:root {
    --black: #000000;
    --dark: #07090d;
    --dark-card: #111722;
    --grey-card: #2d3545;
    --blue: #2f67ff;
    --blue-light: #5b7cff;
    --white: #ffffff;
    --muted: #a8b0c0;
    --line: rgba(255, 255, 255, 0.12);
    --radius: 28px;
    --max-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.site-header {
    width: min(100% - 32px, var(--max-width));
    margin: 0 auto;
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    letter-spacing: 0.18em;
    font-size: 14px;
}

.brand-logo {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    object-fit: cover;
}

.nav {
    display: flex;
    align-items: center;
    gap: 26px;
    color: var(--muted);
    font-size: 15px;
}

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


.hero {
    width: min(100% - 32px, var(--max-width));
    margin: 44px auto 0;
    min-height: 720px;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
}

.eyebrow {
    color: var(--blue-light);
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-size: 13px;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(56px, 8vw, 104px);
    line-height: 0.92;
    letter-spacing: -0.07em;
    margin: 0;
}

.hero-text {
    margin: 28px 0 0;
    max-width: 590px;
    font-size: clamp(19px, 2vw, 25px);
    line-height: 1.45;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 56px;
    padding: 0 26px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 16px;
    transition: 0.2s ease;
    cursor: pointer;
    border: none;
}

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

.button.primary:hover {
    transform: translateY(-2px);
    background: var(--blue-light);
}

.button.secondary {
    background: var(--white);
    color: var(--black);
}

.button.secondary:hover {
    transform: translateY(-2px);
}

.small-note {
    margin-top: 18px;
    color: var(--muted);
    font-size: 14px;
}

.hero-phone {
    display: flex;
    justify-content: center;
}

.phone-frame {
    width: min(390px, 100%);
    padding: 12px;
    border-radius: 44px;
    background: linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.18),
            rgba(255, 255, 255, 0.03)
    );
    box-shadow: 0 40px 120px rgba(47, 103, 255, 0.28);
}

.phone-frame img {
    border-radius: 34px;
    width: 100%;
}

.choice-section,
.roles-section,
.final-cta,
.features-section {
    width: min(100% - 32px, var(--max-width));
    margin: 110px auto 0;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 34px;
}

.section-heading h2,
.updates-content h2,
.final-cta h2 {
    font-size: clamp(34px, 5vw, 64px);
    letter-spacing: -0.05em;
    line-height: 1;
    margin: 0;
}

.section-heading p,
.updates-content p,
.final-cta p {
    color: var(--muted);
    font-size: 19px;
    line-height: 1.5;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.choice-card {
    background: var(--grey-card);
    padding: 34px;
    border-radius: var(--radius);
    min-height: 260px;
    border: 1px solid var(--line);
}

.choice-card.active {
    background: var(--blue);
}

.card-icon {
    font-size: 42px;
    line-height: 1;
    margin-bottom: 26px;
}

.choice-card h3 {
    font-size: 30px;
    letter-spacing: -0.04em;
    margin: 0 0 12px;
}

.choice-card p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 19px;
    line-height: 1.5;
    margin: 0;
}

.features-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    padding-top: 40px;
    border-top: 1px solid var(--line);
}

.feature {
    padding: 10px 0;
}

.feature-icon {
    color: var(--blue-light);
    font-size: 38px;
    display: block;
    margin-bottom: 18px;
}

.feature h3 {
    font-size: 24px;
    letter-spacing: -0.04em;
    margin: 0 0 10px;
}

.feature p {
    color: var(--muted);
    line-height: 1.5;
    font-size: 17px;
    margin: 0;
}

.roles-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.roles-list span {
    background: var(--dark-card);
    border: 1px solid var(--line);
    color: var(--white);
    padding: 14px 18px;
    border-radius: 999px;
    font-weight: 700;
}


.final-cta {
    text-align: center;
    padding: 90px 20px;
    border-radius: 40px;
    background:
            radial-gradient(circle at top, rgba(47, 103, 255, 0.35), transparent 42%),
            var(--dark);
    border: 1px solid var(--line);
}

.hero-actions.center {
    justify-content: center;
}

.site-footer {
    width: min(100% - 32px, var(--max-width));
    margin: 70px auto 0;
    padding: 32px 0 46px;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    gap: 24px;
    color: var(--muted);
}

.site-footer strong {
    color: var(--white);
    letter-spacing: 0.16em;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a:hover {
    color: var(--white);
}

@media (max-width: 900px) {
    .nav a:not(.login-link) {
        display: none;
    }

    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        margin-top: 24px;
        gap: 42px;
    }

    .hero-content {
        text-align: left;
    }

    .hero-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .phone-frame {
        width: min(360px, 100%);
    }

    .choice-grid,
    .features-section {
        grid-template-columns: 1fr;
    }

    .features-section {
        gap: 34px;
    }


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

@media (max-width: 520px) {
    .site-header {
        width: min(100% - 24px, var(--max-width));
    }

    .brand span {
        font-size: 12px;
    }

    .hero,
    .choice-section,
    .roles-section,
    .final-cta,
    .features-section {
        width: min(100% - 24px, var(--max-width));
    }

    .hero h1 {
        font-size: 58px;
    }

    .choice-card {
        padding: 26px;
        min-height: auto;
    }

    .choice-card h3 {
        font-size: 26px;
    }

    .choice-card p {
        font-size: 17px;
    }

    .section-heading h2,
    .updates-content h2,
    .final-cta h2 {
        font-size: 38px;
    }

    .final-cta {
        padding: 58px 18px;
    }
}