/* ============================================================
   VK Akustik Tasarım — Ana Stil Dosyası (Açık Tema / Katalog)
   ============================================================ */

:root {
  --navy: #16222f;
  --navy-2: #1d2e40;
  --navy-3: #25394e;
  --paper: #f6f7f9;
  --card: #ffffff;
  --line: #e4e8ee;
  --soft: #eef1f4;
  --text: #2a3442;
  --muted: #64718b;
  --green: #f97316;
  --green-d: #ea580c;
  --green-soft: #fff1e3;
  --indirim: #e11d2a;
  --indirim-soft: #ffe6e6;
  --wa: #25d366;
  --wa-d: #1da851;
  --radius: 14px;
  --radius-s: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 22px -10px rgba(16, 24, 40, .12);
  --shadow-lg: 0 4px 8px rgba(16, 24, 40, .05), 0 22px 44px -16px rgba(16, 24, 40, .2);
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: #fff;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; color: var(--navy); letter-spacing: -.01em; }
h1 { font-size: clamp(1.8rem, 4.5vw, 2.7rem); font-weight: 800; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 700; }
p  { margin: 0 0 1em; }

.container { width: min(1220px, 100% - 2.5rem); margin-inline: auto; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--green); color: #fff; padding: .6rem 1rem;
  border-radius: 0 0 8px 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ---------- Üst bilgi çubuğu ---------- */
.topbar { background: var(--navy); color: #b9c5d4; font-size: .8rem; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .45rem 0; }
.topbar a { display: inline-flex; align-items: center; gap: .35rem; font-weight: 600; color: #dce5ee; }
.topbar a:hover { color: #fff; }
.topbar svg { width: 14px; height: 14px; color: var(--wa); flex-shrink: 0; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 1.3rem; }
.topbar-right span { display: inline-flex; align-items: center; gap: .35rem; font-weight: 600; }
.topbar-right svg { color: #7ed9a4; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 8px 24px -12px rgba(16, 24, 40, .18); }

.header-inner { display: flex; align-items: center; gap: 1.5rem; padding: .75rem 0; }

.brand { display: flex; align-items: center; gap: .65rem; flex-shrink: 0; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 11px;
  background: linear-gradient(135deg, var(--green), var(--green-d));
  display: grid; place-items: center;
  font-weight: 800; font-size: 1rem; color: #fff; letter-spacing: -.03em;
  box-shadow: 0 4px 12px -2px rgba(20, 154, 88, .45);
}
.brand-text { line-height: 1.15; }
.brand-text strong { display: block; color: var(--navy); font-size: 1.05rem; letter-spacing: -.01em; }
.brand-text span { display: block; color: var(--muted); font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: .15rem; list-style: none; margin: 0; padding: 0; align-items: center; }
.main-nav a {
  display: block; padding: .5rem .75rem; border-radius: 9px;
  color: var(--text); font-weight: 700; font-size: .9rem;
  transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--green-d); background: var(--green-soft); }
.main-nav a[aria-current="page"] { color: var(--green-d); }

.btn-wa-header {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--wa); color: #fff !important; font-weight: 700;
  padding: .55rem 1.05rem !important; border-radius: 99px !important;
  transition: background .2s, transform .2s;
}
.btn-wa-header:hover { background: var(--wa-d) !important; transform: translateY(-1px); }

.nav-toggle {
  display: none; margin-left: auto;
  background: none; border: 0; cursor: pointer; padding: .5rem;
}
.nav-toggle span {
  display: block; width: 26px; height: 2.5px; border-radius: 2px;
  background: var(--navy); margin: 5.5px 0; transition: transform .3s, opacity .3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero (slogan bandı) ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(800px 420px at 85% -20%, rgba(20, 154, 88, .25), transparent 60%),
    radial-gradient(600px 360px at 8% 115%, rgba(37, 99, 235, .15), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 70%, var(--navy-3) 100%);
  color: #c3cfdd;
  text-align: center;
  padding: clamp(3.2rem, 7vw, 5.5rem) 0;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.02) 0 2px, transparent 2px 52px);
}
.hero-inner { position: relative; z-index: 1; max-width: 880px; margin-inline: auto; }
.hero h1 {
  color: #fff; text-transform: uppercase; letter-spacing: .02em;
  font-size: clamp(1.5rem, 3.6vw, 2.5rem); margin-bottom: .6em;
}
.hero h1 em { font-style: normal; color: #4cd488; }
.hero .lead { font-size: clamp(.98rem, 1.8vw, 1.12rem); color: #aab8c8; max-width: 660px; margin: 0 auto 1.8rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .76rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
  color: #4cd488; margin-bottom: 1rem;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .8rem 1.7rem; border-radius: 10px;
  font-weight: 800; font-size: .95rem; font-family: var(--font);
  letter-spacing: .02em;
  border: 0; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-d));
  color: #fff;
  box-shadow: 0 8px 20px -6px rgba(20, 154, 88, .55);
}
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 8px 20px -6px rgba(37, 211, 102, .5); }
.btn-wa:hover { background: var(--wa-d); }
.btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border: 1px solid rgba(255, 255, 255, .2); }
.btn-ghost:hover { background: rgba(255, 255, 255, .15); }

/* ---------- Slider / Carousel ---------- */
.slider { position: relative; overflow: hidden; background: var(--navy); }
.slides { display: flex; transition: transform .6s cubic-bezier(.4, 0, .2, 1); }
.slide {
  min-width: 100%; position: relative;
  display: grid; place-items: center; text-align: center;
  padding: clamp(3.4rem, 8vw, 6rem) 0; overflow: hidden; color: #c3cfdd;
}
.slide::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.02) 0 2px, transparent 2px 54px);
}
.slide-1 { background: radial-gradient(800px 420px at 80% -10%, rgba(20,154,88,.28), transparent 60%), linear-gradient(160deg, #16222f, #1d2e40 70%, #25394e); }
.slide-2 { background: radial-gradient(760px 420px at 18% 0%, rgba(37,99,235,.26), transparent 60%), linear-gradient(160deg, #14202c, #1b2a3a 70%, #223448); }
.slide-3 { background: radial-gradient(820px 460px at 85% 110%, rgba(245,158,11,.26), transparent 60%), linear-gradient(160deg, #182230, #20303f 70%, #284055); }
.slide .container { position: relative; z-index: 1; max-width: 840px; }
.slide .eyebrow { color: #4cd488; justify-content: center; }
.slide h1, .slide h2 { color: #fff; font-size: clamp(1.55rem, 3.8vw, 2.6rem); margin-bottom: .55em; letter-spacing: -.01em; }
.slide h1 em, .slide h2 em { font-style: normal; color: #4cd488; }
.slide .lead { font-size: clamp(1rem, 1.9vw, 1.18rem); color: #aab8c8; max-width: 620px; margin: 0 auto 1.8rem; }
.slide .hero-ctas { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; }

.slider-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 4;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); color: #fff;
  display: grid; place-items: center; cursor: pointer;
  transition: background .2s, transform .2s; backdrop-filter: blur(4px);
}
.slider-arrow:hover { background: rgba(255,255,255,.25); }
.slider-arrow svg { width: 22px; height: 22px; }
.slider-arrow.prev { left: clamp(.6rem, 2vw, 1.5rem); }
.slider-arrow.next { right: clamp(.6rem, 2vw, 1.5rem); }
.slider-arrow.next:hover { transform: translateY(-50%) translateX(2px); }
.slider-arrow.prev:hover { transform: translateY(-50%) translateX(-2px); }

.slider-dots { position: absolute; bottom: 1.1rem; left: 0; right: 0; z-index: 4; display: flex; gap: .5rem; justify-content: center; }
.slider-dot { width: 11px; height: 11px; border-radius: 99px; border: 0; padding: 0; cursor: pointer; background: rgba(255,255,255,.35); transition: width .3s, background .3s; }
.slider-dot.active { width: 30px; background: var(--green); }

@media (max-width: 560px) {
  .slider-arrow { width: 38px; height: 38px; }
  .slider-arrow svg { width: 18px; height: 18px; }
}

/* ---------- Hero satırı: kategori menüsü + slider ---------- */
.hero-row { padding: clamp(1.1rem, 2.5vw, 1.8rem) 0; background: #fff; }
.hero-grid { display: grid; grid-template-columns: 280px 1fr; gap: 1.1rem; align-items: stretch; }
.cat-menu { display: grid; grid-template-rows: repeat(4, 1fr); gap: .7rem; }
.cat-menu-item {
  display: flex; align-items: center; gap: .85rem;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .7rem .9rem; box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.cat-menu-item:hover { border-color: #b9e4cd; transform: translateX(3px); box-shadow: var(--shadow-lg); }
.cm-icon { width: 44px; height: 44px; border-radius: 11px; background: var(--green-soft); color: var(--green-d); display: grid; place-items: center; flex-shrink: 0; }
.cm-icon svg { width: 24px; height: 24px; }
.cm-text { flex-grow: 1; min-width: 0; }
.cm-text strong { display: block; font-size: .92rem; color: var(--navy); line-height: 1.2; }
.cm-text span { font-size: .76rem; color: var(--muted); font-weight: 600; }
.cm-ar { color: var(--green-d); flex-shrink: 0; opacity: .7; transition: transform .2s; }
.cat-menu-item:hover .cm-ar { transform: translateX(3px); opacity: 1; }
.cm-ar svg { width: 18px; height: 18px; display: block; }
.hero-row .slider { border-radius: var(--radius); height: 100%; }
.hero-row .slide { padding: clamp(2.4rem, 5vw, 3.6rem) 0; height: 100%; }

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: .8rem; }
  .hero-row .slider { order: -1; }
  .cat-menu {
    grid-template-rows: none; grid-auto-flow: column; grid-auto-columns: minmax(190px, 1fr);
    overflow-x: auto; gap: .6rem; padding-bottom: .35rem;
    scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  }
  .cat-menu-item { scroll-snap-align: start; }
  .cat-menu-item:hover { transform: none; }
}

/* ---------- Kategori ürün carousel (otomatik kayan) ---------- */
.catalog-wrap { position: relative; }
.product-grid.catalog-carousel, .catalog-carousel {
  display: flex; gap: 1.2rem; overflow-x: auto; scroll-behavior: smooth;
  scroll-snap-type: x proximity; padding: .3rem .2rem 1rem;
  grid-template-columns: none;
  -webkit-overflow-scrolling: touch;
}
.catalog-carousel::-webkit-scrollbar { height: 7px; }
.catalog-carousel::-webkit-scrollbar-track { background: transparent; }
.catalog-carousel::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.catalog-carousel:hover::-webkit-scrollbar-thumb { background: #c8d0db; }
.catalog-carousel > .product-card { flex: 0 0 clamp(215px, 23%, 270px); scroll-snap-align: start; }
.car-arrow {
  position: absolute; top: calc(50% - .5rem); transform: translateY(-50%); z-index: 5;
  width: 44px; height: 44px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); color: var(--navy);
  display: grid; place-items: center; cursor: pointer;
  box-shadow: 0 6px 18px -6px rgba(16,24,40,.25); transition: background .2s, transform .2s;
}
.car-arrow:hover { background: var(--green); color: #fff; border-color: var(--green); }
.car-arrow svg { width: 22px; height: 22px; }
.car-arrow.prev { left: -10px; }
.car-arrow.next { right: -10px; }
.car-arrow[hidden] { display: none; }
@media (max-width: 700px) { .car-arrow { display: none; } }

/* ---------- Kategori buton şeridi (chip) ---------- */
.cat-bar { padding: .8rem 0 .4rem; background: #fff; }
.cat-chips { display: flex; flex-wrap: wrap; gap: .35rem; justify-content: center; }
.cat-chip {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 99px;
  background: var(--paper); color: var(--navy); font-weight: 700; font-size: .85rem;
  transition: background .2s, border-color .2s, color .2s, transform .2s, box-shadow .2s;
}
.cat-chip:hover { background: var(--green); border-color: var(--green); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 18px -6px rgba(249, 115, 22, .55); }
.cat-chip svg { width: 17px; height: 17px; color: var(--green-d); flex-shrink: 0; }
.cat-chip:hover svg { color: #fff; }
.cat-chip .n { color: var(--muted); font-weight: 600; font-size: .78rem; }
.cat-chip:hover .n { color: #fff; }
@media (max-width: 560px) {
  .cat-chips { gap: .3rem; }
  .cat-chip { padding: .4rem .7rem; font-size: .8rem; }
}

/* ---------- İndirim rozeti / fiyat ---------- */
.badge-discount {
  position: absolute; top: .7rem; right: .7rem; z-index: 2;
  background: var(--indirim); color: #fff; font-weight: 800; font-size: .84rem;
  padding: .3rem .55rem; border-radius: 9px; line-height: 1;
  box-shadow: 0 4px 12px -2px rgba(225, 29, 42, .55);
}
.price-old { text-decoration: line-through; color: var(--muted); font-size: .82rem; font-weight: 600; margin-right: .45rem; }
.price-row2 { display: flex; align-items: baseline; flex-wrap: wrap; }
.pd-price .price-old { font-size: 1rem; }
.kdv-not { font-size: .7rem; color: var(--muted); font-weight: 600; }

/* ---------- Güven şeridi ---------- */
.trust-strip { background: #fff; border-bottom: 1px solid var(--line); }
.trust-inner {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 2.6rem;
  padding: .95rem 0; list-style: none; margin: 0;
}
.trust-inner li { display: flex; align-items: center; gap: .55rem; font-size: .88rem; font-weight: 700; color: var(--navy); }
.trust-inner svg { width: 19px; height: 19px; color: var(--green); flex-shrink: 0; }

/* ---------- Bölümler ---------- */
.section { padding: clamp(1.8rem, 3.5vw, 2.8rem) 0; }
.cat-title { margin-bottom: .3em; }
.section-alt { background: var(--paper); border-block: 1px solid var(--line); }
.section-head { max-width: 680px; margin-bottom: 2rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { color: var(--muted); }
.section .eyebrow { color: var(--green-d); }

/* Katalog kategori başlığı (dekor tarzı: büyük harf + alt çizgi) */
.cat-title {
  text-align: center; text-transform: uppercase; letter-spacing: .04em;
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  margin-bottom: .4em;
}
.cat-title::after {
  content: ""; display: block; width: 64px; height: 4px; border-radius: 4px;
  background: var(--green); margin: .55rem auto 0;
}
.cat-sub { text-align: center; color: var(--muted); max-width: 640px; margin: 0 auto 2rem; font-size: .95rem; }
.cat-more { text-align: center; margin-top: 1.8rem; }
.cat-more a {
  display: inline-flex; align-items: center; gap: .45rem;
  font-weight: 800; font-size: .9rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--green-d); border: 2px solid var(--green); border-radius: 99px;
  padding: .55rem 1.5rem; transition: background .2s, color .2s;
}
.cat-more a:hover { background: var(--green); color: #fff; }

/* ---------- Kategori kartları ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }

.cat-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #b9e4cd; }
.cat-icon {
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 1.1rem;
  background: var(--green-soft); color: var(--green-d);
  display: grid; place-items: center;
}
.cat-icon svg { width: 30px; height: 30px; }
.cat-card p { color: var(--muted); font-size: .92rem; flex-grow: 1; }
.cat-link { font-weight: 700; font-size: .92rem; color: var(--green-d); display: inline-flex; align-items: center; gap: .35rem; }
.cat-card:hover .cat-link { gap: .6rem; }
.cat-link::after { content: "→"; transition: inherit; }

/* ---------- Ürün kartları (e-ticaret tarzı) ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(248px, 1fr)); gap: 1.2rem; }

.product-card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #cfe9db; }

.product-visual {
  aspect-ratio: 16 / 11;
  background: linear-gradient(165deg, #f2f4f7, #e6eaef);
  display: grid; place-items: center; position: relative; overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.product-visual svg { width: 70%; height: 70%; filter: drop-shadow(0 12px 20px rgba(22, 34, 47, .28)); }
.product-visual img { width: 100%; height: 100%; object-fit: cover; }
.pd-visual img { width: 100%; height: 100%; object-fit: cover; }

.badge-best {
  position: absolute; top: .75rem; left: .75rem; z-index: 1;
  background: var(--green); color: #fff;
  font-size: .66rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase;
  padding: .3rem .7rem; border-radius: 99px;
}

.product-body { padding: 1.05rem 1.1rem 1.15rem; display: flex; flex-direction: column; flex-grow: 1; text-align: center; }
.product-body h3 { font-size: .97rem; margin-bottom: .5rem; min-height: 2.4em; }

.specs { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .8rem; justify-content: center; }
.spec {
  font-size: .72rem; font-weight: 700; color: var(--muted);
  background: var(--paper); border: 1px solid var(--line);
  padding: .15rem .6rem; border-radius: 99px;
}

.product-foot { margin-top: auto; display: flex; flex-direction: column; gap: .65rem; }
.price { font-size: 1.35rem; font-weight: 800; color: var(--navy); letter-spacing: -.02em; }
.price small { font-size: .7rem; font-weight: 600; color: var(--muted); display: block; letter-spacing: 0; }

.btn-order {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  background: var(--green); color: #fff; font-weight: 800; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .05em;
  padding: .7rem 1rem; border-radius: 9px; width: 100%;
  transition: background .2s, transform .2s;
}
.btn-order:hover { background: var(--green-d); transform: translateY(-1px); }
.btn-order svg { width: 16px; height: 16px; }

/* ---------- Özellikler ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; }
.feature {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow);
}
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 1rem;
  background: var(--green-soft); color: var(--green-d);
  display: grid; place-items: center;
}
.feature-icon svg { width: 25px; height: 25px; }
.feature h3 { font-size: 1.02rem; }
.feature p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ---------- Ürün detay sayfası ---------- */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }
.pd-visual {
  position: sticky; top: 90px;
  background: linear-gradient(165deg, #f2f4f7, #e6eaef);
  border: 1px solid var(--line); border-radius: var(--radius);
  aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden;
}
.pd-visual svg { width: 64%; height: 64%; filter: drop-shadow(0 16px 28px rgba(22, 34, 47, .3)); }
.pd-cat {
  display: inline-block; font-size: .76rem; font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; color: var(--green-d); margin-bottom: .6rem;
}
.pd-info h1 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: .7rem; }
.pd-price { font-size: 2rem; font-weight: 800; color: var(--navy); letter-spacing: -.02em; margin: .2rem 0 .3rem; }
.pd-price small { font-size: .82rem; font-weight: 600; color: var(--muted); }
.pd-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.4rem 0; }
.pd-trust { list-style: none; padding: 0; margin: 1.4rem 0 0; display: grid; gap: .6rem; }
.pd-trust li { display: flex; align-items: center; gap: .6rem; font-size: .92rem; font-weight: 600; color: var(--text); }
.pd-trust svg { width: 19px; height: 19px; color: var(--green); flex-shrink: 0; }
.pd-lead { color: var(--muted); font-size: 1.02rem; margin-bottom: 1.2rem; }

.pd-section { margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.pd-section h2 { font-size: 1.35rem; }

.spec-table { width: 100%; border-collapse: collapse; max-width: 540px; margin: 1rem 0; font-size: .94rem; }
.spec-table th, .spec-table td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--line); }
.spec-table th { width: 42%; color: var(--muted); font-weight: 700; background: var(--paper); }
.spec-table tr:first-child th, .spec-table tr:first-child td { border-top: 1px solid var(--line); }

.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }

/* ---------- Kullanım alanları ---------- */
.area-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; list-style: none; padding: 0; margin: 0; }
.area-list li {
  display: flex; align-items: center; gap: .8rem;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-s);
  padding: .9rem 1.1rem; font-weight: 600; font-size: .95rem;
}
.area-list svg { width: 22px; height: 22px; color: var(--green-d); flex-shrink: 0; }

/* ---------- SSS ---------- */
.faq-list { max-width: 780px; margin-inline: auto; display: grid; gap: .8rem; }
.faq-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-s);
  box-shadow: var(--shadow); overflow: hidden;
}
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.05rem 1.3rem; font-weight: 700; color: var(--navy); font-size: .98rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 1.5rem; font-weight: 500; color: var(--green-d);
  transition: transform .25s; line-height: 1; flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 1.3rem 1.2rem; color: var(--muted); font-size: .94rem; }
.faq-item .faq-body p:last-child { margin-bottom: 0; }
.faq-body a { color: var(--green-d); font-weight: 700; }

/* ---------- CTA bandı ---------- */
.cta-band {
  background:
    radial-gradient(700px 320px at 85% 0%, rgba(20, 154, 88, .28), transparent 60%),
    linear-gradient(150deg, var(--navy), var(--navy-3));
  border-radius: calc(var(--radius) + 6px);
  padding: clamp(2.2rem, 5vw, 3.2rem);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem;
  color: #fff;
}
.cta-band h2 { color: #fff; margin-bottom: .3em; }
.cta-band p { color: #aab8c8; margin: 0; max-width: 520px; }

/* ---------- İç sayfa başlığı ---------- */
.page-hero {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  padding: clamp(2rem, 4.5vw, 3.2rem) 0;
}
.page-hero h1 { color: var(--navy); text-transform: uppercase; letter-spacing: .02em; font-size: clamp(1.5rem, 3.4vw, 2.2rem); }
.page-hero h1::after {
  content: ""; display: block; width: 64px; height: 4px; border-radius: 4px;
  background: var(--green); margin-top: .55rem;
}
.page-hero .lead { max-width: 720px; margin-bottom: 0; font-size: .98rem; }

.breadcrumbs { font-size: .8rem; margin-bottom: 1rem; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 0; }
.breadcrumbs li { display: flex; align-items: center; gap: .4rem; color: var(--muted); }
.breadcrumbs li:not(:last-child)::after { content: "/"; color: #b6bfcc; }
.breadcrumbs a { color: var(--text); font-weight: 600; }
.breadcrumbs a:hover { color: var(--green-d); }
.breadcrumbs [aria-current] { color: var(--green-d); font-weight: 700; }

/* ---------- Metin sayfaları ---------- */
.prose { max-width: 780px; }
.prose h2 { margin-top: 2.2em; font-size: 1.45rem; }
.prose h3 { margin-top: 1.6em; }
.prose ul { padding-left: 1.3rem; }
.prose li { margin-bottom: .4em; }
.prose a { color: var(--green-d); font-weight: 700; }
.prose .tip {
  background: var(--green-soft); border-left: 4px solid var(--green);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  padding: 1rem 1.2rem; margin: 1.4rem 0; font-size: .94rem;
}

/* ---------- İletişim ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; align-items: start; }
.contact-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow);
}
.contact-card h3 { display: flex; align-items: center; gap: .6rem; }
.contact-card h3 svg { width: 22px; height: 22px; color: var(--green-d); }
.contact-card p { color: var(--muted); font-size: .95rem; }
.contact-big { font-size: 1.35rem; font-weight: 800; color: var(--navy); letter-spacing: -.01em; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy); color: #9fadbe;
  padding: 3.5rem 0 0; margin-top: clamp(3rem, 6vw, 5rem);
  font-size: .92rem;
}
.site-footer .brand-text strong { color: #fff; }
.site-footer .brand-text span { color: #8595a8; }
.site-footer .brand-mark { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.2rem; padding-bottom: 2.6rem; }
.footer-grid h4 { color: #fff; font-size: .92rem; letter-spacing: .07em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer-grid a:hover { color: #4cd488; }
.footer-about p { font-size: .9rem; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 1.2rem 0; display: flex; flex-wrap: wrap; gap: .8rem; justify-content: space-between;
  font-size: .82rem; color: #6e7e92;
}

/* ---------- Sepet ikonu (header) ---------- */
.cart-toggle {
  position: relative; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 11px;
  background: var(--soft); color: var(--navy); border: 1px solid var(--line);
  cursor: pointer; transition: background .2s, color .2s;
}
.cart-toggle:hover { background: var(--green-soft); color: var(--green-d); }
.cart-toggle svg { width: 22px; height: 22px; }
.cart-badge {
  position: absolute; top: -6px; right: -6px;
  min-width: 20px; height: 20px; padding: 0 5px; border-radius: 99px;
  background: var(--green); color: #fff; font-size: .7rem; font-weight: 800;
  display: none; align-items: center; justify-content: center; line-height: 1;
  box-shadow: 0 2px 6px rgba(20, 154, 88, .5);
}
.cart-badge.show { display: inline-flex; }

/* Sepete ekle butonu (kartlar) */
.btn-cart {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  background: var(--green); color: #fff; font-weight: 800; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .04em;
  padding: .7rem 1rem; border-radius: 9px; width: 100%;
  border: 0; cursor: pointer; font-family: var(--font);
  transition: background .2s, transform .2s;
}
.btn-cart:hover { background: var(--green-d); transform: translateY(-1px); }
.btn-cart svg { width: 16px; height: 16px; }
.btn-cart.added { background: var(--navy); }

.btn-cart-ask {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  background: transparent; color: var(--green-d); font-weight: 700; font-size: .78rem;
  padding: .35rem; width: 100%; border: 0; cursor: pointer; font-family: var(--font);
  text-decoration: none;
}
.btn-cart-ask:hover { text-decoration: underline; }
.product-foot { gap: .5rem; }

/* ---------- Sepet çekmecesi ---------- */
.cart-overlay {
  position: fixed; inset: 0; z-index: 110;
  background: rgba(16, 24, 40, .5); backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.cart-overlay.open { opacity: 1; visibility: visible; }
.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 111;
  width: min(420px, 100%); background: #fff;
  display: flex; flex-direction: column;
  box-shadow: -12px 0 40px -12px rgba(16, 24, 40, .35);
  transform: translateX(100%); transition: transform .32s cubic-bezier(.4,0,.2,1);
}
.cart-overlay.open .cart-drawer { transform: none; }
.cart-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.3rem; border-bottom: 1px solid var(--line);
}
.cart-head h2 { margin: 0; font-size: 1.15rem; display: flex; align-items: center; gap: .55rem; }
.cart-head h2 svg { width: 21px; height: 21px; color: var(--green-d); }
.cart-close {
  background: none; border: 0; cursor: pointer; color: var(--muted);
  width: 36px; height: 36px; border-radius: 8px; font-size: 1.5rem; line-height: 1;
  display: grid; place-items: center; transition: background .2s, color .2s;
}
.cart-close:hover { background: var(--soft); color: var(--navy); }

.cart-body { flex-grow: 1; overflow-y: auto; padding: 1rem 1.3rem; }
.cart-empty { text-align: center; color: var(--muted); padding: 3rem 1rem; }
.cart-empty svg { width: 54px; height: 54px; color: var(--line); margin: 0 auto 1rem; }

.cart-item { display: flex; gap: .9rem; padding: .9rem 0; border-bottom: 1px solid var(--line); }
.cart-item-visual {
  width: 64px; height: 64px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(165deg, #f2f4f7, #e6eaef); border: 1px solid var(--line);
  display: grid; place-items: center; overflow: hidden;
}
.cart-item-visual svg { width: 74%; height: 74%; }
.cart-item-main { flex-grow: 1; min-width: 0; }
.cart-item-main h3 { font-size: .9rem; margin: 0 0 .35rem; font-weight: 700; }
.cart-item-price { font-size: .85rem; color: var(--muted); font-weight: 600; }
.cart-item-row { display: flex; align-items: center; justify-content: space-between; margin-top: .5rem; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.qty button {
  width: 30px; height: 30px; border: 0; background: var(--soft); color: var(--navy);
  font-size: 1.1rem; cursor: pointer; line-height: 1; transition: background .2s;
}
.qty button:hover { background: var(--green-soft); color: var(--green-d); }
.qty span { min-width: 34px; text-align: center; font-weight: 700; font-size: .9rem; }
.cart-item-remove { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: .78rem; font-weight: 600; }
.cart-item-remove:hover { color: #c0392b; }
.cart-item-total { font-weight: 800; color: var(--navy); font-size: .95rem; }

.cart-foot { border-top: 1px solid var(--line); padding: 1.2rem 1.3rem; }
.cart-sum { display: flex; align-items: center; justify-content: space-between; margin-bottom: .3rem; }
.cart-sum .lbl { color: var(--muted); font-size: .92rem; }
.cart-sum .val { font-size: 1.5rem; font-weight: 800; color: var(--navy); letter-spacing: -.02em; }
.cart-note { font-size: .76rem; color: var(--muted); margin: 0 0 1rem; }
.cart-foot .btn { width: 100%; }
.cart-foot .btn + .btn { margin-top: .6rem; }

/* ---------- Sabit WhatsApp ---------- */
.wa-float {
  position: fixed; right: 1.3rem; bottom: 1.3rem; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--wa); color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 10px 28px -6px rgba(37, 211, 102, .65);
  transition: transform .25s, background .25s;
}
.wa-float:hover { transform: scale(1.08); background: var(--wa-d); }
.wa-float svg { width: 30px; height: 30px; }

/* ---------- Animasyonlar ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Duyarlı tasarım ---------- */
@media (max-width: 1020px) {
  .grid-4, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav a { padding: .5rem .5rem; font-size: .84rem; }
  .topbar-right { display: none; }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0; z-index: 99;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -20px rgba(16, 24, 40, .25);
    padding: 1rem 1.25rem 1.4rem;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: transform .25s ease, opacity .25s ease, visibility .25s;
  }
  .main-nav.open { transform: none; opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: .15rem; }
  .main-nav a { font-size: 1rem; padding: .75rem .9rem; }
  .btn-wa-header { justify-content: center; margin-top: .5rem; }
  .grid-3, .area-list, .contact-grid { grid-template-columns: 1fr; }
  .topbar-left { width: 100%; justify-content: center; }
  .product-detail { grid-template-columns: 1fr; gap: 1.6rem; }
  .pd-visual { position: static; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .grid-4, .feature-grid, .footer-grid { grid-template-columns: 1fr; }
  .product-grid, .related-grid { grid-template-columns: 1fr 1fr; gap: .8rem; }
  .product-body { padding: .85rem .8rem 1rem; }
  .product-body h3 { font-size: .85rem; }
  .price { font-size: 1.15rem; }
  .btn-order { font-size: .72rem; padding: .6rem .6rem; }
  .hero-ctas .btn { width: 100%; }
  .pd-actions .btn { width: 100%; }
}

@media (max-width: 420px) {
  .product-grid { grid-template-columns: 1fr; }
}