/* ============================================================
   Akpınar Otomasyon Drive — Köklü, kaliteli kurumsal tema
   Sıcak tonlar, insan eli değmiş his
   ============================================================ */

/* ---- 1. TOKENS ------------------------------------------- */
:root {
  /* Ana renkler — sıcak lacivert, mühendislik güveni */
  --c-primary:     #1e3a52;
  --c-primary-dark: #152a3d;
  --c-primary-pale: #eef2f5;

  /* Vurgu — bakır tonu, el işçiliği */
  --c-accent:      #a67c52;
  --c-accent-pale: #f5efe8;

  /* Nötrler — sıcak, kâğıt hissi */
  --c-bg:        #f6f4f0;
  --c-surface:   #fefdfb;
  --c-border:    #e6e3de;
  --c-border-2:  #d4d0c9;

  /* Metin — yumuşak siyah, göz yormaz */
  --c-ink:       #2c2926;
  --c-ink-2:     #4a4541;
  --c-muted:     #6b6560;
  --c-faint:     #8e8a85;

  /* Footer — derin lacivert */
  --c-navy:      #1a2f45;
  --c-navy-2:    #243d54;

  /* Geriye uyumluluk */
  --c-blue:      var(--c-primary);
  --c-blue-dark: var(--c-primary-dark);
  --c-blue-pale: var(--c-primary-pale);
  --c-cyan:      var(--c-accent);
  --c-cyan-pale: var(--c-accent-pale);

  --c-success-bg: #f0f7f0;
  --c-success:    #2d5a2d;
  --c-error-bg:   #faf0f0;
  --c-error:      #8b3a3a;

  /* Typography */
  --font: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing (4-pt grid) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;

  /* Radius */
  --r-sm:  6px;
  --r:     10px;
  --r-lg:  16px;
  --r-xl:  24px;

  /* Shadow */
  --shadow-xs: 0 1px 2px rgba(0,0,0,.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-md: 0 8px 20px -4px rgba(0,0,0,.1), 0 4px 8px -4px rgba(0,0,0,.06);
  --shadow-lg: 0 20px 40px -8px rgba(0,0,0,.12), 0 8px 16px -8px rgba(0,0,0,.07);

  /* Transitions */
  --ease: 0.18s ease;
  --ease-out: 0.22s cubic-bezier(0.0, 0.0, 0.2, 1);

  /* 2026: Soft 3D / tactile depth */
  --shadow-soft: 0 4px 14px rgba(0,0,0,.06), 0 2px 6px rgba(0,0,0,.04);
  --shadow-soft-hover: 0 12px 28px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.06);
  --shadow-tactile: 0 2px 0 rgba(0,0,0,.04);
}

/* ---- 2. RESET & BASE ------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }

/* ---- ICON SYSTEM (2026: minimal, dynamic) ---- */
.icon { flex-shrink: 0; vertical-align: middle; }
.icon-xs { width: 14px; height: 14px; }
.icon-sm { width: 18px; height: 18px; }
.icon-md { width: 28px; height: 28px; }
.icon-lg { width: 36px; height: 36px; }
a { color: inherit; }
button { font-family: var(--font); cursor: pointer; }

/* ---- 3. LAYOUT ------------------------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

/* ---- 4. TYPOGRAPHY --------------------------------------- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

/* ---- 5. HEADER / NAV ------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(254,253,251,.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--sp-4);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  color: var(--c-ink);
  flex-shrink: 0;
  transition: opacity var(--ease);
}
.site-logo:hover { opacity: .85; }
.site-logo-icon {
  --logo-a: var(--c-primary);
  width: 48px;
  height: 48px;
  background: #fff;
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(44,41,38,.06), 0 0 0 1px rgba(44,41,38,.05);
  transition: box-shadow var(--ease);
}
.site-logo:hover .site-logo-icon { box-shadow: 0 4px 20px rgba(30,58,82,.15), 0 0 0 1px rgba(30,58,82,.1); }
.site-logo-icon img,
.site-logo-icon svg { width: 100%; height: 100%; object-fit: contain; }
.site-logo-icon-footer {
  --logo-a: var(--c-primary);
  background: rgba(255,255,255,.95);
  box-shadow: 0 1px 4px rgba(0,0,0,.12);
}
.site-footer .site-logo:hover .site-logo-icon-footer { box-shadow: 0 0 0 2px rgba(166,124,82,.4); }
/* Logo: Altın oran φ ≈ 1.618 — büyük/küçük oranı */
.site-logo-text {
  font-size: 1.41rem;      /* %5 küçük */
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1;
  color: var(--c-ink);
}
.site-logo-sub {
  font-size: 0.83rem;       /* %5 büyük */
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--c-blue);
  margin-top: 1.3px;       /* %20 az boşluk */
  min-width: 1ch;           /* uzunluk hizası için */
}
.site-logo > div:last-child {
  min-width: 18ch;          /* iki satır aynı blok genişliğinde */
}

/* Desktop nav */
.site-nav.desktop {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.site-nav.desktop a {
  padding: var(--sp-2) var(--sp-3);
  font-size: .9rem;
  font-weight: 500;
  color: var(--c-ink-2);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color var(--ease), background var(--ease);
}
.site-nav.desktop a:hover {
  color: var(--c-blue);
  background: var(--c-blue-pale);
}
.site-nav.desktop a.cta {
  background: var(--c-blue);
  color: #fff;
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--r-sm);
  font-weight: 600;
  margin-left: var(--sp-2);
  box-shadow: 0 1px 4px rgba(30,58,82,.2);
  transition: background var(--ease), box-shadow var(--ease), transform var(--ease);
}
.site-nav.desktop a.cta:hover {
  background: var(--c-blue-dark);
  box-shadow: 0 4px 14px rgba(30,58,82,.25);
  transform: translateY(-1px);
}

/* Mobile toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: var(--sp-2);
  font-size: 1.25rem;
  color: var(--c-ink);
  border-radius: var(--r-sm);
  transition: background var(--ease);
}
.mobile-menu-btn:hover { background: var(--c-border); }

/* Mobile nav */
.mobile-nav {
  display: none;
  border-top: 1px solid var(--c-border);
  background: var(--c-surface);
}
.mobile-nav.open { display: block; }
.mobile-nav .container {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: var(--sp-3);
  padding-bottom: var(--sp-3);
}
.mobile-nav a {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--c-ink-2);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: background var(--ease), color var(--ease);
}
.mobile-nav a:hover {
  background: var(--c-primary-pale);
  color: var(--c-primary);
}

@media (max-width: 768px) {
  .site-nav.desktop { display: none; }
  .mobile-menu-btn { display: block; }
}

/* ---- 6. BUTTONS & LINKS ---------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: .625rem 1.25rem;
  font-family: var(--font);
  font-size: .9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--r-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease),
              box-shadow var(--ease), transform var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-blue);
  color: #fff;
  border-color: var(--c-blue);
}
.btn-primary:hover {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
  box-shadow: 0 6px 20px rgba(30,58,82,.25);
  transform: translateY(-1px);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--c-blue);
  border-color: var(--c-blue);
}
.btn-outline:hover {
  background: var(--c-blue-pale);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.55);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  color: #fff;
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: 600;
  color: var(--c-blue);
  text-decoration: none;
  font-size: .9375rem;
  transition: gap var(--ease);
}
.link-arrow:hover { gap: var(--sp-3); }

/* ---- 7. HERO --------------------------------------------- */
.hero {
  position: relative;
  padding: var(--sp-16) 0 var(--sp-12);
  overflow: hidden;
  /* Body ile uyumlu, yumuşak geçiş */
  background: linear-gradient(175deg,
    var(--c-surface) 0%,
    var(--c-bg) 50%,
    var(--c-bg) 100%
  );
}

/* Arka plan — hafif sıcak tonlar, body ile akış */
.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at center, var(--c-primary-pale) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: .95;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -60px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle at center, var(--c-accent-pale) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: .9;
}
.hero .container { position: relative; z-index: 1; max-width: 680px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: .35rem .875rem;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--c-primary);
  background: var(--c-primary-pale);
  border: 1px solid rgba(30,58,82,.12);
  border-radius: 999px;
  margin-bottom: var(--sp-5);
}
.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--c-ink);
  margin-bottom: var(--sp-5);
}
.hero h1 span {
  color: var(--c-primary);
  font-weight: 800;
}
.hero p {
  font-size: 1.125rem;
  color: var(--c-muted);
  max-width: 50ch;
  margin-bottom: var(--sp-8);
  line-height: 1.7;
}
.hero-actions { display: flex; gap: var(--sp-3); flex-wrap: wrap; }

/* ---- 8. SECTIONS ----------------------------------------- */
.trust-bar {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: var(--sp-4) 0;
}
.trust-bar .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3) var(--sp-8);
}
.trust-bar-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: .875rem;
  font-weight: 500;
  color: var(--c-ink-2);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r);
  transition: color var(--ease), background var(--ease);
}
.trust-bar-item:hover { color: var(--c-primary); }
.trust-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--c-primary-pale);
  color: var(--c-primary);
  transition: transform var(--ease), background var(--ease);
}
.trust-bar-item:hover .trust-icon {
  background: var(--c-primary);
  color: #fff;
  transform: scale(1.08);
}

.section {
  padding: var(--sp-12) 0;
}
.section-alt {
  background: #faf9f7;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--c-primary);
  margin-bottom: var(--sp-3);
}
.section-title {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--c-ink);
  margin-bottom: var(--sp-3);
}
.section-sub {
  font-size: 1.0625rem;
  color: var(--c-muted);
  max-width: 52ch;
  margin-bottom: var(--sp-8);
  line-height: 1.65;
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
  flex-wrap: wrap;
}

/* ---- 9. PAGE HEADER -------------------------------------- */
.page-header {
  position: relative;
  padding: var(--sp-12) 0 var(--sp-8);
  margin-bottom: var(--sp-8);
  overflow: hidden;
  /* Yumuşak geçiş: body bg ile uyumlu, hafif gradient */
  background: linear-gradient(165deg,
    var(--c-surface) 0%,
    var(--c-bg) 45%,
    var(--c-bg) 100%
  );
}
.page-header::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle at center, var(--c-primary-pale) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  opacity: .9;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -80px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle at center, var(--c-accent-pale) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: .85;
}
.page-header h1,
.page-header p { position: relative; z-index: 1; }
.page-header h1 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.page-header p {
  color: var(--c-muted);
  font-size: 1.0625rem;
  margin-top: var(--sp-2);
  max-width: 55ch;
}

/* ---- 10. CATEGORY CARDS ---------------------------------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--sp-5);
}
.cat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  padding: var(--sp-8) var(--sp-5);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  text-decoration: none;
  color: var(--c-ink-2);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  transition: border-color var(--ease-out), box-shadow var(--ease-out), transform var(--ease-out), color var(--ease);
  box-shadow: var(--shadow-soft);
}

/* İkon — sıcak ton */
.cat-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--c-primary-pale);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--ease-out);
  box-shadow: 0 2px 8px rgba(30,58,82,.08);
}
.cat-card-icon .icon { width: 28px; height: 28px; }
.cat-card:hover {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(30,58,82,.08), var(--shadow-soft-hover);
  transform: translateY(-4px) scale(1.02);
  color: var(--c-primary);
}
.cat-card:hover .cat-card-icon {
  background: var(--c-primary);
  color: #fff;
  transform: scale(1.12);
  box-shadow: 0 8px 20px rgba(30,58,82,.2);
}

/* ---- 11. PRODUCT CARDS ----------------------------------- */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-5);
}
.prod-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: border-color var(--ease-out), box-shadow var(--ease-out), transform var(--ease-out);
}
.prod-card:hover {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(30,58,82,.08), var(--shadow-soft-hover);
  transform: translateY(-5px) scale(1.02);
}
.prod-card a { text-decoration: none; color: inherit; display: block; }
.prod-card-img {
  aspect-ratio: 4/3;
  background: var(--c-bg);
  overflow: hidden;
  border-bottom: 1px solid var(--c-border);
}
/* 2026: Daha etkili görsel ölçeklendirme */
.prod-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.prod-card:hover .prod-card-img img { transform: scale(1.08); }
.prod-card-body { padding: var(--sp-5); }
.prod-card-brand {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-primary);
  margin-bottom: var(--sp-2);
}
.prod-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--sp-2);
  line-height: 1.35;
}
.prod-card-desc {
  font-size: .875rem;
  color: var(--c-muted);
  line-height: 1.55;
  margin-bottom: var(--sp-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.prod-card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: .875rem;
  font-weight: 600;
  color: var(--c-primary);
  background: var(--c-primary-pale);
  padding: .5rem 1rem;
  border-radius: var(--r);
  transition: background var(--ease), gap var(--ease), transform var(--ease);
}
.prod-card-cta .icon { transition: transform var(--ease); }
.prod-card:hover .prod-card-cta {
  background: var(--c-primary);
  color: #fff;
  gap: var(--sp-3);
}
.prod-card:hover .prod-card-cta .icon { transform: translateX(2px); }

/* ---- 12. CTA BLOCK --------------------------------------- */
.cta-block {
  background: linear-gradient(145deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: #fff;
  padding: var(--sp-12) var(--sp-8);
  border-radius: var(--r-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(255,255,255,.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-block h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--sp-3);
}
.cta-icon {
  display: inline-flex;
  opacity: .9;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.2));
}
.cta-icon .icon { width: 32px; height: 32px; }
@media (min-width: 640px) {
  .cta-icon .icon { width: 40px; height: 40px; }
}
.cta-block p {
  font-size: 1.0625rem;
  opacity: .88;
  margin-bottom: var(--sp-6);
  max-width: 48ch;
  margin-left: auto;
  margin-right: auto;
}
.cta-block .btn-outline-white { font-size: 1rem; padding: .75rem 2rem; }

/* ---- 13. FOOTER ------------------------------------------ */
.site-footer {
  margin-top: var(--sp-16);
  background: var(--c-navy);
  color: rgba(255,255,255,.85);
  padding: var(--sp-12) 0 var(--sp-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.75fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-10);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-8); }
}

/* Footer logo */
.site-footer .site-logo { color: #fff; }
.site-footer .site-logo-icon {
  background: rgba(255,255,255,.1);
  box-shadow: none;
}
.site-footer .site-logo-text { color: #fff; }
.site-footer .site-logo-sub { color: rgba(255,255,255,.75); }

.site-footer .footer-desc {
  font-size: .9375rem;
  color: rgba(255,255,255,.65);
  margin-top: var(--sp-4);
  margin-bottom: var(--sp-4);
  max-width: 30ch;
  line-height: 1.65;
}
.contact-item {
  font-size: .9rem;
  color: rgba(255,255,255,.75);
  margin-bottom: var(--sp-2);
}
.contact-item a {
  color: rgba(255,255,255,.8);
  text-decoration: none;
  transition: color var(--ease);
}
.contact-item a:hover { color: #e8d4b8; }

.site-footer h4 {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.5);
  margin-bottom: var(--sp-4);
}
.site-footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.site-footer ul a {
  font-size: .9375rem;
  color: rgba(255,255,255,.72);
  text-decoration: none;
  transition: color var(--ease);
}
.site-footer ul a:hover { color: #fff; }
.copy {
  text-align: center;
  font-size: .8125rem;
  color: rgba(255,255,255,.4);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,.08);
}

/* ---- 14. BREADCRUMB -------------------------------------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  align-items: center;
  font-size: .85rem;
  color: var(--c-muted);
  margin-bottom: var(--sp-5);
}
.breadcrumb a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color var(--ease);
}
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb span { color: var(--c-faint); }

/* ---- 15. PRODUCT DETAIL ---------------------------------- */
.prod-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-10);
  align-items: start;
  margin-top: var(--sp-4);
}
@media (max-width: 768px) { .prod-detail { grid-template-columns: 1fr; gap: var(--sp-6); } }

.prod-detail-img {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  aspect-ratio: 1;
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--ease);
}
.prod-detail-img:hover { box-shadow: var(--shadow-soft-hover); }
.prod-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.prod-detail-img:hover img { transform: scale(1.03); }

.prod-detail-meta {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-primary);
  margin-bottom: var(--sp-2);
}
.prod-detail-title {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: var(--sp-3);
}
.prod-detail-stock {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: .8125rem;
  font-weight: 600;
  color: #166534;
  background: #dcfce7;
  padding: .25rem .6rem;
  border-radius: 999px;
  margin-bottom: var(--sp-5);
}
.prod-detail-specs {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--sp-5);
  font-size: .9375rem;
}
.prod-detail-specs th,
.prod-detail-specs td {
  padding: .6rem .75rem;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}
.prod-detail-specs th {
  font-weight: 600;
  color: var(--c-muted);
  width: 40%;
  background: var(--c-bg);
}
.prod-detail-specs td { color: var(--c-ink-2); }

/* ---- 16. PROSE ------------------------------------------- */
.prose {
  max-width: 68ch;
  color: var(--c-ink-2);
  font-size: 1rem;
  line-height: 1.75;
}
.prose h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-top: var(--sp-8);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 2px solid var(--c-border);
}
.prose ul {
  margin: var(--sp-3) 0 var(--sp-5) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.prose li { color: var(--c-ink-2); }
.prose p { margin-bottom: var(--sp-4); }
.prose strong { color: var(--c-ink); }

/* ---- 17. CATALOG LAYOUT ---------------------------------- */
.catalog-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--sp-8);
  align-items: start;
}
.catalog-sidebar {
  position: sticky;
  top: calc(68px + var(--sp-5));
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
}
.catalog-sidebar-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--c-muted);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--c-border);
}
.catalog-sidebar a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  color: var(--c-ink-2);
  transition: background var(--ease), color var(--ease);
  margin-bottom: 2px;
}
.catalog-sidebar a:hover { background: var(--c-primary-pale); color: var(--c-primary); }
.catalog-sidebar a.active { background: var(--c-primary-pale); color: var(--c-primary); font-weight: 600; }
.catalog-sidebar a .count {
  font-size: .75rem;
  font-weight: 600;
  color: var(--c-faint);
  background: var(--c-bg);
  border-radius: 999px;
  padding: .1rem .5rem;
}

@media (max-width: 768px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .catalog-sidebar { position: static; }
}

/* ---- 18. CONTACT PAGE ------------------------------------ */
.contact-page-grid {
  display: grid;
  gap: var(--sp-10);
  grid-template-columns: 1.1fr 1fr;
  align-items: start;
}
@media (max-width: 768px) { .contact-page-grid { grid-template-columns: 1fr; } }

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.contact-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
  box-shadow: var(--shadow-soft);
}
.contact-card:hover {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(30,58,82,.06), var(--shadow-soft-hover);
  transform: translateY(-2px);
}
.contact-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--c-primary-pale);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-4);
  transition: transform var(--ease), background var(--ease);
  box-shadow: 0 2px 8px rgba(30,58,82,.08);
}
.contact-card-icon .icon { width: 24px; height: 24px; }
.contact-card:hover .contact-card-icon {
  transform: scale(1.08);
  background: var(--c-blue);
  color: #fff;
}
.contact-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--sp-2);
}
.contact-card a { color: var(--c-primary); font-weight: 600; text-decoration: none; }
.contact-card a:hover { text-decoration: underline; }

/* ---- 19. FORMS ------------------------------------------- */
.form-block {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
}
.form-group { margin-bottom: var(--sp-5); }
.form-group label {
  display: block;
  font-size: .9rem;
  font-weight: 600;
  color: var(--c-ink-2);
  margin-bottom: var(--sp-2);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .65rem .875rem;
  font-family: var(--font);
  font-size: .9375rem;
  border: 1.5px solid var(--c-border-2);
  border-radius: var(--r-sm);
  background: var(--c-bg);
  color: var(--c-ink);
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
}
.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover { border-color: #9ca3af; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(30,58,82,.1);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group .error { font-size: .8125rem; color: var(--c-error); margin-top: var(--sp-1); }
.form-success {
  background: var(--c-success-bg);
  color: var(--c-success);
  border: 1px solid rgba(22,101,52,.18);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-sm);
  margin-bottom: var(--sp-5);
  font-weight: 500;
  font-size: .9375rem;
}
.form-error {
  background: var(--c-error-bg);
  color: var(--c-error);
  border: 1px solid rgba(153,27,27,.18);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-sm);
  margin-bottom: var(--sp-5);
  font-size: .9375rem;
}
.form-block .btn { width: 100%; margin-top: var(--sp-2); padding: .75rem; font-size: 1rem; }

/* ---- 20. MAIN SPACING ------------------------------------ */
main { min-height: 60vh; }
main > .container { padding-top: var(--sp-6); padding-bottom: var(--sp-12); }

/* ---- 21. UTILITIES --------------------------------------- */
.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;
}