/* ==========================================================================
   EREM MAKİNA — Premium Glassmorphic Tema
   Palet: Teal rgb(94,144,145) #5E9091 + Beyaz
   Yön: cam efektli yüzeyler, ince hatlar, ölçülü köşe yarıçapı, ferah düzen
   ========================================================================== */

:root {
  /* Teal palet */
  --teal: #5e9091;
  --teal-2: #4f8182;
  --teal-3: #406a6b;
  --teal-glow: #a6cecf;
  --teal-soft: rgba(94, 144, 145, 0.12);
  --teal-soft-2: rgba(94, 144, 145, 0.07);

  /* Koyu yüzeyler (teal tabanlı) */
  --ink-900: #11201f;
  --ink-850: #16282a;
  --ink-800: #1d3536;
  --ink-700: #274647;

  /* Metin & nötr */
  --ink: #18292a;
  --body: #45585a;
  --muted: #6c8183;
  --line: rgba(24, 41, 42, 0.10);
  --line-2: rgba(24, 41, 42, 0.06);

  --bg: #ffffff;
  --bg-soft: #eef4f4;
  --bg-2: #f5f9f9;
  --white: #ffffff;

  /* Cam */
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.7);
  --glass-dark: rgba(255, 255, 255, 0.06);
  --glass-dark-border: rgba(255, 255, 255, 0.14);
  --blur: blur(16px) saturate(135%);

  /* Köşe yarıçapı (ölçülü) */
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --r-btn: 9px;

  --shadow-sm: 0 2px 14px rgba(24, 50, 51, 0.06);
  --shadow: 0 22px 48px -26px rgba(20, 48, 49, 0.4);
  --shadow-lg: 0 40px 80px -34px rgba(16, 40, 41, 0.5);
  --ring: 0 0 0 1px rgba(94, 144, 145, 0.18);

  --container: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-head: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

/* ---------- Reset ---------- */
*, *::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);
  color: var(--body);
  background: var(--bg);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}
/* Hafif atmosfer — cam yüzeylerin okunması için zemin dokusu */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(620px 480px at 8% -4%, rgba(94, 144, 145, 0.10), transparent 60%),
    radial-gradient(680px 520px at 100% 8%, rgba(94, 144, 145, 0.08), transparent 62%),
    linear-gradient(180deg, #ffffff, #fafdfd);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink); line-height: 1.16; font-weight: 700; letter-spacing: -0.02em; }
::selection { background: var(--teal); color: #fff; }

/* ---------- Yardımcılar ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { position: relative; padding: 104px 0; }
.section--soft { background: linear-gradient(180deg, var(--bg-2), #e9f1f1); }
.section--soft::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(520px 380px at 88% 0%, rgba(94,144,145,0.14), transparent 60%),
    radial-gradient(480px 360px at 0% 100%, rgba(94,144,145,0.10), transparent 60%);
}
.section--soft > .container { position: relative; z-index: 1; }
.section--dark { background: linear-gradient(157deg, var(--ink-900) 0%, var(--ink-800) 58%, var(--ink-700) 120%); color: #c4d4d4; }
.center { text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-head); font-size: 12.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal-3); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--teal); border-radius: 2px; }
.section--dark .eyebrow, .hero .eyebrow, .page-hero .eyebrow { color: var(--teal-glow); }

.section-head { max-width: 730px; margin-bottom: 58px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-title { font-size: clamp(1.9rem, 3.6vw, 2.85rem); margin-bottom: 18px; }
.section--dark .section-title { color: #fff; }
.section-lead { font-size: 1.08rem; color: var(--muted); }
.section--dark .section-lead { color: #9fb6b6; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-head); font-weight: 600; font-size: 0.97rem;
  padding: 14px 26px; border-radius: var(--r-btn); border: 1.5px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}
.btn svg { width: 19px; height: 19px; }
.btn--primary { background: var(--teal); color: #fff; box-shadow: 0 14px 26px -14px rgba(94, 144, 145, 0.9); }
.btn--primary:hover { background: var(--teal-2); transform: translateY(-2px); box-shadow: 0 18px 32px -14px rgba(64, 106, 107, 0.85); }
.btn--dark { background: var(--ink-850); color: #fff; }
.btn--dark:hover { background: var(--ink-900); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--teal); color: var(--teal-3); }
.btn--light { background: #fff; color: var(--ink-850); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--outline-light { background: rgba(255,255,255,0.08); color: #fff; border-color: rgba(255,255,255,0.4); backdrop-filter: var(--blur); }
.btn--outline-light:hover { background: rgba(255,255,255,0.16); border-color: #fff; transform: translateY(-2px); }

/* ==========================================================================
   ÜST ŞERİT
   ========================================================================== */
.topbar {
  position: sticky; top: 0; z-index: 110;
  background: var(--ink-900); color: #9fb6b6; font-size: 0.86rem;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 42px; gap: 18px; flex-wrap: nowrap; }
.topbar a { display: inline-flex; align-items: center; gap: 7px; transition: color 0.2s; }
.topbar a:hover { color: #fff; }
.topbar svg { width: 15px; height: 15px; color: var(--teal-glow); }
.topbar__left { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar__right { display: flex; gap: 16px; align-items: center; }

/* ==========================================================================
   HEADER & NAV (cam)
   ========================================================================== */
.site-header {
  position: sticky; top: 42px; z-index: 100;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid rgba(255,255,255,0.5);
  box-shadow: inset 0 -1px 0 var(--line-2);
  transition: box-shadow 0.3s, background 0.3s;
}
.site-header.scrolled { background: rgba(255,255,255,0.8); box-shadow: 0 10px 30px -18px rgba(20,48,49,0.35); }
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 88px; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand__mark { width: 42px; height: 42px; flex-shrink: 0; }
.brand__logo { width: 210px; height: 80px; object-fit: cover; object-position: left center; flex-shrink: 0; }
.brand__mark--png {
  width: 52px; height: 52px; border-radius: 0; object-fit: contain;
  filter: brightness(0);
}
.brand__name {
  font-family: var(--font-head); font-weight: 700; font-size: 1.5rem;
  color: var(--ink); letter-spacing: -0.01em; line-height: 1;
}
.footer .brand__name { color: #fff; }

.nav__menu { display: flex; align-items: center; gap: 2px; }
.nav__menu a {
  font-family: var(--font-head); font-weight: 500; font-size: 0.97rem;
  color: var(--ink); padding: 10px 15px; border-radius: var(--radius-sm);
  position: relative; transition: color 0.2s, background 0.2s;
}
.nav__menu a:hover { color: var(--teal-3); background: var(--teal-soft-2); }
.nav__menu a.active { color: var(--teal-3); }
.nav__menu a.active::after { content: ""; position: absolute; left: 15px; right: 15px; bottom: 4px; height: 2px; background: var(--teal); border-radius: 2px; }
.nav__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.nav__toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255,255,255,0.6); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--ink-850); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative; overflow: hidden; color: #fff; padding: 108px 0 124px;
  background: linear-gradient(158deg, var(--ink-900) 0%, var(--ink-800) 55%, var(--ink-700) 125%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 72% 28%, #000 0%, transparent 74%);
  opacity: 0.55;
}
.hero__glow { position: absolute; width: 560px; height: 560px; border-radius: 50%; background: radial-gradient(circle, rgba(94,144,145,0.4), transparent 68%); top: -150px; right: -100px; filter: blur(14px); }
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(640px, 1.18fr); gap: 34px; align-items: start; }

.hero__badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--glass-dark); border: 1px solid var(--glass-dark-border);
  backdrop-filter: var(--blur); padding: 8px 16px; border-radius: 999px;
  font-size: 0.85rem; font-weight: 500; color: #d4e3e3; margin-bottom: 26px;
}
.hero__badge b { color: var(--teal-glow); font-weight: 700; }
.hero h1 { color: #fff; font-size: clamp(2.3rem, 5vw, 3.55rem); margin-bottom: 22px; }
.hero h1 .hl { color: var(--teal-glow); }
.hero__lead { font-size: 1.15rem; color: #aec3c3; max-width: 560px; margin-bottom: 36px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }
.hero__stats {
  grid-column: 1 / -1; margin-top: 22px;
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px;
}
@media (max-width: 980px) {
  .hero__stats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); margin-top: 16px; }
}
.hero__stat {
  display: flex; align-items: center; gap: 13px; padding: 13px 15px;
  background: var(--glass-dark); border: 1px solid var(--glass-dark-border);
  border-radius: var(--radius); backdrop-filter: var(--blur);
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.hero__stat:hover {
  transform: translateY(-3px);
  border-color: rgba(166, 206, 207, .4); background: rgba(255, 255, 255, .09);
}
.hero__stat-ic {
  flex: 0 0 auto; width: 42px; height: 42px;
  display: grid; place-items: center; border-radius: 11px;
  background: rgba(166, 206, 207, .12); border: 1px solid rgba(166, 206, 207, .18);
  color: var(--teal-glow);
}
.hero__stat-ic svg { width: 21px; height: 21px; }
.hero__stat-txt { min-width: 0; }
.hero__stat .num {
  font-family: var(--font-head); font-size: 1.5rem; font-weight: 800;
  color: #fff; line-height: 1.1; letter-spacing: -.01em;
}
.hero__stat .num .hl { color: var(--teal-glow); }
.hero__stat .lbl { font-size: 0.8rem; color: #9fb6b6; margin-top: 3px; }

/* Hero cam kart */
.hero__visual { position: relative; padding-top: 4px; }
.hero__card {
  background: var(--glass-dark); border: 1px solid var(--glass-dark-border);
  border-radius: var(--radius-lg); padding: 38px; backdrop-filter: var(--blur);
  box-shadow: var(--shadow-lg);
}
.hero__card-media {
  aspect-ratio: 1.82 / 1; border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(94,144,145,0.32), rgba(39,70,71,0.5)), var(--ink-700);
  display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
}
.hero__card-media svg { width: 48%; height: 48%; color: rgba(255,255,255,0.62); }
.hero__card-row { display: flex; justify-content: space-between; align-items: center; margin-top: 22px; }
.hero__card-row h3 { color: #fff; font-size: 1.1rem; }
.hero__card-row p { font-size: 0.86rem; color: #93acac; }
.hero__pill {
  position: absolute; bottom: -22px; left: -22px;
  background: rgba(255,255,255,0.85); color: var(--ink-850);
  border: 1px solid rgba(255,255,255,0.9); backdrop-filter: var(--blur);
  border-radius: var(--radius); padding: 15px 20px;
  font-family: var(--font-head); font-weight: 700; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 12px;
}
.hero__pill svg { width: 30px; height: 30px; color: var(--teal); }
.hero__pill small { display: block; font-weight: 500; font-size: 0.74rem; color: var(--muted); }

/* Marka şeridi */
.trustbar { background: var(--ink-900); padding: 26px 0; }
.trustbar .container { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; justify-content: center; }
.trustbar span { color: #6c8585; font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; font-family: var(--font-head); }
.trustbar b { color: #c4d4d4; font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; }

/* ==========================================================================
   CAM KARTLAR (özellik / değer)
   ========================================================================== */
.grid { display: grid; gap: 26px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.feature {
  position: relative; background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 32px 28px; backdrop-filter: var(--blur);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}
.feature::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(180deg, rgba(255,255,255,0.5), transparent 40%); pointer-events: none; opacity: 0.6; }
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(94,144,145,0.4); }
.feature__icon { position: relative; z-index: 1; width: 56px; height: 56px; border-radius: 13px; background: var(--teal-soft); color: var(--teal); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; border: 1px solid rgba(94,144,145,0.18); }
.feature__icon svg { width: 28px; height: 28px; }
.feature h3 { position: relative; z-index: 1; font-size: 1.18rem; margin-bottom: 10px; }
.feature p { position: relative; z-index: 1; font-size: 0.97rem; color: var(--muted); }

/* ==========================================================================
   ÜRÜN KARTLARI (cam)
   ========================================================================== */
.product {
  background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; backdrop-filter: var(--blur);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}
.product:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(94,144,145,0.4); }
.product__media { aspect-ratio: 16 / 10; background: linear-gradient(150deg, var(--ink-800), var(--ink-700)); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.product__media::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 30px 30px; opacity: 0.5; }
.product__media svg { width: 36%; height: 36%; color: rgba(255,255,255,0.7); position: relative; z-index: 1; }
.product__tag { position: absolute; top: 14px; left: 14px; z-index: 2; background: rgba(255,255,255,0.88); color: var(--teal-3); font-family: var(--font-head); font-weight: 600; font-size: 0.74rem; padding: 5px 12px; border-radius: 999px; backdrop-filter: var(--blur); }
.product__body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.product__body h3 { font-size: 1.2rem; margin-bottom: 10px; }
.product__body p { font-size: 0.95rem; color: var(--muted); margin-bottom: 18px; flex: 1; }
.product__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.product__meta span { font-size: 0.77rem; background: var(--teal-soft); color: var(--teal-3); padding: 5px 11px; border-radius: 999px; font-weight: 500; }
.product__link { font-family: var(--font-head); font-weight: 600; color: var(--teal-3); display: inline-flex; align-items: center; gap: 7px; font-size: 0.94rem; }
.product__link svg { width: 17px; height: 17px; transition: transform 0.25s; }
.product:hover .product__link svg { transform: translateX(4px); }

/* ==========================================================================
   HİZMETLER
   ========================================================================== */
.service {
  display: flex; gap: 20px; padding: 26px; background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); backdrop-filter: var(--blur); box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}
.service:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(94,144,145,0.4); }
.service__num { font-family: var(--font-head); font-weight: 800; font-size: 1.5rem; color: var(--teal); flex-shrink: 0; line-height: 1.4; }
.service__icon { width: 50px; height: 50px; flex-shrink: 0; border-radius: 12px; background: linear-gradient(145deg, var(--teal), var(--teal-3)); color: #fff; display: flex; align-items: center; justify-content: center; }
.service__icon svg { width: 25px; height: 25px; }
.service h3 { font-size: 1.14rem; margin-bottom: 8px; }
.service p { font-size: 0.95rem; color: var(--muted); }

/* ==========================================================================
   İKİ SÜTUN (hakkında vb.)
   ========================================================================== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split__media {
  border-radius: var(--radius-lg); background: linear-gradient(150deg, var(--ink-800), var(--ink-700));
  aspect-ratio: 5 / 4; position: relative; overflow: hidden; box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.08);
}
.split__media::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 40px 40px; opacity: 0.45; }
.split__media svg { width: 30%; height: 30%; color: rgba(255,255,255,0.62); position: relative; z-index: 1; }
.split__media .img-note { position: absolute; bottom: 16px; left: 16px; right: 16px; z-index: 2; font-size: 0.74rem; color: rgba(255,255,255,0.5); text-align: center; }

.checklist { display: grid; gap: 14px; margin-top: 26px; }
.checklist li { display: flex; gap: 13px; align-items: flex-start; font-size: 1rem; color: var(--body); }
.checklist svg { width: 22px; height: 22px; color: var(--teal); flex-shrink: 0; margin-top: 3px; }
.checklist b { color: var(--ink); font-weight: 600; }
.prose p { margin-bottom: 18px; }
.prose p:last-child { margin-bottom: 0; }

/* ==========================================================================
   İSTATİSTİK
   ========================================================================== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 18px; border-radius: var(--radius); background: var(--glass-dark); border: 1px solid var(--glass-dark-border); backdrop-filter: var(--blur); }
.stat .num { font-family: var(--font-head); font-weight: 800; font-size: clamp(2.1rem, 4vw, 2.9rem); color: #fff; }
.stat .num span { color: var(--teal-glow); }
.stat .lbl { color: #9fb6b6; font-size: 0.94rem; margin-top: 6px; }

/* ==========================================================================
   VIDEOLAR
   ========================================================================== */
.section--video {
  overflow: hidden; background: linear-gradient(157deg, #091314 0%, var(--ink-900) 48%, var(--ink-800) 120%);
  color: #c4d4d4;
}
.section--video::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    radial-gradient(680px 420px at 88% 4%, rgba(94,144,145,0.24), transparent 68%);
  background-size: 64px 64px, 64px 64px, auto;
}
.section--video > .container { position: relative; z-index: 1; }
.section--video .section-title { color: #fff; max-width: 640px; }
.section--video .section-lead { color: #b4c7c8; max-width: 480px; }
.video-head {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 56px; align-items: end; margin-bottom: 44px;
}
.video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; align-items: stretch; }
.video-card {
  overflow: hidden; background: rgba(255,255,255,0.065); border: 1px solid var(--glass-dark-border);
  border-radius: var(--radius); box-shadow: 0 32px 70px -42px rgba(0,0,0,0.9);
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.video-card:hover { transform: translateY(-5px); border-color: rgba(166,206,207,0.36); box-shadow: 0 40px 82px -42px rgba(0,0,0,0.95); }
.video-card__frame { position: relative; aspect-ratio: 16 / 9; background: #050b0c; overflow: hidden; }
.video-card__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-card__link { position: absolute; inset: 0; display: block; color: #fff; }
.video-card__link img { width: 100%; height: 100%; object-fit: cover; opacity: 0.78; transition: transform 0.45s var(--ease), opacity 0.35s; }
.video-card__link::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,11,12,0.08), rgba(5,11,12,0.58));
}
.video-card:hover .video-card__link img { transform: scale(1.035); opacity: 0.92; }
.video-card__play {
  position: absolute; left: 50%; top: 50%; z-index: 2;
  width: 68px; height: 48px; border-radius: 14px;
  background: rgba(255,255,255,0.92); transform: translate(-50%, -50%);
  box-shadow: 0 18px 36px -20px rgba(0,0,0,0.8);
}
.video-card__play::before {
  content: ""; position: absolute; left: 28px; top: 14px;
  border-left: 16px solid #111; border-top: 10px solid transparent; border-bottom: 10px solid transparent;
}
.video-card__watch {
  position: absolute; left: 18px; bottom: 18px; z-index: 2;
  font-family: var(--font-head); font-weight: 700; font-size: 0.95rem;
  padding: 8px 12px; border-radius: 999px;
  background: rgba(17,32,31,0.82); backdrop-filter: var(--blur);
}
.video-card__body {
  display: grid; grid-template-columns: 1fr auto; gap: 8px 18px; align-items: end;
  padding: 20px 22px 22px;
}
.video-card__machine {
  grid-column: 1 / -1; justify-self: start; display: inline-flex; align-items: center; min-height: 26px;
  padding: 4px 10px; border-radius: 999px; background: rgba(94,144,145,0.18); color: var(--teal-glow);
  font-family: var(--font-head); font-size: 0.73rem; font-weight: 800; text-transform: uppercase;
}
.video-card h3 { color: #fff; font-size: 1.15rem; }
.video-card p {
  color: #dbe8e8; font-family: var(--font-head); font-size: 0.9rem; font-weight: 700;
  padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,0.08); white-space: nowrap;
}

/* ==========================================================================
   REFERANSLAR
   ========================================================================== */
.refs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ref {
  overflow: hidden; background: #fff; border: 1px solid var(--glass-border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}
.ref:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(94,144,145,0.28); }
.ref__media {
  display: flex; align-items: center; justify-content: center; position: relative; aspect-ratio: 16 / 9;
  overflow: hidden; background: #fff; padding: 26px 28px 18px;
}
.ref__media img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.45s var(--ease); }
.ref:hover .ref__media img { transform: scale(1.025); }
.ref__body { padding: 20px 22px 22px; }
.ref__tag {
  display: inline-flex; align-items: center; min-height: 26px; margin-bottom: 12px; padding: 4px 10px;
  border-radius: 999px; background: var(--teal-soft); color: var(--teal); font-size: 0.72rem; font-weight: 800;
  text-transform: uppercase;
}
.ref h4 { font-size: 1.06rem; color: var(--ink); margin-bottom: 7px; }
.ref p { font-size: 0.9rem; color: var(--muted); line-height: 1.55; }

/* ==========================================================================
   CTA BANDI (cam, koyu)
   ========================================================================== */
.cta-band {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, var(--ink-900), var(--ink-700));
  border: 1px solid var(--glass-dark-border); border-radius: var(--radius-lg);
  padding: 60px 54px; display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap;
}
.cta-band::before { content: ""; position: absolute; right: -70px; top: -70px; width: 340px; height: 340px; background: radial-gradient(circle, rgba(94,144,145,0.4), transparent 70%); }
.cta-band__text { position: relative; z-index: 1; max-width: 620px; }
.cta-band__text h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 12px; }
.cta-band__text p { color: #aec3c3; font-size: 1.04rem; }
.cta-band__actions { position: relative; z-index: 1; display: flex; gap: 14px; flex-wrap: wrap; }

/* ==========================================================================
   İLETİŞİM
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-card { display: flex; gap: 18px; align-items: flex-start; padding: 22px; border: 1px solid var(--glass-border); border-radius: var(--radius); background: var(--glass); backdrop-filter: var(--blur); margin-bottom: 16px; box-shadow: var(--shadow-sm); transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s; }
.contact-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: rgba(94,144,145,0.4); }
.contact-card__icon { width: 50px; height: 50px; flex-shrink: 0; border-radius: 12px; background: var(--teal-soft); color: var(--teal); display: flex; align-items: center; justify-content: center; border: 1px solid rgba(94,144,145,0.18); }
.contact-card__icon svg { width: 25px; height: 25px; }
.contact-card h4 { font-size: 1.04rem; margin-bottom: 4px; }
.contact-card p, .contact-card a { font-size: 0.96rem; color: var(--muted); }
.contact-card a:hover { color: var(--teal-3); }

.form { background: var(--glass-strong); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 34px; backdrop-filter: var(--blur); box-shadow: var(--shadow); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-head); font-weight: 600; font-size: 0.87rem; color: var(--ink); margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.96rem; color: var(--ink); background: rgba(255,255,255,0.7); transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--teal); background: #fff; box-shadow: var(--ring); }
.field textarea { resize: vertical; min-height: 130px; }
.field input[type="radio"] { width: auto; accent-color: var(--teal); }
.form .btn { width: 100%; }
.form__note { font-size: 0.81rem; color: var(--muted); margin-top: 14px; text-align: center; }

.map-embed { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--glass-border); box-shadow: var(--shadow-sm); margin-top: 28px; }
.map-embed iframe { width: 100%; height: 320px; border: 0; display: block; }

/* ==========================================================================
   SAYFA BAŞLIĞI (iç sayfalar)
   ========================================================================== */
.page-hero {
  position: relative; overflow: hidden; color: #fff; padding: 76px 0 80px;
  background: linear-gradient(150deg, var(--ink-900), var(--ink-700));
}
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 50px 50px; mask-image: radial-gradient(circle at 78% 20%, #000, transparent 70%); opacity: 0.55; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3rem); margin-bottom: 16px; max-width: 760px; }
.page-hero p { color: #aec3c3; font-size: 1.1rem; max-width: 640px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 0.86rem; color: #87a0a0; margin-bottom: 20px; }
.breadcrumb a:hover { color: var(--teal-glow); }
.breadcrumb span { color: var(--teal-glow); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background: var(--ink-900); color: #8da3a3; padding: 72px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 52px; }
.footer__brand p { font-size: 0.94rem; margin: 18px 0 22px; max-width: 320px; color: #7e9595; }
.footer__social { display: flex; gap: 12px; }
.footer__social a { width: 42px; height: 42px; border-radius: 11px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: #bccccc; transition: background 0.25s, color 0.25s, transform 0.25s; }
.footer__social a:hover { background: var(--teal); color: #fff; transform: translateY(-3px); }
.footer__social svg { width: 19px; height: 19px; }
.footer h5 { color: #fff; font-family: var(--font-head); font-size: 1.0rem; margin-bottom: 20px; }
.footer__links li { margin-bottom: 11px; }
.footer__links a { font-size: 0.93rem; transition: color 0.2s, padding 0.2s; }
.footer__links a:hover { color: var(--teal-glow); padding-left: 4px; }
.footer__contact li { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 14px; font-size: 0.91rem; }
.footer__contact svg { width: 18px; height: 18px; color: var(--teal-glow); flex-shrink: 0; margin-top: 3px; }
.footer__contact a:hover { color: #fff; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0; display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 0.84rem; }
.footer__bottom a:hover { color: var(--teal-glow); }

/* ==========================================================================
   WHATSAPP (yüzen)
   ========================================================================== */
.wa-float {
  position: fixed; bottom: 26px; right: 26px; z-index: 90;
  display: flex; align-items: center; gap: 12px;
  background: #25d366; color: #fff; padding: 14px 20px 14px 16px; border-radius: 999px;
  font-family: var(--font-head); font-weight: 600; font-size: 0.95rem;
  box-shadow: 0 16px 30px -10px rgba(37, 211, 102, 0.55);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.wa-float:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 20px 36px -10px rgba(37, 211, 102, 0.7); }
.wa-float svg { width: 26px; height: 26px; }

/* ==========================================================================
   GİRİŞ ANİMASYONU
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal[data-delay="5"] { transition-delay: 0.40s; }
.reveal[data-delay="6"] { transition-delay: 0.48s; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { max-width: 680px; padding-top: 0; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .video-head, .video-grid { grid-template-columns: 1fr; }
  .refs { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  .topbar { display: none; }
  .site-header { top: 0; }
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed; top: 88px; left: 0; right: 0;
    background: rgba(255,255,255,0.97); backdrop-filter: var(--blur);
    flex-direction: column; align-items: stretch; padding: 16px; gap: 4px;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    transform: translateY(-10px); opacity: 0; visibility: hidden;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), visibility 0.3s;
    max-height: calc(100vh - 88px); overflow-y: auto;
  }
  .nav__menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav__menu a { padding: 14px 16px; }
  .nav__menu a.active::after { display: none; }
  .nav__menu a.active { background: var(--teal-soft); }
  .nav__actions .btn--nav-cta { display: none; }
}
@media (max-width: 680px) {
  .section { padding: 72px 0; }
  body { font-size: 16px; }
  .grid--2, .grid--3, .grid--4, .refs { grid-template-columns: 1fr; }
  .cta-band { padding: 42px 26px; }
  .form__row { grid-template-columns: 1fr; }
  .wa-float__txt { display: none; }
  .wa-float { padding: 16px; }
  .hero { padding: 76px 0 92px; }
  .hero__pill { left: 0; }
  .brand__name { font-size: 1.32rem; }
  .video-head { gap: 22px; margin-bottom: 30px; }
  .video-card__body { grid-template-columns: 1fr; align-items: start; padding: 18px; }
  .video-card p { justify-self: start; white-space: normal; }
}

/* ==========================================================================
   EK: GERÇEK GÖRSELLER, WHATSAPP BUTONU, DİL DEĞİŞTİRİCİ, ŞIKLIK RÖTUŞLARI
   ========================================================================== */

/* --- Görsellerin medya alanlarını doldurması --- */
.hero__card-media, .product__media, .split__media { position: relative; }
.hero__card-media img,
.product__media img,
.split__media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform 0.7s var(--ease);
}
/* placeholder grid'ini kaldır, yerine zarif derinlik gradyanı koy */
.product__media::after,
.split__media::after {
  background-image: linear-gradient(180deg, rgba(8,23,22,0.05) 0%, transparent 30%, rgba(8,23,22,0.28) 100%);
  background-size: auto; opacity: 1; z-index: 1;
}
.hero__card-media::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, transparent 55%, rgba(8,23,22,0.35));
}
.product__tag { z-index: 2; }
/* hafif yakınlaşma efekti */
.product:hover .product__media img,
.split__media:hover img { transform: scale(1.05); }

/* --- WhatsApp butonu (orijinal yeşil) --- */
.btn--wa { background: #25d366; color: #fff; box-shadow: 0 14px 26px -14px rgba(37,211,102,0.85); }
.btn--wa:hover { background: #1ebe5b; transform: translateY(-2px); box-shadow: 0 18px 32px -14px rgba(37,211,102,0.9); }
.btn--wa svg { width: 20px; height: 20px; }

/* --- Dil değiştirici (dropdown) --- */
.lang-switch { position: relative; }
.lang-switch__trigger {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-head); font-weight: 600; font-size: 0.84rem;
  color: var(--ink); cursor: pointer;
  padding: 8px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255,255,255,0.5);
  backdrop-filter: var(--blur);
  transition: border-color 0.25s, background 0.25s, color 0.25s;
}
.lang-switch__trigger:hover { border-color: var(--teal); color: var(--teal-3); }
.lang-switch__globe { width: 17px; height: 17px; color: var(--teal); }
.lang-switch__current { line-height: 1; }
.lang-switch__chev { width: 15px; height: 15px; opacity: 0.7; transition: transform 0.3s var(--ease); }
.lang-switch.open .lang-switch__chev { transform: rotate(180deg); }

.lang-switch__menu {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 60;
  min-width: 186px; margin: 0; padding: 6px; list-style: none;
  background: rgba(255,255,255,0.94); backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 2px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}
.lang-switch.open .lang-switch__menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-switch__menu li { margin: 0; }
.lang-switch__menu button {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 10px; border: 0; background: transparent; cursor: pointer;
  border-radius: var(--radius-sm); text-align: left;
  font-family: var(--font-body); font-size: 0.92rem; color: var(--ink);
  transition: background 0.2s, color 0.2s;
}
.lang-switch__menu button:hover { background: var(--teal-soft); color: var(--teal-3); }
.lang-switch__badge {
  flex: 0 0 auto; display: inline-grid; place-items: center;
  width: 30px; height: 22px; border-radius: 6px;
  font-family: var(--font-head); font-weight: 700; font-size: 0.66rem; letter-spacing: 0.04em;
  background: var(--teal-soft); color: var(--teal-3); border: 1px solid rgba(94,144,145,0.2);
}
.lang-switch__name { flex: 1 1 auto; }
.lang-switch__check { width: 16px; height: 16px; flex: 0 0 auto; color: var(--teal); opacity: 0; }
.lang-switch__menu button.is-active { background: var(--teal-soft); color: var(--teal-3); font-weight: 600; }
.lang-switch__menu button.is-active .lang-switch__check { opacity: 1; }
.lang-switch__menu button.is-active .lang-switch__badge { background: var(--teal); color: #fff; border-color: var(--teal); }

/* --- Şıklık rötuşları --- */
/* daha zarif, katmanlı gölge ve ince teal halka kart hover'da */
.feature, .product, .service, .ref, .contact-card { box-shadow: 0 1px 2px rgba(20,48,49,0.04), 0 10px 28px -22px rgba(20,48,49,0.5); }
.feature:hover, .product:hover, .service:hover, .ref:hover, .contact-card:hover { box-shadow: 0 1px 2px rgba(20,48,49,0.05), 0 30px 60px -28px rgba(20,48,49,0.45); }

/* section başlıklarına ince üst çizgi-aksanı yerine zarif denge */
.section-title { letter-spacing: -0.025em; }

/* hero başlık vurgusunu degrade ile zenginleştir */
.hero h1 .hl {
  background: linear-gradient(120deg, var(--teal-glow), #cfe6e6);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  color: var(--teal-glow);
}

/* buton odak erişilebilirliği */
.btn:focus-visible, .nav__menu a:focus-visible, .lang-switch button:focus-visible,
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible {
  outline: 2px solid var(--teal); outline-offset: 2px;
}

/* görseldeki ince çerçeve parlaması (premium his) */
.product__media, .split__media, .hero__card-media { box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06); }

/* trustbar markalarına ince ayraç */
.trustbar b { position: relative; padding: 0 4px; }

/* daha yumuşak bölüm geçişleri */
.section--soft { border-top: 1px solid rgba(255,255,255,0.6); border-bottom: 1px solid rgba(255,255,255,0.6); }

@media (max-width: 480px) {
  .lang-switch__trigger { padding: 7px 10px; font-size: 0.8rem; gap: 5px; }
  .nav { gap: 12px; }
  .brand__tag { display: none; }
}

/* ==========================================================================
   RTL — Arapça (dir="rtl") aktifken yön çevrimi
   ========================================================================== */
[dir="rtl"] { text-align: right; }
[dir="rtl"] body { font-family: "Segoe UI", Tahoma, "Noto Naskh Arabic", "Geeza Pro", var(--font-body); }
[dir="rtl"] .center,
[dir="rtl"] .section-head.center { text-align: center; }

/* Dropdown menüyü sola hizala */
[dir="rtl"] .lang-switch__menu { right: auto; left: 0; }
[dir="rtl"] .lang-switch__menu button { text-align: right; }

/* Yön bağımlı oklar ters çevrilir */
[dir="rtl"] .product__link svg { transform: scaleX(-1); }

/* Form alanları sağdan hizalı */
[dir="rtl"] .field input,
[dir="rtl"] .field textarea,
[dir="rtl"] .field select { text-align: right; }

/* Yüzen WhatsApp butonu sola */
[dir="rtl"] .wa-float { right: auto; left: 26px; }