/* ============================================================
   LIYU RAIN GEAR - Main Stylesheet
   Design: Premium European B2B · Navy/White/Blue
   Fonts: DM Serif Display + Outfit
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --navy:       #0C1C2E;
  --navy-mid:   #152A42;
  --navy-light: #1D3A56;
  --blue:       #1E6FBF;
  --blue-light: #2E8CE0;
  --blue-pale:  #E8F2FC;
  --white:      #FFFFFF;
  --off-white:  #F6F8FA;
  --gray-100:   #F1F4F7;
  --gray-200:   #E2E8EF;
  --gray-400:   #9AACBE;
  --gray-600:   #5A7085;
  --gray-800:   #2D3F52;
  --text:       #1A2C3F;
  --text-light: #4A6178;
  --gold:       #E8A800;   /* brand gold from LIYU logo */
  --gold-light: #FFF3CC;  /* gold pale background */
  --accent:     #E8A800;  /* gold for badges */
  --green:      #22C55E;
  --red:        #EF4444;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Outfit', system-ui, sans-serif;

  --shadow-sm:  0 1px 3px rgba(12,28,46,0.08);
  --shadow-md:  0 4px 16px rgba(12,28,46,0.10);
  --shadow-lg:  0 8px 32px rgba(12,28,46,0.14);
  --shadow-xl:  0 16px 48px rgba(12,28,46,0.18);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Typography ────────────────────────────────────────────── */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.25;
}

.text-overline {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}

/* ── Layout ────────────────────────────────────────────────── */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}

.section--sm {
  padding: 3rem 0;
}

.section--dark {
  background: var(--navy);
  color: var(--white);
}

.section--gray {
  background: var(--off-white);
}

/* ── Header / Navigation ───────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 2.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(232,168,0,0.3));
  transition: filter 0.25s;
}

.logo:hover .logo-icon {
  filter: drop-shadow(0 0 12px rgba(232,168,0,0.6));
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--white);
  letter-spacing: 0.05em;
}

.logo-sub {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  display: block;
  line-height: 1.2;
}

/* Gold eyebrow accent */
.eyebrow-gold {
  background: rgba(232,168,0,0.12);
  border-color: rgba(232,168,0,0.35);
  color: #F5C842;
}

.eyebrow-gold::before {
  background: #F5C842;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  letter-spacing: 0.03em;
}

.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-link svg {
  width: 14px; height: 14px;
  transition: transform var(--transition);
}

.nav-item:hover .nav-link svg { transform: rotate(180deg); }

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  pointer-events: none;
  border: 1px solid var(--gray-200);
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-800);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.dropdown-link:hover {
  background: var(--blue-pale);
  color: var(--blue);
}

.nav-cta {
  padding: 0.6rem 1.4rem;
  background: var(--blue);
  color: var(--white) !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--blue-light);
  transform: translateY(-1px);
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

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

/* ── Hero Section ──────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0C1C2E 0%, #152A42 40%, #1A3A60 100%);
}

/* Animated rain lines */
.hero-rain {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.rain-line {
  position: absolute;
  top: -10%;
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, rgba(30,111,191,0.3), transparent);
  animation: rain-fall linear infinite;
}

@keyframes rain-fall {
  0%   { transform: translateY(-10vh) rotate(15deg); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.5; }
  100% { transform: translateY(110vh) rotate(15deg); opacity: 0; }
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30,111,191,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,111,191,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
  padding-top: 100px;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(30,111,191,0.15);
  border: 1px solid rgba(30,111,191,0.35);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6DB8F5;
  margin-bottom: 1.75rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #6DB8F5;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--white);
  max-width: 800px;
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: italic;
  color: #6DB8F5;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  max-width: 540px;
  line-height: 1.65;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

/* Stats bar */
.hero-stats {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2.5rem;
  flex-wrap: wrap;
}

.stat-item {
  flex: 1;
  min-width: 140px;
  padding: 0 2rem 0 0;
  border-right: 1px solid rgba(255,255,255,0.1);
  margin-right: 2rem;
}

.stat-item:last-child { border-right: none; margin-right: 0; }

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-number span {
  color: #6DB8F5;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.btn-primary:hover {
  background: var(--blue-light);
  border-color: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30,111,191,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline-dark:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-light {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn-light:hover {
  background: var(--off-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 0.55rem 1.2rem;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 1.1rem 2.5rem;
  font-size: 1rem;
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ── Trust Strip ───────────────────────────────────────────── */
.trust-strip {
  background: var(--navy-mid);
  padding: 2rem 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.trust-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-400);
  text-align: center;
  margin-bottom: 1.25rem;
}

.trust-logos {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.trust-logo-item {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
  transition: color var(--transition);
  white-space: nowrap;
}

.trust-logo-item:hover { color: rgba(255,255,255,0.7); }

/* ── Category Cards ────────────────────────────────────────── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.category-card {
  position: relative;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  display: block;
}

.category-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.category-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.category-card:hover::before { transform: scaleX(1); }

.cat-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
  transition: transform var(--transition);
}

.category-card:hover .cat-icon { transform: scale(1.15) rotate(-5deg); }

.cat-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
  color: var(--navy);
}

.cat-tagline {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--blue);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.cat-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.55;
}

.cat-arrow {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue);
  transition: gap var(--transition);
}

.category-card:hover .cat-arrow { gap: 0.7rem; }

/* ── Product Cards ─────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text);
}

.product-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.product-img-wrap {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--gray-100);
}

.product-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-img-wrap img { transform: scale(1.07); }

.product-material-badge {
  position: absolute;
  top: 0.75rem; left: 0.75rem;
  background: var(--navy);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
}

.product-audience-badge {
  position: absolute;
  top: 0.75rem; right: 0.75rem;
  background: var(--blue-pale);
  color: var(--blue);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
}

.product-info {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-subcategory {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.4rem;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--navy);
  margin-bottom: 0.75rem;
  flex: 1;
}

.product-specs {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.spec-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.spec-value {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
}

.product-card-cta {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-card-cta span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
}

.product-card-cta svg {
  width: 16px; height: 16px;
  color: var(--blue);
  transition: transform var(--transition);
}

.product-card:hover .product-card-cta svg { transform: translateX(4px); }

/* ── Why Us Section ────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.why-card {
  padding: 2rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.why-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.why-icon {
  width: 52px; height: 52px;
  background: var(--blue-pale);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--blue);
}

.why-icon svg { width: 24px; height: 24px; }

.why-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  color: var(--navy);
}

.why-desc {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ── Certifications ─────────────────────────────────────────── */
.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  min-width: 120px;
  transition: all var(--transition);
}

.cert-badge:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(30,111,191,0.5);
  transform: translateY(-2px);
}

.cert-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
}

.cert-desc {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.45);
  text-align: center;
  line-height: 1.3;
}

/* ── OEM Process ────────────────────────────────────────────── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(to right, var(--blue), var(--blue-light));
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  padding: 0 1.5rem;
  text-align: center;
}

.step-number-wrap {
  width: 72px; height: 72px;
  background: var(--navy);
  border: 3px solid var(--blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  transition: all var(--transition);
}

.process-step:hover .step-number-wrap {
  background: var(--blue);
  transform: scale(1.08);
}

.step-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--blue);
}

.process-step:hover .step-number { color: var(--white); }

.step-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.step-desc {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* ── News Cards ─────────────────────────────────────────────── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.news-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.news-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--gray-100);
}

.news-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-img img { transform: scale(1.05); }

.news-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.news-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-pale);
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
}

.news-date {
  font-size: 0.75rem;
  color: var(--gray-400);
}

.news-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: var(--navy);
  flex: 1;
}

.news-summary {
  font-size: 0.84rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.news-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--transition);
}

.news-card:hover .news-link { gap: 0.5rem; }

/* ── Contact Section ────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.contact-person {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  transition: all var(--transition);
}

.contact-person:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(30,111,191,0.4);
}

.contact-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--white);
  flex-shrink: 0;
}

.contact-info h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 0.15rem;
}

.contact-info .title {
  font-size: 0.72rem;
  color: var(--blue-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.contact-info .detail {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-top: 0.2rem;
}

/* Contact Form */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-light);
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30,111,191,0.1);
}

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

/* ── WhatsApp Float Button ──────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wa-tab {
  position: relative;
  display: flex;
  align-items: center;
  background: #25D366;
  color: white;
  border-radius: 10px 0 0 10px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: -3px 3px 12px rgba(0,0,0,0.2);
  transition: all var(--transition);
  height: 52px;
}

.wa-tab:hover { box-shadow: -4px 4px 18px rgba(0,0,0,0.3); }

.wa-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.wa-icon-wrap svg { width: 26px; height: 26px; }

.wa-details {
  max-width: 0;
  overflow: hidden;
  transition: max-width 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s;
  white-space: nowrap;
  padding: 0;
}

.wa-tab:hover .wa-details {
  max-width: 200px;
  padding: 0 1rem 0 0;
}

.wa-name { font-size: 0.82rem; font-weight: 700; display: block; }
.wa-label { font-size: 0.7rem; opacity: 0.8; display: block; }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--navy);
  padding: 4rem 0 0;
  color: rgba(255,255,255,0.65);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo-text { color: var(--white); font-size: 1.6rem; }

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.7;
  margin-top: 1rem;
  color: rgba(255,255,255,0.45);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-link {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
}

.social-link:hover {
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}

.social-link svg { width: 16px; height: 16px; }

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--white); }

.footer-contact-item {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  align-items: flex-start;
}

.footer-contact-item svg {
  width: 16px; height: 16px;
  color: var(--blue-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item span {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

/* ── Section Headers ────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header .text-overline {
  margin-bottom: 0.75rem;
  display: block;
}

.section-header .display-lg {
  color: var(--navy);
  margin-bottom: 1rem;
}

.section-header.dark .display-lg { color: var(--white); }
.section-header .text-overline.dark-label { color: #6DB8F5; }

.section-header p {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
}

.section-header.dark p { color: rgba(255,255,255,0.55); }

/* ── Products Filter ────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--gray-200);
}

.filter-btn {
  padding: 0.55rem 1.2rem;
  border-radius: 100px;
  border: 1.5px solid var(--gray-200);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-light);
  background: var(--white);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

/* ── Product Detail Page ─────────────────────────────────────── */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: 100px;
}

.product-main-img {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  margin-bottom: 1rem;
}

.product-main-img img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.product-thumbnails {
  display: flex;
  gap: 0.75rem;
}

.product-thumb {
  width: 80px; height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--gray-200);
  cursor: pointer;
  transition: border-color var(--transition);
}

.product-thumb.active, .product-thumb:hover { border-color: var(--blue); }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }

.product-detail-info { }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.breadcrumb a:hover { color: var(--blue); }
.breadcrumb svg { width: 14px; height: 14px; }

.product-detail-name {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.product-detail-sku {
  font-size: 0.78rem;
  color: var(--gray-400);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

.specs-table tr {
  border-bottom: 1px solid var(--gray-200);
}

.specs-table tr:last-child { border-bottom: none; }

.specs-table td {
  padding: 0.75rem 0;
  font-size: 0.88rem;
  vertical-align: top;
}

.specs-table td:first-child {
  color: var(--text-light);
  font-weight: 600;
  width: 40%;
  padding-right: 1rem;
}

.specs-table td:last-child { color: var(--navy); font-weight: 500; }

.features-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text);
}

.feature-item::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  background: var(--blue-pale);
  color: var(--blue);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.cert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cert-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
}

/* ── Page Hero ──────────────────────────────────────────────── */
.page-hero {
  background: var(--navy);
  padding: 8rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0C1C2E, #1A3A60);
}

.page-hero > * { position: relative; z-index: 1; }

.page-hero .display-lg { color: var(--white); }
.page-hero p { color: rgba(255,255,255,0.55); max-width: 580px; margin: 1rem auto 0; }

/* ── Admin panel ─────────────────────────────────────────────── */
/* Admin styles are in admin/index.html */

/* ── Sidebar Filter (Products Page) ─────────────────────────── */
.products-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.filter-sidebar {
  position: sticky;
  top: 100px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.filter-section {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--gray-100);
}

.filter-section:last-child { border-bottom: none; margin-bottom: 0; }

.filter-section h5 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.86rem;
  color: var(--text-light);
  transition: all var(--transition);
}

.filter-option:hover, .filter-option.active {
  background: var(--blue-pale);
  color: var(--blue);
}

.filter-option-count {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray-400);
  background: var(--gray-100);
  padding: 0.15rem 0.45rem;
  border-radius: 100px;
}

/* ── Scroll reveal animations ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ── Utility ────────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-white  { color: var(--white); }
.text-blue   { color: var(--blue); }
.text-muted  { color: var(--text-light); }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

.mt-auto { margin-top: auto; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 1rem; }

.divider {
  width: 48px; height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin: 1rem 0;
}

.divider.center { margin: 1rem auto; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .products-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: relative; top: 0; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .process-grid::before { display: none; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-menu.open { 
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 76px; left: 0; right: 0; bottom: 0;
    background: var(--navy);
    padding: 2rem;
    gap: 0.25rem;
    overflow-y: auto;
  }
  .hamburger { display: flex; }
  .hero-stats { gap: 1.5rem; }
  .stat-item { min-width: 120px; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .product-gallery { position: relative; top: 0; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .nav-dropdown { position: fixed; top: auto; left: 1rem; right: 1rem; transform: none; }
  .hero-content { padding-top: 120px; }
}

@media (max-width: 480px) {
  .category-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 1rem; margin-bottom: 1rem; }
}