/* ============================================================
   YAŞAR YAPI & ALÜMİNYUM — Tasarım Sistemi
   Tek dosya · tüm sayfalarda ortak
   ============================================================ */

/* ---------- 1. Tasarım Token'ları ---------- */
:root {
  /* Renkler — logodan türetildi */
  --ink:          #15120E;   /* sıcak kömür siyahı (ana koyu zemin) */
  --ink-soft:     #1F1A14;   /* ikincil koyu yüzey / kartlar */
  --ink-line:     #322a20;   /* koyu zemin üstü ince çizgi */
  --bronze:       #C17A35;   /* accent — logo turuncusu/bronzu */
  --bronze-bright:#D89248;   /* hover / parlak bronz */
  --bronze-deep:  #9A5E26;   /* koyu bronz */
  --cream:        #F6F2EA;   /* açık zemin / koyu üstü ana metin */
  --cream-muted:  #BBAF9D;   /* koyu üstü ikincil metin */
  --stone:        #8A8073;   /* üçüncül / pasif metin */
  --paper:        #FBF9F5;   /* açık bölüm zemini */
  --paper-2:      #F1ECE2;   /* açık bölüm ikincil yüzey */
  --ink-text:     #1A1611;   /* açık zemin üstü koyu metin */
  --ink-text-2:   #5C5446;   /* açık zemin üstü ikincil metin */

  /* Tipografi */
  --font-display: "Bricolage Grotesque", "Manrope", sans-serif;
  --font-body:    "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Ölçek */
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 4px;
  --radius-lg: 14px;

  /* Geçişler */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.5s;
}

/* ---------- 2. Reset & Temel ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--cream);
  line-height: 1.65;
  font-size: 16px;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

::selection { background: var(--bronze); color: var(--ink); }

/* ---------- 3. Tipografi ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.05; letter-spacing: -0.02em; }

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--bronze);
  display: inline-block;
}

.section-title { font-size: clamp(2rem, 4.5vw, 3.4rem); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--cream-muted); max-width: 56ch; }

/* ---------- 4. Düzen yardımcıları ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 11vw, 140px); position: relative; }
.section--light { background: var(--paper); color: var(--ink-text); }
.section--light .lede { color: var(--ink-text-2); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 90px); align-items: center; }
.stack-lg > * + * { margin-top: 1.4rem; }

/* ---------- 5. Butonlar ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  padding: 0.95em 1.7em;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: all 0.35s var(--ease);
  position: relative;
  letter-spacing: 0.01em;
}
.btn .ar { transition: transform 0.35s var(--ease); }
.btn:hover .ar { transform: translate(3px, -3px); }

.btn--primary { background: var(--bronze); color: #1a120a; }
.btn--primary:hover { background: var(--bronze-bright); transform: translateY(-2px); }

.btn--ghost { border: 1px solid var(--ink-line); color: var(--cream); }
.btn--ghost:hover { border-color: var(--bronze); color: var(--bronze-bright); }

.section--light .btn--ghost { border-color: #d8cfbf; color: var(--ink-text); }
.section--light .btn--ghost:hover { border-color: var(--bronze); color: var(--bronze-deep); }

.btn--dark { background: var(--ink); color: var(--cream); }
.btn--dark:hover { background: #241e16; transform: translateY(-2px); }

/* ---------- 6. Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: 18px;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(17, 14, 10, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-block: 11px;
  border-bottom-color: var(--ink-line);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

/* Logo */
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand__mark { width: 34px; height: 40px; flex-shrink: 0; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--font-display); font-weight: 800; font-size: 1.18rem; letter-spacing: 0.02em; color: var(--cream); }
.brand__sub { font-size: 0.6rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--bronze); margin-top: 3px; }

/* Nav */
.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  padding: 8px 15px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--cream-muted);
  border-radius: var(--radius);
  transition: color 0.25s, background 0.25s;
  position: relative;
}
.nav__link:hover { color: var(--cream); }
.nav__link.is-active { color: var(--bronze-bright); }

.header__cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header__phone {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 0.92rem; color: var(--cream);
  padding: 9px 16px; border: 1px solid var(--ink-line); border-radius: 50px;
  transition: border-color 0.25s, color 0.25s;
}
.header__phone:hover { border-color: var(--bronze); color: var(--bronze-bright); }
.header__phone svg { color: var(--bronze); }

/* Mobil menü düğmesi */
.nav-toggle { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--cream); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.3s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 7. Hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100dvh; display: flex; align-items: flex-end; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(15,12,8,0.55) 0%, rgba(15,12,8,0.15) 35%, rgba(15,12,8,0.75) 80%, var(--ink) 100%),
    linear-gradient(90deg, rgba(15,12,8,0.6) 0%, transparent 60%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; padding-bottom: clamp(40px, 7vw, 90px); padding-top: 140px; }
.hero__top { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; margin-bottom: auto; }

.hero__wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 13vw, 12rem);
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: var(--cream);
  margin: 0.15em 0 0.32em;
  text-wrap: balance;
}
.hero__wordmark span { color: var(--bronze); }

.hero__row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 36px; }
.hero__intro { max-width: 30ch; }
.hero__intro h1 { font-size: clamp(1.4rem, 2.6vw, 2.05rem); font-weight: 700; line-height: 1.12; }
.hero__intro p { margin-top: 14px; color: var(--cream-muted); font-size: 1.02rem; }
.hero__actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

/* Hero istatistik kartları */
.hero__stats { display: flex; gap: 16px; flex-wrap: wrap; }
.stat-card {
  background: rgba(246, 242, 234, 0.1);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border: 1px solid rgba(246, 242, 234, 0.2);
  border-radius: var(--radius-lg);
  padding: 26px 34px;
  min-width: 172px;
  text-align: center;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(246, 242, 234, 0.12);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.stat-card:hover { transform: translateY(-4px); border-color: rgba(193, 122, 53, 0.55); }
.stat-card__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.6rem, 4vw, 3.1rem); color: var(--cream); line-height: 1; letter-spacing: -0.02em; }
.stat-card__label { font-size: 0.7rem; color: var(--bronze-bright); margin-top: 11px; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; }

.scroll-hint { position: absolute; left: var(--gutter); bottom: 26px; z-index: 3; display: flex; align-items: center; gap: 10px; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cream-muted); }
.scroll-hint__line { width: 1px; height: 40px; background: linear-gradient(var(--bronze), transparent); animation: scrollPulse 2.2s var(--ease) infinite; transform-origin: top; }
@keyframes scrollPulse { 0%,100% { transform: scaleY(0.4); opacity: 0.4; } 50% { transform: scaleY(1); opacity: 1; } }

/* ---------- 8. Dual Brand (Signature) — sürüklenebilir slider ---------- */
.duo { position: relative; display: flex; min-height: 580px; overflow: hidden; --split: 50%; user-select: none; touch-action: pan-y; }
.duo__panel {
  position: relative; overflow: hidden; padding: clamp(34px, 4vw, 56px);
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 580px; color: var(--cream);
}
.duo__panel--yapi { flex: 0 0 var(--split); }
.duo__panel--alu  { flex: 1 1 auto; }
.duo:not(.is-dragging) .duo__panel { transition: flex 0.55s var(--ease); }
.duo:not(.is-dragging) .duo__handle { transition: left 0.55s var(--ease); }
.duo__panel img { position: absolute; top: 0; height: 100%; width: 100%; max-width: none; object-fit: cover; z-index: 0; }
.duo__panel--yapi img { left: 0; }
.duo__panel--alu  img { right: 0; }
.duo__panel::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.duo__panel--yapi::after { background: linear-gradient(180deg, rgba(15,12,8,0.35) 0%, rgba(15,12,8,0.92) 100%); }
.duo__panel--alu::after  { background: linear-gradient(180deg, rgba(20,14,6,0.30) 0%, rgba(120,70,25,0.5) 60%, rgba(15,12,8,0.93) 100%); }

.duo__content { position: relative; z-index: 2; min-width: 340px; transform-origin: left bottom; will-change: opacity, transform; }
.duo__panel--alu .duo__content { margin-left: auto; transform-origin: right bottom; }
.duo:not(.is-dragging) .duo__content { transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.duo__content > * { text-shadow: 0 1px 3px rgba(0,0,0,0.5), 0 6px 22px rgba(0,0,0,0.45); }
.duo__panel::after { z-index: 1; }
.duo__panel--yapi::after { background: linear-gradient(180deg, rgba(15,12,8,0.42) 0%, rgba(15,12,8,0.5) 55%, rgba(15,12,8,0.95) 100%); }
.duo__panel--alu::after  { background: linear-gradient(180deg, rgba(20,14,6,0.38) 0%, rgba(70,44,18,0.55) 55%, rgba(15,12,8,0.95) 100%); }
.duo__tag { font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--bronze-bright); font-weight: 600; }
.duo__title { font-size: clamp(1.9rem, 3.5vw, 2.9rem); margin: 12px 0 14px; }
.duo__desc { color: var(--cream-muted); max-width: 42ch; margin-bottom: 22px; }
.duo__link { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; color: var(--cream); border-bottom: 1px solid var(--bronze); padding-bottom: 4px; transition: gap 0.3s, color 0.3s; }
.duo__link:hover { gap: 16px; color: var(--bronze-bright); }
.duo__num { position: absolute; top: clamp(28px,4vw,52px); z-index: 2; font-family: var(--font-display); font-weight: 800; font-size: 1rem; color: rgba(246,242,234,0.5); letter-spacing: 0.1em; }
.duo__panel--yapi .duo__num { left: clamp(34px,4vw,56px); }
.duo__panel--alu  .duo__num { right: clamp(34px,4vw,56px); }

/* Sürükleme tutamacı */
.duo__handle { position: absolute; top: 0; bottom: 0; left: var(--split); transform: translateX(-50%); z-index: 6; width: 64px; display: flex; align-items: center; justify-content: center; cursor: ew-resize; }
.duo__handle::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; transform: translateX(-50%); width: 2px; background: rgba(246,242,234,0.65); }
.duo__grip { position: relative; flex-shrink: 0; width: 56px; height: 56px; aspect-ratio: 1; border-radius: 50%; background: var(--bronze); display: grid; place-items: center; box-shadow: 0 6px 22px rgba(0,0,0,0.45); transition: transform 0.3s var(--ease), background 0.3s; }
.duo__handle:hover .duo__grip, .duo.is-dragging .duo__grip { transform: scale(1.08); background: var(--bronze-bright); }
.duo__grip svg { width: 26px; height: 26px; color: #1a120a; }
.duo__hint { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 6; font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cream-muted); display: flex; align-items: center; gap: 8px; pointer-events: none; transition: opacity 0.4s; }
.duo.is-dragging .duo__hint { opacity: 0; }

/* ---------- 9. Hizmet Kartları (3+3, tıklanır accordion) ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.service {
  background: var(--paper);
  border: 1px solid #e8e0d2;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  position: relative;
  text-align: left;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  color: var(--ink-text);
  font: inherit;
  cursor: pointer;
}
.service:hover { background: #fff; border-color: var(--bronze); box-shadow: 0 18px 44px rgba(20,16,10,0.16); transform: translateY(-5px); }
.service.is-open { border-color: var(--bronze); }
.service__icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 10px; background: rgba(193,122,53,0.14); color: var(--bronze-deep); margin-bottom: 22px; transition: background 0.4s, transform 0.4s var(--ease); }
.service:hover .service__icon, .service.is-open .service__icon { background: var(--bronze); color: #fff; transform: translateY(-2px); }
.service__icon svg { width: 26px; height: 26px; }
.service__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.service h3 { font-size: 1.24rem; margin-bottom: 10px; color: var(--ink-text); }
.service p { color: var(--ink-text-2); font-size: 0.95rem; }
.service__no { font-family: var(--font-display); font-weight: 700; color: #d3c9b8; font-size: 1.1rem; flex-shrink: 0; }
.service__toggle { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 18px; align-self: flex-start; font-size: 0.82rem; font-weight: 600; color: var(--bronze-deep); letter-spacing: 0.02em; }
.service:hover .service__toggle { gap: 10px; }
.service__toggle svg { transition: transform 0.4s var(--ease); }
.service.is-open .service__toggle svg { transform: rotate(180deg); }
.service__detail { max-height: 0; overflow: hidden; opacity: 0; transition: max-height 0.5s var(--ease), opacity 0.4s var(--ease), margin-top 0.4s var(--ease); }
.service.is-open .service__detail { max-height: 360px; opacity: 1; margin-top: 18px; }
.service__detail-inner { padding-top: 18px; border-top: 1px solid var(--ink-line); }
.service__detail p { color: var(--cream-muted); font-size: 0.92rem; margin-bottom: 12px; }
.service__detail ul { display: grid; gap: 8px; }
.service__detail li { display: flex; gap: 9px; align-items: flex-start; font-size: 0.9rem; color: var(--cream); }
.service__detail li svg { color: var(--bronze-bright); flex-shrink: 0; margin-top: 3px; }

/* ---------- 10. Süreç (numaralı — gerçek sıra) ---------- */
.process { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 28px; counter-reset: step; }
.step { position: relative; padding-top: 30px; }
.step::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--paper-2); }
.step__bar { position: absolute; top: 0; left: 0; height: 2px; width: 38px; background: var(--bronze); }
.step__no { font-family: var(--font-display); font-weight: 800; font-size: 2.6rem; color: var(--bronze); line-height: 1; }
.step h3 { font-size: 1.15rem; margin: 12px 0 8px; color: var(--ink-text); }
.step p { font-size: 0.92rem; color: var(--ink-text-2); }

/* ---------- 11. İstatistik şeridi ---------- */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 28px; }
.metric { text-align: center; padding: 8px; }
.metric__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.6rem, 5vw, 4rem); color: var(--cream); line-height: 1; }
.metric__num span { color: var(--bronze); }
.metric__label { margin-top: 12px; font-size: 0.86rem; letter-spacing: 0.04em; color: var(--cream-muted); text-transform: uppercase; }

/* ---------- 12. Proje Galeri ---------- */
.gallery { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.gallery__item { position: relative; overflow: hidden; border-radius: var(--radius-lg); min-height: 240px; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.gallery__item:hover img { transform: scale(1.07); }
.gallery__item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(15,12,8,0.85)); }
.gallery__cap { position: absolute; left: 22px; bottom: 20px; z-index: 2; }
.gallery__cap .t { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--cream); }
.gallery__cap .s { font-size: 0.8rem; color: var(--bronze-bright); letter-spacing: 0.05em; }
.g-tall { grid-column: span 4; grid-row: span 2; }
.g-wide { grid-column: span 8; }
.g-half { grid-column: span 4; }
.g-third { grid-column: span 4; }
.g-6 { grid-column: span 6; }

/* ---------- 13. CTA bandı ---------- */
.cta-band { background: var(--bronze); color: #1a120a; border-radius: var(--radius-lg); padding: clamp(40px, 6vw, 72px); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 32px; position: relative; overflow: hidden; }
.cta-band h2 { font-size: clamp(1.8rem, 3.6vw, 2.9rem); max-width: 18ch; color: #1a120a; }
.cta-band p { margin-top: 10px; color: #46300f; max-width: 40ch; }
.cta-band__deco { position: absolute; right: -40px; top: -40px; width: 260px; height: 260px; opacity: 0.12; }

/* ---------- 14. Footer ---------- */
.footer { background: #100D09; padding-block: 72px 32px; border-top: 1px solid var(--ink-line); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer__brand p { color: var(--cream-muted); font-size: 0.92rem; max-width: 32ch; margin-top: 18px; }
.footer h4 { font-family: var(--font-body); font-weight: 700; font-size: 0.82rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); margin-bottom: 18px; }
.footer__links li { margin-bottom: 11px; }
.footer__links a { color: var(--cream-muted); font-size: 0.94rem; transition: color 0.25s, padding-left 0.25s; }
.footer__links a:hover { color: var(--cream); padding-left: 5px; }
.footer__contact li { color: var(--cream-muted); font-size: 0.94rem; margin-bottom: 12px; display: flex; gap: 11px; align-items: flex-start; }
.footer__contact svg { color: var(--bronze); flex-shrink: 0; margin-top: 3px; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--ink-line); color: var(--stone); font-size: 0.84rem; }
.footer__social { display: flex; gap: 10px; }
.footer__social a { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--ink-line); border-radius: 50%; color: var(--cream-muted); transition: all 0.3s; }
.footer__social a:hover { border-color: var(--bronze); color: var(--bronze); transform: translateY(-2px); }

/* ---------- 15. Sayfa başlığı (alt sayfalar) ---------- */
.page-head { position: relative; padding-top: 180px; padding-bottom: 70px; overflow: hidden; }
.page-head__bg { position: absolute; inset: 0; z-index: 0; }
.page-head__bg img { width: 100%; height: 100%; object-fit: cover; }
.page-head__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,12,8,0.78), rgba(15,12,8,0.92)); }
.page-head__inner { position: relative; z-index: 2; }
.page-head h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); margin: 16px 0 14px; }
.breadcrumb { display: flex; gap: 10px; font-size: 0.86rem; color: var(--cream-muted); }
.breadcrumb a:hover { color: var(--bronze-bright); }
.breadcrumb span { color: var(--bronze); }

/* ---------- 16. İçerik blokları ---------- */
.feature-list { display: grid; gap: 2px; }
.feature-row { display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--ink-line); align-items: flex-start; }
.feature-row__ic { color: var(--bronze); flex-shrink: 0; margin-top: 2px; }
.feature-row h3 { font-size: 1.15rem; margin-bottom: 6px; }
.feature-row p { color: var(--cream-muted); font-size: 0.95rem; }
.section--light .feature-row { border-color: #e3dccd; }
.section--light .feature-row h3 { color: var(--ink-text); }
.section--light .feature-row p { color: var(--ink-text-2); }

.media-frame { border-radius: var(--radius-lg); overflow: hidden; position: relative; }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame--tall { aspect-ratio: 4/5; }

.badge-float { position: absolute; bottom: 22px; left: 22px; background: var(--ink); border: 1px solid var(--ink-line); border-radius: 12px; padding: 16px 22px; display: flex; align-items: center; gap: 14px; }
.badge-float__num { font-family: var(--font-display); font-weight: 800; font-size: 2rem; color: var(--bronze-bright); line-height: 1; }
.badge-float__txt { font-size: 0.82rem; color: var(--cream-muted); }

.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 26px; }
.value { padding: 30px 26px; background: var(--ink-soft); border: 1px solid var(--ink-line); border-radius: var(--radius-lg); transition: border-color 0.4s, transform 0.4s var(--ease); }
.value:hover { border-color: var(--bronze); transform: translateY(-4px); }
.value__ic { color: var(--bronze-bright); margin-bottom: 16px; }
.value h3 { font-size: 1.18rem; margin-bottom: 9px; }
.value p { color: var(--cream-muted); font-size: 0.93rem; }

/* İletişim */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-card { display: flex; gap: 18px; padding: 26px; background: var(--ink-soft); border: 1px solid var(--ink-line); border-radius: var(--radius-lg); margin-bottom: 16px; transition: border-color 0.35s; }
.contact-card:hover { border-color: var(--bronze); }
.contact-card__ic { width: 50px; height: 50px; flex-shrink: 0; display: grid; place-items: center; border-radius: 10px; background: rgba(193,122,53,0.12); color: var(--bronze-bright); }
.contact-card h3 { font-family: var(--font-body); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bronze); margin-bottom: 7px; }
.contact-card a, .contact-card p { color: var(--cream); font-size: 1.02rem; font-weight: 500; }
.map-frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--ink-line); min-height: 360px; height: 100%; filter: grayscale(0.3) contrast(1.05); }
.map-frame iframe { width: 100%; height: 100%; min-height: 360px; border: 0; display: block; }

/* ---------- 17. Scroll reveal animasyon ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }
.reveal[data-d="4"] { transition-delay: 0.32s; }

/* Hero & sayfa başlığı giriş animasyonu (sayfa yüklenince) */
@keyframes heroUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
.hero__top { animation: heroUp 0.9s var(--ease) 0.15s backwards; }
.hero__wordmark { animation: heroUp 1s var(--ease) 0.3s backwards; }
.hero__intro { animation: heroUp 0.95s var(--ease) 0.5s backwards; }
.hero__stats { animation: heroUp 0.95s var(--ease) 0.65s backwards; }
.scroll-hint { animation: heroUp 0.8s var(--ease) 0.9s backwards; }
.page-head .breadcrumb { animation: heroUp 0.8s var(--ease) 0.1s backwards; }
.page-head h1 { animation: heroUp 0.9s var(--ease) 0.24s backwards; }
.page-head .lede { animation: heroUp 0.9s var(--ease) 0.4s backwards; }

/* Menü linki alt çizgi animasyonu */
.nav__link::after { content: ""; position: absolute; left: 15px; right: 15px; bottom: 3px; height: 2px; background: var(--bronze); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform 0.32s var(--ease); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }

/* ---------- 17b. Açık tonlu istatistik & galeri (kontrast) ---------- */
.section--light .metric__num { color: var(--ink-text); }
.section--light .metric__num span { color: var(--bronze-deep); }
.section--light .metric__label { color: var(--ink-text-2); }
.metrics--bordered { border-top: 1px solid #e3dccd; border-bottom: 1px solid #e3dccd; padding-block: 44px; }
.section--light .gallery__cap .t { color: var(--cream); }

/* ---------- 17c. Görselli hizmet/yapı blokları (zigzag) ---------- */
.svc { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 72px); align-items: center; scroll-margin-top: 100px; }
.svc + .svc { margin-top: clamp(46px, 7vw, 100px); }
.svc--rev .svc__media { order: 2; }
.svc__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; }
.svc__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.svc:hover .svc__media img { transform: scale(1.05); }
.svc__media .duo__num { top: auto; bottom: 20px; left: 22px; color: rgba(246,242,234,0.85); font-size: 0.9rem; z-index: 3; }
.svc__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(15,12,8,0.5)); }
.svc__body h3 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); margin: 14px 0 14px; }
.svc__body > p { color: var(--cream-muted); margin-bottom: 20px; }
.section--light .svc__body > p { color: var(--ink-text-2); }
.svc__feats { display: grid; gap: 12px; margin-bottom: 24px; }
.svc__feats li { display: flex; gap: 11px; align-items: flex-start; font-size: 0.96rem; }
.svc__feats li svg { color: var(--bronze); flex-shrink: 0; margin-top: 3px; }
.section--light .svc__feats li { color: var(--ink-text); }

/* ---------- 17d. Hakkımızda — görselli değer / hikâye ---------- */
.story-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(34px, 5vw, 80px); align-items: center; }
.story-media { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.story-media figure { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.story-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.story-media figure:hover img { transform: scale(1.06); }
.story-media .tall { grid-row: span 2; aspect-ratio: 3/4.5; }
.story-media .short { aspect-ratio: 4/3; }
.value--media { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.value--media .value__img { aspect-ratio: 16/10; overflow: hidden; }
.value--media .value__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.value--media:hover .value__img img { transform: scale(1.06); }
.value--media .value__txt { padding: 26px 24px 30px; }

/* Hikâye — metin boyunca yanda kalan görsel kolonu */
.story-aside { position: sticky; top: 100px; display: grid; gap: 16px; }
.story-aside__big { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3.4; }
.story-aside__big img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.story-aside__big:hover img { transform: scale(1.05); }
.story-aside__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.story-aside__row figure { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 1 / 1; }
.story-aside__row img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.story-aside__row figure:hover img { transform: scale(1.05); }

/* ---------- 17e. Açık iletişim kartları + harita hizası ---------- */
.contact-card--light { background: var(--paper); border-color: #e7dfd1; }
.contact-card--light:hover { border-color: var(--bronze); }
.contact-card--light .contact-card__ic { background: rgba(193,122,53,0.14); color: var(--bronze-deep); }
.contact-card--light h3 { color: var(--bronze-deep); }
.contact-card--light a, .contact-card--light p { color: var(--ink-text); }
.contact-grid--center { align-items: center; }
.contact-sticky { position: sticky; top: 100px; }

/* ---------- 17f. İletişim — referans düzen + form ---------- */
.contact-hero { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 76px); align-items: start; }
.contact-lead h2 { font-size: clamp(2rem, 4vw, 3rem); margin: 16px 0 18px; }
.contact-lead > p { color: var(--cream-muted); max-width: 42ch; }
.contact-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px 24px; margin-top: 42px; }
.contact-info h4 { font-family: var(--font-body); font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); margin-bottom: 10px; }
.contact-info a, .contact-info p { display: block; color: var(--cream); font-size: 1rem; font-weight: 500; line-height: 1.55; }
.contact-info a { transition: color 0.25s; }
.contact-info a:hover { color: var(--bronze-bright); }
.contact-socials { display: flex; gap: 10px; }
.contact-socials a { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--ink-line); border-radius: 50%; color: var(--cream-muted); transition: all 0.3s; }
.contact-socials a:hover { border-color: var(--bronze); color: var(--bronze); transform: translateY(-2px); }

.cform { background: var(--ink-soft); border: 1px solid var(--ink-line); border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 44px); position: relative; overflow: hidden; }
.cform::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--bronze); }
.cform h3 { font-size: 1.5rem; margin-bottom: 6px; }
.cform__sub { color: var(--cream-muted); font-size: 0.92rem; margin-bottom: 26px; }
.cform__field { margin-bottom: 20px; }
.cform__field label { display: block; font-size: 0.78rem; color: var(--cream-muted); margin-bottom: 8px; letter-spacing: 0.04em; }
.cform__field input, .cform__field textarea { width: 100%; background: rgba(0,0,0,0.2); border: 1px solid var(--ink-line); border-radius: 8px; color: var(--cream); padding: 13px 14px; font-family: inherit; font-size: 0.98rem; transition: border-color 0.3s, background 0.3s; }
.cform__field input:focus, .cform__field textarea:focus { outline: none; border-color: var(--bronze); background: rgba(0,0,0,0.3); }
.cform__field input::placeholder, .cform__field textarea::placeholder { color: var(--stone); }
.cform__field textarea { resize: vertical; min-height: 120px; }
.cform__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cform .btn { width: 100%; justify-content: center; margin-top: 6px; }

.map-wide { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--ink-line); height: clamp(320px, 40vw, 460px); filter: grayscale(0.25) contrast(1.05); }
.map-wide iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- 17g. Tanıtım filmi (video) ---------- */
.promo__head { max-width: 640px; margin-bottom: clamp(28px, 4vw, 44px); }
.promo__frame { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden; background: var(--ink-soft); border: 1px solid var(--ink-line); }
.promo__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.promo__ph { position: absolute; inset: 0; display: grid; place-items: center; cursor: pointer; }
.promo__ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.promo__ph::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,12,8,0.35), rgba(15,12,8,0.65)); }
.promo__play { position: relative; z-index: 2; width: clamp(66px, 8vw, 92px); height: clamp(66px, 8vw, 92px); border-radius: 50%; background: var(--bronze); display: grid; place-items: center; box-shadow: 0 10px 34px rgba(0,0,0,0.4); transition: transform 0.35s var(--ease), background 0.35s; }
.promo__ph:hover .promo__play { transform: scale(1.08); background: var(--bronze-bright); }
.promo__play svg { width: 32%; height: 32%; margin-left: 3%; color: #1a120a; }
.promo__cap { position: absolute; z-index: 2; left: 26px; bottom: 22px; font-size: 0.86rem; color: var(--cream); font-weight: 500; letter-spacing: 0.02em; text-shadow: 0 2px 10px rgba(0,0,0,0.6); }

/* ---------- 17h. Yönetici mesajı ---------- */
.msg { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.msg__portrait { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 5; background: var(--ink-soft); }
.msg__portrait img { width: 100%; height: 100%; object-fit: cover; }
.msg__quote { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.25; margin: 16px 0 22px; }
.section--light .msg__quote { color: var(--ink-text); }
.msg__body p { color: var(--cream-muted); margin-bottom: 14px; }
.section--light .msg__body p { color: var(--ink-text-2); }
.msg__sign { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--ink-line); }
.section--light .msg__sign { border-color: #e3dccd; }
.msg__sign strong { display: block; font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; }
.section--light .msg__sign strong { color: var(--ink-text); }
.msg__sign span { font-size: 0.9rem; color: var(--bronze); }

/* ---------- 18. Responsive ---------- */
@media (max-width: 1080px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .g-tall, .g-wide, .g-half, .g-third, .g-6 { grid-column: span 6; grid-row: auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav, .header__phone { display: none; }
  .nav-toggle { display: flex; }

  /* Açılır mobil menü */
  .nav.is-mobile-open {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; inset: 0 0 0 auto; width: min(82vw, 340px);
    background: var(--ink); padding: 100px 28px 40px; gap: 6px;
    z-index: 99; box-shadow: -20px 0 60px rgba(0,0,0,0.5);
    animation: slideIn 0.4s var(--ease);
  }
  @keyframes slideIn { from { transform: translateX(100%); } to { transform: none; } }
  .nav.is-mobile-open .nav__link { padding: 14px 16px; font-size: 1.05rem; border-bottom: 1px solid var(--ink-line); border-radius: 0; }
  .nav-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 98; opacity: 0; pointer-events: none; transition: opacity 0.4s; }
  .nav-backdrop.is-on { opacity: 1; pointer-events: auto; }

  .split, .contact-grid, .contact-hero, .cform__row, .svc, .story-grid, .msg { grid-template-columns: 1fr; }
  .msg__portrait { max-width: 340px; }
  .svc--rev .svc__media { order: 0; }
  .services-grid { grid-template-columns: 1fr; }
  .duo { flex-direction: column; }
  .duo__panel--yapi, .duo__panel--alu { flex: 1 1 auto; min-height: 380px; }
  .duo__content, .duo__panel--alu .duo__content { min-width: 0; margin-left: 0; }
  .duo__panel--alu .duo__num { right: auto; left: clamp(34px,4vw,56px); }
  .duo__handle, .duo__hint { display: none; }
  .contact-sticky, .story-aside { position: static; }
  .hero__row { flex-direction: column; align-items: flex-start; }
  .gallery { grid-template-columns: 1fr; }
  .g-tall, .g-wide, .g-half, .g-third, .g-6 { grid-column: span 1; }
}

@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
  .stat-card { flex: 1 1 100%; }
  .cta-band { flex-direction: column; align-items: flex-start; text-align: left; }
}

/* ---------- 19. Erişilebilirlik ---------- */
:focus-visible { outline: 2px solid var(--bronze-bright); outline-offset: 3px; border-radius: 2px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}