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

:root {
  --color-bg: #0f1419;
  --color-surface: #1a2332;
  --color-surface-alt: #243044;
  --color-text: #e8edf4;
  --color-muted: #94a3b8;
  --color-accent: #d4af37;
  --color-accent-hover: #f0c84a;
  --color-border: #2d3a4f;
  --color-green: #22c55e;
  --font-thai: "Noto Sans Thai", "Segoe UI", sans-serif;
  --max-width: 760px;
  --max-width-wide: 1140px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-thai);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: var(--color-accent-hover); }

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-text);
}

.site-logo__img {
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.25);
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.site-logo__text strong {
  font-size: 1.05rem;
  color: var(--color-accent);
}

.site-logo__text small {
  font-size: 0.65rem;
  color: var(--color-muted);
  font-weight: 400;
}

.site-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: linear-gradient(135deg, var(--color-accent), #b8941f);
  color: #0f1419 !important;
  padding: 0.4rem 0.85rem !important;
  border-radius: 8px;
  font-weight: 700 !important;
}

.site-nav__cta:hover {
  background: linear-gradient(135deg, var(--color-accent-hover), var(--color-accent));
  color: #0f1419 !important;
}

.site-nav__cta-icon {
  border-radius: 4px;
}

.site-logo span {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}

.site-nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }

.site-nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.site-nav a:hover { color: var(--color-accent); }

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.2rem;
}

.lang-switcher__btn {
  font-family: var(--font-thai);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.lang-switcher__btn:hover {
  color: var(--color-text);
}

.lang-switcher__btn.is-active {
  background: var(--color-accent);
  color: #0f1419;
}

html.lang-en body {
  font-family: "Segoe UI", system-ui, sans-serif;
}

@media (max-width: 480px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .lang-switcher {
    order: 3;
  }
}

main {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.hero {
  text-align: center;
  padding: 2.5rem 1rem 2rem;
  max-width: 680px;
  margin: 0 auto 2rem;
}

.hero--banner {
  max-width: var(--max-width-wide);
  position: relative;
  padding: 2rem 1.5rem 1rem;
  margin-bottom: 0;
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.35;
}

.hero__sunray {
  position: absolute;
  top: -20%;
  right: -10%;
  width: min(50vw, 400px);
  animation: spin-slow 60s linear infinite;
}

.hero__effect {
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: min(40vw, 280px);
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__brand img {
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(212, 175, 55, 0.35);
  margin-bottom: 1rem;
}

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

.hero__cta {
  display: inline-block;
  margin-top: 1rem;
  background: linear-gradient(135deg, var(--color-accent), #b8941f);
  color: #0f1419 !important;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
}

.hero__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.hero__banner-wrap {
  position: relative;
  z-index: 1;
  margin-top: 1.5rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.hero__banner {
  width: 100%;
  height: auto;
  display: block;
  max-height: 280px;
  object-fit: cover;
}

.trust-bar {
  max-width: var(--max-width-wide);
  margin: 0 auto 1.5rem;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.trust-bar img {
  border-radius: 8px;
  flex-shrink: 0;
}

.trust-bar strong {
  color: var(--color-accent);
}

.hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 1.35;
  margin: 0 0 1rem;
  color: var(--color-accent);
}

.hero p {
  color: var(--color-muted);
  margin: 0;
  font-size: 1.05rem;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.12);
}

.article-card__thumb {
  position: relative;
  background: linear-gradient(135deg, var(--color-surface-alt) 0%, #1a2332 100%);
  min-height: 140px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.article-card__hero {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.article-card__icon {
  position: absolute;
  bottom: 12px;
  left: 14px;
  z-index: 2;
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.5));
}

.article-card__brand {
  position: absolute;
  bottom: 12px;
  right: 14px;
  z-index: 2;
  border-radius: 6px;
  opacity: 0.95;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.article-card__body { padding: 1.25rem 1.5rem 1.5rem; }

.article-card__category {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-green);
  font-weight: 600;
}

.article-card h2 {
  font-size: 1.125rem;
  margin: 0.5rem 0;
  line-height: 1.4;
}

.article-card h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.article-card h2 a:hover { color: var(--color-accent); }

.article-card__meta {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.article-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0;
}

.article-card__link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}

.article-page { max-width: var(--max-width); margin: 0 auto; }

.article-hero {
  margin: 0 0 1.25rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.article-hero__visual {
  position: relative;
  background: var(--color-surface-alt);
  line-height: 0;
}

.article-hero__sunray {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 55%;
  max-width: 320px;
  height: auto;
  opacity: 0.35;
  pointer-events: none;
}

.article-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
}

.article-hero__badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  border: 2px solid var(--color-accent);
}

.article-figure {
  margin: 0 0 2rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}

.article-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 450;
  object-fit: cover;
}

.article-figure figcaption {
  padding: 0.65rem 1rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.article-page header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.article-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.article-banner__logo {
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.2);
}

.article-banner__text {
  display: flex;
  flex-direction: column;
  font-size: 0.8125rem;
}

.article-banner__label {
  color: var(--color-green);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-banner__brand {
  color: var(--color-muted);
}

.article-page .category {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-green);
  font-weight: 600;
}

.article-page h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.35;
  margin: 0.5rem 0 1rem;
}

.article-page .meta { font-size: 0.85rem; color: var(--color-muted); }

.article-page .lead {
  font-size: 1.1rem;
  color: var(--color-muted);
  line-height: 1.7;
}

.article-page h2 {
  font-size: 1.3rem;
  margin: 2rem 0 0.75rem;
  color: var(--color-accent);
}

.article-page h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.5rem;
}

.article-page ul, .article-page ol { padding-left: 1.25rem; }

.article-page li { margin-bottom: 0.5rem; }

.cta-box {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  border-radius: 0 10px 10px 0;
}

.cta-box p { margin: 0 0 0.75rem; }

.cta-box a { font-weight: 700; text-decoration: none; }

.cta-box .brands {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.cta-box .brand-link {
  background: var(--color-accent);
  color: #0f1419;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.cta-box .brand-link:hover {
  background: var(--color-accent-hover);
  color: #0f1419;
}

.related-articles {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.related-articles h2 { font-size: 1.15rem; margin-bottom: 1rem; }

.related-articles ul { list-style: none; padding: 0; margin: 0; }

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a { color: var(--color-muted); text-decoration: none; }

.breadcrumb a:hover { color: var(--color-accent); }

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  padding: 2rem 1.5rem;
  margin-top: 2rem;
}

.site-footer__inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}

.site-footer a { color: var(--color-accent); }

.site-footer h3 {
  color: var(--color-text);
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.site-footer p { margin: 0; font-size: 0.85rem; line-height: 1.6; }

.tag-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag-keywords span {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* SEO: domain hub strip — links to main domain */
.domain-hub {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(90deg, var(--color-surface-alt), var(--color-surface));
  border-bottom: 1px solid var(--color-border);
}

.domain-hub p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
  text-align: center;
  line-height: 1.6;
}

.domain-hub a {
  font-weight: 600;
}

/* Brand CTA block */
.brand-cta {
  max-width: var(--max-width-wide);
  margin: 2rem auto;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-accent);
  border-radius: 10px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.brand-cta--visual {
  text-align: left;
}

.brand-cta__deco {
  position: absolute;
  right: -20px;
  bottom: -20px;
  opacity: 0.2;
  pointer-events: none;
}

.brand-cta__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  position: relative;
  z-index: 1;
}

.brand-cta__logo {
  border-radius: 12px;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
}

.brand-cta h2 {
  font-size: 1.2rem;
  margin: 0 0 0.75rem;
  color: var(--color-accent);
}

.brand-cta p {
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.brand-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.brand-cta__primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-accent);
  color: #0f1419 !important;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
}

.brand-cta__primary img {
  border-radius: 4px;
}

.brand-cta__secondary {
  border: 1px solid var(--color-border);
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--color-text) !important;
}

@media (max-width: 640px) {
  .brand-cta__inner {
    flex-direction: column;
    text-align: center;
  }
  .brand-cta__actions {
    justify-content: center;
  }
  .hero__banner {
    max-height: 160px;
  }
}

.site-footer__brand {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.site-footer__brand img {
  border-radius: 10px;
  flex-shrink: 0;
}

/* FAQ on homepage */
.faq-section {
  max-width: var(--max-width);
  margin: 2.5rem auto 0;
  padding: 0 1.5rem 2rem;
}

.faq-section h2 {
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.faq-section details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  padding: 0.75rem 1rem;
}

.faq-section summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-section p {
  margin: 0.75rem 0 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.site-footer__legal {
  max-width: var(--max-width-wide);
  margin: 1.5rem auto 0;
  padding: 0 1.5rem;
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: center;
}