/* ============================================
   JustCancel — Glass & Glow Design System
   ============================================ */

:root {
    /* Colors */
    --bg-primary: #08080C;
    --bg-surface: #12121A;
    --bg-elevated: #1A1A24;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    --accent: #4ECDC4;
    --accent-glow: #4ECDC440;
    --purple: #A78BFA;
    --coral: #FF6B6B;
    --gold: #D4AF37;
    --success: #34C759;

    --text-primary: #FFFFFF;
    --text-secondary: #8A8A9A;
    --text-muted: #6B6B80;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Background Effects */
.bg-gradient {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(78, 205, 196, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(167, 139, 250, 0.1), transparent),
        var(--bg-primary);
    z-index: -3;
}

.bg-orbs {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(255, 107, 107, 0.15);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: rgba(78, 205, 196, 0.12);
    top: 40%;
    right: -50px;
    animation-delay: -7s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: rgba(167, 139, 250, 0.1);
    bottom: -100px;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 30px) scale(1.02); }
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
    mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black 40%, transparent 100%);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md) var(--space-lg);
    background: rgba(8, 8, 12, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl) var(--space-lg);
    gap: var(--space-4xl);
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

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

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.hero-cta {
    margin-bottom: var(--space-2xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--coral), #FF5252);
    color: white;
    box-shadow: 0 4px 24px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.4);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 18px;
}

.apple-icon {
    width: 20px;
    height: 20px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--glass-border), transparent);
}

/* Phone Mockup */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #1A1A24, #0F0F16);
    border-radius: 44px;
    padding: 12px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 100px rgba(78, 205, 196, 0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    border-radius: 36px;
    overflow: hidden;
    position: relative;
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
}

.app-preview {
    padding: var(--space-2xl) var(--space-lg) var(--space-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-xl);
    padding-top: var(--space-lg);
}

.preview-title {
    font-size: 18px;
    font-weight: 600;
}

.preview-total {
    font-size: 20px;
    font-weight: 700;
    color: var(--coral);
}

.preview-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.preview-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    animation: slideIn 0.5s ease-out backwards;
}

.preview-item:nth-child(1) { animation-delay: 0.1s; }
.preview-item:nth-child(2) { animation-delay: 0.2s; }
.preview-item:nth-child(3) { animation-delay: 0.3s; }
.preview-item:nth-child(4) { animation-delay: 0.4s; }
.preview-item:nth-child(5) { animation-delay: 0.5s; }

.preview-item-hidden {
    opacity: 0.3;
    filter: blur(2px);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.item-icon {
    font-size: 20px;
}

.item-name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

.item-price {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Sections */
section {
    padding: var(--space-4xl) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

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

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

/* Steps */
.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 200px;
    opacity: 0;
    transform: translateY(20px);
}

.step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--coral), var(--purple));
    border-radius: 50%;
    margin-bottom: var(--space-lg);
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

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

.step-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--glass-border), transparent);
}

/* Privacy Section */
.privacy-section {
    display: flex;
    justify-content: center;
}

.privacy-card {
    text-align: center;
    padding: var(--space-3xl);
    background: linear-gradient(145deg, rgba(78, 205, 196, 0.08), rgba(167, 139, 250, 0.05));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    max-width: 600px;
    opacity: 0;
    transform: translateY(20px);
}

.privacy-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.privacy-icon {
    font-size: 48px;
    margin-bottom: var(--space-lg);
}

.privacy-card h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--space-xl);
}

.privacy-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.privacy-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 16px;
    color: var(--text-secondary);
}

.privacy-feature svg {
    width: 20px;
    height: 20px;
    color: var(--success);
}

.privacy-tagline {
    font-size: 14px;
    color: var(--text-muted);
    font-style: italic;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: var(--space-4xl) var(--space-lg);
}

.cta-content h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.cta-note {
    display: block;
    margin-top: var(--space-md);
    font-size: 13px;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: var(--space-2xl) var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

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

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

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

/* Responsive */
@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        padding-top: 120px;
        gap: var(--space-3xl);
    }

    .hero-content {
        text-align: center;
        max-width: 100%;
    }

    .hero-stats {
        justify-content: center;
    }

    .nav-links {
        display: none;
    }

    .steps {
        flex-direction: column;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        background: linear-gradient(180deg, var(--glass-border), transparent);
    }
}

@media (max-width: 640px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .stat-divider {
        display: none;
    }

    .phone-mockup {
        width: 240px;
        height: 500px;
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
}