:root {
  --color-bg: #FFFFFF;
  --color-bg-alt: #F6F6F6;
  --color-surface: #FFFFFF;
  --color-text: #444444;
  --color-text-muted: #777777;
  --color-text-light: #AAAAAA;
  --color-border: #E0E0E0;
  --color-border-light: #E8E8E8;
  --color-accent: #2A3B55;
  --color-accent-hover: #1E2D42;
  --color-accent-light: #D6DEE8;
  --color-accent-red: #7A2C3B;
  --color-nav: #1E1E24;
  --color-success: #4A7C59;
  --color-error: #B85050;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --nav-height: 72px;
  --section-gap: 45px;
  --section-pad: 30px;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 500;
  font-display: swap;
  src: url(../fonts/inter.woff2) format('woff2');
}

@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/playfair-display-400.ttf) format('truetype');
}

@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(../fonts/playfair-display-600.ttf) format('truetype');
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html.snap-page {
  scroll-snap-type: y mandatory;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle, rgba(42,59,85,0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  line-height: 1.7;
  font-weight: 350;
  letter-spacing: 0.01em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(30,30,36,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s ease;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #FFFFFF;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: all 0.3s ease;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
}

.lang-switch button {
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

.lang-switch button.active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

.lang-switch button:hover {
  color: var(--color-text);
}

/* ═══════════════════════════════════════════
   Design System: Textures, Icons & Decor
   ═══════════════════════════════════════════ */

/* ── Texture: Dot Matrix Overlay ── */
.bg-dots {
  position: relative;
}
.bg-dots::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(circle, rgba(42,59,85,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ── Texture: Vertical Line Grain ── */
.bg-lines {
  position: relative;
}
.bg-lines::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 2px,
    rgba(42,59,85,0.025) 2px,
    rgba(42,59,85,0.025) 3px
  );
}

/* ── Texture: Matte / Frosted ── */
.bg-matte {
  background-color: rgba(246,246,246,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ── Geometric: Angled Cut Corner ── */
.clip-angle {
  clip-path: polygon(0 12px, 12px 0, 100% 0, 100% 100%, 0 100%);
}

/* ── Decorative Left Accent Bar ── */
.accent-bar {
  border-left: 3px solid var(--color-accent);
  padding-left: 20px;
}
.accent-bar-red {
  border-left-color: var(--color-accent-red);
}

/* ── Inline SVG Icon Classes ── */
.icon-block {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-light);
  margin-bottom: 16px;
  flex-shrink: 0;
}
.icon-block svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Section Decorative Line (inline separator) ── */
.decor-line {
  display: block;
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin: 0 auto 20px;
}
.decor-line-dashed {
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--color-accent) 0, var(--color-accent) 4px, transparent 4px, transparent 8px);
}

/* ── Gradient Glow ── */
.bg-glow {
  background: linear-gradient(180deg, rgba(42,59,85,0.03) 0%, transparent 50%, rgba(42,59,85,0.03) 100%);
}

/* ── Mobile Nav ── */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    background: var(--color-surface);
    padding: 60px 40px;
    transition: right 0.35s ease;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 0.95rem;
    color: var(--color-text-muted);
  }

  .nav-links a:hover {
    color: var(--color-text);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 99;
  }

  .nav-overlay.open {
    display: block;
  }
}

/* ── Page Header ── */
.page-header {
  padding: calc(var(--nav-height) + 80px) 0 var(--section-gap);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse at 50% 0%, rgba(42,59,85,0.08) 0%, rgba(42,59,85,0.02) 50%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.page-header > * {
  position: relative;
  z-index: 1;
}

.page-header[style*="--bg-image"] {
  background-image: var(--bg-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-header[style*="--bg-image"]::before {
  top: 0;
  left: 0;
  transform: none;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, var(--overlay, 0.45));
}

.page-header[style*="--bg-image"] h1,
.page-header[style*="--bg-image"] p {
  color: #fff;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Sections ── */
.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--color-border-light);
  scroll-snap-align: start;
}

.section > .container {
  flex: 1;
  padding: var(--section-pad) 40px;
}

/* ── Dashed Section Divider ── */
.section-dashed {
  border-top-style: dashed;
}

.section-alt {
  background: var(--color-bg-alt);
  background-image:
    linear-gradient(45deg, rgba(42,59,85,0.03) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(42,59,85,0.03) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(42,59,85,0.03) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(42,59,85,0.03) 75%);
  background-size: 80px 80px;
  background-position: 0 0, 0 40px, 40px -40px, -40px 0px;
}

/* ── Section Background Colors ── */
.bg-charcoal { background-color: #1E1E24; }
.bg-blue     { background-color: #2A3B55; }
.bg-light    { background-color: #F6F6F6; }
.bg-white    { background-color: #FFFFFF; }

.section-end {
  min-height: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  scroll-snap-align: start;
}

/* ── Dark Sections ── */
.section-dark,
.section-dark .section-title,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #fff;
}

.section-dark.section {
  border-top-color: rgba(255,255,255,0.08);
}

.section-dark .section-label {
  color: rgba(255,255,255,0.6);
  border-bottom-color: rgba(255,255,255,0.2);
}

.section-dark .section-subtitle,
.section-dark p {
  color: rgba(255,255,255,0.7);
}

.section-dark .card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}

.section-dark .card:hover {
  border-color: rgba(255,255,255,0.2);
}

.section-dark .card h3,
.section-dark .card h4 {
  color: #fff;
}

.section-dark .card p {
  color: rgba(255,255,255,0.65);
}

.section-dark .step-num {
  color: rgba(255,255,255,0.15);
}

.section-dark .step h4 {
  color: #fff;
}

.section-dark .step p {
  color: rgba(255,255,255,0.65);
}

.section-dark .highlight-box {
  background: rgba(255,255,255,0.06);
  border-left: 2px solid rgba(255,255,255,0.2);
}

.section-dark .highlight-box h4 {
  color: #fff;
}

.section-dark .highlight-box p {
  color: rgba(255,255,255,0.65);
}

.section-disclaimer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.78rem;
  color: var(--color-text-light);
  line-height: 1.7;
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-disclaimer h4 {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--color-text-muted);
}

.section-disclaimer ul {
  list-style: none;
}

.section-disclaimer li {
  margin-bottom: 3px;
}

.section-dark .btn-primary {
  background: #fff;
  color: #1E1E24;
  border-color: #fff;
}

.section-dark .btn-primary:hover {
  background: rgba(255,255,255,0.85);
  color: #1E1E24;
}

/* ── Dark Hero ── */
.hero.bg-charcoal,
.hero.bg-blue {
  color: #fff;
}

.hero.bg-charcoal .hero-badge,
.hero.bg-blue .hero-badge {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
}

.hero.bg-charcoal h1,
.hero.bg-blue h1 {
  color: #fff;
}

.hero.bg-charcoal .hero-tagline span,
.hero.bg-blue .hero-tagline span {
  color: rgba(255,255,255,0.8);
  border-right-color: rgba(255,255,255,0.15);
}

.hero.bg-charcoal::before,
.hero.bg-blue::before {
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 40%, transparent 70%);
}

.hero.bg-charcoal::after,
.hero.bg-blue::after {
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.04) 0%, transparent 70%);
}

/* ── Section Background Image (manual) ── */
.section[style*="--bg-image"] {
  position: relative;
  background-image: var(--bg-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section[style*="--bg-image"] .container {
  position: relative;
  z-index: 1;
}

.section[style*="--bg-image"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, var(--overlay, 0.82));
  z-index: 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
  line-height: 1.25;
  position: relative;
  padding-bottom: 20px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--color-accent);
}

.text-center .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + var(--section-gap)) 0 var(--section-gap) 0;
  scroll-snap-align: start;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(ellipse at center, rgba(42,59,85,0.08) 0%, rgba(42,59,85,0.03) 40%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(42,59,85,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero[style*="--bg-image"] {
  background-image: var(--bg-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero[style*="--bg-image"]::before {
  top: 0;
  left: 0;
  transform: none;
  width: 100%;
  height: 100%;
  border-radius: 0;
  background: rgba(0, 0, 0, var(--overlay, 0.45));
}

.hero[style*="--bg-image"]::after {
  display: none;
}

.hero[style*="--bg-image"] h1,
.hero[style*="--bg-image"] .hero-tagline {
  color: #fff;
}

.hero[style*="--bg-image"] .hero-tagline span {
  color: #fff;
}

.hero[style*="--bg-image"] .hero-tagline span:not([data-i18n]) {
  color: rgba(255,255,255,0.4);
}

.hero[style*="--bg-image"] .hero-badge {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
}

.hero[style*="--bg-image"] .btn-outline {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

.hero[style*="--bg-image"] .btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  margin-bottom: 40px;
}

.hero-tagline span {
  display: inline-block;
  margin: 0 12px;
  color: var(--color-border);
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  font-size: 0.9rem;
  font-weight: 450;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
}

.btn-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}

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

.btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-xs);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
  border-left-color: var(--color-accent-red);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.card-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── Steps ── */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 40px 24px;
}

.step {
  text-align: center;
  position: relative;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--color-accent-light);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0 auto 16px;
}

.step h4 {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}

.step p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ── Product Category Grid ── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 25px;
}

.cat-card {
  grid-column: span 2;
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.cat-card:nth-child(-n+2),
.cat-card:nth-child(n+6) {
  grid-column: span 3;
}

.cat-card:nth-child(even) {
  background: #F6F6F6;
}

.cat-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
  transform: translateY(-2px);
}

.cat-img {
  position: relative;
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  background: #FFFFFF;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  overflow: hidden;
}

.cat-img svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-accent);
  flex-shrink: 0;
}

.cat-size-hint {
  display: block;
  margin-top: 8px;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.cat-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cat-specs-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
  color: #FFFFFF;
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  text-align: center;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
  pointer-events: none;
}

.cat-info {
  padding: 20px 24px;
  text-align: center;
}

.cat-info h4 {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
  padding-bottom: 12px;
  position: relative;
}

.cat-info h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 1px;
  background: var(--color-accent);
}

.cat-card:nth-child(n+3):nth-child(-n+5) .cat-info h4::after {
  background: #7A2C3B;
}

.cat-info span {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* ── Product Detail ── */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.product-gallery {
  position: relative;
  aspect-ratio: 1;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  overflow: hidden;
}

.img-size-hint {
  display: block;
  margin-top: 8px;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.product-gallery img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.product-sku {
  font-size: 0.8rem;
  color: var(--color-text-light);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
}

.specs-table th,
.specs-table td {
  padding: 12px 0;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.9rem;
}

.specs-table th {
  width: 120px;
  font-weight: 450;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.product-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 20px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.product-note svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Table ── */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
}

.info-table th,
.info-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.92rem;
  line-height: 1.6;
}

.info-table th {
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
  width: 180px;
}

/* ── Contact Form ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
  font-size: 0.92rem;
}

.contact-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: 0.9rem;
  color: var(--color-text);
  transition: border-color 0.2s ease;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.25s ease;
}

.form-submit:hover {
  background: var(--color-accent-hover);
}

.form-success {
  display: none;
  padding: 16px 20px;
  background: #E9EFF5;
  border-radius: var(--radius-sm);
  color: var(--color-success);
  font-size: 0.9rem;
  margin-top: 16px;
}

/* ── Disclaimer ── */
.disclaimer {
  padding: 24px 0;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.disclaimer h4 {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--color-text-muted);
}

.disclaimer ul {
  list-style: none;
}

.disclaimer li {
  margin-bottom: 4px;
}

/* ── Footer ── */
.footer {
  padding: 24px 0;
  text-align: center;
  border-top: 1px solid var(--color-border-light);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.footer p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
}

/* ── Divider ── */
.divider {
  width: 40px;
  height: 2px;
  background: var(--color-accent-light);
  margin: 40px auto;
}

.divider-left {
  margin: 40px 0;
}

/* ── Highlight Box ── */
.highlight-box {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, rgba(42,59,85,0.04) 100%);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
  padding: 32px 36px;
  margin: 32px 0;
  box-shadow: var(--shadow-xs);
}

.highlight-box h4 {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.highlight-box p {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.7;
}

/* ── Tag ── */
.tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 100px;
  margin-right: 6px;
  margin-bottom: 6px;
}

.tag-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.tag-filled {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* ── Two Column Text ── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.two-col h3 {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.two-col p,
.two-col li {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.two-col ul {
  list-style: none;
}

.two-col li {
  margin-bottom: 8px;
  padding-left: 16px;
  position: relative;
}

.two-col li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent-light);
}

/* ── Utility ── */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-sm { margin-top: 16px; }
.mt-md { margin-top: 32px; }
.mt-lg { margin-top: 64px; }
.mb-sm { margin-bottom: 16px; }
.mb-md { margin-bottom: 32px; }
.mb-lg { margin-bottom: 64px; }
.hidden { display: none; }

/* ── Language Switcher ── */
.lang-switch {
  position: relative;
  margin-left: 16px;
  z-index: 100;
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.8);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-sans);
}

.lang-current:hover {
  background: rgba(255,255,255,0.14);
  color: #fff;
}

.lang-arrow {
  font-size: 0.6rem;
  transition: transform 0.2s;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: #fff;
  border: 1px solid #E8E8E8;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  min-width: 150px;
  max-height: 320px;
  overflow-y: auto;
  display: none;
  flex-direction: column;
  padding: 4px 0;
}

.lang-dropdown.open {
  display: flex;
}

.lang-dropdown button {
  padding: 8px 16px;
  border: none;
  background: transparent;
  font-size: 0.82rem;
  color: #444;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.lang-dropdown button:hover {
  background: #f5f5f5;
  color: #1E1E24;
}

.lang-dropdown button.active {
  background: #f0f4f8;
  color: var(--color-accent);
  font-weight: 600;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .nav-inner {
    padding: 0 20px;
  }

  .section {
    min-height: 100vh;
    padding: 40px 0;
  }

  .hero {
    min-height: 100vh;
    padding: var(--nav-height) 0 0 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .cat-grid {
    gap: 16px;
    grid-template-columns: 1fr 1fr;
  }

  .cat-card {
    grid-column: span 1;
  }

  .cat-card:nth-child(-n+2),
  .cat-card:nth-child(n+6) {
    grid-column: span 1;
  }

  .product-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-tagline span {
    display: none;
  }

  .hero-tagline {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .btn-group {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .info-table th {
    width: auto;
    display: block;
    padding-bottom: 4px;
    border-bottom: none;
  }

  .info-table td {
    display: block;
    padding-top: 0;
  }
}