:root {
    --gold: #D4A843;
    --gold-light: #F0C96A;
    --red: #C0392B;
    --navy: #0A0E1A;
    --navy-mid: #111827;
    --navy-light: #1E2A3A;
    --white: #F5F0E8;
    --white-dim: rgba(245,240,232,0.65);
    --white-faint: rgba(245,240,232,0.12);
    --mono: 'IBM Plex Mono', monospace;
    --display: 'Kanit', sans-serif;
    --body: 'Sarabun', sans-serif;

  }

  *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    background: var(--navy);
    color: var(--white);
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
  }

  /* ── NOISE OVERLAY ── */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.4;
  }

  /* ── NAV ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 4rem;
    background: rgba(10,14,26,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212,168,67,0.15);
    transition: all 0.3s;
  }

  .logo {
    font-family: var(--display);
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--gold);
    letter-spacing: 0.04em;
    text-decoration: none;
  }
  .logo span { color: var(--white); }

  .nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
  }
  .nav-links a {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--white-dim);
    text-decoration: none;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.2s;
    cursor: pointer;
  }
  .nav-links a:hover { color: var(--gold); }

  .nav-cta {
    background: var(--gold);
    color: var(--navy) !important;
    padding: 0.55rem 1.4rem;
    font-weight: 600 !important;
    clip-path: polygon(6px 0%, 100% 0%, calc(100% - 6px) 100%, 0% 100%);
    transition: background 0.2s !important;
  }
  .nav-cta:hover { background: var(--gold-light) !important; color: var(--navy) !important; }

  /* ── PAGE SECTIONS ── */
  .page { display: none; min-height: 100vh; }
  .page.active { display: block; }

  /* ── HERO ── */
  #home {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
  }

  .hero-grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(212,168,67,0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(212,168,67,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  }

  .hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
  }
  .orb-1 { width: 600px; height: 600px; background: rgba(192,57,43,0.12); top: -100px; right: -100px; }
  .orb-2 { width: 400px; height: 400px; background: rgba(212,168,67,0.08); bottom: 0; left: -50px; }

  .hero-badge {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    border: 1px solid rgba(212,168,67,0.35);
    padding: 0.35rem 1.2rem;
    margin-bottom: 2rem;
    animation: fadeSlideDown 0.8s ease both;
  }

  .hero-title {
    font-family: var(--display);
    font-weight: 900;
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 0.95;
    text-align: center;
    letter-spacing: -0.02em;
    animation: fadeSlideDown 0.9s 0.1s ease both;
  }
  .hero-title em {
    font-style: normal;
    color: var(--gold);
    display: block;
  }

  .hero-sub {
    margin-top: 1.8rem;
    font-size: 1.1rem;
    color: var(--white-dim);
    text-align: center;
    max-width: 540px;
    animation: fadeSlideDown 1s 0.2s ease both;
  }

  .hero-actions {
    display: flex;
    gap: 1.2rem;
    margin-top: 3rem;
    animation: fadeSlideDown 1.1s 0.3s ease both;
  }

  .btn-primary {
    font-family: var(--display);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.04em;
    background: var(--gold);
    color: var(--navy);
    border: none;
    padding: 0.9rem 2.5rem;
    cursor: pointer;
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
    transition: background 0.2s, transform 0.15s;
    text-decoration: none;
    display: inline-block;
  }
  .btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }

  .btn-outline {
    font-family: var(--display);
    font-weight: 700;
    font-size: 1rem;
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(245,240,232,0.3);
    padding: 0.9rem 2.5rem;
    cursor: pointer;
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
    transition: border-color 0.2s, color 0.2s, transform 0.15s;
    text-decoration: none;
    display: inline-block;
  }
  .btn-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

  /* STATS STRIP */
  .stats-strip {
    width: 100%;
    max-width: 900px;
    margin-top: 5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid rgba(212,168,67,0.2);
    animation: fadeSlideDown 1.2s 0.4s ease both;
  }
  .stat-item {
    padding: 1.5rem;
    text-align: center;
    border-right: 1px solid rgba(212,168,67,0.2);
    position: relative;
  }
  .stat-item:last-child { border-right: none; }
  .stat-num {
    font-family: var(--display);
    font-weight: 900;
    font-size: 2rem;
    color: var(--gold);
    display: block;
    line-height: 1;
  }
  .stat-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    color: var(--white-dim);
    text-transform: uppercase;
    margin-top: 0.4rem;
    display: block;
  }

  /* FEATURES */
  .features {
    padding: 6rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
  }
  .section-label {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 1rem;
  }
  .section-title {
    font-family: var(--display);
    font-weight: 700;
    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1.1;
    margin-bottom: 3rem;
  }
  .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5px;
    background: rgba(212,168,67,0.15);
  }
  .feature-card {
    background: var(--navy-mid);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: background 0.25s;
  }
  .feature-card:hover { background: var(--navy-light); }
  .feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px;
    height: 0;
    background: var(--gold);
    transition: height 0.3s;
  }
  .feature-card:hover::before { height: 100%; }
  .feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
  }
  .feature-name {
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
    color: var(--white);
  }
  .feature-desc { font-size: 0.9rem; color: var(--white-dim); }

  /* ── PRICING PAGE ── */
  #pricing {
    padding: 8rem 4rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
  }
  .pricing-intro { margin-bottom: 4rem; }

  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5px;
    background: rgba(212,168,67,0.15);
  }

  .plan-card {
    background: var(--navy-mid);
    padding: 2.5rem;
    position: relative;
    transition: background 0.25s;
    display: flex;
    flex-direction: column;
  }
  .plan-card:hover { background: var(--navy-light); }

  .plan-card.featured {
    background: var(--navy-light);
    outline: 2px solid var(--gold);
    outline-offset: -1px;
  }
  .plan-card.featured::after {
    content: 'MOST POPULAR';
    position: absolute;
    top: -1px; right: 2rem;
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    background: var(--gold);
    color: var(--navy);
    padding: 0.25rem 0.8rem;
    font-weight: 600;
  }

  .plan-tier {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 1rem;
  }
  .plan-name {
    font-family: var(--display);
    font-weight: 900;
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
  }
  .plan-price {
    font-family: var(--display);
    font-weight: 900;
    font-size: 3rem;
    color: var(--gold);
    line-height: 1;
  }
  .plan-price sup { font-size: 1.4rem; vertical-align: top; margin-top: 0.4rem; }
  .plan-price span {
    font-size: 1rem;
    font-weight: 300;
    color: var(--white-dim);
    font-family: var(--body);
  }

  .plan-divider {
    border: none;
    border-top: 1px solid rgba(212,168,67,0.2);
    margin: 1.5rem 0;
  }
  .plan-specs {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    flex-grow: 1;
    margin-bottom: 2rem;
  }
  .plan-specs li {
    font-size: 0.9rem;
    color: var(--white-dim);
    display: flex;
    align-items: center;
    gap: 0.7rem;
  }
  .plan-specs li::before {
    content: '▸';
    color: var(--gold);
    font-size: 0.7rem;
    flex-shrink: 0;
  }
  .plan-specs li strong { color: var(--white); }

  /* ADDONS */
  .addons {
    margin-top: 5rem;
    padding: 2.5rem;
    border: 1px solid rgba(212,168,67,0.2);
    background: var(--navy-mid);
  }
  .addons h3 {
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
  }
  .addon-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(212,168,67,0.1);
  }
  .addon-item {
    background: var(--navy);
    padding: 1.2rem;
    text-align: center;
  }
  .addon-name { font-size: 0.85rem; color: var(--white-dim); }
  .addon-price {
    font-family: var(--mono);
    font-size: 0.9rem;
    color: var(--gold);
    font-weight: 600;
    margin-top: 0.3rem;
  }

  /* ── ABOUT PAGE ── */
  #about {
    padding: 8rem 4rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
  }

  .about-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    margin-bottom: 6rem;
  }

  .about-visual {
    position: relative;
    height: 420px;
  }

  .dc-map {
    width: 100%;
    height: 100%;
    border: 1px solid rgba(212,168,67,0.2);
    background: var(--navy-mid);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }
  .dc-map-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 60% 55%, rgba(212,168,67,0.07) 0%, transparent 70%);
  }
  .dc-map svg { width: 85%; position: relative; z-index: 1; }

  .ping-dot {
    animation: ping 1.8s ease-in-out infinite;
  }
  .ping-dot-2 { animation-delay: 0.6s; }
  .ping-dot-3 { animation-delay: 1.2s; }

  @keyframes ping {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.4); }
  }

  .about-text h2 {
    font-family: var(--display);
    font-weight: 900;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.05;
    margin-bottom: 1.5rem;
  }
  .about-text h2 em { font-style: normal; color: var(--gold); }
  .about-text p { color: var(--white-dim); margin-bottom: 1rem; }

  .timeline {
    margin-top: 6rem;
  }
  .timeline-title {
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 3rem;
  }
  .timeline-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
  }
  .timeline-items::before {
    content: '';
    position: absolute;
    top: 1.4rem;
    left: 12.5%;
    right: 12.5%;
    height: 1px;
    background: linear-gradient(90deg, var(--gold), rgba(212,168,67,0.2));
  }
  .tl-item { padding: 0 1rem; position: relative; }
  .tl-dot {
    width: 12px; height: 12px;
    background: var(--gold);
    margin-bottom: 1rem;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  }
  .tl-year {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--gold);
    letter-spacing: 0.1em;
    margin-bottom: 0.4rem;
  }
  .tl-event {
    font-size: 0.88rem;
    color: var(--white-dim);
    line-height: 1.4;
  }

  .team-section { margin-top: 6rem; }
  .team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5px;
    background: rgba(212,168,67,0.15);
    margin-top: 2.5rem;
  }
  .team-card {
    background: var(--navy-mid);
    padding: 2rem;
    text-align: center;
    transition: background 0.25s;
  }
  .team-card:hover { background: var(--navy-light); }
  .team-avatar {
    width: 70px; height: 70px;
    margin: 0 auto 1rem;
    background: var(--navy-light);
    border: 1px solid rgba(212,168,67,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  }
  .team-name {
    font-family: var(--display);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.2rem;
  }
  .team-role {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  /* ── CONTACT PAGE ── */
  .contact {
    padding: 8rem 4rem 4rem;
    max-width: 1100px;
    margin: 0 auto;
  }

  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 4rem;
    margin-top: 3rem;
  }

  .contact-info h3 {
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 2rem;
  }
  .contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(212,168,67,0.12);
  }
  .contact-item:last-child { border-bottom: none; }
  .contact-icon {
    width: 42px; height: 42px;
    background: rgba(212,168,67,0.1);
    border: 1px solid rgba(212,168,67,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    clip-path: polygon(6px 0%, 100% 0%, calc(100% - 6px) 100%, 0% 100%);
  }
  .contact-detail-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 0.3rem;
  }
  .contact-detail-val { font-size: 0.95rem; color: var(--white-dim); }

  /* FORM */
  .contact-form {
    background: var(--navy-mid);
    padding: 3rem;
    border: 1px solid rgba(212,168,67,0.15);
  }
  .form-title {
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 2rem;
  }
  .form-group { margin-bottom: 1.4rem; }
  .form-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--gold);
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
  }
  .form-input, .form-select, .form-textarea {
    width: 100%;
    background: var(--navy);
    border: 1px solid rgba(212,168,67,0.2);
    color: var(--white);
    font-family: var(--body);
    font-size: 0.95rem;
    padding: 0.8rem 1rem;
    outline: none;
    transition: border-color 0.2s;
    appearance: none;
    -webkit-appearance: none;
  }
  .form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--gold);
  }
  .form-textarea { resize: vertical; min-height: 110px; }
  .form-select { cursor: pointer; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

  .form-submit {
    width: 100%;
    margin-top: 0.5rem;
    padding: 1rem;
    font-family: var(--display);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.06em;
    background: var(--gold);
    color: var(--navy);
    border: none;
    cursor: pointer;
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
    transition: background 0.2s, transform 0.15s;
  }
  .form-submit:hover { background: var(--gold-light); transform: translateY(-2px); }

  .success-msg {
    display: none;
    text-align: center;
    padding: 2rem;
    border: 1px solid rgba(212,168,67,0.35);
    margin-top: 1.5rem;
  }
  .success-msg.show { display: block; }
  .success-msg .check { font-size: 2.5rem; margin-bottom: 0.5rem; }
  .success-msg p { color: var(--white-dim); font-size: 0.9rem; }

  /* ── FOOTER ── */
  footer {
    border-top: 1px solid rgba(212,168,67,0.12);
    padding: 3rem 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4rem;
  }
  .footer-logo {
    font-family: var(--display);
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--gold);
  }
  .footer-copy {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: rgba(245,240,232,0.35);
    letter-spacing: 0.08em;
  }
  .footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
  }
  .footer-links a {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: rgba(245,240,232,0.35);
    text-decoration: none;
    cursor: pointer;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.2s;
  }
  .footer-links a:hover { color: var(--gold); }

  /* ── ANIMATIONS ── */
  @keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links { gap: 1.2rem; }
    #home { padding: 7rem 1.5rem 3rem; }
    .stats-strip { grid-template-columns: repeat(2, 1fr); }
    .features { padding: 4rem 1.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    #pricing, #about, #contact { padding: 7rem 1.5rem 3rem; }
    .pricing-grid { grid-template-columns: 1fr; }
    .about-hero { grid-template-columns: 1fr; gap: 3rem; }
    .about-visual { height: 280px; }
    .timeline-items { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .timeline-items::before { display: none; }
    .team-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .addon-grid { grid-template-columns: 1fr 1fr; }
    footer { flex-direction: column; gap: 1.5rem; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
  }