:root {
    --vb-navy: #081a3a;
    --vb-navy-2: #10295b;
    --vb-blue: #2f63ff;
    --vb-violet: #7057ff;
    --vb-sky: #eef5ff;
    --vb-white: #ffffff;
    --vb-text: #172033;
    --vb-muted: #677089;
    --vb-border: rgba(255, 255, 255, 0.16);
    --vb-shadow: 0 24px 70px rgba(8, 26, 58, 0.18);
    --vb-radius: 28px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--vb-text);
    background: linear-gradient(180deg, #f7fbff 0%, #ffffff 52%, #f4f8ff 100%);
}

a { color: inherit; text-decoration: none; }

button, input, select { font: inherit; }

.vb-container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.vb-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(8, 26, 58, 0.08);
}

.vb-nav {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.vb-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    color: var(--vb-navy);
}

.vb-logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--vb-blue), var(--vb-violet));
    box-shadow: 0 12px 28px rgba(47, 99, 255, 0.28);
}

.vb-logo-text { font-size: 1.25rem; letter-spacing: -0.03em; }

.vb-menu {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #40506e;
    font-weight: 700;
    font-size: 0.94rem;
}

.vb-menu a {
    padding: 10px 12px;
    border-radius: 999px;
}

.vb-menu a:hover,
.vb-menu a.active {
    color: var(--vb-blue);
    background: #eef4ff;
}

.vb-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 14px;
    background: #eef4ff;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.vb-menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--vb-navy);
    border-radius: 99px;
}

.vb-hero { padding: 72px 0 52px; }

.vb-hero-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 48px;
    align-items: center;
}

.vb-pill {
    display: inline-flex;
    align-items: center;
    padding: 9px 14px;
    border-radius: 999px;
    background: #eaf1ff;
    color: var(--vb-blue);
    font-weight: 900;
    font-size: 0.84rem;
    margin-bottom: 22px;
}

.vb-hero h1 {
    margin: 0;
    color: var(--vb-navy);
    font-size: clamp(2.6rem, 5vw, 5.25rem);
    line-height: 0.94;
    letter-spacing: -0.075em;
}

.vb-lead {
    margin: 24px 0 0;
    color: #52617c;
    font-size: 1.15rem;
    line-height: 1.75;
    max-width: 620px;
}

.vb-trust-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 34px 0;
}

.vb-trust-card {
    padding: 18px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(8, 26, 58, 0.08);
    box-shadow: 0 16px 42px rgba(8, 26, 58, 0.06);
}

.vb-trust-card strong {
    display: block;
    color: var(--vb-navy);
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.vb-trust-card span {
    color: var(--vb-muted);
    font-weight: 700;
    font-size: 0.9rem;
}

.vb-note {
    padding: 18px 20px;
    border-left: 4px solid var(--vb-blue);
    border-radius: 18px;
    background: #fff;
    color: #5c6780;
    line-height: 1.6;
    box-shadow: 0 18px 48px rgba(8, 26, 58, 0.06);
}

.vb-simulator-card {
    background: radial-gradient(circle at top right, rgba(112,87,255,0.34), transparent 34%), linear-gradient(145deg, var(--vb-navy), var(--vb-navy-2));
    color: #fff;
    border-radius: var(--vb-radius);
    padding: 30px;
    box-shadow: var(--vb-shadow);
    min-height: 680px;
}

.vb-card-header {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.vb-step-label {
    display: block;
    color: #b9c9ff;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
}

.vb-card-header h2 {
    margin: 6px 0 0;
    font-size: 2rem;
    letter-spacing: -0.04em;
}

.vb-progress-badge {
    white-space: nowrap;
    border: 1px solid var(--vb-border);
    padding: 8px 11px;
    border-radius: 999px;
    color: #dce6ff;
    font-weight: 800;
    font-size: 0.82rem;
}

.vb-progress-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 24px;
}

.vb-progress-bar {
    height: 100%;
    width: 16.66%;
    border-radius: inherit;
    background: linear-gradient(90deg, #68d8ff, #8670ff);
    transition: width 0.25s ease;
}

.vb-alert {
    background: rgba(255, 217, 102, 0.16);
    color: #fff3c0;
    border: 1px solid rgba(255, 217, 102, 0.28);
    border-radius: 16px;
    padding: 12px 14px;
    margin-bottom: 18px;
    line-height: 1.45;
}

.vb-form { margin-top: 8px; }

.vb-step { display: none; animation: vbFade 0.22s ease; }
.vb-step.active { display: block; }

@keyframes vbFade {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.vb-step h3 {
    margin: 0;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
}

.vb-step p {
    color: #cbd7ff;
    margin: 8px 0 20px;
    line-height: 1.55;
}

.vb-choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.vb-choice-grid.one-col { grid-template-columns: 1fr; }

.vb-choice-grid label {
    display: block;
    cursor: pointer;
}

.vb-choice-grid input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.vb-choice-grid span {
    min-height: 52px;
    display: flex;
    align-items: center;
    padding: 14px 15px;
    border-radius: 17px;
    border: 1px solid var(--vb-border);
    background: rgba(255, 255, 255, 0.08);
    color: #f5f8ff;
    font-weight: 800;
    transition: 0.18s ease;
}

.vb-choice-grid input:checked + span {
    border-color: rgba(135, 198, 255, 0.75);
    background: rgba(47, 99, 255, 0.45);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.16);
}

.vb-field {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
}

.vb-field span,
.vb-field legend {
    color: #e9efff;
    font-weight: 850;
    font-size: 0.92rem;
}

.vb-field input,
.vb-field select {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.95);
    color: #12213d;
    border-radius: 16px;
    padding: 14px 15px;
    outline: none;
}

.vb-field input:focus,
.vb-field select:focus {
    border-color: #8bc7ff;
    box-shadow: 0 0 0 4px rgba(139,199,255,0.15);
}

.vb-inline-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.vb-inline-options label {
    flex: 1 1 120px;
}

.vb-inline-options input {
    position: absolute;
    opacity: 0;
}

.vb-inline-options span {
    display: block;
    text-align: center;
    padding: 12px 10px;
    border-radius: 15px;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--vb-border);
    color: #fff;
    font-weight: 800;
    cursor: pointer;
}

.vb-inline-options input:checked + span {
    background: rgba(47,99,255,0.46);
    border-color: rgba(139,199,255,0.72);
}

.vb-form-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 24px;
}

.vb-btn {
    border: 0;
    border-radius: 999px;
    padding: 14px 20px;
    cursor: pointer;
    font-weight: 950;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.16s ease, box-shadow 0.16s ease, opacity 0.16s ease;
}

.vb-btn:hover { transform: translateY(-1px); }
.vb-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.vb-btn.primary {
    color: #fff;
    background: linear-gradient(135deg, var(--vb-blue), var(--vb-violet));
    box-shadow: 0 14px 34px rgba(47,99,255,0.35);
}

.vb-btn.secondary {
    color: #fff;
    background: rgba(255,255,255,0.12);
    border: 1px solid var(--vb-border);
}

.vb-btn.light {
    color: var(--vb-navy);
    background: #fff;
    margin-top: 8px;
}

.hidden { display: none !important; }

.vb-result { animation: vbFade 0.25s ease; }

.vb-result-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 18px 0;
}

.vb-result-head span {
    color: #b9c9ff;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
}

.vb-result-head button {
    border: 1px solid var(--vb-border);
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-radius: 999px;
    padding: 9px 12px;
    cursor: pointer;
    font-weight: 800;
}

.vb-result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.vb-price-card {
    padding: 16px;
    border-radius: 20px;
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--vb-border);
}

.vb-price-card span {
    display: block;
    color: #cdd9ff;
    font-size: 0.8rem;
    font-weight: 850;
    margin-bottom: 10px;
}

.vb-price-card strong {
    display: block;
    color: #fff;
    font-size: clamp(1.2rem, 2.4vw, 1.7rem);
    letter-spacing: -0.04em;
}

.vb-result-details {
    margin-top: 18px;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--vb-border);
    border-radius: 20px;
    padding: 16px;
}

.vb-result-details h4,
.vb-contact-box h4 {
    margin: 0 0 12px;
    font-size: 1rem;
}

.vb-result-details ul {
    margin: 0;
    padding-left: 18px;
    color: #dce6ff;
    line-height: 1.6;
}

.vb-contact-box {
    margin-top: 16px;
    padding: 18px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(47,99,255,0.58), rgba(112,87,255,0.5));
}

.vb-contact-box p {
    margin: 0 0 12px;
    color: #eef3ff;
    line-height: 1.55;
}

.vb-pro-section { padding: 40px 0 80px; }

.vb-section-title {
    text-align: center;
    margin-bottom: 32px;
}

.vb-section-title span {
    color: var(--vb-blue);
    font-weight: 950;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
}

.vb-section-title h2 {
    margin: 8px 0 0;
    color: var(--vb-navy);
    font-size: clamp(2rem, 4vw, 3.4rem);
    letter-spacing: -0.06em;
}

.vb-pro-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.vb-pro-card {
    background: #fff;
    border: 1px solid rgba(8,26,58,0.08);
    border-radius: 26px;
    padding: 24px;
    box-shadow: 0 18px 50px rgba(8,26,58,0.07);
}

.vb-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 950;
    background: linear-gradient(135deg, var(--vb-blue), var(--vb-violet));
    margin-bottom: 18px;
}

.vb-pro-card h3 {
    margin: 0 0 10px;
    color: var(--vb-navy);
    font-size: 1.25rem;
    letter-spacing: -0.03em;
}

.vb-pro-card p {
    margin: 0;
    color: var(--vb-muted);
    line-height: 1.65;
}

@media (max-width: 980px) {
    .vb-menu-toggle { display: flex; }
    .vb-menu {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 76px;
        padding: 14px;
        border-radius: 22px;
        background: #fff;
        box-shadow: 0 18px 48px rgba(8,26,58,0.16);
        display: none;
        flex-direction: column;
        align-items: stretch;
    }
    .vb-menu.open { display: flex; }
    .vb-hero-grid { grid-template-columns: 1fr; gap: 28px; }
    .vb-pro-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .vb-container { width: min(100% - 22px, 1180px); }
    .vb-hero { padding: 38px 0 34px; }
    .vb-trust-row,
    .vb-result-grid,
    .vb-pro-grid { grid-template-columns: 1fr; }
    .vb-choice-grid { grid-template-columns: 1fr; }
    .vb-simulator-card { padding: 20px; border-radius: 24px; min-height: auto; }
    .vb-card-header { flex-direction: column; }
    .vb-form-actions { flex-direction: column; }
    .vb-btn { width: 100%; }
}