/* ===================================================
   KENHAO — Official Website Stylesheet
   =================================================== */

/* --- Custom Properties --- */
:root {
  --clr-bg: #ffffff;
  --clr-bg-alt: #f0f8fd;
  --clr-bg-section: #ebf6fd;
  --clr-navy: #0a1628;
  --clr-navy-light: #162035;
  --clr-cyan: #17b5e8;
  --clr-cyan-dark: #0da0d0;
  --clr-cyan-light: #e8f7fc;
  --clr-text: #1a2b3c;
  --clr-text-muted: #5a7080;
  --clr-footer-bg: #0a1628;
  --clr-footer-text: rgba(255, 255, 255, 0.7);
  --clr-white: #ffffff;
  --clr-border: #ddeef5;

  --font: 'Inter', system-ui, -apple-system, sans-serif;

  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-5: 40px;
  --sp-6: 48px;
  --sp-8: 64px;
  --sp-10: 80px;
  --sp-12: 96px;

  --container: 1200px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(23, 181, 232, 0.10);
  --shadow-card: 0 2px 16px rgba(10, 22, 40, 0.08);
  --transition: 0.25s ease;
  --nav-h: 72px;
}

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

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

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--clr-text);
  background: var(--clr-bg);
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }

button, input, textarea, select {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

button { cursor: pointer; }

/* --- Typography --- */
h1, h2, h3, h4 {
  color: var(--clr-navy);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

p { max-width: 70ch; }

/* --- Container --- */
.container {
  width: min(var(--container), 100% - var(--sp-4));
  margin-inline: auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  min-height: 44px;
  min-width: 44px;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-cyan);
  color: var(--clr-white);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--clr-cyan-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(23, 181, 232, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--clr-cyan);
  border: 2px solid var(--clr-cyan);
}

.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--clr-cyan);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.btn-check-price {
  background: var(--clr-cyan);
  color: var(--clr-white);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  min-height: 44px;
}

.btn-check-price:hover, .btn-check-price:focus-visible {
  background: var(--clr-cyan-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(23, 181, 232, 0.35);
}

/* ====================================================
   NAVIGATION
   ==================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(10, 22, 40, 0.10);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-navy);
  letter-spacing: -0.03em;
}

.nav-logo span { color: var(--clr-cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--clr-text);
  padding: 8px 4px;
  position: relative;
  transition: color var(--transition);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 0; right: 0;
  height: 2px;
  background: var(--clr-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

.nav-links a.active::after,
.nav-links a:hover::after {
  transform: scaleX(1);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1100;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-navy);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile nav open state */
.nav-open .nav-hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-open .nav-hamburger span:nth-child(2) { opacity: 0; }
.nav-open .nav-hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 40, 0.5);
  z-index: 900;
}

/* ====================================================
   HERO
   ==================================================== */
.hero {
  padding-top: calc(var(--nav-h) + var(--sp-10));
  padding-bottom: var(--sp-12);
  background: linear-gradient(145deg, #f0f8fd 0%, #ffffff 50%, #ebf6fd 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(23, 181, 232, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: center;
}

.hero-content { max-width: 560px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  background: var(--clr-cyan-light);
  color: var(--clr-cyan-dark);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.hero h1 {
  margin-bottom: var(--sp-3);
}

.hero h1 em {
  font-style: normal;
  color: var(--clr-cyan);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-5);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-image img {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 60px rgba(23, 181, 232, 0.2));
}

/* ====================================================
   MARQUEE
   ==================================================== */
.marquee-strip {
  background: var(--clr-navy);
  color: rgba(255,255,255,0.9);
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
}

.marquee-track {
  display: inline-flex;
  animation: marquee 28s linear infinite;
  gap: 0;
}

.marquee-track span {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0 24px;
  color: rgba(255,255,255,0.85);
}

.marquee-track span.dot {
  color: var(--clr-cyan);
  padding: 0 4px;
  font-size: 1rem;
}

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

/* ====================================================
   SECTION COMMON
   ==================================================== */
.section {
  padding: var(--sp-12) 0;
}

.section-alt {
  background: var(--clr-bg-section);
}

.section-alt2 {
  background: var(--clr-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--sp-8);
}

.section-header .eyebrow {
  display: inline-block;
  color: var(--clr-cyan);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}

.section-header h2 { margin-bottom: var(--sp-2); }

.section-header p {
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  margin: 0 auto;
}

/* ====================================================
   PRODUCTS GRID
   ==================================================== */
.products-grid-section { background: var(--clr-bg); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-4);
}

.product-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(23, 181, 232, 0.15);
}

.product-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--clr-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-3);
  overflow: hidden;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-card-body {
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--sp-2);
}

.product-card-category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-cyan);
}

.product-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-navy);
  line-height: 1.4;
  flex: 1;
}

.product-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-chip {
  background: var(--clr-cyan-light);
  color: var(--clr-cyan-dark);
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ====================================================
   BENEFITS
   ==================================================== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-4);
}

.benefit-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  border: 1px solid var(--clr-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.benefit-icon {
  width: 56px; height: 56px;
  background: var(--clr-cyan-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-icon svg { color: var(--clr-cyan); }

.benefit-card h3 { font-size: 1.1rem; }

.benefit-card p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
  max-width: 100%;
}

/* ====================================================
   STATS
   ==================================================== */
.stats-section {
  background: var(--clr-navy);
  padding: var(--sp-10) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-6);
  text-align: center;
}

.stat-item { color: var(--clr-white); }

.stat-number {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--clr-cyan);
  line-height: 1;
  margin-bottom: var(--sp-1);
  display: block;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--clr-footer-text);
  font-weight: 500;
}

/* ====================================================
   REVIEWS
   ==================================================== */
.reviews-grid {
  columns: 3;
  column-gap: var(--sp-4);
}

.review-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  border: 1px solid var(--clr-border);
  break-inside: avoid;
  margin-bottom: var(--sp-4);
  transition: transform var(--transition), box-shadow var(--transition);
  display: block;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.review-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}

.review-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--clr-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-white);
  flex-shrink: 0;
}

.review-author { font-weight: 700; font-size: 0.9rem; color: var(--clr-navy); }
.review-location { font-size: 0.78rem; color: var(--clr-text-muted); }

.review-verified {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: #22c55e;
  font-weight: 600;
}

.review-text {
  font-size: 0.9rem;
  color: var(--clr-text);
  line-height: 1.7;
}

.review-product {
  margin-top: var(--sp-2);
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  font-style: italic;
}

/* ====================================================
   CTA BANNER
   ==================================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--clr-navy) 0%, var(--clr-navy-light) 100%);
  padding: var(--sp-12) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(23, 181, 232, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 { color: var(--clr-white); margin-bottom: var(--sp-2); }
.cta-banner p { color: var(--clr-footer-text); margin: 0 auto var(--sp-5); font-size: 1.1rem; }

/* ====================================================
   FOOTER
   ==================================================== */
.footer {
  background: var(--clr-footer-bg);
  color: var(--clr-footer-text);
  padding: var(--sp-10) 0 var(--sp-4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--sp-6);
  margin-bottom: var(--sp-8);
}

.footer-brand .nav-logo {
  margin-bottom: var(--sp-2);
  color: var(--clr-white);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--clr-white);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
  font-size: 0.88rem;
  transition: color var(--transition);
  display: inline-block;
  min-height: 24px;
}

.footer-col a:hover { color: var(--clr-cyan); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-1);
  font-size: 0.88rem;
  margin-bottom: 10px;
  line-height: 1.5;
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--clr-cyan);
}

.footer-hours {
  font-size: 0.85rem;
  margin-top: var(--sp-2);
  color: rgba(255,255,255,0.55);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a { transition: color var(--transition); }
.footer-bottom a:hover { color: var(--clr-cyan); }

/* ====================================================
   ABOUT PAGE
   ==================================================== */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--sp-10));
  padding-bottom: var(--sp-10);
  background: linear-gradient(145deg, #f0f8fd 0%, #fff 60%, #ebf6fd 100%);
  text-align: center;
}

.page-hero .eyebrow {
  display: inline-block;
  color: var(--clr-cyan);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}

.page-hero h1 { margin-bottom: var(--sp-3); }
.page-hero p { color: var(--clr-text-muted); font-size: 1.15rem; margin: 0 auto; max-width: 560px; }

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: center;
}

.story-content h2 { margin-bottom: var(--sp-3); }
.story-content p { color: var(--clr-text-muted); margin-bottom: var(--sp-3); line-height: 1.8; }

.story-visual {
  background: linear-gradient(135deg, var(--clr-cyan-light) 0%, var(--clr-bg-section) 100%);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
}

.mission-block {
  background: var(--clr-navy);
  padding: var(--sp-12) 0;
  text-align: center;
}

.mission-block h2 { color: var(--clr-white); margin-bottom: var(--sp-3); }
.mission-statement {
  font-size: 1.3rem;
  font-style: italic;
  color: var(--clr-footer-text);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
}
.mission-statement::before {
  content: '"';
  font-size: 5rem;
  color: var(--clr-cyan);
  opacity: 0.3;
  position: absolute;
  top: -20px; left: -16px;
  line-height: 1;
  font-family: Georgia, serif;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-4);
}

.value-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  text-align: center;
  border: 1px solid var(--clr-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.value-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--clr-cyan-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-3);
}

.value-icon svg { color: var(--clr-cyan); }
.value-card h3 { margin-bottom: var(--sp-1); }
.value-card p { font-size: 0.9rem; color: var(--clr-text-muted); margin: 0 auto; }

.promises-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}

.promise-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-2);
  padding: var(--sp-5);
  border-radius: var(--radius-lg);
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.promise-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }

.promise-num {
  width: 48px; height: 48px;
  background: var(--clr-cyan);
  color: var(--clr-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.promise-item h3 { font-size: 1rem; }
.promise-item p { font-size: 0.88rem; color: var(--clr-text-muted); max-width: 100%; }

/* ====================================================
   PRODUCTS PAGE
   ==================================================== */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-bottom: var(--sp-8);
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--clr-border);
  color: var(--clr-text-muted);
  background: var(--clr-white);
  transition: var(--transition);
  cursor: pointer;
  min-height: 44px;
}

.filter-btn.active,
.filter-btn:hover {
  border-color: var(--clr-cyan);
  color: var(--clr-cyan);
  background: var(--clr-cyan-light);
}

.products-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--sp-6);
}

.product-detail-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-detail-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(23, 181, 232, 0.15);
}

.product-detail-card.hidden {
  display: none;
}

.product-detail-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--clr-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
}

.product-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-detail-body {
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}

.product-category-tag {
  display: inline-flex;
  align-items: center;
  background: var(--clr-cyan-light);
  color: var(--clr-cyan-dark);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  width: fit-content;
}

.product-detail-card h2 {
  font-size: 1.1rem;
  color: var(--clr-navy);
  line-height: 1.4;
}

.product-bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.product-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

.product-bullets li::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-cyan);
  flex-shrink: 0;
  margin-top: 6px;
}

/* ====================================================
   CONTACT PAGE
   ==================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-8);
  align-items: start;
}

.contact-info h2 { margin-bottom: var(--sp-5); }

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.contact-info-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: var(--clr-cyan-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-cyan);
}

.contact-info-text strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-text-muted);
  margin-bottom: 4px;
}

.contact-info-text span, .contact-info-text a {
  font-size: 0.95rem;
  color: var(--clr-navy);
  line-height: 1.6;
  display: block;
}

.contact-info-text a:hover { color: var(--clr-cyan); }

.contact-form-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-card);
}

.contact-form-card h2 { margin-bottom: var(--sp-5); font-size: 1.5rem; }

.form-group {
  margin-bottom: var(--sp-3);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-navy);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1.5px solid var(--clr-border);
  font-size: 0.95rem;
  color: var(--clr-text);
  background: var(--clr-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 44px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-cyan);
  box-shadow: 0 0 0 3px rgba(23, 181, 232, 0.12);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--sp-5);
}

.form-success .success-icon {
  width: 64px; height: 64px;
  background: #dcfce7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-3);
  color: #16a34a;
}

/* ====================================================
   FAQ
   ==================================================== */
.faq-section { background: var(--clr-bg-section); }

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.faq-item {
  background: var(--clr-white);
  border-radius: var(--radius);
  border: 1.5px solid var(--clr-border);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.open { border-color: var(--clr-cyan); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--clr-navy);
  text-align: left;
  cursor: pointer;
  min-height: 56px;
  background: none;
  border: none;
}

.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--clr-cyan-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}

.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--clr-cyan); }
.faq-item.open .faq-icon svg { color: var(--clr-white); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 var(--sp-4) var(--sp-3);
  font-size: 0.92rem;
  color: var(--clr-text-muted);
  line-height: 1.75;
}

.faq-item.open .faq-answer { max-height: 300px; }

/* ====================================================
   SCROLL ANIMATIONS
   ==================================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* ====================================================
   BREADCRUMB
   ==================================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--sp-3);
}

.breadcrumb a:hover { color: var(--clr-cyan); }
.breadcrumb span { color: var(--clr-text-muted); }

/* ====================================================
   RESPONSIVE — TABLET (≤1024px)
   ==================================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { columns: 2; }
  .story-grid { grid-template-columns: 1fr; }
  .story-visual { min-height: 240px; }
  .contact-grid { grid-template-columns: 1fr; }
  .promises-grid { grid-template-columns: 1fr 1fr; }
}

/* ====================================================
   RESPONSIVE — MOBILE (≤768px)
   ==================================================== */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  body { font-size: 18px; }

  /* Nav mobile */
  .nav-hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: min(300px, 85vw);
    height: 100dvh;
    background: var(--clr-white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--sp-4);
    z-index: 1050;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -8px 0 40px rgba(10, 22, 40, 0.15);
    padding: var(--sp-8) var(--sp-4);
  }

  .nav-links a { font-size: 1.1rem; }

  .nav-open .nav-links { right: 0; }
  .nav-open .nav-overlay { display: block; }

  /* Layout */
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image { order: -1; }
  .hero-image img { max-width: 320px; }
  .hero-ctas { justify-content: center; }
  .hero h1 br { display: none; }

  .products-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { columns: 1; }
  .values-grid { grid-template-columns: 1fr; }
  .promises-grid { grid-template-columns: 1fr; }
  .products-detail-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }

  .section { padding: var(--sp-10) 0; }
  .section-header { margin-bottom: var(--sp-6); }

  /* Center all text & elements on mobile */
  .section-header,
  .page-hero,
  .benefit-card,
  .stat-item,
  .footer-col { text-align: center; }

  .benefit-icon,
  .value-icon,
  .footer-brand .nav-logo { margin-left: auto; margin-right: auto; }

  .footer-brand p { margin-left: auto; margin-right: auto; text-align: center; }

  .product-card,
  .product-detail-card { max-width: 460px; margin-left: auto; margin-right: auto; width: 100%; }

  .cta-banner h2,
  .cta-banner p { text-align: center; }

  .mission-statement { font-size: 1.1rem; }
  .mission-statement::before { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  .btn { padding: 12px 24px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .stats-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: center; }
  .filter-btn { width: 100%; max-width: 280px; }
}