* {
    box-sizing: border-box;
}

:root {
    --bg: #090b0f;
    --panel: #11151c;
    --panel-soft: #171c25;
    --text: #f5f7fb;
    --muted: #aeb7c5;
    --line: #262d39;
    --blue: #55a7ff;
    --blue-strong: #2f8fff;
    --blue-soft: rgba(85, 167, 255, 0.12);
    --green: #72d39a;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(circle at 50% -150px, rgba(47, 143, 255, 0.15), transparent 430px),
        var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: inherit;
}

.site-header {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.brand {
    color: #ffffff;
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 0.14em;
    font-size: 0.86rem;
}

.site-header nav {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.site-header nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.site-header nav a:hover {
    color: #ffffff;
}

main {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.hero {
    min-height: 590px;
    padding: 110px 0 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.badge,
.eyebrow {
    color: var(--blue);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.badge {
    padding: 7px 12px;
    border: 1px solid rgba(85, 167, 255, 0.26);
    border-radius: 999px;
    background: var(--blue-soft);
    letter-spacing: 0.04em;
    text-transform: none;
}

.hero .eyebrow {
    margin: 24px 0 6px;
}

.hero h1 {
    margin: 0;
    max-width: 880px;
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.hero-text {
    max-width: 780px;
    margin: 28px auto 0;
    color: var(--muted);
    font-size: clamp(1.02rem, 2vw, 1.22rem);
}

.hero-actions,
.center-action {
    margin-top: 34px;
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.primary-btn,
.secondary-btn {
    min-height: 48px;
    padding: 12px 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
}

.primary-btn {
    background: var(--blue-strong);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(47, 143, 255, 0.2);
}

.primary-btn:hover {
    background: #46a0ff;
}

.secondary-btn {
    border: 1px solid var(--line);
    background: var(--panel);
    color: #ffffff;
}

.hero-notes {
    margin-top: 24px;
    display: flex;
    justify-content: center;
    gap: 10px 20px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.82rem;
}

.hero-notes span::before {
    content: "✓";
    margin-right: 6px;
    color: var(--green);
}

.feature-grid {
    padding: 28px 0 100px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.feature-card {
    min-height: 260px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent), var(--panel);
    box-shadow: var(--shadow);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: var(--blue-soft);
    color: var(--blue);
    font-size: 0.8rem;
    font-weight: 800;
}

.feature-card h2 {
    margin: 22px 0 8px;
    font-size: 1.1rem;
}

.feature-card p,
.section-heading p,
.workflow p,
.community-section p,
.privacy-copy p {
    color: var(--muted);
}

.workflow-section,
.privacy-section,
.community-section {
    padding: 90px 0;
    border-top: 1px solid var(--line);
}

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

.section-heading h2,
.privacy-section h2,
.community-section h2 {
    margin: 4px 0 12px;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

.workflow {
    margin-top: 38px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.workflow article {
    padding: 24px;
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel);
}

.workflow article > span {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--blue-soft);
    color: var(--blue);
    font-weight: 800;
}

.workflow h3 {
    margin: 0 0 5px;
    font-size: 1rem;
}

.workflow p {
    margin: 0;
    font-size: 0.9rem;
}

.privacy-section {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 70px;
    align-items: start;
}

.privacy-copy {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--panel);
}

.privacy-copy p:first-child {
    margin-top: 0;
}

.privacy-copy p:last-child {
    margin-bottom: 0;
}

.community-section {
    max-width: 850px;
}

.site-footer {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 45px 0 60px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    text-align: center;
    font-size: 0.82rem;
}

.footer-links {
    margin-bottom: 18px;
    display: flex;
    justify-content: center;
    gap: 14px 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--muted);
    text-decoration: none;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-contact {
    color: #d8dee8;
}

@media (max-width: 880px) {
    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .privacy-section {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

@media (max-width: 680px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-header nav {
        gap: 10px 16px;
    }

    .hero {
        min-height: auto;
        padding: 80px 0 70px;
        align-items: flex-start;
        text-align: left;
    }

    .hero-actions,
    .hero-notes {
        justify-content: flex-start;
    }

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

    .primary-btn,
    .secondary-btn {
        width: 100%;
    }
}