:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fb;
  --surface: #ffffff;
  --text: #161616;
  --muted: #626775;
  --line: rgba(20, 20, 20, 0.08);
  --primary: #a50034;
  --primary-dark: #780028;
  --primary-soft: rgba(165, 0, 52, 0.08);
  --shadow: 0 20px 60px rgba(18, 20, 28, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Anuphan', system-ui, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #fff 0%, #fff 55%, #faf7f8 100%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }

.topbar {
  background: #14050a;
  color: #fff;
  font-size: 14px;
}
.topbar-inner {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar-badge { display: inline-flex; align-items: center; gap: 10px; color: rgba(255,255,255,.88); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #14d66f; box-shadow: 0 0 0 6px rgba(20,214,111,.12); }
.topbar-link { color: #ffd9e5; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,.82);
  border-bottom: 1px solid rgba(20,20,20,.06);
}
.nav {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary) 0%, #cf245a 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: .03em;
  box-shadow: 0 16px 36px rgba(165,0,52,.24);
}
.brand-text { display: flex; flex-direction: column; gap: 3px; }
.brand-text strong { font-size: 16px; }
.brand-text span { font-size: 12px; color: var(--muted); }
.nav-links, .nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-links a {
  padding: 10px 12px;
  font-size: 14px;
  color: #313543;
  border-radius: 12px;
}
.nav-links a:hover { background: var(--bg-soft); }
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #cb184f 100%);
  color: #fff;
  box-shadow: 0 18px 40px rgba(165,0,52,.26);
}
.btn-secondary {
  background: #14050a;
  color: #fff;
  box-shadow: 0 18px 40px rgba(20,5,10,.18);
}
.btn-ghost {
  border: 1px solid rgba(20,20,20,.08);
  background: rgba(255,255,255,.7);
  color: var(--text);
}
.btn-large { min-height: 56px; padding: 0 24px; }
.full { width: 100%; }
.menu-toggle {
  display: none;
  border: 0;
  background: #fff;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  margin: 4px auto;
}
.mobile-menu {
  display: none;
  padding: 0 16px 18px;
  border-top: 1px solid rgba(20,20,20,.06);
}
.mobile-menu a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(20,20,20,.08);
}
.mobile-menu.open { display: block; }

.hero {
  padding: 58px 0 28px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 28px;
}
.hero-copy h1 {
  margin: 16px 0 18px;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: -.03em;
}
.hero-copy h1 span {
  color: var(--primary);
}
.hero-lead {
  margin: 0;
  max-width: 700px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}
.hero-chip-row, .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-chip-row { margin-bottom: 12px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
}
.hero-actions { margin: 28px 0 30px; }
.trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.trust-item {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(20,20,20,.06);
  box-shadow: var(--shadow);
}
.trust-item strong { display: block; font-size: 18px; margin-bottom: 6px; }
.trust-item span { display: block; color: var(--muted); font-size: 14px; line-height: 1.5; }
.hero-visual {
  position: relative;
  min-height: 620px;
  border-radius: 36px;
  background:
    radial-gradient(circle at top right, rgba(165,0,52,.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(0,0,0,.06), transparent 30%),
    linear-gradient(180deg, #fff 0%, #fbf7f8 100%);
  border: 1px solid rgba(20,20,20,.06);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-illustration {
  position: absolute;
  inset: 70px 24px 24px 24px;
  width: calc(100% - 48px);
  height: calc(100% - 94px);
  object-fit: contain;
}
.mockup-card {
  position: absolute;
  z-index: 2;
  width: min(260px, 45%);
  background: rgba(255,255,255,.96);
  border: 1px solid rgba(20,20,20,.08);
  box-shadow: 0 24px 50px rgba(20,20,20,.08);
  border-radius: 22px;
  padding: 18px;
}
.mockup-card strong { display:block; font-size: 18px; margin: 8px 0 6px; }
.mockup-card span { color: var(--muted); line-height: 1.5; font-size: 14px; }
.mockup-icon {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: var(--primary-soft); color: var(--primary); font-weight: 800;
}
.floating-a { top: 24px; left: 24px; }
.floating-b { right: 24px; bottom: 24px; }

.highlights { padding: 18px 0 20px; }
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.highlight-card {
  padding: 28px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid rgba(20,20,20,.06);
  box-shadow: var(--shadow);
}
.highlight-card h2 { margin: 0 0 10px; font-size: 22px; line-height: 1.2; }
.highlight-card p { margin: 0; color: var(--muted); line-height: 1.7; }
.highlight-number {
  width: 48px; height: 48px; border-radius: 16px; margin-bottom: 14px;
  background: #14050a; color: #fff; display: grid; place-items: center; font-weight: 800;
}

.section { padding: 88px 0; }
.soft-bg { background: var(--bg-soft); }
.section-heading { margin-bottom: 28px; }
.section-heading.center { text-align: center; max-width: 760px; margin: 0 auto 28px; }
.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--primary);
}
.eyebrow.light { color: #ffd5e2; }
.section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -.03em;
}
.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.benefit-card {
  padding: 26px;
  border-radius: 24px;
  background: linear-gradient(180deg, #fff 0%, #fff9fb 100%);
  border: 1px solid rgba(20,20,20,.06);
  box-shadow: var(--shadow);
}
.benefit-icon {
  width: 56px; height: 56px; border-radius: 18px;
  display: grid; place-items: center; font-size: 26px;
  background: var(--primary-soft); margin-bottom: 14px;
}
.benefit-card h3 { margin: 0 0 10px; font-size: 21px; }
.benefit-card p { margin: 0; color: var(--muted); line-height: 1.7; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.product-card {
  padding: 24px;
  border-radius: 26px;
  background: #fff;
  border: 1px solid rgba(20,20,20,.06);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 28px 56px rgba(20,20,20,.10); }
.product-card h3 { margin: 16px 0 10px; font-size: 22px; }
.product-card p { margin: 0 0 16px; color: var(--muted); line-height: 1.7; }
.product-card span { color: var(--primary); font-weight: 800; }
.product-art {
  height: 160px;
  border-radius: 22px;
  background: linear-gradient(180deg, #fff, #f5f7fa);
  border: 1px solid rgba(20,20,20,.06);
  position: relative;
  overflow: hidden;
}
.product-art::before, .product-art::after {
  content: "";
  position: absolute;
}
.tv-art::before {
  width: 120px; height: 78px; border: 4px solid #1d2433; border-radius: 10px;
  left: 50%; top: 44%; transform: translate(-50%, -50%);
  background: linear-gradient(135deg, rgba(165,0,52,.22), rgba(71,111,255,.18));
}
.tv-art::after {
  width: 56px; height: 6px; background: #1d2433; left: 50%; bottom: 28px; transform: translateX(-50%); border-radius: 999px;
}
.fridge-art::before {
  width: 82px; height: 126px; left: 50%; top: 50%; transform: translate(-50%, -50%);
  background: linear-gradient(180deg, #fefefe, #edf1f4); border-radius: 18px; border: 2px solid #dce1e8;
  box-shadow: inset -6px 0 0 rgba(0,0,0,.03);
}
.fridge-art::after {
  width: 2px; height: 126px; background: #dce1e8; left: 50%; top: 50%; transform: translate(-50%, -50%);
}
.air-art::before {
  width: 138px; height: 52px; left: 50%; top: 42%; transform: translate(-50%, -50%);
  background: linear-gradient(180deg, #fff, #eef2f7); border: 2px solid #dce1e8; border-radius: 16px;
}
.air-art::after {
  width: 120px; height: 30px; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: radial-gradient(circle at 10% 0, rgba(69,162,255,.45), transparent 32%), radial-gradient(circle at 50% 0, rgba(69,162,255,.28), transparent 34%), radial-gradient(circle at 90% 0, rgba(69,162,255,.18), transparent 32%);
}
.washer-art::before {
  width: 96px; height: 110px; left: 50%; top: 48%; transform: translate(-50%, -50%);
  background: linear-gradient(180deg, #fff, #eef2f7); border: 2px solid #dce1e8; border-radius: 20px;
}
.washer-art::after {
  width: 54px; height: 54px; left: 50%; top: 50%; transform: translate(-50%, -50%); border-radius: 50%;
  border: 8px solid rgba(29,36,51,.12);
  box-shadow: inset 0 0 0 10px rgba(165,0,52,.12);
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  align-items: start;
}
.steps { display: grid; gap: 18px; }
.step-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 22px;
  border: 1px solid rgba(20,20,20,.06);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow);
}
.step-number {
  width: 56px; height: 56px; border-radius: 18px; display: grid; place-items: center; background: #14050a; color:#fff; font-size: 22px; font-weight: 800;
}
.step-item h3 { margin: 2px 0 8px; font-size: 22px; }
.step-item p { margin: 0; color: var(--muted); line-height: 1.7; }
.side-panel {
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(180deg, #fff 0%, #fff8fa 100%);
  border: 1px solid rgba(20,20,20,.06);
  box-shadow: var(--shadow);
  position: sticky;
  top: 106px;
}
.side-panel h3 { margin: 0 0 16px; font-size: 28px; }
.contact-list { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 14px; }
.contact-list li { color: var(--muted); line-height: 1.7; }
.contact-list strong { color: var(--text); }
.side-actions { display: grid; gap: 12px; }

.dark-panel {
  background: linear-gradient(135deg, #16060b 0%, #300412 100%);
  color: #fff;
}
.assurance-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 24px;
  align-items: start;
}
.assurance-grid p { color: rgba(255,255,255,.74); line-height: 1.75; font-size: 17px; }
.assurance-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.assurance-cards article {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
}
.assurance-cards strong { display:block; margin-bottom: 8px; font-size: 20px; }
.assurance-cards span { color: rgba(255,255,255,.72); line-height: 1.65; }

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-list details {
  padding: 22px 24px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(20,20,20,.06);
  box-shadow: var(--shadow);
}
.faq-list summary {
  cursor: pointer;
  font-size: 20px;
  font-weight: 700;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list p { margin: 14px 0 0; color: var(--muted); line-height: 1.75; }

.cta-box {
  padding: 36px;
  border-radius: 34px;
  background: linear-gradient(135deg, #fff 0%, #fff6f9 100%);
  border: 1px solid rgba(20,20,20,.06);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  align-items: center;
}
.cta-box h2 { margin: 0 0 12px; font-size: clamp(30px, 4vw, 44px); line-height: 1.08; }
.cta-box p { margin: 0; color: var(--muted); line-height: 1.75; }
.cta-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 12px; }

.site-footer {
  padding: 28px 0 120px;
  background: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 20px;
}
.footer-brand { margin-bottom: 14px; }
.footer-text { color: var(--muted); line-height: 1.7; margin: 0; }
.site-footer h3 { margin: 0 0 14px; font-size: 18px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; color: var(--muted); }
.site-footer li, .site-footer a { line-height: 1.6; }
.site-footer a:hover { color: var(--primary); }

.sticky-cta {
  position: fixed;
  left: 50%; bottom: 16px; transform: translateX(-50%);
  width: min(680px, calc(100% - 24px));
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(20,20,20,.08);
  box-shadow: 0 18px 44px rgba(20,20,20,.12);
  backdrop-filter: blur(14px);
  border-radius: 20px;
  z-index: 60;
}
.sticky-cta a {
  min-height: 50px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
}
.sticky-cta a:first-child { background: linear-gradient(135deg, var(--primary) 0%, #cb184f 100%); color: #fff; }
.sticky-cta a:last-child { background: #14050a; color: #fff; }

@media (max-width: 1100px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: inline-block; }
  .hero-grid, .benefits-grid, .product-grid, .highlights-grid, .two-col, .assurance-grid, .cta-box, .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .benefits-grid, .product-grid, .highlights-grid { grid-template-columns: 1fr 1fr; }
  .cta-actions { justify-content: flex-start; }
}

@media (max-width: 760px) {
  .topbar-inner { flex-direction: column; justify-content: center; padding: 10px 0; }
  .hero { padding-top: 30px; }
  .hero-grid, .benefits-grid, .product-grid, .highlights-grid, .two-col, .assurance-grid, .cta-box, .footer-grid, .trust-row, .assurance-cards {
    grid-template-columns: 1fr;
  }
  .hero-visual { min-height: 480px; }
  .floating-a, .floating-b { position: relative; width: calc(100% - 28px); margin: 14px; left: auto; right: auto; top: auto; bottom: auto; }
  .hero-illustration { inset: 170px 16px 16px 16px; width: calc(100% - 32px); height: calc(100% - 186px); }
  .section { padding: 64px 0; }
  .highlight-card, .benefit-card, .product-card, .step-item, .cta-box, .side-panel { padding: 22px; }
  .step-item { grid-template-columns: 1fr; }
  .side-panel { position: static; }
  .sticky-cta { display: grid; }
}