/* TikTak Marketing Site */
:root {
    --tt-accent: #2B5797;
    --tt-accent-hover: #1e3f6e;
    --tt-bg: #fafaf9;
    --tt-surface: #ffffff;
    --tt-text: #1a1a1a;
    --tt-text-secondary: #6b7280;
    --tt-border: #e5e5e5;
    --tt-success: #16a34a;
    --tt-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
    font-family: var(--tt-font);
    color: var(--tt-text);
    background: var(--tt-bg);
    margin: 0;
    line-height: 1.6;
}

/* ── Navbar ─────────────────────────── */
.tt-nav {
    background: var(--tt-surface);
    border-bottom: 1px solid var(--tt-border);
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}
.tt-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.tt-nav-brand {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--tt-accent);
    text-decoration: none;
}
.tt-nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}
.tt-nav-links a {
    color: var(--tt-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.15s;
}
.tt-nav-links a:hover { color: var(--tt-text); }

/* ── Buttons ────────────────────────── */
.btn-tt {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.15s;
    border: none;
    cursor: pointer;
}
.btn-tt-primary {
    background: var(--tt-accent);
    color: #fff;
}
.btn-tt-primary:hover {
    background: var(--tt-accent-hover);
    color: #fff;
}
.btn-tt-outline {
    background: transparent;
    color: var(--tt-accent);
    border: 2px solid var(--tt-accent);
}
.btn-tt-outline:hover {
    background: var(--tt-accent);
    color: #fff;
}
.btn-tt-lg {
    padding: 0.85rem 2rem;
    font-size: 1.05rem;
}

/* ── Hero ───────────────────────────── */
.tt-hero {
    padding: 5rem 1.5rem 4rem;
    text-align: center;
    background: linear-gradient(180deg, var(--tt-surface) 0%, var(--tt-bg) 100%);
}
.tt-hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 1.25rem;
    letter-spacing: -0.02em;
}
.tt-hero h1 span { color: var(--tt-accent); }
.tt-hero p {
    font-size: 1.2rem;
    color: var(--tt-text-secondary);
    max-width: 560px;
    margin: 0 auto 2rem;
}
.tt-hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Sections ───────────────────────── */
.tt-section {
    padding: 5rem 1.5rem;
}
.tt-section-alt {
    background: var(--tt-surface);
}
.tt-section h2 {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin: 0 0 0.75rem;
}
.tt-section .section-sub {
    text-align: center;
    color: var(--tt-text-secondary);
    font-size: 1.1rem;
    max-width: 520px;
    margin: 0 auto 3rem;
}

/* ── Feature Cards ──────────────────── */
.tt-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 960px;
    margin: 0 auto;
}
.tt-feature-card {
    background: var(--tt-surface);
    border: 1px solid var(--tt-border);
    border-radius: 12px;
    padding: 2rem;
    transition: box-shadow 0.2s;
}
.tt-section-alt .tt-feature-card {
    background: var(--tt-bg);
}
.tt-feature-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.tt-feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(43, 87, 151, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--tt-accent);
    margin-bottom: 1rem;
}
.tt-feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
}
.tt-feature-card p {
    color: var(--tt-text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* ── Pricing ────────────────────────── */
.tt-pricing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 720px;
    margin: 0 auto;
}
.tt-price-card {
    background: var(--tt-surface);
    border: 2px solid var(--tt-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
}
.tt-price-card.featured {
    border-color: var(--tt-accent);
}
.tt-price-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--tt-accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.tt-price-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}
.tt-price-amount {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--tt-text);
    margin: 1rem 0 0.25rem;
}
.tt-price-amount span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--tt-text-secondary);
}
.tt-price-card .price-desc {
    color: var(--tt-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}
.tt-price-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
    text-align: left;
}
.tt-price-features li {
    padding: 0.4rem 0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tt-price-features .check {
    color: var(--tt-success);
    font-weight: 700;
}
.tt-price-features .x {
    color: #d1d5db;
    font-weight: 700;
}

/* ── CTA Section ────────────────────── */
.tt-cta {
    text-align: center;
    padding: 5rem 1.5rem;
    background: var(--tt-accent);
    color: #fff;
}
.tt-cta h2 {
    color: #fff;
    margin-bottom: 1rem;
}
.tt-cta p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    max-width: 480px;
    margin: 0 auto 2rem;
}
.btn-tt-white {
    background: #fff;
    color: var(--tt-accent);
}
.btn-tt-white:hover {
    background: #f0f0f0;
    color: var(--tt-accent-hover);
}

/* ── Footer ─────────────────────────── */
.tt-footer {
    background: var(--tt-text);
    color: rgba(255,255,255,0.6);
    padding: 3rem 1.5rem 2rem;
    text-align: center;
}
.tt-footer a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}
.tt-footer a:hover { color: #fff; }
.tt-footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.tt-footer-copy {
    font-size: 0.85rem;
    margin: 0;
}

/* ── Responsive ─────────────────────── */
@media (max-width: 768px) {
    .tt-nav-links { display: none; }
    .tt-hero { padding: 3rem 1rem 2.5rem; }
    .tt-section { padding: 3rem 1rem; }
    .tt-pricing { grid-template-columns: 1fr; }
}