:root {
    color-scheme: dark;
    --bg: #030914;
    --bg-soft: #07152a;
    --card: rgba(10, 28, 56, 0.74);
    --card-strong: rgba(13, 43, 86, 0.92);
    --text: #eef7ff;
    --muted: #a7c3df;
    --blue: #1e8bff;
    --blue-light: #67d7ff;
    --line: rgba(118, 202, 255, 0.18);
    --shadow: 0 24px 80px rgba(0, 102, 255, 0.22);
    --radius: 28px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(49, 164, 255, 0.22), transparent 34rem),
        radial-gradient(circle at 80% 10%, rgba(72, 219, 255, 0.12), transparent 32rem),
        linear-gradient(180deg, #020713 0%, #061326 46%, #020713 100%);
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, black, transparent 80%);
}

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

a {
    color: inherit;
}

.site-header,
main,
.site-footer {
    width: min(var(--container), calc(100% - 32px));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 12px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 14px;
    margin-top: 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(3, 9, 20, 0.78);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(16px);
}

.brand {
    display: inline-flex;
    align-items: center;
    min-width: 0;
}

.brand img {
    width: 126px;
    height: auto;
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-nav a {
    padding: 10px 12px;
    color: var(--muted);
    font-size: 14px;
    text-decoration: none;
    border-radius: 999px;
}

.top-nav a:hover {
    color: var(--text);
    background: rgba(103, 215, 255, 0.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 13px 22px;
    color: #001124;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--blue-light), var(--blue));
    box-shadow: 0 14px 36px rgba(30, 139, 255, 0.36);
}

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

.btn-small {
    min-height: 42px;
    padding: 10px 16px;
    font-size: 14px;
}

.btn-ghost {
    color: var(--text);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: none;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
    gap: 28px;
    align-items: center;
    padding: 54px 0 34px;
}

.hero-content,
.section,
.seo-text,
.final-cta,
.quick-panel {
    border: 1px solid var(--line);
    background: linear-gradient(145deg, rgba(9, 25, 52, 0.88), rgba(3, 11, 24, 0.72));
    box-shadow: var(--shadow);
}

.hero-content {
    padding: clamp(24px, 5vw, 44px);
    border-radius: var(--radius);
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--blue-light);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1 {
    max-width: 760px;
    margin: 0 0 18px;
    font-size: clamp(34px, 7vw, 66px);
    line-height: 0.98;
    letter-spacing: -0.05em;
}

h2 {
    margin: 0 0 16px;
    font-size: clamp(27px, 4.6vw, 44px);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

h3 {
    margin: 0 0 10px;
    font-size: 20px;
}

p {
    margin: 0 0 16px;
    color: var(--muted);
}

.lead {
    max-width: 650px;
    color: #d8ecff;
    font-size: clamp(17px, 2.4vw, 21px);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 28px 0 24px;
}

.stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.stats span {
    padding: 8px 12px;
    color: #cfeeff;
    font-size: 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(103, 215, 255, 0.08);
}

.hero-media {
    overflow: hidden;
    border: 1px solid rgba(103, 215, 255, 0.22);
    border-radius: var(--radius);
    background: var(--bg-soft);
    box-shadow: var(--shadow);
}

.hero-media img,
.wide-art,
.split > img {
    width: 100%;
    object-fit: cover;
}

.hero-media img {
    min-height: 420px;
}

.quick-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    overflow: hidden;
    margin-bottom: 24px;
    border-radius: 24px;
    background: var(--line);
}

.quick-panel article {
    padding: 22px;
    background: rgba(6, 20, 42, 0.96);
}

.quick-panel strong,
.quick-panel span {
    display: block;
}

.quick-panel strong {
    margin-bottom: 6px;
    font-size: 18px;
}

.quick-panel span {
    color: var(--muted);
    font-size: 14px;
}

.section,
.seo-text,
.final-cta {
    margin: 24px 0;
    padding: clamp(22px, 4vw, 38px);
    border-radius: var(--radius);
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.85fr);
    gap: 28px;
    align-items: center;
}

.split-reverse {
    grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1fr);
}

.split-reverse > div {
    order: 2;
}

.split-reverse > img {
    order: 1;
}

.split > img,
.wide-art {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: 0 18px 54px rgba(0, 0, 0, 0.28);
}

.check-list {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 22px 0 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 28px;
    color: #d8ecff;
}

.check-list li::before {
    position: absolute;
    left: 0;
    color: var(--blue-light);
    content: "✓";
}

.bonus-grid,
.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 22px;
}

.bonus-grid article,
.cards article,
.steps li {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--card);
}

.bonus-grid b,
.bonus-grid span {
    display: block;
}

.bonus-grid b {
    margin-bottom: 6px;
}

.bonus-grid span,
.cards p,
.steps p {
    color: var(--muted);
    font-size: 14px;
}

.section-head {
    max-width: 780px;
    margin-bottom: 24px;
}

.wide-art {
    max-height: 560px;
    margin-bottom: 18px;
}

.cards {
    grid-template-columns: repeat(3, 1fr);
}

.steps ol {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.steps span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 18px;
    color: #001124;
    font-weight: 900;
    border-radius: 50%;
    background: var(--blue-light);
}

.steps b {
    display: block;
    margin-bottom: 8px;
    font-size: 18px;
}

.seo-text {
    background:
        linear-gradient(145deg, rgba(6, 20, 42, 0.92), rgba(7, 35, 75, 0.72)),
        radial-gradient(circle at top right, rgba(103, 215, 255, 0.16), transparent 26rem);
}

.seo-text p:last-child,
.final-cta p:last-child,
.section p:last-child {
    margin-bottom: 0;
}

.faq {
    display: grid;
    gap: 12px;
}

.faq details {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
}

.faq summary {
    padding: 18px;
    cursor: pointer;
    font-weight: 800;
}

.faq details p {
    padding: 0 18px 18px;
}

.final-cta {
    text-align: center;
    background:
        radial-gradient(circle at center top, rgba(103, 215, 255, 0.22), transparent 25rem),
        linear-gradient(145deg, rgba(13, 43, 86, 0.95), rgba(4, 13, 28, 0.92));
}

.final-cta h2,
.final-cta p {
    max-width: 720px;
    margin-inline: auto;
}

.final-cta .btn {
    margin-top: 12px;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 0 36px;
    color: var(--muted);
}

.site-footer p {
    margin: 0;
    font-size: 14px;
}

.site-footer a {
    color: var(--blue-light);
    text-decoration: none;
}

@media (max-width: 920px) {
    .site-header {
        border-radius: 24px;
    }

    .top-nav {
        display: none;
    }

    .hero,
    .split,
    .split-reverse,
    .quick-panel,
    .cards,
    .steps ol {
        grid-template-columns: 1fr;
    }

    .split-reverse > div,
    .split-reverse > img {
        order: initial;
    }

    .hero {
        padding-top: 32px;
    }

    .hero-media img {
        min-height: 300px;
    }
}

@media (max-width: 560px) {
    .site-header,
    main,
    .site-footer {
        width: min(100% - 20px, var(--container));
    }

    .site-header {
        top: 8px;
        padding: 10px;
    }

    .brand img {
        width: 96px;
    }

    .btn-small {
        min-height: 38px;
        padding: 9px 12px;
        font-size: 12px;
    }

    .hero {
        gap: 16px;
        padding-bottom: 20px;
    }

    .hero-content,
    .section,
    .seo-text,
    .final-cta {
        border-radius: 20px;
    }

    .hero-actions,
    .hero-actions .btn {
        width: 100%;
    }

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

    .quick-panel article,
    .bonus-grid article,
    .cards article,
    .steps li {
        padding: 16px;
    }

    .site-footer {
        flex-direction: column;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}