:root {
    color-scheme: light;
    --ink: #17202a;
    --muted: #5d6875;
    --line: #dde3ea;
    --soft: #f5f7fa;
    --paper: #ffffff;
    --brand: #275fcb;
    --brand-strong: #17458f;
    --accent: #18a37f;
    --shadow: 0 14px 40px rgba(23, 32, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: #fbfcfd;
    line-height: 1.6;
}

a {
    color: var(--brand);
}

a:focus-visible,
summary:focus-visible {
    outline: 3px solid rgba(39, 95, 203, 0.35);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -48px;
    z-index: 100;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--ink);
    color: white;
    font-weight: 700;
    text-decoration: none;
}

.skip-link:focus {
    top: 12px;
}

.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.94);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav {
    max-width: 1120px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    color: var(--ink);
    font-weight: 700;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--muted);
    font-size: 15px;
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--ink);
}

.nav-links a[aria-current="page"] {
    color: var(--ink);
    font-weight: 700;
}

main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 56px 24px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
    gap: 40px;
    align-items: center;
    padding: 24px 0 56px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(42px, 6vw, 68px);
    line-height: 1.02;
    letter-spacing: 0;
}

h2 {
    margin: 0 0 18px;
    font-size: 30px;
    line-height: 1.2;
}

h3 {
    margin: 0 0 8px;
    font-size: 19px;
}

.lead {
    max-width: 680px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 21px;
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: var(--paper);
    font-weight: 700;
    text-decoration: none;
}

.button.primary {
    border-color: var(--brand);
    color: white;
    background: var(--brand);
}

.button:hover {
    border-color: var(--brand-strong);
}

.app-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.icon-tile,
.card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    box-shadow: var(--shadow);
}

.icon-tile {
    padding: 18px;
}

.app-icon {
    width: 76px;
    height: 76px;
    border-radius: 17px;
    box-shadow: 0 8px 20px rgba(23, 32, 42, 0.12);
}

.icon-tile h3 {
    margin-top: 16px;
}

.icon-tile p,
.card p,
.feature p,
.support-list p {
    margin: 0;
    color: var(--muted);
}

.section {
    padding: 48px 0;
    border-top: 1px solid var(--line);
}

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

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

.card {
    padding: 24px;
}

.card-link {
    color: inherit;
    text-decoration: none;
}

.card-link:hover h3 {
    color: var(--brand);
}

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

.feature {
    border-left: 3px solid var(--brand);
    padding: 4px 0 4px 16px;
}

.faq {
    display: grid;
    gap: 14px;
}

.faq details {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    padding: 18px 20px;
}

.faq summary {
    color: var(--ink);
    cursor: pointer;
    font-weight: 700;
}

.faq p {
    margin: 12px 0 0;
    color: var(--muted);
}

.product-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: 32px;
    align-items: center;
    padding-bottom: 48px;
}

.product-hero .app-icon {
    width: 150px;
    height: 150px;
    border-radius: 32px;
}

.support-list {
    display: grid;
    gap: 12px;
}

.support-list a {
    display: block;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px;
    background: var(--paper);
    text-decoration: none;
}

.support-list a:hover h3 {
    color: var(--brand);
}

.article {
    max-width: 820px;
}

.article h2 {
    margin-top: 44px;
}

.article h3 {
    margin-top: 24px;
}

.article p,
.article li {
    color: var(--muted);
}

.article ul,
.article ol {
    padding-left: 24px;
}

.note {
    border-left: 3px solid var(--accent);
    border-radius: 8px;
    background: #edf9f5;
    padding: 16px 18px;
}

.steps {
    counter-reset: step;
    display: grid;
    gap: 14px;
    padding-left: 0;
    list-style: none;
}

.steps li {
    counter-increment: step;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    padding: 16px 18px 16px 56px;
    position: relative;
}

.steps li::before {
    content: counter(step);
    position: absolute;
    left: 18px;
    top: 16px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--brand);
    color: white;
    display: grid;
    place-items: center;
    font-size: 14px;
    font-weight: 700;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: var(--soft);
}

.footer-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 28px 24px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 14px;
}

.footer-inner a {
    color: var(--muted);
    margin-right: 14px;
}

@media (max-width: 820px) {
    .nav {
        align-items: flex-start;
        flex-direction: column;
    }

    main {
        padding: 36px 18px;
    }

    .hero,
    .product-hero,
    .grid,
    .grid.two,
    .feature-list {
        grid-template-columns: 1fr;
    }

    .app-strip {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 520px) {
    .app-strip {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
    }
}