/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #3B82F6;
    --primary-light: #60A5FA;
    --primary-dark: #1E1B4B;
    --accent: #8B5CF6;
    --success: #10B981;
    --success-light: #34D399;
    --warning: #F59E0B;
    --warning-light: #FBBF24;
    --destructive: #F43F5E;
    --destructive-light: #FB7185;
    --surface: #18181B;
    --surface-light: #27272A;
    --bg: #09090B;
    --text: #FAFAFA;
    --text-secondary: #A1A1AA;
    --text-tertiary: #71717A;
    --border: #27272A;
    --radius: 16px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --radius-md: 12px;
}

html {
    scroll-behavior: smooth;
}

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

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

h1, h2, h3 {
    line-height: 1.15;
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
}

/* === Gradient Text === */
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent), var(--success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(59, 130, 246, 0.5);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.125rem;
}

/* === Nav === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-cta {
    padding: 8px 20px;
    border-radius: var(--radius-xs);
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: rgba(59, 130, 246, 0.25);
}

/* === Hero === */
.hero {
    position: relative;
    padding: 160px 0 80px;
    text-align: center;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -0.04em;
}

.hero-sub {
    max-width: 560px;
    margin: 0 auto 40px;
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.hero-actions {
    margin-bottom: 60px;
}

/* === Phone Mockup === */
.hero-phones {
    display: flex;
    justify-content: center;
}

.phone {
    width: 280px;
    border-radius: 36px;
    border: 3px solid rgba(255, 255, 255, 0.08);
    background: var(--surface);
    padding: 12px;
    box-shadow:
        0 0 80px rgba(139, 92, 246, 0.12),
        0 0 40px rgba(59, 130, 246, 0.1),
        0 20px 60px rgba(0, 0, 0, 0.5);
}

.phone-screen {
    border-radius: 26px;
    overflow: hidden;
    background: #09090B;
}

.screen-mock {
    padding: 24px 16px;
}

.mock-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.mock-rank {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    background: rgba(139, 92, 246, 0.1);
    padding: 4px 10px;
    border-radius: 6px;
}

.mock-xp {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
}

.mock-streak {
    text-align: center;
    margin-bottom: 24px;
}

.streak-number {
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    background: linear-gradient(180deg, #FFFFFF, rgba(255, 255, 255, 0.6));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.streak-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 4px;
}

.streak-sub {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    font-variant-numeric: tabular-nums;
    margin-top: 2px;
}

.mock-missions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.mission {
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.mission.done {
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.15);
    background: rgba(16, 185, 129, 0.06);
}

.mission.done::before {
    content: "✓ ";
}

.mock-panic {
    text-align: center;
    padding: 10px;
    border-radius: 10px;
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.2);
    color: var(--destructive);
    font-size: 0.8125rem;
    font-weight: 700;
}

/* === Features === */
.features {
    padding: 120px 0;
}

.features h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.feature-card:hover {
    border-color: rgba(139, 92, 246, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(139, 92, 246, 0.06);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === How it Works === */
.how-it-works {
    padding: 100px 0;
}

.how-it-works h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.step {
    text-align: center;
}

.step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === Ranks === */
.ranks {
    padding: 100px 0;
}

.ranks h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
}

.section-sub {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 50px;
    font-size: 1.05rem;
}

.ranks-track {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    position: relative;
}

.rank-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    background: var(--surface);
    border: 1px solid var(--border);
    min-width: 100px;
    transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.rank-item:hover {
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
}

.rank-item.highlight {
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.05);
}

.rank-days {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.rank-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--success));
}

.rank-item.highlight .rank-dot {
    background: linear-gradient(135deg, var(--warning), #F97316);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.4);
}

.rank-title {
    font-size: 0.8125rem;
    font-weight: 700;
}

/* === Social Proof === */
.social-proof {
    padding: 80px 0;
}

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

.proof-stat {
    text-align: center;
    padding: 40px 20px;
    border-radius: var(--radius);
    background: var(--surface);
    border: 1px solid var(--border);
}

.proof-number {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-variant-numeric: tabular-nums;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.proof-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* === CTA === */
.cta {
    position: relative;
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.cta h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.cta p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 36px;
}

/* === Footer === */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-brand .logo-text {
    font-size: 1rem;
    font-weight: 700;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color 0.2s;
}

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

.footer-copy {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.25);
}

/* === Animations === */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.phone {
    animation: float 6s ease-in-out infinite;
}

/* === Scroll reveal === */
.feature-card,
.step,
.rank-item,
.proof-stat {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.feature-card.visible,
.step.visible,
.rank-item.visible,
.proof-stat.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Legal Pages === */
.legal-page {
    padding: 140px 0 80px;
}

.legal-page h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
}

.legal-date {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 40px;
}

.legal-content {
    max-width: 720px;
}

.legal-content h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 12px;
    color: var(--text);
}

.legal-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 8px;
    color: var(--text);
}

.legal-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 12px;
}

.legal-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 16px;
}

.legal-content ul li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.75;
    padding-left: 20px;
    position: relative;
}

.legal-content ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.legal-content .link {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
}

.legal-content .link:hover {
    color: var(--primary-light);
}

.legal-note {
    margin-top: 40px;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary) !important;
    font-style: italic;
}

/* === Responsive === */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .ranks-track {
        gap: 10px;
    }

    .rank-item {
        min-width: 80px;
        padding: 12px 14px;
    }

    .hero {
        padding: 130px 0 60px;
    }

    .phone {
        width: 240px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}