/* ============================================================
   KAYRAB ALÜMİNYUM — Tasarım Sistemi (.NET, v0 birebir)
   Koyu premium tema · oklch · altın vurgu
   ============================================================ */

:root {
  color-scheme: dark;
  --background: oklch(0.17 0.004 60);
  --foreground: oklch(0.96 0.004 80);
  --card: oklch(0.21 0.005 60);
  --card-foreground: oklch(0.96 0.004 80);
  --popover: oklch(0.19 0.005 60);
  --primary: oklch(0.78 0.148 62);
  --primary-foreground: oklch(0.2 0.02 60);
  --secondary: oklch(0.26 0.005 60);
  --secondary-foreground: oklch(0.96 0.004 80);
  --muted: oklch(0.26 0.005 60);
  --muted-foreground: oklch(0.72 0.008 70);
  --accent: oklch(0.78 0.148 62);
  --destructive: oklch(0.62 0.21 25);
  --border: oklch(1 0 0 / 9%);
  --input: oklch(1 0 0 / 12%);
  --ring: oklch(0.78 0.148 62);
  --radius: 0.75rem;

  --font-sans: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --maxw: 92rem; /* içerik genişliği — tüm sayfalarda tutarlı */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; border-color: var(--border); }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.font-display { font-family: var(--font-display); }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

.grain {
  background-image: radial-gradient(oklch(1 0 0 / 3%) 1px, transparent 1px);
  background-size: 4px 4px;
}

/* ---------- Section helpers ---------- */
.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.eyebrow {
  display: inline-block;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.25em;
  color: var(--primary); text-transform: uppercase;
}
.section-head { max-width: 42rem; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700; letter-spacing: -0.02em; margin-top: 0.85rem;
}
.section-desc { margin-top: 1rem; color: var(--muted-foreground); font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border-radius: 999px; padding: 0.75rem 1.5rem;
  font-size: 0.875rem; font-weight: 600; border: 1px solid transparent;
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 1rem; height: 1rem; transition: transform .2s var(--ease); }
.btn-primary { background: var(--primary); color: var(--primary-foreground); }
.btn-primary:hover { transform: scale(1.03); }
.btn-primary:active { transform: scale(0.96); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-ghost {
  border-color: var(--border); background: color-mix(in oklch, var(--card) 40%, transparent);
  color: var(--foreground); backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--primary); }
.btn-outline { border-color: var(--border); background: transparent; color: var(--foreground); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ============================================================
   NAVBAR
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
  backdrop-filter: blur(16px);
}
.nav.scrolled {
  background: oklch(0.17 0.004 60 / 0.85);
  border-bottom-color: oklch(1 0 0 / 0.09);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
/* Üst duyuru şeridi */
.nav__promo {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.42rem 1rem; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: oklch(0.17 0.004 60);
  background: linear-gradient(90deg, color-mix(in oklch, var(--primary) 78%, black 6%), var(--primary) 50%, color-mix(in oklch, var(--primary) 78%, black 6%));
}
.nav__promo svg { width: 0.95rem; height: 0.95rem; }
.nav__promo-shine { position: absolute; top: 0; bottom: 0; left: -50%; width: 35%; background: linear-gradient(100deg, transparent, rgba(255,255,255,.55), transparent); animation: promoShine 4.2s ease-in-out infinite; }
@keyframes promoShine { 0% { left: -50%; } 55%, 100% { left: 125%; } }
@media (prefers-reduced-motion: reduce) { .nav__promo-shine { display: none; } }

.nav__inner {
  height: 4rem; max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1rem;
}
@media (min-width: 640px) { .nav__inner { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .nav__inner { padding: 0 2rem; } }

.nav__menu { display: none; align-items: center; gap: 0.25rem; }
@media (min-width: 1024px) { .nav__menu { display: flex; } }
.nav__link {
  position: relative; border-radius: 999px; padding: 0.5rem 1rem;
  font-size: 0.875rem; font-weight: 500; color: var(--muted-foreground);
  transition: color .2s var(--ease);
}
.nav__link:hover { color: var(--foreground); }
.nav__link.active { color: var(--foreground); }
.nav__link.active::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  border-radius: 999px; background: var(--secondary);
}
.nav__actions { display: flex; align-items: center; gap: 0.75rem; }
.nav__quote {
  display: none; border-radius: 999px; background: var(--primary);
  padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 600; color: var(--primary-foreground);
  transition: transform .2s var(--ease);
}
.nav__quote:hover { transform: scale(1.03); }
@media (min-width: 640px) { .nav__quote { display: inline-flex; } }
.nav__dealer {
  display: none; align-items: center; gap: 0.375rem;
  border-radius: 999px; border: 1px solid color-mix(in oklch, var(--primary) 40%, transparent);
  background: color-mix(in oklch, var(--primary) 10%, transparent);
  padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 600; color: var(--primary);
  backdrop-filter: blur(8px); transition: all .2s var(--ease);
}
.nav__dealer:hover { border-color: var(--primary); background: color-mix(in oklch, var(--primary) 20%, transparent); }
.nav__dealer svg { width: 0.875rem; height: 0.875rem; }
@media (min-width: 640px) { .nav__dealer { display: inline-flex; } }

.nav__toggle {
  display: inline-flex; align-items: center; justify-content: center;
  height: 2.25rem; width: 2.25rem; border-radius: 999px;
  border: 1px solid var(--border); background: transparent; color: var(--foreground);
}
@media (min-width: 1024px) { .nav__toggle { display: none; } }

.lang-toggle {
  display: inline-flex; align-items: center; border-radius: 999px;
  border: 1px solid var(--border); overflow: hidden; font-size: 0.75rem; font-weight: 700;
}
.lang-toggle button {
  padding: 0.375rem 0.6rem; background: transparent; color: var(--muted-foreground);
  border: 0; transition: background .2s, color .2s;
}
.lang-toggle button.active { background: var(--primary); color: var(--primary-foreground); }

/* Mobile menu */
.nav__mobile {
  display: none; overflow: hidden;
  border-bottom: 1px solid var(--border); background: oklch(0.17 0.004 60 / 0.97); backdrop-filter: blur(16px);
}
.nav__mobile.open { display: block; }
.nav__mobile ul { max-width: var(--maxw); margin: 0 auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.25rem; }
.nav__mobile a { border-radius: 0.5rem; padding: 0.75rem 1rem; font-size: 1rem; font-weight: 500; color: var(--muted-foreground); }
.nav__mobile a.active { background: var(--secondary); color: var(--foreground); }

/* Logo */
.logo { display: inline-flex; align-items: center; gap: 0.5rem; }
.logo__mark {
  width: 2rem; height: 2rem; border-radius: 0.5rem; display: grid; place-items: center;
  background: var(--primary); color: var(--primary-foreground);
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
}
.logo__text { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.logo__text small { color: var(--primary); }
.logo__img { height: 2.4rem; width: auto; max-width: 190px; object-fit: contain; display: block; }
.footer .logo__img { height: 2.2rem; }
.nav__logo2 { display: inline-flex; align-items: center; margin-left: 0.85rem; }
.nav__logo2 img { height: 1.85rem; width: auto; max-width: 130px; object-fit: contain; opacity: 0.9; transition: opacity 0.2s var(--ease); }
.nav__logo2:hover img { opacity: 1; }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; display: flex; align-items: center; min-height: 100svh; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: -20; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; animation: heroZoom 1.6s var(--ease) both; }
@keyframes heroZoom { from { transform: scale(1.12); } to { transform: scale(1); } }
.hero__ov1 { position: absolute; inset: 0; z-index: -10; background: linear-gradient(to right, var(--background), oklch(0.17 0.004 60 / 0.85) 45%, oklch(0.17 0.004 60 / 0.3)); }
.hero__ov2 { position: absolute; inset: 0; z-index: -10; background: linear-gradient(to top, var(--background), transparent, oklch(0.17 0.004 60 / 0.6)); }
.hero__grid { display: grid; gap: 3rem; width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 7rem 1rem 4rem; }
@media (min-width: 640px) { .hero__grid { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .hero__grid { grid-template-columns: repeat(12, 1fr); padding-left: 2rem; padding-right: 2rem; } }
.hero__copy { grid-column: span 8; }
.hero__tag {
  display: inline-flex; align-items: center; gap: 0.5rem; border-radius: 999px;
  border: 1px solid var(--border); background: color-mix(in oklch, var(--card) 40%, transparent);
  padding: 0.375rem 1rem; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.25em; color: var(--primary);
  backdrop-filter: blur(8px);
}
.hero__title {
  font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.05; margin-top: 1.5rem; max-width: 48rem;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
}
/* Hoş geldiniz rozeti */
.hero__welcome {
  display: inline-flex; align-items: center; gap: 0.6rem; border-radius: 999px;
  border: 1px solid color-mix(in oklch, var(--primary) 40%, transparent);
  background: color-mix(in oklch, var(--primary) 10%, transparent);
  padding: 0.42rem 1rem 0.42rem 0.85rem; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.14em; color: var(--primary); backdrop-filter: blur(8px);
  animation: heroFadeUp 0.7s var(--ease) both;
}
.hero__welcome-dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px color-mix(in oklch, var(--primary) 22%, transparent); animation: hsHalo 2s ease-in-out infinite; }
/* Dönen slogan */
.hero__rotator { margin-top: 1.1rem; min-height: 2rem; animation: heroFadeUp 0.7s var(--ease) 0.15s both; }
.hero__rotator-text {
  display: inline-block; font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.05rem, 2vw, 1.55rem); color: var(--foreground);
  border-left: 3px solid var(--primary); padding-left: 0.9rem; line-height: 1.3;
  opacity: 1; transform: translateY(0); transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.hero__rotator-text.is-out { opacity: 0; transform: translateY(10px); }
@keyframes heroFadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.hero__desc { margin-top: 1.35rem; max-width: 36rem; color: var(--muted-foreground); font-size: 1.05rem; }

/* ============================================================
   VIDEO HERO (sol yazı + sağ video, kaydırmalı)
   ============================================================ */
.vhero { position: relative; }
.vhero__viewport { position: relative; overflow: hidden; }
.vhero__track { display: flex; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.vhero__slide { flex: 0 0 100%; min-width: 100%; }
.vhero__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: center;
  padding: 3.5rem 1rem;
}
@media (min-width: 640px) { .vhero__inner { padding: 4rem 1.5rem; } }
@media (min-width: 1024px) { .vhero__inner { grid-template-columns: 0.75fr 1.25fr; gap: 3rem; padding: 4.5rem 2rem; } }
.vhero__copy { order: 2; animation: heroFadeUp 0.7s var(--ease) both; }
.vhero__media { order: 1; }
@media (min-width: 1024px) { .vhero__copy { order: 1; } .vhero__media { order: 2; } }
.vhero__eyebrow { display: inline-flex; align-items: center; border-radius: 999px; border: 1px solid var(--border); background: color-mix(in oklch, var(--card) 40%, transparent); padding: 0.375rem 1rem; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.22em; color: var(--primary); backdrop-filter: blur(8px); }
.vhero__title { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; line-height: 1.06; margin-top: 1.25rem; font-size: clamp(2rem, 4.5vw, 3.6rem); }
.vhero__desc { margin-top: 1.25rem; max-width: 34rem; color: var(--muted-foreground); font-size: 1.03rem; }
.vhero__cta { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
/* Kutu, videonun kendi oranına göre boyutlanır (oran JS ile atanır) */
.vhero__video-wrap { position: relative; width: 100%; aspect-ratio: 16 / 9; max-height: 82vh; border-radius: 1.25rem; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 30px 60px rgba(0,0,0,.45); background: #0c0d10; margin: 0 auto; }
.vhero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
/* Dikey (mobil boyutlu) videolar: yüksekliğe göre sığdır, ortala */
.vhero__video-wrap.is-portrait { width: auto; height: 80vh; max-height: 80vh; }

/* --- Video oynatıcı kontrolleri --- */
.vhero__video { cursor: pointer; }
.vhero__playbig {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 4.5rem; height: 4.5rem; border-radius: 50%; border: 0; cursor: pointer; z-index: 4;
  background: color-mix(in oklch, var(--primary) 92%, transparent); color: var(--primary-foreground);
  display: grid; place-items: center; box-shadow: 0 12px 34px rgba(0,0,0,.55);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}
.vhero__playbig svg { width: 2rem; height: 2rem; margin-left: 3px; }
.vhero__playbig:hover { transform: translate(-50%, -50%) scale(1.08); }
.vhero__video-wrap.is-playing .vhero__playbig { opacity: 0; pointer-events: none; }

.vplayer {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 5;
  display: flex; align-items: center; gap: 0.7rem; padding: 1.5rem 0.9rem 0.85rem;
  background: linear-gradient(to top, rgba(0,0,0,.7), transparent);
  opacity: 0; transform: translateY(6px); transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.vhero__video-wrap:hover .vplayer, .vhero__video-wrap:not(.is-playing) .vplayer { opacity: 1; transform: translateY(0); }
.vplayer__btn { background: none; border: 0; color: #fff; cursor: pointer; padding: 0; display: grid; place-items: center; width: 2rem; height: 2rem; flex: 0 0 auto; transition: color 0.2s var(--ease); }
.vplayer__btn:hover { color: var(--primary); }
.vplayer__btn svg { width: 1.35rem; height: 1.35rem; }
.vplayer .ic { display: none; }
.vhero__video-wrap:not(.is-playing) .vplayer__toggle .ic-play { display: block; }
.vhero__video-wrap.is-playing .vplayer__toggle .ic-pause { display: block; }
.vhero__video-wrap.is-muted .vplayer__mute .ic-muted { display: block; }
.vhero__video-wrap:not(.is-muted) .vplayer__mute .ic-sound { display: block; }
.vplayer__bar { position: relative; flex: 1; height: 5px; border-radius: 999px; background: rgba(255,255,255,.28); cursor: pointer; }
.vplayer__bar:hover { height: 7px; }
.vplayer__fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 999px; background: var(--primary); }
.vplayer__fill::after { content: ""; position: absolute; right: -5px; top: 50%; transform: translateY(-50%); width: 11px; height: 11px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 3px rgba(0,0,0,.25); }
.vplayer__time { color: rgba(255,255,255,.92); font-size: 0.75rem; font-variant-numeric: tabular-nums; flex: 0 0 auto; }

/* Yuvarlaksız turuncu oklar */
.vhero__nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 15; background: none; border: 0; padding: 0.25rem; cursor: pointer; color: var(--primary); line-height: 0; filter: drop-shadow(0 2px 8px rgba(0,0,0,.75)); transition: transform 0.2s var(--ease); }
.vhero__nav:hover { transform: translateY(-50%) scale(1.18); }
.vhero__nav svg { width: 2.6rem; height: 2.6rem; }
.vhero__prev { left: 0.35rem; }
.vhero__next { right: 0.35rem; }
@media (min-width: 640px) { .vhero__nav svg { width: 3.4rem; height: 3.4rem; } .vhero__prev { left: 1.25rem; } .vhero__next { right: 1.25rem; } }
.vhero__dots { position: absolute; bottom: 4.25rem; left: 0; right: 0; display: flex; justify-content: center; gap: 0.5rem; z-index: 12; }
.vhero__dot { width: 0.6rem; height: 0.6rem; border-radius: 999px; background: color-mix(in oklch, var(--muted-foreground) 55%, transparent); border: 0; cursor: pointer; padding: 0; transition: all 0.25s var(--ease); }
.vhero__dot.active { background: var(--primary); width: 1.7rem; }
.hero__cta { margin-top: 2.25rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.hero__stats { grid-column: span 4; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; align-self: end; }
@media (min-width: 1024px) { .hero__stats { grid-template-columns: 1fr; gap: 0; } }
.hero__stat { padding: 1rem 0; }
@media (min-width: 1024px) { .hero__stat { border-top: 1px solid var(--border); padding: 1.25rem 0; } .hero__stat:first-child { border-top: 0; } }
.hero__stat .v { font-family: var(--font-display); font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 700; color: var(--primary); }
.hero__stat .l { margin-top: 0.25rem; font-size: 0.8rem; color: var(--muted-foreground); }
.hero__scroll { position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%); display: none; }
@media (min-width: 768px) { .hero__scroll { display: block; } }
.hero__scroll .mouse { height: 2.25rem; width: 1.25rem; border-radius: 999px; border: 1px solid var(--border); display: flex; justify-content: center; padding: 0.25rem; }
.hero__scroll .dot { height: 0.5rem; width: 0.25rem; border-radius: 999px; background: var(--primary); animation: scrollDot 1.8s ease-in-out infinite; }
@keyframes scrollDot { 0%,100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

/* ============================================================
   REVEAL (scroll animasyon)
   ============================================================ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   HOTSPOTS (etkileşimli sistem haritası)
   ============================================================ */
.hotspots { max-width: 64rem; margin: 0 auto 3.5rem; }
/* Açılıştaki sistem haritası daha geniş görünsün (yanlardaki boşlukları doldurur) */
.hotspots-lead .container { max-width: var(--maxw); }
.hotspots-lead .hotspots { max-width: 100%; }

/* Açılış: solda başlık, sağda baloncuklar */
.lead { display: flex; flex-direction: column; align-items: flex-start; gap: 1.5rem; margin: 0 0 0.5rem; animation: heroFadeUp 0.7s var(--ease) both; }
@media (min-width: 900px) { .lead { flex-direction: row; align-items: center; justify-content: space-between; gap: 2.5rem; } }
.lead__text { text-align: left; max-width: 54rem; }
.lead__eyebrow { display: inline-flex; align-items: center; gap: 0.4rem; margin-bottom: 0.8rem; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--primary); }
.lead__cta { flex: 0 0 auto; }
.lead-badge__line {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.7rem, 4vw, 3rem); letter-spacing: -0.015em; line-height: 1.12;
  color: var(--foreground); text-shadow: 0 2px 30px rgba(0,0,0,.4);
}
/* Vurgulu kelimeler: parlayan altın gradient */
.lead-hl {
  background: linear-gradient(100deg,
    var(--primary),
    color-mix(in oklch, var(--primary) 55%, white) 45%,
    var(--primary) 70%);
  background-size: 220% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: leadShine 3.6s linear infinite;
  filter: drop-shadow(0 0 18px color-mix(in oklch, var(--primary) 45%, transparent));
}
@keyframes leadShine { to { background-position: 220% center; } }
.lead-badge__rule { display: block; width: 4rem; height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--primary), transparent); margin: 1.2rem 0 0; box-shadow: 0 0 14px color-mix(in oklch, var(--primary) 60%, transparent); }

/* ---- Açılış Slider (sol büyük görsel + sağ numaralı sistem paneli) ---- */
.hslider { margin: 0 auto 3.5rem; display: grid; grid-template-columns: 1fr; gap: 1.75rem; }
@media (min-width: 1024px) { .hslider { grid-template-columns: minmax(0, 1fr) 340px; gap: 2rem; align-items: center; } }
.hslider__main { position: relative; }
.hslider__viewport { position: relative; overflow: hidden; padding: 48px 0; }
.hslider__track { display: flex; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.hslider__slide { flex: 0 0 100%; min-width: 100%; }

/* Yuvarlaksız, belirgin turuncu oklar */
.hslider__nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 15;
  background: none; border: 0; padding: 0.25rem; cursor: pointer;
  color: var(--primary); line-height: 0;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,.75));
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}
.hslider__nav:hover { transform: translateY(-50%) scale(1.18); color: color-mix(in oklch, var(--primary) 80%, white); }
.hslider__nav svg { width: 2.75rem; height: 2.75rem; }
.hslider__prev { left: 0.25rem; }
.hslider__next { right: 0.25rem; }
@media (min-width: 640px) { .hslider__nav svg { width: 3.6rem; height: 3.6rem; } .hslider__prev { left: 0.75rem; } .hslider__next { right: 0.75rem; } }

.hslider__dots { display: flex; justify-content: center; gap: 0.5rem; margin-top: 0.4rem; }
.hslider__dot { width: 0.6rem; height: 0.6rem; border-radius: 999px; background: color-mix(in oklch, var(--muted-foreground) 55%, transparent); border: 0; cursor: pointer; padding: 0; transition: all 0.25s var(--ease); }
.hslider__dot.active { background: var(--primary); width: 1.7rem; }

/* Sağ panel: numaralı sistem listesi */
.hslider__side-head { margin-bottom: 1.25rem; }
.hslider__side-title { font-family: var(--font-display); font-size: clamp(1.4rem, 2.2vw, 1.9rem); font-weight: 700; margin-top: 0.35rem; }
.hslider__side-sub { margin-top: 0.5rem; font-size: 0.85rem; color: var(--muted-foreground); }
.hslider__legend { list-style: none; display: none; flex-direction: column; gap: 0.6rem; margin: 0; padding: 0; }
.hslider__legend.active { display: flex; }
.hslider__legend-item {
  width: 100%; display: flex; align-items: center; gap: 0.9rem; text-align: left;
  border: 1px solid var(--border); border-radius: 0.85rem; background: color-mix(in oklch, var(--card) 55%, transparent);
  padding: 0.7rem 0.85rem; cursor: pointer; color: inherit;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}
.hslider__legend-item:hover, .hslider__legend-item.active { border-color: color-mix(in oklch, var(--primary) 55%, transparent); background: color-mix(in oklch, var(--primary) 10%, var(--card)); transform: translateX(3px); }
.hslider__legend-num { flex: 0 0 auto; width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center; background: var(--primary); color: var(--primary-foreground); font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; box-shadow: 0 0 0 4px color-mix(in oklch, var(--primary) 20%, transparent); }
.hslider__legend-text { flex: 1; display: flex; flex-direction: column; gap: 0.1rem; min-width: 0; }
.hslider__legend-title { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; }
.hslider__legend-code { font-size: 0.72rem; letter-spacing: 0.08em; color: var(--primary); font-weight: 600; }
.hslider__legend-arrow { width: 1.1rem; height: 1.1rem; color: var(--muted-foreground); flex: 0 0 auto; transition: color 0.2s var(--ease), transform 0.2s var(--ease); }
.hslider__legend-item:hover .hslider__legend-arrow { color: var(--primary); transform: translateX(3px); }
.hslider__legend-empty { color: var(--muted-foreground); font-size: 0.85rem; padding: 0.5rem; }

.hotspots__frame { position: relative; }
.hotspots__img { position: relative; overflow: hidden; border-radius: 1.5rem; border: 1px solid var(--border); box-shadow: 0 30px 60px rgba(0,0,0,.4); }
.hotspots__img img { display: block; width: 100%; height: auto; user-select: none; }
.hotspots__img::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(120% 90% at 50% 45%, transparent 60%, rgba(0,0,0,.25) 100%); }
.hotspots__hint { position: absolute; bottom: 0.75rem; left: 50%; transform: translateX(-50%); display: none; align-items: center; gap: 0.5rem; border-radius: 999px; border: 1px solid rgba(255,255,255,.15); background: rgba(0,0,0,.45); padding: 0.35rem 1rem; font-size: 11px; font-weight: 500; color: rgba(255,255,255,.9); backdrop-filter: blur(8px); }
.hotspots__hint svg { width: 0.9rem; height: 0.9rem; color: var(--primary); }
@media (min-width: 640px) { .hotspots__hint { display: inline-flex; } }
.hotspots__layer { position: absolute; inset: 0; }
.hotspot { position: absolute; transform: translate(-50%, -50%); z-index: 10; }
.hotspot.open { z-index: 30; }
.hotspot__btn { position: relative; background: none; border: 0; padding: 0; cursor: pointer; outline: none; display: block; }
.hotspot__halo { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 3rem; height: 3rem; border-radius: 50%; background: color-mix(in oklch, var(--primary) 40%, transparent); filter: blur(6px); animation: hsHalo 2.4s ease-in-out infinite; z-index: -1; }
@keyframes hsHalo { 0%,100% { opacity: .5; transform: translate(-50%,-50%) scale(1); } 50% { opacity: 1; transform: translate(-50%,-50%) scale(1.25); } }
.hotspot__ping { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 1rem; height: 1rem; border-radius: 50%; border: 2px solid color-mix(in oklch, var(--primary) 80%, transparent); animation: hsPing 1.8s ease-out infinite; }
@keyframes hsPing { 0% { transform: translate(-50%,-50%) scale(1); opacity: .9; } 100% { transform: translate(-50%,-50%) scale(2.6); opacity: 0; } }
.hotspot__dot { display: grid; place-items: center; width: 1.75rem; height: 1.75rem; border-radius: 50%; background: var(--primary); color: var(--primary-foreground); font-family: var(--font-display); font-weight: 700; font-size: 0.85rem; line-height: 1; box-shadow: 0 0 0 4px color-mix(in oklch, var(--primary) 30%, transparent), 0 0 18px 4px color-mix(in oklch, var(--primary) 90%, transparent); transition: transform .3s var(--ease); }
.hotspot__btn:hover .hotspot__dot, .hotspot.open .hotspot__dot { transform: scale(1.25); }
.hotspot__bubble { position: absolute; z-index: 20; width: 15rem; opacity: 0; visibility: hidden; transform: scale(0.9); transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s; left: 50%; translate: -50% 0; }
@media (min-width: 640px) { .hotspot__bubble { width: 18rem; } }
.hotspot.up .hotspot__bubble { bottom: 100%; margin-bottom: 1rem; }
.hotspot.down .hotspot__bubble { top: 100%; margin-top: 1rem; }
.hotspot.left .hotspot__bubble { left: 0; translate: 0 0; }
.hotspot.right .hotspot__bubble { left: auto; right: 0; translate: 0 0; }
.hotspot.open .hotspot__bubble { opacity: 1; visibility: visible; transform: scale(1); }
.hotspot__card { overflow: hidden; border-radius: 1rem; border: 1px solid var(--border); background: color-mix(in oklch, var(--card) 95%, transparent); box-shadow: 0 24px 50px rgba(0,0,0,.5); backdrop-filter: blur(12px); }
.hotspot__media { position: relative; height: 8rem; overflow: hidden; }
.hotspot__media img { width: 100%; height: 100%; object-fit: cover; }
.hotspot__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, color-mix(in oklch, var(--card) 90%, transparent), transparent 60%); }
.hotspot__code { position: absolute; left: 0.75rem; top: 0.75rem; border-radius: 999px; background: rgba(0,0,0,.55); padding: 0.25rem 0.6rem; font-size: 10px; font-weight: 600; letter-spacing: 0.1em; color: var(--primary); backdrop-filter: blur(4px); }
.hotspot__body { padding: 1rem; }
.hotspot__body h3 { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; }
.hotspot__body p { margin-top: 0.4rem; font-size: 0.78rem; color: var(--muted-foreground); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hotspot__link { margin-top: 0.75rem; display: inline-flex; width: 100%; align-items: center; justify-content: center; gap: 0.4rem; border-radius: 0.75rem; background: var(--primary); padding: 0.5rem; font-size: 0.78rem; font-weight: 600; color: var(--primary-foreground); }
.hotspot__link svg { width: 0.9rem; height: 0.9rem; }

/* ============================================================
   ÜRÜN KARTLARI
   ============================================================ */
.cards-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; margin-top: 3rem; }
@media (min-width: 640px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cards-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1280px) { .cards-grid { grid-template-columns: repeat(4, 1fr); } }

.pcard {
  position: relative; overflow: hidden; border-radius: 1rem;
  border: 1px solid var(--border); background: var(--card);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
  display: flex; flex-direction: column;
}
.pcard:hover { transform: translateY(-6px); border-color: color-mix(in oklch, var(--primary) 45%, transparent); box-shadow: 0 24px 50px rgba(0,0,0,.35); }
.pcard__media { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--secondary); }
.pcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.pcard:hover .pcard__media img { transform: scale(1.06); }
.pcard__code {
  position: absolute; top: 0.9rem; left: 0.9rem; z-index: 2;
  border-radius: 999px; background: oklch(0.17 0.004 60 / 0.7); backdrop-filter: blur(6px);
  padding: 0.3rem 0.7rem; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; color: var(--primary);
}
.pcard__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, oklch(0.17 0.004 60 / 0.6), transparent 55%); }
.pcard__body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.pcard__title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; }
.pcard__desc { margin-top: 0.5rem; font-size: 0.9rem; color: var(--muted-foreground); flex: 1; }
.pcard__link { margin-top: 1.1rem; display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; font-weight: 600; color: var(--primary); transition: gap .2s var(--ease); }
.pcard:hover .pcard__link { gap: 0.7rem; }
.pcard__link svg { width: 1rem; height: 1rem; }

.head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem; }

/* ============================================================
   PROJELER
   ============================================================ */
.projects-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; margin-top: 3rem; }
@media (min-width: 768px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .projects-grid { grid-template-columns: repeat(4, 1fr); } }
.projects-grid .jcard:first-child { grid-column: span 1; }
@media (min-width: 1024px) { .projects-grid .jcard.featured { grid-column: span 2; grid-row: span 2; } }

.jcard {
  position: relative; overflow: hidden; border-radius: 1rem; border: 1px solid var(--border);
  min-height: 16rem; display: block; transition: border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.jcard.featured { min-height: 22rem; }
.jcard:hover { border-color: color-mix(in oklch, var(--primary) 45%, transparent); box-shadow: 0 24px 50px rgba(0,0,0,.35); }
.jcard img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.jcard:hover img { transform: scale(1.07); }
.jcard__ov { position: absolute; inset: 0; background: linear-gradient(to top, oklch(0.15 0.004 60 / 0.92), oklch(0.15 0.004 60 / 0.25) 55%, transparent); }
.jcard__body { position: absolute; inset: auto 0 0 0; padding: 1.4rem; }
.jcard__cat { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--primary); }
.jcard__title { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; margin-top: 0.3rem; }
.jcard__loc { font-size: 0.85rem; color: var(--muted-foreground); margin-top: 0.15rem; }

/* ============================================================
   REFERANSLAR (kayan şerit)
   ============================================================ */
.refs { overflow: hidden; }
.refs__track { display: flex; gap: 3rem; width: max-content; animation: marquee 40s linear infinite; }
.refs:hover .refs__track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.refs__item {
  display: grid; place-items: center; height: 4rem; min-width: 9rem; padding: 0 1.5rem;
  color: var(--muted-foreground); font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  letter-spacing: 0.05em; opacity: 0.65; transition: opacity .3s, color .3s; white-space: nowrap;
}
.refs__item:hover { opacity: 1; color: var(--primary); }
.refs__item img { max-height: 3rem; width: auto; object-fit: contain; filter: brightness(0) invert(1); opacity: 0.7; }

/* ============================================================
   CTA
   ============================================================ */
.cta {
  position: relative; overflow: hidden; border-radius: 1.5rem;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, oklch(0.24 0.02 62), oklch(0.19 0.005 60));
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
}
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 70% 10%, color-mix(in oklch, var(--primary) 18%, transparent), transparent 60%); }
.cta > * { position: relative; }
.cta__title { font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.75rem); font-weight: 700; }
.cta__desc { margin: 1rem auto 0; max-width: 34rem; color: var(--muted-foreground); }
.cta__btn { margin-top: 2rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { position: relative; margin-top: 6rem; border-top: 1px solid var(--border); background: color-mix(in oklch, var(--card) 40%, transparent); }
.footer__grid { display: grid; gap: 2.5rem; max-width: var(--maxw); margin: 0 auto; padding: 4rem 1rem; }
@media (min-width: 768px) { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer__grid { grid-template-columns: repeat(4, 1fr); padding-left: 2rem; padding-right: 2rem; } }
.footer h3 { font-size: 0.875rem; font-weight: 600; margin-bottom: 1rem; }
.footer__desc { max-width: 18rem; font-size: 0.875rem; color: var(--muted-foreground); margin-top: 1rem; }
.footer__links { display: flex; flex-direction: column; gap: 0.65rem; font-size: 0.875rem; color: var(--muted-foreground); }
.footer__links a:hover { color: var(--primary); }
.footer__social { display: flex; gap: 0.5rem; margin-top: 1rem; }
.footer__social a { display: inline-flex; height: 2.25rem; width: 2.25rem; align-items: center; justify-content: center; border-radius: 999px; border: 1px solid var(--border); color: var(--muted-foreground); transition: color .2s, border-color .2s; }
.footer__social a:hover { border-color: var(--primary); color: var(--primary); }
.footer__social svg { width: 1rem; height: 1rem; }
.footer__contact li { display: flex; gap: 0.75rem; margin-bottom: 0.75rem; font-size: 0.875rem; color: var(--muted-foreground); }
.footer__contact svg { width: 1rem; height: 1rem; flex: none; color: var(--primary); margin-top: 0.15rem; }
.footer__bottom { border-top: 1px solid var(--border); }
.footer__bottom .inner { max-width: var(--maxw); margin: 0 auto; padding: 1.5rem 1rem; display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.75rem; color: var(--muted-foreground); }
@media (min-width: 640px) { .footer__bottom .inner { flex-direction: row; align-items: center; justify-content: space-between; } }
.footer__bottom .brand { font-family: var(--font-display); letter-spacing: 0.2em; }
.footer__dev { display: inline-flex; align-items: center; gap: 0.35rem; }
.footer__dev a { color: var(--primary); font-weight: 700; letter-spacing: 0.02em; transition: opacity 0.2s var(--ease); }
.footer__dev a:hover { opacity: 0.8; text-decoration: underline; }

/* ============================================================
   İÇ SAYFALAR — ortak başlık
   ============================================================ */
.page-top { padding-top: 7rem; }
.page-head { border-bottom: 1px solid var(--border); background: color-mix(in oklch, var(--card) 30%, transparent); }
.page-head .inner { max-width: var(--maxw); margin: 0 auto; padding: 4rem 1.25rem; }
@media (min-width: 640px) { .page-head .inner { padding: 5rem 1.25rem; } }
.page-eyebrow { display: inline-flex; align-items: center; gap: 0.75rem; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--primary); }
.page-eyebrow::before { content: ""; height: 1px; width: 2rem; background: var(--primary); }
.page-title { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; margin-top: 1rem; max-width: 48rem; font-size: clamp(2rem, 4.5vw, 3rem); }
.page-sub { margin-top: 1.25rem; max-width: 42rem; color: var(--muted-foreground); font-size: 1.1rem; }
.page-wrap { max-width: var(--maxw); margin: 0 auto; padding: 4rem 1.25rem; }

/* ---------- Ürünler sayfası: değişimli satırlar ---------- */
.prod-rows { display: flex; flex-direction: column; gap: 6rem; }
.prod-row { display: grid; gap: 2.5rem; align-items: center; scroll-margin-top: 7rem; }
@media (min-width: 1024px) { .prod-row { grid-template-columns: 1fr 1fr; gap: 4rem; } .prod-row.rev .prod-row__media { order: 2; } }
.prod-row__media { position: relative; overflow: hidden; border-radius: 1.5rem; border: 1px solid var(--border); box-shadow: 0 30px 60px rgba(0,0,0,.35); }
.prod-row__media img { aspect-ratio: 4/3; width: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.prod-row__media:hover img { transform: scale(1.05); }
.prod-row__code { position: absolute; left: 1.25rem; top: 1.25rem; border-radius: 999px; background: oklch(0.17 0.004 60 / 0.7); backdrop-filter: blur(6px); padding: 0.3rem 0.75rem; font-family: var(--font-display); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; color: var(--primary); }
.prod-row h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 700; letter-spacing: -0.02em; }
.prod-row p { margin-top: 1rem; font-size: 1.05rem; color: var(--muted-foreground); }
.feat-list { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }
.feat-list li { display: flex; align-items: center; gap: 0.75rem; }
.feat-list .chk { display: grid; place-items: center; height: 1.5rem; width: 1.5rem; flex: none; border-radius: 999px; background: color-mix(in oklch, var(--primary) 15%, transparent); color: var(--primary); }
.feat-list .chk svg { width: 0.85rem; height: 0.85rem; }

/* ---------- Projeler: filtreler ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem; }
.filter-pill { position: relative; border-radius: 999px; padding: 0.5rem 1.25rem; font-size: 0.875rem; font-weight: 600; color: var(--muted-foreground); background: transparent; border: 0; transition: color .2s var(--ease); }
.filter-pill:hover { color: var(--foreground); }
.filter-pill.active { color: var(--primary-foreground); background: var(--primary); }
.pgrid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .pgrid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pgrid { grid-template-columns: repeat(3, 1fr); } }
.pgrid .jcard { min-height: 20rem; }
.jcard.hide { display: none; }

/* ---------- Proje detay ---------- */
.pd-hero { position: relative; height: 55vh; min-height: 400px; overflow: hidden; }
.pd-hero img { height: 100%; width: 100%; object-fit: cover; animation: heroZoom 1.4s var(--ease) both; }
.pd-hero__ov { position: absolute; inset: 0; background: linear-gradient(to top, var(--background), oklch(0.17 0.004 60 / 0.4) 40%, oklch(0.17 0.004 60 / 0.2)); }
.pd-hero__body { position: absolute; inset: auto 0 0 0; max-width: 72rem; margin: 0 auto; padding: 0 1.25rem 3rem; }
.pd-back { display: inline-flex; align-items: center; gap: 0.5rem; border-radius: 999px; border: 1px solid var(--border); background: oklch(0.17 0.004 60 / 0.5); backdrop-filter: blur(8px); padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 500; margin-bottom: 1rem; transition: color .2s, border-color .2s; }
.pd-back:hover { border-color: var(--primary); color: var(--primary); }
.pd-back svg { width: 0.9rem; height: 0.9rem; }
.pd-title { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.75rem); font-weight: 700; letter-spacing: -0.02em; }
.pd-loc { margin-top: 0.75rem; display: flex; align-items: center; gap: 0.5rem; font-size: 1.1rem; color: var(--muted-foreground); }
.pd-loc svg { width: 1.1rem; height: 1.1rem; color: var(--primary); }
.pd-grid { display: grid; gap: 3rem; }
@media (min-width: 1024px) { .pd-grid { grid-template-columns: 2fr 1fr; gap: 4rem; } }
.pd-h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; }
.pd-desc { margin-top: 1rem; font-size: 1.05rem; color: var(--muted-foreground); }
.pd-gallery { margin-top: 3rem; }
.pd-gallery__grid { display: grid; gap: 1rem; grid-template-columns: 1fr; margin-top: 1.5rem; }
@media (min-width: 640px) { .pd-gallery__grid { grid-template-columns: repeat(2, 1fr); } }
.pd-gallery__grid > div { overflow: hidden; border-radius: 1rem; border: 1px solid var(--border); }
.pd-gallery__grid img { aspect-ratio: 4/3; width: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.pd-gallery__grid > div:hover img { transform: scale(1.05); }
.pd-used { margin-top: 3rem; }
.pd-used__grid { display: grid; gap: 1rem; grid-template-columns: 1fr; margin-top: 1.5rem; }
@media (min-width: 640px) { .pd-used__grid { grid-template-columns: repeat(2, 1fr); } }
.pd-used__item { display: flex; align-items: center; gap: 1rem; border-radius: 1rem; border: 1px solid var(--border); background: color-mix(in oklch, var(--card) 40%, transparent); padding: 1rem; transition: border-color .3s, background .3s; }
.pd-used__item:hover { border-color: color-mix(in oklch, var(--primary) 30%, transparent); background: color-mix(in oklch, var(--card) 70%, transparent); }
.pd-used__item .thumb { height: 4rem; width: 4rem; flex: none; overflow: hidden; border-radius: 0.75rem; }
.pd-used__item .thumb img { height: 100%; width: 100%; object-fit: cover; }
.pd-used__item h3 { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; }
.pd-used__item p { margin-top: 0.15rem; font-size: 0.78rem; color: var(--muted-foreground); }
.pd-info { position: sticky; top: 6rem; border-radius: 1rem; border: 1px solid var(--border); background: color-mix(in oklch, var(--card) 40%, transparent); padding: 1.5rem; backdrop-filter: blur(8px); }
.pd-info h2 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; }
.pd-info__list { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 1rem; }
.pd-info__item { display: flex; align-items: flex-start; gap: 0.75rem; }
.pd-info__item .ic { display: grid; place-items: center; height: 2.25rem; width: 2.25rem; flex: none; border-radius: 0.6rem; background: color-mix(in oklch, var(--primary) 10%, transparent); color: var(--primary); }
.pd-info__item .ic svg { width: 1rem; height: 1rem; }
.pd-info__item .lbl { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted-foreground); }
.pd-info__item .val { margin-top: 0.15rem; font-size: 0.9rem; font-weight: 500; }

/* ---------- Referanslar sayfası ---------- */
.refgrid { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .refgrid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { .refgrid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .refgrid { grid-template-columns: repeat(5, 1fr); } }
.refcard { position: relative; display: grid; place-items: center; aspect-ratio: 3/2; overflow: hidden; border-radius: 1rem; border: 1px solid var(--border); background: #fff; padding: 1.5rem; transition: border-color .5s, box-shadow .5s; text-align: center; }
.refcard:hover { border-color: color-mix(in oklch, var(--primary) 40%, transparent); box-shadow: 0 20px 40px rgba(0,0,0,.15); }
.refcard span { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; letter-spacing: 0.02em; color: #444; transition: color .3s; }
.refcard:hover span { color: var(--primary); }
.refcard img { max-height: 3.5rem; max-width: 140px; object-fit: contain; opacity: 0.55; filter: grayscale(1); transition: all .5s; }
.refcard:hover img { opacity: 1; filter: grayscale(0); transform: scale(1.1); }
.stats-row { margin-top: 5rem; display: grid; gap: 1.5rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .stats-row { grid-template-columns: repeat(4, 1fr); } }
.stat-card { border-radius: 1rem; border: 1px solid var(--border); background: color-mix(in oklch, var(--card) 40%, transparent); padding: 1.5rem; text-align: center; backdrop-filter: blur(8px); }
.stat-card .v { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; color: var(--primary); }
.stat-card .l { margin-top: 0.25rem; font-size: 0.875rem; color: var(--muted-foreground); }

/* ---------- İletişim ---------- */
.contact-grid { display: grid; gap: 3rem; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 3fr 2fr; gap: 4rem; } }
.field-label { display: block; margin-bottom: 0.5rem; font-size: 0.875rem; font-weight: 500; }
.field { width: 100%; height: 3rem; border-radius: 0.75rem; border: 1px solid var(--border); background: color-mix(in oklch, var(--card) 60%, transparent); padding: 0 1rem; color: var(--foreground); backdrop-filter: blur(8px); transition: border-color .2s, box-shadow .2s; font-family: inherit; font-size: 0.95rem; }
textarea.field { height: auto; padding: 0.85rem 1rem; resize: none; }
.field:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in oklch, var(--primary) 20%, transparent); }
.field::placeholder { color: color-mix(in oklch, var(--muted-foreground) 60%, transparent); }
.form-grid2 { display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .form-grid2 { grid-template-columns: repeat(2, 1fr); } }
.info-card { border-radius: 1rem; border: 1px solid var(--border); background: color-mix(in oklch, var(--card) 40%, transparent); padding: 1.25rem; backdrop-filter: blur(8px); transition: border-color .3s; margin-bottom: 1rem; }
.info-card:hover { border-color: color-mix(in oklch, var(--primary) 30%, transparent); }
.info-card__row { display: flex; gap: 1rem; }
.info-card .ic { display: grid; place-items: center; height: 2.75rem; width: 2.75rem; flex: none; border-radius: 0.75rem; background: color-mix(in oklch, var(--primary) 10%, transparent); color: var(--primary); }
.info-card .ic svg { width: 1.25rem; height: 1.25rem; }
.info-card .lbl { font-size: 0.875rem; font-weight: 600; }
.info-card .val { margin-top: 0.15rem; font-size: 0.875rem; color: var(--muted-foreground); }
.info-card .val:hover { color: var(--primary); }
.form-alert { display: flex; align-items: center; gap: 0.5rem; border-radius: 0.75rem; padding: 0.85rem 1rem; font-size: 0.875rem; margin-top: 0.5rem; }
.form-alert.ok { border: 1px solid color-mix(in oklch, oklch(0.7 0.15 155) 40%, transparent); background: color-mix(in oklch, oklch(0.7 0.15 155) 12%, transparent); color: oklch(0.8 0.15 155); }
.form-alert.err { border: 1px solid color-mix(in oklch, var(--destructive) 40%, transparent); background: color-mix(in oklch, var(--destructive) 12%, transparent); color: oklch(0.72 0.18 25); }

/* ---------- Katalog ---------- */
.cat-download { margin-top: 3rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: center; }
.cat-empty { text-align: center; color: var(--muted-foreground); padding: 3rem 0; }

/* ---- Katalog: solda kapak + PDF, sağda çift-sayfalı kitap ---- */
.page-wrap--wide { max-width: var(--maxw); }
.catrow { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; margin: 0 auto 5rem; }
@media (min-width: 960px) { .catrow { grid-template-columns: 300px 1fr; gap: 3.5rem; } }
.catrow__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.5rem, 2.6vw, 2.1rem); letter-spacing: -0.01em; display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.catrow__wave { width: 3.4rem; height: 0.85rem; color: var(--primary); flex: 0 0 auto; }
.catrow__desc { margin-top: 0.9rem; color: var(--muted-foreground); font-size: 0.98rem; }
.catcover { margin-top: 1.5rem; border-radius: 0.5rem; overflow: hidden; background: #14161b; border: 1px solid var(--border); box-shadow: 0 18px 44px rgba(0,0,0,.4); aspect-ratio: 3 / 4; }
.catcover__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.catrow__dl { margin-top: 1.4rem; }

/* çift sayfalı kitap (StPageFlip mount) */
.catbook__stage { position: relative; }
.flip { width: 100%; margin: 0 auto; touch-action: pan-y; }
.flip__loading { position: absolute; inset: 0; display: grid; place-items: center; z-index: 5; }
.book__spinner { width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 3px solid rgba(255,255,255,.14); border-top-color: var(--primary); animation: bookSpin 0.9s linear infinite; }
@keyframes bookSpin { to { transform: rotate(360deg); } }
/* sağdaki dikey araç çubuğu */
.flip__tools { position: absolute; top: 50%; right: -0.5rem; transform: translateY(-50%); z-index: 8; display: flex; flex-direction: column; gap: 0.55rem; }
@media (min-width: 640px) { .flip__tools { right: -1.4rem; } }
.flip__tool { width: 2.5rem; height: 2.5rem; border-radius: 0.7rem; display: grid; place-items: center; cursor: pointer; border: 1px solid var(--border); background: color-mix(in oklch, var(--card) 80%, transparent); color: var(--primary); backdrop-filter: blur(8px); box-shadow: 0 8px 20px rgba(0,0,0,.3); transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease); }
.flip__tool:hover { background: var(--primary); color: var(--primary-foreground); transform: scale(1.08); }
.flip__tool svg { width: 1.25rem; height: 1.25rem; }
.flip__count { text-align: center; margin-top: 1rem; font-family: var(--font-display); font-weight: 600; color: var(--muted-foreground); font-variant-numeric: tabular-nums; }
/* StPageFlip gölgeleri koyu temada iyi dursun */
.flip .stf__parent { margin: 0 auto; }
.flip .stf__block { border-radius: 4px; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}