:root {
    --brand: #FF0000;
    /* primary */
    --bg: #000000;
    /* page bg */
    --bg-soft: #0B0B0B;
    /* subtle gradient end */
    --text: #FFFFFF;
    /* primary text */
    --muted: #AAAAAA;
    /* secondary text */
    --card: #0E0E0E;
    /* panels */
    --ring: rgba(255, 0, 0, 0.35);
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
    --radius: 14px;
    --maxw: 1120px;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #FFFFFF;
        --bg-soft: #FAFAFA;
        --text: #0C0C0C;
        --muted: #616161;
        --card: #FFFFFF;
        --ring: rgba(255, 0, 0, 0.25);
        --shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
    }
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
    /* helps Safari choose dark overscroll glow */
}

html,
body {
    height: 100%;
    background: #000;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji", sans-serif;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Layout */
.container {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 20px;
}

header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(8px);
    background: color-mix(in oklab, var(--bg) 85%, transparent);
    border-bottom: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.brand-logo {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: radial-gradient(100% 100% at 70% 30%, #FF9A9A 0%, var(--brand) 60%, #A80000 100%);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18), 0 6px 14px rgba(0, 0, 0, 0.25);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid color-mix(in oklab, var(--brand) 25%, transparent);
    box-shadow: var(--shadow);
    transition: transform .06s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
    will-change: transform;
}

.btn-primary {
    background: var(--brand);
    color: #FFFFFF;
}

.btn-primary:hover {
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
}

/* Hero */
.hero {
    padding: 72px 0 32px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 36px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    background: color-mix(in oklab, var(--brand) 20%, transparent);
    color: var(--text);
    font-weight: 600;
    border: 1px solid var(--ring);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.1;
    margin: 18px 0 12px;
}

.subhead {
    color: var(--muted);
    font-size: clamp(1rem, 2.6vw, 1.2rem);
    margin: 0 0 22px;
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
}

.device {
    border-radius: var(--radius);
    background: linear-gradient(180deg, color-mix(in oklab, var(--card) 92%, #000 8%), var(--card));
    border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
    box-shadow: var(--shadow);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    display: grid;
    place-items: center;
}

.device img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Sections */
.section {
    padding: 54px 0;
}

.section h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: 8px;
}

.kicker {
    color: var(--muted);
    margin-bottom: 26px;
}

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

.feature {
    background: var(--card);
    border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.feature h3 {
    margin: 6px 0 8px;
    font-size: 1.1rem;
}

.feature p {
    margin: 0;
    color: var(--muted);
}

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

.quote {
    background: var(--card);
    border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
    color: var(--muted);
}

.quote strong {
    color: var(--text);
}

footer {
    padding: 26px 0 60px;
    color: var(--muted);
    border-top: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 18px;
    align-items: center;
}

.social a {
    color: var(--muted);
    text-decoration: none;
    margin-right: 12px;
}

.social a:hover {
    color: var(--text);
}

/* Responsive */
@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

@media (max-width: 640px) {

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

    .nav-links {
        display: none;
    }
}

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}