:root {
  --primary: #2563EB;
  --secondary: #60A5FA;
  --primary-light: color-mix(in srgb, var(--primary) 18%, white);
  --primary-dark: color-mix(in srgb, var(--primary) 70%, black);
  --text: #0f172a;
  --muted: #f3f6fb;
  --border: #dce4f5;
  --radius: 18px;
  --shadow: 0 25px 65px rgba(37, 99, 235, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Prompt', 'Noto Sans Thai', sans-serif;
  color: var(--text);
  background: #fff;
}

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

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  z-index: 20;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
}

.brand img {
  width: 80px;
  height: auto;
  border-radius: 0;
}

.main-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.main-nav a {
  font-weight: 500;
  color: #0f172a;
}

.main-nav a.active {
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(37, 99, 235, 0.35);
}

.btn.ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.4);
}

.btn-outline {
  border: 1px solid rgba(37, 99, 235, 0.35);
  border-radius: 999px;
  padding: 0.6rem 1.4rem;
}

.section {
  padding: 5rem 0;
}

.section.hero {
  padding-top: 6.5rem;
}

.section.hero.subpage {
  text-align: center;
  background: radial-gradient(circle at top, rgba(96, 165, 250, 0.25), transparent 55%);
}

.section.muted {
  background: var(--muted);
}

.section.cta {
  background: linear-gradient(120deg, var(--primary), var(--secondary));
  color: #fff;
  text-align: center;
  border-radius: 32px;
  margin: 4rem auto;
  width: min(1100px, 92vw);
}

.section.cta .btn {
  background: #fff;
  color: var(--primary);
}

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 2.5rem;
}

.section-head h2 {
  margin-bottom: 0.75rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.grid.two-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.grid.two-cols.align-center {
  align-items: center;
}

.container.narrow {
  width: min(760px, 90vw);
}

.content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0.5rem 0 1rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.contacts-inline {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.95rem;
  color: rgba(15, 23, 42, 0.7);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.advisor-card {
  position: relative;
  padding: 1.5rem;
  background: #fff;
  border-radius: 28px;
  box-shadow: var(--shadow);
  max-width: 360px;
}

.advisor-card.shadow {
  background: linear-gradient(160deg, #fff, #edf3ff);
}

.advisor-card img {
  border-radius: 24px;
}

.advisor-card .badge {
  position: absolute;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.9);
  color: #fff;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.stats-grid .label {
  font-size: 0.9rem;
  color: rgba(15, 23, 42, 0.65);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.card {
  background: #fff;
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.card img {
  border-radius: 20px;
  margin-bottom: 1.2rem;
}

.card-body h3 {
  margin: 0 0 0.5rem;
}

.tag {
  display: inline-flex;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: rgba(96, 165, 250, 0.2);
  color: var(--primary);
  font-weight: 500;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.step {
  background: #fff;
  border-radius: 20px;
  padding: 1.25rem;
  box-shadow: 0 15px 30px rgba(15, 23, 42, 0.08);
}

.step span {
  font-weight: 700;
  color: var(--secondary);
  font-size: 1.2rem;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.check-list li {
  margin-bottom: 0.6rem;
  padding-left: 1.6rem;
  position: relative;
}

.check-list li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--secondary);
}

.card.compact {
  padding: 1.2rem;
  text-align: center;
}

.card.tier ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.card.tier ul li {
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.card.tier ul li:last-child {
  border-bottom: none;
}

.card.tier.highlighted {
  border: 2px solid var(--secondary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.gallery-grid figure {
  margin: 0;
}

.gallery-grid figcaption {
  margin-top: 0.6rem;
  font-size: 0.95rem;
  color: rgba(15, 23, 42, 0.75);
}

.case-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.case-list article {
  background: #fff;
  border-radius: 22px;
  padding: 1.5rem;
  box-shadow: 0 15px 30px rgba(15, 23, 42, 0.08);
}

.info-panel {
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.12), #fff);
  padding: 2rem;
  border-radius: 28px;
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.contact-list li {
  margin-bottom: 0.75rem;
}

.map-card {
  margin-top: 1rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #fff;
  border-radius: 28px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
}

.social-cta {
  text-align: center;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.site-footer {
  background: #0f172a;
  color: #fff;
  padding: 2rem 0;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
}

.footer-contact {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
}

.card-grid.four-cols {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.card.testimonial {
  font-style: italic;
}

@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .site-header.open .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-bottom: 1px solid #e2e8f0;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }
  .card-grid.three-cols,
  .stats-grid,
  .timeline {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
  }
  .section.cta {
    border-radius: 24px;
  }
}

@media (max-width: 480px) {
  .brand img {
    width: 64px;
  }
  .card,
  .step,
  .case-list article,
  .contact-form {
    padding: 1.2rem;
  }
}