/* ============================================================
   SunFold Outdoor Furniture – Global Stylesheet
   Brand: Natural Outdoor | B2B Wholesale | Taizhou, China
   Color Palette:
     --forest:  #2D5016  (deep forest green – primary)
     --earth:   #6B4F2A  (warm earth brown – secondary)
     --sand:    #C8A96E  (sand gold – accent)
     --cream:   #F7F3EC  (off-white background)
     --slate:   #3A3A3A  (near-black body text)
     --mist:    #8A9E7E  (muted sage)
     --white:   #FFFFFF
   ============================================================ */

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

:root {
  --forest: #2D5016;
  --forest-light: #3D6B20;
  --earth: #6B4F2A;
  --sand: #C8A96E;
  --sand-light: #E2CFA0;
  --cream: #F7F3EC;
  --cream-dark: #EDE6D8;
  --slate: #3A3A3A;
  --mist: #8A9E7E;
  --white: #FFFFFF;
  --gray-light: #F0EDE6;
  --gray-mid: #BFBAB2;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
  --font-sans: 'Poppins', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
}

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

body {
  font-family: var(--font-sans);
  color: var(--slate);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--slate);
  line-height: 1.25;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-desc {
  color: #666;
  font-size: 1.05rem;
  max-width: 620px;
}
.section-header {
  margin-bottom: 56px;
}
.section-header.centered {
  text-align: center;
}
.section-header.centered .section-desc { margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  font-family: var(--font-sans);
}
.btn-primary {
  background: var(--forest);
  color: var(--white);
  border-color: var(--forest);
}
.btn-primary:hover {
  background: var(--forest-light);
  border-color: var(--forest-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--forest);
}
.btn-sand {
  background: var(--sand);
  color: var(--white);
  border-color: var(--sand);
}
.btn-sand:hover {
  background: #b8964a;
  border-color: #b8964a;
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--forest);
  border-color: var(--forest);
}
.btn-ghost:hover {
  background: var(--forest);
  color: var(--white);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  transition: var(--transition);
  background: transparent;
}
.nav.scrolled {
  background: rgba(247, 243, 236, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}
.nav-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  transition: var(--transition);
}
.nav.scrolled .nav-logo { color: var(--forest); }
.nav-logo-icon {
  width: 38px;
  height: 38px;
  background: var(--sand);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--forest);
}
.nav-logo-icon svg {
  width: 26px;
  height: 26px;
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 2px;
  background: var(--sand);
  transform: scaleX(0);
  transition: var(--transition);
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav.scrolled .nav-links a { color: var(--slate); }
.nav-links a:hover { color: var(--sand); }
.nav.scrolled .nav-links a:hover { color: var(--forest); }
.nav-cta {
  padding: 10px 22px;
  font-size: 0.85rem;
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.nav.scrolled .nav-hamburger span { background: var(--slate); }

/* ---------- Mobile Nav Drawer ---------- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--cream);
  z-index: 999;
  padding: 40px 32px;
  flex-direction: column;
  gap: 32px;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.4rem;
  font-family: var(--font-serif);
  color: var(--slate);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--cream-dark);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--forest);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.png');
  background-size: cover;
  background-position: center;
  opacity: 0.45;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(45, 80, 22, 0.75) 0%,
    rgba(45, 80, 22, 0.35) 60%,
    rgba(107, 79, 42, 0.25) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px 80px;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200, 169, 110, 0.2);
  border: 1px solid rgba(200, 169, 110, 0.5);
  border-radius: 100px;
  padding: 6px 16px;
  color: var(--sand-light);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 28px;
  text-transform: uppercase;
}
.hero-title {
  color: var(--white);
  max-width: 700px;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero-title .accent { color: var(--sand-light); }
.hero-subtitle {
  color: rgba(255,255,255,0.85);
  font-size: 1.15rem;
  max-width: 540px;
  margin-bottom: 48px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.2);
  flex-wrap: wrap;
}
.hero-stat-value {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--sand-light);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--forest);
  color: var(--white);
  padding: 20px 0;
  overflow: hidden;
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  gap: 48px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.trust-item .icon { font-size: 1.1rem; color: var(--sand); }

/* ---------- Categories Section ---------- */
.categories {
  padding: 100px 0;
  background: var(--cream);
}
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cat-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  background: #c8b89a;
}
.cat-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.cat-card:hover img { transform: scale(1.06); }
.cat-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(45, 80, 22, 0.85) 0%,
    rgba(45, 80, 22, 0.1) 55%,
    transparent 100%
  );
}
.cat-card-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px 24px;
}
.cat-card-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sand-light);
  margin-bottom: 6px;
}
.cat-card-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--white);
  margin-bottom: 12px;
}
.cat-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sand-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cat-card-link .arrow {
  transition: transform 0.3s;
}
.cat-card:hover .cat-card-link .arrow { transform: translateX(4px); }

/* ---------- Featured Products ---------- */
.products {
  padding: 100px 0;
  background: var(--white);
}
.products-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 48px;
  background: var(--gray-light);
  padding: 4px;
  border-radius: var(--radius);
  width: fit-content;
}
.tab-btn {
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: transparent;
  color: #888;
  transition: var(--transition);
  font-family: var(--font-sans);
}
.tab-btn.active {
  background: var(--white);
  color: var(--forest);
  box-shadow: var(--shadow-sm);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--cream);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.product-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--cream-dark);
}
.product-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-card-body { padding: 20px 22px 24px; }
.product-card-cat {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 8px;
}
.product-card-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--slate);
  margin-bottom: 8px;
}
.product-card-desc {
  font-size: 0.88rem;
  color: #888;
  line-height: 1.6;
  margin-bottom: 16px;
}
.product-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-card-moq {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--earth);
  background: rgba(107,79,42,0.1);
  padding: 4px 10px;
  border-radius: 100px;
}
.product-card-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--forest);
  display: flex;
  align-items: center;
  gap: 4px;
}
.product-card-link:hover { color: var(--forest-light); }

/* ---------- Why Choose Us ---------- */
.why-us {
  padding: 100px 0;
  background: var(--cream);
}
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.why-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.why-image img { width: 100%; height: 100%; object-fit: cover; }
.why-badge-float {
  position: absolute;
  bottom: 28px; left: -20px;
  background: var(--forest);
  color: var(--white);
  border-radius: var(--radius);
  padding: 18px 24px;
  box-shadow: var(--shadow-md);
}
.why-badge-float .num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--sand);
  line-height: 1;
}
.why-badge-float .label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  margin-top: 4px;
}
.why-content { display: flex; flex-direction: column; gap: 0; }
.why-items { display: flex; flex-direction: column; gap: 32px; margin-top: 40px; }
.why-item { display: flex; gap: 20px; }
.why-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(45, 80, 22, 0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.why-item-body {}
.why-item-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--slate);
}
.why-item-desc { font-size: 0.9rem; color: #777; line-height: 1.7; }

/* ---------- Certifications ---------- */
.certs {
  padding: 64px 0;
  background: var(--forest);
}
.certs-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--white);
  opacity: 0.85;
  transition: var(--transition);
}
.cert-badge:hover { opacity: 1; }
.cert-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 2px solid rgba(200,169,110,0.5);
  background: rgba(200,169,110,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.cert-name { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; }

/* ---------- Testimonials ---------- */
.testimonials {
  padding: 100px 0;
  background: var(--white);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testimonial-card {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  border: 1px solid var(--cream-dark);
  transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.testimonial-quote {
  font-size: 3rem;
  color: var(--sand);
  line-height: 1;
  font-family: Georgia, serif;
  margin-bottom: 16px;
}
.testimonial-text {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.8;
  margin-bottom: 28px;
  font-style: italic;
}
.testimonial-author {
  display: flex; align-items: center; gap: 14px;
}
.testimonial-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--forest);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 700; font-size: 0.95rem; }
.testimonial-role { font-size: 0.8rem; color: #999; }
.testimonial-stars { color: var(--sand); font-size: 0.9rem; margin-bottom: 4px; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--forest) 0%, #1A3A0A 100%);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-about.png');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.cta-inner h2 { color: var(--white); margin-bottom: 20px; }
.cta-inner p { color: rgba(255,255,255,0.8); font-size: 1.1rem; margin-bottom: 40px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer {
  background: #1A1A1A;
  color: rgba(255,255,255,0.7);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 64px;
}
.footer-brand .nav-logo {
  color: var(--white);
  margin-bottom: 20px;
  font-size: 1.4rem;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 280px; }
.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.88rem; transition: var(--transition); }
.footer-links a:hover { color: var(--sand); }
.footer-contact-item {
  display: flex; gap: 10px;
  font-size: 0.88rem;
  margin-bottom: 12px;
  align-items: flex-start;
}
.footer-contact-item .fi { color: var(--sand); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a:hover { color: var(--sand); }

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--forest) 0%, #1A3A0A 100%);
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.png');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.page-hero-inner h1 { color: var(--white); margin-bottom: 16px; }
.page-hero-inner p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 560px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--sand); }
.breadcrumb span { color: rgba(255,255,255,0.4); }

/* ---------- Products Page ---------- */
.products-page {
  padding: 80px 0;
  background: var(--cream);
}
.products-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}
.products-sidebar {}
.filter-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
}
.filter-panel-title {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--cream-dark);
}
.filter-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  cursor: pointer;
  font-size: 0.9rem;
  color: #555;
  transition: var(--transition);
}
.filter-option:hover { color: var(--forest); }
.filter-check {
  width: 18px; height: 18px;
  border: 2px solid var(--gray-mid);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.filter-option.active .filter-check {
  background: var(--forest);
  border-color: var(--forest);
  color: var(--white);
  font-size: 0.7rem;
}
.products-main {}
.products-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.products-count { font-size: 0.9rem; color: #888; }
.products-sort select {
  padding: 8px 16px;
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-family: var(--font-sans);
  background: var(--white);
  cursor: pointer;
  color: var(--slate);
}
.products-grid-4 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---------- Product Detail Modal ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gray-light);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  z-index: 5;
}
.modal-close:hover { background: var(--cream-dark); }
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; }
.modal-img { aspect-ratio: 1; overflow: hidden; border-radius: var(--radius-lg) 0 0 var(--radius-lg); }
.modal-img img { width: 100%; height: 100%; object-fit: cover; }
.modal-body { padding: 40px 36px; }
.modal-cat { font-size: 0.75rem; letter-spacing: 0.15em; color: var(--mist); text-transform: uppercase; margin-bottom: 8px; }
.modal-title { font-family: var(--font-serif); font-size: 1.8rem; margin-bottom: 16px; }
.modal-desc { font-size: 0.92rem; color: #666; line-height: 1.8; margin-bottom: 24px; }
.modal-specs { margin-bottom: 28px; }
.modal-spec-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--cream-dark);
  font-size: 0.88rem;
}
.modal-spec-label { color: #888; }
.modal-spec-val { font-weight: 600; color: var(--slate); }

/* ---------- About Page ---------- */
.about-story {
  padding: 100px 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-img-wrap { border-radius: var(--radius-lg); overflow: hidden; }
.about-img-wrap img { width: 100%; object-fit: cover; }
.about-milestones {
  padding: 80px 0;
  background: var(--cream);
}
.milestone-line {
  position: relative;
  padding-left: 40px;
  margin-bottom: 40px;
}
.milestone-line::before {
  content: '';
  position: absolute;
  left: 14px; top: 24px;
  width: 2px;
  height: calc(100% + 20px);
  background: var(--cream-dark);
}
.milestone-line:last-child::before { display: none; }
.milestone-dot {
  position: absolute;
  left: 7px; top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--forest);
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 2px var(--forest);
}
.milestone-year {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--sand);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.milestone-event { font-weight: 600; font-size: 0.95rem; }
.milestone-desc { font-size: 0.88rem; color: #888; margin-top: 4px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  box-shadow: var(--shadow-sm);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--forest);
  line-height: 1;
}
.stat-unit { font-size: 1.4rem; color: var(--sand); }
.stat-label { font-size: 0.88rem; color: #888; margin-top: 8px; }

/* ---------- Contact Page ---------- */
.contact-section {
  padding: 100px 0;
  background: var(--cream);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
}
.contact-info-title { margin-bottom: 24px; }
.contact-info-desc { color: #666; font-size: 0.95rem; line-height: 1.8; margin-bottom: 40px; }
.contact-detail {
  display: flex; gap: 16px;
  margin-bottom: 28px;
}
.contact-detail-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(45,80,22,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-detail-label { font-size: 0.78rem; color: #999; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
.contact-detail-val { font-weight: 600; font-size: 0.95rem; }
.rfq-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
}
.rfq-form h3 { font-family: var(--font-serif); font-size: 1.6rem; margin-bottom: 8px; }
.rfq-form p { color: #888; font-size: 0.88rem; margin-bottom: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-label { font-size: 0.82rem; font-weight: 600; color: var(--slate); letter-spacing: 0.04em; }
.form-input, .form-select, .form-textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--cream-dark);
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-family: var(--font-sans);
  color: var(--slate);
  background: var(--cream);
  transition: var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--forest);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(45,80,22,0.08);
}
.form-textarea { min-height: 130px; resize: vertical; }
.form-submit { width: 100%; padding: 16px; font-size: 1rem; margin-top: 8px; }

/* ---------- Floating WhatsApp ---------- */
.fab-whatsapp {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: var(--transition);
  text-decoration: none;
}
.fab-whatsapp:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.55); }

/* ---------- Scroll to top ---------- */
.scroll-top {
  position: fixed;
  bottom: 100px; right: 32px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--forest);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 998;
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { background: var(--forest-light); transform: translateY(-3px); }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }
section { position: relative; }

/* ---------- Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { gap: 40px; }
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .products-layout { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .modal-grid { grid-template-columns: 1fr; }
  .modal-img { border-radius: var(--radius-lg) var(--radius-lg) 0 0; aspect-ratio: 4/3; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .cat-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .products-grid { grid-template-columns: 1fr; }
  .products-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .container { padding: 0 20px; }
  .rfq-form { padding: 28px 24px; }
  .hero-stats { gap: 28px; }
}

@media (max-width: 480px) {
  .cat-grid { grid-template-columns: 1fr; }
  .products-grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}