/* =====================================================
   D'Luxe Strands — Luxury Wigs Boutique
   styles.css
   ===================================================== */

/* ---------- Screen Reader Only (Accessibility) ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 1. Design Tokens ---------- */
:root {
  /* Brand palette */
  --obsidian: #0A0A0A;
  --charcoal: #1C1C1C;
  --gold: #C9A84C;
  --gold-soft: #d9bd6c;
  --burgundy: #7B2D42;
  --ivory: #F5F0E8;

  /* Semantic — defaults to dark theme */
  --bg: var(--obsidian);
  --surface: var(--charcoal);
  --surface-2: #242424;
  --text: var(--ivory);
  --muted: rgba(245, 240, 232, 0.62);
  --accent: var(--gold);
  --accent-hover: var(--gold-soft);
  --highlight: var(--burgundy);
  --border: rgba(245, 240, 232, 0.08);

  /* Type */
  --font-display: "Playfair Display", Georgia, serif;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* Radius & shadow */
  --radius: 4px;
  --shadow-lg: 0 30px 70px -20px rgba(0, 0, 0, 0.6);
  --shadow-gold: 0 14px 40px -10px rgba(201, 168, 76, 0.35);
}


/* ---------- 2. Base / Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; -moz-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  padding-top: 0;
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background 0.5s var(--ease), color 0.5s var(--ease), opacity 0.3s ease;
}
img { max-width: 100%; display: block; content-visibility: auto; }

/* Remove default browser tap/click highlight on mobile/touch devices */
* {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

/* Remove all default focus outlines */
*:focus {
  outline: none !important;
}

a { color: inherit; text-decoration: none; transition: color 0.3s var(--ease); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.35rem; }
em { color: var(--accent); font-style: italic; }

.container { width: 92%; max-width: 1240px; margin: 0 auto; }
.container.narrow { max-width: 820px; }

.eyebrow {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0 0 1.2rem;
  font-weight: 500;
}

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* ---------- 3. Announcement ---------- */
.announce {
  background: var(--burgundy);
  color: var(--ivory);
  text-align: center;
  font-size: 0.78rem;
  padding: 8px 16px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.announce i { margin-right: 8px; color: var(--gold); }

/* ---------- 4. Header ---------- */
.site-header {
  position: sticky; top: 0; left: 0; right: 0; z-index: 100;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
    -webkit-backdrop-filter: blur(18px);

  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.site-header.scrolled {
  background: color-mix(in oklab, var(--bg) 97%, transparent);
  box-shadow: 0 4px 30px rgba(0,0,0,0.25);
}
.header-inner { padding: 18px 5% 14px; position: relative; }
.header-top {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.02em;
  text-align: center;
  display: inline-flex; align-items: baseline; gap: 2px;
}
.brand-mark { color: var(--accent); font-style: italic; }
.brand-tagline {
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 4px 0 14px;
}

.icon-btn {
  width: 42px; height: 42px;
  display: inline-grid; place-items: center;
  border-radius: 50%;
  color: var(--text);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.icon-btn:hover { background: var(--surface-2); color: var(--accent); }
.hamburger { position: absolute; right: 0; display: none; flex-direction: column; gap: 4px; }
.hamburger span { width: 22px; height: 1.5px; background: var(--text); transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.hamburger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.primary-nav ul {
  display: flex; justify-content: center; gap: 36px; flex-wrap: wrap;
}
.nav-link {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.22em;
  color: var(--muted); position: relative; padding: 8px 0;
}
.nav-link:hover, .nav-link.active { color: var(--accent); }
.nav-link::after {
  content: ""; position: absolute; left: 50%; bottom: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width 0.4s var(--ease), left 0.4s var(--ease);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; left: 0; }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid; place-items: center;
  text-align: center;
  overflow: hidden;
  padding: 120px 5%;
}
/* Hero placeholder - solid color shown while image loads */
.hero-bg {
  position: absolute; inset: 0;
  background-color: var(--charcoal);
  background-image: url("./beauty-portrait-african-american-girls-beautiful-hair-beautiful-black-woman-cosmetics-makeup.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.55) saturate(1.1);
  transform: scale(1.05);
  animation: heroZoom 14s var(--ease) forwards, heroGlow 12s ease-in-out infinite alternate;
  /* Optimize rendering */
  will-change: transform, filter;
  content-visibility: auto;
}
/* Blur-up loading effect for hero */
.hero-bg.loading {
  filter: blur(20px) brightness(0.55);
}
.hero-bg.loaded {
  animation: heroZoom 14s var(--ease) forwards, heroGlow 12s ease-in-out infinite alternate, imageLoaded 0.8s var(--ease) forwards;
}
@keyframes imageLoaded {
  from { filter: blur(10px) brightness(0.55) saturate(1.1); }
  to { filter: brightness(0.55) saturate(1.1); }
}
@keyframes heroZoom { to { transform: scale(1); } }
@keyframes heroGlow { from { filter: brightness(0.52) saturate(1.05); } to { filter: brightness(0.62) saturate(1.18); } }
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(10,10,10,0.85) 100%),
              linear-gradient(180deg, rgba(10,10,10,0.4) 0%, rgba(10,10,10,0.7) 100%);
}
.hero-content { position: relative; max-width: 820px; color: var(--ivory); opacity: 0; transform: translateY(14px); animation: heroTextLift 1s ease 0.2s forwards; }
.hero h1 em { color: var(--gold); }
.hero .lead {
  font-size: 1.1rem; max-width: 580px; margin: 1.2rem auto 2.2rem;
  color: rgba(245,240,232,0.82);
}
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

@keyframes heroTextLift { to { opacity: 1; transform: translateY(0); } }

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 34px;
  font-size: 0.74rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 500;
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background 0.4s var(--ease), color 0.4s var(--ease);
}
.btn-gold { background: var(--gold); color: var(--obsidian); }
.btn-gold:hover { background: var(--gold-soft); box-shadow: var(--shadow-gold); transform: translateY(-2px); }
.btn-ghost { border: 1px solid rgba(245,240,232,0.4); color: var(--ivory); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn.full { width: 100%; }


/* ---------- 6. Marquee Ticker ---------- */
.marquee-section {
  background: linear-gradient(90deg, var(--obsidian) 0%, #1a1208 40%, #1a1208 60%, var(--obsidian) 100%);
  border-top: 1px solid rgba(201,168,76,0.25);
  border-bottom: 1px solid rgba(201,168,76,0.25);
  overflow: hidden;
  padding: 0;
  position: relative;
}
.marquee-section::before,
.marquee-section::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee-section::before {
  left: 0;
  background: linear-gradient(to right, var(--obsidian), transparent);
}
.marquee-section::after {
  right: 0;
  background: linear-gradient(to left, var(--obsidian), transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 38s linear infinite;
  padding: 18px 0;
}
.marquee-track:hover { animation-play-state: paused; }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 40px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.3s ease;
}
.marquee-item:hover { color: var(--gold); }
.marquee-item i {
  font-size: 0.5rem;
  color: var(--gold);
  opacity: 0.7;
}

/* ---------- 7. Sections ---------- */
.section { padding: clamp(80px, 12vw, 140px) 0; }
.section-alt { background: var(--surface); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 70px; }
.section-sub { color: var(--muted); font-size: 1.05rem; }

/* Grid layouts */
.grid { display: grid; gap: 32px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.4s var(--ease);
  will-change: transform;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(201,168,76,0.3); }
.card.pad { padding: 36px 30px; text-align: center; }

.product-card-link {
  display: block;
  overflow: hidden;
  position: relative;
}
.product-img-overlay {
  position: absolute; inset: 0;
  background: rgba(10,10,10,0.5);
  display: grid; place-items: center;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.product-img-overlay span {
  color: var(--ivory);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  border: 1px solid rgba(245,240,232,0.5);
  padding: 10px 22px;
  transform: translateY(8px);
  transition: transform 0.4s var(--ease);
}
.card.product:hover .product-img-overlay { opacity: 1; }
.card.product:hover .product-img-overlay span { transform: translateY(0); }

.product-img {
  height: 480px;
  background-size: cover; background-position: top;
  transition: transform 0.8s var(--ease), clip-path 0.8s var(--ease), filter 0.6s var(--ease);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  /* Placeholder background color while loading */
  background-color: var(--surface-2);
  /* Optimize rendering */
  will-change: transform, clip-path;
  content-visibility: auto;
  contain-intrinsic-size: auto 480px;
}

/* Blur-up loading effect for product images */
.product-img.loading {
  filter: blur(10px);
  background-color: var(--surface-2);
}
.product-img.loaded {
  filter: blur(0);
}

/* Product image backgrounds - loaded via CSS for performance */
.product-img-1 { background-image: url('./woman-with-long-hair-with-black-wig-that-says-hairline.png'); }
.product-img-2 { background-image: url('./deep-wave-lace-front-wig-alt.jpg'); }
.product-img-3 { background-image: url('./hd-wallpaper-background-digital-art.jpg'); }
.product-img-4 { background-image: url('./blond-woman-with-long-straight-hair-black-top-posing-picture.jpg'); }
.product-img-5 { background-image: url('./woman-with-black-hair-alt.jpg'); }
.product-img-6 { background-image: url('./long-straight-black-lace-front-wig.jpg'); }
.grid-3 article:nth-child(even) .product-img {
  clip-path: polygon(0 4%, 100% 0, 100% 100%, 0 92%);
}
.grid-3 article:nth-child(3) .product-img,
.grid-3 article:nth-child(6) .product-img {
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
}
.card.product:hover .product-img {
  transform: scale(1.06);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}
.card-body { padding: 24px 24px 28px; }
.card-body h3 { margin-bottom: 4px; }
.price-row { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; }
.price { font-family: var(--font-display); color: var(--accent); font-size: 1.15rem; }
.link-gold { color: var(--accent); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; }
.link-gold i { transition: transform 0.3s var(--ease); margin-left: 4px; }
.link-gold:hover i { transform: translateX(4px); }

.icon-circle {
  width: 64px; height: 64px; border-radius: 50%;
  display: grid; place-items: center; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--gold), var(--gold-soft));
  color: var(--obsidian); font-size: 1.3rem;
}

/* Split section */
.split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 70px; align-items: center;
}
.split.reverse .split-img { order: 2; }
.split-img img { 
  border-radius: var(--radius); 
  box-shadow: var(--shadow-lg);
  /* Lazy loading optimization */
  content-visibility: auto;
  contain-intrinsic-size: auto 500px;
}

#laptop-mockup{
           border-radius: 5px;
          
}



/* Blur-up effect for split images */
.split-img img.loading {
  filter: blur(10px);
  opacity: 0.7;
} 
.split-img img.loaded {
  filter: blur(0);
  opacity: 1;
  transition: filter 0.6s var(--ease), opacity 0.6s var(--ease);
}
.check-list { margin: 24px 0 32px; }
.check-list li { padding: 8px 0; display: flex; gap: 12px; align-items: center; color: var(--muted); }
.check-list i { color: var(--gold); }

.stats { display: flex; gap: 36px; margin-top: 30px; flex-wrap: wrap; }
.stats div { display: flex; flex-direction: column; }
.stats strong { font-family: var(--font-display); font-size: 2rem; color: var(--gold); display: inline-block; transition: transform 0.1s ease; }
.stats strong.counting { transform: scale(1.08); }
.stats span { font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }

/* ---------- 8. Carousel ---------- */
.carousel {
  position: relative; max-width: 780px; margin: 0 auto;
  overflow: hidden;
}
.carousel-track {
  display: flex; transition: transform 0.7s var(--ease);
}
.testimonial {
  min-width: 100%; padding: 50px 60px; text-align: center;
}
.quote-icon { color: var(--gold); font-size: 1.6rem; opacity: 0.6; margin-bottom: 18px; }
.testimonial p {
  font-family: var(--font-display); font-style: italic;
  font-size: 1.4rem; line-height: 1.55; margin-bottom: 22px;
}
.testimonial h4 { color: var(--gold); margin-bottom: 4px; }
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--surface-2); color: var(--text);
  display: grid; place-items: center;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.carousel-btn:hover { background: var(--gold); color: var(--obsidian); }
.prev { left: 0; } .next { right: 0; }
.carousel-dots { display: flex; justify-content: center; gap: 10px; margin-top: 18px; }
.carousel-dots button {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border); transition: background 0.3s var(--ease), width 0.3s var(--ease);
}
.carousel-dots button.active { background: var(--gold); width: 24px; border-radius: 4px; }

/* ---------- 9. FAQ ---------- */
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 18px 4px;
  transition: padding 0.3s var(--ease), background-color 0.3s var(--ease);
}
.faq details:hover {
  background-color: rgba(201, 168, 76, 0.03);
}
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-display); font-size: 1.15rem;
  transition: color 0.3s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover {
  color: var(--accent);
}
.faq summary i { color: var(--gold); transition: transform 0.4s var(--ease); }
.faq details[open] summary i { transform: rotate(45deg); }
.faq details p {
  margin-top: 14px;
  color: var(--muted);
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.4s var(--ease), max-height 0.5s var(--ease), margin-top 0.4s var(--ease);
}
.faq details[open] p {
  opacity: 1;
  max-height: 200px;
  margin-top: 14px;
}

/* ---------- 10. Contact ---------- */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block; font-size: 0.72rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px;
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  font-family: inherit; font-size: 0.95rem;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.field input, .field select, .field textarea {
  -webkit-text-fill-color: var(--text);
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; 
  border-color: var(--gold); 
  background: color-mix(in oklab, var(--surface-2) 92%, var(--gold)) !important;
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
  -webkit-text-fill-color: var(--text) !important;
}

/* Fix for Chrome autofill white background */
.field input:-webkit-autofill,
.field input:-webkit-autofill:hover,
.field input:-webkit-autofill:focus,
.field input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 30px var(--surface-2) inset !important;
  -webkit-text-fill-color: var(--text) !important;
  border-color: var(--gold);
  transition: background-color 5000s ease-in-out 0s;
}

/* Placeholder styling */
.field input::placeholder,
.field textarea::placeholder {
  color: var(--muted);
  opacity: 0.7;
  transition: opacity 0.3s var(--ease);
}

.field input:focus::placeholder,
.field textarea:focus::placeholder {
  opacity: 0.3;
}

.field textarea { resize: vertical; }
.error { color: #e36464; font-size: 0.78rem; margin-top: 6px; display: block; min-height: 1em; }
.form-success { color: var(--gold); margin-top: 14px; text-align: center; }

.info-card { text-align: left; margin-bottom: 20px; }
.info-card p { display: flex; gap: 12px; align-items: flex-start; margin: 12px 0; color: var(--muted); }
.info-card i { color: var(--gold); margin-top: 4px; }
.map-wrap {
  border-radius: var(--radius); overflow: hidden; height: 280px;
  border: 1px solid var(--border);
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.3) contrast(0.95); }

/* ---------- 11. Footer ---------- */
.site-footer {
  background: #050505;
  color: var(--ivory);
  padding: 90px 0 0;
  border-top: 1px solid var(--border);
  margin-top: 0;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 48px; padding-bottom: 60px;
}
.footer-grid h4 {
  font-family: var(--font-sans); font-size: 0.78rem;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(245,240,232,0.7); }
.footer-links a:hover { color: var(--gold); }
.brand-footer { font-size: 1.5rem; justify-content: flex-start; margin-bottom: 14px; }
address { font-style: normal; color: rgba(245,240,232,0.7); line-height: 1.9; }
.socials { display: flex; gap: 12px; margin-top: 18px; }
.socials a {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(245,240,232,0.18); color: rgba(245,240,232,0.75);
  transition: all 0.3s var(--ease);
}
.socials a:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

.newsletter {
  display: flex; margin-top: 14px;
  border: 1px solid rgba(245,240,232,0.18); border-radius: var(--radius);
  overflow: hidden;
}
.newsletter input {
  flex: 1; padding: 12px 14px; background: transparent;
  border: none; color: var(--ivory); font-family: inherit; font-size: 0.9rem;
}
.newsletter input::placeholder {
  color: var(--muted);
  opacity: 0.7;
}
.newsletter input:focus::placeholder {
  opacity: 0.4;
}
.newsletter input:focus { outline: none; }
.newsletter button {
  background: var(--gold); color: var(--obsidian);
  padding: 0 18px; transition: background 0.3s var(--ease);
}
.newsletter button:hover { background: var(--gold-soft); }

.footer-bottom {
  border-top: 1px solid rgba(245,240,232,0.08);
  padding: 22px 5%;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.78rem; color: rgba(245,240,232,0.55);
  flex-wrap: wrap; gap: 12px;
}

/* ---------- 12. Back to top ---------- */
.back-top {
  position: fixed; bottom: 28px; right: 28px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--gold); color: var(--obsidian);
  display: grid; place-items: center;
  box-shadow: var(--shadow-gold);
  opacity: 0; pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  z-index: 90;
}
.back-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-top:hover { background: var(--gold-soft); }

/* ---------- 13. Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 14. Responsive ---------- */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse .split-img { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .grid-3 { grid-template-columns: 1fr; }
  .hero { padding: 80px 5%; min-height: 90vh; }
  h1 { font-size: clamp(2rem, 9vw, 2.8rem); }
  h2 { font-size: clamp(1.6rem, 7vw, 2.2rem); }
  .btn { padding: 13px 22px; font-size: 0.68rem; }
  .card.pad { padding: 24px 18px; }
  .stats { gap: 20px; }
  .stats strong { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid { padding: 40px 0 30px; }
  .testimonial { padding: 30px 16px; }
  .testimonial p { font-size: 1rem; }
  .faq summary { font-size: 1rem; }
  .section-head { margin-bottom: 32px; }
  .announce { font-size: 0.65rem; padding: 6px 12px; }
  .marquee-item { padding: 0 20px; font-size: 0.65rem; }
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .primary-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--bg); border-top: 1px solid var(--border);
    padding: 22px 5%;
    z-index: 99;
    opacity: 0;
    transform: translateY(-10px);
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), max-height 0.4s var(--ease);
  }
  .primary-nav.open {
    opacity: 1;
    transform: translateY(0);
    max-height: 500px;
  }
  .primary-nav ul { flex-direction: column; gap: 20px; align-items: center; }
  .primary-nav .nav-link {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), color 0.3s var(--ease);
  }
  .primary-nav.open .nav-link {
    opacity: 1;
    transform: translateY(0);
  }
  .primary-nav.open .nav-link:nth-child(1) { transition-delay: 0.05s; }
  .primary-nav.open .nav-link:nth-child(2) { transition-delay: 0.1s; }
  .primary-nav.open .nav-link:nth-child(3) { transition-delay: 0.15s; }
  .primary-nav.open .nav-link:nth-child(4) { transition-delay: 0.2s; }
  .primary-nav.open .nav-link:nth-child(5) { transition-delay: 0.25s; }
  .primary-nav.open .nav-link:nth-child(6) { transition-delay: 0.3s; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .testimonial { padding: 40px 20px; }
  .testimonial p { font-size: 1.1rem; }
  .carousel-btn.prev { left: -6px; }
  .carousel-btn.next { right: -6px; }
  .hero { min-height: 80vh; }
  /* Remove clip-path on mobile — causes touch issues */
  .product-img,
  .grid-3 article:nth-child(even) .product-img,
  .grid-3 article:nth-child(3) .product-img,
  .grid-3 article:nth-child(6) .product-img,
  .card.product:hover .product-img { clip-path: none; }
}