:root {
    --bg: #03030a;
    --bg-accent: #0f0f1a;
    --text: #f8f8ff;
    --muted: rgba(248, 248, 255, 0.7);
    --card: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.1);
    --primary: #7060ff;
    --primary-strong: #8b5cf6;
    --secondary: rgba(255, 255, 255, 0.08);
    --success: #10b981;
}

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

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: radial-gradient(circle at 20% 20%, rgba(112, 96, 255, 0.35), transparent 45%),
                radial-gradient(circle at 80% 0%, rgba(16, 185, 129, 0.25), transparent 40%),
                var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    padding: 2.5rem clamp(1.2rem, 4vw, 3.5rem) 4rem;
    position: relative;
    overflow-x: hidden;
}

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

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

.logo {
    width: clamp(90px, 11vw, 140px);
    height: auto;
    filter: drop-shadow(0 10px 35px rgba(0, 0, 0, 0.45));
}

.site-header {
    position: relative;
    z-index: 1;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0 3rem;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: inherit;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.brand-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.brand-tagline {
    font-size: 0.85rem;
    color: var(--muted);
}

.nav-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.primary-btn,
.secondary-btn,
.ghost-link {
    border-radius: 999px;
    padding: 0.65rem 1.4rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #fff;
    box-shadow: 0 15px 35px rgba(112, 96, 255, 0.35);
}

.primary-btn:hover {
    transform: translateY(-2px);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ghost-link {
    background: transparent;
    color: var(--muted);
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    align-items: center;
    padding-bottom: 4rem;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.15rem;
    color: var(--muted);
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.6rem;
}

.hero-highlights {
    list-style: none;
    display: grid;
    gap: 0.8rem;
    color: var(--muted);
}

.hero-highlights li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-highlights li::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.7);
}

.hero-media {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-media img {
    width: min(520px, 100%);
    display: block;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.8rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

main {
    display: flex;
    flex-direction: column;
    gap: 5rem;
    margin-top: 2rem;
}

.section-header {
    max-width: 700px;
}

.section-header h2 {
    font-size: clamp(2rem, 4.8vw, 3rem);
    margin-bottom: 0.8rem;
}

.section-header p {
    color: var(--muted);
}

.feature-section {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1.5rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

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

.app-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    align-items: start;
}

.benefits {
    list-style: none;
    margin-top: 1rem;
    display: grid;
    gap: 0.7rem;
    color: var(--muted);
}

.benefits li::before {
    content: '•';
    margin-right: 0.4rem;
    color: var(--primary-strong);
}

.stat-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
}

.stat-label {
    color: var(--muted);
}

.faq-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.2rem 1.4rem;
}

.faq-item h3 {
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: var(--muted);
}

.support-section {
    display: flex;
    justify-content: center;
}

.support-card {
    width: min(900px, 100%);
    background: linear-gradient(120deg, rgba(112, 96, 255, 0.18), rgba(16, 185, 129, 0.18));
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.support-card p {
    color: var(--muted);
}

.support-actions {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    align-items: flex-start;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 0.7rem;
}

.site-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: var(--muted);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a {
    color: var(--text);
    opacity: 0.8;
}

@media (max-width: 768px) {
    body {
        padding: 1.5rem;
    }

    .navbar {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .nav-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        justify-content: flex-start;
        gap: 0.4rem;
    }

    .primary-btn,
    .secondary-btn,
    .ghost-link {
        width: 100%;
        text-align: center;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .device-card {
        width: 100%;
    }

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

@media (max-width: 520px) {
    body {
        padding: 1.1rem;
    }

    .hero {
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .hero-highlights {
        gap: 0.6rem;
    }

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

    .app-section {
        gap: 1.5rem;
    }

    .stat-panel {
        grid-template-columns: 1fr;
    }

    .site-footer {
        text-align: left;
    }
}