:root {
  --brand-green: #15803D;
  --brand-green-light: #16A34A;
  --brand-green-dark: #14532D;
  --brand-green-subtle: #F0FDF4;
  --brand-orange: #EA580C;
  --brand-orange-light: #F97316;
  --brand-orange-subtle: #FFF7ED;
  --cream: #FFFBEB;
  --cream-deep: #FEF3C7;
  --beige: #FDF6EC;
  --warm-white: #FFFAF5;
  --white: #FFFFFF;
  --text-dark: #1C1917;
  --text-body: #44403C;
  --text-muted: #78716C;
  --border-light: #E7E5E4;
  --border-green: #BBF7D0;
  --shadow-warm: 0 4px 20px rgba(21, 128, 61, 0.08);
  --shadow-card: 0 8px 30px rgba(21, 128, 61, 0.10);
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 999px;
  --font: 'Inter', 'Noto Sans Thai', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text-body); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
section { padding: 96px 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.sec-title { font-size: 2.25rem; font-weight: 800; text-align: center; color: var(--text-dark); margin-bottom: 12px; }
.sec-sub { font-size: 1.1rem; color: var(--text-muted); text-align: center; max-width: 680px; margin: 0 auto 56px; line-height: 1.8; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 32px; border-radius: var(--radius-full); font-size: 1rem; font-weight: 700; transition: all 0.25s; cursor: pointer; border: 2px solid transparent; }
.btn-fill { background: var(--brand-green); color: #fff; border-color: var(--brand-green); }
.btn-fill:hover { background: var(--brand-green-dark); border-color: var(--brand-green-dark); box-shadow: 0 8px 24px rgba(21, 128, 61, 0.25); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--brand-green); border-color: var(--brand-green); }
.btn-ghost:hover { background: var(--brand-green); color: #fff; }
.btn-block { width: 100%; }

/* ===== HEADER ===== */
.app-header { position: sticky; top: 0; z-index: 1000; background: rgba(255, 250, 245, 0.95); backdrop-filter: blur(10px); border-bottom: 3px solid var(--brand-green); }
.header-wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand-logo img { height: 52px; width: auto; display: block; }

.app-nav { display: flex; gap: 2px; }
.app-nav a { text-decoration: none; color: var(--text-body); font-size: 0.95rem; font-weight: 600; padding: 8px 18px; border-radius: var(--radius-md); transition: all 0.2s; }
.app-nav a:hover { background: var(--brand-green-subtle); color: var(--brand-green); }

.menu-trigger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-trigger span { display: block; width: 26px; height: 3px; background: var(--text-dark); border-radius: 3px; transition: all 0.3s; }

/* ===== SPOTLIGHT (HERO) ===== */
.spotlight { padding: 80px 0 96px; background: linear-gradient(135deg, var(--cream) 0%, var(--warm-white) 50%, #fff 100%); position: relative; overflow: hidden; }
.spotlight::before { content: ''; position: absolute; top: -120px; right: -120px; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(21,128,61,0.04) 0%, transparent 70%); pointer-events: none; }
.spotlight-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; position: relative; }
.spotlight-badge { display: inline-block; padding: 6px 18px; background: var(--cream-deep); color: var(--brand-orange); border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 700; margin-bottom: 20px; border: 1px solid #FED7AA; }
.spotlight-title-th { font-size: 3.25rem; font-weight: 900; line-height: 1.15; color: var(--text-dark); margin-bottom: 12px; }
.spotlight-title-en { font-size: 1.2rem; font-weight: 600; color: var(--brand-orange); margin-bottom: 28px; letter-spacing: 0.5px; }
.spotlight-desc { font-size: 1.1rem; color: var(--text-body); margin-bottom: 44px; line-height: 1.8; max-width: 540px; }
.spotlight-actions { display: flex; gap: 16px; }
.spotlight-visual img { width: 100%; height: auto; border-radius: var(--radius-xl); box-shadow: 0 20px 60px rgba(21, 128, 61, 0.12); border: 6px solid #fff; background: #fff; aspect-ratio: 4/3; object-fit: cover; }

/* ===== FAST FACTS (TRUST) ===== */
.fast-facts { background: var(--beige); padding: 52px 0; border-top: 2px solid var(--border-green); border-bottom: 2px solid var(--border-green); }
.fast-facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.fact-card { background: #fff; padding: 28px 20px; border-radius: var(--radius-lg); box-shadow: var(--shadow-warm); border-left: 4px solid var(--brand-green); transition: transform 0.2s; }
.fact-card--orange { border-left-color: var(--brand-orange); }
.fact-card--green { border-left-color: var(--brand-green); }
.fact-card:hover { transform: translateY(-3px); }
.fact-label { display: block; font-size: 0.8rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.fact-value { display: block; font-size: 1.2rem; font-weight: 800; color: var(--text-dark); }
.fact-value--live { color: var(--brand-green); }

/* ===== STORY (ABOUT) ===== */
.story-section { background: #fff; }
.story-card { background: linear-gradient(135deg, var(--brand-green-subtle) 0%, var(--cream) 100%); padding: 60px 48px; border-radius: var(--radius-xl); text-align: center; border: 1px solid var(--border-green); }
.story-text { max-width: 820px; margin: 0 auto; font-size: 1.1rem; color: var(--text-body); line-height: 2; }
.story-text p + p { margin-top: 20px; }

/* ===== METHODOLOGY (PROCESS) ===== */
.methodology { background: var(--warm-white); }
.method-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.method-step { background: #fff; border-radius: var(--radius-lg); padding: 32px 24px; box-shadow: var(--shadow-warm); border: 1px solid var(--border-light); position: relative; transition: all 0.3s; }
.method-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.step-num { font-size: 2.5rem; font-weight: 900; color: var(--brand-green); opacity: 0.15; line-height: 1; margin-bottom: 4px; }
.method-step:nth-child(2n) .step-num { color: var(--brand-orange); }
.step-icon { margin-bottom: 16px; }
.step-icon svg { width: 44px; height: 44px; display: block; }
.step-title { font-size: 1.15rem; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; }
.step-desc { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; }

/* ===== OFFERINGS (BUSINESS) ===== */
.offerings { background: #fff; }
.offer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.offer-card { background: #fff; padding: 36px 32px; border-radius: var(--radius-lg); border: 1px solid var(--border-light); box-shadow: var(--shadow-warm); transition: all 0.3s; border-top: 4px solid var(--brand-green); }
.offer-card--orange { border-top-color: var(--brand-orange); }
.offer-card--green { border-top-color: var(--brand-green); }
.offer-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.offer-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.offer-icon svg { width: 42px; height: 42px; display: block; }
.offer-head h3 { font-size: 1.2rem; font-weight: 800; color: var(--text-dark); }
.offer-card p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.75; }

/* ===== REGISTER (COMPANY INFO) ===== */
.register { background: var(--beige); }
.register-table { max-width: 960px; margin: 0 auto; background: #fff; border-radius: var(--radius-xl); border: 2px solid var(--border-green); overflow: hidden; box-shadow: var(--shadow-card); }
.reg-row { display: grid; grid-template-columns: 300px 1fr; border-bottom: 1px solid var(--border-light); }
.reg-row:last-child { border-bottom: none; }
.reg-label { padding: 22px 28px; background: var(--brand-green-subtle); font-weight: 700; font-size: 0.95rem; color: var(--text-dark); }
.reg-value { padding: 22px 28px; font-size: 0.95rem; color: var(--text-body); line-height: 1.7; }
.status-badge { display: inline-flex; align-items: center; padding: 5px 16px; background: var(--brand-green); color: #fff; border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 700; }

/* ===== CONNECT (CONTACT) ===== */
.connect-section { background: var(--cream); }
.connect-layout { display: grid; grid-template-columns: 1fr 1.25fr; gap: 64px; align-items: start; }
.connect-sidebar { background: #fff; padding: 36px 32px; border-radius: var(--radius-xl); border: 1px solid var(--border-light); box-shadow: var(--shadow-warm); }
.connect-block { margin-bottom: 28px; }
.connect-line { display: flex; gap: 16px; }
.connect-icon { flex-shrink: 0; margin-top: 2px; }
.connect-icon svg { display: block; }
.connect-text strong { display: block; font-size: 1.05rem; color: var(--text-dark); margin-bottom: 6px; }
.connect-text p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; }
.connect-map { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-light); }
.connect-map img { width: 100%; display: block; }

.connect-form { background: #fff; padding: 48px 40px; border-radius: var(--radius-xl); border: 1px solid var(--border-light); box-shadow: var(--shadow-card); }
.connect-form h3 { font-size: 1.5rem; font-weight: 800; color: var(--text-dark); margin-bottom: 6px; }
.form-caption { color: var(--text-muted); margin-bottom: 32px; font-size: 0.95rem; }
.field { margin-bottom: 22px; }
.field label { display: block; font-size: 0.9rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.required { color: #DC2626; }
.field input, .field textarea { width: 100%; padding: 13px 18px; border: 2px solid var(--border-light); border-radius: var(--radius-md); font-size: 1rem; font-family: inherit; transition: all 0.2s; background: var(--warm-white); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--brand-green); background: #fff; box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.08); }

/* ===== FOOTER ===== */
.site-footer { background: #064E3B; color: #ECFDF5; padding: 72px 0 36px; }
.footer-wrap { }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 56px; }
.footer-about img { height: 56px; margin-bottom: 20px; filter: brightness(0) invert(1) opacity(0.9); }
.footer-about p { color: #A7F3D0; font-size: 0.95rem; line-height: 1.8; }
.site-footer h4 { font-size: 0.85rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: #fff; margin-bottom: 20px; }
.footer-links a { display: block; color: #A7F3D0; font-size: 0.9rem; padding: 4px 0; transition: all 0.2s; }
.footer-links a:hover { color: var(--brand-orange-light); padding-left: 6px; }
.footer-legal p { color: #A7F3D0; font-size: 0.9rem; line-height: 1.7; }
.footer-reg { margin-top: 12px; font-size: 0.8rem; opacity: 0.7; }
.footer-bottom { border-top: 1px solid #065F46; padding-top: 32px; text-align: center; }
.footer-bottom p { color: #34D399; font-size: 0.85rem; }
.footer-disclaimer { margin-top: 8px; font-size: 0.75rem; opacity: 0.6; }

/* ===== MODAL ===== */
.modal-curtain { display: none; position: fixed; inset: 0; z-index: 9999; background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.modal-curtain.active { display: flex; }
.modal-box { background: #fff; border-radius: var(--radius-xl); padding: 48px 40px 40px; max-width: 580px; width: 92%; max-height: 80vh; overflow-y: auto; position: relative; box-shadow: 0 32px 80px rgba(0,0,0,0.2); }
.modal-x { position: absolute; top: 16px; right: 20px; background: none; border: none; font-size: 2rem; color: var(--text-muted); cursor: pointer; line-height: 1; padding: 4px; }
.modal-x:hover { color: var(--text-dark); }
.modal-body h2 { font-size: 1.5rem; font-weight: 800; color: var(--text-dark); margin-bottom: 20px; }
.modal-body p { font-size: 0.95rem; color: var(--text-body); line-height: 1.8; margin-bottom: 16px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .spotlight-layout { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .spotlight-title-th { font-size: 2.75rem; }
  .spotlight-desc { margin-left: auto; margin-right: auto; }
  .spotlight-actions { justify-content: center; }
  .spotlight-visual { max-width: 520px; margin: 0 auto; }
  .fast-facts-grid { grid-template-columns: repeat(2, 1fr); }
  .method-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  .sec-title { font-size: 1.8rem; }
  .sec-sub { font-size: 1rem; margin-bottom: 40px; }
  .spotlight-title-th { font-size: 2.25rem; }

  .menu-trigger { display: flex; }
  .app-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: var(--warm-white); flex-direction: column; padding: 16px; border-bottom: 3px solid var(--brand-green); gap: 4px; }
  .app-nav.open { display: flex; }
  .app-nav a { padding: 14px 20px; font-size: 1rem; }

  .offer-grid { grid-template-columns: 1fr; }
  .reg-row { grid-template-columns: 1fr; }
  .reg-label { background: var(--beige); }
  .connect-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 600px) {
  .wrap { padding: 0 18px; }
  .spotlight { padding: 56px 0 72px; }
  .spotlight-title-th { font-size: 1.9rem; }
  .spotlight-badge { font-size: 0.8rem; }
  .spotlight-actions { flex-direction: column; }
  .spotlight-visual { max-width: 100%; }
  .fast-facts-grid { grid-template-columns: 1fr; }
  .method-steps { grid-template-columns: 1fr; }
  .story-card { padding: 36px 24px; }
  .register-table { border-radius: var(--radius-lg); }
  .connect-form { padding: 32px 24px; }
  .connect-sidebar { padding: 28px 24px; }
  .modal-box { padding: 36px 24px 28px; }
}