*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    color-scheme: dark;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 12% 10%, rgba(99, 102, 241, 0.16), transparent 28rem),
        radial-gradient(circle at 86% 8%, rgba(34, 211, 238, 0.08), transparent 24rem),
        #09090B;
    color: #FAFAFA;
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(99, 102, 241, 0.4);
    color: #FFFFFF;
}

a,
button {
    -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid #22D3EE;
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    left: 1rem;
    top: 1rem;
    z-index: 100;
    transform: translateY(-150%);
    border-radius: 999px;
    background: #FAFAFA;
    color: #09090B;
    padding: 0.65rem 1rem;
    font-size: 0.875rem;
    font-weight: 700;
    transition: transform 0.2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 50;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(9, 9, 11, 0.78);
    backdrop-filter: blur(18px);
}

.nav-link {
    color: #A1A1AA;
    font-size: 0.92rem;
    font-weight: 600;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active,
.mobile-link:hover,
.mobile-link.active,
.footer-link:hover {
    color: #FAFAFA;
}

.mobile-link {
    display: block;
    border-radius: 14px;
    color: #A1A1AA;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 0;
}

.mobile-menu-button {
    display: inline-flex;
    height: 2.5rem;
    width: 2.5rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.28rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
}

.mobile-menu-button span:not(.sr-only) {
    display: block;
    height: 2px;
    width: 1rem;
    border-radius: 999px;
    background: #FAFAFA;
}

.eyebrow,
.section-kicker {
    color: #22D3EE;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.hero-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 55% 40% at 48% 42%, rgba(99, 102, 241, 0.12), transparent 68%),
        linear-gradient(180deg, transparent, rgba(9, 9, 11, 0.65));
}

.hero-panel,
.feature-card,
.card,
.legal-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025));
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
}

.hero-panel {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    padding: 1.5rem;
}

.hero-panel::before {
    content: "";
    position: absolute;
    inset: -30% -10% auto;
    height: 12rem;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.24), transparent 65%);
    pointer-events: none;
}

.signal-card {
    position: relative;
    display: flex;
    gap: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    background: rgba(9, 9, 11, 0.48);
    padding: 1rem;
}

.signal-dot {
    margin-top: 0.45rem;
    height: 0.65rem;
    width: 0.65rem;
    flex: none;
    border-radius: 999px;
    background: #22D3EE;
    box-shadow: 0 0 0 6px rgba(34, 211, 238, 0.1);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(34, 211, 238, 0.28);
    border-radius: 999px;
    background: rgba(34, 211, 238, 0.08);
    color: #67E8F9;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.35rem 0.7rem;
}

.button-primary,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.85rem 1.25rem;
    font-size: 0.94rem;
    font-weight: 800;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.button-primary {
    background: linear-gradient(135deg, #6366F1, #22D3EE);
    color: #FFFFFF;
    box-shadow: 0 18px 44px rgba(99, 102, 241, 0.28);
}

.button-secondary {
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
    color: #FAFAFA;
}

.button-primary:hover,
.button-secondary:hover {
    transform: translateY(-1px);
}

.section-spacing {
    padding-bottom: 6rem;
    padding-top: 6rem;
}

.section-heading {
    margin-inline: auto;
    max-width: 44rem;
    text-align: center;
}

.section-heading h1,
.section-heading h2 {
    margin-top: 1rem;
    color: #FAFAFA;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.section-heading p:not(.section-kicker) {
    margin-top: 1.2rem;
    color: #A1A1AA;
    font-size: 1.08rem;
    line-height: 1.8;
}

.card {
    border-radius: 20px;
    padding: 1.35rem;
    transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.card:hover {
    border-color: rgba(99, 102, 241, 0.35);
    transform: translateY(-2px);
}

.card h2,
.card h3 {
    margin-top: 1.3rem;
    color: #FAFAFA;
    font-size: 1.12rem;
    font-weight: 800;
}

.card h2:first-child,
.card h3:first-child {
    margin-top: 0;
}

.card p {
    margin-top: 0.7rem;
    color: #A1A1AA;
    font-size: 0.95rem;
    line-height: 1.75;
}

.icon-badge {
    display: inline-flex;
    height: 2.4rem;
    width: 2.4rem;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(99, 102, 241, 0.28);
    border-radius: 14px;
    background: rgba(99, 102, 241, 0.12);
    color: #C4B5FD;
    font-size: 0.78rem;
    font-weight: 800;
}

.feature-card,
.legal-card {
    border-radius: 28px;
    padding: clamp(1.5rem, 5vw, 3rem);
}

.tag {
    display: inline-flex;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: #D4D4D8;
    font-size: 0.86rem;
    font-weight: 650;
    padding: 0.55rem 0.8rem;
}

.principle-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    color: #FAFAFA;
    font-weight: 700;
    line-height: 1.5;
    padding: 1.2rem;
}

.page-hero {
    padding: 9rem 1.5rem 4.5rem;
}

.content-grid {
    display: grid;
    gap: 1.25rem;
}

.info-row {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.035);
    padding: 1.25rem;
}

.info-row h2,
.info-row h3 {
    color: #FAFAFA;
    font-size: 1.25rem;
    font-weight: 800;
}

.info-row p,
.info-row li {
    color: #A1A1AA;
    line-height: 1.8;
}

.info-row p {
    margin-top: 0.65rem;
}

.check-list {
    margin-top: 1rem;
    display: grid;
    gap: 0.7rem;
}

.check-list li {
    display: flex;
    gap: 0.6rem;
}

.check-list li::before {
    content: "";
    margin-top: 0.7rem;
    height: 0.45rem;
    width: 0.45rem;
    flex: none;
    border-radius: 999px;
    background: #22D3EE;
}

.legal-content {
    color: #A1A1AA;
}

.legal-content h2 {
    margin-top: 2rem;
    color: #FAFAFA;
    font-size: 1.2rem;
    font-weight: 800;
}

.legal-content p,
.legal-content li {
    margin-top: 0.75rem;
    line-height: 1.8;
}

.legal-content ul {
    margin-top: 0.75rem;
    padding-left: 1.2rem;
}

.legal-content li {
    list-style: disc;
}

.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(9, 9, 11, 0.6);
}

.footer-heading {
    color: #FAFAFA;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.footer-link {
    color: #A1A1AA;
    transition: color 0.2s ease;
}

@media (max-width: 640px) {
    .section-spacing {
        padding-bottom: 4rem;
        padding-top: 4rem;
    }

    .page-hero {
        padding-top: 8rem;
    }
}