/* ==== fonts.css ==== */
/* =========================================================
   FONTS.CSS — Yerelleştirilmiş değişken yazı tipleri
   Google Fonts'a giden render engelleyici istek kaldırıldı.
   Tek dosya tüm ağırlıkları taşır (variable font); Türkçe
   karakterler latin-ext alt kümesinde. Otomatik üretildi.
   ========================================================= */

@font-face{
  font-family:'Inter';
  font-style:normal;
  font-weight:400 700;
  font-display:swap;
  src:url('../fonts/Inter-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family:'Inter';
  font-style:normal;
  font-weight:400 700;
  font-display:swap;
  src:url('../fonts/Inter-latinext.woff2') format('woff2');
  unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family:'Plus Jakarta Sans';
  font-style:normal;
  font-weight:600 800;
  font-display:swap;
  src:url('../fonts/PlusJakartaSans-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family:'Plus Jakarta Sans';
  font-style:normal;
  font-weight:600 800;
  font-display:swap;
  src:url('../fonts/PlusJakartaSans-latinext.woff2') format('woff2');
  unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ==== base.css ==== */
/* =========================================================
   BASE.CSS — Dağcı Mühendislik
   Tasarım tokenları, reset ve tüm şablonlarda paylaşılan
   bileşenler (buton, kart, chip, içerik bölümü, info-box).
   Her sayfada yüklenir.
   ========================================================= */

:root{
  /* Logo paletinden: mavi tonlar + gri metin skalası */
  --bg:#F4FBFA;
  --surface:#FFFFFF;
  --surface-alt:#CCF0FD;
  --text:#59595A;
  --text-muted:#8D8E8F;
  --border:#D5D6D6;
  --ink:#59595A;
  --blue:#29A4E0;
  --accent:#5CB1D4;
  --accent-soft:#A7CEE3;
  --accent-dark:#238BBE;
  --on-accent:#FFFFFF;
  --on-ink-muted:#A7CEE3;
  --on-ink-bright:#CCF0FD;
  --accent-soft-deep:color-mix(in srgb,var(--accent-soft) 45%,var(--accent) 55%);
  --shadow:rgba(89,89,90,0.14);
  --logo-plate: transparent;
  --gradient-brand:linear-gradient(135deg,#29A4E0 0%,#238BBE 50%,var(--accent-soft-deep) 100%);
  --gradient-brand-soft:linear-gradient(135deg,#CCF0FD 0%,#A7CEE3 100%);
  --gradient-ink:linear-gradient(150deg,var(--ink) 0%,color-mix(in srgb,var(--ink) 65%,var(--blue) 35%) 100%);
  --gradient-topbar:linear-gradient(115deg,color-mix(in srgb,var(--ink) 38%,var(--accent-dark) 62%) 0%,color-mix(in srgb,var(--ink) 30%,var(--blue) 70%) 50%,color-mix(in srgb,var(--ink) 38%,var(--accent-dark) 62%) 100%);
  --gradient-bar:linear-gradient(90deg,#238BBE,#29A4E0,var(--accent-soft-deep));
  --gradient-bg:radial-gradient(1200px 480px at 12% -10%,rgba(204,240,253,.5) 0%,rgba(204,240,253,0) 60%),radial-gradient(900px 420px at 100% 0%,rgba(167,206,227,.38) 0%,rgba(167,206,227,0) 55%),#F4FBFA;
  --shadow-lift:0 20px 44px -18px rgba(89,89,90,.28);
  --font-display:"Plus Jakarta Sans","Segoe UI",system-ui,sans-serif;
  --font-body:"Inter","Segoe UI",system-ui,sans-serif;
  --font-mono:Consolas,"SF Mono",monospace;
}

/* ---------- Reset ---------- */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--gradient-bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
img{max-width:100%;display:block;}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
}

/* ---------- Breadcrumb (varsayılan açık hâl) ----------
   Her sayfa tipinde gerekli olduğu için base'te durur. Koyu hero kullanan
   sayfa tipleri (blog, hizmetler, kurumsal) kendi CSS'inde üzerine yazar;
   paket sırası base → sayfa CSS'i olduğu için geçersiz kılma çalışır. */
.breadcrumb{background:linear-gradient(180deg,var(--surface-alt),var(--surface));border-bottom:1px solid var(--border);}
.breadcrumb-inner{
  max-width:1360px;margin:0 auto;padding:13px 24px;
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
  font-size:13px;color:var(--text-muted);
}
.breadcrumb-inner a:hover{color:var(--blue);}
.breadcrumb-inner .sep{opacity:.6;}
.breadcrumb-inner .current{color:var(--text);font-weight:600;}

/* ---------- Sayfa üst alanı (hero) ---------- */
.page-hero{
  max-width:1360px;margin:0 auto;padding:52px 24px 44px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
}
.page-hero.no-media{grid-template-columns:1fr;max-width:820px;text-align:left;}
.page-hero-eyebrow{font-family:var(--font-display);font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-dark);margin:0 0 12px;}
.page-hero h1{font-family:var(--font-display);font-size:clamp(26px,3.2vw,38px);line-height:1.16;margin:0 0 14px;color:var(--ink);text-wrap:balance;}
.page-hero p{font-size:16px;line-height:1.7;color:var(--text-muted);max-width:60ch;margin:0;}
.page-hero-media{
  background:var(--gradient-brand);
  border-radius:18px;min-height:200px;display:flex;align-items:center;justify-content:center;color:#fff;
}
.page-hero-media svg{width:64px;height:64px;opacity:.9;}
@media (max-width: 900px){
  .page-hero{grid-template-columns:1fr;}
  .page-hero-media{display:none;}
}

/* ---------- Kaydırınca beliren bölümler (scroll-reveal) ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------- Gradyan metin vurgusu ---------- */
.text-gradient{
  background:var(--gradient-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- Primary button (site-wide) ---------- */
.cta-button{
  background:var(--gradient-brand);
  color:#fff;font-family:var(--font-display);
  font-weight:700;font-size:14px;letter-spacing:.02em;
  padding:12px 24px;border-radius:9px;white-space:nowrap;
  box-shadow:0 2px 10px rgba(41,164,224,.28);
  transition:box-shadow .2s ease, transform .15s ease, filter .15s ease;
}
.cta-button:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(41,164,224,.38);filter:brightness(1.03);}
.cta-button:active{transform:translateY(0);box-shadow:0 4px 12px rgba(41,164,224,.3);}

/* ---------- Prose / content sections ---------- */
.content-section{max-width:1360px;margin:0 auto;padding:8px 24px 64px;}
.content-section.narrow{max-width:820px;}
.content-section h2{
  position:relative;padding-left:18px;
  font-family:var(--font-display);font-size:24px;color:var(--ink);margin:40px 0 16px;text-wrap:balance;
}
.content-section h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--gradient-bar);
}
.content-section h2:first-child{margin-top:0;}
.content-section h3{font-family:var(--font-display);font-size:17px;color:var(--text);margin:26px 0 10px;}
.content-section p{font-size:15.5px;line-height:1.75;color:var(--text-muted);max-width:70ch;margin:0 0 16px;}
.content-section ul.check-list{max-width:70ch;margin:0 0 20px;display:flex;flex-direction:column;gap:10px;}
.content-section ul.check-list li{
  display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text);line-height:1.5;
}
.content-section ul.check-list li svg{flex:0 0 auto;margin-top:3px;color:var(--accent-dark);}

/* ---------- Info / focus boxes ---------- */
.info-box{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-left:none;
  border-radius:10px;padding:20px 22px;margin:24px 0;max-width:70ch;
}
.info-box::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--blue),var(--accent-soft));}
.info-box h4{font-family:var(--font-display);font-size:13.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-dark);margin:0 0 8px;}
.info-box p{margin:0;font-size:14.5px;}

/* ---------- Card grids (listing pages) ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.card-grid.cols-2{grid-template-columns:repeat(2,1fr);}
.card-grid.cols-3{grid-template-columns:repeat(3,1fr);}
.list-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px;
  display:flex;flex-direction:column;gap:12px;transition:border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.list-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-bar);opacity:0;transition:opacity .2s ease;}
.list-card:hover{border-color:var(--accent);box-shadow:0 12px 28px var(--shadow);transform:translateY(-2px);}
.list-card:hover::before{opacity:1;}
.list-card.compact::before{display:none;}
.list-card .icon{width:40px;height:40px;border-radius:10px;background:var(--gradient-brand-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;}
.list-card h3{font-family:var(--font-display);font-size:16px;margin:0;color:var(--text);}
.list-card p{font-size:13.8px;color:var(--text-muted);line-height:1.55;margin:0;flex:1 1 auto;}
.list-card .card-link{font-size:13.5px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:6px;}
.list-card:hover .card-link{color:var(--accent-dark);}
.list-card.compact{padding:18px;flex-direction:row;align-items:center;gap:14px;}
.list-card.compact h3{font-size:14.5px;}

.section-kicker{
  display:block;font-family:var(--font-display);font-size:12px;font-weight:800;
  letter-spacing:.11em;text-transform:uppercase;color:var(--blue);margin:0 0 10px;
}
.section-divider{
  position:relative;max-width:1360px;margin:8px auto;padding:0 24px;
}
.section-divider hr{
  border:0;height:1px;background:linear-gradient(90deg,transparent,var(--border) 20%,var(--border) 80%,transparent);margin:0;
}
.section-divider-mark{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:36px;height:36px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--blue);
  box-shadow:0 6px 16px var(--shadow);
}
.group-heading{display:flex;align-items:center;gap:12px;margin:44px 0 20px;}
.group-heading:first-of-type{margin-top:0;}
.group-heading .icon{display:none;}
.group-heading h2{margin:0;font-family:var(--font-display);font-size:19px;color:var(--ink);position:relative;padding-left:16px;}
.group-heading h2::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:2px;background:var(--gradient-bar);}

/* ---------- Görsel yer tutucu (istiflenmiş kart) ---------- */
.media-stack{position:relative;}
.media-stack::before{
  content:"";position:absolute;inset:0;z-index:0;border-radius:20px;
  background:var(--gradient-brand-soft);
  transform:translate(18px,20px) rotate(-3deg);
}
.media-stack::after{
  content:"";position:absolute;inset:0;z-index:0;border-radius:20px;
  border:1.5px solid var(--accent-soft);
  transform:translate(-14px,14px) rotate(2.5deg);
  opacity:.7;
}
.media-placeholder{
  position:relative;z-index:1;overflow:hidden;min-height:320px;border-radius:20px;
  background:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(155deg,var(--accent-dark) 0%,var(--blue) 55%,var(--accent-dark) 100%);
  background-size:30px 30px,30px 30px,auto;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:#fff;text-align:center;padding:32px;
  box-shadow:var(--shadow-lift);
  transition:transform .35s cubic-bezier(.16,1,.3,1);
}
.media-stack:hover .media-placeholder{transform:translateY(-4px) rotate(-.6deg);}
.mp-corner{position:absolute;width:28px;height:28px;border-color:rgba(255,255,255,.55);}
.mp-corner.tl{top:18px;left:18px;border-top:2px solid;border-left:2px solid;border-radius:6px 0 0 0;}
.mp-corner.br{bottom:18px;right:18px;border-bottom:2px solid;border-right:2px solid;border-radius:0 0 6px 0;}
.mp-badge{
  position:relative;z-index:1;width:60px;height:60px;border-radius:50%;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
}
.media-placeholder strong{position:relative;z-index:1;font-family:var(--font-display);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;}
.mp-sub{position:relative;z-index:1;font-size:12.5px;color:rgba(255,255,255,.75);max-width:26ch;}

/* ---------- Aynı çerçevenin gerçek fotoğraflı hâli ----------
   Yer tutucu işaretleri (köşe, ikon, "Görsel Gelecek") gizlenir; fotoğraf
   çerçeveyi doldurur, altına projeyi söyleyen cam künye gelir. */
.media-placeholder.has-photo{
  padding:0;background:none;aspect-ratio:4/3;min-height:0;
  align-items:stretch;justify-content:stretch;
}
.media-placeholder.has-photo > .mp-corner,
.media-placeholder.has-photo > .mp-badge,
.media-placeholder.has-photo > strong,
.media-placeholder.has-photo > .mp-sub{display:none;}
.media-placeholder.has-photo img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:grayscale(.34) contrast(1.04);
  transition:filter .55s ease,transform .9s cubic-bezier(.16,1,.3,1);
}
.media-stack:hover .media-placeholder.has-photo img{filter:none;transform:scale(1.045);}
.mp-caption{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;overflow:hidden;
  padding:13px 16px;border-radius:14px;text-align:left;
  background:linear-gradient(180deg,rgba(13,44,63,.72),rgba(8,29,43,.94));
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(204,240,253,.16);
  font-family:var(--font-display);font-size:12.6px;font-weight:600;line-height:1.5;
  color:#fff;
}
.mp-caption::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--gradient-bar);opacity:.85;
}
.mp-caption em{display:block;font-style:normal;font-weight:500;font-size:11.6px;color:var(--on-ink-muted);margin-top:3px;}
@media (prefers-reduced-motion: reduce){
  .media-placeholder.has-photo img{transition:none;}
}
@media (max-width: 900px){
  .media-placeholder{min-height:200px;}
  .media-stack::before{transform:translate(10px,12px) rotate(-2deg);}
  .media-stack::after{transform:translate(-8px,8px) rotate(1.5deg);}
}

/* ---------- Solu-sağlı bölüm (metin + görsel yer tutucu) ---------- */
.split-section{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
@media (max-width: 900px){
  .split-section{grid-template-columns:1fr;gap:28px;}
}

/* ---------- Hayalet numara (editoryal vurgu) ---------- */
.split-text{position:relative;}
.ghost-num{position:relative;}
.ghost-num::before{
  content:attr(data-ghost);position:absolute;top:-54px;left:-6px;z-index:-1;
  font-family:var(--font-display);font-size:168px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--accent-soft);opacity:.35;
}
@media (max-width: 900px){
  .ghost-num::before{font-size:100px;top:-32px;}
}
@media (max-width: 560px){
  .ghost-num::before{display:none;}
}

/* ---------- Related chips ---------- */
.related-links{max-width:1360px;margin:0 auto;padding:0 24px 8px;}
.related-links h2{font-family:var(--font-display);font-size:16px;color:var(--ink);margin:0 0 14px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;padding:9px 16px;border-radius:999px;
  border:1px solid var(--border);background:var(--surface);font-size:13.5px;color:var(--text);
  transition:border-color .15s ease, color .15s ease;
}
.chip:hover{border-color:var(--blue);color:var(--blue);}
.chip.is-current{background:var(--gradient-brand);border-color:transparent;color:#fff;}

@media (max-width: 900px){
  .card-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width: 560px){
  .card-grid{grid-template-columns:1fr;}
}

/* ==== header.css ==== */
/* =========================================================
   HEADER.CSS — Dağcı Mühendislik
   Topbar, sticky header, ana navigasyon, mega menü,
   dropdown paneller ve mobil çekmece menüsü.
   Her sayfada yüklenir (includes/topbar.php + includes/header.php).
   ========================================================= */

/* ---------- Topbar (normal akış, sayfayla birlikte kaydırılır) ---------- */
.topbar{
  background:var(--gradient-topbar);color:var(--on-ink-muted);position:relative;overflow:hidden;
}
.topbar::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:12px 12px;
}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(167,206,227,0),rgba(167,206,227,.4) 50%,rgba(167,206,227,0));}
.topbar-inner{
  position:relative;
  max-width:1360px;margin:0 auto;padding:0 24px;
  height:38px;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;letter-spacing:.01em;gap:20px;
}
.topbar-left{display:flex;align-items:center;min-width:0;overflow:hidden;}
.topbar-tag{display:flex;align-items:center;gap:8px;white-space:nowrap;color:var(--on-ink-muted);opacity:.95;overflow:hidden;text-overflow:ellipsis;}
.topbar-tag svg{flex:0 0 auto;color:var(--on-ink-bright);}
.topbar-right{display:flex;align-items:center;gap:18px;min-width:0;flex:0 0 auto;}
.topbar-link{display:flex;align-items:center;gap:7px;white-space:nowrap;color:var(--on-ink-muted);transition:color .15s ease;}
.topbar-link:hover{color:#fff;}
.topbar-link svg{flex:0 0 auto;opacity:.8;}
.topbar-email-group{display:flex;align-items:center;gap:10px;white-space:nowrap;}
.topbar-sep{color:rgba(167,206,227,.4);}
@media (max-width: 900px){
  .topbar-tag{display:none;}
}
@media (max-width: 760px){
  .topbar-email-group .topbar-link:last-child,.topbar-sep{display:none;}
}
@media (max-width: 620px){
  .topbar{display:none;}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.95);
  box-shadow:0 14px 32px var(--shadow);
}
.header-inner{
  max-width:1360px;margin:0 auto;padding:0 24px;
  height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;column-gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:6px 8px;margin:-6px -8px;border-radius:8px;background:var(--logo-plate);}
.logo img{height:36px;width:auto;}

.main-nav{min-width:0;}
.nav-list{display:flex;align-items:stretch;justify-content:center;gap:6px;}
.nav-list > li{position:static;display:flex;}
.nav-link,.nav-trigger{
  display:flex;align-items:center;gap:6px;
  height:76px;padding:0 14px;
  font-family:var(--font-display);
  font-size:15px;font-weight:600;letter-spacing:0;
  color:var(--text);white-space:nowrap;
  transition:color .15s ease;
}
.nav-link:hover,.nav-trigger:hover{color:var(--blue);}
li.is-open > .nav-trigger{color:var(--blue);}
.nav-trigger .caret{width:8px;height:8px;flex:0 0 auto;opacity:.5;transition:transform .18s ease, opacity .18s ease;}
.nav-trigger:hover .caret{opacity:.9;}
li.is-open > .nav-trigger .caret{transform:rotate(180deg);opacity:1;}

/* simple dropdown panels */
.dropdown{
  position:absolute;top:76px;left:0;overflow:hidden;
  min-width:320px;background:var(--surface);
  border:1px solid var(--border);border-top:none;
  border-radius:0 0 14px 14px;
  box-shadow:0 1px 2px rgba(89,89,90,.06),0 24px 48px -12px rgba(89,89,90,.28);
  padding:8px 10px 10px;opacity:0;visibility:hidden;
  transform:translateY(-8px) scale(.98);transform-origin:top left;
  transition:opacity .2s cubic-bezier(.16,1,.3,1), transform .2s cubic-bezier(.16,1,.3,1), visibility .2s;
}
.dropdown::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent-dark),var(--blue));}
.dropdown.has-promo{display:flex;align-items:stretch;gap:18px;min-width:600px;padding:16px 16px 16px 10px;}
.dropdown.has-promo .dropdown-main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.dropdown.has-promo .mega-promo{flex:0 0 230px;}
@media (max-width: 1100px){
  .dropdown.has-promo{min-width:320px;}
  .dropdown.has-promo .mega-promo{display:none;}
}
.dropdown .mega-col-head{padding:8px 4px 10px;margin-bottom:4px;}
li.has-dropdown{position:relative;}
li.is-open .dropdown{opacity:1;visibility:visible;transform:translateY(0) scale(1);}
.dropdown a{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px 11px 16px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--text);
  transition:background .15s ease, color .15s ease, padding-left .15s ease;
}
.dropdown a svg{display:none;}
.dropdown a span{flex:1 1 auto;}
.dropdown a::before{
  content:"";position:absolute;left:3px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--gradient-bar);
  transition:height .18s ease;
}
.dropdown a::after{
  content:"→";opacity:0;transform:translateX(-4px);color:var(--blue);font-size:12px;flex:0 0 auto;
  transition:opacity .15s ease, transform .15s ease;
}
.dropdown a:hover{background:var(--surface-alt);color:var(--blue);padding-left:18px;}
.dropdown a:hover::before{height:55%;}
.dropdown a:hover::after{opacity:1;transform:translateX(0);}
.dropdown .mega-foot{margin-top:8px;padding:10px 4px 2px;}

/* mega menu */
.mega{
  position:fixed;top:76px;left:0;right:0;
  max-height:calc(100vh - 76px);overflow-y:auto;overflow-x:hidden;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 2px rgba(89,89,90,.06),0 28px 56px -16px rgba(89,89,90,.28);
  opacity:0;visibility:hidden;
  transform:translateY(-10px) scale(.985);transform-origin:top center;
  transition:opacity .26s cubic-bezier(.16,1,.3,1), transform .26s cubic-bezier(.16,1,.3,1), visibility .26s;
}
.mega::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent-dark),var(--blue));}
li.is-open .mega{opacity:1;visibility:visible;transform:translateY(0) scale(1);}
.mega-inner{max-width:1360px;margin:0 auto;padding:24px 24px 18px;}
.mega-layout{display:flex;gap:32px;align-items:flex-start;}
.mega-grid{
  flex:1 1 auto;min-width:0;display:grid;grid-template-columns:1.7fr 1fr;gap:0 32px;
  opacity:0;transform:translateY(8px);
  transition:opacity .28s ease .04s, transform .28s ease .04s;
}
li.is-open .mega-grid{opacity:1;transform:translateY(0);}
.mega-col{min-width:0;}
.mega-col-wide{
  background:var(--bg);border:1px solid var(--border);border-radius:16px;
  padding:18px 20px;
}
.mega-col-split{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;}
.mega-col-head{display:flex;align-items:center;gap:8px;padding-bottom:10px;margin-bottom:4px;border-bottom:1px solid var(--border);}
.mega-col-wide > .mega-col-head{border-bottom-color:rgba(41,164,224,.25);}
.mega-col-head-spaced{margin-top:14px;}
.mega-col-head .icon{display:none;}
.mega-col-head h3{margin:0;font-family:var(--font-display);font-size:10.5px;font-weight:700;color:var(--blue);letter-spacing:.06em;text-transform:uppercase;line-height:1.3;}
.mega-col ul li a{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:6px;
  padding:7px 8px 7px 14px;border-radius:7px;
  font-size:13.4px;color:var(--text-muted);line-height:1.35;
  transition:background .15s ease, color .15s ease, padding-left .15s ease;
}
.mega-col ul li a::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--gradient-bar);
  transition:height .18s ease;
}
.mega-col ul li a::after{
  content:"→";opacity:0;transform:translateX(-4px);color:var(--blue);font-size:12px;flex:0 0 auto;
  transition:opacity .15s ease, transform .15s ease;
}
.mega-col ul li a:hover{background:var(--surface-alt);color:var(--blue);padding-left:16px;}
.mega-col-wide ul li a:hover{background:var(--surface);box-shadow:0 1px 2px rgba(89,89,90,.05);}
.mega-col ul li a:hover::before{height:60%;}
.mega-col ul li a:hover::after{opacity:1;transform:translateX(0);}
.mega-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;padding-top:14px;border-top:1px solid var(--border);
}
.mega-foot p{margin:0;font-size:13.5px;color:var(--text-muted);}
.mega-foot .link-arrow{font-weight:700;color:var(--blue);font-size:13.5px;display:inline-flex;align-items:center;gap:6px;}
.mega-foot .link-arrow:hover{color:var(--accent-dark);}

/* mega promo panel */
.mega-promo{
  flex:0 0 268px;background:var(--bg);border:1px solid var(--border);border-radius:14px;
  padding:22px;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;
  opacity:0;transform:translateY(8px);
  transition:opacity .3s ease .08s, transform .3s ease .08s;
}
li.is-open .mega-promo{opacity:1;transform:translateY(0);}
.mega-promo::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent-dark),var(--blue));}
.mega-promo-badge{display:flex;align-items:center;gap:12px;}
.badge-ring{
  width:44px;height:44px;border-radius:999px;flex:0 0 auto;
  border:2px solid var(--blue);color:var(--blue);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;font-size:13px;
}
.mega-promo-badge strong{display:block;font-size:12px;font-weight:700;color:var(--text);line-height:1.3;}
.mega-promo-badge small{display:block;font-size:11px;color:var(--text-muted);}
.mega-promo h4{margin:0;font-family:var(--font-display);font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.32;}
.mega-promo p{margin:0;font-size:12.5px;color:var(--text-muted);line-height:1.55;}
.mega-promo .link-arrow{font-size:13px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:6px;}
.mega-promo .link-arrow:hover{color:var(--accent-dark);}
@media (max-width: 1100px){
  .mega-promo{display:none;}
}

/* actions */
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.contact-box{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--blue);color:#fff;
  font-family:var(--font-display);font-weight:700;font-size:14.5px;
  padding:11px 20px;border-radius:10px;white-space:nowrap;
  box-shadow:0 2px 8px rgba(41,164,224,.22);
  transition:background .15s ease, transform .15s ease, box-shadow .2s ease;
}
.contact-box svg{flex:0 0 auto;transition:transform .15s ease;}
.contact-box:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(41,164,224,.32);}
.contact-box:hover svg{transform:translateX(3px);}

/* drawer'daki telefon kutusu (yalnızca mobil çekmecede kullanılır) */
.phone-link{
  display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text);font-weight:600;
  padding:9px 16px;border-radius:9px;border:1.5px solid var(--border);
  transition:border-color .15s ease, background .15s ease;
}
.phone-link:hover{border-color:var(--blue);background:var(--surface-alt);}
.phone-link .ic{display:none;}
.phone-link small{display:block;font-weight:600;color:var(--text-muted);font-size:10px;text-transform:uppercase;letter-spacing:.05em;}
.phone-link span{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;}
.drawer-foot .cta-button{background:var(--blue);box-shadow:none;}
.drawer-foot .cta-button:hover{background:var(--accent-dark);transform:none;box-shadow:none;filter:none;}

.hamburger{display:none;width:44px;height:44px;border-radius:9px;align-items:center;justify-content:center;flex:0 0 auto;}
.hamburger:hover{background:var(--surface-alt);}
.hamburger .bars{width:20px;height:14px;position:relative;}
.hamburger .bars span{position:absolute;left:0;right:0;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease, opacity .2s ease, top .2s ease;}
.hamburger .bars span:nth-child(1){top:0;}
.hamburger .bars span:nth-child(2){top:6px;}
.hamburger .bars span:nth-child(3){top:12px;}
.hamburger.is-active .bars span:nth-child(1){top:6px;transform:rotate(45deg);}
.hamburger.is-active .bars span:nth-child(2){opacity:0;}
.hamburger.is-active .bars span:nth-child(3){top:6px;transform:rotate(-45deg);}

/* ---------- Tablet / geçiş aralığı ---------- */
@media (max-width: 1240px){
  .nav-link,.nav-trigger{padding:0 10px;font-size:14px;}
  .header-inner{column-gap:10px;}
}

/* ---------- Mobile ---------- */
@media (max-width: 980px){
  .main-nav{display:none;}
  .hamburger{display:flex;}
  /* Masaüstünde ızgara 3 sütunlu: logo | nav | eylemler. Mobilde nav
     gizlenince ızgarada 2 öğe kalıyor ve eylemler 3. sütun yerine ortadaki
     1fr sütununa düşüp genişliyordu; hamburger de sağ kenara değil ortalara
     yakın duruyordu. Mobilde ızgara 2 sütuna indirilip eylemler sağa yaslanır. */
  .header-inner{gap:14px;padding:0 18px;grid-template-columns:auto 1fr;}
  .header-actions{justify-content:flex-end;}
  .contact-box{padding:9px 14px;font-size:13px;}
}

@media (max-width: 400px){
  .header-inner{gap:8px;padding:0 12px;}
  .logo img{height:30px;}
  .contact-box{padding:8px 11px;font-size:12px;gap:6px;}
  .contact-box svg{width:12px;height:12px;}
  .hamburger{width:40px;height:40px;}
}

.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(380px,88vw);
  background:radial-gradient(640px 420px at 100% 0%,rgba(204,240,253,.5) 0%,rgba(204,240,253,0) 55%) var(--surface);
  border-left:1px solid var(--border);
  box-shadow:-16px 0 32px var(--shadow);
  transform:translateX(100%);transition:transform .3s cubic-bezier(.16,1,.3,1);
  z-index:150;padding:0;
  display:flex;flex-direction:column;overflow:hidden;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  flex:0 0 auto;position:relative;display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-bottom:1px solid var(--border);
}
.drawer-head::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--gradient-bar);}
.drawer-head .logo img{height:28px;}
.drawer-close{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;transition:background .15s ease;}
.drawer-close:hover{background:var(--surface-alt);}
.drawer-scrim{
  position:fixed;inset:0;background:rgba(89,89,90,.45);
  opacity:0;visibility:hidden;transition:opacity .2s ease, visibility .2s;z-index:140;
}
.drawer-scrim.is-open{opacity:1;visibility:visible;}

/* ekran kaydırmalı (drill-down) mobil menü */
.drawer-screens{flex:1 1 auto;position:relative;overflow:hidden;}
.drawer-screen{
  position:absolute;inset:0;overflow-y:auto;-webkit-overflow-scrolling:touch;
  padding:6px 10px 20px;
  transform:translateX(100%);
  transition:transform .32s cubic-bezier(.16,1,.3,1);
}
.drawer-screen.is-active{transform:translateX(0);}
.drawer-screen.is-left{transform:translateX(-100%);}

.drawer-link{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:13px 10px 13px 18px;font-family:var(--font-display);font-weight:700;font-size:14.5px;color:var(--text);
  border-bottom:1px solid var(--border);border-radius:10px;
  transition:color .15s ease, background .15s ease, padding-left .15s ease;
}
.drawer-link::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--gradient-bar);
  transition:height .18s ease;
}
.drawer-link:last-child{border-bottom:0;}
.drawer-link:hover{color:var(--blue);background:var(--surface-alt);padding-left:21px;}
.drawer-link:hover::before{height:50%;}
.drawer-link-main{display:flex;align-items:center;gap:12px;}
.drawer-link-icon{display:none;}
.drawer-link-chevron{flex:0 0 auto;color:var(--text-muted);opacity:.6;transition:transform .15s ease, color .15s ease;}
.drawer-link:hover .drawer-link-chevron{transform:translateX(2px);color:var(--blue);opacity:1;}

.drawer-screen-head{
  position:sticky;top:0;z-index:2;width:100%;position:relative;
  display:flex;align-items:center;gap:8px;
  padding:12px;margin:-6px -10px 10px;
  background:var(--surface);border-bottom:1px solid var(--border);
  font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--text);
  transition:color .15s ease;
}
.drawer-screen-head::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--gradient-bar);}
.drawer-screen-head svg{flex:0 0 auto;color:var(--blue);transition:transform .15s ease;}
.drawer-screen-head:hover{color:var(--blue);}
.drawer-screen-head:hover svg{transform:translateX(-2px);}

.drawer-screen-body{padding-top:2px;}
.drawer-sub-link{
  position:relative;display:block;padding:10px 12px 10px 16px;font-size:14.5px;color:var(--text-muted);border-radius:8px;
  transition:background .15s ease, color .15s ease, padding-left .15s ease;
}
.drawer-sub-link::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--gradient-bar);
  transition:height .18s ease;
}
.drawer-sub-link:hover{background:var(--surface-alt);color:var(--blue);padding-left:19px;}
.drawer-sub-link:hover::before{height:55%;}
.drawer-screen-body .sub-head{
  display:flex;align-items:center;gap:7px;
  padding:16px 12px 6px;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-dark);font-weight:700;
}
.drawer-screen-body .sub-head::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gradient-bar);flex:0 0 auto;}
.drawer-screen-body .sub-head:first-child{padding-top:4px;}

.drawer-foot{
  flex:0 0 auto;position:relative;display:flex;flex-direction:column;gap:10px;
  padding:16px 16px 14px;border-top:1px solid var(--border);
}
.drawer-foot::before{content:"";position:absolute;left:0;right:0;top:-1px;height:2px;background:var(--gradient-bar);}
.drawer-foot .phone-link{display:flex;}
.drawer-foot .cta-button{text-align:center;}

/* ==== inner.css ==== */
/* =========================================================
   INNER.CSS — Dağcı Mühendislik
   Kurumsal, Hizmetlerimiz, Sektörel Çözümler, Projelerimiz,
   Referanslarımız ve Bilgi Merkezi sayfalarının ortak
   breadcrumb + sayfa üst alanı (page-hero) stilleri.
   (Kart, chip, içerik bölümü stilleri base.css içindedir.)
   ========================================================= */

/* Breadcrumb ve page-hero'nun varsayılan (açık) hâli artık base.css'te —
   her sayfa tipi yükler. Buradaki kopya kaldırıldı; blog/hizmetler/kurumsal
   kendi koyu varyantlarını base'in üzerine yazmaya devam ediyor. */

/* ---------- Galeri kartı: gerçek proje fotoğrafları için hazır yer tutucu ---------- */
.gallery-card{
  display:block;color:inherit;
  border:1px solid var(--border);border-radius:16px;overflow:hidden;background:var(--surface);
  transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s ease,border-color .2s ease;
}
.gallery-card:hover{transform:translateY(-5px);box-shadow:0 22px 44px -16px var(--shadow);border-color:var(--accent);}
.gallery-card-media{
  position:relative;overflow:hidden;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
  background:
    linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px),
    var(--gradient-brand-soft);
  background-size:22px 22px,22px 22px,100% 100%;
  color:var(--blue);
}
.gallery-card-media::after{
  content:"";position:absolute;inset:-60% -20%;z-index:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 40%,rgba(255,255,255,.5) 50%,transparent 60%);
  transform:translateX(-120%);transition:transform .7s cubic-bezier(.16,1,.3,1);
}
.gallery-card:hover .gallery-card-media::after{transform:translateX(30%);}
.gallery-card-media svg{position:relative;z-index:1;width:38px;height:38px;opacity:.85;transition:transform .35s cubic-bezier(.16,1,.3,1);}
.gallery-card:hover .gallery-card-media svg{transform:scale(1.1) rotate(-4deg);}
.gallery-card-badge{
  position:absolute;top:12px;right:12px;z-index:1;padding:5px 12px;border-radius:999px;
  background:rgba(24,34,48,.62);backdrop-filter:blur(4px);color:#fff;
  font-family:var(--font-display);font-size:11px;font-weight:700;letter-spacing:.03em;
}
/* Galeri kartının gerçek fotoğraflı hâli: ikon gider, fotoğraf kadrajı doldurur */
.gallery-card-media.has-photo{background:none;}
.gallery-card-media.has-photo > svg{display:none;}
.gallery-card-media.has-photo img{
  position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover;
  filter:grayscale(.4) contrast(1.05);
  transition:filter .55s ease,transform .9s cubic-bezier(.16,1,.3,1);
}
.gallery-card-media.has-photo::after{z-index:2;}
.gallery-card:hover .gallery-card-media.has-photo img{filter:none;transform:scale(1.055);}
.gallery-card-media.has-photo .gallery-card-badge{z-index:3;background:rgba(9,30,44,.72);}
@media (prefers-reduced-motion: reduce){
  .gallery-card-media.has-photo img{transition:none;}
}

.gallery-card-body{padding:18px 20px 20px;}
.gallery-card-body h3{font-family:var(--font-display);font-size:16px;margin:0 0 8px;color:var(--text);}
.gallery-card-body p{font-size:13.8px;color:var(--text-muted);line-height:1.6;margin:0 0 12px;}
.gallery-card-body .card-link{font-size:13.5px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,gap .2s ease;}
.gallery-card:hover .gallery-card-body .card-link{color:var(--accent-dark);gap:9px;}
@media (max-width:900px){.card-grid.cols-3{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.card-grid.cols-3{grid-template-columns:1fr;}}
@media (prefers-reduced-motion: reduce){.gallery-card,.gallery-card-media::after,.gallery-card-media svg{transition:none;}}

/* ---------- Yapı tipine göre saha tecrübesi (Çalışma Alanlarımız) ---------- */
.sector-work{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:18px;margin-bottom:28px;}
.sector-work-item{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px 24px 20px;
  display:flex;flex-direction:column;gap:11px;
  transition:border-color .2s ease,box-shadow .25s ease;
}
.sector-work-item::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-bar);}
.sector-work-item:hover{border-color:var(--accent);box-shadow:0 18px 36px -22px var(--shadow);}
.sector-work-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.sector-work-head h3{font-family:var(--font-display);font-size:17.5px;color:var(--ink);margin:0;}
.sector-work-count{font-size:12.4px;color:var(--text-muted);white-space:nowrap;}
.sector-work-count strong{font-family:var(--font-display);color:var(--accent-dark);font-variant-numeric:tabular-nums;}
.sector-work-count .sep{opacity:.5;margin:0 2px;}
.sector-work-item > p{font-size:14.4px;line-height:1.68;color:var(--text-muted);margin:0;max-width:none;}
.sector-work-tags{display:flex;flex-wrap:wrap;gap:6px;}
.sector-work-tag{
  font-family:var(--font-display);font-size:11px;font-weight:600;
  padding:4px 10px;border-radius:7px;
  background:var(--surface-alt);color:var(--accent-dark);
}
.sector-work-projects{
  font-size:13px;line-height:1.7;color:var(--text);margin:0;
  padding-top:12px;border-top:1px dashed var(--border);
}
.sector-work-projects span{
  display:block;font-family:var(--font-display);font-size:11px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:5px;
}
.sector-work-projects em{font-style:normal;color:var(--text-muted);font-size:12.2px;}
.sector-work-item .chip{align-self:flex-start;margin-top:2px;}
@media (max-width:560px){
  .sector-work{grid-template-columns:1fr;}
  .sector-work-item{padding:18px 18px 16px;}
}

/* ---------- Sayfa hero güven şeridi (gerçek verilerle) ---------- */
.page-hero-stats{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;
  font-size:13px;color:var(--text-muted);
}
.page-hero-stats strong{font-family:var(--font-display);color:var(--ink);font-variant-numeric:tabular-nums;}
.page-hero-stats .sep{opacity:.5;}

/* =========================================================
   REFERANSLARIMIZ — koyu hero + sektör filtresi + monogram
   kart duvarı (logo görselleri gelene kadar isim kartları)
   ========================================================= */
.ref-hero{position:relative;overflow:hidden;background:var(--gradient-ink);padding:52px 24px 46px;}
.ref-hero-mesh{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(32% 58% at 14% 18%,rgba(92,177,212,.34),transparent 68%),
    radial-gradient(28% 48% at 88% 84%,rgba(41,164,224,.24),transparent 65%);
  filter:blur(50px);
  animation:ref-mesh-drift 22s ease-in-out infinite alternate;
}
@keyframes ref-mesh-drift{
  0%{transform:translate(0,0) scale(1);}
  100%{transform:translate(-2%,-2%) scale(1.06);}
}
.ref-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:42px 42px;
  -webkit-mask-image:radial-gradient(120% 100% at 50% 0%,#000 40%,transparent 92%);
  mask-image:radial-gradient(120% 100% at 50% 0%,#000 40%,transparent 92%);
}
.ref-hero::after{
  content:"";position:absolute;top:-74px;right:-58px;z-index:1;pointer-events:none;
  width:186px;height:186px;border-radius:50%;
  border:1.5px dashed rgba(255,255,255,.12);
  animation:ref-ring-spin 48s linear infinite;
}
@keyframes ref-ring-spin{to{transform:rotate(360deg);}}
.ref-hero-mountains{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:64px;z-index:1;pointer-events:none;}
.ref-hero-inner{position:relative;z-index:2;max-width:780px;margin:0 auto;text-align:center;}
.ref-hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent-soft);margin:0 0 12px;
}
.ref-hero h1{font-family:var(--font-display);font-size:clamp(27px,3.55vw,39px);line-height:1.16;margin:0 0 12px;color:#fff;text-wrap:balance;}
.ref-hero p{font-size:16px;line-height:1.65;color:rgba(255,255,255,.78);max-width:62ch;margin:0 auto 22px;}
.ref-search{position:relative;max-width:470px;margin:0 auto;}
.ref-search input{
  width:100%;padding:14px 54px 14px 20px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);backdrop-filter:blur(8px);
  font-family:var(--font-body);font-size:14.5px;color:#fff;transition:border-color .2s ease,background .2s ease;
}
.ref-search input::placeholder{color:rgba(255,255,255,.55);}
.ref-search input:focus{outline:none;border-color:var(--accent-soft);background:rgba(255,255,255,.16);}
.ref-search-icon{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:36px;height:36px;border-radius:50%;background:var(--gradient-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;pointer-events:none;
}
.ref-hero-stats{
  display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;
  margin-top:20px;font-size:13px;color:rgba(255,255,255,.68);
}
.ref-hero-stats strong{font-family:var(--font-display);color:#fff;font-variant-numeric:tabular-nums;}
.ref-hero-stats .sep{color:rgba(255,255,255,.25);}
@media (prefers-reduced-motion: reduce){.ref-hero-mesh{animation:none;}.ref-hero::after{animation:none;}}
@media (max-width:900px){.ref-hero{padding:38px 20px 34px;}.ref-hero-mountains{height:42px;}.ref-hero::after{display:none;}}

/* ---------- Sektör tonları ----------
   55 kart ve 9 filtre butonu aynı maviyle tek düze kalmasın diye her sektör,
   markanın soğuk renk ailesinden kendi tonunu taşır. Kart ve filtre butonu
   tonu --ref-tone üzerinden alır; alt tonlar color-mix ile türetilir. */
.ref-card,.ref-filter-btn{--ref-tone:var(--blue);}
.ref-card[data-sector="kamu"],   .ref-filter-btn[data-filter="kamu"]   {--ref-tone:#2E6DA4;} /* lacivert mavi */
.ref-card[data-sector="sanayi"], .ref-filter-btn[data-filter="sanayi"] {--ref-tone:#1E90A8;} /* petrol */
.ref-card[data-sector="insaat"], .ref-filter-btn[data-filter="insaat"] {--ref-tone:#7C86B8;} /* indigo */
.ref-card[data-sector="turizm"], .ref-filter-btn[data-filter="turizm"] {--ref-tone:#17ACB0;} /* turkuaz */
.ref-card[data-sector="gida"],   .ref-filter-btn[data-filter="gida"]   {--ref-tone:#45A575;} /* yeşil */
.ref-card[data-sector="tekstil"],.ref-filter-btn[data-filter="tekstil"]{--ref-tone:#A87FB5;} /* mor */
.ref-card[data-sector="enerji"], .ref-filter-btn[data-filter="enerji"] {--ref-tone:#29A4E0;} /* marka mavisi */
.ref-card[data-sector="hizmet"], .ref-filter-btn[data-filter="hizmet"] {--ref-tone:#5A96AE;} /* çelik mavi */

/* ---------- Sektör filtresi ---------- */
.ref-section{padding-top:34px;}
.ref-filter{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 18px;}
.ref-filter-btn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;
  border:1px solid var(--border);background:var(--surface);
  font-family:var(--font-display);font-weight:600;font-size:13.2px;color:var(--text);
  transition:border-color .2s ease,color .2s ease,background .25s ease,box-shadow .25s ease,transform .18s ease;
}
.ref-filter-btn svg{flex:0 0 auto;color:var(--ref-tone);opacity:.9;transition:color .2s ease,opacity .2s ease;}
.ref-filter-btn em{
  font-style:normal;font-size:11.5px;font-weight:700;font-variant-numeric:tabular-nums;
  padding:2px 7px;border-radius:999px;
  background:color-mix(in srgb,var(--ref-tone) 22%,#fff);
  color:color-mix(in srgb,var(--ref-tone) 88%,#1D2C36);
  transition:background .25s ease,color .25s ease;
}
.ref-filter-btn:hover{border-color:color-mix(in srgb,var(--ref-tone) 58%,var(--border));transform:translateY(-1px);}
.ref-filter-btn.is-active{
  background:linear-gradient(135deg,var(--ref-tone),color-mix(in srgb,var(--ref-tone) 60%,#0D3B52));
  border-color:transparent;color:#fff;
  box-shadow:0 10px 22px color-mix(in srgb,var(--ref-tone) 34%,transparent);
}
.ref-filter-btn.is-active svg{color:#fff;opacity:1;}
.ref-filter-btn.is-active em{background:rgba(255,255,255,.24);color:#fff;}

/* ---------- Araç çubuğu: sayaç, etkin filtreler, sıralama ---------- */
.ref-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:0 0 16px;margin:0 0 22px;border-bottom:1px solid var(--border);
}
.ref-toolbar-count{font-size:13.5px;color:var(--text-muted);}
.ref-toolbar-count strong{font-family:var(--font-display);color:var(--text);font-variant-numeric:tabular-nums;}
.ref-toolbar-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.ref-active-filters{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.ref-active-filters:empty{display:none;}
.ref-active-filter-chip{
  display:inline-flex;align-items:center;gap:7px;padding:5px 6px 5px 12px;border-radius:999px;
  background:var(--surface-alt);color:var(--accent-dark);
  font-family:var(--font-display);font-size:12.2px;font-weight:600;
}
.ref-active-filter-chip button{
  width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.7);
  display:flex;align-items:center;justify-content:center;color:var(--accent-dark);
  transition:background .18s ease,transform .18s ease;
}
.ref-active-filter-chip button:hover{background:#fff;transform:scale(1.1);}
.ref-sort{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);}
.ref-sort select{
  border:1px solid var(--border);border-radius:999px;background:var(--surface);
  padding:8px 32px 8px 14px;font-family:var(--font-display);font-weight:600;font-size:13px;color:var(--text);
  cursor:pointer;transition:border-color .2s ease;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none'><path d='M6 9l6 6 6-6' stroke='%238D8E8F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;background-position:right 12px center;appearance:none;-webkit-appearance:none;
}
.ref-sort select:hover{border-color:var(--accent);}
.ref-sort select:focus{outline:none;border-color:var(--accent-soft);}

/* ---------- Referans kart duvarı ---------- */
.ref-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(262px,1fr));gap:14px;}
.ref-card{
  position:relative;overflow:hidden;
  display:flex;align-items:center;gap:14px;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:15px 16px;
  transition:transform .28s cubic-bezier(.16,1,.3,1),box-shadow .28s ease,border-color .2s ease;
  animation:ref-card-in .55s cubic-bezier(.16,1,.3,1) backwards;
  animation-delay:calc(var(--i,0) * 22ms);
}
@keyframes ref-card-in{from{opacity:0;transform:translateY(14px) scale(.985);}to{opacity:1;transform:none;}}
.ref-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:2;
  background:linear-gradient(90deg,var(--ref-tone),color-mix(in srgb,var(--ref-tone) 40%,#fff));
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s cubic-bezier(.16,1,.3,1);
}
.ref-card::after{
  content:"";position:absolute;inset:-40% -20%;z-index:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 42%,color-mix(in srgb,var(--ref-tone) 11%,transparent) 50%,transparent 58%);
  transform:translateX(-120%);transition:transform .75s cubic-bezier(.16,1,.3,1);
}
.ref-card:hover{
  transform:translateY(-3px);
  border-color:color-mix(in srgb,var(--ref-tone) 58%,var(--border));
  box-shadow:0 18px 34px -18px color-mix(in srgb,var(--ref-tone) 45%,var(--shadow));
}
.ref-card:hover::before{transform:scaleX(1);}
.ref-card:hover::after{transform:translateX(30%);}
.ref-card-mono{
  position:relative;z-index:1;flex:0 0 auto;
  width:46px;height:46px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,color-mix(in srgb,var(--ref-tone) 22%,#fff),color-mix(in srgb,var(--ref-tone) 46%,#fff));
  color:color-mix(in srgb,var(--ref-tone) 88%,#1D2C36);
  font-family:var(--font-display);font-weight:800;font-size:15px;letter-spacing:.01em;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.55);
  transition:background .28s ease,color .28s ease,transform .35s cubic-bezier(.16,1,.3,1),box-shadow .28s ease;
}
.ref-card:hover .ref-card-mono{
  background:linear-gradient(140deg,var(--ref-tone),color-mix(in srgb,var(--ref-tone) 58%,#0D3B52));
  color:#fff;transform:scale(1.06) rotate(-2.5deg);
  box-shadow:0 8px 18px color-mix(in srgb,var(--ref-tone) 38%,transparent);
}
.ref-card-body{position:relative;z-index:1;min-width:0;flex:1 1 auto;}
.ref-card-body h3{
  font-family:var(--font-display);font-size:14.8px;font-weight:700;line-height:1.3;
  color:var(--ink);margin:0 0 5px;overflow-wrap:anywhere;
}
.ref-card-sector{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11.8px;letter-spacing:.01em;font-weight:500;
  color:color-mix(in srgb,var(--ref-tone) 62%,var(--text-muted));
}
.ref-card-sector svg{flex:0 0 auto;color:var(--ref-tone);opacity:1;}
.ref-card-check{
  position:relative;z-index:1;flex:0 0 auto;margin-left:auto;
  width:22px;height:22px;border-radius:50%;
  background:color-mix(in srgb,var(--ref-tone) 16%,#fff);
  color:color-mix(in srgb,var(--ref-tone) 80%,#22323D);
  display:flex;align-items:center;justify-content:center;opacity:.6;
  transition:opacity .25s ease,background .25s ease,color .25s ease;
}
.ref-card:hover .ref-card-check{opacity:1;background:var(--ref-tone);color:#fff;}
.ref-card.is-filtered-out{display:none;}
@media (prefers-reduced-motion: reduce){
  .ref-card{animation:none;}
  .ref-card::after{display:none;}
}
@media (max-width:560px){
  .ref-grid{grid-template-columns:1fr;}
  .ref-toolbar{padding-bottom:14px;margin-bottom:18px;}
  .ref-toolbar-right{width:100%;justify-content:space-between;}
}

.ref-empty{
  display:none;padding:40px 24px;text-align:center;color:var(--text-muted);font-size:14px;
  border:1px dashed var(--border);border-radius:16px;
}
.ref-empty.is-visible{display:block;}

/* ---------- Sayfa sonu: not + davet ---------- */
.ref-outro{padding-top:8px;}
.ref-outro-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;}
.ref-outro-note{margin:0;max-width:none;}
.ref-outro-cta{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px 26px;
}
.ref-outro-cta::before{
  content:"";position:absolute;top:-70px;right:-70px;width:190px;height:190px;border-radius:50%;
  background:var(--gradient-brand-soft);opacity:.45;pointer-events:none;
}
.ref-outro-cta h2{position:relative;padding-left:0;margin:0 0 10px;font-size:20px;}
.ref-outro-cta h2::before{display:none;}
.ref-outro-cta p{position:relative;margin:0 0 18px;font-size:14.5px;}
.ref-outro-actions{position:relative;display:flex;align-items:center;flex-wrap:wrap;gap:12px;}
@media (max-width:900px){
  .ref-outro-grid{grid-template-columns:1fr;gap:20px;}
}

/* ==== projeler.css ==== */
/* =========================================================
   PROJELER.CSS — Tamamlanan Projelerimiz
   inner.css'in üzerine yüklenir (breadcrumb oradan gelir).
   Sinematik hero + yapı tipi tonlu masonry foto duvarı +
   tam ekran görsel önizleme (lightbox).
   ========================================================= */

/* ---------- Yapı tipi tonları ----------
   Tamamı logo paletinin mavi ailesinden. Ayrım renk değiştirerek değil,
   koyuluk basamağıyla kurulur: koyu lacivert-maviden açık göğe 7 kademe. */
.proj-card,.proj-chip,.proj-bar{--proj-tone:var(--blue);}
.proj-card[data-tip="egitim"], .proj-chip[data-filter="egitim"], .proj-bar[data-tip="egitim"] {--proj-tone:#1C5E86;}
.proj-card[data-tip="sanayi"], .proj-chip[data-filter="sanayi"], .proj-bar[data-tip="sanayi"] {--proj-tone:#1E7BA8;}
.proj-card[data-tip="enerji"], .proj-chip[data-filter="enerji"], .proj-bar[data-tip="enerji"] {--proj-tone:#238BBE;}
.proj-card[data-tip="ticari"], .proj-chip[data-filter="ticari"], .proj-bar[data-tip="ticari"] {--proj-tone:#29A4E0;}
.proj-card[data-tip="otel"],   .proj-chip[data-filter="otel"],   .proj-bar[data-tip="otel"]   {--proj-tone:#3FB0DD;}
.proj-card[data-tip="depo"],   .proj-chip[data-filter="depo"],   .proj-bar[data-tip="depo"]   {--proj-tone:#5CB1D4;}
.proj-card[data-tip="saglik"], .proj-chip[data-filter="saglik"], .proj-bar[data-tip="saglik"] {--proj-tone:#7FC3DE;}

/* Kart zemini ve cam panel nötr siyah değil, paletin koyu lacivert-mavi ucu */
.proj-card{
  --proj-deep:#0B2231;
  --proj-deep-soft:rgba(13,44,63,.7);
  --proj-deep-solid:rgba(8,29,43,.95);
}

/* =========================================================
   HERO
   ========================================================= */
.proj-hero{position:relative;overflow:hidden;background:var(--gradient-ink);padding:56px 24px 52px;}
.proj-hero-mesh{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(34% 60% at 16% 16%,rgba(92,177,212,.36),transparent 68%),
    radial-gradient(30% 50% at 86% 82%,rgba(41,164,224,.26),transparent 66%);
  filter:blur(52px);
  animation:proj-mesh-drift 24s ease-in-out infinite alternate;
}
@keyframes proj-mesh-drift{
  0%{transform:translate(0,0) scale(1);}
  100%{transform:translate(2.5%,-2.5%) scale(1.07);}
}
/* teknik çizim dokusu: ince ızgara + kaçış çizgileri */
.proj-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  -webkit-mask-image:radial-gradient(130% 105% at 50% 0%,#000 38%,transparent 92%);
  mask-image:radial-gradient(130% 105% at 50% 0%,#000 38%,transparent 92%);
}
.proj-hero-blueprint{
  position:absolute;right:-40px;top:-30px;z-index:1;width:420px;height:420px;
  color:rgba(255,255,255,.09);pointer-events:none;
  animation:proj-blueprint-spin 90s linear infinite;
}
@keyframes proj-blueprint-spin{to{transform:rotate(360deg);}}
.proj-hero-mountains{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:66px;z-index:1;pointer-events:none;}
.proj-hero-inner{position:relative;z-index:2;max-width:1360px;margin:0 auto;}
.proj-hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent-soft);margin:0 0 12px;
}
.proj-hero h1{
  font-family:var(--font-display);font-size:clamp(28px,3.8vw,44px);line-height:1.12;
  margin:0 0 14px;color:#fff;text-wrap:balance;max-width:22ch;
}
.proj-hero-lead{font-size:16px;line-height:1.68;color:rgba(255,255,255,.78);max-width:62ch;margin:0 0 26px;}

/* Hero istatistik kutuları */
.proj-hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:880px;}
.proj-stat{
  position:relative;overflow:hidden;
  border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:16px 18px;
  background:rgba(255,255,255,.07);backdrop-filter:blur(10px);
}
.proj-stat::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--accent-soft),transparent);
}
.proj-stat strong{
  display:block;font-family:var(--font-display);font-size:26px;font-weight:800;line-height:1.1;
  color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.proj-stat span{display:block;margin-top:5px;font-size:12.3px;color:rgba(255,255,255,.66);line-height:1.35;}
@media (max-width:900px){
  .proj-hero{padding:40px 20px 40px;}
  .proj-hero-blueprint{display:none;}
  .proj-hero-mountains{height:44px;}
  .proj-hero-stats{grid-template-columns:1fr 1fr;}
  .proj-stat strong{font-size:22px;}
}
@media (prefers-reduced-motion: reduce){
  .proj-hero-mesh,.proj-hero-blueprint{animation:none;}
}

/* =========================================================
   ARAÇ ÇUBUĞU: kapsam anahtarı + yapı tipi + arama
   ========================================================= */
.proj-section{padding-top:32px;}
.proj-controls{display:flex;flex-direction:column;gap:14px;margin:0 0 22px;}
.proj-controls-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}

/* segmented control: Tümü / Projelendirme / Uygulama */
.proj-scope{
  display:inline-flex;padding:4px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);box-shadow:0 2px 10px -6px var(--shadow);
}
.proj-scope-btn{
  display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:999px;
  font-family:var(--font-display);font-weight:600;font-size:13.2px;color:var(--text-muted);
  transition:color .2s ease,background .25s ease,box-shadow .25s ease;
}
.proj-scope-btn svg{color:currentColor;opacity:.8;}
.proj-scope-btn em{
  font-style:normal;font-size:11.5px;font-weight:700;font-variant-numeric:tabular-nums;opacity:.8;
}
.proj-scope-btn:hover{color:var(--text);}
.proj-scope-btn.is-active{
  background:var(--gradient-brand);color:#fff;box-shadow:0 8px 18px rgba(41,164,224,.3);
}
.proj-scope-btn.is-active svg,.proj-scope-btn.is-active em{opacity:1;}

/* dar ekranda üç düğme sığmazsa şerit yatay kaydırılır, sayfa taşmaz */
@media (max-width:560px){
  .proj-scope{max-width:100%;overflow-x:auto;scrollbar-width:none;}
  .proj-scope::-webkit-scrollbar{display:none;}
  .proj-scope-btn{flex:0 0 auto;white-space:nowrap;padding:8px 12px;font-size:12.4px;gap:6px;}
  .proj-controls-row{gap:12px;}
  .proj-search{flex:1 1 100%;}
}

/* arama */
.proj-search{position:relative;flex:0 1 320px;min-width:220px;}
.proj-search input{
  width:100%;padding:11px 42px 11px 16px;border-radius:999px;
  border:1px solid var(--border);background:var(--surface);
  font-family:var(--font-body);font-size:13.8px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.proj-search input::placeholder{color:var(--text-muted);}
.proj-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(41,164,224,.12);}
.proj-search-icon{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  color:var(--accent-dark);pointer-events:none;display:flex;
}

/* yapı tipi chip'leri */
.proj-chips{display:flex;flex-wrap:wrap;gap:9px;}
.proj-chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  border:1px solid var(--border);background:var(--surface);
  font-family:var(--font-display);font-weight:600;font-size:12.8px;color:var(--text);
  transition:border-color .2s ease,background .25s ease,color .2s ease,box-shadow .25s ease,transform .18s ease;
}
.proj-chip svg{flex:0 0 auto;color:var(--proj-tone);transition:color .2s ease;}
.proj-chip em{
  font-style:normal;font-size:11px;font-weight:700;font-variant-numeric:tabular-nums;
  padding:2px 7px;border-radius:999px;
  background:color-mix(in srgb,var(--proj-tone) 20%,#fff);
  color:color-mix(in srgb,var(--proj-tone) 86%,#1D2C36);
  transition:background .25s ease,color .25s ease;
}
.proj-chip:hover{border-color:color-mix(in srgb,var(--proj-tone) 58%,var(--border));transform:translateY(-1px);}
.proj-chip.is-active{
  background:linear-gradient(135deg,var(--proj-tone),color-mix(in srgb,var(--proj-tone) 60%,#0D3B52));
  border-color:transparent;color:#fff;
  box-shadow:0 10px 22px color-mix(in srgb,var(--proj-tone) 34%,transparent);
}
.proj-chip.is-active svg{color:#fff;}
.proj-chip.is-active em{background:rgba(255,255,255,.24);color:#fff;}

.proj-resultbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:0 0 16px;margin:0 0 22px;border-bottom:1px solid var(--border);
  font-size:13.5px;color:var(--text-muted);
}
.proj-resultbar strong{font-family:var(--font-display);color:var(--text);font-variant-numeric:tabular-nums;}
.proj-reset{
  display:none;align-items:center;gap:6px;font-family:var(--font-display);font-weight:600;
  font-size:12.8px;color:var(--accent-dark);
}
.proj-reset.is-visible{display:inline-flex;}
.proj-reset:hover{color:var(--blue);}

/* =========================================================
   FOTO DUVARI — 12 kolonluk editoryal ızgara.
   Normal kart 4 kolon (satırda 3), geniş oranlı fotoğrafa sahip
   öne çıkan projeler tam genişlik showcase bandına çıkar.
   ========================================================= */
.proj-grid{
  display:grid;grid-template-columns:repeat(12,minmax(0,1fr));
  gap:56px 34px;
}
.proj-card{grid-column:span 4;}
.proj-card.is-showcase{grid-column:span 12;}
@media (max-width:1200px){
  .proj-grid{gap:46px 26px;}
  .proj-card{grid-column:span 6;}
}
@media (max-width:820px){
  .proj-grid{gap:34px 20px;}
  .proj-card,.proj-card.is-showcase{grid-column:span 12;}
}

.proj-card{
  position:relative;display:block;width:100%;text-align:left;
  /* button varsayılan padding'i sıfırlanmazsa altındaki koyu zemin
     fotoğrafın çevresinde siyah çerçeve gibi görünür */
  padding:0;border:0;background:transparent;
  border-radius:22px;opacity:0;
  transition:transform .45s cubic-bezier(.16,1,.3,1);
}
/* ---------- Arkada istiflenmiş kart katmanları ----------
   base.css'teki media-stack diliyle aynı fikir: dolu bir alt kart ve onun
   arkasında ince bir kontur, sağ-aşağı doğru kayık. Hover'da destek
   açılarak kart yerden kalkıyor izlenimi verir. */
.proj-card::before,
.proj-card::after{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  border-radius:22px;
  transition:transform .5s cubic-bezier(.16,1,.3,1),opacity .4s ease;
}
/* Yatay kayma bilinçli olarak küçük tutulur: içerik bölümünün 24px yan
   boşluğunu aşarsa sayfada yatay kaydırma çubuğu doğar. Derinlik hissi
   ağırlıklı olarak dikey kaymayla kurulur (satır arası 56px, bol yer var). */
.proj-card::before{
  background:var(--gradient-brand-soft);
  box-shadow:0 20px 38px -24px rgba(35,139,190,.55);
  transform:translate(8px,16px);
}
.proj-card::after{
  border:1.5px solid var(--accent-soft);
  opacity:.55;
  transform:translate(15px,30px);
}
.proj-card:hover::before,.proj-card:focus-visible::before{transform:translate(12px,23px);}
.proj-card:hover::after,.proj-card:focus-visible::after{transform:translate(21px,40px);opacity:.8;}
/* giriş animasyonu görüş alanına girince tetiklenir (main.js) — transform yerine
   translate özelliği kullanılır, böylece hover'daki transform'la çakışmaz */
.proj-card.is-in{animation:proj-card-in .75s cubic-bezier(.16,1,.3,1) forwards;animation-delay:calc(var(--i,0) * 100ms);}
@keyframes proj-card-in{from{opacity:0;translate:0 34px;}to{opacity:1;translate:0 0;}}
/* hover'da z-index: açılan istif komşu kartın altında kalmasın */
.proj-card:hover,.proj-card:focus-visible{transform:translateY(-8px);outline:none;z-index:3;}
.proj-card.is-filtered-out{display:none;}

/* Ön yüz: istif katmanlarının üstünde durur, köşe kırpması burada yapılır */
.proj-card-media{
  position:relative;z-index:2;overflow:hidden;background:var(--surface-alt);line-height:0;
  aspect-ratio:1/1;border-radius:22px;
  box-shadow:0 2px 6px rgba(89,89,90,.08),0 30px 54px -30px rgba(28,94,134,.55);
  transition:box-shadow .45s ease;
}
.proj-card:hover .proj-card-media,.proj-card:focus-visible .proj-card-media{
  box-shadow:0 4px 10px rgba(89,89,90,.1),0 48px 76px -34px color-mix(in srgb,var(--proj-tone) 68%,var(--shadow));
}
.proj-card-media img{
  width:100%;height:100%;display:block;object-fit:cover;object-position:center;
  filter:grayscale(.62) contrast(1.07);
  transition:filter .6s ease,transform 1s cubic-bezier(.16,1,.3,1);
}
/* dikey kadraj: bina tepesi kesilmesin diye üst tarafa yaklaş */
.proj-card-media[data-shape="portrait"] img{object-position:center 28%;}
/* dinginken markanın tonuyla birleşen duotone; hover'da gerçek renk */
.proj-card-media::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(158deg,
    color-mix(in srgb,var(--proj-tone) 42%,transparent) 0%,
    color-mix(in srgb,var(--proj-tone) 10%,transparent) 48%,
    rgba(11,21,29,.34) 100%);
  transition:opacity .5s ease;
}
/* cam panelin altına oturduğu yumuşak karartma — panel kenarı fotoğrafla kaynaşsın */
.proj-card-media::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(0deg,rgba(9,18,26,.68) 0%,rgba(9,18,26,.16) 38%,transparent 62%);
}
.proj-card:hover .proj-card-media img,.proj-card:focus-visible .proj-card-media img{filter:none;transform:scale(1.07);}
.proj-card:hover .proj-card-media::after,.proj-card:focus-visible .proj-card-media::after{opacity:.1;}

/* ---------- Fotoğrafın üstünde yüzen buzlu cam bilgi paneli ---------- */
.proj-card-body{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:4;
  /* güvenlik freni: panel hiçbir koşulda görselin dışına taşmasın */
  max-height:calc(100% - 28px);
  padding:18px 20px 17px;border-radius:16px;overflow:hidden;
  background:linear-gradient(180deg,var(--proj-deep-soft) 0%,var(--proj-deep-solid) 100%);
  backdrop-filter:blur(18px) saturate(1.25);
  border:1px solid rgba(204,240,253,.16);
  box-shadow:0 14px 34px -18px rgba(5,20,31,.72);
  transition:background .4s ease,border-color .4s ease,transform .45s cubic-bezier(.16,1,.3,1);
}
.proj-card-body::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--proj-tone),color-mix(in srgb,var(--proj-tone) 30%,transparent));
  opacity:.75;transition:opacity .4s ease;
}
.proj-card:hover .proj-card-body,.proj-card:focus-visible .proj-card-body{
  border-color:color-mix(in srgb,var(--proj-tone) 45%,rgba(255,255,255,.18));
}
.proj-card:hover .proj-card-body::before,.proj-card:focus-visible .proj-card-body::before{opacity:1;}

.proj-card-sector{
  display:flex;align-items:center;gap:6px;margin:0 0 8px;
  font-family:var(--font-display);font-size:10.8px;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;
  color:color-mix(in srgb,var(--proj-tone) 46%,#fff);
}
.proj-card-sector svg{flex:0 0 auto;}
.proj-card-body h3{
  font-family:var(--font-display);font-size:16px;font-weight:700;line-height:1.38;
  color:#fff;margin:0 0 9px;letter-spacing:-.008em;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.proj-card-meta{
  display:flex;align-items:flex-start;gap:6px;font-size:12.3px;line-height:1.45;
  color:rgba(255,255,255,.68);
}
.proj-card-meta svg{flex:0 0 auto;margin-top:1px;color:color-mix(in srgb,var(--proj-tone) 40%,#fff);}

/* hover'da açılan detay: açıklama + sistem etiketleri */
.proj-card-reveal{
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height .55s cubic-bezier(.16,1,.3,1),opacity .4s ease,margin-top .55s cubic-bezier(.16,1,.3,1);
}
.proj-card-desc{
  font-size:13px;line-height:1.6;color:rgba(255,255,255,.75);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.proj-tags{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0;}
.proj-tag{
  font-family:var(--font-display);font-size:10.8px;font-weight:600;
  padding:4px 10px;border-radius:7px;
  background:color-mix(in srgb,var(--proj-tone) 34%,rgba(255,255,255,.12));
  color:#fff;border:1px solid rgba(255,255,255,.1);
}
@media (hover:hover) and (pointer:fine){
  .proj-card:hover .proj-card-reveal,.proj-card:focus-visible .proj-card-reveal{
    max-height:240px;opacity:1;margin-top:12px;
  }
}
/* dokunmatikte hover yok: detay her zaman açık dursun */
@media (hover:none){
  .proj-card-reveal{max-height:240px;opacity:1;margin-top:12px;}
}

/* ---------- Showcase bandı: tam genişlik, cam panel solda ---------- */
.proj-card.is-showcase{border-radius:26px;}
.proj-card.is-showcase::before,
.proj-card.is-showcase::after{border-radius:26px;}
.proj-card.is-showcase::before{transform:translate(9px,19px);}
.proj-card.is-showcase::after{transform:translate(16px,35px);}
.proj-card.is-showcase:hover::before{transform:translate(13px,27px);}
.proj-card.is-showcase:hover::after{transform:translate(22px,46px);}
.proj-card.is-showcase .proj-card-media{aspect-ratio:24/9;border-radius:26px;}
.proj-card.is-showcase .proj-card-media img{filter:grayscale(.28) contrast(1.04);}
.proj-card.is-showcase .proj-card-media::before{
  background:
    linear-gradient(96deg,rgba(9,18,26,.72) 0%,rgba(9,18,26,.34) 42%,rgba(9,18,26,0) 74%),
    linear-gradient(0deg,rgba(9,18,26,.5) 0%,transparent 48%);
}
.proj-card.is-showcase .proj-card-media::after{opacity:.26;}
.proj-card.is-showcase:hover .proj-card-media::after{opacity:.06;}
.proj-showcase-kicker{
  display:inline-flex;align-items:center;gap:7px;margin:0 0 11px;
  font-family:var(--font-display);font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-soft);
}
.proj-showcase-go{
  position:absolute;right:34px;bottom:34px;z-index:5;
  width:56px;height:56px;border-radius:50%;
  background:rgba(255,255,255,.94);color:var(--accent-dark);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 32px rgba(9,20,29,.34);
  transition:transform .35s cubic-bezier(.16,1,.3,1);
}
.proj-card.is-showcase:hover .proj-showcase-go{transform:translateX(5px) scale(1.06);}
@media (min-width:821px){
  .proj-card.is-showcase .proj-card-body{
    left:30px;right:auto;bottom:30px;width:min(560px,50%);
    padding:26px 30px 24px;border-radius:20px;
  }
  .proj-card.is-showcase .proj-card-body h3{
    font-size:clamp(19px,1.7vw,24px);line-height:1.26;margin-bottom:11px;-webkit-line-clamp:2;
  }
  .proj-card.is-showcase .proj-card-desc{font-size:14px;-webkit-line-clamp:2;}
  .proj-card.is-showcase .proj-card-meta{font-size:12.8px;}
  .proj-card.is-showcase .proj-zoom{display:none;}
  /* showcase panelinde detay hep açık — bant zaten yeterince yüksek */
  .proj-card.is-showcase .proj-card-reveal{max-height:240px;opacity:1;margin-top:12px;}
}
@media (max-width:820px){
  /* showcase bandı mobilde kareye döner: çok etiketli projelerde panel sığsın */
  .proj-card.is-showcase .proj-card-media{aspect-ratio:1/1;}
  .proj-showcase-go{right:18px;top:18px;bottom:auto;width:44px;height:44px;}
}

/* görseli olmayan projeler için teknik çizim yer tutucusu */
.proj-card-media.is-blueprint{
  display:flex;align-items:center;justify-content:center;line-height:1;
  background:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(150deg,color-mix(in srgb,var(--proj-tone) 88%,#0B2E42),color-mix(in srgb,var(--proj-tone) 46%,#0B2E42));
  background-size:26px 26px,26px 26px,auto;
  color:rgba(255,255,255,.72);
}
.proj-card-media.is-blueprint::after{display:none;}
.proj-blueprint-note{
  display:flex;flex-direction:column;align-items:center;gap:9px;text-align:center;padding:20px;
  font-family:var(--font-display);font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
}

/* rozetler */
.proj-badge{
  position:absolute;z-index:2;display:inline-flex;align-items:center;gap:5px;
  padding:5px 11px;border-radius:999px;
  font-family:var(--font-display);font-size:11px;font-weight:700;letter-spacing:.02em;
  background:rgba(14,26,36,.6);backdrop-filter:blur(6px);color:#fff;
  border:1px solid rgba(255,255,255,.18);
}
.proj-badge-scope{top:12px;left:12px;}
.proj-badge-area{top:12px;right:12px;font-variant-numeric:tabular-nums;}
.proj-badge-count{bottom:12px;right:12px;font-variant-numeric:tabular-nums;}

/* hover'da beliren büyüteç */
.proj-zoom{
  position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%) scale(.82);
  width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--accent-dark);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .3s ease,transform .35s cubic-bezier(.16,1,.3,1);
  box-shadow:0 10px 26px rgba(12,26,36,.32);
}
.proj-card:hover .proj-zoom,.proj-card:focus-visible .proj-zoom{opacity:1;transform:translate(-50%,-50%) scale(1);}

@media (max-width:820px){
  .proj-card-body{left:11px;right:11px;bottom:11px;padding:16px 17px 15px;}
  /* dar kartta panel görselin dışına çıkmasın diye satır sayısı kısılır */
  .proj-card-body h3{font-size:15.2px;-webkit-line-clamp:2;}
  .proj-card-desc{-webkit-line-clamp:2;}
  .proj-card-reveal{max-height:180px;}
}
@media (prefers-reduced-motion: reduce){
  .proj-card{opacity:1;}
  .proj-card.is-in{animation:none;}
  .proj-card-media img{transition:none;}
}

.proj-empty{
  display:none;padding:44px 24px;text-align:center;color:var(--text-muted);font-size:14px;
  border:1px dashed var(--border);border-radius:16px;
}
.proj-empty.is-visible{display:block;}

/* =========================================================
   SAYILARLA: yapı tipi dağılımı
   ========================================================= */
.proj-bars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 40px;margin:6px 0 0;}
@media (max-width:760px){.proj-bars{grid-template-columns:1fr;}}
.proj-bar{display:grid;grid-template-columns:1fr auto;gap:4px 12px;align-items:center;}
.proj-bar-label{
  display:flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:13.2px;
  font-weight:600;color:var(--text);
}
.proj-bar-label svg{color:var(--proj-tone);}
.proj-bar-value{
  font-family:var(--font-display);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  color:color-mix(in srgb,var(--proj-tone) 82%,#1D2C36);
}
.proj-bar-track{
  grid-column:1 / -1;height:7px;border-radius:999px;overflow:hidden;
  background:color-mix(in srgb,var(--proj-tone) 14%,#fff);
}
.proj-bar-fill{
  display:block;height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--proj-tone),color-mix(in srgb,var(--proj-tone) 55%,#fff));
  transition:width 1.1s cubic-bezier(.16,1,.3,1);
}
.reveal.is-visible .proj-bar-fill{width:var(--pct,0%);}

/* =========================================================
   KAPSAM BANDI: projelendirme + uygulama (iki sayfanın birleşimi)
   ========================================================= */
.proj-scope-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
@media (max-width:900px){.proj-scope-grid{grid-template-columns:1fr;}}
.proj-scope-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:26px 26px 22px;
}
.proj-scope-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-bar);
}
.proj-scope-card::after{
  content:"";position:absolute;top:-80px;right:-80px;width:210px;height:210px;border-radius:50%;
  background:var(--gradient-brand-soft);opacity:.4;pointer-events:none;
}
.proj-scope-card-head{position:relative;display:flex;align-items:center;gap:12px;margin:0 0 6px;}
.proj-scope-card-head .icon{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:var(--gradient-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(41,164,224,.3);
}
.proj-scope-card-head h3{font-family:var(--font-display);font-size:18px;color:var(--ink);margin:0;}
.proj-scope-card-head small{display:block;font-size:12.2px;font-weight:600;color:var(--accent-dark);margin-top:2px;}
.proj-scope-card > p{position:relative;font-size:14.5px;line-height:1.7;color:var(--text-muted);margin:10px 0 16px;max-width:none;}
.proj-scope-list{position:relative;display:flex;flex-direction:column;gap:11px;}
.proj-scope-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.5;color:var(--text);}
.proj-scope-list li svg{flex:0 0 auto;margin-top:3px;color:var(--accent-dark);}
.proj-scope-list li strong{font-family:var(--font-display);font-weight:700;color:var(--ink);}

/* =========================================================
   LIGHTBOX
   ========================================================= */
.proj-lightbox{
  position:fixed;inset:0;z-index:1200;display:none;
  background:rgba(10,20,28,.9);backdrop-filter:blur(14px);
  padding:24px;
}
.proj-lightbox.is-open{display:flex;align-items:center;justify-content:center;animation:proj-lb-in .28s ease;}
@keyframes proj-lb-in{from{opacity:0;}to{opacity:1;}}
.proj-lb-dialog{
  position:relative;display:flex;flex-direction:column;
  max-width:1120px;width:100%;max-height:100%;
  animation:proj-lb-pop .38s cubic-bezier(.16,1,.3,1);
}
@keyframes proj-lb-pop{from{opacity:0;transform:translateY(16px) scale(.985);}to{opacity:1;transform:none;}}
.proj-lb-figure{
  position:relative;flex:1 1 auto;min-height:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:16px;overflow:hidden;background:rgba(255,255,255,.05);
}
.proj-lb-figure img{max-width:100%;max-height:min(70vh,720px);width:auto;height:auto;object-fit:contain;display:block;}
.proj-lb-blueprint{
  width:100%;aspect-ratio:16/9;max-height:60vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:rgba(255,255,255,.8);text-align:center;padding:24px;
  font-family:var(--font-display);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  background:
    linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(150deg,#1B5F80,#0E3550);
  background-size:30px 30px,30px 30px,auto;
}
.proj-lb-info{flex:0 0 auto;padding:18px 4px 0;color:#fff;}
.proj-lb-badges{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 9px;}
.proj-lb-badge{
  display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);
  font-family:var(--font-display);font-size:11.5px;font-weight:700;letter-spacing:.02em;
}
.proj-lb-info h3{font-family:var(--font-display);font-size:19px;line-height:1.32;margin:0 0 7px;text-wrap:balance;}
.proj-lb-info p{font-size:14px;line-height:1.6;color:rgba(255,255,255,.76);margin:0 0 7px;max-width:80ch;}
.proj-lb-konum{display:inline-flex;align-items:center;gap:6px;font-size:12.8px;color:var(--accent-soft);}
.proj-lb-counter{
  position:absolute;top:-4px;right:56px;
  font-family:var(--font-display);font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
  color:rgba(255,255,255,.62);
}
.proj-lb-btn{
  position:absolute;z-index:3;width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;
  display:flex;align-items:center;justify-content:center;
  backdrop-filter:blur(6px);transition:background .2s ease,transform .2s ease,opacity .2s ease;
}
.proj-lb-btn:hover{background:rgba(255,255,255,.24);transform:scale(1.06);}
.proj-lb-btn:disabled{opacity:.32;cursor:default;transform:none;}
.proj-lb-close{top:-10px;right:-4px;}
.proj-lb-prev{left:-4px;top:calc(50% - 60px);}
.proj-lb-next{right:-4px;top:calc(50% - 60px);}
@media (max-width:900px){
  .proj-lightbox{padding:16px;}
  .proj-lb-close{top:-6px;right:0;}
  .proj-lb-prev,.proj-lb-next{top:auto;bottom:-6px;}
  .proj-lb-prev{left:0;}
  .proj-lb-next{right:0;}
  .proj-lb-counter{right:52px;}
  .proj-lb-info{padding-bottom:52px;}
  .proj-lb-info h3{font-size:16.5px;}
}
body.proj-lb-open{overflow:hidden;}

/* =========================================================
   SAYFA SONU
   ========================================================= */
.proj-outro{padding-top:6px;}
.proj-outro-card{
  position:relative;overflow:hidden;
  background:var(--gradient-ink);border-radius:20px;padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.proj-outro-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(40% 90% at 88% 20%,rgba(41,164,224,.32),transparent 68%);
}
.proj-outro-text{position:relative;max-width:56ch;}
.proj-outro-text .section-kicker{color:var(--accent-soft);}
.proj-outro-text h2{font-family:var(--font-display);font-size:24px;color:#fff;margin:0 0 10px;padding-left:0;}
.proj-outro-text h2::before{display:none;}
.proj-outro-text p{font-size:14.8px;line-height:1.65;color:rgba(255,255,255,.76);margin:0;max-width:none;}
.proj-outro-actions{position:relative;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.proj-outro-actions .chip{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#fff;}
.proj-outro-actions .chip:hover{background:rgba(255,255,255,.18);border-color:var(--accent-soft);color:#fff;}