/* ============================================================
   GETEKON KALIP — Kurumsal Web Sitesi
   Ana Stil Dosyası (özgün, modüler)
   ============================================================ */

/* ---------- 1. Tasarım Değişkenleri (Tokens) ---------- */
:root {
  --gk-navy: #0F2942;
  --gk-navy-700: #12324f;
  --gk-navy-900: #0a1d2f;
  --gk-orange: #F58220;
  --gk-orange-600: #e07314;
  --gk-orange-light: #ff9a3d;
  --gk-white: #ffffff;
  --gk-gray-50: #f7f9fb;
  --gk-gray-100: #eef2f6;
  --gk-gray-200: #dde4ec;
  --gk-gray-400: #9aa7b5;
  --gk-gray-600: #5c6b7a;
  --gk-gray-800: #2c3a47;
  --gk-text: #243441;
  --gk-muted: #6a7888;

  --gk-radius-sm: 8px;
  --gk-radius: 14px;
  --gk-radius-lg: 22px;

  --gk-shadow-sm: 0 4px 14px rgba(15, 41, 66, 0.06);
  --gk-shadow: 0 12px 34px rgba(15, 41, 66, 0.10);
  --gk-shadow-lg: 0 26px 60px rgba(15, 41, 66, 0.16);

  --gk-grad-orange: linear-gradient(135deg, #F58220 0%, #ff9a3d 100%);
  --gk-grad-navy: linear-gradient(135deg, #0F2942 0%, #1b4368 100%);

  --gk-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --gk-header-h: 96px;

  --gk-font: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--gk-header-h); }

body {
  font-family: var(--gk-font);
  color: var(--gk-text);
  background: var(--gk-white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: color .25s var(--gk-ease); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.2; color: var(--gk-navy); letter-spacing: -0.01em; }

::selection { background: var(--gk-orange); color: #fff; }

/* ---------- 3. Yardımcı Sınıflar (Utilities) ---------- */
.gk-container { width: 100%; max-width: 1240px; margin-inline: auto; padding-inline: 22px; }

.gk-section { padding: 110px 0; position: relative; }
.gk-section--tight { padding: 80px 0; }
.gk-section--gray { background: var(--gk-gray-50); }
.gk-section--navy { background: var(--gk-navy); color: #fff; }
.gk-section--navy h1, .gk-section--navy h2, .gk-section--navy h3 { color: #fff; }

.gk-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gk-orange); margin-bottom: 16px;
}
.gk-eyebrow::before { content: ""; width: 30px; height: 2px; background: var(--gk-orange); border-radius: 2px; }

.gk-title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 18px; }
.gk-lead { font-size: 1.06rem; color: var(--gk-muted); max-width: 640px; }

.gk-head { margin-bottom: 56px; }
.gk-head--center { text-align: center; }
.gk-head--center .gk-lead { margin-inline: auto; }
.gk-head--center .gk-eyebrow::before { display: none; }

.text-orange { color: var(--gk-orange) !important; }
.bg-soft { background: var(--gk-gray-50); }

/* ---------- 4. Butonlar ---------- */
.gk-btn {
  --b-bg: var(--gk-orange);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 30px; border-radius: 50px; font-weight: 600; font-size: .96rem;
  border: 2px solid transparent; cursor: pointer; position: relative; overflow: hidden;
  transition: transform .3s var(--gk-ease), box-shadow .3s var(--gk-ease), background .3s, color .3s;
  white-space: nowrap;
}
.gk-btn i { transition: transform .3s var(--gk-ease); }
.gk-btn:hover i { transform: translateX(4px); }

.gk-btn--primary { background: var(--gk-grad-orange); color: #fff; box-shadow: 0 10px 26px rgba(245, 130, 32, .32); }
.gk-btn--primary:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(245, 130, 32, .42); color: #fff; }

.gk-btn--outline { background: transparent; border-color: rgba(255,255,255,.55); color: #fff; }
.gk-btn--outline:hover { background: #fff; color: var(--gk-navy); transform: translateY(-3px); }

.gk-btn--ghost { background: var(--gk-gray-100); color: var(--gk-navy); }
.gk-btn--ghost:hover { background: var(--gk-navy); color: #fff; transform: translateY(-3px); }

.gk-btn--lg { padding: 16px 36px; font-size: 1.02rem; }

/* ---------- 5. Header / Navigasyon ---------- */
.gk-header {
  position: fixed; inset: 0 0 auto 0; z-index: 1000; height: var(--gk-header-h);
  display: flex; align-items: center;
  transition: background .35s var(--gk-ease), box-shadow .35s var(--gk-ease), height .35s var(--gk-ease);
}
.gk-header__inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.gk-header--transparent { background: linear-gradient(180deg, rgba(10,29,47,.55), rgba(10,29,47,0)); }
.gk-header.is-scrolled {
  background: rgba(255, 255, 255, .85);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  backdrop-filter: saturate(180%) blur(16px);
  box-shadow: var(--gk-shadow-sm); height: 80px;
}

.gk-logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.3rem; color: #fff; letter-spacing: -.02em; }
.gk-header.is-scrolled .gk-logo { color: var(--gk-navy); }
.gk-logo__mark {
  width: 44px; height: 44px; border-radius: 12px; background: var(--gk-grad-orange);
  display: grid; place-items: center; color: #fff; font-size: 1.15rem; flex-shrink: 0;
  box-shadow: 0 8px 18px rgba(245,130,32,.35);
}
.gk-logo span { color: var(--gk-orange); }
.gk-logo small { display: block; font-size: .62rem; font-weight: 500; letter-spacing: .22em; opacity: .8; text-transform: uppercase; }

/* Görsel logo (beyaz zeminli logo için temiz kart görünümü) */
.gk-logo--img { gap: 0; }
.gk-logo--img img {
  height: 66px; width: auto; display: block;
  background: #fff; border-radius: 11px; padding: 7px 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,.12);
}
.gk-header.is-scrolled .gk-logo--img img { height: 56px; box-shadow: none; padding: 5px 12px; }
@media (max-width: 600px){ .gk-logo--img img { height: 50px; } }

.gk-nav { display: flex; align-items: center; gap: 4px; }
.gk-nav__link {
  position: relative; padding: 10px 16px; font-weight: 500; font-size: .95rem; color: rgba(255,255,255,.92); border-radius: 8px;
}
.gk-header.is-scrolled .gk-nav__link { color: var(--gk-gray-800); }
.gk-nav__link::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 2px;
  background: var(--gk-orange); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform .3s var(--gk-ease);
}
.gk-nav__link:hover, .gk-nav__link.is-active { color: var(--gk-orange); }
.gk-nav__link:hover::after, .gk-nav__link.is-active::after { transform: scaleX(1); }

.gk-header__cta { display: flex; align-items: center; gap: 14px; }
.gk-header__phone { display: flex; align-items: center; gap: 9px; font-weight: 600; color: #fff; font-size: .92rem; }
.gk-header.is-scrolled .gk-header__phone { color: var(--gk-navy); }
.gk-header__phone i { color: var(--gk-orange); }

.gk-burger { display: none; width: 46px; height: 46px; border: none; background: rgba(255,255,255,.14); border-radius: 10px; cursor: pointer; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.gk-burger span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: .3s var(--gk-ease); }
.gk-header.is-scrolled .gk-burger { background: var(--gk-gray-100); }
.gk-header.is-scrolled .gk-burger span { background: var(--gk-navy); }
.gk-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.gk-burger.is-open span:nth-child(2) { opacity: 0; }
.gk-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobil menü */
.gk-mobile-nav {
  position: fixed; inset: 0; z-index: 999; background: var(--gk-navy-900);
  display: flex; flex-direction: column; justify-content: center; padding: 40px 30px;
  transform: translateX(100%); transition: transform .45s var(--gk-ease); visibility: hidden;
}
.gk-mobile-nav.is-open { transform: translateX(0); visibility: visible; }
.gk-mobile-nav a { color: #fff; font-size: 1.45rem; font-weight: 600; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); display: flex; justify-content: space-between; align-items: center; }
.gk-mobile-nav a i { color: var(--gk-orange); font-size: 1rem; }
.gk-mobile-nav a:hover { color: var(--gk-orange); }
.gk-mobile-nav__cta { margin-top: 34px; }

/* ---------- 6. Hero ---------- */
.gk-hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  color: #fff; padding-top: var(--gk-header-h); overflow: hidden;
}
.gk-hero__bg { position: absolute; inset: 0; z-index: -2; }
.gk-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.gk-hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(115deg, rgba(10,29,47,.96) 0%, rgba(15,41,66,.86) 45%, rgba(15,41,66,.55) 100%);
}
/* Görsel yokken çalışan endüstriyel desen fallback */
.gk-hero__bg--pattern {
  background: var(--gk-navy-900);
  background-image:
    radial-gradient(circle at 18% 30%, rgba(245,130,32,.18) 0, transparent 38%),
    radial-gradient(circle at 82% 70%, rgba(27,67,104,.55) 0, transparent 45%),
    linear-gradient(135deg, #0a1d2f 0%, #12324f 100%);
}
.gk-hero__bg--pattern::after { background: linear-gradient(115deg, rgba(10,29,47,.6), rgba(10,29,47,.2)); }

.gk-hero__grid-lines {
  position: absolute; inset: 0; z-index: -1; opacity: .35;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 30% 50%, #000, transparent 75%);
  mask-image: radial-gradient(circle at 30% 50%, #000, transparent 75%);
}

.gk-hero__content { max-width: 760px; }
.gk-hero__badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px; border-radius: 50px;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-size: .82rem; font-weight: 500; letter-spacing: .04em; margin-bottom: 26px;
}
.gk-hero__badge i { color: var(--gk-orange); }
.gk-hero h1 { color: #fff; font-size: clamp(2.1rem, 5vw, 3.6rem); margin-bottom: 22px; }
.gk-hero h1 .hl { color: var(--gk-orange); position: relative; }
.gk-hero__sub { font-size: 1.14rem; color: rgba(255,255,255,.82); max-width: 600px; margin-bottom: 38px; }
.gk-hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }

.gk-hero__stats {
  display: flex; gap: 42px; margin-top: 58px; padding-top: 34px; border-top: 1px solid rgba(255,255,255,.14); flex-wrap: wrap;
}
.gk-hero__stat b { display: block; font-size: 2rem; color: #fff; line-height: 1; }
.gk-hero__stat span { font-size: .86rem; color: rgba(255,255,255,.62); }

.gk-scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,.6); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
}
.gk-scroll-hint span { width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.4); border-radius: 14px; position: relative; }
.gk-scroll-hint span::after { content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; background: var(--gk-orange); border-radius: 4px; animation: gkScroll 1.8s infinite; }
@keyframes gkScroll { 0% { opacity: 0; top: 7px; } 40% { opacity: 1; } 80% { opacity: 0; top: 22px; } 100% { opacity: 0; } }

/* ---------- 7. Sayfa Başlığı (iç sayfa hero) ---------- */
.gk-pagehead {
  position: relative; padding: calc(var(--gk-header-h) + 70px) 0 70px; color: #fff; overflow: hidden;
  background: var(--gk-navy-900);
  background-image:
    radial-gradient(circle at 85% 20%, rgba(245,130,32,.16) 0, transparent 40%),
    linear-gradient(120deg, #0a1d2f 0%, #14375a 100%);
}
.gk-pagehead::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px; -webkit-mask-image: radial-gradient(circle at 80% 30%, #000, transparent 70%); mask-image: radial-gradient(circle at 80% 30%, #000, transparent 70%);
}
.gk-pagehead__inner { position: relative; z-index: 1; }
.gk-pagehead h1 { color: #fff; font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: 14px; }
.gk-breadcrumb { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: rgba(255,255,255,.7); }
.gk-breadcrumb a:hover { color: var(--gk-orange); }
.gk-breadcrumb i { font-size: .7rem; opacity: .6; }
.gk-breadcrumb .current { color: var(--gk-orange); }

/* ---------- 8. Hizmet Kartları ---------- */
.gk-grid { display: grid; gap: 26px; }
.gk-grid--3 { grid-template-columns: repeat(3, 1fr); }
.gk-grid--4 { grid-template-columns: repeat(4, 1fr); }
.gk-grid--2 { grid-template-columns: repeat(2, 1fr); }

.gk-service {
  position: relative; background: #fff; border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius-lg);
  padding: 38px 32px; overflow: hidden; transition: transform .4s var(--gk-ease), box-shadow .4s var(--gk-ease), border-color .4s;
}
.gk-service::before {
  content: ""; position: absolute; left: 0; top: 0; height: 100%; width: 4px; background: var(--gk-grad-orange);
  transform: scaleY(0); transform-origin: top; transition: transform .4s var(--gk-ease);
}
.gk-service:hover { transform: translateY(-8px); box-shadow: var(--gk-shadow-lg); border-color: transparent; }
.gk-service:hover::before { transform: scaleY(1); }
.gk-service__icon {
  width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center; font-size: 1.6rem;
  background: rgba(245,130,32,.10); color: var(--gk-orange); margin-bottom: 22px; transition: .4s var(--gk-ease);
}
/* Hizmet görseli (ikon yerine) */
.gk-service__img { width: 100%; aspect-ratio: 16/10; border-radius: 14px; overflow: hidden; margin-bottom: 22px; background: var(--gk-grad-navy); }
.gk-service__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--gk-ease); }
.gk-service--media:hover .gk-service__img img { transform: scale(1.06); }
.gk-service:hover .gk-service__icon { background: var(--gk-grad-orange); color: #fff; transform: rotate(-6deg) scale(1.05); }
.gk-service h3 { font-size: 1.2rem; margin-bottom: 12px; }
.gk-service p { color: var(--gk-muted); font-size: .95rem; margin-bottom: 18px; }
.gk-service__link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: .9rem; color: var(--gk-navy); }
.gk-service__link i { transition: transform .3s var(--gk-ease); }
.gk-service:hover .gk-service__link { color: var(--gk-orange); }
.gk-service:hover .gk-service__link i { transform: translateX(5px); }

/* ---------- 9. Hakkımızda blok ---------- */
.gk-about { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.gk-about__visual { position: relative; }
.gk-about__img { border-radius: var(--gk-radius-lg); overflow: hidden; box-shadow: var(--gk-shadow-lg); aspect-ratio: 4/5; }
.gk-about__img.gk-imgph { background: var(--gk-grad-navy); }
.gk-about__img:has(.gk-about__logo) { background: #fff; }
.gk-about__logo {
  width: 100%; height: 100%; object-fit: contain; padding: 52px; background: #fff;
}
.gk-about__badge {
  position: absolute; right: -22px; bottom: 38px; background: var(--gk-grad-orange); color: #fff;
  padding: 24px 28px; border-radius: var(--gk-radius); box-shadow: var(--gk-shadow-lg); text-align: center;
}
.gk-about__badge b { font-size: 2.4rem; line-height: 1; display: block; }
.gk-about__badge span { font-size: .82rem; opacity: .92; }

.gk-feature-list { display: grid; gap: 18px; margin-top: 30px; }
.gk-feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.gk-feature-list .ic { flex-shrink: 0; width: 42px; height: 42px; border-radius: 11px; background: rgba(15,41,66,.06); color: var(--gk-navy); display: grid; place-items: center; }
.gk-feature-list h4 { font-size: 1.03rem; margin-bottom: 3px; }
.gk-feature-list p { font-size: .92rem; color: var(--gk-muted); margin: 0; }

/* ---------- 10. Neden Biz ---------- */
.gk-why { background: var(--gk-grad-navy); color: #fff; position: relative; overflow: hidden; }
.gk-why::before { content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; background: radial-gradient(circle, rgba(245,130,32,.20), transparent 70%); }
.gk-reason {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.10); border-radius: var(--gk-radius);
  padding: 30px 26px; transition: .4s var(--gk-ease); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.gk-reason:hover { background: rgba(255,255,255,.10); transform: translateY(-6px); border-color: rgba(245,130,32,.4); }
.gk-reason__ic { width: 56px; height: 56px; border-radius: 14px; background: var(--gk-grad-orange); display: grid; place-items: center; font-size: 1.35rem; color: #fff; margin-bottom: 18px; box-shadow: 0 10px 22px rgba(245,130,32,.30); }
.gk-reason h3 { color: #fff; font-size: 1.1rem; margin-bottom: 8px; }
.gk-reason p { color: rgba(255,255,255,.7); font-size: .92rem; margin: 0; }

/* ---------- 11. Üretim Süreci (Timeline) ---------- */
.gk-timeline { position: relative; display: grid; gap: 30px; }
.gk-timeline::before { content: ""; position: absolute; left: 31px; top: 10px; bottom: 10px; width: 2px; background: linear-gradient(var(--gk-orange), var(--gk-gray-200)); }
.gk-step { position: relative; display: grid; grid-template-columns: 64px 1fr; gap: 24px; align-items: start; }
.gk-step__num {
  width: 64px; height: 64px; border-radius: 50%; background: #fff; border: 2px solid var(--gk-gray-200);
  display: grid; place-items: center; font-weight: 700; font-size: 1.25rem; color: var(--gk-navy); z-index: 1; transition: .4s var(--gk-ease);
}
.gk-step:hover .gk-step__num { background: var(--gk-grad-orange); color: #fff; border-color: transparent; transform: scale(1.06); }
.gk-step__body { background: #fff; border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius); padding: 24px 26px; transition: .4s var(--gk-ease); }
.gk-step:hover .gk-step__body { box-shadow: var(--gk-shadow); transform: translateX(6px); }
.gk-step__body h3 { font-size: 1.12rem; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.gk-step__body h3 i { color: var(--gk-orange); }
.gk-step__body p { color: var(--gk-muted); font-size: .93rem; margin: 0; }

/* Yatay timeline (geniş ekran alternatifi) */
.gk-process-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.gk-process-card { text-align: center; padding: 30px 18px; background: #fff; border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius); position: relative; transition: .4s var(--gk-ease); }
.gk-process-card:hover { transform: translateY(-8px); box-shadow: var(--gk-shadow); }
.gk-process-card .num { position: absolute; top: 14px; right: 16px; font-size: 2.4rem; font-weight: 800; color: var(--gk-gray-100); line-height: 1; }
.gk-process-card .ic { width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 15px; background: rgba(245,130,32,.10); color: var(--gk-orange); display: grid; place-items: center; font-size: 1.4rem; transition: .4s var(--gk-ease); }
.gk-process-card:hover .ic { background: var(--gk-grad-orange); color: #fff; }
.gk-process-card h4 { font-size: 1.02rem; }

/* ---------- 12. Sayaçlar (Rakamlarla) ---------- */
.gk-stats { background: var(--gk-navy); color: #fff; position: relative; overflow: hidden; }
.gk-stats::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 80px 100%; }
.gk-counter { text-align: center; position: relative; padding: 18px; }
.gk-counter::after { content: ""; position: absolute; right: 0; top: 22%; height: 56%; width: 1px; background: rgba(255,255,255,.12); }
.gk-counter:last-child::after { display: none; }
.gk-counter b { font-size: clamp(2.4rem, 4vw, 3.4rem); font-weight: 800; background: var(--gk-grad-orange); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.gk-counter span { display: block; margin-top: 10px; color: rgba(255,255,255,.74); font-size: .96rem; font-weight: 500; }

/* ---------- 13. Galeri ---------- */
.gk-filter { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.gk-filter__btn { padding: 9px 22px; border-radius: 50px; border: 1px solid var(--gk-gray-200); background: #fff; font-weight: 500; font-size: .9rem; color: var(--gk-gray-600); cursor: pointer; transition: .3s var(--gk-ease); }
.gk-filter__btn:hover { border-color: var(--gk-orange); color: var(--gk-orange); }
.gk-filter__btn.is-active { background: var(--gk-grad-orange); color: #fff; border-color: transparent; box-shadow: 0 8px 18px rgba(245,130,32,.28); }

.gk-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.gk-gallery__item { position: relative; border-radius: var(--gk-radius); overflow: hidden; aspect-ratio: 4/3; cursor: pointer; background: var(--gk-grad-navy); }
.gk-gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--gk-ease); }
.gk-gallery__item:hover img { transform: scale(1.08); }
.gk-gallery__overlay {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,29,47,.88), rgba(10,29,47,.05) 60%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; opacity: 0; transform: translateY(14px); transition: .4s var(--gk-ease);
}
.gk-gallery__item:hover .gk-gallery__overlay { opacity: 1; transform: translateY(0); }
.gk-gallery__overlay span { color: var(--gk-orange); font-size: .76rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.gk-gallery__overlay h4 { color: #fff; font-size: 1.08rem; }
.gk-gallery__zoom { position: absolute; top: 16px; right: 16px; width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,.18); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); display: grid; place-items: center; color: #fff; opacity: 0; transition: .4s var(--gk-ease); }
.gk-gallery__item:hover .gk-gallery__zoom { opacity: 1; }
.gk-imgph-label { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,.35); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }

/* Lightbox */
.gk-lightbox { position: fixed; inset: 0; z-index: 2000; background: rgba(8,18,30,.93); display: none; align-items: center; justify-content: center; padding: 30px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.gk-lightbox.is-open { display: flex; }
.gk-lightbox img { max-width: 90vw; max-height: 84vh; border-radius: var(--gk-radius); box-shadow: var(--gk-shadow-lg); }
.gk-lightbox__close, .gk-lightbox__nav { position: absolute; background: rgba(255,255,255,.12); border: none; color: #fff; width: 54px; height: 54px; border-radius: 50%; cursor: pointer; font-size: 1.2rem; transition: .3s; display: grid; place-items: center; }
.gk-lightbox__close:hover, .gk-lightbox__nav:hover { background: var(--gk-orange); }
.gk-lightbox__close { top: 26px; right: 26px; }
.gk-lightbox__nav.prev { left: 26px; top: 50%; transform: translateY(-50%); }
.gk-lightbox__nav.next { right: 26px; top: 50%; transform: translateY(-50%); }

/* ---------- 13b. Galeri Detay Sayfası ---------- */
.gk-detail { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: start; }
.gk-detail__media { border-radius: var(--gk-radius-lg); overflow: hidden; box-shadow: var(--gk-shadow-lg); background: var(--gk-grad-navy); }
.gk-detail__media img { width: 100%; height: auto; display: block; }
.gk-detail__ph { aspect-ratio: 4/3; display: grid; place-items: center; color: rgba(255,255,255,.35); font-size: 3rem; }
.gk-detail__info { padding-top: 6px; }
.gk-detail__desc { color: var(--gk-text); font-size: 1.04rem; line-height: 1.8; margin-bottom: 26px; }
.gk-detail__meta { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 30px; }
.gk-detail__meta > div { background: var(--gk-gray-50); border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius); padding: 14px 22px; }
.gk-detail__meta span { display: block; font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--gk-muted); margin-bottom: 3px; }
.gk-detail__meta b { color: var(--gk-navy); font-size: 1.05rem; }
.gk-detail__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.gk-detail__nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 54px; padding-top: 30px; border-top: 1px solid var(--gk-gray-200); }
.gk-detail__navbtn { display: inline-flex; align-items: center; gap: 14px; padding: 14px 22px; border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius); transition: .3s var(--gk-ease); max-width: 48%; }
.gk-detail__navbtn:hover { border-color: var(--gk-orange); box-shadow: var(--gk-shadow-sm); transform: translateY(-3px); }
.gk-detail__navbtn i { color: var(--gk-orange); font-size: 1.1rem; flex-shrink: 0; }
.gk-detail__navbtn span { display: flex; flex-direction: column; font-weight: 600; color: var(--gk-navy); line-height: 1.3; overflow: hidden; }
.gk-detail__navbtn small { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--gk-muted); font-weight: 500; }
.gk-detail__navbtn--next { margin-left: auto; text-align: right; }
.gk-detail__navbtn--next span { align-items: flex-end; }

@media (max-width: 880px){
  .gk-detail { grid-template-columns: 1fr; gap: 30px; }
  .gk-detail__navbtn { max-width: 47%; }
  .gk-detail__navbtn small + * , .gk-detail__navbtn span { font-size: .9rem; }
}

/* ---------- 14. Referans Slider ---------- */
.gk-refs .swiper { padding: 10px 4px; }
.gk-ref {
  display: grid; place-items: center; height: 110px; background: #fff; border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius);
  color: var(--gk-gray-400); font-weight: 700; font-size: 1.05rem; letter-spacing: .04em; transition: .35s var(--gk-ease); text-align: center; padding: 0 14px;
}
.gk-ref:hover { color: var(--gk-navy); border-color: var(--gk-orange); box-shadow: var(--gk-shadow-sm); transform: translateY(-4px); }
.gk-ref i { font-size: 1.5rem; margin-right: 8px; color: var(--gk-orange); }
.gk-ref--img { padding: 14px 18px; }
.gk-ref--img img { max-height: 66px; max-width: 100%; width: auto; object-fit: contain; filter: grayscale(1); opacity: .75; transition: .35s var(--gk-ease); }
.gk-ref--img:hover img { filter: grayscale(0); opacity: 1; }

/* ---------- 15. SSS Accordion ---------- */
.gk-faq { max-width: 860px; margin-inline: auto; display: grid; gap: 14px; }
.gk-acc { border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius); overflow: hidden; background: #fff; transition: box-shadow .3s, border-color .3s; }
.gk-acc.is-open { box-shadow: var(--gk-shadow); border-color: transparent; }
.gk-acc__q { width: 100%; text-align: left; background: none; border: none; cursor: pointer; padding: 22px 26px; display: flex; align-items: center; justify-content: space-between; gap: 18px; font-family: inherit; font-weight: 600; font-size: 1.04rem; color: var(--gk-navy); }
.gk-acc__q .ico { flex-shrink: 0; width: 34px; height: 34px; border-radius: 9px; background: rgba(245,130,32,.10); color: var(--gk-orange); display: grid; place-items: center; transition: .35s var(--gk-ease); }
.gk-acc.is-open .gk-acc__q .ico { background: var(--gk-grad-orange); color: #fff; transform: rotate(135deg); }
.gk-acc__a { max-height: 0; overflow: hidden; transition: max-height .4s var(--gk-ease); }
.gk-acc__a p { padding: 0 26px 24px; color: var(--gk-muted); margin: 0; }

/* ---------- 16. İletişim ---------- */
.gk-contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 44px; align-items: start; }
.gk-info-card { display: flex; gap: 18px; padding: 24px; background: #fff; border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius); transition: .35s var(--gk-ease); }
.gk-info-card:hover { box-shadow: var(--gk-shadow); transform: translateY(-4px); border-color: transparent; }
.gk-info-card .ic { flex-shrink: 0; width: 54px; height: 54px; border-radius: 14px; background: var(--gk-grad-orange); color: #fff; display: grid; place-items: center; font-size: 1.3rem; box-shadow: 0 10px 22px rgba(245,130,32,.26); }
.gk-info-card h4 { font-size: 1.04rem; margin-bottom: 4px; }
.gk-info-card a, .gk-info-card p { color: var(--gk-muted); font-size: .95rem; margin: 0; }
.gk-info-card a:hover { color: var(--gk-orange); }

.gk-form { background: #fff; border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius-lg); padding: 38px; box-shadow: var(--gk-shadow-sm); }
.gk-field { margin-bottom: 20px; }
.gk-field label { display: block; font-weight: 500; font-size: .9rem; margin-bottom: 8px; color: var(--gk-gray-800); }
.gk-field label .req { color: var(--gk-orange); }
.gk-input, .gk-textarea, .gk-select {
  width: 100%; padding: 14px 16px; border: 1px solid var(--gk-gray-200); border-radius: var(--gk-radius-sm);
  font-family: inherit; font-size: .96rem; color: var(--gk-text); background: var(--gk-gray-50); transition: .25s var(--gk-ease);
}
.gk-input:focus, .gk-textarea:focus, .gk-select:focus { outline: none; border-color: var(--gk-orange); background: #fff; box-shadow: 0 0 0 4px rgba(245,130,32,.12); }
.gk-textarea { resize: vertical; min-height: 130px; }
.gk-form__note { font-size: .82rem; color: var(--gk-muted); margin-top: 14px; text-align: center; }
.gk-form__alert { display: none; padding: 14px 18px; border-radius: var(--gk-radius-sm); background: rgba(40,167,69,.10); color: #1c7a36; font-size: .92rem; margin-bottom: 20px; border: 1px solid rgba(40,167,69,.25); }
.gk-form__alert.is-show { display: block; }

.gk-map { border-radius: var(--gk-radius-lg); overflow: hidden; box-shadow: var(--gk-shadow); border: 1px solid var(--gk-gray-200); line-height: 0; }
.gk-map iframe { width: 100%; height: 100%; min-height: 360px; border: 0; }

/* ---------- 17. CTA Bandı ---------- */
.gk-cta {
  background: var(--gk-grad-orange); color: #fff; border-radius: var(--gk-radius-lg); padding: 56px; text-align: center; position: relative; overflow: hidden;
  box-shadow: var(--gk-shadow-lg);
}
.gk-cta::before, .gk-cta::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,.12); }
.gk-cta::before { width: 260px; height: 260px; top: -120px; left: -60px; }
.gk-cta::after { width: 200px; height: 200px; bottom: -110px; right: -40px; }
.gk-cta__inner { position: relative; z-index: 1; }
.gk-cta h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 14px; }
.gk-cta p { color: rgba(255,255,255,.92); max-width: 560px; margin: 0 auto 28px; }
.gk-cta .gk-btn--white { background: #fff; color: var(--gk-orange-600); }
.gk-cta .gk-btn--white:hover { background: var(--gk-navy); color: #fff; transform: translateY(-3px); }

/* ---------- 17b. Konum Harita Bandı (footer üstü) ---------- */
.gk-mapband { background: var(--gk-gray-50); padding: 90px 0; border-top: 1px solid var(--gk-gray-100); }
.gk-mapband__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: stretch; }
.gk-mapband__info { align-self: center; }
.gk-mapband__info h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 16px; }
.gk-mapband__lead { color: var(--gk-muted); font-size: 1rem; margin-bottom: 26px; }
.gk-mapband__info ul { display: grid; gap: 16px; margin-bottom: 30px; }
.gk-mapband__info li { display: flex; gap: 14px; align-items: flex-start; font-size: 1rem; color: var(--gk-text); }
.gk-mapband__info li i { flex-shrink: 0; width: 42px; height: 42px; border-radius: 11px; background: rgba(245,130,32,.1); color: var(--gk-orange); display: grid; place-items: center; }
.gk-mapband__info li a:hover { color: var(--gk-orange); }
.gk-mapband__map { border-radius: var(--gk-radius-lg); overflow: hidden; box-shadow: var(--gk-shadow-lg); border: 1px solid var(--gk-gray-200); min-height: 420px; line-height: 0; }
.gk-mapband__map iframe { width: 100%; height: 100%; min-height: 420px; border: 0; display: block; filter: grayscale(.2) contrast(1.03); }

@media (max-width: 900px){
  .gk-mapband { padding: 64px 0; }
  .gk-mapband__grid { grid-template-columns: 1fr; gap: 32px; }
  .gk-mapband__map, .gk-mapband__map iframe { min-height: 340px; }
}

/* ---------- 18. Footer ---------- */
.gk-footer { background: var(--gk-navy-900); color: rgba(255,255,255,.72); padding: 78px 0 0; position: relative; }
.gk-footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 52px; border-bottom: 1px solid rgba(255,255,255,.08); }
.gk-footer__brand .gk-logo { color: #fff; margin-bottom: 20px; }
.gk-footer__brand p { font-size: .94rem; max-width: 320px; margin-bottom: 22px; }
.gk-footer h4 { color: #fff; font-size: 1.04rem; margin-bottom: 22px; position: relative; padding-bottom: 12px; }
.gk-footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 32px; height: 2px; background: var(--gk-orange); border-radius: 2px; }
.gk-footer__links li { margin-bottom: 12px; }
.gk-footer__links a { font-size: .94rem; display: inline-flex; align-items: center; gap: 8px; }
.gk-footer__links a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--gk-orange); font-size: .8rem; transition: transform .3s var(--gk-ease); }
.gk-footer__links a:hover { color: #fff; }
.gk-footer__links a:hover::before { transform: translateX(4px); }
.gk-footer__contact li { display: flex; gap: 12px; margin-bottom: 16px; font-size: .94rem; }
.gk-footer__contact i { color: var(--gk-orange); margin-top: 4px; }
.gk-footer__contact a:hover { color: #fff; }
.gk-social { display: flex; gap: 12px; margin-top: 20px; }
.gk-social a { width: 42px; height: 42px; border-radius: 11px; background: rgba(255,255,255,.07); display: grid; place-items: center; color: #fff; transition: .3s var(--gk-ease); }
.gk-social a:hover { background: var(--gk-grad-orange); transform: translateY(-4px); }
.gk-footer__bottom { display: flex; align-items: center; justify-content: space-between; padding: 24px 0; font-size: .88rem; flex-wrap: wrap; gap: 12px; }
.gk-footer__bottom a:hover { color: var(--gk-orange); }

/* ---------- 19. Yüzen Butonlar (WhatsApp + Back to top) ---------- */
.gk-whatsapp { position: fixed; bottom: 26px; left: 26px; z-index: 900; width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff; display: grid; place-items: center; font-size: 1.7rem; box-shadow: 0 12px 28px rgba(37,211,102,.42); transition: transform .3s var(--gk-ease); }
.gk-whatsapp::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25D366; animation: gkPulse 2s infinite; }
.gk-whatsapp:hover { transform: scale(1.1); color: #fff; }
@keyframes gkPulse { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.5); opacity: 0; } }

.gk-top { position: fixed; bottom: 26px; right: 26px; z-index: 900; width: 50px; height: 50px; border-radius: 50%; background: var(--gk-navy); color: #fff; border: none; display: grid; place-items: center; font-size: 1rem; cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(16px); transition: .35s var(--gk-ease); box-shadow: var(--gk-shadow); }
.gk-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.gk-top:hover { background: var(--gk-orange); transform: translateY(-4px); }

/* ---------- 20. Responsive ---------- */
@media (max-width: 1100px) {
  .gk-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .gk-process-grid { grid-template-columns: repeat(3, 1fr); }
  .gk-footer__top { grid-template-columns: 1fr 1fr; gap: 34px; }
}
@media (max-width: 980px) {
  .gk-nav, .gk-header__phone { display: none; }
  .gk-burger { display: flex; }
  .gk-about { grid-template-columns: 1fr; gap: 40px; }
  .gk-about__visual { max-width: 460px; margin-inline: auto; }
  .gk-contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .gk-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .gk-gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .gk-section { padding: 76px 0; }
  .gk-grid--3, .gk-grid--2, .gk-grid--4, .gk-gallery { grid-template-columns: 1fr; }
  .gk-process-grid { grid-template-columns: repeat(2, 1fr); }
  .gk-footer__top { grid-template-columns: 1fr; }
  .gk-cta { padding: 40px 26px; }
  .gk-form { padding: 26px; }
  .gk-hero__stats { gap: 26px; }
  .gk-counter::after { display: none; }
}
@media (max-width: 480px) {
  .gk-process-grid { grid-template-columns: 1fr; }
  .gk-hero__actions { flex-direction: column; }
  .gk-hero__actions .gk-btn { width: 100%; }
}

/* ---------- 21. Erişilebilirlik / hareket azaltma ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}