:root {
    --bg-color: #060c1f;
    --bg-gradient: radial-gradient(circle at top, #1e3c72 0%, #060c1f 55%, #02040c 100%);
    --card-bg: rgba(12, 22, 48, 0.85);
    --accent: #4be1ff;
    --accent-strong: #2cd1ff;
    --text-main: #f5f8ff;
    --text-muted: #a7b6d9;
    --border-color: rgba(75, 225, 255, 0.25);
    --shadow: 0 20px 45px rgba(6, 17, 44, 0.45);
    --max-width: 1120px;
    --transition: all 0.25s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: var(--bg-gradient);
    color: var(--text-main);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

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

header {
    padding: 32px 24px 16px;
    position: sticky;
    top: 0;
    backdrop-filter: blur(22px);
    background: linear-gradient(180deg, rgba(6, 12, 31, 0.92) 0%, rgba(6, 12, 31, 0.35) 100%);
    border-bottom: 1px solid var(--border-color);
    z-index: 20;
}

.nav {
    width: min(100%, var(--max-width));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav__brand span {
    background: linear-gradient(90deg, var(--accent) 0%, #6cf3ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.95rem;
}

.nav__cta {
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--accent);
    box-shadow: 0 0 0 transparent;
}

.nav__cta:hover,
.nav__cta:focus-visible {
    background: var(--accent);
    color: #02040c;
    box-shadow: 0 0 18px rgba(76, 226, 255, 0.6);
}

main {
    flex: 1;
    width: min(100%, var(--max-width));
    margin: 0 auto;
    padding: 48px 24px 72px;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    align-items: center;
    padding: 32px;
    border-radius: 28px;
    background: linear-gradient(145deg, rgba(24, 43, 88, 0.88), rgba(6, 12, 31, 0.78));
    box-shadow: var(--shadow);
    margin-bottom: 56px;
}

.hero__heading {
    font-size: clamp(2.2rem, 4vw, 3rem);
    margin: 0 0 16px;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero__lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
    transition: var(--transition);
    cursor: pointer;
}

.button--primary {
    background: linear-gradient(120deg, var(--accent) 0%, #6cf3ff 100%);
    color: #061129;
    box-shadow: 0 18px 30px rgba(75, 225, 255, 0.35);
}

.button--primary:hover,
.button--primary:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 22px 35px rgba(76, 226, 255, 0.45);
}

.button--ghost {
    border: 1px solid var(--accent);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(75, 225, 255, 0.12);
    color: var(--accent);
    font-size: 0.8rem;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
    margin-bottom: 64px;
}

.feature-card {
    padding: 28px;
    border-radius: 22px;
    background: var(--card-bg);
    border: 1px solid rgba(75, 225, 255, 0.12);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 16px;
    list-style: none;
    margin: 0;
}

.feature-card__icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(75, 225, 255, 0.18);
    display: grid;
    place-items: center;
    font-size: 1.2rem;
    color: var(--accent);
}

.feature-card__title {
    margin: 0;
    font-size: 1.2rem;
}

.feature-card__text {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.section {
    margin-bottom: 68px;
}

.section__title {
    margin: 0 0 18px;
    font-size: 1.9rem;
    letter-spacing: -0.01em;
}

.section__subtitle {
    color: var(--text-muted);
    max-width: 720px;
    line-height: 1.6;
}

.support-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.support-card {
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid rgba(75, 225, 255, 0.15);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.support-card__label {
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
}

.support-card__value {
    font-size: 1.05rem;
    font-weight: 600;
}

.support-card__value a {
    word-break: break-word;
}

.legal {
    background: rgba(8, 16, 36, 0.88);
    border: 1px solid rgba(75, 225, 255, 0.1);
    box-shadow: var(--shadow);
    padding: 40px;
    border-radius: 24px;
    line-height: 1.7;
    color: var(--text-muted);
}

.legal h1,
.legal h2,
.legal h3 {
    color: var(--text-main);
    margin-top: 32px;
}

.legal h1 {
    font-size: 2.1rem;
}

.legal h2 {
    font-size: 1.5rem;
}

.legal ul {
    padding-left: 20px;
}

.legal li {
    margin-bottom: 12px;
}

footer {
    padding: 32px 24px 48px;
    background: rgba(4, 10, 24, 0.9);
    border-top: 1px solid rgba(75, 225, 255, 0.12);
}

.footer__inner {
    width: min(100%, var(--max-width));
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer__links {
    display: flex;
    gap: 18px;
}

@media (max-width: 720px) {
    header {
        padding: 24px 20px 12px;
    }

    .nav {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav__links {
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero {
        padding: 24px;
    }

    .support-card {
        padding: 22px;
    }

    .legal {
        padding: 32px 24px;
    }
}