:root {
    --bg: #ffffff;
    --bg-soft: #e5effb;
    --text: #0e1d3a;
    --muted: #556583;
    --line: #d3e0f4;
    --accent: #2b80ce;
    --accent-deep: #236fb6;
    --card: #f8fbff;
    --radius: 16px;
    --shadow: 0 18px 40px rgba(0, 80, 180, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Manrope", system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: radial-gradient(circle at 15% 10%, rgba(0, 119, 255, 0.09), transparent 34%),
    radial-gradient(circle at 88% 0%, rgba(0, 119, 255, 0.07), transparent 30%),
    linear-gradient(180deg, var(--bg), var(--bg-soft));
    line-height: 1.55;
}

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

img {
    display: block;
    max-width: 100%;
}

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.nav {
    min-height: 74px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 18px;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.anchors {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    color: var(--muted);
    font-weight: 600;
    font-size: 14px;
}

.anchors a {
    padding: 7px 10px;
    border-radius: 10px;
    transition: color 0.2s, background 0.2s;
}

.anchors a:hover {
    color: var(--accent-deep);
    background: var(--bg-soft);
}

.nav-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    border: 1px solid transparent;
    padding: 12px 18px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    color: #fff;
    background: var(--accent);
    box-shadow: var(--shadow);
}

.btn-outline {
    color: #fff;
    border-color: var(--accent);
    background: var(--accent);
}

main {
    padding: 36px 0 92px;
}

section {
    margin-top: 56px;
}

section[id] {
    scroll-margin-top: 82px;
}

.partner {
    margin-top: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 16px 20px;
    border: 1px solid #b9d2f7;
    border-radius: 18px;
    background: linear-gradient(120deg, #eef5ff, #ffffff 60%);
    box-shadow: 0 10px 28px rgba(0, 80, 180, 0.1);
    color: var(--accent-deep);
    font-weight: 700;
    font-size: 16px;
}

.partner img {
    height: 48px;
    width: auto;
}

.hero {
    margin-top: 20px;
    padding: 42px;
    background: #fafdff;
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

h1, h2, h3 {
    margin: 0 0 12px;
    font-family: "Sora", "Manrope", sans-serif;
    line-height: 1.16;
    letter-spacing: -0.01em;
}

h1 {
    font-size: clamp(34px, 5vw, 48px);
    max-width: 860px;
}

h2 {
    font-size: clamp(28px, 4vw, 36px);
}

h3 {
    font-size: 20px;
}

.lead {
    margin: 0;
    color: #2c4a77;
    max-width: 800px;
    font-size: 18px;
}

.bullets {
    margin: 20px 0 0;
    padding-left: 20px;
    color: #244167;
}

.actions {
    margin-top: 22px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.price-line {
    margin-top: 12px;
    color: #23426c;
    font-weight: 700;
}

.cards-3 {
    margin-top: 20px;
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--card);
    box-shadow: 0 10px 22px rgba(0, 80, 180, 0.08);
}

.video-box {
    margin-top: 14px;
    width: calc(100% - 150px);
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow);
}

.video-box video {
    display: block;
    width: 100%;
    max-height: 600px;
    object-fit: contain;
    background: #000;
}

.video-cta {
    margin-top: 14px;
    width: calc(100% - 150px);
    margin-left: auto;
    margin-right: auto;
}

.video-cta .btn {
    width: 100%;
    min-height: 50px;
    font-size: 16px;
}

.simple-list {
    margin: 12px 0 0;
    padding-left: 20px;
    color: #28456f;
}

.stats-grid {
    margin-top: 18px;
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat {
    padding: 18px;
    border-radius: 14px;
    border: 1px solid #c8daf7;
    background: linear-gradient(160deg, #f3f8ff, #ffffff);
    box-shadow: 0 10px 22px rgba(0, 80, 180, 0.08);
    color: #244167;
    font-weight: 700;
    line-height: 1.35;
}

.preview-slider {
    margin-top: 18px;
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 280px;
    gap: 30px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
}

.preview {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--line);
    width: 280px;
    height: 280px;
    background: #dfe9f8;
    scroll-snap-align: start;
}

.preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview span {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 12px 12px;
    font-size: 16px;
    line-height: 1.2;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(180deg, rgba(12, 23, 40, 0) 0%, rgba(12, 23, 40, 0.85) 100%);
}

.quality-cta {
    margin-top: 22px;
    width: calc(100vw - 10px);
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    padding: 18px 24px;
    background: #2068c3;
    border-top: 1px solid #2068c3;
    border-bottom: 1px solid #2068c3;
}

.quality-cta-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.quality-cta-title {
    margin: 0;
    font-family: "Sora", "Manrope", sans-serif;
    font-size: clamp(14px, 1.6vw, 18px);
    line-height: 1.2;
    color: #ffffff;
}

.quality-cta .btn {
    background: #ffffff;
    color: #2068c3;
    border-color: #ffffff;
    box-shadow: none;
    font-size: 13px;
    min-height: 42px;
    padding: 10px 18px;
}

.pricing {
    margin-top: 20px;
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.plan {
    padding: 22px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: #f9fcff;
}

.plan.featured {
    border: 2px solid var(--accent);
}

.tag {
    display: inline-block;
    margin-bottom: 10px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-deep);
    background: #e5effb;
    border: 1px solid var(--line);
}

.plan-price {
    margin: 4px 0 8px;
    font-size: 30px;
    font-family: "Sora", "Manrope", sans-serif;
    line-height: 1;
}

.promo-videos {
    margin-top: 56px;
}

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

.promo-video {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: #000;
    box-shadow: 0 10px 22px rgba(0, 80, 180, 0.12);
}

.promo-video video {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: #000;
}

.faq {
    margin-top: 18px;
    display: grid;
    gap: 10px;
}

.faq details {
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #f8fbff;
}

.faq summary {
    cursor: pointer;
    font-weight: 700;
    list-style: none;
}

.faq summary::-webkit-details-marker {
    display: none;
}

.final-cta {
    padding: 34px;
    border-radius: 20px;
    border: 1px solid var(--line);
    background: linear-gradient(130deg, #f0f6ff, #ffffff);
    box-shadow: var(--shadow);
    text-align: center;
}

.final-cta .lead {
    margin: 0 auto;
}

.final-cta .btn {
    min-width: 340px;
    min-height: 52px;
    font-size: 16px;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-items: start;
}

.two-col-card {
    padding: 22px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: #f9fcff;
    box-shadow: 0 10px 22px rgba(0, 80, 180, 0.08);
    height: 100%;
}

footer {
    margin-top: 72px;
    border-top: 1px solid var(--line);
    padding: 24px 0 40px;
    color: var(--muted);
    font-size: 14px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 8px;
}

@media (max-width: 900px) {
    .nav {
        grid-template-columns: 1fr;
        justify-items: start;
        padding: 10px 0;
    }

    .anchors {
        justify-content: flex-start;
    }

    .nav-cta {
        align-items: flex-start;
    }

    .video-box {
        width: 100%;
    }

    .video-cta {
        width: 100%;
    }

    .hero {
        padding: 28px;
    }

    .actions .btn {
        flex: 1 1 220px;
    }

    .preview-slider {
        grid-auto-columns: 280px;
    }

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

    .two-col {
        grid-template-columns: 1fr;
    }

    .final-cta .btn {
        min-width: 100%;
    }

    .promo-videos-grid {
        grid-template-columns: 1fr;
    }

    .quality-cta-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .quality-cta-inner .btn {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .preview-slider {
        grid-auto-columns: 280px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .partner {
        justify-content: flex-start;
    }

    .partner img {
        height: 40px;
    }
}

@media (max-width: 768px) {
    .nav {
        grid-template-columns: 1fr;
        justify-items: center;
        row-gap: 10px;
    }

    .logo {
        margin: 0 auto;
    }

    .anchors {
        display: none;
    }

    .nav-cta {
        width: 100%;
        align-items: stretch;
        padding: 0 12px;
    }

    .nav-cta .btn {
        width: 100%;
    }
}