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

html,
body {
    overflow-x: hidden;
    max-width: 100vw;
}

:root {
    --bg: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a28;
    --border: #1e1e2e;
    --text: #e4e4e7;
    --text-dim: #71717a;
    --accent: #dc2626;
    --accent-glow: rgba(220, 38, 38, 0.3);
    --accent-soft: #991b1b;
    --white: #ffffff;
    --radius: 12px;
}

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

/* Nav */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 20px;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: 2px;
}

.nav-logo span {
    color: #ff0033 !important;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--white);
}

.nav-cta {
    background: var(--accent);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: #ef4444;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 100px 24px 60px;
}

.hero-inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(220, 38, 38, 0.15);
    border: 1px solid rgba(220, 38, 38, 0.3);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--white) 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    font-size: 18px;
    color: var(--text-dim);
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

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

.btn-primary {
    background: var(--accent);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #ef4444;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-primary.btn-full {
    width: 100%;
    text-align: center;
}

.btn-primary.btn-lg {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-ghost {
    color: var(--text);
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.btn-ghost:hover {
    border-color: var(--text-dim);
    background: rgba(255, 255, 255, 0.03);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 4px;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
    z-index: 1;
}

/* Sections */
.section-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

section h2 {
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 48px;
    color: var(--white);
}

/* Features */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

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

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.6;
}

/* How it works */
.how-it-works {
    padding: 100px 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.steps {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 280px;
    flex: 1;
    min-width: 220px;
}

.step-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.step h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.step p {
    color: var(--text-dim);
    font-size: 14px;
}

/* Pricing */
.pricing {
    padding: 100px 0;
}

.price-card {
    max-width: 420px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 2px solid var(--accent);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    position: relative;
    box-shadow: 0 0 60px var(--accent-glow);
}

.price-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
}

.price-amount {
    font-size: 52px;
    font-weight: 900;
    color: var(--white);
    margin: 24px 0;
}

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

.price-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.price-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 15px;
}

.price-features li::before {
    content: '✓ ';
    color: var(--accent);
    font-weight: 700;
}

.price-note {
    color: var(--text-dim);
    font-size: 13px;
    margin-top: 16px;
}

/* CTA */
.final-cta {
    padding: 100px 0;
    text-align: center;
}

.final-cta p {
    color: var(--text-dim);
    font-size: 18px;
    margin-bottom: 32px;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    font-size: 16px;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: 2px;
}

.footer-brand span {
    color: #ff0033 !important;
}

.footer-copy {
    color: var(--text-dim);
    font-size: 13px;
}

/* ── Scroll to Top Button ── */
.scroll-top-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--red);
    color: #fff;
    border: none;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    z-index: 99;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(220, 38, 38, 0.4);
}

.scroll-top-btn.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-top-btn:active {
    transform: scale(0.9);
}

/* ═══════════════════════════════════════════════════════════
   MOBILE RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

    /* Nav */
    .nav-inner {
        padding: 10px 12px;
        gap: 8px;
    }

    .nav-logo {
        font-size: 15px;
        flex-shrink: 0;
    }

    .nav-actions {
        gap: 8px;
        flex-shrink: 0;
    }

    .nav-link {
        font-size: 13px;
        color: var(--white);
    }

    .nav-cta {
        padding: 6px 12px;
        font-size: 12px;
        white-space: nowrap;
        border-radius: 6px;
    }

    /* Hero */
    .hero {
        padding: 80px 16px 40px;
        min-height: auto;
    }

    .hero-badge {
        font-size: 12px;
        padding: 5px 12px;
        margin-bottom: 16px;
    }

    .hero-sub {
        font-size: 15px;
        margin-bottom: 24px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-bottom: 32px;
    }

    .btn-primary {
        padding: 14px 24px;
        font-size: 15px;
        text-align: center;
    }

    .btn-ghost {
        padding: 14px 24px;
        font-size: 15px;
        text-align: center;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-num {
        font-size: 22px;
    }

    .stat-label {
        font-size: 11px;
    }

    .hero-glow {
        width: 300px;
        height: 300px;
    }

    /* Sections */
    section h2 {
        font-size: 24px;
        margin-bottom: 32px;
    }

    .section-inner {
        padding: 0 16px;
    }

    /* Features */
    .features {
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .feature-card {
        padding: 20px;
        width: 100%;
        overflow: hidden;
    }

    .feature-card:hover {
        transform: none;
    }

    /* How it works */
    .how-it-works {
        padding: 60px 0;
    }

    .steps {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    .step {
        max-width: 100%;
    }

    /* Pricing */
    .pricing {
        padding: 60px 0;
    }

    .price-card {
        padding: 32px 20px;
        margin: 0 16px;
    }

    .price-amount {
        font-size: 40px;
    }

    /* CTA */
    .final-cta {
        padding: 60px 0;
    }

    .final-cta p {
        font-size: 15px;
        padding: 0 16px;
        margin-bottom: 24px;
    }

    .btn-primary.btn-lg {
        padding: 16px 24px;
        font-size: 16px;
        margin: 0 auto;
        display: inline-block;
        max-width: calc(100% - 32px);
    }

    .final-cta h2 {
        font-size: 22px;
        padding: 0 16px;
    }

    /* Footer */
    .footer-inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
        padding: 0 16px;
    }
}

@media (max-width: 380px) {
    .hero h1 {
        font-size: 28px;
    }

    .price-amount {
        font-size: 32px;
    }
}