/* ── DESIGN SYSTEM TOKENS ── */
:root {
  /* Surface */
  --surface: #f9f9ff;
  --surface-dim: #d4daea;
  --surface-bright: #f9f9ff;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f1f3ff;
  --surface-container: #e8eeff;
  --surface-container-high: #e3e8f9;
  --surface-container-highest: #dde2f3;
  --on-surface: #161c27;
  --on-surface-variant: #404751;
  --inverse-surface: #2a303d;
  --inverse-on-surface: #ecf0ff;
  --outline: #717783;
  --outline-variant: #c0c7d3;
  /* Primary */
  --primary: #005e9f;
  --on-primary: #ffffff;
  --primary-container: #0077c8;
  --on-primary-container: #fbfbff;
  --inverse-primary: #9fcaff;
  /* Secondary */
  --secondary: #545f72;
  --on-secondary: #ffffff;
  --secondary-container: #d5e0f7;
  --on-secondary-container: #586377;
  /* Tertiary */
  --tertiary: #555c62;
  --on-tertiary: #ffffff;
  --tertiary-container: #6e747b;
  /* Error */
  --error: #ba1a1a;
  --error-container: #ffdad6;
  /* Semantic Status */
  --status-ok:   #1a7f52;
  --status-warn: #b45309;
  --status-crit: #ba1a1a;
  --status-ok-bg:   #d1fae5;
  --status-warn-bg: #fef3c7;
  --status-crit-bg: #ffdad6;
  /* Background */
  --background: #f9f9ff;
  --on-background: #161c27;
  /* Typography */
  --font: 'Inter', sans-serif;
  /* Radius */
  --r-sm: 2px;
  --r: 4px;
  --r-md: 6px;
  --r-lg: 8px;
  --r-xl: 12px;
  --r-full: 9999px;
  /* Spacing */
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-2xl: 48px;
  --sp-3xl: 64px;
  --sp-4xl: 96px;
  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(0,30,80,0.07), 0 1px 2px rgba(0,30,80,0.04);
  --shadow-md: 0 4px 12px rgba(0,30,80,0.08);
  --shadow-float: 0 8px 32px rgba(0,30,80,0.12);
  /* Sanipure brand accent */
  --brand: #005e9f;
  --brand-dark: #003f70;
  --brand-light: #e8f2ff;
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--background); color: var(--on-surface); overflow-x: hidden; }
img { display: block; width: 100%; object-fit: cover; }
a { text-decoration: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--surface-container-low); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: var(--r-full); }

/* ── UTILITY ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--sp-xl); }
@media (max-width: 768px) { .container { padding: 0 var(--sp-md); } }

.label-caps {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}
.label-caps::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: var(--r-full);
  flex-shrink: 0;
}

.display { font-size: clamp(32px,5vw,56px); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; color: var(--on-surface); }
.headline-lg { font-size: 24px; font-weight: 600; line-height: 1.3; }
.headline-md { font-size: 20px; font-weight: 600; line-height: 1.4; }
.body-lg { font-size: 16px; font-weight: 400; line-height: 1.5; color: var(--on-surface-variant); }
.body-md { font-size: 14px; font-weight: 400; line-height: 1.5; color: var(--on-surface-variant); }
.data-mono { font-size: 14px; font-weight: 500; line-height: 1; font-variant-numeric: tabular-nums; }

/* Status chips */
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 4px 10px; border-radius: var(--r-full);
}
.chip-ok { background: var(--status-ok-bg); color: var(--status-ok); }
.chip-blue { background: var(--surface-container); color: var(--primary); }
.chip-warn { background: var(--status-warn-bg); color: var(--status-warn); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-sm);
  font-family: var(--font); font-size: 14px; font-weight: 600;
  padding: 12px 24px; border-radius: var(--r-md); border: none; cursor: pointer;
  transition: all 0.2s; text-decoration: none; line-height: 1;
}
.btn-primary {
  background: linear-gradient(180deg, var(--primary) 0%, var(--brand-dark) 100%);
  color: var(--on-primary);
  box-shadow: 0 2px 8px rgba(0,94,159,0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,94,159,0.4); }

.btn-ghost {
  background: transparent; color: var(--primary);
  border: 1.5px solid var(--outline-variant);
}
.btn-ghost:hover { border-color: var(--primary); background: var(--brand-light); }

.btn-wa {
  background: #25D366; color: #fff;
  box-shadow: 0 2px 8px rgba(37,211,102,0.25);
}
.btn-wa:hover { background: #20ba59; transform: translateY(-1px); }

/* Cards */
.card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }

/* Divider */
.divider { height: 1px; background: var(--outline-variant); margin: var(--sp-xl) 0; }

/* Section spacing */
.section { padding: var(--sp-4xl) 0; }
.section-header { margin-bottom: var(--sp-3xl); }

/* ── TOPBAR ── */
.topbar {
  background: var(--primary);
  padding: 8px 0;
}
.topbar-inner {
  display: flex; justify-content: space-between; align-items: center;
}
.topbar a {
  font-size: 12px; font-weight: 500; color: rgba(255,255,255,0.9);
  display: flex; align-items: center; gap: 6px; transition: color 0.2s;
}
.topbar a:hover { color: #fff; }
.topbar-left { display: flex; gap: var(--sp-xl); }
.topbar-right { font-size: 12px; color: rgba(255,255,255,0.7); font-weight: 400; letter-spacing: 0.02em; }

/* ── HEADER ── */
.site-header {
  position: sticky;
  top: 0; z-index: 100;
  background: rgba(249,249,255,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--outline-variant);
  transition: box-shadow 0.3s;
}
.site-header.elevated { box-shadow: var(--shadow-md); }
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.nav-logo {
  display: flex; align-items: center; gap: var(--sp-sm);
  font-size: 18px; font-weight: 800; color: var(--on-surface);
  letter-spacing: -0.02em;
}
.nav-logo-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--brand-dark) 100%);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 15px;
  box-shadow: 0 2px 8px rgba(0,94,159,0.25);
}
.nav-logo span { color: var(--primary); }
.main-nav { display: flex; gap: var(--sp-xl); align-items: center; }
.main-nav a {
  font-size: 14px; font-weight: 500; color: var(--on-surface-variant);
  transition: color 0.2s; position: relative; padding-bottom: 2px;
}
.main-nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--primary); border-radius: var(--r-full);
  transition: width 0.25s;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { width: 100%; }
.nav-cta { display: flex; gap: var(--sp-sm); }

/* ── HERO ── */
.hero {
  background: var(--surface-container-lowest);
  border-bottom: 1px solid var(--outline-variant);
  padding: 72px 0 64px;
  position: relative;
  overflow: hidden;
}

/* Subtle technical grid background */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--outline-variant) 1px, transparent 1px),
    linear-gradient(90deg, var(--outline-variant) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 50%, black 30%, transparent 80%);
}

/* Blue gradient radial on left */
.hero::after {
  content: '';
  position: absolute;
  top: -100px; left: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(ellipse, rgba(0,94,159,0.07) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative; z-index: 1;
}

.hero-eyebrow { margin-bottom: var(--sp-md); }

.hero-h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--on-surface);
  margin-bottom: var(--sp-lg);
}
.hero-h1 em { font-style: normal; color: var(--primary); }
.hero-h1 .line2 { color: var(--on-surface-variant); font-weight: 300; }

.hero-sub {
  font-size: 16px; line-height: 1.6; color: var(--on-surface-variant);
  margin-bottom: var(--sp-xl);
  max-width: 480px;
}

.hero-tags {
  display: flex; flex-wrap: wrap; gap: var(--sp-sm);
  margin-bottom: var(--sp-xl);
}
.hero-tag {
  font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 5px 12px; border-radius: var(--r-full);
  border: 1.5px solid var(--outline-variant);
  color: var(--on-surface-variant);
  background: var(--surface-container-lowest);
  transition: all 0.2s;
}
.hero-tag.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--brand-light);
}

.hero-cta { display: flex; gap: var(--sp-md); flex-wrap: wrap; align-items: center; }

/* Hero right */
.hero-visual { display: flex; flex-direction: column; gap: var(--sp-md); }

.hero-img-wrap {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-float);
  aspect-ratio: 4/3;
  background: var(--surface-container-high);
}
.hero-img-wrap img { width: 100%; height: 100%; object-fit: cover; }

/* Overlay badge */
.img-badge {
  position: absolute; bottom: var(--sp-md); left: var(--sp-md);
  background: rgba(249,249,255,0.9);
  backdrop-filter: blur(10px);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r-md);
  padding: 10px 14px;
  display: flex; gap: 10px; align-items: center;
}
.img-badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--status-ok); flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(26,127,82,0.2);
  animation: pulse-green 2s ease-in-out infinite;
}
@keyframes pulse-green {
  0%,100% { box-shadow: 0 0 0 3px rgba(26,127,82,0.2); }
  50% { box-shadow: 0 0 0 6px rgba(26,127,82,0.1); }
}
.img-badge-text { font-size: 12px; font-weight: 600; color: var(--on-surface); line-height: 1.2; }
.img-badge-text span { display: block; font-size: 10px; font-weight: 400; color: var(--on-surface-variant); }

/* Hero stats row */
.hero-stats {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 2px; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-sm);
}
.hero-stat {
  background: var(--surface-container-lowest);
  padding: var(--sp-md) var(--sp-md);
  text-align: center;
  border-right: 1px solid var(--outline-variant);
  transition: background 0.2s;
}
.hero-stat:last-child { border-right: none; }
.hero-stat:hover { background: var(--brand-light); }
.hero-stat-num {
  font-size: 28px; font-weight: 800; color: var(--primary);
  font-variant-numeric: tabular-nums; line-height: 1; margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.hero-stat-label { font-size: 10px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--on-surface-variant); }

/* ── MARQUEE ── */
.marquee-wrap {
  background: linear-gradient(135deg, var(--primary) 0%, var(--brand-dark) 100%);
  overflow: hidden; padding: 12px 0;
}
.marquee-track {
  display: flex; gap: 0;
  animation: marqueeRun 24s linear infinite;
  width: max-content;
}
.marquee-item {
  font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(255,255,255,0.9); padding: 0 28px; white-space: nowrap;
  display: flex; align-items: center; gap: 28px;
}
.marquee-sep { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,0.4); }
@keyframes marqueeRun {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── INTRO SECTION ── */
.sec-intro { padding: var(--sp-4xl) 0; background: var(--surface); }
.intro-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}

.intro-text h2 { margin: var(--sp-md) 0 0; }
.intro-text .body-lg { margin-top: var(--sp-lg); }

.adv-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2px; margin-top: var(--sp-xl);
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-sm);
}
.adv-item {
  background: var(--surface-container-lowest);
  padding: var(--sp-lg) var(--sp-md);
  transition: background 0.2s;
  border-bottom: 1px solid var(--outline-variant);
}
.adv-item:nth-child(3), .adv-item:nth-child(4) { border-bottom: none; }
.adv-item:nth-child(odd) { border-right: 1px solid var(--outline-variant); }
.adv-item:hover { background: var(--brand-light); }
.adv-num {
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--primary); margin-bottom: var(--sp-sm);
}
.adv-title { font-size: 13px; font-weight: 600; color: var(--on-surface); margin-bottom: 4px; }
.adv-text { font-size: 12px; color: var(--on-surface-variant); line-height: 1.5; }

/* Sidebar */
.use-cases { display: flex; flex-direction: column; gap: 0; }
.use-case-item {
  display: flex; gap: var(--sp-md); align-items: flex-start;
  padding: var(--sp-lg) 0; border-bottom: 1px solid var(--outline-variant);
  transition: all 0.2s;
}
.use-case-item:first-child { padding-top: 0; }
.use-case-num {
  width: 28px; height: 28px; border-radius: var(--r-md);
  background: var(--surface-container);
  color: var(--primary); font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 2px;
}
.use-case-body h4 { font-size: 14px; font-weight: 600; color: var(--on-surface); margin-bottom: 4px; }
.use-case-body p { font-size: 13px; color: var(--on-surface-variant); line-height: 1.5; }

/* Spec panel */
.spec-panel {
  margin-top: var(--sp-xl);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.spec-panel-head {
  background: linear-gradient(135deg, var(--primary) 0%, var(--brand-dark) 100%);
  padding: var(--sp-md) var(--sp-lg);
  display: flex; justify-content: space-between; align-items: center;
}
.spec-panel-head span:first-child {
  font-size: 12px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: #fff;
}
.spec-panel-head span:last-child { font-size: 11px; color: rgba(255,255,255,0.7); }
.spec-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px var(--sp-lg); border-bottom: 1px solid var(--outline-variant);
  transition: background 0.2s;
}
.spec-row:last-child { border-bottom: none; }
.spec-row:hover { background: var(--surface-container-low); }
.spec-key { font-size: 12px; color: var(--on-surface-variant); }
.spec-val { font-size: 12px; font-weight: 600; color: var(--primary); font-variant-numeric: tabular-nums; }

/* ── CTA BAND ── */
.cta-band {
  background: linear-gradient(135deg, var(--primary) 0%, var(--brand-dark) 100%);
  padding: 60px 0; position: relative; overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; right: -80px; top: -80px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}
.cta-band-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 60px;
}
.cta-band h2 { font-size: clamp(24px,3vw,40px); font-weight: 700; color: #fff; line-height: 1.2; letter-spacing: -0.02em; max-width: 560px; }
.cta-band-btns { display: flex; gap: var(--sp-md); flex-wrap: wrap; flex-shrink: 0; }
.btn-white { background: #fff; color: var(--primary); font-weight: 700; }
.btn-white:hover { background: rgba(255,255,255,0.92); transform: translateY(-1px); }
.btn-outline-white { background: transparent; border: 2px solid rgba(255,255,255,0.4); color: #fff; font-weight: 600; }
.btn-outline-white:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

/* ── RANGE / PRODUCTS ── */
.sec-range { padding: var(--sp-4xl) 0; background: var(--surface-container-low); }
.range-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: var(--sp-md);
}
.range-card { background: var(--surface-container-lowest); border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--outline-variant); transition: all 0.25s; display: flex; flex-direction: column; }
.range-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.range-card-img { aspect-ratio: 4/3; background: var(--surface-container-high); transition: transform 0.4s; }
.range-card:hover .range-card-img { transform: scale(1.04); }
.range-card-body { padding: var(--sp-lg) var(--sp-md); flex: 1; display: flex; flex-direction: column; }
.range-card-label { font-size: 10px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--primary); margin-bottom: var(--sp-sm); }
.range-card-title { font-size: 15px; font-weight: 600; color: var(--on-surface); margin-bottom: var(--sp-sm); line-height: 1.3; }
.range-card-desc { font-size: 13px; color: var(--on-surface-variant); line-height: 1.6; flex: 1; margin-bottom: var(--sp-md); }
.range-card-link { font-size: 12px; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; color: var(--primary); display: flex; align-items: center; gap: 6px; transition: gap 0.2s; }
.range-card:hover .range-card-link { gap: 10px; }

/* ── ENGINEERING ── */
.sec-eng { padding: var(--sp-4xl) 0; background: var(--surface); }
.eng-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; align-items: start; }

.eng-tiles { display: flex; flex-direction: column; gap: 2px; margin-top: var(--sp-xl); }
.eng-tile {
  display: flex; gap: var(--sp-md); align-items: flex-start;
  padding: var(--sp-lg) var(--sp-md);
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-left: 3px solid transparent;
  border-radius: var(--r-md);
  transition: all 0.2s;
}
.eng-tile:hover { border-left-color: var(--primary); background: var(--brand-light); }
.eng-tile-icon {
  width: 36px; height: 36px; border-radius: var(--r-md);
  background: var(--surface-container); display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.eng-tile h4 { font-size: 14px; font-weight: 600; color: var(--on-surface); margin-bottom: 4px; }
.eng-tile p { font-size: 13px; color: var(--on-surface-variant); line-height: 1.6; }

/* Data table */
.data-table {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--outline-variant);
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.data-table th {
  background: linear-gradient(135deg, var(--primary) 0%, var(--brand-dark) 100%);
  color: rgba(255,255,255,0.9); text-align: left;
  padding: 12px var(--sp-md);
  font-size: 10px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase;
}
.data-table td {
  padding: 14px var(--sp-md); border-bottom: 1px solid var(--outline-variant);
  font-size: 13px; font-weight: 500; color: var(--on-surface); font-variant-numeric: tabular-nums;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:nth-child(even) td { background: var(--surface-container-low); }
.data-table tr:hover td { background: var(--brand-light); }

.finish-section { margin: var(--sp-xl) 0; }
.finish-section h4 { font-size: 10px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--on-surface-variant); margin-bottom: var(--sp-md); }
.finish-pills { display: flex; flex-wrap: wrap; gap: var(--sp-sm); }
.finish-pill {
  font-size: 12px; font-weight: 500; padding: 6px 14px;
  border: 1px solid var(--outline-variant); border-radius: var(--r-full);
  color: var(--on-surface-variant); background: var(--surface-container-lowest);
  transition: all 0.2s; cursor: default;
}
.finish-pill:hover { border-color: var(--primary); color: var(--primary); background: var(--brand-light); }

.certs { display: flex; flex-direction: column; gap: 2px; }
.cert-item {
  display: flex; align-items: center; gap: var(--sp-md);
  padding: 12px var(--sp-md);
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r-md);
}
.cert-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--status-ok); flex-shrink: 0; }
.cert-text { font-size: 13px; color: var(--on-surface-variant); line-height: 1.5; }

/* ── FEATURES ── */
.sec-features { padding: var(--sp-4xl) 0; background: var(--surface-container-low); }
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }

.features-items { margin-top: var(--sp-xl); display: flex; flex-direction: column; gap: 0; }
.feature-item {
  padding: var(--sp-lg) 0; border-bottom: 1px solid var(--outline-variant);
  display: grid; grid-template-columns: 40px 1fr; gap: var(--sp-md); align-items: start;
  transition: all 0.2s;
}
.feature-item:first-child { border-top: 1px solid var(--outline-variant); }
.feature-icon {
  width: 36px; height: 36px; border-radius: var(--r-md);
  background: var(--surface-container);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0; transition: background 0.2s;
}
.feature-item:hover .feature-icon { background: var(--primary); }
.feature-item h4 { font-size: 14px; font-weight: 600; color: var(--on-surface); margin-bottom: 4px; }
.feature-item p { font-size: 13px; color: var(--on-surface-variant); line-height: 1.6; }

.custom-cards { display: flex; flex-direction: column; gap: var(--sp-md); }
.custom-card {
  background: var(--surface-container-lowest); border: 1px solid var(--outline-variant);
  border-radius: var(--r-lg); padding: var(--sp-lg) var(--sp-xl); transition: all 0.2s;
}
.custom-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.custom-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--sp-sm); }
.custom-card-head h4 { font-size: 14px; font-weight: 600; color: var(--on-surface); }
.badge {
  font-size: 10px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 3px 9px; border-radius: var(--r-full);
  background: var(--surface-container); color: var(--primary);
  border: 1px solid var(--outline-variant);
}
.badge-std { background: var(--status-ok-bg); color: var(--status-ok); border: none; }
.badge-proj { background: var(--status-warn-bg); color: var(--status-warn); border: none; }
.custom-card p { font-size: 13px; color: var(--on-surface-variant); line-height: 1.6; }

/* ── WHY ── */
.sec-why { padding: var(--sp-4xl) 0; background: var(--surface); }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }

.why-left h2 { margin: var(--sp-md) 0 var(--sp-lg); }
.why-left .body-lg { margin-bottom: var(--sp-md); }

.why-reasons { margin-top: var(--sp-xl); display: flex; flex-direction: column; gap: 2px; }
.why-reason {
  display: flex; gap: var(--sp-md); align-items: flex-start;
  padding: 14px var(--sp-md);
  background: var(--surface-container-lowest); border: 1px solid var(--outline-variant);
  border-radius: var(--r-md); transition: all 0.2s;
}
.why-reason:hover { background: var(--brand-light); border-color: var(--primary); }
.why-check {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--status-ok-bg); border: 1.5px solid var(--status-ok);
  color: var(--status-ok); display: flex; align-items: center; justify-content: center;
  font-size: 11px; flex-shrink: 0; margin-top: 1px;
}
.why-reason span { font-size: 13px; color: var(--on-surface); line-height: 1.5; font-weight: 500; }

/* Support section */
.support-header { margin-bottom: var(--sp-lg); }
.support-header h3 { font-size: 22px; font-weight: 700; color: var(--on-surface); line-height: 1.3; margin-top: var(--sp-md); }
.support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--outline-variant); }
.support-card {
  background: var(--surface-container-lowest); padding: var(--sp-lg);
  border-right: 1px solid var(--outline-variant); border-bottom: 1px solid var(--outline-variant);
  transition: background 0.2s;
}
.support-card:nth-child(even) { border-right: none; }
.support-card:nth-child(3), .support-card:nth-child(4) { border-bottom: none; }
.support-card:hover { background: var(--brand-light); }
.support-icon {
  width: 40px; height: 40px; border-radius: var(--r-md);
  background: var(--surface-container); display: flex; align-items: center; justify-content: center;
  font-size: 18px; margin-bottom: var(--sp-md);
}
.support-card h4 { font-size: 13px; font-weight: 700; color: var(--on-surface); margin-bottom: 6px; }
.support-card p { font-size: 12px; color: var(--on-surface-variant); line-height: 1.6; }

.global-notice {
  margin-top: var(--sp-md);
  padding: var(--sp-md) var(--sp-lg);
  background: var(--brand-light);
  border: 1px solid rgba(0,94,159,0.2);
  border-radius: var(--r-md);
  display: flex; gap: var(--sp-md); align-items: flex-start;
}
.global-notice-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.global-notice strong { font-size: 13px; font-weight: 700; color: var(--primary); display: block; margin-bottom: 4px; }
.global-notice p { font-size: 12px; color: var(--on-surface-variant); line-height: 1.5; }

/* ── CONTACT ── */
.sec-contact { padding: var(--sp-4xl) 0; background: var(--surface-container-low); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }

.contact-left h2 { margin: var(--sp-md) 0 var(--sp-lg); }
.contact-left .body-lg { margin-bottom: var(--sp-xl); }

.enquiry-list { display: flex; flex-direction: column; gap: 2px; }
.enquiry-item {
  display: flex; gap: var(--sp-md); align-items: center;
  padding: 12px var(--sp-md);
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant); border-radius: var(--r-md);
}
.enquiry-arr { color: var(--primary); font-weight: 700; font-size: 14px; }
.enquiry-item span { font-size: 13px; color: var(--on-surface-variant); }

.contact-card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-float);
}
.contact-card-head {
  background: linear-gradient(135deg, var(--primary) 0%, var(--brand-dark) 100%);
  padding: var(--sp-xl) var(--sp-xl);
}
.contact-card-head h3 { font-size: 26px; font-weight: 800; color: #fff; line-height: 1.1; letter-spacing: -0.02em; }
.contact-card-head p { font-size: 13px; color: rgba(255,255,255,0.75); margin-top: var(--sp-sm); }
.contact-card-body { padding: var(--sp-xl); display: flex; flex-direction: column; gap: var(--sp-sm); }
.contact-card-body .btn { width: 100%; justify-content: center; font-size: 13px; }

.btn-outline-primary {
  background: transparent; color: var(--primary);
  border: 1.5px solid rgba(0,94,159,0.3); width: 100%;
  justify-content: center; font-size: 13px;
}
.btn-outline-primary:hover { border-color: var(--primary); background: var(--brand-light); }

.contact-card-footer {
  padding: var(--sp-md) var(--sp-xl);
  border-top: 1px solid var(--outline-variant);
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--on-surface-variant);
}

/* ── FAQ ── */
.sec-faq { padding: var(--sp-4xl) 0; background: var(--surface); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-md); }
.faq-item {
  background: var(--surface-container-lowest); border: 1px solid var(--outline-variant);
  border-radius: var(--r-lg); overflow: hidden;
  transition: all 0.2s;
}
.faq-item.open { border-color: var(--primary); }
.faq-question {
  padding: var(--sp-lg) var(--sp-xl); display: flex; gap: var(--sp-md); align-items: flex-start;
  cursor: pointer; user-select: none;
}
.faq-num {
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--primary); background: var(--brand-light); border-radius: var(--r-md);
  padding: 4px 8px; min-width: 32px; text-align: center; flex-shrink: 0; margin-top: 1px;
}
.faq-q-text { font-size: 14px; font-weight: 600; color: var(--on-surface); flex: 1; line-height: 1.4; }
.faq-arrow { font-size: 10px; color: var(--on-surface-variant); margin-top: 4px; transition: transform 0.25s; }
.faq-item.open .faq-arrow { transform: rotate(180deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s cubic-bezier(0.16,1,0.3,1); }
.faq-ans-content {
  padding: 0 var(--sp-xl) var(--sp-lg) calc(var(--sp-xl) + 48px);
  font-size: 13px; color: var(--on-surface-variant); line-height: 1.7;
}

/* ── FOOTER ── */
.site-footer {
  background: var(--inverse-surface);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
}
.footer-brand h3 { font-size: 20px; font-weight: 800; color: var(--inverse-on-surface); margin-bottom: var(--sp-md); letter-spacing: -0.02em; }
.footer-brand p { font-size: 13px; color: rgba(236,240,255,0.55); line-height: 1.7; margin-bottom: var(--sp-lg); }
.footer-contacts { display: flex; flex-direction: column; gap: var(--sp-sm); }
.footer-contacts a {
  font-size: 12px; color: rgba(236,240,255,0.6);
  display: flex; align-items: center; gap: var(--sp-sm); transition: color 0.2s;
}
.footer-contacts a:hover { color: var(--inverse-primary); }
.footer-col h4 { font-size: 10px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--inverse-primary); margin-bottom: var(--sp-md); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--sp-sm); }
.footer-col a { font-size: 13px; color: rgba(236,240,255,0.55); transition: color 0.2s; }
.footer-col a:hover { color: var(--inverse-on-surface); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 11px; color: rgba(236,240,255,0.4); }
.footer-bottom a { color: var(--inverse-primary); }
.footer-social { display: flex; gap: var(--sp-md); }
.footer-social a { font-size: 11px; color: rgba(236,240,255,0.4); transition: color 0.2s; }
.footer-social a:hover { color: var(--inverse-primary); }

/* ── SCROLL REVEAL ── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1), transform 0.55s cubic-bezier(0.16,1,0.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-l { opacity: 0; transform: translateX(-20px); transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1), transform 0.55s cubic-bezier(0.16,1,0.3,1); }
.reveal-l.in { opacity: 1; transform: none; }
.reveal-r { opacity: 0; transform: translateX(20px); transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1), transform 0.55s cubic-bezier(0.16,1,0.3,1); }
.reveal-r.in { opacity: 1; transform: none; }

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

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-inner, .intro-grid, .eng-grid, .features-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .range-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-band-inner { flex-direction: column; gap: 32px; }
  .faq-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .adv-item:nth-child(odd) { border-right: none; border-bottom: 1px solid var(--outline-variant); }
  .adv-item:nth-child(3) { border-bottom: 1px solid var(--outline-variant); }
  .adv-item:nth-child(4) { border-bottom: none; }
}
@media (max-width: 768px) {
  .data-table, .mat-table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--r-md);
  }
}
@media (max-width: 640px) {
  .topbar { display: none; }
  .range-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .contact-card-footer { flex-direction: column; gap: 6px; }
}
@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; }
  .hero-stat { border-right: none; border-bottom: 1px solid var(--outline-variant); }
  .hero-stat:last-child { border-bottom: none; }
  .spec-row { flex-direction: column; align-items: flex-start; gap: 4px; padding: 12px var(--sp-md); }
  .spec-key, .spec-val { width: 100%; text-align: left; }
}