/* ==========================================================================
   AYG × 98°Fahren — Sayfa ve bölüm stilleri
   ========================================================================== */

/* ------------------------------------------------------------- 1. Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 1.5rem + 7vw, 7rem) clamp(3rem, 1.5rem + 6vw, 6rem);
  background: var(--ink-900);
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__bg::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -30%;
  height: 130%;
  background:
    radial-gradient(760px 460px at 18% 22%, rgba(255, 75, 43, 0.22), transparent 60%),
    radial-gradient(820px 520px at 78% 38%, rgba(53, 214, 245, 0.2), transparent 62%),
    radial-gradient(600px 400px at 55% 100%, rgba(29, 111, 232, 0.16), transparent 65%);
  filter: blur(6px);
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(76% 62% at 50% 42%, #000 20%, transparent 100%);
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2rem, 1rem + 4vw, 4rem);
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  align-items: center;
}

.hero h1 {
  font-size: var(--step-5);
  margin-bottom: 22px;
}
.hero h1 em { font-style: normal; display: block; }

/* Rakamlar başlığın taşıyıcısı — biraz daha sıkı ve iri dizilir. */
.hero__title {
  letter-spacing: -0.035em;
  line-height: 1.02;
}
.hero__title .grad-text,
.hero__title .cool-text {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.045em;
}
.hero__lead {
  font-size: clamp(1rem, 0.95rem + 0.45vw, 1.2rem);
  color: var(--text-dim);
  max-width: 54ch;
  margin-bottom: 32px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.hero__stat .n {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.2rem);
  font-weight: 800;
  line-height: 1;
  background: var(--grad-thermal);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__stat .t {
  display: block;
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--text-mute);
  line-height: 1.35;
}

/* Termal görsel modülü */
.thermal {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, var(--ink-800), var(--ink-850));
  padding: clamp(1.2rem, 0.8rem + 1.6vw, 2rem);
  box-shadow: var(--shadow-l);
  overflow: hidden;
}
.thermal::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad-thermal);
}
.thermal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.thermal__head span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.thermal__live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ok);
}
.thermal__live::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.thermal__figure {
  position: relative;
  aspect-ratio: 4 / 3.4;
  border-radius: var(--radius-l);
  background: radial-gradient(circle at 50% 40%, rgba(53, 214, 245, 0.1), transparent 62%), var(--ink-850);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.thermal__figure { background: #F2F4F7; }
.thermal__figure img { width: 100%; height: 100%; object-fit: cover; }

.thermal__scale {
  position: absolute;
  right: 14px; top: 14px; bottom: 14px;
  width: 10px;
  border-radius: 999px;
  background: linear-gradient(to top, var(--cool), var(--heat-lt), var(--heat));
  opacity: 0.85;
}
/* Etiketler açık zeminli ürün fotoğrafının üzerine bindiği için koyu çip. */
.thermal__scale span {
  position: absolute;
  right: 16px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(8, 11, 18, 0.78);
  backdrop-filter: blur(4px);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.thermal__marker {
  position: absolute;
  left: -5px;
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: var(--cool);
  box-shadow: 0 0 16px rgba(53, 214, 245, 0.8);
  transition: top 1.6s var(--ease-out);
}

.thermal__readout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}
.thermal__cell {
  background: var(--ink-850);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  text-align: center;
}
.thermal__cell b {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--cool);
  line-height: 1.2;
}
.thermal__cell small { color: var(--text-mute); font-size: 0.68rem; letter-spacing: 0.05em; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__stats { margin-top: 32px; }
}
@media (max-width: 420px) {
  .hero__stats { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .hero__stat { display: flex; align-items: baseline; gap: 12px; }
  .hero__stat .t { margin-top: 0; }
}

/* -------------------------------------------------------- 2. Logo şeridi */
.marquee {
  position: relative;
  overflow: hidden;
  padding-block: 26px;
  border-block: 1px solid var(--line);
  background: var(--ink-850);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: slide 38s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
.marquee__item {
  font-family: var(--font-display);
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-mute);
  white-space: nowrap;
  opacity: 0.75;
  transition: color 0.2s, opacity 0.2s;
}
.marquee__item:hover { color: var(--text); opacity: 1; }

/* ---------------------------------------------------------- 3. Ürün kartı */
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.product-card:hover {
  border-color: var(--line-cool);
  transform: translateY(-5px);
  box-shadow: 0 26px 50px -26px rgba(0, 0, 0, 0.9);
}
/* Ürün karosu: 98°Fahren stüdyo fotoğrafları açık zeminli olduğu için
   medya alanı kasıtlı olarak aydınlık tutulur — koyu arayüzde ürün öne çıkar. */
.product-card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #F2F4F7;
  overflow: hidden;
}
.product-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 -22px 34px -22px rgba(8, 11, 18, 0.16);
  pointer-events: none;
}
.product-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out), opacity 0.3s;
}
.product-card:hover .product-card__media img { transform: scale(1.06); }

.product-card__tags {
  position: absolute;
  top: 12px; left: 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  z-index: 2;
}
.product-card__fav {
  position: absolute;
  top: 12px; right: 12px;
  z-index: 2;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(8, 11, 18, 0.66);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: all 0.2s;
}
.product-card__fav:hover { color: var(--heat); border-color: rgba(255, 75, 43, 0.5); }
.product-card__fav.is-on { color: var(--heat); border-color: var(--heat); background: rgba(255, 75, 43, 0.15); }
.product-card__fav svg { width: 17px; height: 17px; }
.product-card__fav.is-on svg { fill: currentColor; }

.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
  padding: 18px;
}
.product-card__cat {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cool);
}
.product-card__title {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.25;
}
.product-card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.product-card__desc {
  font-size: 0.85rem;
  color: var(--text-mute);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.swatches { display: flex; gap: 6px; flex-wrap: wrap; }
.swatch {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 -3px 6px rgba(0, 0, 0, 0.35);
}
.swatch--more {
  width: auto;
  min-width: 18px;
  padding-inline: 5px;
  border-radius: 999px;
  border-style: dashed;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-mute);
  display: grid; place-items: center;
  box-shadow: none;
}

.product-card__foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}
.price { display: flex; flex-direction: column; gap: 2px; }
.price__now {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1;
}
.price__was {
  font-size: 0.8rem;
  color: var(--text-mute);
  text-decoration: line-through;
}
.price__kdv { font-size: 0.68rem; color: var(--text-mute); }

.product-card__add {
  position: relative;
  z-index: 2;
  flex: none;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: var(--ink-700);
  border: 1px solid var(--line-strong);
  color: var(--text);
  transition: all 0.2s var(--ease);
}
.product-card__add:hover { background: var(--cool); color: var(--ink-950); border-color: var(--cool); transform: scale(1.05); }
.product-card__add svg { width: 20px; height: 20px; }

.product-grid {
  display: grid;
  gap: clamp(0.9rem, 0.5rem + 1.2vw, 1.5rem);
  grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr));
}
@media (max-width: 560px) {
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .product-card__body { padding: 13px; gap: 7px; }
  .product-card__title { font-size: 0.92rem; }
  .product-card__desc { display: none; }
  .price__now { font-size: 1.02rem; }
  .product-card__add { width: 38px; height: 38px; border-radius: 11px; }
  .product-card__add svg { width: 17px; height: 17px; }
}
@media (max-width: 360px) {
  .product-grid { grid-template-columns: minmax(0, 1fr); }
}

/* ------------------------------------------------------------ 4. Katalog */
.catalog {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  gap: clamp(1.4rem, 1rem + 1.6vw, 2.6rem);
  align-items: start;
}
.filters {
  position: sticky;
  top: calc(var(--header-h) + 18px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 20px;
  max-height: calc(100vh - var(--header-h) - 40px);
  overflow-y: auto;
}
.filters__group + .filters__group { margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); }
.filters__group h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 14px;
}
.filters .check { margin-bottom: 11px; font-size: 0.9rem; }
.filters .check:last-child { margin-bottom: 0; }
.filters .check .cnt { color: var(--text-mute); font-family: var(--font-mono); font-size: 0.74rem; margin-left: auto; }
.filters .check span { display: inline-flex; align-items: center; gap: 8px; width: 100%; }

.catalog__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.catalog__count { font-size: 0.88rem; color: var(--text-mute); }
.catalog__count b { color: var(--text); font-family: var(--font-mono); }
.catalog__bar .select { width: auto; min-width: 190px; min-height: 44px; padding-block: 10px; }
.catalog__bar .search { position: relative; flex: 1; min-width: 190px; }
.catalog__bar .search .input { min-height: 44px; padding-left: 42px; }
.catalog__bar .search svg {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--text-mute);
  pointer-events: none;
}
.filters-toggle { display: none; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-cool);
  background: rgba(53, 214, 245, 0.08);
  color: var(--cool);
  font-size: 0.8rem;
}
.chip button { display: grid; place-items: center; color: inherit; opacity: 0.7; }
.chip button:hover { opacity: 1; }
.chip svg { width: 13px; height: 13px; }
.chip--clear { border-style: dashed; border-color: var(--line-strong); background: none; color: var(--text-mute); }

.empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: clamp(2.5rem, 2rem + 3vw, 5rem) 1rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-l);
}
.empty svg { width: 46px; height: 46px; color: var(--text-mute); margin: 0 auto 18px; }
.empty h3 { font-size: var(--step-2); margin-bottom: 10px; }
.empty p { color: var(--text-dim); margin-bottom: 22px; }

@media (max-width: 900px) {
  .catalog { grid-template-columns: minmax(0, 1fr); }
  .filters {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(360px, 88vw);
    z-index: 200;
    border-radius: 0;
    border: 0;
    border-left: 1px solid var(--line);
    background: var(--ink-850);
    max-height: none;
    transform: translateX(101%);
    transition: transform 0.4s var(--ease-out);
    padding: 20px var(--gutter) 40px;
    box-shadow: var(--shadow-l);
  }
  .filters.is-open { transform: none; }
  .filters__head {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--line);
  }
  .filters-toggle { display: inline-flex; }
}
.filters__head { display: none; }
.filters__head .drawer__title { font-size: 1rem; }

/* --------------------------------------------------------- 5. Ürün detay */
.pdp {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(1.6rem, 1rem + 3vw, 3.6rem);
  align-items: start;
}

.gallery { position: sticky; top: calc(var(--header-h) + 18px); }
.gallery__main {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: #F2F4F7;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.gallery__badge { position: absolute; top: 16px; left: 16px; z-index: 2; }
.gallery__zoom {
  position: absolute;
  bottom: 16px; right: 16px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(8, 11, 18, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  font-size: 0.76rem;
  color: var(--text-dim);
}
.gallery__zoom svg { width: 14px; height: 14px; }
.gallery__thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.gallery__thumb {
  width: 74px; height: 74px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #F2F4F7;
  overflow: hidden;
  padding: 0;
  transition: border-color 0.2s, transform 0.2s;
}
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumb:hover { transform: translateY(-2px); }
.gallery__thumb.is-active { border-color: var(--cool); box-shadow: 0 0 0 1px var(--cool); }

.pdp__head h1 { font-size: var(--step-4); margin-bottom: 12px; }
.pdp__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.stars { display: inline-flex; align-items: center; gap: 3px; color: var(--warn); }
.stars svg { width: 15px; height: 15px; fill: currentColor; }
.pdp__meta .rev { font-size: 0.84rem; color: var(--text-mute); }
.pdp__desc { color: var(--text-dim); margin-bottom: 24px; }

.pdp__price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0;
  border-block: 1px solid var(--line);
  margin-bottom: 24px;
}
.pdp__price .now { font-family: var(--font-display); font-size: var(--step-3); font-weight: 800; line-height: 1; }
.pdp__price .was { font-size: 1rem; color: var(--text-mute); text-decoration: line-through; }
.pdp__price .off {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 75, 43, 0.15);
  border: 1px solid rgba(255, 75, 43, 0.4);
  color: var(--heat-lt);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
}
.pdp__price .kdv { width: 100%; font-size: 0.78rem; color: var(--text-mute); }

.opt { margin-bottom: 24px; }
.opt__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.opt__head .label { font-size: 0.86rem; color: var(--text); font-weight: 600; }
.opt__head .val { font-size: 0.86rem; color: var(--text-mute); }
.opt__head button { font-size: 0.8rem; color: var(--cool); text-decoration: underline; text-underline-offset: 3px; }

.color-opts { display: flex; flex-wrap: wrap; gap: 10px; }
.color-opt {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 2px solid transparent;
  box-shadow: 0 0 0 1px var(--line-strong);
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}
.color-opt i {
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  box-shadow: inset 0 -4px 9px rgba(0, 0, 0, 0.4);
}
.color-opt:hover { transform: scale(1.06); }
.color-opt.is-active { border-color: var(--cool); box-shadow: 0 0 0 1px var(--cool), 0 0 16px -3px rgba(53, 214, 245, 0.6); }

.size-opts { display: flex; flex-wrap: wrap; gap: 9px; }
.size-opt {
  min-width: 54px;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-strong);
  background: var(--ink-850);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-dim);
  transition: all 0.18s var(--ease);
}
.size-opt:hover { border-color: var(--cool); color: var(--text); }
.size-opt.is-active { background: var(--cool); border-color: var(--cool); color: var(--ink-950); }
.size-opt[disabled] { opacity: 0.32; text-decoration: line-through; cursor: not-allowed; }

.qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink-850);
  overflow: hidden;
}
.qty button {
  width: 46px; height: 50px;
  display: grid; place-items: center;
  color: var(--text-dim);
  transition: background 0.2s, color 0.2s;
}
.qty button:hover { background: rgba(255, 255, 255, 0.06); color: var(--text); }
.qty button svg { width: 16px; height: 16px; }
.qty input {
  width: 52px;
  height: 50px;
  border: 0;
  background: none;
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 600;
  -moz-appearance: textfield;
}
.qty input::-webkit-outer-spin-button, .qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.pdp__buy { display: flex; gap: 12px; align-items: stretch; margin-bottom: 18px; }
.pdp__buy .btn { flex: 1; }

.pdp__assure {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr));
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  margin-bottom: 26px;
}
.pdp__assure div { display: flex; gap: 10px; align-items: flex-start; font-size: 0.82rem; color: var(--text-dim); }
.pdp__assure svg { width: 18px; height: 18px; color: var(--cool); flex: none; margin-top: 1px; }
.pdp__assure b { display: block; color: var(--text); font-size: 0.84rem; }

.spec-table th, .spec-table td {
  padding: 13px 0;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  vertical-align: top;
}
.spec-table th { color: var(--text-mute); font-weight: 500; width: 42%; }
.spec-table td { color: var(--text); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 14px 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-mute);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s;
}
.tab:hover { color: var(--text); }
.tab.is-active { color: var(--text); border-bottom-color: var(--cool); }
.tab-panel { display: none; padding-top: 26px; }
.tab-panel.is-active { display: block; animation: fade 0.35s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } }
.tab-panel p { color: var(--text-dim); max-width: 76ch; margin-bottom: 14px; }
.tab-panel ul { display: grid; gap: 10px; color: var(--text-dim); max-width: 76ch; }
.tab-panel li { position: relative; padding-left: 26px; }
.tab-panel li::before {
  content: "";
  position: absolute;
  left: 4px; top: 9px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--grad-thermal);
}

/* Yapışkan mobil satın alma çubuğu */
.buybar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 110;
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom));
  background: rgba(11, 15, 24, 0.94);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--line-strong);
  transform: translateY(110%);
  transition: transform 0.35s var(--ease-out);
}
.buybar.is-on { transform: none; }
.buybar__price { flex: none; }
.buybar__price b { display: block; font-family: var(--font-display); font-size: 1.05rem; line-height: 1.2; }
.buybar__price small { color: var(--text-mute); font-size: 0.7rem; }
.buybar .btn { flex: 1; }

@media (max-width: 900px) {
  .pdp { grid-template-columns: minmax(0, 1fr); }
  .gallery { position: static; }
  .buybar { display: flex; }
  .wa { bottom: calc(84px + env(safe-area-inset-bottom)); }
}
@media (max-width: 480px) {
  .gallery__thumb { width: 62px; height: 62px; }
  .pdp__buy { flex-wrap: wrap; }
  .pdp__buy .qty { width: 100%; justify-content: center; }
}

/* -------------------------------------------------------------- 6. Sepet */
.cart-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 372px;
  gap: clamp(1.4rem, 1rem + 2vw, 2.6rem);
  align-items: start;
}
.cart-line {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr) auto;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.cart-line:first-child { padding-top: 0; }
.cart-line__img {
  width: 104px; height: 104px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #F2F4F7;
  overflow: hidden;
}
.cart-line__img img { width: 100%; height: 100%; object-fit: cover; }
.cart-line__name { font-family: var(--font-display); font-weight: 700; font-size: 1rem; margin-bottom: 6px; }
.cart-line__name:hover { color: var(--cool); }
.cart-line__var { font-size: 0.82rem; color: var(--text-mute); margin-bottom: 12px; }
.cart-line__var span + span::before { content: "·"; margin-inline: 8px; }
.cart-line__ctrl { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.cart-line__ctrl .qty button { width: 38px; height: 40px; }
.cart-line__ctrl .qty input { width: 42px; height: 40px; }
.cart-line__rm { font-size: 0.82rem; color: var(--text-mute); display: inline-flex; align-items: center; gap: 6px; }
.cart-line__rm:hover { color: var(--err); }
.cart-line__rm svg { width: 15px; height: 15px; }
.cart-line__price { text-align: right; }
.cart-line__price b { font-family: var(--font-display); font-size: 1.05rem; display: block; }
.cart-line__price small { color: var(--text-mute); font-size: 0.74rem; }

.summary {
  position: sticky;
  top: calc(var(--header-h) + 18px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 24px;
}
.summary h3 { font-size: 1.16rem; margin-bottom: 20px; }
.summary__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.summary__row b { color: var(--text); font-family: var(--font-mono); }
.summary__row--total {
  margin-top: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line-strong);
  font-size: 1.05rem;
  color: var(--text);
}
.summary__row--total b { font-family: var(--font-display); font-size: 1.45rem; }
.summary .btn { margin-top: 20px; }

.ship-bar { margin: 16px 0 4px; }
.ship-bar__track { height: 7px; border-radius: 999px; background: var(--ink-700); overflow: hidden; }
.ship-bar__fill { height: 100%; border-radius: 999px; background: var(--grad-thermal); width: 0; transition: width 0.6s var(--ease-out); }
.ship-bar p { font-size: 0.8rem; color: var(--text-dim); margin-top: 9px; }
.ship-bar p b { color: var(--cool); }

.coupon { display: flex; gap: 8px; margin-top: 18px; }
.coupon .input { min-height: 44px; }
.coupon .btn { flex: none; min-height: 44px; }

@media (max-width: 900px) {
  .cart-layout { grid-template-columns: minmax(0, 1fr); }
  .summary { position: static; }
}
@media (max-width: 560px) {
  .cart-line { grid-template-columns: 84px minmax(0, 1fr); gap: 12px; }
  .cart-line__img { width: 84px; height: 84px; }
  .cart-line__price { grid-column: 2; text-align: left; margin-top: 4px; }
}

/* -------------------------------------------------------------- 7. Ödeme */
.checkout { display: grid; grid-template-columns: minmax(0, 1fr) 372px; gap: clamp(1.4rem, 1rem + 2vw, 2.6rem); align-items: start; }
.steps { display: flex; align-items: center; gap: 8px; margin-bottom: 30px; flex-wrap: wrap; }
.step { display: flex; align-items: center; gap: 10px; font-size: 0.86rem; color: var(--text-mute); }
.step i {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-style: normal;
}
.step.is-active { color: var(--text); }
.step.is-active i { background: var(--cool); border-color: var(--cool); color: var(--ink-950); font-weight: 700; }
.step.is-done i { border-color: var(--ok); color: var(--ok); }
.steps .sep { flex: 1; min-width: 18px; height: 1px; background: var(--line-strong); }

.panel {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: clamp(1.2rem, 1rem + 1vw, 1.8rem);
  margin-bottom: 18px;
}
.panel > h3 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.panel > h3 svg { width: 19px; height: 19px; color: var(--cool); }

.radio-card {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.radio-card + .radio-card { margin-top: 10px; }
.radio-card:hover { border-color: var(--line-cool); }
.radio-card:has(input:checked) { border-color: var(--cool); background: rgba(53, 214, 245, 0.06); }
.radio-card input {
  appearance: none;
  flex: none;
  width: 20px; height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  position: relative;
  transition: border-color 0.2s;
}
.radio-card input:checked { border-color: var(--cool); border-width: 6px; }
.radio-card b { display: block; font-family: var(--font-display); font-size: 0.96rem; }
.radio-card span { font-size: 0.83rem; color: var(--text-mute); }
.radio-card .tag { margin-left: auto; flex: none; }

.mini-line { display: flex; gap: 12px; padding: 11px 0; align-items: center; }
.mini-line img { width: 48px; height: 48px; object-fit: cover; background: #F2F4F7; border-radius: 9px; border: 1px solid var(--line); flex: none; }
.mini-line div { flex: 1; min-width: 0; }
.mini-line b { display: block; font-size: 0.86rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-line small { color: var(--text-mute); font-size: 0.75rem; }
.mini-line .p { font-family: var(--font-mono); font-size: 0.86rem; flex: none; }

@media (max-width: 900px) { .checkout { grid-template-columns: minmax(0, 1fr); } }

/* ------------------------------------------------------ 8. Sipariş sonucu */
.done { text-align: center; max-width: 620px; margin-inline: auto; }
.done__tick {
  width: 92px; height: 92px;
  margin: 0 auto 28px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.4);
  color: var(--ok);
  animation: pop 0.55s var(--ease-out);
}
.done__tick svg { width: 44px; height: 44px; }
@keyframes pop { 0% { transform: scale(0.5); opacity: 0; } 60% { transform: scale(1.08); } }
.done h1 { font-size: var(--step-4); margin-bottom: 14px; }
.done > p { color: var(--text-dim); margin-bottom: 30px; }
.order-box {
  text-align: left;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 24px;
  margin-bottom: 26px;
}
.order-box__row { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; font-size: 0.9rem; border-bottom: 1px solid var(--line); }
.order-box__row:last-child { border: 0; }
.order-box__row span { color: var(--text-mute); }
.order-box__row b { font-family: var(--font-mono); text-align: right; }

/* ---------------------------------------------------------- 9. Teknoloji */
.tech-layers {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.6rem, 1rem + 3vw, 3.4rem);
  align-items: center;
}
.layer-fig {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, var(--ink-800), var(--ink-850));
  padding: clamp(1.4rem, 1rem + 2vw, 2.6rem);
  overflow: hidden;
}
.layer-stack { display: grid; gap: 10px; }
.layer {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--ink-850);
  cursor: pointer;
  transition: all 0.28s var(--ease);
}
.layer:hover, .layer.is-active { border-color: var(--line-cool); background: rgba(53, 214, 245, 0.07); transform: translateX(6px); }
.layer__n {
  flex: none;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--ink-700);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cool);
}
.layer.is-active .layer__n { background: var(--cool); color: var(--ink-950); }
.layer b { display: block; font-family: var(--font-display); font-size: 0.98rem; }
.layer small { color: var(--text-mute); font-size: 0.8rem; }
.layer__skin {
  margin-top: 6px;
  text-align: center;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.layer-detail {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--ink-800);
  border: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--text-dim);
  min-height: 92px;
}
.layer-detail b { color: var(--cool); display: block; margin-bottom: 6px; font-family: var(--font-display); }

.tech-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr)); gap: 12px; margin-top: 28px; }
.metric {
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--ink-800);
  text-align: center;
}
.metric b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem);
  line-height: 1;
  background: var(--grad-thermal);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.metric span { display: block; margin-top: 8px; font-size: 0.78rem; color: var(--text-mute); }

.steps-flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 16px; counter-reset: s; }
.flow-step {
  position: relative;
  padding: 26px 20px 20px;
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: var(--ink-800);
  counter-increment: s;
}
.flow-step::before {
  content: "0" counter(s);
  position: absolute;
  top: -14px; left: 20px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--grad-thermal);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
}
.flow-step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.flow-step p { font-size: 0.89rem; color: var(--text-dim); }

@media (max-width: 900px) { .tech-layers { grid-template-columns: minmax(0, 1fr); } }

/* ------------------------------------------------- 10. Isı stresi aracı */
.tool-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, var(--ink-800), var(--ink-850));
  padding: clamp(1.4rem, 1rem + 2vw, 2.6rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.4rem, 1rem + 2vw, 2.8rem);
}
.tool-card__form { display: grid; gap: 20px; align-content: start; }
.range-field .range-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.range-field .range-head b { font-family: var(--font-mono); color: var(--cool); font-size: 1.05rem; }
input[type="range"] {
  width: 100%;
  height: 6px;
  appearance: none;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cool) var(--pct, 50%), var(--ink-700) var(--pct, 50%));
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--cool);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.5);
  cursor: grab;
}
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--cool);
  cursor: grab;
}

.tool-card__out {
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: var(--ink-850);
  padding: clamp(1.2rem, 1rem + 1vw, 1.8rem);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.risk-gauge { text-align: center; }
.risk-gauge__val {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 1.8rem + 3vw, 3.6rem);
  font-weight: 800;
  line-height: 1;
}
.risk-gauge__lbl {
  display: inline-block;
  margin-top: 10px;
  padding: 5px 14px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.risk-gauge__bar { height: 8px; border-radius: 999px; margin-top: 18px; background: linear-gradient(90deg, #34D399, #FBBF24, #FF8A3D, #FF4B2B); position: relative; }
.risk-gauge__pin {
  position: absolute;
  top: -5px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--ink-850);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  transform: translateX(-50%);
  transition: left 0.5s var(--ease-out);
}
.risk-note { font-size: 0.88rem; color: var(--text-dim); line-height: 1.55; }
.risk-rec { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.risk-rec > small { display: block; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 12px; }
.risk-rec__item { display: flex; gap: 12px; align-items: center; padding: 10px; border-radius: var(--radius); background: var(--ink-800); border: 1px solid var(--line); transition: border-color 0.2s; }
.risk-rec__item:hover { border-color: var(--line-cool); }
.risk-rec__item img { width: 46px; height: 46px; object-fit: cover; border-radius: 8px; background: #F2F4F7; flex: none; }
.risk-rec__item b { display: block; font-size: 0.9rem; font-family: var(--font-display); }
.risk-rec__item small { color: var(--text-mute); font-size: 0.76rem; }

@media (max-width: 820px) { .tool-card { grid-template-columns: minmax(0, 1fr); } }

/* ------------------------------------------------------------ 11. Sektör */
.sector-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: clamp(1.4rem, 1rem + 1.4vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.25s, transform 0.25s;
}
.sector-card::after {
  content: "";
  position: absolute;
  inset: auto -40% -60% auto;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 214, 245, 0.14), transparent 68%);
  opacity: 0;
  transition: opacity 0.35s;
}
.sector-card:hover { border-color: var(--line-cool); transform: translateY(-4px); }
.sector-card:hover::after { opacity: 1; }
.sector-card > * { position: relative; z-index: 1; }
.sector-card__ico {
  width: 52px; height: 52px;
  border-radius: 15px;
  display: grid; place-items: center;
  background: var(--grad-thermal);
  color: var(--ink-950);
}
.sector-card__ico svg { width: 26px; height: 26px; }
.sector-card h3 { font-size: 1.15rem; }
.sector-card p { font-size: 0.92rem; color: var(--text-dim); }
.sector-card ul { display: grid; gap: 7px; font-size: 0.85rem; color: var(--text-mute); }
.sector-card li { position: relative; padding-left: 18px; }
.sector-card li::before { content: "→"; position: absolute; left: 0; color: var(--cool); }
.sector-card .link-arrow { margin-top: auto; padding-top: 6px; }

/* --------------------------------------------------------------- 12. B2B */
.b2b-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(1.6rem, 1rem + 3vw, 3.4rem);
  align-items: center;
}
.tier-table { width: 100%; border: 1px solid var(--line); border-radius: var(--radius-l); overflow: hidden; }
.tier-table table { min-width: 560px; }
.tier-scroll { overflow-x: auto; }
.tier-table th, .tier-table td { padding: 15px 18px; text-align: left; font-size: 0.9rem; border-bottom: 1px solid var(--line); }
.tier-table thead th {
  background: var(--ink-750);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}
.tier-table tbody tr:last-child td { border-bottom: 0; }
.tier-table tbody tr:hover { background: rgba(255, 255, 255, 0.022); }
.tier-table .tier-name { font-family: var(--font-display); font-weight: 700; }
.tier-table .disc { font-family: var(--font-mono); color: var(--cool); font-weight: 700; }

.timeline { display: grid; gap: 0; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 19px; top: 12px; bottom: 12px;
  width: 2px;
  background: linear-gradient(var(--heat), var(--cool));
  opacity: 0.4;
}
.tl-item { display: grid; grid-template-columns: 40px 1fr; gap: 18px; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item i {
  position: relative;
  z-index: 1;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1px solid var(--line-cool);
  color: var(--cool);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 700;
}
.tl-item h4 { font-family: var(--font-display); font-size: 1.02rem; margin-bottom: 6px; }
.tl-item p { font-size: 0.9rem; color: var(--text-dim); }

@media (max-width: 900px) { .b2b-hero { grid-template-columns: minmax(0, 1fr); } }

/* ---------------------------------------------------------- 13. İletişim */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: clamp(1.6rem, 1rem + 3vw, 3rem);
  align-items: start;
}
.contact-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: var(--ink-800);
  transition: border-color 0.2s, transform 0.2s;
}
.contact-card:hover { border-color: var(--line-cool); transform: translateY(-3px); }
.contact-card__ico {
  flex: none;
  width: 46px; height: 46px;
  border-radius: 13px;
  display: grid; place-items: center;
  background: rgba(53, 214, 245, 0.1);
  border: 1px solid var(--line-cool);
  color: var(--cool);
}
.contact-card__ico svg { width: 21px; height: 21px; }
.contact-card h3 { font-size: 1rem; margin-bottom: 6px; }
.contact-card p, .contact-card a { font-size: 0.9rem; color: var(--text-dim); display: block; }
.contact-card a:hover { color: var(--cool); }

.map-frame {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-850);
  aspect-ratio: 16 / 10;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.4) invert(0.92) hue-rotate(180deg) contrast(0.92); }
.map-frame__fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  gap: 10px;
  align-content: center;
  color: var(--text-mute);
  font-size: 0.9rem;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
}

@media (max-width: 860px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }

/* ----------------------------------------------------------- 14. CTA blok */
.cta {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-strong);
  background: linear-gradient(140deg, var(--ink-750), var(--ink-850) 60%);
  padding: clamp(2rem, 1.4rem + 3vw, 3.6rem);
  text-align: center;
}
.cta::before {
  content: "";
  position: absolute;
  inset: -60% -10% auto -10%;
  height: 200%;
  background:
    radial-gradient(500px 300px at 22% 30%, rgba(255, 75, 43, 0.2), transparent 62%),
    radial-gradient(560px 320px at 80% 60%, rgba(53, 214, 245, 0.2), transparent 62%);
  pointer-events: none;
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { font-size: var(--step-4); margin-bottom: 16px; }
.cta p { color: var(--text-dim); max-width: 58ch; margin: 0 auto 30px; font-size: var(--step-1); }
.cta .btn-row { justify-content: center; }

/* --------------------------------------------------------- 15. Referans */
.quote-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(1.4rem, 1rem + 1.4vw, 2rem);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: var(--ink-800);
}
.quote-card blockquote { font-size: 1rem; line-height: 1.6; color: var(--text); }
.quote-card blockquote::before { content: "“"; font-family: var(--font-display); font-size: 2.6rem; line-height: 0.4; color: var(--cool); display: block; margin-bottom: 12px; }
.quote-card footer { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.quote-card .avt {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad-thermal);
  color: var(--ink-950);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.94rem;
  flex: none;
}
.quote-card cite { font-style: normal; font-weight: 600; font-size: 0.92rem; display: block; }
.quote-card small { color: var(--text-mute); font-size: 0.8rem; }

/* ------------------------------------------------------- 16. İçerik sayfa */
.prose { max-width: 78ch; }
.prose h2 { font-size: var(--step-2); margin: 2.2em 0 0.7em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: var(--step-1); margin: 1.8em 0 0.6em; }
.prose p { color: var(--text-dim); margin-bottom: 1.1em; }
.prose ul, .prose ol { color: var(--text-dim); margin-bottom: 1.4em; display: grid; gap: 9px; }
.prose ul li { position: relative; padding-left: 22px; }
.prose ul li::before { content: ""; position: absolute; left: 3px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--cool); }
.prose ol { counter-reset: p; }
.prose ol li { position: relative; padding-left: 30px; counter-increment: p; }
.prose ol li::before { content: counter(p) "."; position: absolute; left: 0; color: var(--cool); font-family: var(--font-mono); font-size: 0.85rem; }
.prose a { color: var(--cool); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--text); }
.prose table { margin-bottom: 1.6em; font-size: 0.9rem; }
.prose th, .prose td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--ink-800); font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); }
.prose td { color: var(--text-dim); }

.toc {
  position: sticky;
  top: calc(var(--header-h) + 18px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--ink-800);
  padding: 20px;
}
.toc h4 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 14px; }
.toc a { display: block; padding: 7px 0; font-size: 0.88rem; color: var(--text-dim); border-left: 2px solid transparent; padding-left: 12px; margin-left: -2px; transition: all 0.2s; }
.toc a:hover { color: var(--cool); border-color: var(--cool); }
.doc-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(1.6rem, 1rem + 3vw, 3rem); align-items: start; }
@media (max-width: 860px) {
  .doc-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; }
}

/* -------------------------------------------------------- 17. Hakkımızda */
.about-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.6rem, 1rem + 3vw, 3.4rem); align-items: center; }
@media (max-width: 860px) { .about-split { grid-template-columns: minmax(0, 1fr); } }

.value-list { display: grid; gap: 14px; }
.value-item { display: flex; gap: 16px; align-items: flex-start; }
.value-item i {
  flex: none;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: rgba(53, 214, 245, 0.1);
  border: 1px solid var(--line-cool);
  color: var(--cool);
}
.value-item i svg { width: 18px; height: 18px; }
.value-item b { display: block; font-family: var(--font-display); font-size: 1rem; margin-bottom: 3px; }
.value-item p { font-size: 0.9rem; color: var(--text-dim); }

.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(160px, 100%), 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-800);
}
.stat-strip div { padding: 26px 20px; text-align: center; border-right: 1px solid var(--line); }
.stat-strip div:last-child { border-right: 0; }
.stat-strip b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 1.3rem + 1.8vw, 2.5rem);
  line-height: 1;
  background: var(--grad-thermal);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-strip span { display: block; margin-top: 9px; font-size: 0.8rem; color: var(--text-mute); }
@media (max-width: 700px) { .stat-strip div { border-right: 0; border-bottom: 1px solid var(--line); } .stat-strip div:last-child { border-bottom: 0; } }

/* ---------------------------------------------------------------- 18. 404 */
.err-page { text-align: center; padding-block: clamp(4rem, 3rem + 6vw, 8rem); }
.err-page .code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 3rem + 14vw, 11rem);
  font-weight: 800;
  line-height: 0.9;
  background: var(--grad-thermal);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.err-page h1 { font-size: var(--step-3); margin: 20px 0 14px; }
.err-page p { color: var(--text-dim); max-width: 46ch; margin: 0 auto 30px; }

/* ------------------------------------------------------- 19. Sepet paneli */
.cart-drawer__empty { text-align: center; padding: 50px 20px; }
.cart-drawer__empty svg { width: 52px; height: 52px; color: var(--text-mute); margin: 0 auto 18px; }
.cart-drawer__empty p { color: var(--text-dim); margin-bottom: 22px; }
.drawer-line { display: grid; grid-template-columns: 68px 1fr auto; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); align-items: start; }
.drawer-line img { width: 68px; height: 68px; object-fit: cover; background: #F2F4F7; border: 1px solid var(--line); border-radius: 10px; }
.drawer-line b { font-size: 0.88rem; font-family: var(--font-display); display: block; line-height: 1.3; }
.drawer-line small { color: var(--text-mute); font-size: 0.74rem; display: block; margin: 3px 0 8px; }
.drawer-line .qty { transform-origin: left; }
.drawer-line .qty button { width: 32px; height: 34px; }
.drawer-line .qty input { width: 34px; height: 34px; font-size: 0.82rem; }
.drawer-line .pr { font-family: var(--font-mono); font-size: 0.9rem; text-align: right; }
.drawer-line .rm { color: var(--text-mute); font-size: 0.74rem; margin-top: 8px; display: block; }
.drawer-line .rm:hover { color: var(--err); }