:root {
  --bg: #070308;
  --panel: #120914;
  --panel-2: #1c0f1f;
  --gold: #ffbf37;
  --gold-2: #ffe58a;
  --red: #f0182b;
  --blue: #16b6ff;
  --green: #3ce071;
  --purple: #b95cff;
  --text: #fff8e8;
  --muted: #c9b8c8;
  --line: rgba(255, 255, 255, .14);
  --shadow: 0 24px 70px rgba(0, 0, 0, .42);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Tahoma, "Noto Sans Thai", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 5%, rgba(240, 24, 43, .24), transparent 28rem),
    radial-gradient(circle at 82% 18%, rgba(22, 182, 255, .18), transparent 30rem),
    linear-gradient(130deg, #070308 0%, #140616 42%, #09050b 100%);
  line-height: 1.75;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image:
    linear-gradient(120deg, transparent 0 35%, rgba(255, 191, 55, .18) 35% 36%, transparent 36% 100%),
    linear-gradient(60deg, transparent 0 70%, rgba(185, 92, 255, .12) 70% 71%, transparent 71% 100%);
  background-size: 180px 180px, 220px 220px;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 3, 8, .84);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  min-height: 78px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 168px;
}

.brand img {
  width: 166px;
  height: auto;
}

.nav-links {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav-links a {
  padding: 10px 12px;
  color: var(--muted);
  font-weight: 700;
  font-size: 15px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-2);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .06);
  color: var(--text);
  font-size: 24px;
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
}

.btn-primary {
  color: #2c0702;
  background: linear-gradient(135deg, var(--gold-2), var(--gold) 58%, #ff7a18);
  box-shadow: 0 10px 28px rgba(255, 191, 55, .24);
}

.btn-secondary {
  color: var(--text);
  border-color: rgba(255, 191, 55, .38);
  background: rgba(255, 255, 255, .07);
}

.btn-line {
  color: #021207;
  background: linear-gradient(135deg, #91ff9f, var(--green));
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: auto;
}

.section {
  padding: 76px 0;
}

.hero {
  position: relative;
  min-height: calc(100vh - 78px);
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 26%;
  background: linear-gradient(0deg, var(--bg), transparent);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .46;
  filter: saturate(1.18) contrast(1.05);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 3, 8, .94), rgba(7, 3, 8, .58), rgba(7, 3, 8, .86)),
    linear-gradient(180deg, rgba(7, 3, 8, .1), rgba(7, 3, 8, .9));
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  gap: 42px;
  align-items: center;
  padding: 72px 0 96px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--gold-2);
  font-weight: 800;
}

.eyebrow::before {
  content: "";
  width: 38px;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--gold), var(--green), var(--blue));
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.22;
  letter-spacing: 0;
}

h1 {
  max-width: 860px;
  font-size: clamp(38px, 6vw, 76px);
  text-shadow: 0 8px 30px rgba(0, 0, 0, .55);
}

h2 {
  font-size: clamp(28px, 3.4vw, 46px);
}

h3 {
  font-size: 22px;
}

p {
  margin: 0;
  color: var(--muted);
}

.lead {
  max-width: 760px;
  margin-top: 18px;
  color: #f3e5ef;
  font-size: 19px;
}

.hero-ctas,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-panel {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(255, 191, 55, .28);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .03));
  box-shadow: var(--shadow);
}

.logo-stage {
  padding: 28px 18px 18px;
  background: #040204;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, .12);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.stat {
  padding: 14px 10px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .07);
  text-align: center;
}

.stat strong {
  display: block;
  color: var(--gold-2);
  font-size: 20px;
}

.stat span {
  color: var(--muted);
  font-size: 13px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head p {
  max-width: 620px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card,
.blog-card,
.promo-card,
.contact-card,
.article-body,
.seo-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .035));
  box-shadow: 0 18px 48px rgba(0, 0, 0, .22);
}

.feature-card {
  position: relative;
  min-height: 190px;
  padding: 22px;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--gold), var(--green), var(--blue), var(--purple));
}

.icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: var(--radius);
  background: rgba(255, 191, 55, .14);
  color: var(--gold-2);
  font-size: 24px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: center;
}

.image-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.image-stack img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.image-stack img:first-child {
  transform: translateY(22px);
}

.content-list {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.content-item {
  padding-left: 18px;
  border-left: 3px solid var(--gold);
}

.band {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(110deg, rgba(240, 24, 43, .2), rgba(255, 191, 55, .12), rgba(22, 182, 255, .14)),
    rgba(255, 255, 255, .04);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.blog-card {
  overflow: hidden;
}

.blog-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.blog-card-content {
  padding: 18px;
}

.blog-card h3 {
  min-height: 58px;
  font-size: 19px;
}

.blog-card p {
  margin-top: 10px;
}

.card-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--gold-2);
  font-weight: 800;
}

.page-hero {
  padding: 72px 0 54px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(240, 24, 43, .18), rgba(255, 191, 55, .08), rgba(22, 182, 255, .12)),
    rgba(255, 255, 255, .03);
}

.page-hero h1 {
  font-size: clamp(34px, 5vw, 58px);
}

.breadcrumbs {
  margin-bottom: 14px;
  color: var(--gold-2);
  font-weight: 800;
}

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

.promo-card {
  padding: 24px;
}

.promo-card strong {
  display: block;
  margin: 14px 0;
  color: var(--gold-2);
  font-size: 28px;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}

.article-body {
  overflow: hidden;
}

.article-body > img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.article-content {
  padding: 28px;
}

.article-content h2,
.article-content h3 {
  margin-top: 28px;
}

.article-content p,
.article-content ul {
  margin-top: 12px;
  color: var(--muted);
}

.article-content li {
  margin: 6px 0;
}

.side-box {
  position: sticky;
  top: 96px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 9, 20, .86);
}

.side-box a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.side-box a:last-child {
  border-bottom: 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.contact-card {
  padding: 26px;
}

.contact-card .big {
  display: block;
  margin: 12px 0;
  color: var(--gold-2);
  font-size: 32px;
  font-weight: 900;
}

.seo-panel {
  padding: 28px;
}

.site-footer {
  padding: 38px 0;
  border-top: 1px solid var(--line);
  background: #050205;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 26px;
}

.footer-logo {
  width: 150px;
  margin-bottom: 14px;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links a {
  color: var(--muted);
}

.copyright {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #9f8e9e;
  font-size: 14px;
}

@media (max-width: 980px) {
  .nav {
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 10px 0;
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav-links,
  .nav-actions {
    display: none;
    width: 100%;
  }

  .nav.open .nav-links,
  .nav.open .nav-actions {
    display: grid;
  }

  .nav-links {
    order: 3;
    justify-content: stretch;
    gap: 0;
  }

  .nav-links a {
    border-top: 1px solid var(--line);
  }

  .nav-actions {
    order: 4;
    grid-template-columns: 1fr 1fr;
  }

  .hero-grid,
  .split,
  .article-shell,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .promo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .side-box {
    position: static;
  }
}

@media (max-width: 640px) {
  .container,
  .nav {
    width: min(100% - 22px, 1180px);
  }

  .brand img {
    width: 138px;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    padding: 42px 0 64px;
  }

  h1 {
    font-size: 34px;
  }

  .lead {
    font-size: 17px;
  }

  .feature-grid,
  .promo-grid,
  .blog-grid,
  .stats {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 52px 0;
  }

  .section-head {
    display: grid;
  }

  .image-stack img:first-child {
    transform: none;
  }

  .article-content {
    padding: 20px;
  }
}