/* =========================================================================
   EWasteCollector.com — style.css
   Mobile-first, vanilla CSS. Design tokens live in :root as CSS variables.
   Sections: Tokens → Reset → Layout primitives → Components → Pages →
             Animations → Responsive → Accessibility → Print
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. DESIGN TOKENS
   ------------------------------------------------------------------------- */
:root {
  /* Brand colors (spec) */
  --color-primary: #16a34a;
  --color-primary-rgb: 22, 163, 74;
  --color-secondary: #22c55e;
  --color-secondary-rgb: 34, 197, 94;
  --color-bg: #ffffff;
  --color-dark: #111827;
  --color-dark-rgb: 17, 24, 39;
  --color-gray: #6b7280;

  /* Derived surface / semantic tones */
  --color-bg-alt: #f6f9f7;
  --color-mint-50: #f0fdf4;
  --color-mint-100: #dcfce7;
  --color-border: rgba(17, 24, 39, 0.08);
  --color-danger: #dc2626;
  --color-warning: #f59e0b;
  --color-gray-light: #9ca3af;
  --color-white: #ffffff;

  /* Gradients (signature: "reclaimed circuit" gradient) */
  --grad-primary: linear-gradient(135deg, #16a34a 0%, #22c55e 55%, #4ade80 100%);
  --grad-dark: linear-gradient(160deg, #0c1712 0%, #111827 60%, #0a1f15 100%);
  --grad-glass: linear-gradient(135deg, rgba(255,255,255,0.55), rgba(255,255,255,0.15));

  /* Typography */
  --font-display: 'Space Grotesk', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;

  --fs-2xs: 0.6875rem;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 2.75rem;

  /* Spacing scale (4px base) */
  --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;

  /* Radii — "20px+" per brief */
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --radius-pill: 999px;

  /* Shadows — soft, layered */
  --shadow-sm: 0 2px 8px rgba(17, 24, 39, 0.06);
  --shadow-md: 0 8px 24px rgba(17, 24, 39, 0.08);
  --shadow-lg: 0 20px 48px rgba(17, 24, 39, 0.12);
  --shadow-glow: 0 12px 32px rgba(var(--color-primary-rgb), 0.28);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-blur: 18px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 160ms;
  --dur-base: 280ms;
  --dur-slow: 520ms;

  /* Layout */
  --header-h: 64px;
  --bottomnav-h: 72px;
  --max-w: 1180px;

  color-scheme: light;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.55;
  color: var(--color-dark);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-bottom: calc(var(--bottomnav-h) + env(safe-area-inset-bottom));
}

img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }

/* Focus visibility (a11y) */
:focus-visible {
  outline: 2.5px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  top: -60px; left: var(--sp-4);
  background: var(--color-dark);
  color: #fff;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus { top: var(--sp-4); }

/* -------------------------------------------------------------------------
   3. LAYOUT PRIMITIVES
   ------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

.section { padding-block: var(--sp-12); position: relative; }
.section-tight { padding-block: var(--sp-8); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-mint-100);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  margin-bottom: var(--sp-4);
}

.section-head { max-width: 640px; margin-bottom: var(--sp-8); }
.section-head h2 { font-size: var(--fs-3xl); margin-bottom: var(--sp-3); }
.section-head p { color: var(--color-gray); font-size: var(--fs-lg); }
.section-head.center { margin-inline: auto; text-align: center; }

/* -------------------------------------------------------------------------
   4. BUTTONS
   ------------------------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-weight: 600;
  font-size: var(--fs-base);
  padding: 15px 28px;
  border-radius: var(--radius-pill);
  transition: transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-base) var(--ease-out), background var(--dur-base);
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
}
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { box-shadow: 0 16px 40px rgba(var(--color-primary-rgb), 0.38); transform: translateY(-2px); }

.btn-dark {
  background: var(--color-dark);
  color: #fff;
}
.btn-dark:hover { background: #1f2937; transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--color-dark);
  border: 1.5px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-ghost {
  background: rgba(var(--color-dark-rgb), 0.04);
  color: var(--color-dark);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(37, 211, 102, 0.35); }

.btn-block { width: 100%; }
.btn-lg { padding: 18px 32px; font-size: var(--fs-lg); }
.btn-sm { padding: 10px 18px; font-size: var(--fs-sm); }

/* Ripple micro-interaction */
.ripple { position: absolute; border-radius: 50%; transform: scale(0); animation: ripple-anim 600ms var(--ease-out); background: rgba(255,255,255,0.55); pointer-events: none; }
@keyframes ripple-anim { to { transform: scale(3.2); opacity: 0; } }

/* -------------------------------------------------------------------------
   5. TOP HEADER
   ------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

/* Desktop nav is hidden by default; only shown at the ≥900px breakpoint
   (see section 20, RESPONSIVE) alongside the bottom-nav's display:none swap.
   Without this rule the <a> links render inline on mobile and overlap the hero. */
.nav-desktop { display: none; }

.brand { display: flex; align-items: center; gap: var(--sp-2); font-family: var(--font-display); font-weight: 700; font-size: var(--fs-lg); }
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--grad-primary);
  display: grid; place-items: center;
  box-shadow: var(--shadow-glow);
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-name span { color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: var(--sp-3); }
/* On narrow phones the bottom nav already has a Book Pickup tab, so the header
   button is redundant and crowds the brand — show it from the tablet breakpoint up. */
.header-actions .btn-primary { display: none; }
.icon-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius-pill);
  display: grid; place-items: center;
  background: rgba(var(--color-dark-rgb), 0.05);
  transition: background var(--dur-fast);
}
.icon-btn:hover { background: rgba(var(--color-dark-rgb), 0.1); }
.icon-btn svg { width: 20px; height: 20px; }

/* -------------------------------------------------------------------------
   6. HERO
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: var(--sp-12);
  padding-bottom: var(--sp-10);
  overflow: hidden;
  background: var(--color-bg-alt);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  z-index: 0;
  animation: blob-float 14s ease-in-out infinite;
}
.blob-a { width: 320px; height: 320px; background: var(--color-secondary); top: -80px; left: -100px; animation-delay: 0s; }
.blob-b { width: 260px; height: 260px; background: var(--color-primary); bottom: -60px; right: -80px; animation-delay: -5s; }
.blob-c { width: 180px; height: 180px; background: #86efac; top: 40%; left: 60%; animation-delay: -9s; opacity: 0.4; }

@keyframes blob-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(24px, -30px) scale(1.08); }
  66% { transform: translate(-20px, 20px) scale(0.94); }
}

.particles { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.particle {
  position: absolute;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: rgba(var(--color-primary-rgb), 0.4);
  animation: particle-drift linear infinite;
}
@keyframes particle-drift {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-420px) translateX(20px); opacity: 0; }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-10);
}

.hero-copy h1 {
  font-size: var(--fs-4xl);
  margin-bottom: var(--sp-4);
}
.hero-copy h1 .highlight {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy p {
  font-size: var(--fs-lg);
  color: var(--color-gray);
  max-width: 46ch;
  margin-bottom: var(--sp-6);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-bottom: var(--sp-8); }

.hero-trust { display: flex; align-items: center; gap: var(--sp-4); flex-wrap: wrap; }
.trust-avatars { display: flex; }
.trust-avatars span {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--grad-primary);
  border: 2px solid #fff;
  margin-left: -10px;
  display: grid; place-items: center;
  font-size: var(--fs-2xs);
  color: #fff; font-weight: 700;
}
.trust-avatars span:first-child { margin-left: 0; }
.hero-trust small { color: var(--color-gray); font-size: var(--fs-sm); }

/* Hero illustration — signature element: circular "device to recycled" loop */
.hero-illustration {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 420px;
  margin-inline: auto;
}
.orbit-ring {
  position: absolute; inset: 0;
  border: 1.5px dashed rgba(var(--color-primary-rgb), 0.3);
  border-radius: 50%;
  animation: spin 40s linear infinite;
}
.orbit-ring.ring-2 { inset: 14%; animation-duration: 30s; animation-direction: reverse; border-color: rgba(var(--color-primary-rgb), 0.18); }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-card-glass {
  position: absolute;
  inset: 20%;
  border-radius: 50%;
  background: var(--grad-glass);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  display: grid;
  place-items: center;
  animation: float-y 5s ease-in-out infinite;
}
.hero-card-glass svg { width: 55%; height: 55%; }
@keyframes float-y { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

.orbit-node {
  position: absolute;
  width: 54px; height: 54px;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-md);
  display: grid;
  place-items: center;
  animation: float-y 4s ease-in-out infinite;
}
.orbit-node svg { width: 26px; height: 26px; color: var(--color-primary); }
.node-1 { top: -4%; left: 46%; animation-delay: -0.5s; }
.node-2 { top: 46%; right: -6%; animation-delay: -1.5s; }
.node-3 { bottom: -2%; left: 20%; animation-delay: -2.5s; }
.node-4 { top: 30%; left: -6%; animation-delay: -3.2s; }

/* -------------------------------------------------------------------------
   7. STATS STRIP
   ------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}
.stat-card {
  background: var(--color-dark);
  background-image: var(--grad-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--sp-6) var(--sp-5);
  text-align: center;
  box-shadow: var(--shadow-md);
}
.stat-num {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-secondary);
  display: block;
}
.stat-label { font-size: var(--fs-sm); color: rgba(255,255,255,0.7); margin-top: var(--sp-1); }

/* -------------------------------------------------------------------------
   8. CARD GRIDS — Services / Features / Collections
   ------------------------------------------------------------------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-5);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-spring), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base);
}
.card:hover, .card:focus-within {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--color-primary-rgb), 0.25);
}

.card-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-mint-100);
  display: grid; place-items: center;
  margin-bottom: var(--sp-4);
  transition: background var(--dur-base), transform var(--dur-base) var(--ease-spring);
}
.card:hover .card-icon { background: var(--grad-primary); transform: rotate(-6deg) scale(1.08); }
.card-icon svg { width: 26px; height: 26px; color: var(--color-primary); transition: color var(--dur-base); }
.card:hover .card-icon svg { color: #fff; }

.card h3 { font-size: var(--fs-lg); margin-bottom: var(--sp-2); }
.card p { color: var(--color-gray); font-size: var(--fs-sm); }

/* Features — glass style */
.feature-card {
  background: var(--grad-glass);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--sp-5);
  box-shadow: var(--shadow-sm);
  text-align: left;
}
.features-section { background: var(--color-mint-50); }

/* Collections cards (richer, with image swatch) */
.collection-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-spring), box-shadow var(--dur-base);
  display: flex;
  flex-direction: column;
}
.collection-card:hover { transform: translateY(-6px) scale(1.015); box-shadow: var(--shadow-lg); }
.collection-media {
  aspect-ratio: 4 / 3;
  background: var(--grad-primary);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.collection-media svg { width: 46%; height: 46%; color: #fff; opacity: 0.95; transition: transform var(--dur-slow) var(--ease-spring); }
.collection-card:hover .collection-media svg { transform: scale(1.15) rotate(4deg); }
.collection-body { padding: var(--sp-4); flex: 1; display: flex; flex-direction: column; gap: var(--sp-2); }
.collection-body h3 { font-size: var(--fs-base); }
.collection-body p { color: var(--color-gray); font-size: var(--fs-xs); flex: 1; }
.collection-tag {
  align-self: flex-start;
  font-size: var(--fs-2xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: var(--color-mint-100);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.collections-filter {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  padding-bottom: var(--sp-2);
  margin-bottom: var(--sp-6);
  scrollbar-width: none;
}
.collections-filter::-webkit-scrollbar { display: none; }
.filter-chip {
  flex: none;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  font-weight: 600;
  background: rgba(var(--color-dark-rgb), 0.05);
  color: var(--color-gray);
  transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast);
}
.filter-chip:hover { transform: translateY(-2px); }
.filter-chip.active { background: var(--grad-primary); color: #fff; box-shadow: var(--shadow-glow); }

/* -------------------------------------------------------------------------
   9. TESTIMONIALS
   ------------------------------------------------------------------------- */
.testimonial-track {
  display: flex;
  gap: var(--sp-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--sp-4);
  scrollbar-width: none;
}
.testimonial-track::-webkit-scrollbar { display: none; }
.testimonial-card {
  scroll-snap-align: start;
  flex: 0 0 82%;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
}
.stars { display: flex; gap: 2px; margin-bottom: var(--sp-3); color: #f59e0b; }
.stars svg { width: 16px; height: 16px; }
.testimonial-quote { font-size: var(--fs-base); color: var(--color-dark); margin-bottom: var(--sp-5); }
.testimonial-person { display: flex; align-items: center; gap: var(--sp-3); }
.avatar-badge {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700;
  font-size: var(--fs-sm);
}
.testimonial-person strong { display: block; font-size: var(--fs-sm); }
.testimonial-person span { color: var(--color-gray); font-size: var(--fs-xs); }

/* -------------------------------------------------------------------------
   10. FAQ (accordion)
   ------------------------------------------------------------------------- */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-3);
  overflow: hidden;
  background: #fff;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5);
  font-weight: 600;
  text-align: left;
}
.faq-question .plus { transition: transform var(--dur-base) var(--ease-spring); flex: none; margin-left: var(--sp-3); color: var(--color-primary); }
.faq-item[open] .faq-question .plus { transform: rotate(135deg); }
.faq-answer-wrap { padding: 0 var(--sp-5) var(--sp-5); color: var(--color-gray); font-size: var(--fs-sm); }
.faq-item > summary { list-style: none; cursor: pointer; }
.faq-item > summary::-webkit-details-marker { display: none; }

/* -------------------------------------------------------------------------
   11. CTA BANNER
   ------------------------------------------------------------------------- */
.cta-banner {
  border-radius: var(--radius-xl);
  background: var(--grad-dark);
  color: #fff;
  padding: var(--sp-10) var(--sp-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: var(--color-primary);
  filter: blur(80px);
  opacity: 0.5;
  top: -100px; right: -60px;
  border-radius: 50%;
}
.cta-banner h2 { font-size: var(--fs-2xl); margin-bottom: var(--sp-3); position: relative; }
.cta-banner p { color: rgba(255,255,255,0.75); margin-bottom: var(--sp-6); position: relative; max-width: 50ch; margin-inline: auto; }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: center; position: relative; }

/* -------------------------------------------------------------------------
   12. FORMS — Book Pickup
   ------------------------------------------------------------------------- */
.form-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-md);
}
.form-progress { display: flex; gap: var(--sp-2); margin-bottom: var(--sp-6); }
.form-progress span { flex: 1; height: 4px; border-radius: var(--radius-pill); background: var(--color-border); overflow: hidden; }
.form-progress span::after { content: ''; display: block; height: 100%; width: 0; background: var(--grad-primary); transition: width var(--dur-slow) var(--ease-out); }
.form-progress span.filled::after { width: 100%; }

.field-group { margin-bottom: var(--sp-5); position: relative; }
.field-row { display: grid; grid-template-columns: 1fr; gap: var(--sp-5); }
.field-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--sp-2);
  color: var(--color-dark);
}
.field-group .req { color: var(--color-danger); }
.field-group input,
.field-group select,
.field-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  font-size: var(--fs-base);
  transition: border-color var(--dur-fast), background var(--dur-fast), box-shadow var(--dur-fast);
}
.field-group textarea { resize: vertical; min-height: 96px; }
.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.12);
}
.field-group input.invalid,
.field-group select.invalid,
.field-group textarea.invalid { border-color: var(--color-danger); background: #fef2f2; }
.field-error {
  display: none;
  color: var(--color-danger);
  font-size: var(--fs-xs);
  margin-top: var(--sp-1);
  align-items: center;
  gap: 4px;
}
.field-error.show { display: flex; }

.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-8) var(--sp-5);
  text-align: center;
  background: var(--color-bg-alt);
  transition: border-color var(--dur-fast), background var(--dur-fast);
  cursor: pointer;
}
.upload-zone.dragover { border-color: var(--color-primary); background: var(--color-mint-50); }
.upload-zone svg { width: 40px; height: 40px; margin-inline: auto; color: var(--color-primary); margin-bottom: var(--sp-3); }
.upload-zone p { color: var(--color-gray); font-size: var(--fs-sm); }
.upload-zone strong { color: var(--color-primary); }

.upload-previews { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-4); }
.upload-thumb {
  position: relative;
  width: 72px; height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.upload-thumb img { width: 100%; height: 100%; object-fit: cover; }
.upload-thumb button {
  position: absolute; top: 2px; right: 2px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(17,24,39,0.7);
  color: #fff;
  display: grid; place-items: center;
  font-size: 12px;
}

.form-actions { display: flex; flex-direction: column; gap: var(--sp-3); margin-top: var(--sp-6); }

.form-success {
  display: none;
  text-align: center;
  padding: var(--sp-10) var(--sp-5);
}
.form-success.show { display: block; animation: pop-in var(--dur-slow) var(--ease-spring); }
.form-success .success-icon {
  width: 84px; height: 84px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: grid; place-items: center;
  margin-inline: auto;
  margin-bottom: var(--sp-5);
  box-shadow: var(--shadow-glow);
}
.form-success .success-icon svg { width: 42px; height: 42px; color: #fff; }
.form-success h3 { font-size: var(--fs-2xl); margin-bottom: var(--sp-2); }
.form-success p { color: var(--color-gray); }

/* -------------------------------------------------------------------------
   13. CONTACT
   ------------------------------------------------------------------------- */
.contact-grid { display: grid; gap: var(--sp-4); }
.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-5);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-spring);
}
.contact-card:hover { transform: translateY(-4px); }
.contact-card .card-icon { margin-bottom: 0; flex: none; }
.contact-card h3 { font-size: var(--fs-base); margin-bottom: var(--sp-1); }
.contact-card p, .contact-card a { color: var(--color-gray); font-size: var(--fs-sm); display: block; }
.contact-card a:hover { color: var(--color-primary); }

.hours-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.hours-table tr { border-bottom: 1px solid var(--color-border); }
.hours-table tr:last-child { border-bottom: none; }
.hours-table td { padding: var(--sp-3) 0; }
.hours-table td:last-child { text-align: right; color: var(--color-gray); }
.hours-table tr.today td { color: var(--color-primary); font-weight: 700; }

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16/10;
  box-shadow: var(--shadow-sm);
}
.map-embed iframe { width: 100%; height: 100%; border: 0; }

.social-row { display: flex; gap: var(--sp-3); }
.social-row a {
  width: 46px; height: 46px;
  border-radius: var(--radius-pill);
  background: var(--color-mint-100);
  color: var(--color-primary);
  display: grid; place-items: center;
  transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast);
}
.social-row a:hover { background: var(--grad-primary); color: #fff; transform: translateY(-3px); }
.social-row svg { width: 20px; height: 20px; }

.quick-contact-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

/* -------------------------------------------------------------------------
   14. BOTTOM NAVIGATION (sticky, app-like)
   ------------------------------------------------------------------------- */
.bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 200;
  height: calc(var(--bottomnav-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-top: 1px solid var(--color-border);
  display: flex;
  box-shadow: 0 -8px 24px rgba(17,24,39,0.06);
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  position: relative;
  color: var(--color-gray);
  font-size: var(--fs-2xs);
  font-weight: 600;
  transition: color var(--dur-base);
}
.nav-item svg { width: 23px; height: 23px; transition: transform var(--dur-base) var(--ease-spring); }
.nav-item .nav-indicator {
  position: absolute;
  top: 2px;
  width: 28px; height: 3px;
  border-radius: var(--radius-pill);
  background: var(--grad-primary);
  transform: scaleX(0);
  transition: transform var(--dur-base) var(--ease-spring);
}
.nav-item.active { color: var(--color-primary); }
.nav-item.active svg { transform: translateY(-2px) scale(1.08); }
.nav-item.active .nav-indicator { transform: scaleX(1); }
.nav-item:active svg { transform: scale(0.88); }

/* -------------------------------------------------------------------------
   15. FLOATING BUTTONS
   ------------------------------------------------------------------------- */
.floating-buttons {
  position: fixed;
  right: var(--sp-4);
  bottom: calc(var(--bottomnav-h) + env(safe-area-inset-bottom) + var(--sp-4));
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.fab {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--dur-fast) var(--ease-spring);
  position: relative;
}
.fab svg { width: 26px; height: 26px; }
.fab:active { transform: scale(0.9); }
.fab-whatsapp { background: #25d366; color: #fff; }
.fab-call { background: var(--grad-primary); color: #fff; }
.fab::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0.5;
  animation: pulse-ring 2.4s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* -------------------------------------------------------------------------
   16. INSTALL PROMPT / TOAST / SPLASH
   ------------------------------------------------------------------------- */
.install-banner {
  position: fixed;
  left: var(--sp-4); right: var(--sp-4);
  bottom: calc(var(--bottomnav-h) + env(safe-area-inset-bottom) + var(--sp-4));
  z-index: 300;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  transform: translateY(140%);
  transition: transform var(--dur-slow) var(--ease-spring);
}
.install-banner.show { transform: translateY(0); }
.install-banner .brand-mark { flex: none; }
.install-banner-text { flex: 1; }
.install-banner-text strong { display: block; font-size: var(--fs-sm); }
.install-banner-text span { color: var(--color-gray); font-size: var(--fs-xs); }
.install-banner-actions { display: flex; gap: var(--sp-2); flex-direction: column; }

.toast {
  position: fixed;
  top: calc(var(--header-h) + var(--sp-3));
  left: 50%;
  transform: translate(-50%, -20px);
  background: var(--color-dark);
  color: #fff;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  font-weight: 600;
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transition: transform var(--dur-base) var(--ease-spring), opacity var(--dur-base);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.toast svg { width: 18px; height: 18px; color: var(--color-secondary); flex: none; }

.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--grad-dark);
  display: grid;
  place-items: center;
  transition: opacity var(--dur-slow) var(--ease-out), visibility var(--dur-slow);
}
.splash-screen.hide { opacity: 0; visibility: hidden; }
.splash-logo {
  width: 88px; height: 88px;
  border-radius: 26px;
  background: var(--grad-primary);
  display: grid; place-items: center;
  animation: splash-pulse 1.4s ease-in-out infinite;
  box-shadow: var(--shadow-glow);
}
.splash-logo svg { width: 46px; height: 46px; color: #fff; }
@keyframes splash-pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }
.splash-screen p { color: rgba(255,255,255,0.6); margin-top: var(--sp-5); font-size: var(--fs-sm); letter-spacing: 0.04em; text-align: center; }

/* -------------------------------------------------------------------------
   17. FOOTER
   ------------------------------------------------------------------------- */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding-block: var(--sp-10);
  margin-top: var(--sp-10);
}
.footer-grid { display: grid; gap: var(--sp-8); }
.footer-brand p { margin-top: var(--sp-3); font-size: var(--fs-sm); max-width: 40ch; }
.footer-col h4 { color: #fff; font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--sp-4); }
.footer-col ul li { margin-bottom: var(--sp-2); font-size: var(--fs-sm); }
.footer-col a:hover { color: var(--color-secondary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--sp-8);
  padding-top: var(--sp-5);
  font-size: var(--fs-xs);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  justify-content: space-between;
}

/* -------------------------------------------------------------------------
   18. PAGE / TAB TRANSITIONS
   ------------------------------------------------------------------------- */
.page {
  display: none;
}
.page.active {
  display: block;
  animation: page-in var(--dur-slow) var(--ease-out);
}
@keyframes page-in {
  from { opacity: 0; transform: translateY(14px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* -------------------------------------------------------------------------
   19. SCROLL REVEAL (Intersection Observer driven)
   ------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: opacity var(--dur-slow) var(--ease-spring), transform var(--dur-slow) var(--ease-spring); }
.reveal-scale.in-view { opacity: 1; transform: scale(1); }

.stagger > * { transition-delay: calc(var(--i, 0) * 70ms); }

/* Loading spinner */
.spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  animation: spin-fast 0.7s linear infinite;
  display: none;
}
@keyframes spin-fast { to { transform: rotate(360deg); } }
.btn.is-loading .btn-label { visibility: hidden; }
.btn.is-loading .spinner { display: block; position: absolute; }

/* -------------------------------------------------------------------------
   20. RESPONSIVE — Tablet & Desktop
   ------------------------------------------------------------------------- */
@media (min-width: 640px) {
  .header-actions .btn-primary { display: inline-flex; }
  .grid { grid-template-columns: repeat(3, 1fr); }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .field-row { grid-template-columns: 1fr 1fr; }
  .testimonial-card { flex-basis: 46%; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  :root { --header-h: 76px; }
  .bottom-nav { display: none; }
  body { padding-bottom: 0; }
  .floating-buttons { bottom: var(--sp-6); }

  .header-inner .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
  }
  .nav-desktop a {
    font-weight: 600;
    font-size: var(--fs-sm);
    color: var(--color-gray);
    position: relative;
    padding-block: var(--sp-2);
    transition: color var(--dur-fast);
  }
  .nav-desktop a.active, .nav-desktop a:hover { color: var(--color-dark); }
  .nav-desktop a.active::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -2px;
    height: 2px;
    background: var(--grad-primary);
    border-radius: var(--radius-pill);
  }

  .hero-inner { grid-template-columns: 1.1fr 0.9fr; align-items: center; }
  .hero-copy h1 { font-size: var(--fs-4xl); }
  .grid { grid-template-columns: repeat(3, 1fr); }
  .collections-grid { grid-template-columns: repeat(4, 1fr); }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .section { padding-block: var(--sp-16); }
  .form-card { padding: var(--sp-10); }
  .contact-grid { grid-template-columns: 1.1fr 0.9fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .quick-contact-bar { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1180px) {
  .hero-copy h1 { font-size: 3.2rem; }
}

/* -------------------------------------------------------------------------
   21. ACCESSIBILITY & MOTION PREFERENCES
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print */
@media print {
  .bottom-nav, .floating-buttons, .header, .install-banner, .toast { display: none !important; }
}