/* ==================== CSS VARIABLES ==================== */
    :root {
      --accent: #032246;
      --accent-hover: #0a3a6b;
      --accent-glow: rgba(3, 34, 70, 0.12);
      --on-accent: #ffffff;
      --green: #22C55E;
      --red: #EF4444;
      --orange: #F59E0B;
      --radius: 12px;
      --radius-lg: 16px;
      --transition: 0.3s ease;
      --max-width: 1200px;
      --nav-height: 72px;
    }

    [data-theme="dark"] {
      --bg-primary: #0A0A0A;
      --bg-secondary: #111111;
      --bg-card: #1A1A1A;
      --bg-card-hover: #222222;
      --text-primary: #F5F5F5;
      --text-secondary: #A3A3A3;
      --text-muted: #909090;
      --border: #262626;
      --nav-bg: rgba(3, 34, 70, 0.85);
      --accent: #e4c6be;
      --accent-hover: #d8b3a9;
      --accent-glow: rgba(228, 198, 190, 0.14);
      --on-accent: #032246;
    }

    [data-theme="light"] {
      --bg-primary: #FAFAFA;
      --bg-secondary: #F5F5F5;
      --bg-card: #FFFFFF;
      --bg-card-hover: #F0F0F0;
      --text-primary: #171717;
      --text-secondary: #525252;
      --text-muted: #737373;
      --border: #E5E5E5;
      --nav-bg: rgba(250, 250, 250, 0.85);
      --accent: #032246;
      --accent-hover: #0a3a6b;
      --accent-glow: rgba(3, 34, 70, 0.10);
      --on-accent: #ffffff;
    }

    /* ==================== RESET & BASE ==================== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    .skip-link { position: absolute; left: -9999px; top: 0; z-index: 10000; background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: 0 0 8px 0; font-weight: 600; font-size: 0.9rem; text-decoration: none; }
    .skip-link:focus { left: 0; }
    :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: var(--nav-height);
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.6;
      transition: background var(--transition), color var(--transition);
      overflow-x: hidden;
    }

    h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; display: block; }
    ul { list-style: none; }

    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    section { padding: 80px 0; }

    /* ==================== ANIMATIONS ==================== */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .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; }

    /* ==================== NAVIGATION ==================== */
    .nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      height: var(--nav-height);
      background: var(--nav-bg);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      z-index: 1000;
      transition: background var(--transition), border-color var(--transition);
    }

    .nav-inner {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-logo {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-primary);
    }
    .nav-logo span { color: var(--accent); }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-links a {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-primary);
      transition: color var(--transition);
    }
    .nav-links a:hover, .nav-links a.active { color: var(--accent); }

    .nav-controls {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .lang-toggle {
      display: flex;
      align-items: center;
      gap: 4px;
      font-size: 0.85rem;
      font-weight: 600;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 6px 4px;
      cursor: pointer;
      transition: all var(--transition);
    }
    .lang-toggle button {
      background: none;
      border: none;
      color: var(--text-muted);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 4px 8px;
      border-radius: 6px;
      cursor: pointer;
      font-family: inherit;
      transition: all var(--transition);
    }
    .lang-toggle button.active {
      background: var(--accent);
      color: var(--on-accent);
    }

    .theme-toggle {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 8px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all var(--transition);
      color: var(--text-secondary);
    }
    .theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
    .theme-toggle svg { width: 18px; height: 18px; }

    .btn-primary {
      background: var(--accent);
      color: var(--on-accent);
      font-size: 0.9rem;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: 8px;
      border: none;
      cursor: pointer;
      font-family: inherit;
      transition: all var(--transition);
      white-space: nowrap;
      display: inline-block;
    }
    .btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

    .btn-primary-lg {
      font-size: 1.05rem;
      padding: 16px 32px;
      border-radius: 10px;
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 4px;
    }
    .hamburger span {
      width: 24px;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
      transition: all var(--transition);
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: var(--nav-height);
      left: 0; right: 0;
      background: var(--bg-primary);
      border-bottom: 1px solid var(--border);
      padding: 24px;
      z-index: 999;
      flex-direction: column;
      gap: 16px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      font-size: 1rem;
      font-weight: 500;
      color: var(--text-secondary);
      padding: 8px 0;
    }

    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-controls .btn-primary { display: none; }
      .hamburger { display: flex; }
      section { padding: 64px 0; }
    }

    /* ==================== FINAL CTA ==================== */
    .final-cta {
      background: linear-gradient(135deg, #032246 0%, #0a3a6b 100%);
      text-align: center;
      color: #fff;
    }

    .final-cta h2 {
      font-size: clamp(1.75rem, 4vw, 2.5rem);
      margin-bottom: 16px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .final-cta .sub {
      font-size: 1.05rem;
      opacity: 0.9;
      margin-bottom: 32px;
      max-width: 560px;
      margin-left: auto;
      margin-right: auto;
    }

    .final-cta .btn-white {
      background: #e4c6be;
      color: #032246;
      font-size: 1.05rem;
      font-weight: 700;
      padding: 16px 32px;
      border-radius: 10px;
      border: none;
      cursor: pointer;
      font-family: inherit;
      transition: all var(--transition);
      display: inline-block;
    }
    .final-cta .btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

    .final-cta .small-note {
      margin-top: 16px;
      font-size: 0.85rem;
      opacity: 0.8;
    }

    /* ==================== WHATSAPP BUTTON ==================== */
    .whatsapp-float {
      position: fixed;
      bottom: 24px;
      right: 24px;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: #25D366;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
      z-index: 997;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
    }
    .whatsapp-float:hover {
      transform: scale(1.1);
      box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
    }
    .whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

    @media (max-width: 768px) {
      .whatsapp-float { bottom: 88px; } /* clear the mobile-cta bar */
    }

    /* ==================== FOOTER ==================== */
    .footer {
      background: linear-gradient(180deg, #032246 0%, #021a35 100%);
      border-top: 1px solid #0a3a6b;
      color: #cdd9e8;
      padding: 48px 0 32px;
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 32px;
    }

    .footer-logo {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .footer-logo span { color: var(--accent); }

    .footer-tagline {
      color: var(--text-muted);
      font-size: 0.9rem;
      margin-bottom: 16px;
    }

    .footer-socials {
      display: flex;
      gap: 12px;
    }
    .footer-socials a {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-muted);
      transition: all var(--transition);
    }
    .footer-socials a:hover { border-color: var(--accent); color: var(--accent); }
    .footer-socials svg { width: 16px; height: 16px; }

    .footer-col h4 {
      font-size: 0.85rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .footer-col a {
      display: block;
      color: var(--text-secondary);
      font-size: 0.9rem;
      margin-bottom: 10px;
      transition: color var(--transition);
    }
    .footer-col a:hover { color: var(--accent); }

    .footer-bottom {
      border-top: 1px solid var(--border);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      color: var(--text-muted);
      font-size: 0.8rem;
    }

    @media (max-width: 768px) {
      .footer-inner { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

    /* ==================== MOBILE CTA ==================== */
    .mobile-cta {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0; right: 0;
      padding: 12px 24px;
      background: var(--nav-bg);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-top: 1px solid var(--border);
      z-index: 998;
    }
    .mobile-cta .btn-primary { width: 100%; text-align: center; display: block; }

    @media (max-width: 768px) {
      .mobile-cta { display: block; }
      .footer { padding-bottom: 80px; }
    }
    /* ==================== BRAND (Midnight Blue + Misty Rose) ==================== */
    .nav-logo { display: inline-flex; align-items: center; }
    .brand-logo { height: 44px; width: auto; display: block; }
    .brand-logo--on-light { display: none; }
    [data-theme="light"] .brand-logo--on-dark { display: none; }
    [data-theme="light"] .brand-logo--on-light { display: block; }
    .brand-logo--footer { height: 50px; }
    .footer .footer-tagline { color: #9fb2c9; }
    .footer .footer-col h4 { color: #7c93ad; }
    .footer .footer-col a { color: #cdd9e8; }
    .footer .footer-col a:hover { color: #ffffff; }
    .footer .footer-socials a { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.14); color: #cdd9e8; }
    .footer .footer-socials a:hover { border-color: #e4c6be; color: #e4c6be; }
    .footer .footer-bottom { color: #8499b0; border-top-color: #0e2f55; }
    .nav-links .nav-sep { width:1px; height:18px; background:var(--border); align-self:center; flex-shrink:0; }
    .mobile-menu .nav-sep { display:block; width:100%; height:1px; background:var(--border); margin:6px 0; }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .reveal, .reveal.visible { opacity: 1; transform: none; transition: none; }
    }
    h1, h2 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; letter-spacing: -0.3px; }