:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-tertiary: #2a2a2a;
    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-success: #22c55e;
    --accent-warning: #eab308;
    --accent-danger: #ef4444;
    --radius: 12px;
    --max-width: 1100px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== BUTTONS ===== */

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.15s ease, background-color 0.15s ease;
    border: none;
    cursor: pointer;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
}

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

.btn--secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--bg-secondary);
}

.btn--secondary:hover {
    background: #333;
    transform: translateY(-1px);
}

.btn--large {
    padding: 16px 40px;
    font-size: 1.1rem;
    margin-top: 8px;
}

/* ===== HERO ===== */

.hero {
    background: linear-gradient(160deg, #1a1a2e 0%, var(--bg-primary) 60%);
    padding: 48px 0 36px;
    overflow: hidden;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero__badge img {
    border-radius: 6px;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero__highlight {
    background: linear-gradient(90deg, var(--accent), var(--accent-success));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__tagline {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 480px;
}

.hero__cta {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.hero__meta {
    display: flex;
    gap: 10px;
}

.badge {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hero__screenshot img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===== SECTIONS ===== */

.section {
    padding: 0 0 28px;
}

.section + .section {
    padding-top: 0;
}

.section--alt {
    background: var(--bg-secondary);
}

.section__title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.section__subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 24px;
}

/* ===== PROVIDER GRID ===== */

.provider-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.provider-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius);
    transition: border-color 0.15s ease;
}

.provider-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.provider-card__name {
    font-weight: 500;
    font-size: 0.95rem;
}

.provider-card__status {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.provider-card__status--ok {
    background: rgba(34, 197, 94, 0.15);
    color: var(--accent-success);
}

.provider-card__status--beta {
    background: rgba(234, 179, 8, 0.15);
    color: var(--accent-warning);
}

.provider-card__status--planned {
    background: rgba(128, 128, 128, 0.15);
    color: var(--text-muted);
}

/* ===== FEATURE COLUMNS ===== */

.features-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-column h3 {
    font-size: 1.05rem;
    color: var(--accent);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-weight: 700;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.feature-list li {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.feature-list strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ===== SCREENSHOT GRID ===== */

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.screenshot-item {
    cursor: pointer;
}

.screenshot-item img {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.screenshot-item img:hover {
    transform: scale(1.02);
    border-color: rgba(59, 130, 246, 0.4);
}

.screenshot-item figcaption {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ===== DOWNLOAD ===== */

.download {
    text-align: center;
}

.download__steps {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 28px;
}

.download__step {
    text-align: center;
    max-width: 200px;
}

.download__step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.download__step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.download__step a {
    color: var(--accent);
}

/* ===== SUPPORT ===== */

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.support-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius);
    text-decoration: none;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.support-card:hover {
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

.support-card__name {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.support-card__action {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
}

/* ===== FOOTER ===== */

.footer {
    background: #111;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer__content {
    text-align: center;
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer__links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.15s ease;
}

.footer__links a:hover {
    color: var(--accent);
}

.footer__license {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== LIGHTBOX ===== */

.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 40px;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 95%;
    max-height: 90vh;
    border-radius: var(--radius);
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6);
}

/* ===== RESPONSIVE ===== */

@media (max-width: 900px) {
    .hero {
        padding: 36px 0 24px;
    }

    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__tagline {
        margin: 0 auto 32px;
    }

    .hero__cta {
        justify-content: center;
    }

    .hero__meta {
        justify-content: center;
    }

    .hero__badge {
        justify-content: center;
    }

    .hero__screenshot {
        order: -1;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .features-columns {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .support-grid {
        grid-template-columns: 1fr;
    }

    .screenshot-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .download__steps {
        flex-direction: column;
        gap: 24px;
    }
}

@media (max-width: 600px) {
    .screenshot-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding-bottom: 20px;
    }

    .section__title {
        font-size: 1.6rem;
    }
}