/* =========================================================
   DEGA Asansör — Kurumsal Tasarım Sistemi
   Metalik gümüş + altın / endüstriyel şık
   ========================================================= */
:root {
  --bg: #080809;
  --bg-elevated: #101012;
  --bg-panel: #151518;
  --bg-soft: #1c1c21;
  --line: rgba(200, 204, 212, 0.12);
  --line-strong: rgba(200, 204, 212, 0.22);
  --silver: #c8ccd4;
  --silver-bright: #e8eaef;
  --silver-dim: #8b909a;
  --gold: #c9a227;
  --gold-bright: #e0bd45;
  --gold-deep: #8a6f14;
  --chrome: linear-gradient(135deg, #9aa0ab 0%, #e8eaef 35%, #7a808c 55%, #d5d8e0 100%);
  --gold-grad: linear-gradient(135deg, #a8841a 0%, #e0bd45 45%, #c9a227 70%, #8a6f14 100%);
  --text: var(--silver-bright);
  --muted: var(--silver-dim);
  --radius: 2px;
  --nav-h: 84px;
  --font-display: "Rajdhani", "Segoe UI", sans-serif;
  --font-body: "Outfit", "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 24px 60px rgba(0,0,0,.45);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1,h2,h3,h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin: 0 0 0.6em;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

/* ---- Top bar ---- */
.topbar {
  background: #050506;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--muted);
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 8px 0;
  flex-wrap: wrap;
}
.topbar a:hover { color: var(--gold); }
.topbar-left, .topbar-right { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.topbar .emergency { color: var(--gold-bright); font-weight: 600; }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 8, 9, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  transition: background .3s var(--ease), box-shadow .3s;
}
.site-header.scrolled {
  background: rgba(8, 8, 9, 0.96);
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-h);
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.project-visual.has-photo {
  background-size: cover;
  background-position: center;
}
.project-visual.has-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,8,9,.15) 0%, rgba(8,8,9,.92) 100%);
  z-index: 0;
}
.project-visual.has-photo::after { display: none; }

.blog-thumb.has-photo {
  background-size: cover;
  background-position: center;
}
.blog-thumb.has-photo::after { display: none; }

.split-visual.has-photo {
  background-size: cover;
  background-position: center;
}
.split-visual .split-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8,8,9,.55), rgba(8,8,9,.25));
  z-index: 0;
}
.split-visual.has-photo .shaft {
  z-index: 1;
  border-color: rgba(232,234,239,.35);
  background: linear-gradient(180deg, rgba(10,10,12,.75), rgba(26,26,34,.85));
}

.detail-hero-image {
  width: 100%;
  height: min(420px, 50vh);
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
  margin-bottom: 36px;
}

.slide-bg {
  background-color: #0a0a0c;
}
.slide-bg:not([class*="atm-"]) {
  background-size: cover;
  background-position: center;
}
.slide-bg:not([class*="atm-"])::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8,8,9,.72) 0%, rgba(8,8,9,.28) 48%, rgba(8,8,9,.18) 100%);
}

.brand img {
  height: 72px;
  width: auto;
  filter: drop-shadow(0 2px 10px rgba(201,162,39,.2));
}
@media (max-width: 760px) {
  .brand img { height: 56px; }
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.18em;
  background: var(--chrome);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-text span {
  font-size: 0.68rem;
  color: var(--gold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu > li { position: relative; }
.nav-menu > li > a,
.nav-menu > li > button.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silver);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color .25s;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active,
.nav-menu > li > button:hover {
  color: var(--gold-bright);
}
.nav-menu .submenu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .25s var(--ease);
  box-shadow: var(--shadow);
}
.nav-menu > li:hover .submenu,
.nav-menu > li:focus-within .submenu {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.submenu a {
  display: block;
  padding: 10px 18px;
  font-size: 0.92rem;
  color: var(--silver);
}
.submenu a:hover { color: var(--gold); background: rgba(201,162,39,.06); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--gold-grad);
  color: #111 !important;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 0;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: filter .25s, transform .25s;
}
.nav-cta:hover { filter: brightness(1.1); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute; left: 10px; right: 10px; height: 2px;
  background: var(--silver); transition: .25s;
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 28px; }
.nav-toggle.open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 0;
  cursor: pointer;
  transition: .3s var(--ease);
}
.btn-gold {
  background: var(--gold-grad);
  color: #111;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.btn-gold:hover { filter: brightness(1.08); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--silver-bright);
  border: 1px solid var(--line-strong);
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-group { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---- Elevator Hero Slider ---- */
.hero-slider {
  position: relative;
  height: min(92vh, 860px);
  min-height: 560px;
  overflow: hidden;
  background: #050506;
}
.hero-slider::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8,8,9,.55) 0%, rgba(8,8,9,.18) 50%, rgba(8,8,9,.08) 100%),
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 78px,
      rgba(200,204,212,.025) 78px,
      rgba(200,204,212,.025) 80px
    );
  z-index: 2;
  pointer-events: none;
}
.hero-slider::after {
  /* shaft rails */
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 18%;
  width: 2px;
  background: linear-gradient(to bottom, transparent, rgba(201,162,39,.35), transparent);
  z-index: 3;
  pointer-events: none;
  opacity: .5;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(40px);
  transition: opacity .9s var(--ease), transform 1.1s var(--ease), visibility .9s;
  z-index: 1;
}
.slide.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  z-index: 1;
}
.slide.leaving {
  opacity: 0;
  transform: translateY(-60px);
}

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.12);
  transition: transform 8.5s linear;
}
.slide.active .slide-bg { transform: scale(1.02); }

/* Procedural elevator atmospheres when no image */
.slide-bg.atm-1 {
  background:
    radial-gradient(ellipse at 70% 40%, rgba(201,162,39,.18), transparent 50%),
    linear-gradient(160deg, #0d0d10 0%, #1a1c24 40%, #0a0a0c 100%);
}
.slide-bg.atm-1::before {
  content: "";
  position: absolute;
  inset: 10% 45% 10% 20%;
  border: 1px solid rgba(200,204,212,.15);
  background: linear-gradient(180deg, rgba(200,204,212,.05), transparent 40%, rgba(201,162,39,.06));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  animation: cabinPulse 6s ease-in-out infinite;
}
.slide-bg.atm-2 {
  background:
    radial-gradient(ellipse at 60% 60%, rgba(120,140,180,.15), transparent 45%),
    linear-gradient(145deg, #09090b, #161820 50%, #08080a);
}
.slide-bg.atm-2::before {
  content: "";
  position: absolute;
  right: 12%; top: 15%; bottom: 15%; width: 28%;
  background:
    repeating-linear-gradient(-35deg, transparent 0 28px, rgba(200,204,212,.08) 28px 30px),
    linear-gradient(180deg, rgba(201,162,39,.2), transparent);
  border-left: 2px solid rgba(201,162,39,.45);
  transform: skewY(-8deg);
}
.slide-bg.atm-3 {
  background:
    radial-gradient(circle at 55% 30%, rgba(232,234,239,.08), transparent 40%),
    linear-gradient(180deg, #0c0c0e, #12141a 60%, #080809);
}
.slide-bg.atm-3::after {
  content: "";
  position: absolute;
  left: 50%; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(to bottom, var(--gold), transparent, var(--silver));
  opacity: .35;
  animation: shaftTravel 4s ease-in-out infinite;
}

@keyframes cabinPulse {
  0%, 100% { opacity: .7; }
  50% { opacity: 1; }
}
@keyframes shaftTravel {
  0% { transform: translateX(-50%) scaleY(.3); transform-origin: top; opacity: .2; }
  50% { transform: translateX(-50%) scaleY(1); opacity: .5; }
  100% { transform: translateX(-50%) scaleY(.3); transform-origin: bottom; opacity: .2; }
}

.slide-content {
  position: relative;
  z-index: 4;
  height: 100%;
  display: flex;
  align-items: center;
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
  padding-top: 40px;
}
.slide-copy {
  max-width: 640px;
}
.floor-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  color: var(--gold);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
}
.floor-badge .num {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold-bright);
  font-size: 1.2rem;
  box-shadow: inset 0 0 20px rgba(201,162,39,.15);
}
.slide-copy h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  margin-bottom: 18px;
  color: #fff;
  text-shadow: 0 4px 30px rgba(0,0,0,.5);
}
.slide-copy h1 .accent {
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.slide-copy p {
  font-size: 1.1rem;
  color: var(--silver);
  max-width: 520px;
  margin-bottom: 32px;
}

/* Floor panel indicator */
.floor-panel {
  position: absolute;
  right: max(24px, calc((100% - 1180px) / 2));
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 12px;
  background: rgba(10,10,12,.7);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
}
.floor-dot {
  width: 36px; height: 36px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
  transition: .25s;
}
.floor-dot.active, .floor-dot:hover {
  border-color: var(--gold);
  color: var(--gold-bright);
  box-shadow: inset 0 0 12px rgba(201,162,39,.2);
}

.slider-progress {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  z-index: 6;
  background: rgba(255,255,255,.08);
}
.slider-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--gold-grad);
}

.elevator-doors {
  position: absolute;
  inset: 0;
  z-index: 7;
  pointer-events: none;
  display: none;
}
.elevator-doors.animating { display: flex; }
.door-left, .door-right {
  flex: 1;
  background: linear-gradient(90deg, #1a1a1e, #2a2a30 40%, #151518);
  border: 1px solid rgba(200,204,212,.2);
}
.door-left { animation: doorOpenL .7s var(--ease) forwards; }
.door-right { animation: doorOpenR .7s var(--ease) forwards; }
@keyframes doorOpenL {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}
@keyframes doorOpenR {
  from { transform: translateX(0); }
  to { transform: translateX(100%); }
}

/* ---- Sections common ---- */
.section {
  padding: 100px 0;
  position: relative;
}
.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head.center {
  margin-inline: auto;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  color: #fff;
}
.section-head p { color: var(--muted); font-size: 1.05rem; }

.metal-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--silver), transparent);
  opacity: .45;
  margin: 0 auto;
  max-width: 200px;
}

/* ---- Services grid ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  padding: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  transition: .35s var(--ease);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card:not(.has-media) { padding: 32px 28px; }
.service-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.service-body .more { margin-top: auto; }
.service-media {
  height: 180px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.service-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8,8,9,.55));
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.service-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px;
  color: var(--gold);
  margin-bottom: 20px;
}
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 {
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 10px;
}
.service-card p { color: var(--muted); margin: 0 0 20px; font-size: 0.95rem; }
.service-card .more {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--gold);
}
.service-card .more::after { content: " →"; }

/* ---- Stats (elevator counter feel) ---- */
.stats-band {
  background:
    linear-gradient(180deg, rgba(201,162,39,.06), transparent),
    var(--bg-panel);
  border-block: 1px solid var(--line);
  padding: 64px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item .num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 700;
  background: var(--chrome);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.stat-item .num .sfx { color: var(--gold); -webkit-text-fill-color: var(--gold); }
.stat-item .label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-display);
}

/* ---- Projects ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  position: relative;
  min-height: 340px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.project-visual {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 20%, rgba(8,8,9,.95) 100%),
    radial-gradient(ellipse at 50% 30%, rgba(201,162,39,.2), transparent 55%),
    linear-gradient(145deg, #141418, #0c0c10);
}
.project-visual::after {
  content: "";
  position: absolute;
  left: 50%; top: 18%;
  width: 70px; height: 120px;
  transform: translateX(-50%);
  border: 2px solid rgba(200,204,212,.25);
  background: linear-gradient(180deg, rgba(232,234,239,.08), rgba(201,162,39,.1));
  box-shadow: 0 0 40px rgba(201,162,39,.1);
}
.project-card:nth-child(2) .project-visual::after {
  width: 100px; height: 80px;
  clip-path: polygon(0 100%, 30% 40%, 100% 40%, 100% 100%);
  border: 0;
  background: linear-gradient(135deg, rgba(201,162,39,.35), rgba(200,204,212,.15));
}
.project-body {
  position: relative;
  z-index: 1;
  padding: 28px;
}
.project-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 8px;
}
.project-body h3 { font-size: 1.35rem; color: #fff; }
.project-body p { color: var(--muted); font-size: 0.92rem; margin: 0 0 14px; }
.project-card:hover { border-color: rgba(201,162,39,.35); }
.project-card:hover .project-visual { filter: brightness(1.1); }

/* ---- Why / about strip ---- */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.split-visual {
  position: relative;
  min-height: 420px;
  background:
    radial-gradient(ellipse at 40% 40%, rgba(201,162,39,.15), transparent 50%),
    var(--bg-panel);
  border: 1px solid var(--line);
  overflow: hidden;
}
.split-visual .shaft {
  position: absolute;
  left: 50%; top: 8%; bottom: 8%;
  width: 120px;
  transform: translateX(-50%);
  border: 2px solid rgba(200,204,212,.2);
  background: linear-gradient(180deg, #0a0a0c, #1a1a22);
}
.split-visual .cabin {
  position: absolute;
  left: 8px; right: 8px;
  height: 90px;
  background: linear-gradient(180deg, #2a2a32, #121216);
  border: 1px solid rgba(201,162,39,.4);
  animation: cabinRide 7s var(--ease) infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}
.split-visual .cabin span {
  font-family: var(--font-display);
  color: var(--gold);
  letter-spacing: 0.2em;
  font-weight: 700;
}
@keyframes cabinRide {
  0%, 100% { top: 12%; }
  50% { top: calc(100% - 110px); }
}
.feature-list { display: grid; gap: 18px; margin-top: 28px; }
.feature-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.feature-list .fi {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-display);
  font-weight: 700;
}
.feature-list h4 { margin: 0 0 4px; color: #fff; font-size: 1.1rem; }
.feature-list p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* ---- Testimonials ---- */
.testimonial-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial {
  padding: 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
}
.testimonial .stars { color: var(--gold); letter-spacing: 2px; margin-bottom: 12px; }
.testimonial p { color: var(--silver); font-size: 0.98rem; margin: 0 0 18px; }
.testimonial strong { color: #fff; display: block; }
.testimonial span { color: var(--muted); font-size: 0.85rem; }

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item button {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: 22px 40px 22px 0;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  position: relative;
}
.faq-item button::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 1.4rem;
}
.faq-item.open button::after { content: "–"; }
.faq-item .answer {
  display: none;
  padding: 0 0 22px;
  color: var(--muted);
}
.faq-item.open .answer { display: block; }

/* ---- Blog cards ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.blog-card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: .3s;
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.blog-thumb {
  height: 180px;
  background:
    linear-gradient(135deg, rgba(201,162,39,.15), transparent),
    var(--bg-soft);
  position: relative;
}
.blog-thumb::after {
  content: "";
  position: absolute;
  inset: 30% 40%;
  border: 1px solid rgba(200,204,212,.3);
}
.blog-card .body { padding: 22px; }
.blog-card time { color: var(--gold); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-display); }
.blog-card h3 { font-size: 1.2rem; margin: 8px 0 10px; color: #fff; }
.blog-card p { color: var(--muted); font-size: 0.92rem; margin: 0; }

/* ---- CTA band ---- */
.cta-band {
  position: relative;
  padding: 80px 0;
  background:
    linear-gradient(180deg, rgba(8,8,9,.82), rgba(8,8,9,.9)),
    url('../images/about/skyline.jpg') center/cover no-repeat;
  border-block: 1px solid var(--line);
  text-align: center;
  overflow: hidden;
}
.cta-band h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); color: #fff; }
.cta-band p { color: var(--muted); max-width: 520px; margin: 0 auto 28px; }

/* ---- Page hero (inner) ---- */
.page-hero {
  padding: 72px 0 56px;
  background:
    linear-gradient(180deg, rgba(201,162,39,.08), transparent),
    var(--bg);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  right: 10%; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(to bottom, transparent, var(--gold), transparent);
  opacity: .4;
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); color: #fff; }
.breadcrumb {
  display: flex; gap: 8px; flex-wrap: wrap;
  color: var(--muted); font-size: 0.88rem; margin-bottom: 14px;
}
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: var(--silver); }

/* ---- Content ---- */
.content-block { padding: 64px 0; }
.prose { max-width: 760px; color: var(--silver); }
.prose h3 { color: #fff; margin-top: 1.6em; }
.prose ul { list-style: disc; padding-left: 1.2em; margin: 1em 0; }
.prose li { margin: 0.4em 0; }
.prose a { color: var(--gold); }

/* ---- Forms ---- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-field label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .25s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--gold);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.alert {
  padding: 14px 18px;
  margin-bottom: 20px;
  border: 1px solid;
}
.alert-success { background: #0f2218; border-color: #2d5a3d; color: #a8e6c1; }
.alert-error { background: #2a1212; border-color: #6b2a2a; color: #ffb4b4; }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
}
.contact-info {
  display: grid;
  gap: 20px;
  align-content: start;
}
.info-card {
  padding: 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
}
.info-card h3 {
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.info-card p, .info-card a { color: var(--silver); margin: 0; }
.map-wrap {
  margin-top: 40px;
  border: 1px solid var(--line);
  overflow: hidden;
  min-height: 320px;
}
.map-wrap iframe { width: 100%; height: 360px; border: 0; filter: grayscale(1) contrast(1.1); }

/* ---- Footer ---- */
.site-footer {
  background: #050506;
  border-top: 1px solid var(--line);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 36px;
  padding-bottom: 48px;
}
.footer-brand img { height: 72px; margin-bottom: 16px; width: auto; }
.footer-brand p { color: var(--muted); font-size: 0.92rem; max-width: 280px; }
.footer-col h4 {
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  color: var(--silver-dim);
  padding: 5px 0;
  font-size: 0.92rem;
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.85rem;
}
.socials { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.socials a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--silver);
  transition: .25s var(--ease);
}
.socials a svg { width: 18px; height: 18px; display: block; }
.socials a:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.socials a.social-instagram:hover { color: #e1306c; border-color: #e1306c; }
.socials a.social-facebook:hover { color: #1877f2; border-color: #1877f2; }
.socials a.social-linkedin:hover { color: #0a66c2; border-color: #0a66c2; }
.socials a.social-youtube:hover { color: #ff0000; border-color: #ff0000; }
.socials a.social-whatsapp:hover { color: #25d366; border-color: #25d366; }

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 180;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 12px 14px;
  background: #25d366;
  color: #fff !important;
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(37, 211, 102, .35);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: .85rem;
  transition: transform .25s var(--ease), box-shadow .25s;
}
.whatsapp-float svg { width: 26px; height: 26px; }
.whatsapp-float:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 16px 36px rgba(37, 211, 102, .45); }
@media (max-width: 600px) {
  .whatsapp-float span { display: none; }
  .whatsapp-float { padding: 14px; border-radius: 50%; }
  .cookie-banner { bottom: 84px; }
}

/* ---- Cookie banner ---- */
.cookie-banner {
  position: fixed;
  left: 20px; right: 20px; bottom: 20px;
  z-index: 200;
  max-width: 720px;
  margin-inline: auto;
  background: rgba(16,16,18,.96);
  border: 1px solid var(--line-strong);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  display: none;
  backdrop-filter: blur(12px);
}
.cookie-banner.show { display: block; animation: rise .4s var(--ease); }
@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
.cookie-banner h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 8px;
}
.cookie-banner p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 16px;
}
.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cookie-actions .btn { padding: 10px 18px; font-size: 0.85rem; }
.cookie-panel {
  display: none;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.cookie-panel.open { display: block; }
.cookie-opt {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--silver);
}

/* ---- Reveal animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ---- 404 ---- */
.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 80px 20px;
}
.error-page .code {
  font-family: var(--font-display);
  font-size: 6rem;
  background: var(--chrome);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

/* ---- Responsive ---- */
.detail-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}
.aside-link {
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.detail-hero-image { max-width: 100%; height: auto; }

@media (max-width: 1100px) {
  .container { width: min(1180px, calc(100% - 32px)); }
}

@media (max-width: 980px) {
  .services-grid,
  .projects-grid,
  .blog-grid,
  .testimonial-track { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .split, .contact-layout, .footer-grid, .detail-layout { grid-template-columns: 1fr; }
  .floor-panel { display: none; }
  .nav-cta.desktop-only { display: none; }
  .slide-copy { max-width: 100%; padding-right: 12px; }
  .slide-copy h1 { font-size: clamp(1.9rem, 6vw, 3rem); }
  .page-hero { padding: 48px 0 36px; }
  .section { padding: 72px 0; }
}

@media (max-width: 760px) {
  :root { --nav-h: 72px; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed;
    inset: calc(var(--nav-h) + 8px) 0 auto 0;
    background: rgba(8,8,9,.98);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 28px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: .35s var(--ease);
    max-height: calc(100vh - 80px);
    overflow: auto;
    z-index: 120;
  }
  .nav-menu.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .nav-menu .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    background: transparent;
    padding-left: 12px;
    display: none;
  }
  .nav-menu > li.open .submenu { display: block; }
  .services-grid,
  .projects-grid,
  .blog-grid,
  .testimonial-track,
  .form-grid,
  .stats-grid { grid-template-columns: 1fr; }
  .hero-slider { min-height: 520px; height: 78vh; }
  .brand-text { display: none; }
  .brand img { height: 52px; }
  .topbar { display: none; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .btn-group { width: 100%; }
  .btn { width: 100%; justify-content: center; }
  .btn-group .btn { clip-path: none; }
  .project-card { min-height: 300px; }
  .service-media { height: 160px; }
  .map-wrap iframe { height: 280px; }
  .prose { max-width: 100%; }
  .detail-hero-image { height: auto; max-height: 280px; object-fit: cover; width: 100%; }
  .cookie-banner { left: 12px; right: 12px; bottom: 88px; padding: 18px; }
  .cookie-actions { flex-direction: column; }
  .cookie-actions .btn { width: 100%; clip-path: none; }
  .faq-item button { font-size: 1rem; padding-right: 32px; }
  .cta-band { padding: 56px 0; }
  .info-card { padding: 18px; }
}

@media (max-width: 420px) {
  .container { width: calc(100% - 24px); }
  .hero-slider { min-height: 480px; height: 72vh; }
  .floor-badge .num { width: 40px; height: 40px; }
  .whatsapp-float { right: 14px; bottom: 14px; }
}

/* Markalar / belgeler / kariyer / katalog / sayfalama */
.brands-section { padding-block: 48px; border-block: 1px solid var(--line); background: var(--bg-elevated); }
.brands-strip {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 28px;
}
.brand-chip {
  min-width: 120px; min-height: 64px; padding: 14px 20px;
  display: grid; place-items: center;
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  color: var(--silver); text-decoration: none;
  font-family: var(--font-display); letter-spacing: .08em; text-transform: uppercase; font-weight: 600;
  transition: border-color .25s, color .25s;
}
.brand-chip:hover { border-color: var(--gold); color: var(--gold); }
.brand-chip img { max-height: 36px; max-width: 110px; object-fit: contain; filter: grayscale(1) brightness(1.2); }
.brand-chip:hover img { filter: none; }

.certs-grid, .catalog-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.cert-card, .catalog-card {
  border: 1px solid var(--line); background: var(--bg-panel); overflow: hidden;
}
.cert-media, .catalog-cover {
  height: 160px; background: linear-gradient(135deg, #1a1a1f, #0e0e12) center/cover no-repeat;
}
.cert-media.placeholder::after {
  content: 'DEGA'; display: grid; place-items: center; height: 100%;
  font-family: var(--font-display); letter-spacing: .2em; color: var(--gold); opacity: .5;
}
.cert-body, .catalog-body { padding: 18px 20px 22px; }
.cert-body h3, .catalog-body h3 { margin: 0 0 8px; font-size: 1.05rem; }
.cert-body p, .catalog-body p { margin: 0; color: var(--muted); font-size: .92rem; }
.cert-year { display: inline-block; margin-top: 10px; color: var(--gold); font-size: .85rem; }
.cert-body .more { display: inline-block; margin-top: 12px; color: var(--gold); }

.career-list { display: grid; gap: 14px; }
.career-card {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 22px 24px; border: 1px solid var(--line); background: var(--bg-panel);
  text-decoration: none; color: inherit; transition: border-color .25s;
}
.career-card:hover { border-color: var(--gold); }
.career-card h3 { margin: 0 0 6px; }
.career-meta { display: flex; gap: 14px; color: var(--muted); font-size: .9rem; margin: 0; }
.career-card .more { color: var(--gold); white-space: nowrap; }

.pagination {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 36px;
}
.pagination a {
  min-width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid var(--line); color: var(--silver); text-decoration: none;
  font-family: var(--font-display);
}
.pagination a.active, .pagination a:hover {
  border-color: var(--gold); color: var(--gold);
}

@media (max-width: 980px) {
  .certs-grid, .catalog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .certs-grid, .catalog-grid { grid-template-columns: 1fr; }
  .career-card { flex-direction: column; align-items: flex-start; }
}