:root {
    --vai-bg: #080b12;
    --vai-bg-soft: #111827;
    --vai-card: rgba(255, 255, 255, 0.075);
    --vai-card-strong: rgba(255, 255, 255, 0.12);
    --vai-text: #f9fafb;
    --vai-muted: #a7b0c0;
    --vai-border: rgba(255, 255, 255, 0.12);
    --vai-primary: #7c3aed;
    --vai-primary-2: #2563eb;
    --vai-success: #22c55e;
    --vai-danger: #ef4444;
    --vai-radius: 24px;
    --vai-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.vai-page {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(124, 58, 237, 0.28), transparent 34rem),
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.25), transparent 30rem),
        var(--vai-bg);
    color: var(--vai-text);
}

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

button,
input {
    font: inherit;
}

.vai-header {
    min-height: 100vh;
    padding: 24px;
}

.vai-nav {
    max-width: 1180px;
    margin: 0 auto;
    padding: 14px 18px;
    border: 1px solid var(--vai-border);
    border-radius: 999px;
    background: rgba(8, 11, 18, 0.72);
    backdrop-filter: blur(18px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: sticky;
    top: 18px;
    z-index: 20;
}

.vai-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.vai-brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--vai-primary), var(--vai-primary-2));
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.38);
    font-size: 13px;
}

.vai-brand-logo {
    width: 38px;
    height: 38px;
    object-fit: contain;
    border-radius: 12px;
}

.vai-nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.vai-nav-link {
    color: var(--vai-muted);
    font-size: 14px;
    font-weight: 700;
}

.vai-nav-link:hover {
    color: var(--vai-text);
}

.vai-hero {
    max-width: 1180px;
    margin: 80px auto 0;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
    gap: 52px;
    align-items: center;
}

.vai-kicker,
.vai-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #c4b5fd;
    font-weight: 800;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.vai-kicker span {
    width: 10px;
    height: 10px;
    background: var(--vai-success);
    border-radius: 50%;
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.12);
}

.vai-hero h1 {
    margin: 22px 0 22px;
    font-size: clamp(44px, 7vw, 82px);
    line-height: 0.94;
    letter-spacing: -0.075em;
}

.vai-lead {
    max-width: 720px;
    margin: 0;
    color: #d3d8e3;
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.62;
}

.vai-hero-actions,
.vai-final-actions {
    margin-top: 34px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.vai-btn {
    border: 0;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 22px;
    cursor: pointer;
    font-weight: 850;
    letter-spacing: -0.015em;
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        background 0.18s ease,
        border-color 0.18s ease,
        opacity 0.18s ease;
    user-select: none;
    white-space: nowrap;
}

.vai-btn:hover {
    transform: translateY(-2px);
}

.vai-btn:active {
    transform: translateY(0);
}

.vai-btn:focus-visible {
    outline: 3px solid rgba(196, 181, 253, 0.55);
    outline-offset: 3px;
}

.vai-btn[disabled] {
    cursor: not-allowed;
    opacity: 0.68;
    transform: none;
}

.vai-btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--vai-primary), var(--vai-primary-2));
    box-shadow:
        0 18px 45px rgba(124, 58, 237, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.vai-btn-primary:hover {
    box-shadow:
        0 24px 60px rgba(124, 58, 237, 0.48),
        inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.vai-btn-secondary {
    color: var(--vai-text);
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.vai-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.28);
}

.vai-btn-lg {
    min-height: 58px;
    padding: 0 28px;
    font-size: 16px;
}

.vai-btn-sm {
    min-height: 40px;
    padding: 0 18px;
    font-size: 14px;
}

.vai-btn-full {
    width: 100%;
}

.vai-microcopy {
    margin: 18px 0 0;
    color: var(--vai-muted);
    font-size: 14px;
}

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

.vai-trust-row div {
    padding: 18px;
    border: 1px solid var(--vai-border);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.055);
}

.vai-trust-row strong {
    display: block;
    font-size: 28px;
    letter-spacing: -0.05em;
}

.vai-trust-row span {
    display: block;
    margin-top: 4px;
    color: var(--vai-muted);
    font-size: 13px;
}

.vai-hero-card {
    display: grid;
    gap: 18px;
}

.vai-call-card,
.vai-video-box,
.vai-feature,
.vai-steps article,
.vai-proof-card,
.vai-faq article {
    border: 1px solid var(--vai-border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.105), rgba(255, 255, 255, 0.055));
    box-shadow: var(--vai-shadow);
    backdrop-filter: blur(18px);
}

.vai-call-card {
    border-radius: 34px;
    padding: 20px;
}

.vai-call-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--vai-muted);
    font-size: 13px;
}

.vai-call-top div {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.vai-call-top strong {
    color: #86efac;
}

.vai-call-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--vai-success);
    box-shadow: 0 0 0 7px rgba(34, 197, 94, 0.12);
}

.vai-phone-screen {
    margin-top: 18px;
    min-height: 320px;
    border-radius: 28px;
    padding: 34px 24px;
    background:
        radial-gradient(circle at top, rgba(124, 58, 237, 0.28), transparent 22rem),
        #0b1020;
    display: grid;
    place-items: center;
    text-align: center;
}

.vai-avatar {
    width: 86px;
    height: 86px;
    display: grid;
    place-items: center;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.09);
    font-size: 42px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.vai-phone-screen h2 {
    margin: 18px 0 8px;
    letter-spacing: -0.04em;
}

.vai-phone-screen p {
    max-width: 310px;
    margin: 0;
    color: #cbd5e1;
    line-height: 1.55;
}

.vai-wave {
    height: 54px;
    margin-top: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

.vai-wave span {
    width: 8px;
    height: 18px;
    border-radius: 99px;
    background: linear-gradient(180deg, #c4b5fd, #60a5fa);
    animation: vaiWave 1s ease-in-out infinite;
}

.vai-wave span:nth-child(2) {
    animation-delay: 0.1s;
}

.vai-wave span:nth-child(3) {
    animation-delay: 0.2s;
}

.vai-wave span:nth-child(4) {
    animation-delay: 0.3s;
}

.vai-wave span:nth-child(5) {
    animation-delay: 0.4s;
}

@keyframes vaiWave {
    0%, 100% {
        height: 16px;
    }
    50% {
        height: 48px;
    }
}

.vai-call-info {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.vai-call-info div {
    padding: 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.07);
}

.vai-call-info span {
    display: block;
    color: var(--vai-muted);
    font-size: 12px;
}

.vai-call-info strong {
    display: block;
    margin-top: 4px;
    font-size: 14px;
}

.vai-video-box {
    position: relative;
    border-radius: 28px;
    padding: 10px;
    overflow: hidden;
}

.vai-video-box video {
    width: 100%;
    display: block;
    border-radius: 20px;
    background: #020617;
}

.vai-video-toggle {
    position: absolute;
    right: 18px;
    bottom: 18px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(2, 6, 23, 0.72);
    color: #fff;
    border-radius: 999px;
    padding: 10px 14px;
    cursor: pointer;
    backdrop-filter: blur(12px);
    font-weight: 800;
}

.vai-strip {
    max-width: 1180px;
    margin: 30px auto 0;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.vai-strip div {
    border: 1px solid var(--vai-border);
    border-radius: 18px;
    padding: 16px;
    color: #dbe3ef;
    background: rgba(255, 255, 255, 0.045);
    text-align: center;
    font-weight: 750;
}

.vai-section {
    max-width: 1180px;
    margin: 0 auto;
    padding: 110px 24px;
}

.vai-section-head {
    max-width: 760px;
    margin-bottom: 40px;
}

.vai-section-head h2,
.vai-proof h2,
.vai-final-cta h2 {
    margin: 12px 0 0;
    font-size: clamp(34px, 4vw, 56px);
    line-height: 1;
    letter-spacing: -0.065em;
}

.vai-section-head p,
.vai-proof-card p,
.vai-final-cta p {
    margin: 18px 0 0;
    color: var(--vai-muted);
    font-size: 18px;
    line-height: 1.65;
}

.vai-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.vai-feature {
    border-radius: var(--vai-radius);
    padding: 26px;
    box-shadow: none;
}

.vai-feature span {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 26px;
}

.vai-feature h3,
.vai-steps h3,
.vai-faq h3 {
    margin: 18px 0 8px;
    font-size: 21px;
    letter-spacing: -0.035em;
}

.vai-feature p,
.vai-steps p,
.vai-faq p {
    margin: 0;
    color: var(--vai-muted);
    line-height: 1.62;
}

.vai-section-dark {
    max-width: none;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent),
        #0b1020;
}

.vai-section-dark > * {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
}

.vai-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.vai-steps article {
    border-radius: var(--vai-radius);
    padding: 30px;
    box-shadow: none;
}

.vai-steps strong {
    color: #c4b5fd;
    font-size: 14px;
    letter-spacing: 0.16em;
}

.vai-proof {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 40px;
    align-items: center;
}

.vai-proof-card {
    border-radius: 32px;
    padding: 34px;
}

.vai-proof-card .vai-btn {
    margin-top: 28px;
}

.vai-faq {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.vai-faq article {
    border-radius: 22px;
    padding: 26px;
    box-shadow: none;
}

.vai-faq h3 {
    margin-top: 0;
}

.vai-final-cta {
    max-width: 1180px;
    margin: 0 auto 80px;
    padding: 44px;
    border: 1px solid var(--vai-border);
    border-radius: 36px;
    background:
        radial-gradient(circle at top left, rgba(124, 58, 237, 0.32), transparent 28rem),
        linear-gradient(135deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.05));
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 30px;
    align-items: center;
}

.vai-final-actions {
    margin-top: 0;
    justify-content: flex-end;
}

.vai-footer {
    padding: 34px 24px 46px;
    text-align: center;
    color: var(--vai-muted);
}

.vai-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    place-items: center;
    padding: 20px;
    background: rgba(2, 6, 23, 0.76);
    backdrop-filter: blur(14px);
}

.vai-modal-overlay.active {
    display: grid;
}

.vai-modal {
    width: min(100%, 440px);
    position: relative;
    padding: 30px;
    border: 1px solid var(--vai-border);
    border-radius: 28px;
    background: #0b1020;
    box-shadow: var(--vai-shadow);
}

.vai-modal-close {
    position: absolute;
    right: 18px;
    top: 16px;
    width: 38px;
    height: 38px;
    border: 1px solid var(--vai-border);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.07);
    color: #fff;
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
}

.vai-modal h2 {
    margin: 0 44px 10px 0;
    font-size: 28px;
    letter-spacing: -0.045em;
}

.vai-modal p {
    margin: 0 0 22px;
    color: var(--vai-muted);
    line-height: 1.55;
}

.vai-form-group {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
}

.vai-form-group label {
    color: #dbe3ef;
    font-size: 13px;
    font-weight: 800;
}

.vai-form-group input {
    width: 100%;
    height: 52px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.07);
    color: #fff;
    padding: 0 16px;
    outline: none;
}

.vai-form-group input:focus {
    border-color: rgba(196, 181, 253, 0.72);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.16);
}

.vai-status {
    display: none;
    margin: 14px 0;
    padding: 12px 14px;
    border-radius: 14px;
    font-weight: 750;
    font-size: 14px;
}

.vai-status.is-success {
    display: block;
    color: #86efac;
    background: rgba(34, 197, 94, 0.12);
}

.vai-status.is-error {
    display: block;
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.12);
}

.vai-status.is-info {
    display: block;
    color: #bfdbfe;
    background: rgba(37, 99, 235, 0.14);
}

.vai-modal small {
    display: block;
    margin-top: 14px;
    color: var(--vai-muted);
    text-align: center;
}

@media (max-width: 980px) {
    .vai-hero {
        grid-template-columns: 1fr;
        margin-top: 52px;
    }

    .vai-hero-card {
        max-width: 560px;
    }

    .vai-grid,
    .vai-steps,
    .vai-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .vai-proof,
    .vai-final-cta {
        grid-template-columns: 1fr;
    }

    .vai-final-actions {
        justify-content: flex-start;
    }
}

@media (max-width: 680px) {
    .vai-header {
        padding: 14px;
    }

    .vai-nav {
        border-radius: 22px;
        align-items: flex-start;
    }

    .vai-nav-actions {
        display: none;
    }

    .vai-hero {
        margin-top: 42px;
    }

    .vai-hero h1 {
        font-size: 44px;
    }

    .vai-hero-actions,
    .vai-final-actions {
        display: grid;
    }

    .vai-btn {
        width: 100%;
    }

    .vai-trust-row,
    .vai-grid,
    .vai-steps,
    .vai-strip,
    .vai-faq,
    .vai-call-info {
        grid-template-columns: 1fr;
    }

    .vai-section {
        padding: 74px 18px;
    }

    .vai-final-cta {
        margin: 0 14px 56px;
        padding: 28px;
        border-radius: 28px;
    }

    .vai-section-head h2,
    .vai-proof h2,
    .vai-final-cta h2 {
        font-size: 36px;
    }
}