/* TrueRead Marketing Site */
/* Theme: Deep space black + electric cyan + violet */

:root {
    --bg: #06080F;
    --surface: #111627;
    --surface-elevated: #1A2035;
    --border: #232A3F;
    --accent: #00D4FF;
    --violet: #8B5CF6;
    --amber: #F59E0B;
    --green: #10B981;
    --red: #EF4444;
    --text: #FFFFFF;
    --text-secondary: #94A3B8;
    --text-tertiary: #64748B;
    --radius: 16px;
    --radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Hero ── */
.hero {
    text-align: center;
    padding: 120px 0 80px;
    background: radial-gradient(ellipse at 50% 0%, rgba(0,212,255,0.08) 0%, transparent 60%);
}

.hero-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(0,212,255,0.08);
    border: 1px solid rgba(0,212,255,0.2);
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 32px;
}

.hero h1 {
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #FFFFFF 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: var(--bg);
    font-size: 16px;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 24px rgba(0,212,255,0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,212,255,0.4);
}

/* ── Screenshots ── */
.screenshots {
    padding: 80px 0;
}

.screenshots h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--text);
}

.screenshot-scroll {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0 24px 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.screenshot-scroll::-webkit-scrollbar {
    height: 6px;
}

.screenshot-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.screenshot-scroll::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.screenshot-item {
    flex: 0 0 auto;
    scroll-snap-align: center;
    text-align: center;
}

.screenshot-item img {
    width: 240px;
    height: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    transition: transform 0.2s;
}

.screenshot-item img:hover {
    transform: scale(1.03);
}

.screenshot-label {
    display: block;
    margin-top: 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ── Features ── */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--text);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: rgba(0,212,255,0.3);
    transform: translateY(-2px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-icon.cyan { background: rgba(0,212,255,0.1); color: var(--accent); }
.feature-icon.green { background: rgba(16,185,129,0.1); color: var(--green); }
.feature-icon.violet { background: rgba(139,92,246,0.1); color: var(--violet); }
.feature-icon.amber { background: rgba(245,158,11,0.1); color: var(--amber); }

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ── How It Works ── */
.how-it-works {
    padding: 80px 0;
}

.how-it-works h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--text);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: center;
    position: relative;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--violet));
    color: var(--bg);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.step-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
    line-height: 1.4;
}

.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ── Privacy Section ── */
.privacy-section {
    padding: 80px 0;
}

.privacy-card {
    background: var(--surface);
    border: 1px solid var(--green);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.privacy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--green), transparent);
}

.privacy-icon {
    color: var(--green);
    margin-bottom: 20px;
    display: inline-block;
}

.privacy-card h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--green);
}

.privacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    text-align: left;
    max-width: 700px;
    margin: 0 auto;
}

.privacy-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.check {
    color: var(--green);
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

/* ── Pricing ── */
.pricing {
    padding: 80px 0;
    text-align: center;
}

.pricing h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

.pricing-sub {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 720px;
    margin: 0 auto;
}

.price-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.price-card.featured {
    border-color: var(--accent);
}

.price-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--violet));
}

.price-tier {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.price-card.featured .price-tier {
    color: var(--accent);
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 4px;
}

.price-card.featured .price-amount {
    color: var(--accent);
}

.price-amount span {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-tertiary);
}

.price-label {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 28px;
}

.price-features {
    list-style: none;
    text-align: left;
}

.price-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.price-features li:last-child {
    border-bottom: none;
}

.price-features li::before {
    content: '\2713';
    color: var(--accent);
    font-weight: 700;
    margin-right: 10px;
}

/* ── Footer ── */
footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-brand {
    margin-bottom: 16px;
}

.footer-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}

.footer-tagline {
    display: block;
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-copy {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero { padding: 80px 0 60px; }
    .features, .screenshots, .how-it-works, .privacy-section, .pricing { padding: 60px 0; }
    .privacy-card { padding: 32px 24px; }
    .feature-grid { grid-template-columns: 1fr; }
    .privacy-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; gap: 16px; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 380px; }
    .screenshot-item img { width: 200px; }
}

@media (max-width: 480px) {
    .screenshot-item img { width: 170px; }
    .hero h1 { font-size: 36px; }
    .hero-sub { font-size: 16px; }
}