* {
    box-sizing: border-box;
}

:root {
    color-scheme: light;
    --background: #f4f7fb;
    --surface: #ffffff;
    --surface-soft: #eef3ff;
    --text: #172033;
    --muted: #5d687a;
    --border: #dce3ee;
    --accent: #2257d5;
    --accent-dark: #163d9e;
    --max-width: 1160px;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family:
        Inter, ui-sans-serif, system-ui, -apple-system,
        BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.65;
}

a {
    color: var(--accent-dark);
}

a:hover,
a:focus-visible {
    color: var(--accent);
}

.site-header,
footer {
    width: min(calc(100% - 40px), var(--max-width));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-header {
    min-height: 76px;
}

.brand {
    color: var(--text);
    font-size: 1.35rem;
    font-weight: 850;
    letter-spacing: -0.04em;
    text-decoration: none;
}

nav,
footer div,
.action-row,
.legal-actions,
.legal-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

nav a,
footer a {
    font-weight: 680;
    text-decoration: none;
}

main {
    width: min(calc(100% - 40px), var(--max-width));
    margin: 0 auto;
}

.hero {
    margin-top: 48px;
    padding: clamp(42px, 8vw, 92px);
    border: 1px solid var(--border);
    border-radius: 30px;
    background:
        linear-gradient(
            135deg,
            var(--surface),
            var(--surface-soft)
        );
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--accent-dark);
    font-size: 0.79rem;
    font-weight: 850;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.14;
    letter-spacing: -0.035em;
}

h1 {
    max-width: 920px;
    margin-bottom: 24px;
    font-size: clamp(2.5rem, 7vw, 5.2rem);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.9rem);
}

h3 {
    font-size: 1.27rem;
}

.hero-copy,
.section-heading > p,
.integration-card p,
.trust > p,
.legal-callout p,
.legal-document p,
.legal-document li,
.combined-legal-heading > p {
    color: var(--muted);
}

.hero-copy {
    max-width: 820px;
    margin-bottom: 32px;
    font-size: 1.15rem;
}

.primary-action,
.secondary-action {
    display: inline-block;
    padding: 13px 20px;
    border-radius: 12px;
    font-weight: 760;
    text-decoration: none;
}

.primary-action {
    background: var(--accent);
    color: #ffffff;
}

.primary-action:hover,
.primary-action:focus-visible {
    background: var(--accent-dark);
    color: #ffffff;
}

.secondary-action {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
}

.section {
    padding: 78px 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 32px;
}

.platform-grid,
.integration-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.platform-card,
.integration-card,
.trust,
.legal-callout,
.legal-document > section {
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
}

.platform-card,
.integration-card {
    padding: 30px;
}

.platform-card ul {
    margin-bottom: 0;
    padding-left: 20px;
    color: var(--muted);
}

.platform-card li + li {
    margin-top: 8px;
}

.card-number {
    margin: 0 0 20px;
    color: var(--accent);
    font-weight: 850;
}

.workflow-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.workflow-list li {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 22px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
}

.workflow-list li:last-child {
    border-bottom: 1px solid var(--border);
}

.workflow-list span {
    color: var(--accent);
    font-weight: 850;
}

.workflow-list p {
    margin-bottom: 0;
    color: var(--muted);
}

.trust,
.legal-callout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 42px;
    padding: 40px;
}

.legal-callout {
    margin-bottom: 76px;
}

.legal-actions {
    align-items: center;
    align-content: center;
}

.combined-legal-page {
    max-width: 920px;
}

.combined-legal-heading {
    padding: 64px 0 34px;
}

.combined-legal-heading h1 {
    margin-bottom: 18px;
    font-size: clamp(2.4rem, 6vw, 4.3rem);
}

.legal-tabs {
    margin-top: 28px;
}

.legal-document {
    scroll-margin-top: 24px;
}

.legal-document-heading {
    padding: 36px 0 22px;
}

.legal-document-heading h1 {
    margin-bottom: 12px;
    font-size: clamp(2.1rem, 5vw, 3.6rem);
}

.legal-document > section {
    margin-bottom: 18px;
    padding: clamp(25px, 5vw, 42px);
}

.legal-document ul {
    padding-left: 22px;
}

.legal-document li + li {
    margin-top: 10px;
}

.document-divider {
    height: 1px;
    margin: 72px 0 30px;
    background: var(--border);
}

code {
    padding: 2px 7px;
    border-radius: 6px;
    background: var(--surface-soft);
    color: var(--accent-dark);
    overflow-wrap: anywhere;
}

footer {
    margin-top: 30px;
    padding: 32px 0 50px;
    border-top: 1px solid var(--border);
    color: var(--muted);
}

@media (max-width: 760px) {
    .site-header,
    footer,
    .trust,
    .legal-callout {
        align-items: flex-start;
        flex-direction: column;
    }

    .platform-grid,
    .integration-grid,
    .trust,
    .legal-callout {
        grid-template-columns: 1fr;
    }

    .hero {
        margin-top: 20px;
        border-radius: 20px;
    }

    .section {
        padding: 54px 0;
    }

    .workflow-list li {
        grid-template-columns: 42px 1fr;
    }
}