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

:root {
  --bg: #ffffff;
  --bg-secondary: #f5f4f1;
  --bg-tertiary: #eeede9;
  --text: #111110;
  --text-secondary: #5f5e5a;
  --text-tertiary: #888780;
  --border: rgba(17,17,16,0.12);
  --border-md: rgba(17,17,16,0.22);
  --radius-md: 8px;
  --radius-lg: 12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: radial-gradient(circle at top, #ffffff 0%, #f8f8f6 35%, #f1f1ee 100%);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 2.5rem;
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 30px rgba(17,17,16,0.05);
  z-index: 100;
}

.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  letter-spacing: 3px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  transition: color 0.2s;
}

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

.nav-cta {
  font-size: 12px;
  font-weight: 500;
  padding: 8px 18px;
  border: 0.5px solid var(--border-md);
  border-radius: 20px;
  cursor: pointer;
  background: transparent;
  color: var(--text);
  transition: background 0.2s, color 0.2s;
  font-family: 'DM Sans', sans-serif;
}

.nav-cta:hover { background: var(--text); color: var(--bg); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

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

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 14px;
  padding: 1rem 2.5rem 1.3rem;
  background: rgba(255,255,255,0.98);
  border-bottom: 0.5px solid var(--border);
}

.mobile-menu.open { display: flex; }
.mobile-menu a { color: var(--text-secondary); font-size: 14px; }
.mobile-menu a.active, .mobile-menu a:hover { color: var(--text); }

/* ── MAIN ── */
main {
  padding: 0;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-heading {
  padding: 4rem 2.5rem 0 2.5rem;
  max-width: 1140px;
  margin: 0 auto;
  color: var(--text);
}

.section-heading h2 {
  font-size: 48px;
  line-height: 1.02;
  margin-bottom: 0.75rem;
}

.section-heading p {
  max-width: 680px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
}

h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 68px;
  line-height: 0.96;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
  max-width: 11ch;
}

h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 48px;
  line-height: 1;
  letter-spacing: 1px;
  margin-bottom: 2rem;
}

/* ── HERO / PAGE HERO ── */
.page-hero {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  min-height: 550px;
  align-items: center;
  border-bottom: 0.5px solid var(--border);
  overflow: hidden;
}

.hero-copy {
  padding: 4rem 3rem 4rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 640px;
}

.hero-copy p:not(.eyebrow) {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 2rem;
}

.metric-card {
  padding: 1rem;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}

.metric-label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 0.45rem;
  display: block;
}

.metric-card strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
}

.hero-actions, .product-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.btn-primary, .btn-ghost, .variant-link {
  font-size: 13px;
  font-weight: 500;
  padding: 13px 28px;
  border-radius: 28px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #111111 0%, #3a3a3a 100%);
  color: var(--bg);
  border: none;
  box-shadow: 0 18px 35px rgba(17,17,16,0.12);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255,255,255,0.9);
  color: var(--text);
  border: 0.5px solid rgba(17,17,16,0.12);
}

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

.product-hero-right {
  background: linear-gradient(145deg, #f9f8f6 0%, #ebeeeb 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 520px;
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  box-shadow: 0 18px 60px rgba(17,17,16,0.08);
}

.product-hero-right img {
  max-width: 100%;
  max-height: 420px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 24px 48px rgba(17,17,16,0.14));
}

.eco-label {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 16px;
  background: var(--bg);
  border-radius: 20px;
  border: 0.5px solid var(--border);
  z-index: 10;
}

/* ── VARIANTS SECTION ── */
.variants-header {
  padding: 3rem 2.5rem 1.5rem;
  border-top: 0.5px solid var(--border);
}

.variants-header span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.variants {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  padding: 0 2.5rem 3rem;
}

.variant {
  padding: 2rem;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}

.variant-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
}

.variant-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.spec-rows {
  display: grid;
  gap: 12px;
  margin-bottom: 1.5rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: 13px;
}

.spec-key {
  font-weight: 600;
  color: var(--text-tertiary);
}

.spec-val {
  color: var(--text);
  font-weight: 600;
}

.spec-val.green {
  color: #4a8b3a;
}

.variant p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.variant-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.variant-actions a {
  flex: 1 1 140px;
  min-width: 140px;
  text-align: center;
  padding: 12px 18px;
  border-radius: 22px;
  border: 1px solid var(--border-md);
  color: var(--text);
  background: var(--bg);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.variant-actions a:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(17,17,16,0.08);
}

.variant-actions .btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: transparent;
}

.variant-actions .btn-ghost {
  background: transparent;
}

.filter-line {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* ── COLLECTION / MODEL GRID ── */
.collection-section {
  padding: 0;
  background: var(--bg);
  min-height: 100vh;
  width: 100%;
}

/* ── MODEL GRID ── */
.model-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  padding: 2.5rem;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
}

.model-card {
  border: none;
  border-right: 0.5px solid var(--border);
  border-radius: 32px;
  overflow: hidden;
  background: rgba(255,255,255,0.96);
  box-shadow: 0 18px 40px rgba(17,17,16,0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: auto;
  width: 100%;
  padding: 2rem;
}

.model-card:last-child {
  border-right: none;
}

.model-card:hover {
  background: #ffffff;
  transform: translateY(-4px);
  box-shadow: 0 26px 50px rgba(17,17,16,0.1);
}

.model-card-media {
  background: linear-gradient(180deg, #fafafa 0%, #f2f2f0 100%);
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 1.75rem;
  border-radius: 24px;
}

.model-card-media img {
  width: 100%;
  max-width: 420px;
  max-height: 100%;
  height: auto;
  object-fit: contain;
}

.model-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 12px;
  background: rgba(255,255,255,0.95);
  border: 0.5px solid var(--border);
  border-radius: 16px;
  color: var(--text);
  z-index: 5;
}

.model-card-body {
  padding: 0;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-tag {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 0.5rem;
}

.model-head h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 40px;
  letter-spacing: 1px;
  margin: 0 0 1.5rem;
  line-height: 1;
}

.product-price {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.product-price strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-top: 0.3rem;
}

.model-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.feature-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.feature-pills span {
  font-size: 12px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 0.5px solid var(--border);
  border-radius: 16px;
  color: var(--text-secondary);
}

.variant-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.variant-link {
  flex: 1;
  min-width: 150px;
  font-size: 12px;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 22px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--text);
  color: var(--bg);
  border: none;
}

.variant-link:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.variant-link--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--text);
}

.variant-link--ghost:hover {
  background: var(--text);
  color: var(--bg);
}

/* ── ECO SECTION ── */
.eco-section {
  background: #2a3a2a;
  color: white;
  padding: 4rem 2.5rem;
}

.eco-section-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.eco-section h2,
.eco-section h3 {
  color: white;
  margin-bottom: 1.5rem;
}

.eco-section p {
  color: rgba(255,255,255,0.8);
  line-height: 1.75;
}

.eco-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.eco-card {
  min-height: 180px;
  padding: 1.75rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.eco-card-icon {
  margin-bottom: 1rem;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.1);
  border-radius: 14px;
}

.eco-card h3 {
  font-size: 18px;
  margin-bottom: 0.75rem;
}

/* ── CTA BANNER ── */
.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: transparent;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 1.25rem;
  font-size: 44px;
  margin-bottom: 0.75rem;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  background: white;
  color: #111;
  font-weight: 700;
  font-size: 24px;
  border: none;
  max-width: 80%;
  max-height: 420px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.08));
  opacity: 0.95;
  transform: translateY(-1px);
}

/* ── FOOTER ── */
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 2.5rem;
  border-top: 0.5px solid var(--border);
  font-size: 12px;
  color: var(--text-tertiary);
}

footer a {
  color: var(--text-secondary);
  transition: color 0.2s;
}

footer a:hover { color: var(--text); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav {
    padding: 1rem 1.5rem;
  }

  .nav-links, .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .page-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    border-bottom: none;
  }

  .hero-copy {
    padding: 2rem 1.5rem;
    border-bottom: 0.5px solid var(--border);
  }

  .product-hero-right {
    min-height: 300px;
    padding: 2rem 1.5rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 36px;
  }

  .variants-header, .collection-section, .eco-section {
    padding: 2rem 1.5rem;
  }

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

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

  .variant-actions {
    flex-direction: column;
  }

  .variant-actions a {
    width: 100%;
  }

  .cta-banner {
    flex-direction: column;
    align-items: stretch;
    margin: 0 1.5rem 1.5rem;
  }

  .btn-white {
    width: 100%;
    max-width: none;
  }

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

  .variants, .model-grid {
    grid-template-columns: 1fr;
    padding: 0 1.5rem 2rem;
    gap: 15px;
  }

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

  .eco-section-inner {
    grid-template-columns: 1fr;
  }

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

  footer {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
    padding: 1.5rem;
  }
}