:root {
    color-scheme: dark;
    --bg: #10141b;
    --surface: #1a1f29;
    --surface-2: #242b36;
    --border: #343d4b;
    --text: #f3f7fb;
    --muted: #aeb8c6;
    --subtle: #7f8a99;
    --blue: #60cdff;
    --blue-strong: #28a8e0;
    --green: #76d672;
    --green-strong: #27a841;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at 20% 10%, rgba(96, 205, 255, 0.12), transparent 32rem),
        radial-gradient(circle at 82% 30%, rgba(118, 214, 114, 0.10), transparent 28rem),
        var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    color: inherit;
}

.site-header,
.site-footer,
main {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand,
nav {
    display: flex;
    align-items: center;
}

.brand {
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0;
}

.brand-mark {
    width: 28px;
    height: 28px;
    display: inline-block;
    border-radius: 7px;
    background: linear-gradient(135deg, var(--blue), #0567c7 52%, var(--green) 53%, #047a2c);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
    position: relative;
}

.brand-mark::after {
    content: "";
    width: 13px;
    height: 8px;
    border: 2px solid #07111d;
    border-radius: 999px;
    position: absolute;
    left: 7px;
    top: 9px;
    background: rgba(96, 205, 255, 0.45);
}

nav {
    gap: 4px;
    padding: 4px;
    background: rgba(26, 31, 41, 0.72);
    border: 1px solid rgba(52, 61, 75, 0.85);
    border-radius: 8px;
}

nav a {
    text-decoration: none;
    color: var(--muted);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
}

nav a.active,
nav a:hover,
nav a:focus-visible {
    background: var(--surface-2);
    color: var(--text);
    outline: none;
}

.hero,
.page-header,
.section,
.pricing-card,
.result-card {
    border: 1px solid rgba(52, 61, 75, 0.9);
    background: rgba(26, 31, 41, 0.84);
    box-shadow: var(--shadow);
}

.hero {
    min-height: 620px;
    display: grid;
    grid-template-columns: 1fr 0.95fr;
    align-items: center;
    gap: 48px;
    padding: 56px;
    border-radius: 8px;
    overflow: hidden;
}

.hero-copy,
.app-preview,
.preview-main,
.preview-card {
    min-width: 0;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 18px;
    font-size: clamp(44px, 7vw, 78px);
    line-height: 0.94;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 14px;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.08;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 8px;
    font-size: 20px;
}

.lead {
    max-width: 650px;
    color: var(--muted);
    font-size: 20px;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border-radius: 6px;
    border: 1px solid var(--border);
    text-decoration: none;
    font-weight: 700;
    white-space: nowrap;
}

.button.primary {
    color: #06131c;
    background: var(--blue);
    border-color: var(--blue-strong);
}

.button.secondary {
    color: var(--text);
    background: var(--surface-2);
}

.button.full {
    width: 100%;
}

.button:focus-visible {
    outline: 3px solid rgba(96, 205, 255, 0.36);
    outline-offset: 2px;
}

.trust-list,
.check-list {
    padding: 0;
    list-style: none;
}

.trust-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 28px 0 0;
}

.trust-list li {
    color: var(--muted);
    background: rgba(36, 43, 54, 0.8);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 7px 11px;
    font-size: 13px;
}

.app-preview {
    min-height: 360px;
    display: grid;
    grid-template-columns: 92px 1fr;
    background: #20252f;
    border: 1px solid #465060;
    border-radius: 8px;
    overflow: hidden;
}

.preview-sidebar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    background: #181d25;
    border-right: 1px solid #343d4b;
}

.preview-sidebar span {
    width: 46px;
    height: 8px;
    border-radius: 999px;
    background: #3d4654;
}

.preview-main {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
}

.preview-status,
.preview-card {
    border: 1px solid #3c4654;
    border-radius: 6px;
    background: #2a313d;
}

.preview-status {
    width: fit-content;
    color: var(--blue);
    padding: 9px 12px;
    font-weight: 700;
    font-size: 13px;
}

.preview-card {
    padding: 18px;
}

.preview-card strong,
.preview-card small {
    display: block;
    overflow-wrap: anywhere;
}

.preview-card small {
    color: var(--muted);
    margin-top: 5px;
}

.preview-card.wide {
    min-height: 112px;
}

.preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.section,
.page-header,
.pricing-card,
.result-card {
    margin-top: 22px;
    padding: 42px;
    border-radius: 8px;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 26px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-grid article,
.proof-list {
    border: 1px solid var(--border);
    background: rgba(36, 43, 54, 0.72);
    border-radius: 8px;
    padding: 22px;
}

.feature-grid p,
.proof-list p,
.section p,
.pricing-card p,
.result-card p {
    color: var(--muted);
}

.feature-icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border-radius: 6px;
    color: #06131c;
    background: var(--blue);
    font-weight: 800;
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 26px;
    align-items: center;
}

.proof-list p {
    margin-bottom: 12px;
}

.proof-list p:last-child {
    margin-bottom: 0;
}

.proof-list strong {
    color: var(--text);
}

.pricing-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}

.pricing-card {
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card h2 {
    font-size: clamp(42px, 8vw, 74px);
}

.pricing-card h2 span {
    color: var(--muted);
    font-size: 20px;
    font-weight: 600;
}

.check-list {
    display: grid;
    gap: 12px;
    margin: 26px 0;
}

.check-list li {
    padding-left: 28px;
    color: var(--muted);
    position: relative;
}

.check-list li::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    position: absolute;
    left: 2px;
    top: 8px;
}

.note {
    margin: 14px 0 0;
    color: var(--subtle);
    font-size: 13px;
}

.result-card {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}

.result-card.success {
    border-color: rgba(118, 214, 114, 0.45);
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 34px 0 48px;
    color: var(--subtle);
    font-size: 14px;
}

@media (max-width: 860px) {
    .site-header {
        height: auto;
        align-items: flex-start;
        flex-direction: column;
        padding: 18px 0;
    }

    nav {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    nav a {
        flex: 1 1 88px;
        text-align: center;
    }

    .hero,
    .split,
    .pricing-strip {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 32px;
    }

    .feature-grid,
    .preview-grid {
        grid-template-columns: 1fr;
    }

    .pricing-strip {
        display: grid;
    }

    .site-footer {
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .site-header,
    .site-footer,
    main {
        width: 100%;
        padding-left: 12px;
        padding-right: 12px;
    }

    nav {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    nav a {
        min-width: 0;
        padding-left: 8px;
        padding-right: 8px;
    }

    .hero,
    .section,
    .page-header,
    .pricing-card,
    .result-card {
        padding: 24px;
        width: 100%;
    }

    .actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .button {
        width: 100%;
        max-width: 100%;
        white-space: normal;
    }

    .app-preview {
        grid-template-columns: 1fr;
        min-height: auto;
        width: 100%;
    }

    .preview-sidebar {
        display: none;
    }

    .preview-main {
        padding: 18px;
    }
}