:root {
    --tvc-bg: #0d1117;
    --tvc-bg-soft: #161b22;
    --tvc-card: #1c2431;
    --tvc-border: #2a3240;
    --tvc-text: #e6edf3;
    --tvc-muted: #9aa7b8;
    --tvc-primary: #7c5cff;
    --tvc-primary-2: #22d3ee;
    --tvc-accent: #ff7ac6;
    --tvc-gradient: linear-gradient(120deg, #7c5cff 0%, #22d3ee 100%);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background: var(--tvc-bg);
    color: var(--tvc-text);
    margin: 0;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--tvc-primary-2);
}

.tvc-accent {
    background: var(--tvc-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ---------- Navbar ---------- */
.tvc-navbar {
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--tvc-border);
    padding: 0.85rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.tvc-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--tvc-text) !important;
}

.tvc-logo-mark {
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--tvc-gradient);
    color: #0d1117;
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: -0.5px;
}

.tvc-navbar .nav-link {
    color: var(--tvc-muted) !important;
    font-weight: 500;
    padding: 0.5rem 0.9rem !important;
    transition: color 0.2s ease;
}

.tvc-navbar .nav-link:hover {
    color: var(--tvc-text) !important;
}

.tvc-nav-cta {
    background: var(--tvc-gradient);
    color: #0d1117 !important;
    border-radius: 8px;
    font-weight: 700 !important;
    margin-left: 0.5rem;
}

.tvc-nav-cta:hover {
    color: #0d1117 !important;
    opacity: 0.9;
}

/* ---------- Buttons ---------- */
.tvc-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.6rem;
    border-radius: 10px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.tvc-btn-primary {
    background: var(--tvc-gradient);
    color: #0d1117;
    box-shadow: 0 8px 30px rgba(124, 92, 255, 0.35);
}

.tvc-btn-primary:hover {
    transform: translateY(-2px);
    color: #0d1117;
    box-shadow: 0 12px 40px rgba(124, 92, 255, 0.5);
}

.tvc-btn-ghost {
    background: transparent;
    color: var(--tvc-text);
    border: 1px solid var(--tvc-border);
}

.tvc-btn-ghost:hover {
    border-color: var(--tvc-primary);
    color: var(--tvc-text);
}

/* ---------- Hero ---------- */
.tvc-hero {
    position: relative;
    padding: 6rem 0 5rem;
    overflow: hidden;
}

.tvc-hero::before {
    content: "";
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.22) 0%, rgba(34, 211, 238, 0.08) 40%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.tvc-hero > .container {
    position: relative;
    z-index: 1;
}

.tvc-eyebrow {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background: rgba(124, 92, 255, 0.12);
    border: 1px solid rgba(124, 92, 255, 0.35);
    color: var(--tvc-primary-2);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.tvc-hero h1 {
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 1.25rem;
}

.tvc-hero-lead {
    font-size: 1.2rem;
    color: var(--tvc-muted);
    max-width: 620px;
    margin: 0 auto 2rem;
}

.tvc-hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.tvc-hero-meta {
    margin-top: 1.5rem;
    color: var(--tvc-muted);
    font-size: 0.9rem;
}

/* ---------- Section shells ---------- */
.tvc-section {
    padding: 5rem 0;
}

.tvc-section-alt {
    background: var(--tvc-bg-soft);
    border-top: 1px solid var(--tvc-border);
    border-bottom: 1px solid var(--tvc-border);
}

.tvc-section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 0.75rem;
    text-align: center;
}

.tvc-section-sub {
    color: var(--tvc-muted);
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem;
    font-size: 1.05rem;
}

/* ---------- Feature cards ---------- */
.tvc-card {
    background: var(--tvc-card);
    border: 1px solid var(--tvc-border);
    border-radius: 16px;
    padding: 1.75rem;
    height: 100%;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.tvc-card:hover {
    transform: translateY(-4px);
    border-color: var(--tvc-primary);
}

.tvc-card-icon {
    display: inline-grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(124, 92, 255, 0.15);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.tvc-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tvc-card p {
    color: var(--tvc-muted);
    margin: 0;
    font-size: 0.97rem;
}

/* ---------- Stats ---------- */
.tvc-stat {
    text-align: center;
}

.tvc-stat-num {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--tvc-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tvc-stat-label {
    color: var(--tvc-muted);
    font-size: 0.95rem;
}

/* ---------- Format pills ---------- */
.tvc-formats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.tvc-pill {
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    background: var(--tvc-card);
    border: 1px solid var(--tvc-border);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--tvc-text);
}

/* ---------- About ---------- */
.tvc-about-card {
    background: var(--tvc-card);
    border: 1px solid var(--tvc-border);
    border-radius: 20px;
    padding: 3rem;
}

.tvc-values li {
    margin-bottom: 0.75rem;
    color: var(--tvc-muted);
}

.tvc-values li strong {
    color: var(--tvc-text);
}

/* ---------- Download page ---------- */
.tvc-download-hero {
    padding: 4.5rem 0 2rem;
    text-align: center;
}

.tvc-download-card {
    background: var(--tvc-card);
    border: 1px solid var(--tvc-border);
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    text-align: center;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.tvc-download-card.featured {
    border-color: var(--tvc-primary);
    box-shadow: 0 10px 40px rgba(124, 92, 255, 0.18);
}

.tvc-download-card:hover {
    transform: translateY(-4px);
}

.tvc-os-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.tvc-download-card h3 {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.tvc-download-meta {
    color: var(--tvc-muted);
    font-size: 0.88rem;
    margin-bottom: 1.25rem;
}

.tvc-badge {
    display: inline-block;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    background: rgba(34, 211, 238, 0.15);
    color: var(--tvc-primary-2);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.tvc-req-table {
    width: 100%;
    border-collapse: collapse;
}

.tvc-req-table th,
.tvc-req-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--tvc-border);
    text-align: left;
}

.tvc-req-table th {
    color: var(--tvc-muted);
    font-weight: 600;
    width: 40%;
}

/* ---------- Footer ---------- */
.tvc-footer {
    background: var(--tvc-bg-soft);
    border-top: 1px solid var(--tvc-border);
    padding: 3.5rem 0 1.5rem;
    color: var(--tvc-muted);
    margin-top: 2rem;
}

.tvc-footer-brand {
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--tvc-text);
    margin-bottom: 0.75rem;
}

.tvc-footer-desc {
    font-size: 0.95rem;
    max-width: 340px;
}

.tvc-footer-head {
    color: var(--tvc-text);
    font-weight: 700;
    margin-bottom: 1rem;
}

.tvc-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tvc-footer-links li {
    margin-bottom: 0.5rem;
}

.tvc-footer-links a {
    color: var(--tvc-muted);
}

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

.tvc-footer-bottom {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--tvc-border);
    font-size: 0.85rem;
    text-align: center;
}

.tvc-alert {
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid rgba(34, 211, 238, 0.3);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    color: var(--tvc-text);
}