/* ============================================================
   NUMBER MY CASA — Design System & Stylesheet
   Ultra-modern dark industrial storefront
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Backgrounds */
  --bg-primary:    #1a1d20;
  --bg-deep:       #111315;
  --bg-card:       #1e2124;
  --bg-card-hover: #252a2e;
  --bg-input:      #15181b;

  /* Text */
  --text-primary:  #f8f9fa;
  --text-body:     #adb5bd;
  --text-muted:    #6c757d;

  /* Accents */
  --accent-cedar:  #c17a47;
  --accent-cedar-light: #d9955f;
  --accent-cyan:   #00f3ff;
  --accent-cyan-dim: rgba(0, 243, 255, .15);
  --accent-cyan-glow: rgba(0, 243, 255, .35);

  /* Glow Shadows */
  --glow-sm:  0 0 8px  var(--accent-cyan-dim), 0 0 20px  rgba(0, 243, 255, .06);
  --glow-md:  0 0 12px var(--accent-cyan-dim), 0 0 36px  rgba(0, 243, 255, .08);
  --glow-lg:  0 0 20px var(--accent-cyan-glow), 0 0 60px rgba(0, 243, 255, .12);
  --glow-btn: 0 0 18px var(--accent-cyan-dim), 0 4px 24px rgba(0, 0, 0, .4);

  /* Elevation */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, .45), 0 1px 3px rgba(0, 0, 0, .3);
  --shadow-hover: 0 8px 40px rgba(0, 0, 0, .55), 0 2px 6px rgba(0, 0, 0, .35);

  /* Borders */
  --border-subtle: 1px solid rgba(255, 255, 255, .06);
  --border-cyan:   1px solid rgba(0, 243, 255, .18);

  /* Layout */
  --container-max: 1200px;
  --section-gap:   clamp(4rem, 8vw, 7rem);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(.16, 1, .3, 1);
  --transition-base: .3s var(--ease-out-expo);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-body);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-base);
}
a:hover { color: var(--accent-cedar-light); }

::selection {
  background: var(--accent-cyan-dim);
  color: var(--text-primary);
}

/* ── Utility ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--accent-cyan);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: .75rem;
}

.section-subtitle {
  font-size: clamp(.95rem, 1.8vw, 1.1rem);
  color: var(--text-body);
  max-width: 600px;
  line-height: 1.7;
}

/* ── Header / Navbar ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(17, 19, 21, .82);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: var(--border-subtle);
  transition: padding var(--transition-base), background var(--transition-base);
}
.site-header.scrolled {
  padding: .6rem 0;
  background: rgba(17, 19, 21, .95);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-cedar), var(--accent-cyan));
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: .9rem;
  color: var(--bg-deep);
}
.brand-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
}
.brand-name span { color: var(--accent-cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-body);
  letter-spacing: .02em;
  transition: color var(--transition-base);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: width var(--transition-base);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  padding: .55rem 1.4rem;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan);
  color: var(--bg-deep) !important;
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .03em;
  transition: all var(--transition-base);
  box-shadow: var(--glow-btn);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: #33f5ff;
  color: var(--bg-deep) !important;
  transform: translateY(-1px);
  box-shadow: var(--glow-lg);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ── HERO SECTION ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .18;
  filter: brightness(.7) saturate(.6);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(17, 19, 21, .5) 0%,
    rgba(26, 29, 32, .85) 55%,
    var(--bg-primary) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  padding: .35rem .9rem;
  border: var(--border-cyan);
  border-radius: 100px;
  background: var(--accent-cyan-dim);
}

.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 1.5rem;
}
.hero h1 .highlight {
  color: var(--accent-cyan);
  text-shadow: 0 0 30px rgba(0, 243, 255, .3);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 620px;
}
.hero-sub strong {
  color: var(--accent-cedar-light);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .9rem 2.2rem;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan);
  color: var(--bg-deep);
  font-weight: 800;
  font-size: .95rem;
  letter-spacing: .02em;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--glow-btn);
  text-decoration: none;
}
.btn-primary:hover {
  background: #33f5ff;
  color: var(--bg-deep);
  transform: translateY(-2px);
  box-shadow: var(--glow-lg);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .9rem 2.2rem;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  border: 1px solid rgba(255, 255, 255, .15);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}
.btn-secondary:hover {
  border-color: var(--accent-cedar);
  color: var(--accent-cedar-light);
  background: rgba(193, 122, 71, .08);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: var(--border-subtle);
}
.hero-stat-item {
  text-align: left;
}
.hero-stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}
.hero-stat-number span { color: var(--accent-cyan); }
.hero-stat-label {
  font-size: .75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-top: .15rem;
}

/* ── PRODUCTS GRID ── */
.products {
  padding: var(--section-gap) 0;
  background: var(--bg-deep);
  position: relative;
}
.products::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 243, 255, .04) 0%, transparent 70%);
  pointer-events: none;
}

.products-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.products-header .section-subtitle {
  margin-inline: auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.product-card {
  position: relative;
  background: var(--bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .4s var(--ease-out-expo);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 243, 255, .15);
  box-shadow: var(--glow-md), var(--shadow-hover);
}

.product-card.featured {
  border-color: rgba(0, 243, 255, .2);
  box-shadow: var(--glow-sm);
}

.product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  padding: .3rem .75rem;
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.product-badge.popular {
  background: var(--accent-cyan);
  color: var(--bg-deep);
  box-shadow: var(--glow-sm);
}
.product-badge.premium {
  background: linear-gradient(135deg, var(--accent-cedar), var(--accent-cedar-light));
  color: #fff;
}

.product-image {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: var(--bg-deep);
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease-out-expo);
}
.product-card:hover .product-image img {
  transform: scale(1.05);
}
.product-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--bg-card), transparent);
}

.product-body {
  padding: 1.5rem 1.75rem 1.75rem;
}

.product-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .15rem;
  letter-spacing: -.01em;
}

.product-tagline {
  font-size: .8rem;
  color: var(--accent-cedar-light);
  font-weight: 500;
  margin-bottom: 1rem;
}

.product-desc {
  font-size: .9rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: 1.5rem;
}
.product-features li {
  display: flex;
  align-items: flex-start;
  gap: .55rem;
  font-size: .82rem;
  color: var(--text-body);
  line-height: 1.5;
}
.product-features li::before {
  content: '✦';
  color: var(--accent-cyan);
  font-size: .6rem;
  margin-top: .35rem;
  flex-shrink: 0;
}
.product-card.featured .product-features li::before {
  text-shadow: 0 0 8px var(--accent-cyan-glow);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: var(--border-subtle);
}

.product-price {
  font-size: .8rem;
  color: var(--text-muted);
  font-weight: 500;
}
.product-price strong {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: .1rem;
}

.btn-card {
  padding: .6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .03em;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}
.btn-card-primary {
  background: var(--accent-cyan);
  color: var(--bg-deep);
  box-shadow: var(--glow-sm);
}
.btn-card-primary:hover {
  background: #33f5ff;
  box-shadow: var(--glow-md);
  transform: translateY(-1px);
  color: var(--bg-deep);
}
.btn-card-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 243, 255, .25);
}
.btn-card-outline:hover {
  background: var(--accent-cyan-dim);
  border-color: var(--accent-cyan);
}

/* ── COMPLIANCE BANNER ── */
.compliance {
  padding: var(--section-gap) 0;
  position: relative;
  overflow: hidden;
}
.compliance::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan-dim), transparent);
}

.compliance-card {
  background: var(--bg-card);
  border: var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
  box-shadow: var(--glow-sm);
}
.compliance-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cedar), var(--accent-cyan), var(--accent-cedar));
}

.compliance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.compliance-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--accent-cyan-dim);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  border: var(--border-cyan);
  box-shadow: var(--glow-sm);
}

.compliance-title {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: .75rem;
}

.compliance-body {
  font-size: .92rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.compliance-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.spec-block {
  background: var(--bg-deep);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  transition: all var(--transition-base);
}
.spec-block:hover {
  border-color: rgba(0, 243, 255, .12);
  box-shadow: var(--glow-sm);
}

.spec-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
  font-family: 'JetBrains Mono', monospace;
  text-shadow: 0 0 16px rgba(0, 243, 255, .3);
}

.spec-label {
  font-size: .72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: .35rem;
}

.compliance-codes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.code-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-deep);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all var(--transition-base);
}
.code-item:hover {
  border-color: rgba(0, 243, 255, .12);
}

.code-tag {
  flex-shrink: 0;
  padding: .3rem .7rem;
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: rgba(193, 122, 71, .15);
  color: var(--accent-cedar-light);
  border: 1px solid rgba(193, 122, 71, .25);
}

.code-text h4 {
  font-size: .88rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .25rem;
}
.code-text p {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── CONTACT / INQUIRY FORM ── */
.contact {
  padding: var(--section-gap) 0;
  background: var(--bg-deep);
  position: relative;
}
.contact::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(193, 122, 71, .04) 0%, transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  padding-top: 1rem;
}

.contact-promise {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.promise-item {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.promise-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan-dim);
  display: grid;
  place-items: center;
  font-size: .9rem;
  flex-shrink: 0;
  border: var(--border-cyan);
}
.promise-text {
  font-size: .85rem;
  color: var(--text-body);
}
.promise-text strong {
  color: var(--text-primary);
  display: block;
  font-size: .82rem;
}

.contact-form-wrap {
  background: var(--bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
}
.contact-form-wrap::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-cedar), var(--accent-cyan));
}

.form-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .3rem;
}
.form-subtitle {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.15rem;
}
.form-group label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-body);
  margin-bottom: .4rem;
  letter-spacing: .04em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  background: var(--bg-input);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: .88rem;
  transition: all var(--transition-base);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-dim), var(--glow-sm);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.btn-submit {
  width: 100%;
  padding: .9rem;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-cedar), var(--accent-cedar-light));
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .03em;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(193, 122, 71, .35);
}
.btn-submit:active {
  transform: translateY(0);
}

.btn-submit .btn-loading {
  display: none;
  position: absolute;
  inset: 0;
  background: inherit;
  border-radius: inherit;
  align-items: center;
  justify-content: center;
}
.btn-submit.loading .btn-text { visibility: hidden; }
.btn-submit.loading .btn-loading { display: flex; }

.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, .3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-success {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
}
.form-success.show { display: block; }
.form-success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-cyan-dim);
  display: inline-grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  border: var(--border-cyan);
  box-shadow: var(--glow-md);
}
.form-success h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .4rem;
}
.form-success p {
  font-size: .88rem;
  color: var(--text-body);
}

/* ── FOOTER ── */
.site-footer {
  padding: 3rem 0 2rem;
  border-top: var(--border-subtle);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-size: .78rem;
  color: var(--text-muted);
}
.footer-copy a { color: var(--accent-cedar-light); }

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
.footer-links a {
  font-size: .78rem;
  color: var(--text-muted);
  transition: color var(--transition-base);
}
.footer-links a:hover { color: var(--text-primary); }

/* ── ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s var(--ease-out-expo), transform .7s var(--ease-out-expo);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: .05s; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: .15s; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: .25s; }

/* ── RESPONSIVE — Tablet ── */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .products-grid .product-card:last-child {
    grid-column: 1 / -1;
    max-width: 480px;
    margin-inline: auto;
  }

  .compliance-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ── RESPONSIVE — Mobile ── */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-deep);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    border-left: var(--border-subtle);
    transition: right .4s var(--ease-out-expo);
    z-index: 999;
  }
  .nav-links.open { right: 0; }

  .nav-toggle { display: flex; z-index: 1001; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero h1 {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.25rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }
  .products-grid .product-card:last-child {
    max-width: 100%;
  }

  .compliance-specs {
    grid-template-columns: repeat(3, 1fr);
    gap: .75rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary,
  .btn-secondary {
    justify-content: center;
    text-align: center;
  }

  .compliance-specs {
    grid-template-columns: 1fr;
  }
}