/* ═══════════════════════════════════════════════════════════
   WearForge — Wearable Electronics Factory
   Stylesheet adapted from demo design system
   ═══════════════════════════════════════════════════════════ */

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

:root {
  --green: #7EC21E;
  --green-dark: #68A014;
  --green-light: rgba(126,194,30,0.12);
  --orange: #FF8500;
  --orange-light: rgba(255,133,0,0.12);
  --black: #0D1008;
  --white: #FAFAF8;
  --bg-alt: #F3F5EF;
  --surface: #fff;
  --border: #E5E6E1;
  --border-light: rgba(13,16,8,0.06);
  --text-muted: #6B7266;
  --gray-700: #2B2E27;
  --font: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --nav-h: 64px;
  --max-w: 1240px;
  --sp-2xs: 4px; --sp-xs: 8px; --sp-sm: 12px; --sp-md: 20px; --sp-lg: 32px; --sp-xl: 48px; --sp-2xl: 64px; --sp-3xl: 96px;
  --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 24px;
  --shadow-xs: 0 1px 2px rgba(13,16,8,0.04);
  --shadow-sm: 0 2px 8px rgba(13,16,8,0.06);
  --shadow-md: 0 8px 24px rgba(13,16,8,0.08), 0 2px 6px rgba(13,16,8,0.04);
  --shadow-lg: 0 16px 48px rgba(13,16,8,0.12), 0 4px 12px rgba(13,16,8,0.06);
  --shadow-xl: 0 24px 64px rgba(13,16,8,0.16), 0 6px 16px rgba(13,16,8,0.08);
  --shadow-green: 0 8px 32px rgba(126,194,30,0.25);
  --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body { font-family: var(--font); color: var(--black); background: var(--white); overflow-x: hidden; letter-spacing: -0.01em; position: relative; }
body::before {
  content: ''; position: fixed; inset: 0; z-index: 99999; pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

h1,h2,h3,h4,h5,h6 { letter-spacing: -0.02em; text-wrap: balance; }
::selection { background: var(--green); color: var(--white); }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ─── UTILITIES ─── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.section-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--green); margin-bottom: 14px;
}
.section-label::before { content: ''; width: 28px; height: 2px; background: var(--green); border-radius: 2px; }

.section-title { font-family: var(--font-display); font-size: clamp(26px,2.8vw,40px); font-weight: 800; line-height: 1.15; color: var(--black); position: relative; display: inline-block; }
.section-title::after { content: ''; position: absolute; bottom: -6px; left: 0; width: 48px; height: 3px; background: linear-gradient(90deg,var(--green),var(--orange)); border-radius: 3px; }

.section-subtitle { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-top: 14px; max-width: 680px; }

.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-head.center .section-label { justify-content: center; }
.section-head.center .section-title::after { left: 50%; transform: translateX(-50%); }
.section-head.center .section-subtitle { margin-left: auto; margin-right: auto; }

.section-accent { background: linear-gradient(180deg, var(--bg-alt) 0%, var(--white) 30%); position: relative; }
.section-accent::before {
  content: ''; position: absolute; top: 0; right: 0; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(126,194,30,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hl { color: var(--green); }
.hl2 { color: var(--orange); }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green); color: var(--white);
  padding: 13px 26px; border-radius: 6px; font-size: 14px; font-weight: 600;
  border: none; cursor: pointer; transition: all .22s var(--ease-out);
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(126,194,30,0.35); }
.btn-primary svg { transition: transform .2s; }
.btn-primary:hover svg { transform: translateX(3px); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--black);
  padding: 12px 24px; border-radius: 6px; font-size: 14px; font-weight: 500;
  border: 1.5px solid var(--border); cursor: pointer; transition: all .22s var(--ease-out);
}
.btn-outline:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }

.btn-sm { padding: 9px 18px; font-size: 13px; }

.tag {
  display: inline-block; background: var(--green-light); color: var(--green);
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 4px 10px; border-radius: 4px;
}

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .65s var(--ease-out), transform .65s var(--ease-out); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity .65s var(--ease-out), transform .65s var(--ease-out); }
.reveal-left.visible { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity .65s var(--ease-out), transform .65s var(--ease-out); }
.reveal-right.visible { opacity: 1; transform: none; }

/* ─── ANNOUNCEMENT BAR ─── */
.ann-bar {
  background: var(--black); color: var(--white);
  font-size: 13px; text-align: center; padding: 10px 16px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.ann-bar a { color: var(--orange); font-weight: 700; }
.ann-bar a:hover { text-decoration: underline; }
.ann-tag { background: var(--orange); color: #fff; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 3px; letter-spacing: .5px; }

/* ─── NAVIGATION ─── */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: var(--white); border-bottom: 1px solid var(--border);
  height: var(--nav-h); transition: box-shadow .25s var(--ease-out);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }

/* Touch device dropdown support */
.nav-item.hover-open .mega-dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.navbar .container { height: 100%; }
.nav-inner { display: flex; align-items: center; height: 100%; gap: 0; }

.nav-logo {
  font-family: var(--font-display); font-size: 22px; font-weight: 800;
  color: var(--black); margin-right: auto; white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
}
.nav-logo span { color: var(--green); }
.nav-logo-dot { width: 8px; height: 8px; background: var(--green); border-radius: 50%; display: inline-block; }

.nav-menu { display: flex; align-items: stretch; height: 100%; }
.nav-item { position: relative; display: flex; align-items: center; }
.nav-link {
  display: flex; align-items: center; gap: 5px;
  padding: 0 17px; height: 100%; font-size: 15.5px; font-weight: 500; color: var(--gray-700); letter-spacing: 0.03em;
  white-space: nowrap; transition: color .2s;
  border-bottom: 2px solid transparent;
}
.nav-link:hover, .nav-item:hover > .nav-link { color: var(--green); border-bottom-color: var(--green); }
.nav-link.active { color: var(--green); border-bottom-color: var(--green); }
.nav-link svg { transition: transform .2s; }
.nav-item:hover > .nav-link svg { transform: rotate(180deg); }

.nav-cta { margin-left: 16px; }

/* Mega dropdown */
.mega-dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: var(--white); border: 1px solid var(--border); border-top: 3px solid var(--green);
  box-shadow: 0 20px 60px rgba(0,0,0,0.13);
  width: 760px; border-radius: 0 0 12px 12px; padding: 24px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 24px;
  opacity: 0; visibility: hidden; transform: translateX(-50%) translateY(10px);
  transition: opacity .22s ease, transform .22s ease, visibility .22s ease; z-index: 200;
}
.nav-item:hover .mega-dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

.mega-col-title { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--green); margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); grid-column: span 1; }
.mega-link {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 8px; font-size: 13px; font-weight: 500;
  color: var(--gray-700); transition: all .15s; border-radius: 6px;
  cursor: pointer;
}
.mega-link:hover { color: var(--green); background: var(--green-light); }
.mega-link::before { content: ''; width: 4px; height: 4px; background: var(--green); border-radius: 50%; flex-shrink: 0; opacity: 0; transition: opacity .15s; }
.mega-link:hover::before { opacity: 1; }

.mega-feature {
  grid-column: span 3; margin-top: 8px; padding: 16px 20px;
  background: linear-gradient(135deg, #f8faf4, #f1f5eb);
  border-radius: 10px; display: flex; align-items: center; gap: 16px;
}
.mega-feature-text { flex: 1; }
.mega-feature-title { font-size: 14px; font-weight: 700; color: var(--black); margin-bottom: 2px; }
.mega-feature-desc { font-size: 12px; color: var(--text-muted); }
.mega-feature-btn { white-space: nowrap; }

/* Mobile toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 24px; color: var(--black); padding: 4px 8px; }

/* ─── HERO ─── */
.hero {
  position: relative; overflow: hidden;
  background: url('../picture/hero-bg-dark.jpg') center/cover no-repeat;
  padding: 64px 0 80px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(145deg, rgba(13,18,16,0.75) 0%, rgba(26,33,29,0.60) 40%, rgba(17,24,21,0.75) 100%);
  pointer-events: none; z-index: 1;
}
.hero .hero-title { color: #fff; }
.hero .hero-desc { color: rgba(255,255,255,0.65); }
.hero .hero-badge { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.12); color: rgba(255,255,255,0.8); }
.hero .hero-stat-num { color: #fff; }
.hero .hero-stat-label { color: rgba(255,255,255,0.55); }
.hero .hero-stat-divider { background: rgba(255,255,255,0.15); }
.hero .btn-outline { border-color: rgba(255,255,255,0.25); color: #fff; }
.hero .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.4); }

.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 30px; font-size: 11px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--gray-700);
  margin-bottom: 24px; box-shadow: var(--shadow-xs);
}
.hero-badge-dot { width: 8px; height: 8px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .6; transform: scale(1.3); } }

.hero-title {
  font-family: var(--font-display); font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 20px;
}

.hero-desc { font-size: 16px; color: var(--text-muted); line-height: 1.8; margin-bottom: 28px; max-width: 520px; }

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-stats { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.hero-stat-num { font-family: var(--font-display); font-size: 32px; font-weight: 800; color: var(--black); display: flex; align-items: baseline; }
.hero-stat-num span:last-child { color: var(--green); }
.hero-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.hero-stat-divider { width: 1px; height: 40px; background: var(--border); }

.hero-visual { position: relative; }
.hero-device {
  position: relative; z-index: 2;
  border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero-device img { width: 100%; height: auto; }

/* Hero carousel */
.hero-carousel {
  position: relative; z-index: 2;
  border-radius: var(--r-xl); overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
}
.hero-carousel-track {
  display: flex;
  transition: transform .5s var(--ease-out);
}
.hero-carousel-slide {
  min-width: 100%;
  opacity: 0;
  transition: opacity .5s ease;
  position: relative;
}
.hero-carousel-slide.active {
  opacity: 1;
}
.hero-carousel-slide img {
  width: 100%; height: auto; display: block;
}
.hero-carousel-dots {
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 3;
}
.hero-carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  border: none; background: rgba(255,255,255,0.35);
  cursor: pointer; transition: all .25s;
  padding: 0;
}
.hero-carousel-dot.active {
  background: var(--green); width: 24px; border-radius: 4px;
}

.hero-frame-badge {
  position: absolute; top: 24px; left: -20px; z-index: 3;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px 16px; display: flex; align-items: center; gap: 10px;
  box-shadow: var(--shadow-md); animation: floatY 4s ease-in-out infinite;
}
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.hero-frame-badge-dot { width: 10px; height: 10px; background: var(--orange); border-radius: 50%; box-shadow: 0 0 0 4px rgba(255,133,0,0.2); }
.hero-frame-badge-text { font-size: 13px; font-weight: 700; color: var(--black); }
.hero-frame-badge-sub { font-size: 11px; color: var(--text-muted); }

.hero-orbit {
  position: absolute; bottom: -30px; right: -20px; z-index: 3;
  background: var(--green); color: var(--white);
  border-radius: 16px; padding: 14px 18px; display: flex; align-items: center; gap: 10px;
  box-shadow: var(--shadow-green); animation: floatY 4s ease-in-out infinite .5s;
}
.hero-orbit-icon { font-size: 24px; }
.hero-orbit-text { font-size: 13px; font-weight: 700; line-height: 1.3; }
.hero-orbit-sub { font-size: 11px; opacity: .85; }

/* ─── TRUST BAR ─── */
.trust-bar { background: var(--surface); border-bottom: 1px solid var(--border); padding: 20px 0; }
.trust-bar-inner { display: flex; align-items: center; justify-content: center; gap: 32px; flex-wrap: wrap; }
.trust-bar-label { font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); }
.trust-badges { display: flex; gap: 20px; flex-wrap: wrap; }
.cert-badge { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; color: var(--gray-700); }
.cert-icon { width: 32px; height: 32px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800; color: var(--white); }
.cert-icon.ce { background: #0066CC; }
.cert-icon.fcc { background: #1A73E8; }
.cert-icon.rohs { background: var(--green); }
.cert-icon.fda { background: #003087; }
.cert-icon.iso { background: var(--orange); }
.cert-icon.bsci { background: #6B7280; }

/* ─── PRODUCTS ─── */
.products-section { padding: var(--sp-3xl) 0; }

.product-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.prod-tab {
  padding: 8px 18px; border-radius: 30px; font-size: 13px; font-weight: 600;
  background: var(--bg-alt); color: var(--text-muted); border: 1px solid transparent;
  cursor: pointer; transition: all .2s;
}
.prod-tab:hover { color: var(--green); }
.prod-tab.active { background: var(--green); color: var(--white); }

.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.product-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; transition: all .3s var(--ease-out); display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--green); }
.product-card.featured { grid-column: span 1; }

.prod-img-wrap {
  background: linear-gradient(160deg, #f8faf4 0%, #f1f5eb 100%);
  height: 260px; display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.prod-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease-out); }
.product-card:hover .prod-img-wrap img { transform: scale(1.05); }

.prod-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.prod-tag { display: inline-block; background: var(--green-light); color: var(--green); font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 3px 8px; border-radius: 4px; margin-bottom: 10px; align-self: flex-start; }
.prod-name { font-size: 18px; font-weight: 700; color: var(--black); margin-bottom: 8px; }
.prod-desc { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; flex: 1; }
.prod-specs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.prod-spec { font-size: 11px; font-weight: 600; color: var(--gray-700); background: var(--bg-alt); padding: 4px 10px; border-radius: 4px; }
.prod-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; font-weight: 600; color: var(--green);
  background: none; border: none; cursor: pointer; transition: gap .2s;
  align-self: flex-start;
}
.prod-link:hover { gap: 8px; }

/* ─── USP / FACTORY ─── */
.usp-section { padding: var(--sp-3xl) 0; background: var(--bg-alt); }
.usp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }

.factory-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.factory-card { position: relative; border-radius: var(--r-md); overflow: hidden; }
.factory-card img { width: 100%; height: 160px; object-fit: cover; transition: transform .4s var(--ease-out); }
.factory-card:hover img { transform: scale(1.08); }
.factory-card-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(13,16,8,0.8));
  color: #fff; font-size: 12px; font-weight: 600; padding: 24px 12px 10px;
}

.usp-list { display: flex; flex-direction: column; gap: 20px; }
.usp-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px; background: var(--surface); border-radius: var(--r-md); border: 1px solid var(--border); transition: all .25s var(--ease-out); }
.usp-item:hover { border-color: var(--green); box-shadow: var(--shadow-sm); transform: translateX(4px); }
.usp-item-num { font-family: var(--font-display); font-size: 28px; font-weight: 800; color: var(--green-light); -webkit-text-stroke: 1px var(--green); flex-shrink: 0; line-height: 1; }
.usp-item-title { font-size: 16px; font-weight: 700; color: var(--black); margin-bottom: 4px; }
.usp-item-text { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }

/* ─── PROCESS ─── */
.process-section { padding: var(--sp-3xl) 0; }
.process-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.process-step {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 24px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); transition: all .25s var(--ease-out); position: relative;
}
.process-step:hover { border-color: var(--green); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num {
  width: 44px; height: 44px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white); border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 20px; font-weight: 800;
}
.step-title { font-size: 16px; font-weight: 700; color: var(--black); margin-bottom: 4px; }
.step-desc { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }

/* ─── COMPARE TABLE ─── */
.compare-section { padding: var(--sp-3xl) 0; background: var(--bg-alt); }
.compare-wrap { overflow-x: auto; border-radius: var(--r-lg); box-shadow: var(--shadow-md); }
.compare-table { width: 100%; border-collapse: collapse; background: var(--surface); min-width: 600px; }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
.compare-table th { font-weight: 700; color: var(--black); background: var(--bg-alt); }
.compare-table th.highlight { background: var(--green); color: var(--white); border-radius: 8px 8px 0 0; }
.compare-table td.highlight { background: rgba(126,194,30,0.04); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table .yes { color: var(--green); font-weight: 700; }
.compare-table .no { color: #ccc; }
.compare-table .partial { color: var(--orange); font-weight: 600; }

/* ─── TESTIMONIALS ─── */
.testimonials-section { padding: var(--sp-3xl) 0; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 28px; transition: all .25s var(--ease-out); position: relative;
}
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.testimonial-quote { font-size: 36px; color: var(--green); opacity: 0.2; line-height: 1; margin-bottom: 8px; font-family: Georgia, serif; }
.testimonial-text { font-size: 14px; color: var(--gray-700); line-height: 1.7; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--green), var(--orange)); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 16px; }
.testimonial-name { font-size: 14px; font-weight: 700; color: var(--black); }
.testimonial-role { font-size: 12px; color: var(--text-muted); }
.testimonial-stars { color: var(--orange); font-size: 14px; margin-bottom: 8px; letter-spacing: 2px; }

/* ─── BLOGS ─── */
.blogs-section { padding: var(--sp-3xl) 0; background: var(--bg-alt); }
.blogs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; transition: all .3s var(--ease-out); display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.blog-img { height: 180px; overflow: hidden; }
.blog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease-out); }
.blog-card:hover .blog-img img { transform: scale(1.06); }
.blog-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.blog-meta { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; }
.blog-cat { font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--green); background: var(--green-light); padding: 3px 8px; border-radius: 4px; }
.blog-date { font-size: 12px; color: var(--text-muted); }
.blog-title { font-size: 17px; font-weight: 700; color: var(--black); margin-bottom: 8px; line-height: 1.4; }
.blog-excerpt { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; flex: 1; margin-bottom: 14px; }
.blog-link { font-size: 13px; font-weight: 600; color: var(--green); display: inline-flex; align-items: center; gap: 4px; transition: gap .2s; }
.blog-link:hover { gap: 8px; }

/* ─── FAQ ─── */
.faq-section { padding: var(--sp-3xl) 0; }
.faq-inner { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: start; }
.faq-intro-title { font-family: var(--font-display); font-size: clamp(26px,2.8vw,36px); font-weight: 800; line-height: 1.2; color: var(--black); margin-bottom: 14px; }
.faq-intro-text { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 24px; }

.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; transition: all .25s var(--ease-out); }
.faq-item.open { border-color: var(--green); box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 20px; font-size: 15px; font-weight: 600; color: var(--black);
  background: none; border: none; cursor: pointer; text-align: left; transition: color .2s;
}
.faq-q:hover { color: var(--green); }
.faq-toggle { width: 28px; height: 28px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--green); transition: transform .25s var(--ease-out); }
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease-out); }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner { padding: 0 20px 18px; font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ─── CONTACT ─── */
.contact-section { padding: var(--sp-3xl) 0; background: var(--bg-alt); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info-title { font-family: var(--font-display); font-size: clamp(26px,2.8vw,36px); font-weight: 800; line-height: 1.2; color: var(--black); margin-bottom: 14px; }
.contact-info-desc { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 24px; }

.contact-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.contact-feature { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--gray-700); }
.contact-feature-icon { width: 32px; height: 32px; background: var(--green-light); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }

.contact-details { display: flex; flex-direction: column; gap: 8px; padding-top: 20px; border-top: 1px solid var(--border); }
.contact-detail { font-size: 14px; color: var(--gray-700); }
.contact-detail-label { font-weight: 600; color: var(--black); }

.contact-form { background: var(--surface); border-radius: var(--r-lg); padding: 32px; box-shadow: var(--shadow-md); }
.form-title { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--black); margin-bottom: 4px; }
.form-subtitle { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: span 2; }
.form-label { font-size: 13px; font-weight: 600; color: var(--black); }
.req { color: #e53935; }
.form-input, .form-select, .form-textarea {
  padding: 11px 14px; border: 1.5px solid var(--border); border-radius: var(--r-sm);
  font-size: 14px; font-family: var(--font); color: var(--black); background: var(--white);
  transition: border-color .2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--green); }
.form-textarea { resize: vertical; min-height: 90px; }
.form-submit {
  grid-column: span 2; margin-top: 8px; width: 100%; justify-content: center;
}
.form-success { display: none; text-align: center; padding: 40px 20px; }
.form-success.show { display: block; }
.form-success-icon { width: 64px; height: 64px; background: var(--green-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 32px; color: var(--green); }
.form-success h3 { color: var(--green); margin-bottom: 8px; }

/* Form error state */
.form-input.form-error, .form-select.form-error, .form-textarea.form-error {
  border-color: #e53935; background: #fef5f5;
  animation: shake 0.3s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ─── FOOTER ─── */
.footer { background: var(--black); color: rgba(255,255,255,0.7); padding: var(--sp-2xl) 0 0; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr; gap: 32px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand-name { font-family: var(--font-display); font-size: 26px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-brand-name span { color: var(--green); }
.footer-brand-desc { font-size: 13px; line-height: 1.7; margin-bottom: 20px; max-width: 320px; }
.footer-socials { display: flex; gap: 10px; margin-bottom: 20px; }
.social-btn { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 14px; font-weight: 600; transition: all .2s; }
.social-btn:hover { background: var(--green); transform: translateY(-2px); }
.footer-cert-row { display: flex; gap: 6px; flex-wrap: wrap; }
.footer-cert { font-size: 10px; font-weight: 700; padding: 4px 8px; border: 1px solid rgba(255,255,255,0.15); border-radius: 4px; color: rgba(255,255,255,0.5); }
.footer-col-title { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link { font-size: 13px; color: rgba(255,255,255,0.5); transition: color .2s; }
.footer-link:hover { color: var(--green); }
.footer-newsletter { margin-top: 4px; }
.newsletter-input-wrap { display: flex; gap: 0; }
.newsletter-input { flex: 1; padding: 10px 14px; border: 1px solid rgba(255,255,255,0.15); border-right: none; border-radius: 6px 0 0 6px; background: rgba(255,255,255,0.05); color: #fff; font-size: 13px; }
.newsletter-input::placeholder { color: rgba(255,255,255,0.3); }
.newsletter-input:focus { outline: none; border-color: var(--green); }
.newsletter-btn { padding: 10px 18px; background: var(--green); color: #fff; border: none; border-radius: 0 6px 6px 0; font-size: 13px; font-weight: 600; cursor: pointer; transition: background .2s; }
.newsletter-btn:hover { background: var(--green-dark); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-size: 13px; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,0.4); transition: color .2s; }
.footer-bottom-links a:hover { color: var(--green); }

/* ─── FLOATING WHATSAPP ─── */
.wa-chat-btn {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  display: flex; align-items: center; gap: 10px;
  background: #25D366; color: #fff; padding: 12px 18px 12px 14px;
  border-radius: 40px; box-shadow: 0 8px 32px rgba(37,211,102,0.4);
  transition: all .25s var(--ease-out);
}
.wa-chat-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(37,211,102,0.5); }
.wa-chat-btn svg { width: 26px; height: 26px; fill: #fff; flex-shrink: 0; }
.wa-chat-label { display: flex; flex-direction: column; font-size: 14px; font-weight: 700; line-height: 1.2; }
.wa-chat-label small { font-size: 11px; font-weight: 400; opacity: 0.9; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 480px; }
  .usp-grid { grid-template-columns: 1fr; gap: 40px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .blogs-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .mega-dropdown { width: 600px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 56px; }
  .nav-menu {
    position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
    background: var(--white); flex-direction: column; align-items: stretch;
    padding: 20px; gap: 0; overflow-y: auto;
    transform: translateX(100%); transition: transform .3s var(--ease-out);
    z-index: 999;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-item { height: auto; border-bottom: 1px solid var(--border); }
  .nav-link { padding: 14px 0; font-size: 16px; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; margin-left: auto; }

  .mega-dropdown {
    position: static; width: 100%; transform: none; box-shadow: none;
    border: none; border-top: 1px solid var(--border); padding: 12px 0;
    grid-template-columns: 1fr; gap: 0; opacity: 1; visibility: visible;
    display: none;
  }
  .nav-item:hover .mega-dropdown { display: none; }
  .nav-item.mobile-open .mega-dropdown { display: grid; opacity: 1; visibility: visible; transform: none; }

  .hero { padding: 40px 0 56px; }
  .hero-stats { gap: 16px; }
  .hero-stat-divider { display: none; }
  .hero-frame-badge { left: 0; }

  .products-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .blogs-grid { grid-template-columns: 1fr; }
  .faq-inner { grid-template-columns: 1fr; gap: 32px; }
  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full, .form-submit { grid-column: span 1; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .wa-chat-label { display: none; }
  .wa-chat-btn { padding: 12px; }
}

/* ─── PAGE BANNER (sub-pages) ─── */
.page-banner {
  position: relative; overflow: hidden;
  background: url('../picture/hero-bg-dark.jpg') center/cover no-repeat;
  padding: 120px 0 64px;
}
.page-banner::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(145deg, rgba(13,18,16,0.88) 0%, rgba(26,33,29,0.72) 40%, rgba(17,24,21,0.88) 100%);
  pointer-events: none; z-index: 1;
}
.page-banner-content { position: relative; z-index: 2; }
.page-banner-title {
  font-family: var(--font-display); font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800; color: #fff; margin-bottom: 12px; line-height: 1.2;
}
.page-banner-desc { font-size: 16px; color: rgba(255,255,255,0.65); max-width: 600px; line-height: 1.7; }
.page-banner .breadcrumb { display: flex; gap: 6px; align-items: center; font-size: 12px; color: rgba(255,255,255,0.45); margin-bottom: 16px; }
.page-banner .breadcrumb a { color: rgba(255,255,255,0.65); transition: color .2s; }
.page-banner .breadcrumb a:hover { color: var(--green); }
.page-banner .breadcrumb span { color: var(--green); }

/* ─── ABOUT PAGE ─── */
.about-story-section { padding: var(--sp-3xl) 0; }
.about-story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-story-img { border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-story-img img { width: 100%; height: auto; display: block; }
.about-timeline { padding: var(--sp-3xl) 0; background: var(--bg-alt); }
.timeline-list { display: flex; flex-direction: column; gap: 0; position: relative; }
.timeline-list::before { content: ''; position: absolute; left: 19px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { display: flex; gap: 20px; padding-bottom: 32px; position: relative; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot { width: 40px; height: 40px; flex-shrink: 0; border-radius: 50%; background: var(--green); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 14px; z-index: 1; box-shadow: 0 0 0 6px var(--bg-alt); }
.timeline-year { font-size: 12px; font-weight: 600; color: var(--green); margin-bottom: 4px; }
.timeline-title { font-size: 16px; font-weight: 700; color: var(--black); margin-bottom: 4px; }
.timeline-desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.about-values { padding: var(--sp-3xl) 0; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card { text-align: center; padding: 28px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); transition: all .25s var(--ease-out); }
.value-card:hover { border-color: var(--green); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.value-card-icon { width: 56px; height: 56px; margin: 0 auto 16px; background: var(--green-light); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 28px; }
.value-card-title { font-size: 15px; font-weight: 700; color: var(--black); margin-bottom: 6px; }
.value-card-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ─── PRODUCT DETAIL PAGE ─── */
.prod-detail-section { padding: var(--sp-3xl) 0; }
.prod-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.prod-detail-img { border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.prod-detail-img img { width: 100%; height: auto; display: block; }
.prod-detail-info-title { font-family: var(--font-display); font-size: clamp(28px, 3vw, 40px); font-weight: 800; color: var(--black); margin-bottom: 8px; }
.prod-detail-tag { display: inline-block; background: var(--green-light); color: var(--green); font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 4px 10px; border-radius: 4px; margin-bottom: 16px; }
.prod-detail-desc { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 24px; }
.prod-detail-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 28px; }
.prod-detail-spec { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--gray-700); }
.prod-detail-spec-icon { width: 32px; height: 32px; flex-shrink: 0; background: var(--green-light); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.prod-detail-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.prod-features-section { padding: var(--sp-3xl) 0; background: var(--bg-alt); }
.prod-features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.prod-feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; transition: all .25s var(--ease-out); }
.prod-feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.prod-feature-icon { font-size: 32px; margin-bottom: 12px; }
.prod-feature-title { font-size: 15px; font-weight: 700; color: var(--black); margin-bottom: 6px; }
.prod-feature-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ─── BLOG DETAIL PAGE ─── */
.blog-detail-section { padding: var(--sp-3xl) 0; }
.blog-detail-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.blog-detail-article { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 32px; }
.blog-detail-featured { border-radius: var(--r-lg); overflow: hidden; margin-bottom: 28px; }
.blog-detail-featured img { width: 100%; height: auto; display: block; }
.blog-detail-header { margin-bottom: 24px; }
.blog-detail-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; font-size: 13px; color: var(--text-muted); }
.blog-detail-title { font-family: var(--font-display); font-size: clamp(24px, 2.5vw, 34px); font-weight: 800; color: var(--black); line-height: 1.3; }
.blog-detail-content { font-size: 15px; color: var(--gray-700); line-height: 1.9; }
.blog-detail-content h3 { font-size: 20px; font-weight: 700; color: var(--black); margin: 28px 0 12px; }
.blog-detail-content p { margin-bottom: 16px; }
.blog-detail-content ul { margin: 0 0 16px 20px; }
.blog-detail-content ul li { margin-bottom: 8px; }
.blog-detail-content blockquote { border-left: 3px solid var(--green); padding: 12px 20px; margin: 20px 0; background: var(--bg-alt); border-radius: 0 var(--r-sm) var(--r-sm) 0; font-style: italic; color: var(--text-muted); }
.blog-sidebar { display: flex; flex-direction: column; gap: 24px; }
.blog-sidebar-widget { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; }
.blog-sidebar-title { font-size: 16px; font-weight: 700; color: var(--black); margin-bottom: 14px; }
.blog-sidebar-list { display: flex; flex-direction: column; gap: 10px; }
.blog-sidebar-item { font-size: 13px; color: var(--gray-700); line-height: 1.5; transition: color .2s; cursor: pointer; }
.blog-sidebar-item:hover { color: var(--green); }
.blog-sidebar-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.blog-sidebar-tag { font-size: 11px; font-weight: 600; color: var(--text-muted); background: var(--bg-alt); padding: 5px 10px; border-radius: 4px; transition: all .2s; cursor: pointer; }
.blog-sidebar-tag:hover { background: var(--green); color: #fff; }

/* ─── FAQ PAGE ─── */
.faq-page-section { padding: var(--sp-3xl) 0; }
.faq-categories { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.faq-cat-btn { padding: 8px 18px; border-radius: 30px; font-size: 13px; font-weight: 600; background: var(--bg-alt); color: var(--text-muted); border: 1px solid transparent; cursor: pointer; transition: all .2s; }
.faq-cat-btn:hover { color: var(--green); }
.faq-cat-btn.active { background: var(--green); color: var(--white); }
.faq-page-list { max-width: 800px; margin: 0 auto; }

/* ─── PRODUCTS PAGE ─── */
.products-page-section { padding: var(--sp-3xl) 0; }

/* ─── BLOGS PAGE ─── */
.blogs-page-section { padding: var(--sp-3xl) 0; }

/* ─── CONTACT PAGE ─── */
.contact-page-section { padding: var(--sp-3xl) 0; }

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 12px; }
  .factory-gallery { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
  .about-story-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-detail-grid { grid-template-columns: 1fr; }
  .prod-features-grid { grid-template-columns: 1fr; }
  .blog-detail-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .values-grid { grid-template-columns: 1fr; }
  .prod-detail-specs { grid-template-columns: 1fr; }
}