:root {
      --color-orange: #E8762D;
      --color-orange-hover: #D4681F;
      --color-orange-light: #F4A261;
      --color-orange-glow: rgba(232, 118, 45, 0.12);
      --color-orange-subtle: rgba(232, 118, 45, 0.06);
      --color-teal: #1A6B6A;
      --color-cream: #FFF9F4;
      --color-sand: #F5EDE4;
      --color-sand-light: #FAF5EF;
      --color-navy: #1B2A4A;
      --color-navy-light: #243656;
      --color-navy-lighter: #2E4268;
      --color-text: #2D2A26;
      --color-text-muted: #7A756E;
      --color-text-light: #9E9890;
      --color-white: #FFFFFF;
      --color-border: rgba(45, 42, 38, 0.08);
      --font-body: 'Poppins', sans-serif;
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 32px;
      --radius-pill: 100px;
      --shadow-soft: 0 4px 24px rgba(45, 42, 38, 0.06);
      --shadow-card: 0 8px 32px rgba(45, 42, 38, 0.08);
      --shadow-elevated: 0 16px 48px rgba(45, 42, 38, 0.12);
      --shadow-glow: 0 8px 40px rgba(232, 118, 45, 0.2);
      --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
      font-family: var(--font-body); font-size: 1.05rem; font-weight: 400;
      line-height: 1.7; color: var(--color-text);
      background-color: var(--color-cream); overflow-x: hidden;
    }

    body.th { font-size: 1.1rem; line-height: 1.85; font-family: 'Sarabun', 'Noto Sans Thai', 'Poppins', sans-serif; }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; transition: var(--transition-smooth); }
    h1, h2, h3, h4, h5 {
      font-family: var(--font-body); font-weight: 800; line-height: 1.15;
      text-transform: uppercase; letter-spacing: -0.01em;
    }
    .container { max-width: 1320px; margin: 0 auto; padding: 0 32px; }
    .reveal {
      opacity: 0; transform: translateY(40px);
      transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }

    /* ==== BTN ==== */
    .btn {
      display: inline-flex; align-items: center; gap: 8px;
      font-family: var(--font-body); font-weight: 700; font-size: 0.88rem;
      border: none; cursor: pointer; transition: var(--transition-smooth);
      letter-spacing: 0.02em; text-transform: uppercase;
    }
    .btn-primary {
      background: var(--color-orange); color: var(--color-white);
      padding: 12px 28px; border-radius: var(--radius-pill);
    }
    .btn-primary:hover { background: var(--color-orange-hover); box-shadow: var(--shadow-glow); transform: translateY(-1px); }
    .btn-large { padding: 16px 32px; font-size: 1rem; }
    .btn-outline {
      background: transparent; color: white; border: 2px solid rgba(255,255,255,0.4);
      padding: 14px 30px; border-radius: var(--radius-pill);
    }
    .btn-outline:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.6); }

    /* ==== NAVBAR ==== */
    .navbar {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      padding: 18px 0; transition: var(--transition-smooth);
      background: rgba(255, 249, 244, 0.95);
      backdrop-filter: blur(20px) saturate(1.4);
      -webkit-backdrop-filter: blur(20px) saturate(1.4);
      box-shadow: 0 1px 24px rgba(45, 42, 38, 0.06);
    }
    .navbar.scrolled { padding: 10px 0; background: rgba(255, 249, 244, 0.85); }
    .navbar .container { display: flex; align-items: center; justify-content: space-between; }
    .nav-logo img { height: 48px; width: auto; display: block; }
    .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
    .nav-links a {
      font-size: 0.88rem; font-weight: 600; color: var(--color-text-muted);
      letter-spacing: 0.04em; text-transform: uppercase; position: relative;
    }
    .nav-links a::after {
      content: ''; position: absolute; bottom: -4px; left: 0; width: 0;
      height: 2px; background: var(--color-orange); border-radius: 2px;
      transition: var(--transition-smooth);
    }
    .nav-links a:hover { color: var(--color-text); }
    .nav-links a:hover::after { width: 100%; }
    .nav-right { display: flex; align-items: center; gap: 16px; }
    .lang-toggle {
      display: flex; background: var(--color-sand); border-radius: var(--radius-pill);
      padding: 3px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em;
    }
    .lang-toggle a {
      padding: 5px 12px; border-radius: var(--radius-pill); cursor: pointer;
      color: var(--color-text-muted); text-decoration: none;
    }
    .lang-toggle a.active { background: var(--color-white); color: var(--color-text); box-shadow: 0 2px 8px rgba(45, 42, 38, 0.08); }
    .btn-nav { padding: 10px 24px; }
    .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; z-index: 1001; }
    .hamburger span { width: 24px; height: 2px; background: var(--color-text); border-radius: 2px; transition: var(--transition-smooth); }
    .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
    .mobile-menu {
      display: none; position: fixed; top: 0; right: -100%; width: 320px; height: 100vh;
      background: var(--color-cream); padding: 100px 40px 40px;
      box-shadow: -8px 0 40px rgba(45, 42, 38, 0.1);
      transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1); z-index: 999;
    }
    .mobile-menu.open { right: 0; }
    .mobile-menu a {
      display: block; font-size: 1.1rem; font-weight: 600; color: var(--color-text);
      padding: 16px 0; border-bottom: 1px solid var(--color-border);
      text-transform: uppercase; letter-spacing: 0.04em;
    }
    .mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(45, 42, 38, 0.3); z-index: 998; opacity: 0; transition: opacity 0.4s ease; }
    .mobile-overlay.open { opacity: 1; }
    /* === KOHME MOBILE LAYOUT FIXES === */
    html, body { overflow-x: clip; max-width: 100%; }
    .hero { overflow: clip; }
    .btn, .btn-nav, .btn-primary, .btn-secondary { white-space: nowrap; }
    .nav-right { flex-wrap: nowrap; min-width: 0; }
    @media (max-width: 480px) {
      .btn-nav { padding: 9px 16px; font-size: 0.82rem; }
      .nav-right { gap: 10px; }
      .container { padding-left: 20px; padding-right: 20px; }
    }
    /* === /KOHME MOBILE LAYOUT FIXES === */

  

    /* === Mobile menu lang toggle (T-LANG-001 2026-04-30) === */
    .mobile-menu .lang-toggle {
      display: flex; margin: 0 0 20px; align-self: flex-start;
      background: var(--color-sand); border-radius: var(--radius-pill);
      padding: 4px; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em;
      width: fit-content;
    }
    .mobile-menu .lang-toggle a {
      padding: 6px 16px; border-radius: var(--radius-pill);
      color: var(--color-text-muted); text-decoration: none;
      transition: var(--transition-smooth); border-bottom: none;
      font-size: inherit; font-weight: inherit; letter-spacing: inherit;
      display: inline-block;
    }
    .mobile-menu .lang-toggle a.active {
      background: var(--color-white); color: var(--color-text);
      box-shadow: 0 2px 8px rgba(45, 42, 38, 0.08);
    }

    /* === Partnership floating widgets (T-LANG-001 / T-CONTACT-001 2026-04-30) === */
    .partner-floats {
      position: fixed; right: 20px; bottom: 20px; z-index: 1000;
      display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
      pointer-events: none;
    }
    .partner-floats > * { pointer-events: auto; }
    .floating-lang {
      background: var(--color-cream); border: 1px solid var(--color-border);
      border-radius: var(--radius-pill); box-shadow: var(--shadow-card);
      display: flex; padding: 4px; font-size: 0.78rem; font-weight: 700;
      letter-spacing: 0.04em;
    }
    .floating-lang a {
      padding: 6px 14px; border-radius: var(--radius-pill);
      color: var(--color-text-muted); text-decoration: none;
      transition: var(--transition-smooth);
    }
    .floating-lang a.active { background: var(--color-text); color: var(--color-cream); }
    .floating-lang a:hover:not(.active) { color: var(--color-text); }
    .floating-contact { position: relative; }
    .floating-contact-toggle {
      width: 56px; height: 56px; border-radius: 50%;
      background: var(--color-cream); cursor: pointer;
      border: 2px solid rgba(37, 211, 102, 0.4);
      display: flex; align-items: center; justify-content: center;
      color: #1FAE54; box-shadow: var(--shadow-card);
      transition: var(--transition-smooth); padding: 0;
    }
    .floating-contact-toggle:hover {
      border-color: #25D366; transform: translateY(-2px);
      box-shadow: 0 8px 28px rgba(37, 211, 102, 0.25);
    }
    .floating-contact-toggle svg { width: 24px; height: 24px; flex-shrink: 0; }
    .floating-contact[aria-expanded="true"] .floating-contact-toggle {
      border-color: #25D366; background: #25D366; color: white;
    }
    .floating-contact-panel {
      position: absolute; right: 0; bottom: calc(100% + 12px);
      min-width: 240px; padding: 8px;
      background: var(--color-cream); border: 1px solid var(--color-border);
      border-radius: var(--radius-md); box-shadow: var(--shadow-elevated);
      display: flex; flex-direction: column; gap: 4px;
      opacity: 0; transform: translateY(8px) scale(0.95);
      transform-origin: bottom right; pointer-events: none; visibility: hidden;
      transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                  transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                  visibility 0s linear 0.25s;
    }
    .floating-contact[aria-expanded="true"] .floating-contact-panel {
      opacity: 1; transform: translateY(0) scale(1);
      pointer-events: auto; visibility: visible; transition-delay: 0s;
    }
    .floating-contact-panel a {
      display: flex; align-items: center; gap: 12px; padding: 10px 12px;
      border-radius: var(--radius-sm); text-decoration: none;
      font-size: 0.92rem; font-weight: 700; color: var(--color-text);
      transition: var(--transition-smooth); line-height: 1.2;
    }
    .floating-contact-panel a:hover { background: var(--color-orange-subtle); }
    .floating-contact-panel a .ico {
      width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
      display: flex; align-items: center; justify-content: center; color: white;
    }
    .floating-contact-panel a .ico svg { width: 20px; height: 20px; flex-shrink: 0; }
    .floating-contact-panel a.wa .ico { background: #25D366; }
    .floating-contact-panel a.line .ico { background: #06C755; }
    .floating-contact-panel a small {
      display: block; font-weight: 500; color: var(--color-text-muted);
      font-size: 0.76rem; margin-top: 2px;
    }
    @media (max-width: 480px) {
      .partner-floats { right: 14px; bottom: 14px; gap: 10px; }
      .floating-lang { font-size: 0.74rem; padding: 3px; }
      .floating-lang a { padding: 5px 12px; }
      .floating-contact-toggle { width: 52px; height: 52px; }
      .floating-contact-panel { min-width: 220px; }
    }