/* ============================================
   Derkia Home Craft — B2B Factory Website
   Stylesheet
   ============================================ */

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #1a1a2e;
  --primary-light: #2a2a4a;
  --accent: #c9a96e;
  --accent-dark: #b08d4a;
  --accent-light: #f5efde;
  --bg: #ffffff;
  --bg-alt: #f8f6f1;
  --bg-dark: #12122a;
  --text: #2d2d3a;
  --text-light: #6b6b7d;
  --text-muted: #9a9ab0;
  --border: #e8e4dc;
  --success: #2d8a4e;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.12);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all .3s ease;
  --container: 1200px;
}

html { scroll-behavior: smooth; scroll-padding-top: 100px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-dark); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* ===== TYPOGRAPHY ===== */
.section-eyebrow {
  font-size: .85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 700px;
  line-height: 1.7;
}

.section-head {
  text-align: center;
  margin-bottom: 60px;
}
.section-head .section-desc { margin: 0 auto; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  letter-spacing: .3px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(201,169,110,.35);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(201,169,110,.45);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-sm {
  padding: 10px 22px;
  font-size: .85rem;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-sm:hover { background: var(--accent); color: #fff; }

.btn-block { width: 100%; justify-content: center; padding: 16px; font-size: 1rem; }

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: #25D366;
  color: #fff;
  font-weight: 600;
  font-size: 1.05rem;
  border-radius: var(--radius);
  margin-top: 20px;
  transition: var(--transition);
}
.btn-whatsapp:hover { background: #1ebd5a; color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,.35); }

/* ===== TOP BAR ===== */
.top-bar {
  background: var(--bg-dark);
  color: rgba(255,255,255,.85);
  font-size: .82rem;
  padding: 8px 0;
  position: relative;
  z-index: 1001;
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.top-bar a {
  color: rgba(255,255,255,.85);
  margin-right: 20px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}
.top-bar a:hover { color: var(--accent); }
.top-bar .time-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(201,169,110,.15);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .78rem;
}

/* ===== HEADER / NAV ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-text { display: flex; flex-direction: column; }
.logo-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
}
.logo-tag {
  font-size: .7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--accent); background: var(--accent-light); }
.nav-link.active { color: var(--accent); }
.nav-link.btn-inquire {
  background: var(--accent);
  color: #fff;
  padding: 10px 22px;
  margin-left: 8px;
}
.nav-link.btn-inquire:hover { background: var(--accent-dark); color: #fff; }

/* Dropdown */
.nav-dropdown { position: relative; }
.dropdown-toggle .caret { font-size: .7rem; margin-left: 2px; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 10px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 100;
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 16px;
  font-size: .88rem;
  color: var(--text);
  border-radius: 6px;
}
.dropdown-menu a:hover { background: var(--accent-light); color: var(--accent); }

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #2a2a4a 50%, #1a1a2e 100%);
  overflow: hidden;
  color: #fff;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 140%;
  background: radial-gradient(ellipse, rgba(201,169,110,.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse, rgba(201,169,110,.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a96e' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 20px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,169,110,.15);
  border: 1px solid rgba(201,169,110,.3);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: 30px;
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.2); }
}
.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.75);
  max-width: 680px;
  line-height: 1.8;
  margin-bottom: 36px;
}
.hero-sub strong { color: var(--accent); font-weight: 600; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }
.hero-cta .btn-outline { color: #fff; border-color: rgba(255,255,255,.4); }
.hero-cta .btn-outline:hover { background: #fff; color: var(--primary); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  max-width: 900px;
}
.stat {
  text-align: center;
  padding: 16px 8px;
  border-left: 1px solid rgba(255,255,255,.1);
}
.stat:first-child { border-left: none; }
.stat-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}
.stat-unit {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 600;
}
.stat-label {
  display: block;
  font-size: .78rem;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,.4);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero-scroll span {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== TRUST STRIP ===== */
.trust-strip {
  background: var(--accent-light);
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.trust-inner {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}
.trust-item {
  text-align: center;
  font-size: .85rem;
  color: var(--text-light);
  line-height: 1.4;
}
.trust-item strong { color: var(--primary); display: block; font-size: .95rem; }
.trust-icon { font-size: 1.5rem; display: block; margin-bottom: 4px; }

/* ===== PARTNERS ===== */
.partners {
  padding: 50px 0;
  background: var(--bg-alt);
  text-align: center;
}
.partners .section-eyebrow { margin-bottom: 30px; }
.partners-row {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 50px;
}
.partner-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: .6;
  transition: var(--transition);
  letter-spacing: 1px;
}
.partner-logo:hover { opacity: 1; color: var(--primary); }

/* ===== PRODUCTS ===== */
.products { padding: 100px 0; }
.category-block {
  margin-bottom: 90px;
}
.category-block:last-child { margin-bottom: 0; }
.cat-header {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 36px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--accent-light);
}
.cat-num {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  min-width: 70px;
}
.cat-header h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.cat-header p {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 700px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.product-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--bg-alt);
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.product-card:hover .product-img img { transform: scale(1.05); }
.product-info { padding: 24px; }
.product-info h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.product-desc {
  font-size: .9rem;
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.5;
}
.product-specs {
  margin-bottom: 18px;
  padding: 14px;
  background: var(--bg-alt);
  border-radius: var(--radius);
}
.product-specs li {
  font-size: .82rem;
  color: var(--text-light);
  padding: 3px 0;
  border-bottom: 1px solid rgba(0,0,0,.04);
}
.product-specs li:last-child { border-bottom: none; }
.product-specs strong { color: var(--text); font-weight: 600; }

/* ===== FACTORY SECTION ===== */
.factory { padding: 100px 0; background: var(--bg-alt); }
.factory-facts {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.fact-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.fact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.fact-icon { font-size: 2rem; margin-bottom: 10px; }
.fact-num {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
  line-height: 1.2;
}
.fact-label {
  font-size: .82rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* Factory Gallery */
.factory-gallery {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 280px 280px;
  gap: 16px;
  margin-bottom: 60px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.gallery-item.wide { grid-row: span 2; }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.gallery-item:hover img { transform: scale(1.03); }
.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,.8), transparent);
  color: #fff;
  padding: 20px 16px 14px;
  font-size: .85rem;
  font-weight: 500;
}

/* Process Flow */
.process-section { margin-top: 20px; }
.process-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 40px;
}
.process-flow {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
}
.process-flow::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-light));
  z-index: 0;
}
.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 4px 15px rgba(201,169,110,.3);
}
.process-step h4 {
  font-size: .95rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.process-step p {
  font-size: .8rem;
  color: var(--text-light);
  line-height: 1.5;
  padding: 0 4px;
}

/* ===== OEM SECTION ===== */
.oem { padding: 100px 0; }
.oem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.oem-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.oem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--accent), var(--accent-dark));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.oem-card:hover::before { transform: scaleX(1); }
.oem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.oem-icon { font-size: 2.2rem; margin-bottom: 16px; }
.oem-card h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.oem-card p {
  font-size: .9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== QUALITY SECTION ===== */
.quality { padding: 100px 0; background: var(--bg-dark); color: #fff; }
.quality .section-eyebrow { color: var(--accent); }
.quality .section-title { color: #fff; }
.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.quality-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
}
.quality-card:hover {
  background: rgba(201,169,110,.1);
  border-color: var(--accent);
  transform: translateY(-3px);
}
.q-icon { font-size: 2.5rem; margin-bottom: 16px; }
.quality-card h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 10px;
}
.quality-card p {
  font-size: .9rem;
  color: rgba(255,255,255,.65);
  line-height: 1.6;
}

/* ===== TESTIMONIALS ===== */
.testimonials { padding: 100px 0; background: var(--bg-alt); }
.testimonial-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.testimonial-track {
  display: flex;
  transition: transform .6s ease;
}
.testimonial-card {
  min-width: 100%;
  padding: 40px;
  background: #fff;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.t-stars { color: var(--accent); font-size: 1.3rem; margin-bottom: 16px; letter-spacing: 3px; }
.t-quote {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 24px;
}
.t-author { text-align: center; }
.t-name { font-weight: 700; color: var(--primary); font-size: 1rem; }
.t-role { font-size: .85rem; color: var(--text-light); }
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}
.slider-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.slider-dots .dot.active { background: var(--accent); transform: scale(1.2); }

/* ===== CONTACT SECTION ===== */
.contact { padding: 100px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
}
.contact-left .section-title { margin-bottom: 16px; }
.contact-info { margin-top: 36px; }
.ci-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.ci-item:last-child { border-bottom: none; }
.ci-icon { font-size: 1.4rem; min-width: 36px; text-align: center; }
.ci-item strong { display: block; color: var(--primary); font-size: .9rem; margin-bottom: 2px; }
.ci-item p { font-size: .9rem; color: var(--text-light); }

/* Form */
.inquiry-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form-group { margin-bottom: 20px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: .95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(201,169,110,.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note {
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: 12px;
  text-align: center;
}

/* ===== FAQ ===== */
.faq { padding: 100px 0; background: var(--bg-alt); }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { background: var(--accent-light); }
.faq-toggle {
  font-size: 1.3rem;
  color: var(--accent);
  transition: transform .3s ease;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 24px 20px;
  font-size: .92rem;
  color: var(--text-light);
  line-height: 1.7;
}
.faq-answer strong { color: var(--primary); }

/* ===== ABOUT SECTION ===== */
.about { padding: 100px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-left p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-left strong { color: var(--primary); }
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 36px;
  padding-top: 30px;
  border-top: 2px solid var(--accent-light);
}
.about-stats div { text-align: center; }
.big-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}
.about-stats span:not(.big-num) {
  font-size: .82rem;
  color: var(--text-light);
}
.about-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 3/4;
}
.about-img:first-child { transform: translateY(-20px); }
.about-img:last-child { transform: translateY(20px); }
.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.6);
  padding: 70px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: #fff;
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
}
.footer-brand p {
  font-size: .88rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  transition: var(--transition);
}
.social-links a:hover { background: var(--accent); color: #fff; }

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255,255,255,.5);
  font-size: .88rem;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { font-size: .88rem; line-height: 1.6; margin-bottom: 12px; }
.footer-partners li {
  font-size: .9rem;
  color: rgba(255,255,255,.45);
  margin-bottom: 8px;
  font-family: 'Playfair Display', serif;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.35); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: .82rem; color: rgba(255,255,255,.35); }
.footer-legal a:hover { color: var(--accent); }

/* ===== FLOATING WHATSAPP ===== */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #25D366;
  color: #fff;
  padding: 14px 24px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: .95rem;
  box-shadow: 0 6px 25px rgba(37,211,102,.4);
  z-index: 999;
  transition: var(--transition);
  animation: floatPulse 2.5s ease-in-out infinite;
}
.floating-whatsapp:hover { color: #fff; transform: scale(1.05); box-shadow: 0 8px 35px rgba(37,211,102,.5); }
.floating-whatsapp .wa-icon { font-size: 1.3rem; }
@keyframes floatPulse {
  0%, 100% { box-shadow: 0 6px 25px rgba(37,211,102,.4); }
  50% { box-shadow: 0 6px 35px rgba(37,211,102,.6); }
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  top: 90px;
  right: 30px;
  background: var(--success);
  color: #fff;
  padding: 16px 28px;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  transform: translateX(120%);
  transition: transform .4s ease;
}
.toast.show { transform: translateX(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .stat { border-left: none; }
  .factory-facts { grid-template-columns: repeat(3, 1fr); }
  .process-flow { grid-template-columns: repeat(3, 1fr); gap: 30px; }
  .process-flow::before { display: none; }
  .oem-grid { grid-template-columns: repeat(2, 1fr); }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr 1fr; }
  .factory-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 220px 220px 220px; }
  .gallery-item.wide { grid-row: span 1; grid-column: span 2; }
  .about-grid { grid-template-columns: 1fr; }
  .about-right { grid-template-columns: 1fr 1fr; max-width: 500px; }
  .about-img:first-child, .about-img:last-child { transform: none; }
}

@media (max-width: 768px) {
  .top-bar-inner { justify-content: center; text-align: center; }
  .top-bar a { margin-right: 12px; font-size: .75rem; }
  .top-bar .time-badge { display: none; }
  .mobile-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 80px 24px 24px;
    box-shadow: var(--shadow-lg);
    transition: right .4s ease;
    z-index: 999;
    overflow-y: auto;
  }
  .nav-menu.open { right: 0; }
  .nav-link { padding: 14px 16px; font-size: 1rem; }
  .nav-link.btn-inquire { margin: 12px 0 0; text-align: center; }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: 8px 0 8px 16px;
    display: none;
  }
  .nav-dropdown.open .dropdown-menu { display: block; }
  .hero { min-height: 80vh; }
  .hero-content { padding: 50px 16px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .section-title { font-size: 1.8rem; }
  .factory-facts { grid-template-columns: repeat(2, 1fr); }
  .factory-gallery { grid-template-columns: 1fr; grid-template-rows: repeat(4, 200px); }
  .gallery-item.wide { grid-column: span 1; }
  .process-flow { grid-template-columns: repeat(2, 1fr); }
  .oem-grid { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .inquiry-form { padding: 24px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .floating-whatsapp { bottom: 16px; right: 16px; padding: 12px 18px; font-size: .85rem; }
  .floating-whatsapp .wa-text { display: none; }
  .trust-inner { gap: 10px; }
  .trust-item { font-size: .75rem; }
  .trust-item strong { font-size: .85rem; }
  .partners-row { gap: 24px; }
  .partner-logo { font-size: 1.2rem; }
  .cat-header { flex-direction: column; gap: 10px; }
  .testimonial-card { padding: 24px 20px; }
  .t-quote { font-size: 1rem; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .factory-facts { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .process-flow { grid-template-columns: 1fr; }
}