 :root {
    --liat-red: #C8102E;
    --liat-red-dark: #A00D24;
    --liat-gold: #D4A017;
    --liat-gold-light: #F0D060;
    --liat-navy: #0B1D3A;
    --liat-navy-light: #14294D;
    --liat-sky: #4AAFE0;
    --liat-sky-light: #E8F4FD;
    --liat-white: #FFFFFF;
    --liat-gray: #F5F6F8;
    --liat-text: #2C3E50;
    --liat-text-light: #6B7C93;
    --liat-border: #DCE1E8;
    --liat-success: #27AE60;
    --shadow-sm: 0 1px 3px rgba(11,29,58,0.08);
    --shadow-md: 0 4px 16px rgba(11,29,58,0.10);
    --shadow-lg: 0 12px 40px rgba(11,29,58,0.14);
    --radius: 10px;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Nunito', sans-serif; }

  body {
    font-family: 'Nunito', sans-serif;
    background: var(--liat-gray);
    color: var(--liat-text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
  }

  /* ─── NAVBAR ─── */
  .navbar {
    background: var(--liat-navy);
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.25);
  }
  .navbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
  }
  .logo-icon {
    width: 42px;
    height: 42px;
    background: var(--liat-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 13px;
    letter-spacing: 1px;
    border: 2px solid var(--liat-gold);
  }
  .logo-text {
    font-family: 'Nunito', sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--liat-white);
    letter-spacing: 3px;
  }
  .logo-sub {
    color: var(--liat-gold);
    font-size: 10px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    font-weight: 500;
    margin-top: -2px;
  }
  .nav-links {
    display: flex;
    gap: 4px;
    list-style: none;
    align-items: center;
  }
  .nav-links a {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.2s;
    letter-spacing: 0.3px;
  }
  .nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }
  .nav-links a.active {
    color: var(--liat-gold);
    background: rgba(212,160,23,0.12);
    font-weight: 600;
  }

  /* ─── HERO BANNER ─── */
  .hero {
    background: #07427e;
    padding: 60px 40px 50px;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -40px;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(200,16,46,0.1) 0%, transparent 65%);
    border-radius: 50%;
  }
  .hero::after {
    content: '';
    position: absolute;
    bottom: -120px;
    left: 10%;
    width: 700px;
    height: 350px;
    background: radial-gradient(ellipse, rgba(212,160,23,0.06) 0%, transparent 70%);
  }
  /* Decorative plane silhouette */
  .hero-plane {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.06;
    font-size: 220px;
    line-height: 1;
    pointer-events: none;
    user-select: none;
  }
  .hero-inner {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(200,16,46,0.7);
    border: 1px solid rgba(200,16,46,0.3);
    color: #fafafa;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
    animation: fadeDown 0.6s ease;
  }
  .hero h1 {
    font-family: 'Nunito', sans-serif;
    font-size: 44px;
    color: var(--liat-white);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 14px;
    animation: fadeDown 0.6s ease 0.1s both;
  }
  .hero h1 span { color: var(--liat-gold); }
  .hero p {
    color: rgba(255,255,255,0.65);
    font-size: 16.5px;
    line-height: 1.7;
    max-width: 620px;
    animation: fadeDown 0.6s ease 0.2s both;
  }

  /* Aircraft type pills */
  .aircraft-pills {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    flex-wrap: wrap;
    animation: fadeDown 0.6s ease 0.3s both;
  }
  .aircraft-pill {
    background: rgba(39, 90, 161, 0.5);
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 10px;
    padding: 14px 20px;
    text-align: center;
    min-width: 130px;
    transition: all 0.25s;
  }
  .aircraft-pill:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(212,160,23,0.8);
    transform: translateY(-2px);
  }
  .aircraft-pill .ac-icon {
    font-size: 22px;
    margin-bottom: 6px;
    color: #fafafa;
  }
  .aircraft-pill .ac-name {
    font-size: 17px;
    font-weight: 800;
    color: var(--liat-gold);
  }
  .aircraft-pill .ac-seats {
    font-size: 11px;
    color: rgb(255,255,255);
    margin-top: 2px;
  }

  /* ─── MAIN CONTENT ─── */
  .main {
    max-width: 1100px;
    margin: -30px auto 60px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 28px;
    position: relative;
    z-index: 10;
  }

  /* ─── FORM CARD ─── */
  .card {
    background: var(--liat-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
  }
  .card-header {
    padding: 28px 32px 0;
  }
  .card-header h2 {
    font-family: 'Nunito', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--liat-navy);
    margin-bottom: 4px;
  }
  .card-header p {
    color: var(--liat-text-light);
    font-size: 14px;
    line-height: 1.6;
  }
  .form-body {
    padding: 24px 32px 32px;
  }
  .form-section-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--liat-red);
    margin-bottom: 16px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .form-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--liat-border);
  }
  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 4px;
  }
  .form-row.three {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .form-group {
    margin-bottom: 16px;
  }
  .form-group.full { grid-column: 1 / -1; }
  .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--liat-navy);
    margin-bottom: 6px;
  }
  .form-group label .req {
    color: var(--liat-red);
    margin-left: 2px;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--liat-border);
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    font-size: 14px;
    color: var(--liat-text);
    background: var(--liat-white);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
  }
  .form-group input::placeholder,
  .form-group textarea::placeholder {
    color: #B0BBCA;
  }
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    border-color: var(--liat-sky);
    box-shadow: 0 0 0 3px rgba(74,175,224,0.12);
  }
  .form-group textarea {
    resize: vertical;
    min-height: 90px;
  }
  .form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B7C93' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
  }
  .form-group .hint {
    font-size: 12px;
    color: var(--liat-text-light);
    margin-top: 5px;
  }

  /* Multi-leg section */
  .leg-block {
    background: var(--liat-gray);
    border-radius: 8px;
    padding: 18px 18px 4px;
    margin-bottom: 16px;
    border: 1px solid var(--liat-border);
    position: relative;
  }
  .leg-label {
    position: absolute;
    top: -10px;
    left: 16px;
    background: var(--liat-red);
    color: white;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 2px 12px;
    border-radius: 4px;
  }
  .add-leg-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Nunito', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--liat-sky);
    background: transparent;
    border: 1.5px dashed rgba(74,175,224,0.4);
    border-radius: 8px;
    padding: 10px 18px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 16px;
  }
  .add-leg-btn:hover {
    background: rgba(74,175,224,0.06);
    border-color: var(--liat-sky);
  }
  .remove-leg {
    position: absolute;
    top: 10px;
    right: 12px;
    background: none;
    border: none;
    font-size: 18px;
    color: var(--liat-text-light);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all 0.2s;
  }
  .remove-leg:hover { color: var(--liat-red); background: rgba(200,16,46,0.06); }

  .btn-submit {
    width: 100%;
    padding: 14px 24px;
    background: var(--liat-red);
    color: white;
    border: none;
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.25s;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
  }
  .btn-submit:hover {
    background: var(--liat-red-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(200,16,46,0.3);
  }
  .btn-submit:active { transform: translateY(0); }

  .form-note {
    text-align: center;
    font-size: 12px;
    color: var(--liat-text-light);
    margin-top: 14px;
    line-height: 1.6;
  }

  /* ─── SIDEBAR ─── */
  .sidebar { display: flex; flex-direction: column; gap: 20px; }

  .contact-card {
    background: var(--liat-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 28px 24px;
  }
  .contact-card h3 {
    font-family: 'Nunito', sans-serif;
    font-size: 19px;
    font-weight: 700;
    color: var(--liat-navy);
    margin-bottom: 6px;
  }
  .contact-card > p {
    font-size: 13.5px;
    color: var(--liat-text-light);
    line-height: 1.6;
    margin-bottom: 20px;
  }
  .contact-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 14px 0;
    border-top: 1px solid var(--liat-border);
  }
  .contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
  }
  .contact-icon.phone { background: rgba(39,174,96,0.1); color: var(--liat-success); }
  .contact-icon.email { background: rgba(200,16,46,0.08); color: var(--liat-red); }
  .contact-icon.whatsapp { background: rgba(37,211,102,0.1); color: #25D366; }
  .contact-icon.hours { background: rgba(212,160,23,0.12); color: var(--liat-gold); }
  .contact-detail .label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--liat-text-light);
    margin-bottom: 3px;
  }
  .contact-detail .value {
    font-size: 15px;
    font-weight: 600;
    color: var(--liat-navy);
  }
  .contact-detail .value a {
    color: var(--liat-navy);
    text-decoration: none;
  }
  .contact-detail .value a:hover { color: var(--liat-red); }
  .contact-detail .sub {
    font-size: 12.5px;
    color: var(--liat-text-light);
    margin-top: 2px;
  }

  /* ─── USE CASES CARD ─── */
  .usecases-card {
    background: #07427e;
    border-radius: var(--radius);
    padding: 28px 24px;
    color: white;
    position: relative;
    overflow: hidden;
  }
  .usecases-card::before {
    content: '';
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(200,16,46,0.15) 0%, transparent 70%);
    border-radius: 50%;
  }
  .usecases-card h3 {
    font-family: 'Nunito', sans-serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 18px;
    color: #fafafa;
    position: relative;
  }
  .usecase-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 16px;
    position: relative;
  }
  .usecase-icon {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 17px;
  }
  .usecase-item .uc-title {
    font-size: 13.5px;
    font-weight: 600;
    color: white;
    margin-bottom: 2px;
  }
  .usecase-item .uc-desc {
    font-size: 12.5px;
    line-height: 1.5;
    color: rgba(255,255,255,0.55);
  }

  /* ─── PRICING HINT CARD ─── */
  .pricing-card {
    background: var(--liat-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 28px 24px;
    /*border-left: 4px solid var(--liat-gold);*/
  }
  .pricing-card h3 {
    font-family: 'Nunito', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--liat-navy);
    margin-bottom: 12px;
  }
  .pricing-card p {
    font-size: 13.5px;
    color: var(--liat-text-light);
    line-height: 1.65;
    margin-bottom: 10px;
  }
  .pricing-factors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 16px;
  }
  .pricing-factor {
    background: var(--liat-gray);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
  }
  .pricing-factor .pf-icon { font-size: 20px; margin-bottom: 4px; }
  .pricing-factor .pf-label {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--liat-navy);
  }

  /* ─── FAQ CARD ─── */
  .faq-card {
    background: var(--liat-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 28px 24px;
  }
  .faq-card h3 {
    font-family: 'Nunito', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--liat-navy);
    margin-bottom: 16px;
  }
  .faq-item {
    border-bottom: 1px solid var(--liat-border);
    padding: 12px 0;
  }
  .faq-item:last-child { border-bottom: none; }
  .faq-q {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--liat-navy);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
  }
  .faq-q .arrow {
    font-size: 16px;
    transition: transform 0.3s;
    color: var(--liat-text-light);
  }
  .faq-a {
    font-size: 13px;
    color: var(--liat-text-light);
    line-height: 1.65;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
  }
  .faq-item.open .faq-a {
    max-height: 140px;
    padding-top: 10px;
  }
  .faq-item.open .arrow { transform: rotate(180deg); }

  /* ─── SUCCESS OVERLAY ─── */
  .success-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(11,29,58,0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    align-items: center;
    justify-content: center;
  }
  .success-overlay.show { display: flex; }
  .success-box {
    background: white;
    border-radius: 16px;
    padding: 48px 40px;
    text-align: center;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    animation: popIn 0.4s ease;
  }
  .success-icon {
    width: 64px;
    height: 64px;
    background: rgba(39,174,96,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: var(--liat-success);
  }
  .success-box h3 {
    font-family: 'Nunito', sans-serif;
    font-size: 24px;
    color: var(--liat-navy);
    margin-bottom: 10px;
  }
  .success-box p {
    color: var(--liat-text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
  }
  .success-box button {
    padding: 12px 32px;
    background: var(--liat-navy);
    color: white;
    border: none;
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
  }
  .success-box button:hover { background: var(--liat-navy-light); }

  /* ─── ANIMATIONS ─── */
  @keyframes fadeDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes popIn {
    0% { opacity: 0; transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
  }
  @keyframes slideIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 860px) {
    .navbar { padding: 0 20px; }
    .nav-links { display: none; }
    .hero { padding: 40px 20px 36px; }
    .hero h1 { font-size: 30px; }
    .hero-plane { display: none; }
    .aircraft-pills { gap: 8px; }
    .aircraft-pill { min-width: 100px; padding: 10px 14px; }
    .main {
      grid-template-columns: 1fr;
      padding: 0 16px;
    }
    .form-row { grid-template-columns: 1fr; }
    .form-row.three { grid-template-columns: 1fr; }
    .form-body { padding: 20px 20px 28px; }
    .card-header { padding: 24px 20px 0; }
    .pricing-factors { grid-template-columns: 1fr 1fr; }
  }