:root {
  --primary: #0A1F44;
  --primary-light: #1e2f5c;
  --secondary: #C41230;
  --secondary-light: #f05b6d;
  --accent: #C9A35B;
  --sky: #60A5FA;
  --line: #06C755;
  --bg: #F5F7FB;
  --text: #121826;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Prompt', 'Noto Sans Thai', sans-serif;
  background: #fff;
  color: var(--text);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  display: block;
  border-radius: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.25rem, 4vw, 4rem);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(10,31,68,0.08);
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.15rem;
  color: var(--primary);
}

.logo-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.2rem;
  color: var(--secondary);
}

.logo-mark {
  width: 48px;
  height: 48px;
}

.main-nav {
  display: flex;
  gap: 1.25rem;
  font-weight: 500;
}

.main-nav a {
  color: var(--primary);
  padding-bottom: 0.2rem;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 0.65rem 1.5rem;
  border-radius: 999px;
  background: var(--secondary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(196,18,48,0.25);
}

.hero-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: clamp(3rem, 6vw, 6rem) clamp(1.25rem, 5vw, 5rem);
  align-items: center;
}

.eyebrow {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.hero-section h1 {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  line-height: 1.3;
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.1rem;
  color: rgba(18,24,38,0.8);
}

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

.btn {
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 20px 35px rgba(10,31,68,0.25);
}

.btn.line {
  background: var(--line);
  color: #fff;
  box-shadow: 0 20px 35px rgba(6,199,85,0.25);
}

.btn:hover {
  transform: translateY(-3px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  padding: 0;
  list-style: none;
}

.hero-stats li {
  background: #fff;
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: 0 25px 45px rgba(10,31,68,0.08);
  border: 1px solid rgba(37,99,235,0.12);
}

.stat {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.hero-visual {
  min-height: 360px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(10,31,68,0.8), rgba(37,99,235,0.45)), url('https://images.unsplash.com/photo-1505691938895-1758d7feb511?auto=format&fit=crop&w=1600&q=80') center/cover;
  box-shadow: 0 40px 70px rgba(10,31,68,0.3);
}

section {
  padding: clamp(3rem, 6vw, 5rem) clamp(1.25rem, 5vw, 5rem);
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  margin: 0.4rem 0;
  color: var(--primary);
}

.why-section {
  background: var(--bg);
}

.feature-grid,
.service-grid,
.process-grid,
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.feature-card,
.service-card,
.process-card,
blockquote {
  background: #fff;
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: 0 20px 45px rgba(10,31,68,0.08);
  border: 1px solid rgba(10,31,68,0.08);
}

.icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(37,99,235,0.12);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
}

.service-card img {
  height: 180px;
  object-fit: cover;
  border-radius: 18px;
  margin-bottom: 1.25rem;
}

.service-content a {
  color: var(--secondary);
  font-weight: 600;
}

.process-card {
  position: relative;
  padding-top: 2.5rem;
}

.step-number {
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 2rem;
  font-weight: 700;
  color: rgba(10,31,68,0.1);
}

.testimonials-section {
  background: linear-gradient(135deg, #f8fbff 0%, #eef3ff 100%);
}

blockquote {
  position: relative;
  font-style: italic;
  padding-left: 2.5rem;
}

blockquote::before {
  content: '“';
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  font-size: 3rem;
  color: var(--secondary);
}

blockquote cite {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  color: rgba(18,24,38,0.7);
}

.contact-section {
  background: #fff;
}

.contact-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  padding: 2rem;
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 30px 60px rgba(10,31,68,0.12);
  border: 1px solid rgba(10,31,68,0.08);
}

.contact-info p {
  margin: 0.3rem 0;
}

.disclaimer {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: rgba(18,24,38,0.7);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.contact-actions .note {
  font-size: 0.95rem;
  color: rgba(18,24,38,0.7);
}

.site-footer {
  padding: 2rem clamp(1.25rem, 4vw, 5rem);
  background: var(--primary);
  color: rgba(255,255,255,0.8);
  text-align: center;
}

.site-footer .logo-name {
  color: #fff;
}

.floating-line {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  background: var(--line);
  color: #fff;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 20px 35px rgba(6,199,85,0.4);
  z-index: 50;
}

@media (max-width: 768px) {
  .site-header {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .main-nav {
    width: 100%;
    justify-content: space-between;
    order: 3;
  }

  .nav-cta {
    order: 2;
  }

  .hero-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
  }

  .contact-card {
    padding: 1.5rem;
  }

  .floating-line {
    right: 1rem;
    bottom: 1rem;
  }
}