/* ============================================
   TG:ON Landing Page Styles
   Dark cyberpunk theme with neon accents
   ============================================ */

:root {
    --neon-blue: #00f2ff;
    --neon-purple: #bd00ff;
    --neon-green: #0aff00;
    --neon-red: #ff003c;
    --bg-dark: #030305;
    --bg-card: rgba(10, 10, 12, 0.8);
    --text: #fff;
    --text-muted: #9ca3af;
    --border: rgba(255, 255, 255, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.accent { color: var(--neon-blue); }
.gradient-text {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* NAV */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(3, 3, 5, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 800;
    color: white;
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 242, 255, 0.1);
    border: 1px solid rgba(0, 242, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neon-blue);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover { color: white; }

.btn-nav {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple)) !important;
    color: black !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 700 !important;
    font-size: 12px !important;
}

/* HERO */
.hero {
    position: relative;
    padding: 160px 0 100px;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(0, 242, 255, 0.08) 0%, transparent 60%),
        linear-gradient(rgba(0, 242, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 242, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: rgba(0, 242, 255, 0.1);
    border: 1px solid rgba(0, 242, 255, 0.3);
    color: var(--neon-blue);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 800;
    color: black;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 0 30px rgba(0, 242, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(0, 242, 255, 0.5);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.btn-ghost:hover {
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

.stat-val {
    font-size: 20px;
    font-weight: 800;
    color: var(--neon-blue);
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border);
}

/* SECTIONS */
.section {
    padding: 100px 0;
}

.section-dark {
    background: rgba(10, 10, 12, 0.5);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-title {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 8px;
}

.section-sub {
    font-size: 14px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 48px;
}

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

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
}

.step-card:hover {
    border-color: rgba(0, 242, 255, 0.2);
    transform: translateY(-4px);
}

.step-num {
    font-size: 48px;
    font-weight: 900;
    color: rgba(0, 242, 255, 0.1);
    line-height: 1;
    margin-bottom: 8px;
}

.step-icon { font-size: 32px; margin-bottom: 16px; }
.step-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 13px; color: var(--text-muted); }

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 24px;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: rgba(0, 242, 255, 0.2);
}

.feature-icon { font-size: 28px; margin-bottom: 12px; }
.feature-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* PRICING */
.billing-toggle-wrap {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 4px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.billing-btn {
    padding: 8px 24px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.billing-btn.active {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    color: black;
}

.save-badge {
    font-size: 10px;
    color: var(--neon-green);
    font-weight: 800;
}

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

.pricing-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s;
}

.pricing-card:hover {
    border-color: rgba(0, 242, 255, 0.2);
    transform: translateY(-4px);
}

.pricing-card.popular {
    border-color: rgba(0, 242, 255, 0.4);
    box-shadow: 0 0 40px rgba(0, 242, 255, 0.1);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    color: black;
    font-size: 10px;
    font-weight: 800;
    padding: 4px 16px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.pricing-icon { font-size: 36px; margin-bottom: 12px; }
.pricing-name { font-size: 20px; font-weight: 800; margin-bottom: 12px; }

.pricing-price {
    margin-bottom: 4px;
}

.price-amount {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #fff, var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.price-period {
    font-size: 14px;
    color: var(--text-muted);
}

.price-equiv {
    font-size: 11px;
    color: var(--neon-green);
    margin-bottom: 20px;
    min-height: 16px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}

.pricing-features li {
    padding: 6px 0;
    font-size: 13px;
}

.feature-yes { color: var(--text); }
.feature-yes::before { color: var(--neon-green); }
.feature-no { color: rgba(255, 255, 255, 0.3); }

.btn-pricing {
    display: block;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    color: black;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    text-decoration: none;
    transition: all 0.3s;
}

.btn-pricing:hover {
    box-shadow: 0 0 30px rgba(0, 242, 255, 0.3);
}

/* DOWNLOAD */
.download-section {
    text-align: center;
}

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

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 14px;
    text-decoration: none;
    color: white;
    font-weight: 600;
    transition: all 0.3s;
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.download-btn:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 0 30px rgba(0, 242, 255, 0.15);
    transform: translateY(-2px);
}

.dl-label { font-size: 11px; color: var(--text-muted); }
.dl-platform { font-size: 16px; font-weight: 800; }
.dl-note { font-size: 11px; color: var(--text-muted); }

/* FAQ */
.faq-container { max-width: 700px; }

.faq-list { display: flex; flex-direction: column; gap: 8px; }

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    overflow: hidden;
    transition: border-color 0.3s;
}

.faq-item:hover { border-color: rgba(255, 255, 255, 0.15); }

.faq-q {
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-arrow {
    transition: transform 0.3s;
    color: var(--text-muted);
}

.faq-item.open .faq-arrow { transform: rotate(90deg); }

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    padding: 0 20px;
}

.faq-item.open .faq-a {
    max-height: 300px;
    padding: 0 20px 16px;
}

/* FOOTER */
.footer {
    border-top: 1px solid var(--border);
    padding: 48px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.logo-text { font-size: 18px; font-weight: 800; }
.footer-brand p { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.footer-links a:hover { color: white; }
.footer-copy { font-size: 11px; color: rgba(255, 255, 255, 0.3); }

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links { display: none; }

    .steps-grid,
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 { font-size: 2rem; }
    .hero-stats { gap: 16px; }
    .stat-divider { height: 24px; }

    .footer-inner { flex-direction: column; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
    .hero { padding: 120px 0 60px; }
    .section { padding: 60px 0; }
    .download-buttons { flex-direction: column; align-items: center; }
}