/* ═══════════════════════════════════════════════════════════
   KAYADAN — Niksar Doğal İçme Suyu
   Tasarım sistemi + sayfa stilleri
   ═══════════════════════════════════════════════════════════ */

/* ── 1. Tokenlar ─────────────────────────────────────────── */
:root {
  /* Logodan türetilen lacivert skalası */
  --navy-900: #04101f;
  --navy-850: #061a33;
  --navy-800: #0a2148;
  --navy-700: #12315e;
  --navy-600: #1d4a86;
  --navy-400: #4c7fbd;

  /* Etiketlerdeki altın bant */
  --gold:     #c39a4e;
  --gold-lt:  #e6cf9a;
  --gold-dk:  #8f6f2f;

  --ice:      #e9f2fa;
  --paper:    #f7f5f0;
  --paper-2:  #efece5;
  --ink:      #101b28;
  --ink-soft: #4a5967;

  --white:    #ffffff;

  /* Tipografi */
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Ölçek — viewport'a göre akışkan */
  --fs-display: clamp(3rem, 8.2vw, 7.5rem);
  --fs-h2:      clamp(2.25rem, 5vw, 4.25rem);
  --fs-h3:      clamp(1.15rem, 1.6vw, 1.4rem);
  --fs-lead:    clamp(1.02rem, 1.25vw, 1.2rem);
  --fs-body:    clamp(0.95rem, 1.05vw, 1.05rem);
  --fs-micro:   0.72rem;

  /* Ritim */
  --shell: 1280px;
  --gut: clamp(1.25rem, 4vw, 3.5rem);
  --sec-y: clamp(5rem, 11vw, 10rem);

  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 14px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ── 2. Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.68;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }

img, video, iframe, svg { display: block; max-width: 100%; }
img, video { height: auto; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
address { font-style: normal; }

::selection { background: var(--navy-700); color: var(--gold-lt); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── 3. Yardımcılar ──────────────────────────────────────── */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.section { padding-block: var(--sec-y); position: relative; }

.section--dark {
  background: var(--navy-900);
  color: var(--ice);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-dk);
  margin-bottom: 1.4rem;
}
.eyebrow::before {
  content: "";
  width: 2.2rem;
  height: 1px;
  background: currentColor;
  opacity: 0.65;
}
.eyebrow--light { color: var(--gold-lt); }

.h2 {
  font-family: var(--serif);
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 1.4rem;
  color: var(--navy-800);
  text-wrap: balance;
}
.h2 em {
  font-style: italic;
  font-weight: 300;
  color: var(--gold-dk);
}
.h2--light { color: var(--white); }
.h2--light em { color: var(--gold-lt); }

.section__head { max-width: 46rem; margin: 0 auto clamp(3rem, 6vw, 5rem); text-align: center; }
.urunler .section__head { max-width: 68rem; }

/* Tek satırda kalması istenen başlık: yazı boyutu viewport'la birlikte
   küçülür, böylece nowrap taşmaya yol açmaz. Telefonda sarmaya izin
   veriyoruz — 400 px'e tek satır sığdırmak okunmaz hâle getirirdi. */
@media (min-width: 700px) {
  .h2--oneline { white-space: nowrap; font-size: min(4.25rem, 6.4vw); }
}
.section__head .eyebrow::before { display: none; }
.section__head--left { margin-inline: 0; text-align: left; }
.section__head--left .eyebrow::before { display: inline-block; }
.section__lead { font-size: var(--fs-lead); color: var(--ink-soft); margin: 0; text-wrap: pretty; }
.section--dark .section__lead { color: rgba(233, 242, 250, 0.66); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
.grid-2--wide { align-items: start; }

/* ── 4. Butonlar ─────────────────────────────────────────── */
.btn {
  --btn-fg: var(--navy-900);
  --btn-bg: var(--gold);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.65em;
  padding: 1.05em 2em;
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--btn-fg);
  background: var(--btn-bg);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), color 0.35s var(--ease);
}
.btn svg {
  width: 1.05em; height: 1.05em;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.45s var(--ease);
}
/* Altın butonun üzerine kayarak gelen lacivert dolgu */
.btn::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--navy-800);
  transform: translateY(101%);
  transition: transform 0.5s var(--ease);
  z-index: -1;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -14px rgba(4, 16, 31, 0.6); }
.btn:hover::after { transform: translateY(0); }
.btn--gold:hover { color: var(--gold-lt); }
.btn--gold:hover svg { transform: translateX(4px); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.38);
  backdrop-filter: blur(6px);
}
.btn--ghost::after { background: var(--white); }
.btn--ghost:hover { color: var(--navy-900); border-color: var(--white); }

/* ── 5. Preloader ────────────────────────────────────────── */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  background: var(--navy-900);
  transition: opacity 0.7s var(--ease), visibility 0.7s;
}
.loader.is-done { opacity: 0; visibility: hidden; }

.loader__mark { position: relative; text-align: center; }
.loader__peaks { width: clamp(120px, 22vw, 190px); height: auto; margin-inline: auto; }
.loader__outline {
  fill: none;
  stroke: rgba(233, 242, 250, 0.22);
  stroke-width: 1.6;
  stroke-linejoin: round;
}
/* Dağ siluetinin içi aşağıdan yukarı "su" gibi dolar */
.loader__fill {
  fill: var(--gold);
  transform-origin: 50% 100%;
  transform: scaleY(0);
  transition: transform 0.25s linear;
}
.loader__word {
  display: block;
  margin-top: 1.3rem;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  color: var(--ice);
}
.loader__pct {
  display: block;
  margin-top: 0.7rem;
  font-size: var(--fs-micro);
  letter-spacing: 0.3em;
  color: rgba(233, 242, 250, 0.45);
}
.loader__pct::after { content: "%"; }

/* ── 6. Navigasyon ───────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  transition: background 0.5s var(--ease), backdrop-filter 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.nav__inner {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(0.9rem, 1.6vw, 1.5rem) var(--gut);
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  transition: padding 0.5s var(--ease);
}
/* Yapışkan menü koyu cam: sayfa açık ve koyu bölümler arasında gidip geldiği
   için tek bir koyu ton, her iki zeminde de okunur ve logo hep beyaz kalır. */
.nav.is-stuck {
  background: rgba(6, 26, 51, 0.84);
  backdrop-filter: blur(18px) saturate(150%);
  box-shadow: 0 1px 0 rgba(195, 154, 78, 0.22);
}
.nav.is-stuck .nav__inner { padding-block: 0.7rem; }

.brand { flex: 0 0 auto; }
.brand__logo {
  width: auto;
  height: clamp(34px, 4.4vw, 48px);
  /* Logo şeffaf zeminli, tek renk lacivert PNG.
     Koyu hero üzerinde beyaza çeviriyoruz; nav yapışınca kendi rengine döner. */
  filter: brightness(0) invert(1);
  transition: height 0.5s var(--ease);
}
.nav.is-stuck .brand__logo { height: clamp(28px, 3.4vw, 38px); }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2.1rem);
  margin-inline-start: auto;
}
.nav__links a {
  position: relative;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.88);
  padding-block: 0.35rem;
  transition: color 0.35s var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.nav__links a:hover::after,
.nav__links a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__links a:hover, .nav__links a.is-active { color: var(--white); }

.nav__phone {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  padding: 0.7em 1.25em;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--white);
  white-space: nowrap;
  transition: background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.nav__phone svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nav__phone:hover { background: var(--gold); border-color: var(--gold); color: var(--navy-900); }

.nav__burger { display: none; width: 30px; height: 22px; position: relative; }
.nav__burger span {
  position: absolute; left: 0;
  width: 100%; height: 1.5px;
  background: var(--white);
  transition: transform 0.45s var(--ease), background 0.45s var(--ease), opacity 0.3s;
}
.nav__burger span:nth-child(1) { top: 6px; }
.nav__burger span:nth-child(2) { top: 14px; }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

.nav__progress {
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-lt));
  transform: scaleX(0);
  transform-origin: left;
}

/* ── 7. Hero ─────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 9rem 7rem;
  overflow: hidden;
  background: var(--navy-900);
  color: var(--white);
}
.hero__media { position: absolute; inset: -6% 0 0; z-index: 0; }
.hero__video {
  width: 100%; height: 100%;
  object-fit: cover;
  will-change: transform;
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 16, 31, 0.72) 0%, rgba(4, 16, 31, 0.32) 34%, rgba(4, 16, 31, 0.55) 68%, rgba(4, 16, 31, 0.94) 100%),
    radial-gradient(120% 80% at 50% 45%, rgba(4, 16, 31, 0) 30%, rgba(4, 16, 31, 0.6) 100%);
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.55; }

.hero__content { position: relative; z-index: 2; text-align: center; }

.hero__title {
  font-family: var(--serif);
  font-size: var(--fs-display);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin: 0 0 1.6rem;
  text-shadow: 0 2px 40px rgba(4, 16, 31, 0.5);
}
.hero__title em { font-style: italic; color: var(--gold-lt); }
/* Maskeli açılış için overflow:hidden şart; line-height 0.98 olduğundan
   "ğ, ı, y" alt uzantıları kırpılmasın diye alta pay verip negatif
   margin ile satır aralığını geri topluyoruz. */
.hero__title .line {
  display: block;
  overflow: hidden;
  padding-block: 0.06em 0.2em;
  margin-block-end: -0.16em;
}
.hero__title .line > span { display: block; }

.hero__lead {
  max-width: 44rem;
  margin: 0 auto 2.6rem;
  font-size: var(--fs-lead);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.82);
  text-wrap: pretty;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; }

.hero__ph {
  position: absolute;
  z-index: 2;
  right: var(--gut);
  top: 50%;
  /* GSAP `transform`e yazdığı için dikey ortalamayı ayrı `translate`
     özelliğinde tutuyoruz; aksi halde animasyon konumu bozardı. */
  translate: 0 -50%;
  display: grid;
  place-items: center;
  width: clamp(94px, 11vw, 130px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(230, 207, 154, 0.45);
  background: rgba(4, 16, 31, 0.3);
  backdrop-filter: blur(10px);
  text-align: center;
}
.hero__ph-val {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1;
  color: var(--gold-lt);
}
.hero__ph-lbl {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.35rem;
}

.hero__cue {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 2.2rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}
.hero__cue i { display: block; width: 1px; height: 46px; background: rgba(255, 255, 255, 0.25); position: relative; overflow: hidden; }
.hero__cue i::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--gold-lt);
  animation: cue 2.2s var(--ease-io) infinite;
}
@keyframes cue {
  0%   { transform: translateY(-100%); }
  55%  { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* ── 8. Marquee ──────────────────────────────────────────── */
.marquee {
  background: var(--navy-800);
  color: var(--ice);
  padding-block: 1.15rem;
  overflow: hidden;
  border-block: 1px solid rgba(195, 154, 78, 0.25);
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  width: max-content;
  animation: slide 42s linear infinite;
}
.marquee__track span {
  font-family: var(--serif);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  letter-spacing: 0.09em;
  white-space: nowrap;
}
.marquee__track i { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); flex: 0 0 auto; }
@keyframes slide { to { transform: translateX(-50%); } }

/* ── 9. Kurumsal ─────────────────────────────────────────── */
.kurumsal { background: var(--paper); }
.kurumsal__text p { margin: 0 0 1.15rem; color: var(--ink-soft); max-width: 34rem; }
.kurumsal__text p strong { color: var(--navy-800); font-weight: 600; }
.kurumsal__text p em { font-style: italic; color: var(--navy-700); }

.factlist { margin-top: 2.4rem; border-top: 1px solid rgba(18, 49, 94, 0.13); }
.factlist li {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 1rem;
  padding-block: 0.95rem;
  border-bottom: 1px solid rgba(18, 49, 94, 0.13);
  font-size: 0.9rem;
}
.factlist__k {
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-dk);
  padding-top: 0.28em;
}
.factlist__v { color: var(--navy-800); }

.kurumsal__media { position: relative; }

.framed {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--navy-800);
}
.framed img, .framed video { width: 100%; height: 100%; object-fit: cover; }
.framed::after {
  content: "";
  position: absolute; inset: 0;
  border: 1px solid rgba(195, 154, 78, 0.35);
  border-radius: inherit;
  pointer-events: none;
}
.framed--video { aspect-ratio: 4 / 5; }
.kurumsal__media .framed { aspect-ratio: 4 / 5; }

/* Dönen mühür */
.stamp {
  position: absolute;
  left: clamp(-1.5rem, -2vw, -0.5rem);
  bottom: clamp(-1.5rem, -2vw, -0.5rem);
  width: clamp(112px, 13vw, 152px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--navy-800);
  box-shadow: 0 18px 40px -18px rgba(4, 16, 31, 0.7);
}
.stamp svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  animation: spin 26s linear infinite;
}
.stamp text {
  font-family: var(--sans);
  font-size: 7.2px;
  font-weight: 600;
  letter-spacing: 0.14em;
  fill: var(--gold-lt);
}
.stamp__core {
  font-family: var(--serif);
  font-size: 1.75rem;
  line-height: 0.9;
  color: var(--ice);
  text-align: center;
}
.stamp__core br + * , .stamp__core { }
.stamp__core { font-size: clamp(1.4rem, 2vw, 1.8rem); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 10. Ürünler ─────────────────────────────────────────── */
.urunler { background: var(--navy-900); }
.urunler::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(90% 60% at 50% 0%, rgba(29, 74, 134, 0.32), transparent 70%);
  pointer-events: none;
}
.urunler .shell { position: relative; z-index: 1; }

.products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 1.8vw, 1.6rem);
}

.pcard {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(170deg, rgba(29, 74, 134, 0.22), rgba(4, 16, 31, 0.5));
  border: 1px solid rgba(233, 242, 250, 0.1);
  transition: border-color 0.5s var(--ease), transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
  transform-style: preserve-3d;
}
.pcard:hover {
  border-color: rgba(195, 154, 78, 0.55);
  box-shadow: 0 34px 60px -30px rgba(0, 0, 0, 0.9);
}

.pcard__media {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--navy-850);
}
.pcard__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease), filter 0.9s var(--ease);
}
.pcard:hover .pcard__media img { transform: scale(1.06); filter: brightness(1.08); }

/* Kart üzerinde gezinen ışık huzmesi */
.pcard__glow {
  position: absolute; inset: 0;
  background: radial-gradient(circle 190px at var(--mx, 50%) var(--my, 50%), rgba(230, 207, 154, 0.2), transparent 65%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}
.pcard:hover .pcard__glow { opacity: 1; }

.pcard__size {
  position: absolute;
  top: 0.9rem; left: 0.9rem;
  padding: 0.4em 0.85em;
  border-radius: 999px;
  background: rgba(4, 16, 31, 0.62);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(230, 207, 154, 0.35);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--gold-lt);
}

.pcard__body {
  padding: 1.5rem 1.4rem 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  flex: 1;
  border-top: 1px solid rgba(233, 242, 250, 0.08);
}
.pcard__name {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2vw, 1.75rem);
  font-weight: 500;
  line-height: 1.1;
  margin: 0;
  color: var(--white);
}
.pcard__desc {
  font-size: 0.86rem;
  line-height: 1.6;
  color: rgba(233, 242, 250, 0.6);
  margin: 0;
  flex: 1;
}
.pcard__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.7rem;
}
.pcard__specs span {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: 0.35em 0.7em;
  border-radius: var(--r-sm);
  background: rgba(233, 242, 250, 0.07);
  color: rgba(233, 242, 250, 0.72);
}

/* Kullanım sahneleri — iki satır, ters yönlerde sonsuz kayan şerit */
.gallery { margin-top: clamp(3rem, 6vw, 5rem); }
.gallery__ttl {
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-lt);
  text-align: center;
  margin: 0 0 1.6rem;
}

/* Şerit bölümün kenarlarını taşsın: shell'in yatay boşluğunu iptal edip
   tam genişliğe yayıyoruz, sonsuz akış hissi ancak böyle oluşuyor. */
.gscroll {
  display: grid;
  gap: clamp(0.7rem, 1.4vw, 1.1rem);
  margin-inline: calc(var(--gut) * -1);
  width: calc(100% + var(--gut) * 2);
}

.gscroll__row {
  overflow: hidden;
  /* Kenarlarda sert kesim yerine yumuşak sönüm */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.gscroll__track {
  display: flex;
  gap: clamp(0.7rem, 1.4vw, 1.1rem);
  width: max-content;
  /* Şerit birebir iki kez basıldığı için -%50 tam bir tur eder ve
     dikiş yeri görünmez. */
  animation: gslide 78s linear infinite;
  will-change: transform;
}
.gscroll__row--rev .gscroll__track { animation-direction: reverse; }
.gscroll__row:hover .gscroll__track,
.gscroll__row:focus-within .gscroll__track { animation-play-state: paused; }

@keyframes gslide { to { transform: translateX(-50%); } }

.gscroll figure {
  flex: 0 0 auto;
  margin: 0;
  width: clamp(210px, 24vw, 330px);
  aspect-ratio: 4 / 3;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--navy-850);
  border: 1px solid rgba(233, 242, 250, 0.1);
  transition: border-color 0.5s var(--ease);
}
.gscroll figure:hover { border-color: rgba(195, 154, 78, 0.5); }
.gscroll img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}
.gscroll figure:hover img { transform: scale(1.06); }

/* ── 11. Kaynak (story) ──────────────────────────────────── */
.story {
  position: relative;
  color: var(--ice);
  overflow: hidden;
  padding-block: clamp(6rem, 13vw, 12rem);
}
.story__media { position: absolute; inset: -8% 0 0; z-index: 0; }
.story__video, .dagitim__video { width: 100%; height: 100%; object-fit: cover; }
.story__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4, 16, 31, 0.9), rgba(6, 26, 51, 0.6) 45%, rgba(4, 16, 31, 0.92));
}
.story__inner { position: relative; z-index: 1; max-width: 62rem; }
.story__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}
.story__cols p { margin: 0; color: rgba(233, 242, 250, 0.75); text-wrap: pretty; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2.4rem;
  border-top: 1px solid rgba(230, 207, 154, 0.24);
}
.metric__v {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  line-height: 1;
  color: var(--gold-lt);
  font-variant-numeric: tabular-nums;
}
.metric__l {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: rgba(233, 242, 250, 0.5);
}

/* ── 12. Üretim & Kalite ─────────────────────────────────── */
.kalite { background: var(--paper-2); }

.steps { counter-reset: s; }
.steps li {
  position: relative;
  padding: 1.5rem 0 1.5rem 4.2rem;
  border-bottom: 1px solid rgba(18, 49, 94, 0.14);
}
.steps li:first-child { padding-top: 0; }
.steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.steps__n {
  position: absolute;
  left: 0;
  top: 1.5rem;
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--gold);
  line-height: 1;
}
.steps li:first-child .steps__n { top: 0; }
.steps h3 {
  font-family: var(--serif);
  font-size: var(--fs-h3);
  font-weight: 600;
  margin: 0 0 0.4rem;
  color: var(--navy-800);
}
.steps p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }

/* ── 13. Dağıtım ─────────────────────────────────────────── */
.dagitim { position: relative; overflow: hidden; padding-block: clamp(5.5rem, 12vw, 10rem); }
.dagitim__media { position: absolute; inset: -8% 0 0; z-index: 0; }
.dagitim__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(4, 16, 31, 0.95) 18%, rgba(4, 16, 31, 0.62) 58%, rgba(4, 16, 31, 0.4));
}
.dagitim__inner { position: relative; z-index: 1; max-width: 40rem; }
.dagitim__inner p { color: rgba(233, 242, 250, 0.76); margin: 0 0 2rem; }

.chips { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.chips span {
  padding: 0.55em 1.05em;
  border-radius: 999px;
  border: 1px solid rgba(230, 207, 154, 0.38);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--gold-lt);
  background: rgba(4, 16, 31, 0.35);
  backdrop-filter: blur(6px);
}

/* ── 13b. Su analizi ─────────────────────────────────────── */
.analiz { background: var(--paper); }

.analiz__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3.5vw, 3rem);
  align-items: start;
}

.analiz__table {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(18, 49, 94, 0.1);
}
.analiz table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.analiz thead th {
  text-align: left;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-dk);
  padding: 1rem 1.3rem;
  background: var(--paper-2);
  border-bottom: 1px solid rgba(18, 49, 94, 0.12);
}
.analiz tbody th {
  text-align: left;
  font-weight: 500;
  color: var(--navy-800);
  padding: 0.85rem 1.3rem;
}
.analiz tbody td { padding: 0.85rem 1.3rem; color: var(--ink-soft); }
.analiz tbody tr + tr th, .analiz tbody tr + tr td { border-top: 1px solid rgba(18, 49, 94, 0.09); }
.analiz tbody tr:nth-child(even) { background: rgba(18, 49, 94, 0.022); }
.analiz .num { text-align: right; font-variant-numeric: tabular-nums; color: var(--navy-700); font-weight: 500; }

.badges { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; margin-bottom: 1.6rem; }
.badge {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 1rem 1.1rem;
  border-radius: var(--r-md);
  background: var(--navy-800);
  color: rgba(233, 242, 250, 0.6);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}
.badge strong {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--gold-lt);
}

.notes { display: grid; gap: 0.8rem; }
.notes li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--ink-soft);
}
.notes li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

/* ── 13c. SSS ────────────────────────────────────────────── */
.sss { background: var(--navy-900); }
.faq { max-width: 56rem; margin-inline: auto; }

.faq details {
  border-bottom: 1px solid rgba(233, 242, 250, 0.13);
}
.faq details:first-child { border-top: 1px solid rgba(233, 242, 250, 0.13); }

.faq summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.35rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.7vw, 1.4rem);
  color: var(--ice);
  transition: color 0.35s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--gold-lt); }

/* Artı → çarpı dönüşen açılış işareti */
.faq summary::after {
  content: "";
  flex: 0 0 auto;
  margin-inline-start: auto;
  width: 14px; height: 14px;
  background:
    linear-gradient(var(--gold), var(--gold)) center/100% 1.5px no-repeat,
    linear-gradient(var(--gold), var(--gold)) center/1.5px 100% no-repeat;
  transition: transform 0.4s var(--ease);
}
.faq details[open] summary::after { transform: rotate(135deg); }

.faq details p {
  margin: 0 0 1.5rem;
  padding-right: 2.5rem;
  font-size: 0.94rem;
  color: rgba(233, 242, 250, 0.66);
  text-wrap: pretty;
}
.faq details p strong { color: var(--gold-lt); font-weight: 600; }
.faq details p a { color: var(--gold-lt); text-decoration: underline; text-underline-offset: 3px; }

/* Yalnızca ekran okuyucular için */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ── 14. İletişim ────────────────────────────────────────── */
.iletisim { background: var(--paper); }

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: stretch;
}
.contact__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(0.8rem, 1.5vw, 1.1rem);
  align-content: start;
}

.ccard {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.6rem 1.4rem;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid rgba(18, 49, 94, 0.1);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
}
a.ccard:hover {
  transform: translateY(-4px);
  border-color: rgba(195, 154, 78, 0.6);
  box-shadow: 0 22px 40px -24px rgba(4, 16, 31, 0.45);
}
.ccard--wide { grid-column: 1 / -1; }
.ccard__ico {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--navy-800);
  margin-bottom: 0.6rem;
}
.ccard__ico svg {
  width: 17px; height: 17px;
  fill: none; stroke: var(--gold-lt); stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}
.ccard__k {
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-dk);
}
.ccard__v { font-size: 1rem; color: var(--navy-800); line-height: 1.5; }
.ccard__v--sm { font-size: 0.84rem; letter-spacing: 0.02em; }
.ccard__v--sm + .ccard__v--sm { color: var(--ink-soft); margin-top: 0.35rem; }
.ccard__v a { color: var(--navy-700); text-decoration: underline; text-underline-offset: 3px; }
.ccard__v a:hover { color: var(--gold-dk); }

/* Adres kartlarındaki "Yol tarifi al" bağlantısı — kartın altına yaslanır ki
   iki adres kartı yan yana dururken bağlantılar aynı hizada olsun. */
.ccard__link {
  margin-top: auto;
  padding-top: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gold-dk);
  transition: gap 0.35s var(--ease), color 0.35s var(--ease);
}
.ccard__link::after { content: "→"; transition: transform 0.35s var(--ease); }
.ccard__link:hover { color: var(--navy-700); }
.ccard__link:hover::after { transform: translateX(3px); }

.contact__map {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(18, 49, 94, 0.1);
  min-height: 380px;
  background: var(--paper-2);
}
.contact__map iframe {
  width: 100%; height: 100%;
  min-height: 380px;
  border: 0;
  filter: grayscale(0.35) contrast(1.05);
}

/* ── 15. Footer ──────────────────────────────────────────── */
.foot { background: var(--navy-900); color: rgba(233, 242, 250, 0.66); padding-top: clamp(3.5rem, 7vw, 5.5rem); }
.foot__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.foot__brand img {
  height: 44px; width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.92;
  margin-bottom: 1.1rem;
}
.foot__brand p { margin: 0; font-size: 0.88rem; max-width: 22rem; }

.foot__nav, .foot__col { display: flex; flex-direction: column; gap: 0.55rem; font-size: 0.88rem; }
.foot__ttl {
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 0.5rem;
}
.foot__nav a, .foot a { transition: color 0.3s var(--ease); }
.foot__nav a:hover, .foot a:hover { color: var(--gold-lt); }

.foot__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 2rem;
  justify-content: space-between;
  padding-block: 1.5rem;
  border-top: 1px solid rgba(233, 242, 250, 0.1);
  font-size: 0.76rem;
  color: rgba(233, 242, 250, 0.42);
}

/* ── 16. Başa dön ────────────────────────────────────────── */
.totop {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  z-index: 800;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--navy-800);
  border: 1px solid rgba(195, 154, 78, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease), visibility 0.45s, background 0.35s;
}
.totop.is-on { opacity: 1; visibility: visible; transform: none; }
.totop:hover { background: var(--gold); }
.totop svg { width: 17px; height: 17px; fill: none; stroke: var(--gold-lt); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.totop:hover svg { stroke: var(--navy-900); }

/* ── 17. Giriş animasyonu (JS yoksa da içerik görünür) ───── */
[data-anim] { will-change: transform, opacity; }
.js [data-anim="fade"] { opacity: 0; transform: translateY(26px); }
.js .hero__title .line > span { transform: translateY(105%); }

/* ── 18. Responsive ──────────────────────────────────────── */
@media (max-width: 1080px) {
  .products { grid-template-columns: repeat(2, 1fr); }
  .foot__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 880px) {
  .nav__phone { display: none; }
  .nav__burger { display: block; }

  .nav__links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 1.6rem;
    background: var(--navy-900);
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.45s var(--ease), transform 0.45s var(--ease), visibility 0.45s;
  }
  .nav__links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__links a,
  .nav.is-stuck .nav__links a {
    font-family: var(--serif);
    font-size: 1.9rem;
    letter-spacing: 0.02em;
    color: var(--ice);
  }
  /* Menü tam ekran kaplarken logo ve hamburger üstte kalmalı */
  .nav__burger { margin-inline-start: auto; z-index: 2; }
  .brand { position: relative; z-index: 2; }

  .grid-2, .contact, .story__cols, .analiz__grid { grid-template-columns: 1fr; }
  .contact__cards { grid-template-columns: 1fr 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; }
  .hero__ph { display: none; }
  .kurumsal__media { order: -1; }
  .kurumsal__media .framed, .framed--video { aspect-ratio: 3 / 2; }
}

@media (max-width: 560px) {
  .products { grid-template-columns: 1fr; }
  .contact__cards { grid-template-columns: 1fr; }
  .foot__inner { grid-template-columns: 1fr; }
  .factlist li { grid-template-columns: 1fr; gap: 0.2rem; }
  .hero { padding-block: 8rem 6rem; }
  .btn { padding: 1em 1.6em; font-size: 0.76rem; }
  .stamp { display: none; }
}

/* Alçak ekranlarda (yatay telefon, küçük dizüstü) "Kaydır" ipucu
   butonların üstüne biniyor — bu boyutlarda gizliyoruz. */
@media (max-height: 760px) and (min-width: 561px) {
  .hero__cue { display: none; }
}

/* ── 19. Erişilebilirlik: hareket azaltma ───────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-anim="fade"] { opacity: 1; transform: none; }
  .js .hero__title .line > span { transform: none; }
  .hero__canvas { display: none; }

  /* Kayan şerit durur, elle kaydırılabilir hâle gelir */
  .gscroll__track { animation: none !important; }
  .gscroll__row { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
}