@import url("https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;500;600;700&family=Noto+Sans+Thai:wght@400;500;600;700;800&display=swap");

:root {
  --bg: #090b10;
  --surface: #11141b;
  --surface-soft: #171b23;
  --ink: #f7f7f3;
  --muted: #9ba3b2;
  --line: #2a303b;
  --accent: #b9ff45;
  --accent-dark: #0b1203;
  --cyan: #4ce3ff;
  --max-width: 1240px;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 7%, rgba(76, 227, 255, 0.09), transparent 27rem),
    var(--bg);
  font-family: "Noto Sans Thai", sans-serif;
  min-width: 320px;
  overflow-x: hidden;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}

.site-header {
  width: min(calc(100% - 40px), var(--max-width));
  min-height: 78px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}

.brand {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 700 0.95rem/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.04em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--accent-dark);
  background: var(--accent);
  border-radius: 8px 2px 8px 2px;
  font-size: 1.25rem;
}

.brand-accent {
  color: var(--accent);
}

.main-nav {
  display: flex;
  gap: 34px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.main-nav a {
  position: relative;
  padding: 12px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 6px;
  height: 2px;
  background: var(--accent);
  transition: right 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--ink);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  right: 0;
}

.header-note {
  justify-self: end;
  margin: 0;
  padding: 9px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(185, 255, 69, 0.32);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(185, 255, 69, 0.06);
  font: 600 0.72rem/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.08em;
}

.test-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(185, 255, 69, 0.85);
}

main,
footer {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.hero {
  min-height: 600px;
  padding: 64px 0 76px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
  gap: 56px;
  align-items: center;
}

.eyebrow,
.product-type,
.product-count {
  margin: 0;
  color: var(--accent);
  font: 600 0.78rem/1.2 "Chakra Petch", sans-serif;
  letter-spacing: 0.16em;
}

h1 {
  max-width: 820px;
  margin: 20px 0 24px;
  font: 700 clamp(3rem, 6.8vw, 6.4rem)/0.98 "Chakra Petch", "Noto Sans Thai", sans-serif;
  letter-spacing: -0.045em;
}

h1 span {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
}

.hero-description {
  max-width: 600px;
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.85;
}

.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 54px;
  min-width: 235px;
  padding: 15px 16px 15px 20px;
  border-radius: 5px;
  color: var(--accent-dark);
  background: var(--accent);
  font-weight: 800;
  box-shadow: 0 14px 36px rgba(185, 255, 69, 0.16);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.primary-cta span {
  font-size: 1.4rem;
}

.primary-cta:hover,
.primary-cta:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(185, 255, 69, 0.24);
}

.hero-panel {
  position: relative;
  min-height: 390px;
  padding: 32px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid #313846;
  border-radius: var(--radius);
  background:
    linear-gradient(155deg, rgba(185, 255, 69, 0.09), transparent 46%),
    var(--surface);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(76, 227, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 227, 255, 0.14) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
}

.hero-panel::before {
  content: "";
  position: absolute;
  top: 64px;
  right: -65px;
  width: 260px;
  height: 260px;
  border: 34px solid var(--cyan);
  border-radius: 50%;
  opacity: 0.08;
  box-shadow: 0 0 60px var(--cyan);
}

.hero-index {
  position: absolute;
  top: 24px;
  left: 28px;
  color: var(--muted);
  font: 500 0.78rem/1 "Chakra Petch", sans-serif;
}

.hero-panel p,
.hero-panel strong,
.hero-note {
  position: relative;
  z-index: 1;
}

.hero-panel p {
  margin: 0 0 10px;
  color: var(--accent);
  font: 600 0.72rem/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.16em;
}

.hero-panel strong {
  font: 700 clamp(2.6rem, 4vw, 4.6rem)/0.88 "Chakra Petch", sans-serif;
  letter-spacing: -0.06em;
}

.hero-note {
  margin-top: 26px;
  color: var(--muted);
  font-size: 0.88rem;
}

.products-section {
  padding: 76px 0 96px;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 36px;
}

h2 {
  margin: 9px 0 0;
  font: 700 clamp(2rem, 4vw, 3.5rem)/1.15 "Chakra Petch", "Noto Sans Thai", sans-serif;
  letter-spacing: -0.03em;
}

.product-count {
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 220ms ease, border-color 220ms ease;
}

.product-card:hover {
  transform: translateY(-7px);
  border-color: #4d5868;
}

.product-card.featured {
  border-color: rgba(185, 255, 69, 0.55);
}

.product-visual {
  position: relative;
  height: 300px;
  overflow: hidden;
  border-radius: 11px;
  background: var(--surface-soft);
}

.product-visual::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 45%;
  background: linear-gradient(to top, rgba(9, 11, 16, 0.72), transparent);
  pointer-events: none;
}

.product-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.08);
  transition: transform 420ms cubic-bezier(0.2, 0.7, 0.2, 1), filter 220ms ease;
}

.product-card:hover img {
  transform: scale(1.055);
  filter: saturate(1.05) contrast(1.08);
}

.product-number,
.product-tag {
  position: absolute;
  top: 15px;
  z-index: 2;
  font: 600 0.7rem/1 "Chakra Petch", sans-serif;
}

.product-number {
  left: 15px;
  color: rgba(255, 255, 255, 0.7);
}

.product-tag {
  right: 15px;
  padding: 7px 9px;
  border-radius: 4px;
  color: var(--accent-dark);
  background: var(--accent);
  letter-spacing: 0.08em;
}

.product-info {
  min-height: 100px;
  padding: 20px 8px 15px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.product-type {
  color: var(--muted);
  font-size: 0.64rem;
  letter-spacing: 0.11em;
}

h3 {
  margin: 8px 0 0;
  font: 600 1.2rem/1.3 "Chakra Petch", sans-serif;
}

.price {
  flex-shrink: 0;
  margin: 0;
  color: var(--accent);
  font: 700 1.15rem/1.25 "Chakra Petch", sans-serif;
}

.about-strip {
  min-height: 98px;
  margin-bottom: 72px;
  padding: 20px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  overflow: hidden;
  border-block: 1px solid var(--line);
  color: var(--muted);
  font: 600 clamp(0.75rem, 1.4vw, 1rem)/1.2 "Chakra Petch", sans-serif;
  letter-spacing: 0.1em;
}

.about-strip span {
  color: var(--accent);
}

footer {
  padding: 34px 0 44px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

footer strong {
  color: var(--ink);
  font-family: "Chakra Petch", sans-serif;
}

footer p {
  margin: 6px 0 0;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 38px;
    padding-top: 52px;
  }

  .hero-panel {
    min-height: 320px;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-card:last-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 18px;
  }

  .product-card:last-child .product-visual {
    grid-row: 1 / 3;
  }
}

@media (max-width: 640px) {
  .site-header,
  main,
  footer {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .site-header {
    min-height: 68px;
    gap: 10px;
  }

  .brand > span:last-child {
    font-size: 0.78rem;
  }

  .header-note {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 48px 0 60px;
  }

  h1 {
    font-size: clamp(2.65rem, 13vw, 4.3rem);
    line-height: 1.02;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-panel {
    min-height: 270px;
    padding: 24px;
  }

  .hero-panel strong {
    font-size: 3.2rem;
  }

  .products-section {
    padding: 58px 0 72px;
  }

  .section-heading {
    align-items: flex-start;
  }

  .product-count {
    display: none;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card:last-child {
    grid-column: auto;
    display: block;
  }

  .product-visual {
    height: 280px;
  }

  .about-strip {
    justify-content: center;
    flex-wrap: wrap;
    text-align: center;
  }

  .about-strip p:nth-of-type(2),
  .about-strip p:nth-of-type(3),
  .about-strip span:nth-of-type(2) {
    display: none;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}