/* ==========================================================================
   site.css — Tek birleşik stil dosyası. Sıra önemlidir (cascade):
   1) TOKENS  2) BASE  3) LAYOUT  4) URUNLER  5) ANASAYFA  6) SAYFALAR  7) ILETISIM
   Değişken/renk/boşluk/tipografi tanımları yalnızca en üstteki :root bloğunda
   yapılır; bu dosyanın geri kalanında sabit hex/rgb renk değeri YAZILMAZ.
   ========================================================================== */

/* ==========================================================================
   1) TOKENS — Tasarım token'ları, tek doğruluk kaynağı.
   ========================================================================== */

:root {
  /* --- Renk paleti --- */
  --color-brand-green: #1DAF4B;
  --color-brand-green-dark: #178C3C;
  --color-brand-green-light: #E7F7EC;
  --color-anthracite: #1C1C1C;

  /* Nötr gri kademeleri (açıktan koyuya, 5 kademe) */
  --color-gray-100: #F5F5F5;
  --color-gray-200: #E0E0E0;
  --color-gray-300: #BDBDBD;
  --color-gray-400: #757575;
  --color-gray-500: #3D3D3D;

  --color-white: #FFFFFF;

  /* Anlamsal renkler */
  --color-bg: var(--color-white);
  --color-surface: var(--color-gray-100);
  --color-border: var(--color-gray-200);
  --color-text: var(--color-anthracite);
  --color-text-muted: var(--color-gray-400);
  --color-primary: var(--color-brand-green);
  --color-primary-hover: var(--color-brand-green-dark);
  --color-on-primary: var(--color-white);

  /* Antrasit zeminler için metin/çerçeve renkleri */
  --color-text-on-antrasit: var(--color-white);
  --color-text-muted-on-antrasit: var(--color-gray-300);
  --color-border-on-antrasit: var(--color-gray-500);
  --color-surface-on-antrasit: var(--color-gray-500);

  /* Hero koyu katmanı ve antrasit bölüm dokusu */
  --color-overlay-dark: rgba(28, 28, 28, 0.7);
  --color-texture-antrasit: rgba(255, 255, 255, 0.04);
  --color-texture-antrasit-nokta: rgba(255, 255, 255, 0.03);

  /* Dekoratif katmanlar (kavisli çizgiler, zemin gradyanı, dev rakam) */
  --color-primary-10: rgba(29, 175, 75, 0.1);
  --color-primary-20: rgba(29, 175, 75, 0.2);
  --color-bg-warm: #F7F4F0;
  --decor-rakam-boyut: 18rem;
  --decor-rakam-opaklik: 0.04;

  /* --- Tipografi --- */
  --font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  /* 4 kademeli ölçek (mobil tabanlı) */
  --font-size-1: 0.875rem;  /* küçük metin / etiket */
  --font-size-2: 1rem;      /* gövde metni */
  --font-size-3: 1.5rem;    /* alt başlık */
  --font-size-4: 2rem;      /* ana başlık */
  --font-size-5: 2.75rem;   /* büyütülmüş bölüm başlığı */
  --font-size-6: 3.5rem;    /* rakamlar şeridi sayısı */

  --line-height-tight: 1.2;
  --line-height-tighter: 1.05;
  --line-height-base: 1.5;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  --letter-spacing-wide: 0.08em;

  /* --- Boşluk ölçeği (8px tabanlı) --- */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;

  /* --- Border radius --- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* --- Gölge --- */
  --shadow-sm: 0 1px 2px rgba(28, 28, 28, 0.08);
  --shadow-md: 0 4px 12px rgba(28, 28, 28, 0.12);
  --shadow-lg: 0 8px 24px rgba(28, 28, 28, 0.16);

  /* --- Container --- */
  --container-width: 1200px;
  --container-padding: var(--space-2);

  /* --- Breakpoint değerleri ---
     CSS özel özellikleri @media koşullarında kullanılamaz;
     bu değerler referans amaçlıdır, media query'lerde birebir yazılmalıdır. */
  --breakpoint-sm: 480px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;

  /* --- Animasyon süreleri --- */
  --duration-fast: 0.15s;
  --duration-base: 0.3s;
  --duration-marquee: 32s;
  --duration-bounce: 1.6s;
  --duration-tilt: 0.4s;

  /* --- 3D tilt efekti --- */
  --tilt-perspective: 1000px;
  --tilt-derinlik: 40px;
}

/* ==========================================================================
   2) BASE — reset, tipografi, container, grid yardımcıları, buton stilleri.
   Mobil öncelikli (mobile-first) yazılmıştır.
   ========================================================================== */

/* --- Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-family-base);
  font-size: var(--font-size-2);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

body.no-scroll {
  overflow: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* --- Tipografi --- */
h1,
h2,
h3,
h4 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-4);
}

h2 {
  font-size: var(--font-size-3);
}

@media (min-width: 768px) {
  h2 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }

  h2::after {
    content: '';
    flex: 1 1 auto;
    height: 1px;
    background-image: linear-gradient(to right, var(--color-border), transparent);
  }
}

h3,
h4 {
  font-size: var(--font-size-2);
}

small,
.text-small {
  font-size: var(--font-size-1);
}

p {
  color: var(--color-text);
}

.text-muted {
  color: var(--color-text-muted);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* --- Grid yardımcıları --- */
.grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Boşluk yardımcıları --- */
.section {
  padding-block: var(--space-7);
  background-image: linear-gradient(to bottom, var(--color-bg), var(--color-bg-warm));
}

/* --- Bölüm zemin varyantları (ritim: beyaz / açık gri / antrasit) --- */
.section--gri {
  background-color: var(--color-surface);
  background-image: none;
  border-top: 2px solid var(--color-primary);
}

.section--antrasit {
  background-color: var(--color-anthracite);
  color: var(--color-text-on-antrasit);
  border-top: 2px solid var(--color-primary);
  background-image:
    repeating-linear-gradient(
      45deg,
      var(--color-texture-antrasit) 0,
      var(--color-texture-antrasit) 1px,
      transparent 1px,
      transparent var(--space-3)
    ),
    radial-gradient(var(--color-texture-antrasit-nokta) 1px, transparent 1px);
  background-size: auto, var(--space-3) var(--space-3);
}

.section--antrasit h2,
.section--antrasit h3,
.section--antrasit p {
  color: var(--color-text-on-antrasit);
}

.section--antrasit h2::after {
  background-image: linear-gradient(to right, var(--color-border-on-antrasit), transparent);
}

/* --- Bölüm dekorasyonu (kavisli çizgi SVG'si js/dekor.js ile eklenir) --- */
.section.is-dekorlu {
  position: relative;
  z-index: 0;
}

.section__dekor {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.section__dekor-cizgi {
  fill: none;
  stroke: var(--color-primary-10);
  stroke-width: 1;
  stroke-dasharray: 6 6;
}

.section__dekor-nokta {
  fill: var(--color-primary);
}

.section--antrasit .text-muted {
  color: var(--color-text-muted-on-antrasit);
}

.section--antrasit .cta-bandi {
  background-color: var(--color-surface-on-antrasit);
  border: 1px solid var(--color-border-on-antrasit);
}

.section--antrasit .cta-bandi--vurgu {
  border-color: var(--color-primary);
}

/* --- Buton stilleri --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-2);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-primary-hover);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-block {
  width: 100%;
}

/* --- Görsel yer tutucu (placeholder) --- */
.placeholder {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.aspect-1-1 {
  aspect-ratio: 1 / 1;
}

.aspect-2-3 {
  aspect-ratio: 2 / 3;
}

.aspect-4-3 {
  aspect-ratio: 4 / 3;
}

.aspect-16-9 {
  aspect-ratio: 16 / 9;
}

/* --- Bölüm başlığı yardımcı sınıfı --- */
.section-intro {
  max-width: 640px;
  margin-bottom: var(--space-4);
}

.section-intro__etiket {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-primary);
  font-size: var(--font-size-1);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.section-intro__etiket::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  transform: rotate(45deg);
}

.section-intro h2 {
  font-size: var(--font-size-5);
  line-height: var(--line-height-tighter);
}

/* ==========================================================================
   3) LAYOUT — site header, navigasyon, footer, sabit WhatsApp butonu.
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  position: relative;
  padding-block: var(--space-2);
}

.site-header__logo img {
  height: 40px;
  width: auto;
}

.site-header__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  z-index: 101;
}

.site-header__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.site-header__toggle.is-active .site-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header__toggle.is-active .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__toggle.is-active .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
}

.site-nav.is-open {
  max-height: 80vh;
  overflow-y: auto;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) var(--container-padding);
  gap: var(--space-1);
}

.site-nav__link {
  display: block;
  padding: var(--space-1) 0;
  font-weight: var(--font-weight-medium);
}

.site-nav__submenu {
  padding-left: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-nav__sublink {
  display: block;
  padding: 4px 0;
  color: var(--color-text-muted);
}

.site-nav__item--cta {
  margin-top: var(--space-1);
}

@media (min-width: 1024px) {
  .site-header__toggle {
    display: none;
  }

  .site-nav {
    position: static;
    max-height: none;
    overflow: visible;
    border-bottom: none;
    background: none;
  }

  .site-nav__list {
    flex-direction: row;
    align-items: center;
    padding: 0;
    gap: var(--space-3);
  }

  .site-nav__item {
    position: relative;
  }

  .site-nav__submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-1);
    flex-direction: column;
    gap: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
    z-index: 110;
  }

  .site-nav__item--has-submenu:hover .site-nav__submenu,
  .site-nav__item--has-submenu:focus-within .site-nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav__sublink {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
  }

  .site-nav__sublink:hover,
  .site-nav__sublink:focus-visible {
    background-color: var(--color-surface);
    color: var(--color-text);
  }

  .site-nav__item--cta {
    margin-top: 0;
  }

  .site-nav__item--cta .btn {
    width: auto;
  }
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-anthracite);
  color: var(--color-white);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-4);
  padding-block: var(--space-5);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.site-footer__col h3 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.site-footer__address {
  font-style: normal;
  color: var(--color-gray-300);
}

.site-footer__col p {
  color: var(--color-gray-300);
}

.site-footer__col a:hover,
.site-footer__col a:focus-visible {
  color: var(--color-primary);
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.site-footer__links a {
  color: var(--color-gray-300);
}

.site-footer__bottom {
  border-top: 1px solid var(--color-gray-500);
  padding-block: var(--space-2);
}

.site-footer__bottom p {
  color: var(--color-gray-400);
}

/* --- Sabit WhatsApp butonu (tüm sayfalarda) --- */
.whatsapp-sabit {
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 150;
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-lg);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-size: var(--font-size-1);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-lg);
  transition: background-color 0.15s ease;
}

.whatsapp-sabit:hover,
.whatsapp-sabit:focus-visible {
  background-color: var(--color-primary-hover);
}

/* ==========================================================================
   4) URUNLER — ürün serisi sayfası: sekme çubuğu, ürün grubu/kartı, varyant
   noktaları, CTA bandı, ürün modalı.
   ========================================================================== */

.seri-hero {
  padding-block-end: calc(var(--space-3) / 2);
}

.seri-katalog {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* --- Sekme çubuğu (yapışkan, alt_grup olan serilerde görünür) --- */
.seri-sekmeler {
  position: sticky;
  top: 65px; /* .site-header yüksekliği kadar */
  z-index: 90;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.seri-sekmeler__inner {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-block: var(--space-1);
}

.seri-sekmeler__link {
  flex: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--font-size-1);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.seri-sekmeler__link:hover,
.seri-sekmeler__link:focus-visible {
  color: var(--color-text);
  background-color: var(--color-surface);
}

.seri-sekmeler__link.is-active {
  color: var(--color-on-primary);
  background-color: var(--color-primary);
}

/* --- Ürün grubu --- */
.seri-urunler {
  padding-block-start: calc(var(--space-5) / 2);
}

.urun-grup {
  scroll-margin-top: 128px;
  padding-block: var(--space-3);
}

.urun-grup__baslik {
  margin-bottom: var(--space-2);
}

/* --- Ürün kartı --- */
.urun-karti {
  display: block;
  width: 100%;
  text-align: left;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.urun-karti:hover,
.urun-karti:focus-visible {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  outline: none;
}

.urun-karti__gorsel-wrap {
  aspect-ratio: 2 / 3;
  background-color: var(--color-surface);
  overflow: hidden;
}

.urun-karti__gorsel {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.urun-karti__bilgi {
  padding: var(--space-2);
}

.urun-karti__baslik {
  margin-bottom: 4px;
}

.urun-karti__renk {
  margin-bottom: 4px;
}

.urun-karti__etiket {
  display: inline-block;
  margin-top: var(--space-1);
  padding: 2px var(--space-1);
  border-radius: var(--radius-sm);
  background-color: var(--color-brand-green-light);
  color: var(--color-brand-green-dark);
  font-size: var(--font-size-1);
  font-weight: var(--font-weight-medium);
}

.urun-karti__varyantlar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.urun-karti__varyant-nokta {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--varyant-renk, var(--color-surface));
  padding: 0;
}

.urun-karti__varyant-nokta.is-aktif {
  border-color: var(--color-primary);
}

.urun-karti__varyant-nokta:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --- CTA bandı --- */
.cta-bandi {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  margin-block: var(--space-5);
}

.cta-bandi__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-4);
}

.cta-bandi__inner h2 {
  font-size: var(--font-size-5);
  line-height: var(--line-height-tighter);
}

@media (min-width: 768px) {
  .cta-bandi__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* --- Ürün modalı --- */
.urun-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
}

.urun-modal[hidden] {
  display: none;
}

.urun-modal__arka-plan {
  position: absolute;
  inset: 0;
  background-color: rgba(28, 28, 28, 0.6);
}

.urun-modal__panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .urun-modal__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

.urun-modal__kapat {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  z-index: 2;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-bg);
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-3);
  line-height: 1;
}

.urun-modal__gorsel-wrap {
  aspect-ratio: 2 / 3;
  background-color: var(--color-surface);
  overflow: hidden;
}

.urun-modal__gorsel {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.urun-modal__bilgi {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.urun-modal__varyantlar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-block: var(--space-2);
}

.urun-modal__bilgi .btn {
  margin-top: var(--space-2);
  align-self: flex-start;
}

/* ==========================================================================
   5) ANASAYFA — hero, rakamlar şeridi, seri kartları, hakkımızda, iletişim
   kısayolu.
   ========================================================================== */

/* --- Hero --- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 85vh;
  overflow: hidden;
  padding-block: var(--space-5);
}

.hero__arkaplan {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--color-overlay-dark) 0%, var(--color-overlay-dark) 35%, transparent 90%),
    url('/img/hero.webp'),
    linear-gradient(135deg, var(--color-anthracite), var(--color-primary-hover));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero__content {
  max-width: 560px;
  color: var(--color-white);
}

.hero__kicker {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.hero__content h1 {
  color: var(--color-white);
  font-size: var(--font-size-6);
  line-height: var(--line-height-tighter);
  margin-bottom: var(--space-2);
}

.hero__content p {
  color: var(--color-gray-100);
  margin-bottom: var(--space-3);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.btn-outline--acik {
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-outline--acik:hover,
.btn-outline--acik:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.hero__kaydir {
  position: absolute;
  left: 50%;
  bottom: var(--space-3);
  z-index: 1;
  display: flex;
  color: var(--color-white);
  transform: translateX(-50%);
  animation: hero-kaydir-zipla var(--duration-bounce) ease-in-out infinite;
}

@keyframes hero-kaydir-zipla {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(8px);
  }
}


/* --- Rakamlar şeridi --- */
.istatistik-seridi {
  background-color: var(--color-surface);
  padding-block: var(--space-4);
}

.istatistik-seridi__inner {
  display: grid;
  gap: var(--space-3);
  text-align: center;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .istatistik-seridi__inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.istatistik-seridi__sayi {
  font-size: var(--font-size-6);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tighter);
  color: var(--color-primary);
}

.istatistik-seridi__etiket {
  font-size: var(--font-size-1);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

/* --- Marquee (seri/renk şeridi) --- */
.marquee {
  overflow: hidden;
  background-color: var(--color-bg);
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-2);
}

.marquee__track {
  display: flex;
  width: max-content;
  gap: var(--space-3);
  animation: marquee-kaydir var(--duration-marquee) linear infinite;
}

.marquee__ogeler {
  display: flex;
  gap: var(--space-3);
  flex: none;
}

.marquee__oge {
  font-size: var(--font-size-1);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.marquee__ayrac {
  color: var(--color-primary);
}

@keyframes marquee-kaydir {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* --- Seri kartları --- */
#urun-serilerimiz {
  counter-reset: seri-sayac;
}

.seri-karti {
  position: relative;
  z-index: 0;
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  counter-increment: seri-sayac;
  transition: box-shadow var(--duration-fast) ease, border-color var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.seri-karti::before {
  content: counter(seri-sayac, decimal-leading-zero);
  position: absolute;
  z-index: -1;
  left: 0;
  bottom: -0.1em;
  font-size: var(--decor-rakam-boyut);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  color: var(--color-primary);
  opacity: var(--decor-rakam-opaklik);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.seri-karti:hover,
.seri-karti:focus-visible {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
  outline: none;
  transform: translateY(-4px);
}

.seri-karti__sira {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 2;
  padding: 2px var(--space-1);
  border-radius: var(--radius-sm);
  background-color: var(--color-anthracite);
  color: var(--color-white);
  font-size: var(--font-size-1);
  font-weight: var(--font-weight-bold);
}

.seri-karti__gorsel-wrap {
  position: relative;
  background-color: var(--color-surface);
  overflow: hidden;
}

.seri-karti__gorsel {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-base) ease;
}

.seri-karti:hover .seri-karti__gorsel,
.seri-karti:focus-visible .seri-karti__gorsel {
  transform: scale(1.05);
}

.seri-karti__katman {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-overlay-dark);
  opacity: 0;
  transition: opacity var(--duration-fast) ease;
}

.seri-karti:hover .seri-karti__katman,
.seri-karti:focus-visible .seri-karti__katman {
  opacity: 1;
}

.seri-karti__incele {
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
}

.seri-karti__bilgi {
  padding: var(--space-2);
}

.seri-karti__bilgi h3 {
  margin-bottom: 4px;
}

/* --- Öne Çıkanlar görsel banner kartları --- */
.banner-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.banner-karti {
  perspective: var(--tilt-perspective);
}

.banner-karti__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: calc(var(--space-7) * 4);
  border-radius: var(--radius-md);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform var(--duration-tilt) ease;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.banner-karti__panel--seriler {
  background-image: url('/img/banner/seriler.webp'), linear-gradient(135deg, var(--color-anthracite), var(--color-primary-hover));
}

.banner-karti__panel--uretim {
  background-image: url('/img/banner/uretim.webp'), linear-gradient(135deg, var(--color-anthracite), var(--color-primary-hover));
}

.banner-karti__panel--bayilik {
  background-image: url('/img/banner/bayilik.webp'), linear-gradient(135deg, var(--color-anthracite), var(--color-primary-hover));
}

.banner-karti__katman {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to top, var(--color-overlay-dark) 0%, transparent 70%);
}

.banner-karti__icerik {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  padding: var(--space-3);
}

.banner-karti__icerik h3,
.banner-karti__icerik p {
  color: var(--color-white);
}

.banner-karti__icerik h3 {
  font-size: var(--font-size-3);
}

.banner-karti__icerik .btn {
  margin-top: var(--space-1);
}

.banner-karti.is-tilt-aktif .banner-karti__icerik h3,
.banner-karti.is-tilt-aktif .banner-karti__icerik .btn {
  transform: translateZ(var(--tilt-derinlik));
}

.banner-karti__icerik h3,
.banner-karti__icerik .btn {
  transition: transform var(--duration-tilt) ease;
}

@media (min-width: 768px) {
  .banner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .banner-karti--orta {
    grid-column: span 2;
  }
}

@media (min-width: 1024px) {
  .banner-grid {
    grid-template-columns: 1fr 2fr 1fr;
  }

  .banner-karti--orta {
    grid-column: auto;
  }

  .banner-karti__panel {
    min-height: calc(var(--space-7) * 5);
  }
}

/* --- Hakkımızda --- */
.hakkimizda {
  display: grid;
  gap: var(--space-4);
  align-items: center;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .hakkimizda {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.hakkimizda__gorsel {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.hakkimizda__gorsel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hakkimizda__icerik h2 {
  font-size: var(--font-size-5);
  line-height: var(--line-height-tighter);
}

.hakkimizda__icerik p {
  margin-block: var(--space-2);
}

/* --- CTA bandı vurgulu varyant (bayilik) --- */
.cta-bandi--vurgu {
  background-color: var(--color-brand-green-light);
}

/* --- Öne çıkan kartlar (Yarı Mamul / Bayilik) — bento düzen + wobble efekti --- */
.oz-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 1024px) {
  .oz-grid {
    grid-template-columns: 3fr 2fr;
    align-items: stretch;
  }
}

.oz-kart {
  position: relative;
  z-index: 0;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: calc(var(--space-7) * 3);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  transition: transform var(--duration-base) ease, box-shadow var(--duration-base) ease;
}

.oz-kart:hover,
.oz-kart:focus-within {
  box-shadow: var(--shadow-lg);
}

.oz-kart--koyu {
  background-color: var(--color-surface-on-antrasit);
  background-image:
    radial-gradient(480px circle at 12% 10%, var(--color-primary-20), transparent 60%),
    radial-gradient(360px circle at 92% 90%, var(--color-primary-10), transparent 65%),
    linear-gradient(160deg, var(--color-surface-on-antrasit), var(--color-anthracite));
  border: 1px solid var(--color-border-on-antrasit);
}

.oz-kart--vurgu {
  background-image: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
}

.oz-kart--vurgu .section-intro__etiket {
  color: var(--color-on-primary);
}

.oz-kart--vurgu .section-intro__etiket::before {
  background-color: var(--color-on-primary);
}

.oz-kart__ikon {
  position: absolute;
  right: calc(var(--space-4) * -1);
  bottom: calc(var(--space-4) * -1);
  z-index: -1;
  width: 260px;
  height: 260px;
  opacity: 0.08;
  transform: rotate(-8deg);
  pointer-events: none;
}

.oz-kart--koyu .oz-kart__ikon {
  color: var(--color-primary);
}

.oz-kart--vurgu .oz-kart__ikon {
  color: var(--color-on-primary);
  opacity: 0.12;
}

.oz-kart__icerik {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 460px;
}

.oz-kart__icerik .btn {
  align-self: flex-start;
  margin-top: var(--space-1);
}

/* --- İletişim kısayolu --- */
.iletisim-kisayol__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-4) var(--space-3);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: box-shadow var(--duration-fast) ease, border-color var(--duration-fast) ease, transform var(--duration-fast) ease;
}

a.iletisim-kisayol__item:hover,
a.iletisim-kisayol__item:focus-visible {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  outline: none;
  transform: translateY(-2px);
}

.iletisim-kisayol__ikon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-2);
  color: var(--color-primary);
  background-color: var(--color-brand-green-light);
  border-radius: var(--radius-md);
}

.iletisim-kisayol__item h3 {
  margin-bottom: var(--space-1);
}

.iletisim-kisayol__deger {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.iletisim-kisayol__item address {
  font-style: normal;
  color: var(--color-text-muted);
}

/* ==========================================================================
   6) SAYFALAR — iç sayfa ortak bileşenleri: Hakkımızda (zaman çizgisi,
   üretim görselleri, özellik kartları), Ürünler (seri listesi kartı),
   Yarı Mamul (ölçü tablosu, ürün kartı, renk etiketleri).
   ========================================================================== */

/* --- Özellik kartı (Hakkımızda) --- */
.ozellik-karti {
  padding: var(--space-3);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
}

.ozellik-karti h3 {
  margin-bottom: var(--space-1);
}

/* --- Zaman çizgisi (Hakkımızda) --- */
.zaman-cizgisi {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-3);
  margin-top: var(--space-3);
  counter-reset: adim-sayac;
}

.zaman-cizgisi__adim {
  position: relative;
  z-index: 0;
  overflow: hidden;
  counter-increment: adim-sayac;
}

.zaman-cizgisi__adim::before {
  content: "";
  position: absolute;
  left: calc(var(--space-3) * -1 - 5px);
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.zaman-cizgisi__adim::after {
  content: counter(adim-sayac, decimal-leading-zero);
  position: absolute;
  z-index: -1;
  left: 0;
  top: 0;
  font-size: var(--decor-rakam-boyut);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  color: var(--color-primary);
  opacity: var(--decor-rakam-opaklik);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.zaman-cizgisi__yil {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  margin-bottom: 4px;
}

.zaman-cizgisi__adim h3 {
  margin-bottom: 4px;
}

/* --- Hakkımızda slogan vurgusu --- */
.hakkimizda-slogan {
  margin-top: var(--space-3);
  padding-left: var(--space-3);
  border-left: 4px solid var(--color-primary);
  font-size: var(--font-size-3);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-primary);
}

/* --- Üretim görselleri (Hakkımızda) --- */
.uretim-gorseli {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.uretim-gorseli__gorsel-wrap {
  position: relative;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.uretim-gorseli__gorsel {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Seri listesi kartı (Ürünler) --- */
.urun-serisi-karti {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.urun-serisi-karti__gorsel-wrap {
  background-color: var(--color-surface);
  overflow: hidden;
}

.urun-serisi-karti__gorsel {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.urun-serisi-karti__bilgi {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  flex: 1;
}

.urun-serisi-karti__bilgi p.text-muted {
  flex: 1;
}

.urun-serisi-karti__bilgi .btn {
  align-self: flex-start;
  margin-top: var(--space-1);
}

/* --- Ölçü tablosu (Yarı Mamul — kasa tipleri) --- */
.olcu-tablosu-wrap {
  overflow-x: auto;
  margin-top: var(--space-3);
}

.olcu-tablosu {
  width: 100%;
  border-collapse: collapse;
}

.olcu-tablosu th,
.olcu-tablosu td {
  padding: var(--space-1) var(--space-2);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: var(--font-size-1);
  white-space: nowrap;
}

.olcu-tablosu th {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

/* --- Yarı mamul ürün kartı (pervaz, tutkal, kenar bandı, çıta) --- */
.yari-mamul-karti {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.yari-mamul-karti h3 {
  margin-bottom: 4px;
}

.yari-mamul-karti__gorsel {
  position: relative;
  margin: calc(var(--space-3) * -1) calc(var(--space-3) * -1) var(--space-2);
  background-color: var(--color-surface);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
}

.yari-mamul-karti__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.yari-mamul-galeri__oge {
  margin: 0;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-surface);
}

.yari-mamul-galeri__oge img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.yari-mamul-tablo__gorsel {
  width: 72px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
}

/* --- Renk/kaplama etiketleri --- */
.renk-etiketleri {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.renk-etiketi {
  padding: 2px var(--space-1);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  font-size: var(--font-size-1);
  color: var(--color-text-muted);
}

/* ==========================================================================
   7) ILETISIM — adres kartları, harita alanı, form sekmeleri, form alanları.
   ========================================================================== */

/* --- Adres kartı --- */
.adres-karti {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.adres-karti h2 {
  margin-bottom: var(--space-2);
}

.adres-karti address {
  font-style: normal;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

/* --- Harita alanı --- */
.harita-wrap {
  position: relative;
  overflow: hidden;
}

.harita-iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --- Form sekmeleri --- */
.form-sekmeler {
  display: flex;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.form-sekme {
  padding: var(--space-2) var(--space-1);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  transform: translateY(1px);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.form-sekme:hover,
.form-sekme:focus-visible {
  color: var(--color-text);
}

.form-sekme.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* --- Form alanları --- */
.form-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.form-alan {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-alan--genis {
  grid-column: 1 / -1;
}

.form-alan label {
  font-size: var(--font-size-1);
  font-weight: var(--font-weight-medium);
}

.form-alan input,
.form-alan select,
.form-alan textarea {
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  transition: border-color 0.15s ease;
}

.form-alan input:focus-visible,
.form-alan select:focus-visible,
.form-alan textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
}

.form-alan textarea {
  resize: vertical;
}

.form-mesaj {
  grid-column: 1 / -1;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-1);
}

.form-mesaj--basari {
  background-color: var(--color-brand-green-light);
  color: var(--color-brand-green-dark);
}

.form-mesaj--hata {
  background-color: var(--color-gray-100);
  color: var(--color-anthracite);
  border: 1px solid var(--color-gray-300);
}

/* --- Honeypot (spam botu tuzağı) — görme engelli kullanıcılardan da gizli --- */
.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ==========================================================================
   8) ERİŞİLEBİLİRLİK — hareket azaltma tercihi.
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .marquee__track,
  .hero__kaydir {
    animation: none;
  }

  .banner-karti__panel,
  .banner-karti__icerik h3,
  .banner-karti__icerik .btn {
    transition: none;
  }

  .oz-kart {
    transition: none;
  }
}