:root {
      --bigo-primary: #2563eb;
      --bigo-accent: #f97316;
      --bigo-dark: #0f172a;
      --bigo-muted: #6b7280;
      --bigo-card: #ffffff;
      --bigo-radius: 20px;
      --bigo-shadow: 0 22px 50px rgba(15, 23, 42, 0.15);
    }

    /* Hero */
    #hero-contact {
      background: radial-gradient(circle at top left, #1d4ed8 0, #020617 60%, #000);
      padding: 130px 0 95px;
      color: #e5e7eb;
      position: relative;
      overflow: hidden;
    }

    #hero-contact h1 {
      font-size: 2.7rem;
      font-weight: 800;
      text-shadow: 0 4px 22px rgba(0, 0, 0, 0.6);
    }

    #hero-contact h1 span {
      color: #facc15;
    }

    #hero-contact p {
      font-size: 1.05rem;
      max-width: 620px;
      color: #cbd5f6;
    }

    .hero-chip-row {
      margin-top: 20px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .hero-chip {
      background: rgba(15, 23, 42, 0.85);
      padding: 6px 13px;
      border-radius: 999px;
      color: #e5e7eb;
      border: 1px solid rgba(148, 163, 184, 0.7);
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.84rem;
    }

    .hero-chip i {
      color: var(--bigo-accent);
      font-size: 1rem;
    }

    /* Section title */
    .section-title {
      text-align: center;
      margin-bottom: 35px;
    }

    .section-title h2 {
      font-size: 0.95rem;
      letter-spacing: 0.14em;
      color: var(--bigo-primary);
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .section-title h3 {
      font-size: 2rem;
      font-weight: 800;
      color: #0f172a;
    }

    .section-title h3 span {
      color: var(--bigo-primary);
    }

    .section-title p {
      color: var(--bigo-muted);
      font-size: 0.95rem;
      max-width: 630px;
      margin: 0 auto;
    }

    /* Cards */
    .contact-card {
      background: var(--bigo-card);
      border-radius: var(--bigo-radius);
      padding: 24px 26px;
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: var(--bigo-shadow);
      overflow: hidden;
      position: relative;
      word-wrap: break-word;
    }

    .contact-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 12px;
      bottom: 12px;
      width: 4px;
      border-radius: 999px;
      background: linear-gradient(180deg, #ef4444, #f97316);
    }

    .contact-card h4 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .contact-card p {
      font-size: 0.95rem;
      color: var(--bigo-muted);
      margin: 0;
      word-wrap: break-word;
    }

    .contact-card i {
      font-size: 2rem;
      color: var(--bigo-primary);
      margin-bottom: 10px;
    }

    /* Form */
    .contact-form-box {
      background: var(--bigo-card);
      padding: 26px;
      border-radius: var(--bigo-radius);
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: var(--bigo-shadow);
      position: relative;
    }

    .contact-form-box::before {
      content: "";
      position: absolute;
      left: 0;
      top: 12px;
      bottom: 12px;
      width: 4px;
      background: linear-gradient(180deg, #ef4444, #f97316);
      border-radius: 999px;
    }

    .contact-form-box input,
    .contact-form-box textarea {
      width: 100%;
      padding: 10px 14px;
      border-radius: 10px;
      border: 1px solid #d1d5db;
      margin-bottom: 12px;
      font-size: 0.95rem;
    }

    .contact-form-box button {
      background: linear-gradient(135deg, #f97316, #fb923c);
      padding: 10px 24px;
      border-radius: 999px;
      border: none;
      color: white;
      font-size: 0.95rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 10px 25px rgba(249, 158, 31, 0.5);
    }

    .contact-form-box button:hover {
      transform: translateY(-2px);
    }

    .manual-contact-note {
      font-size: 0.9rem;
      color: var(--bigo-muted);
      margin-bottom: 12px;
    }

    .form-status {
      margin-bottom: 12px;
      padding: 10px 14px;
      border-radius: 10px;
      background: #fef2f2;
      border: 1px solid #fecaca;
      color: #b91c1c;
      font-size: 0.9rem;
    }

    /* WhatsApp CTA */
    .cta-box {
      background: linear-gradient(135deg, #2563eb, #1e40af);
      padding: 40px 30px;
      border-radius: 22px;
      color: white;
      text-align: center;
      box-shadow: var(--bigo-shadow);
    }

    .cta-box h3 {
      font-weight: 800;
      font-size: 1.8rem;
      margin-bottom: 8px;
    }

    .cta-box p {
      margin-bottom: 12px;
      opacity: .95;
    }

    .cta-box a {
      background: #22c55e;
      padding: 10px 24px;
      color: white;
      border-radius: 999px;
      text-decoration: none;
      font-weight: 600;
      display: inline-block;
    }