/**
 * MyUnfollowApp Landing Page
 * Modern, clean, minimalist design
 */

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

:root {
    --purple: #8B5CF6;
    --pink: #EC4899;
    --gradient: linear-gradient(135deg, var(--purple) 0%, var(--pink) 100%);

    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    --green: #10b981;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 100;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
}

.logo img {
    border-radius: 8px;
}

.nav-cta {
    color: var(--purple);
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
    transition: opacity 0.2s;
}

.nav-cta:hover {
    opacity: 0.7;
}

/* Hero */
.hero {
    padding: 120px 0 100px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--gray-100);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 32px;
}

.hero-title {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: var(--gray-900);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 20px;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 80px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-700);
}

.btn-ghost:hover {
    background: var(--gray-100);
}

.btn-large {
    padding: 18px 36px;
    font-size: 18px;
}

/* Stats */
.stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    padding: 32px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    max-width: 700px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-200);
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gray-100);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--purple);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 18px;
    color: var(--gray-600);
}

/* Features */
.features {
    padding: 100px 0;
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature {
    padding: 32px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    transition: all 0.3s;
}

.feature:hover {
    border-color: var(--purple);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.1);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature p {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.6;
}

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

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin: 0 auto 20px;
}

.step-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--gray-600);
    font-size: 15px;
}

/* Pricing */
.pricing {
    padding: 100px 0;
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    border-color: var(--purple);
    box-shadow: 0 12px 32px rgba(139, 92, 246, 0.15);
}

.pricing-card.featured {
    border-color: var(--purple);
    box-shadow: 0 12px 32px rgba(139, 92, 246, 0.2);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.price {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.amount {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.period {
    font-size: 16px;
    color: var(--gray-500);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 15px;
}

.btn-outline-full,
.btn-primary-full {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-outline-full {
    background: transparent;
    color: var(--purple);
    border: 2px solid var(--gray-200);
}

.btn-outline-full:hover {
    border-color: var(--purple);
    background: var(--gray-50);
}

.btn-primary-full {
    background: var(--gradient);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-primary-full:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
}

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

.cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--gray-400);
    margin-top: 12px;
    font-size: 15px;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    margin-bottom: 12px;
    font-size: 15px;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 48px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat-divider {
        width: 100%;
        height: 1px;
    }

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

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

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

    .section-title {
        font-size: 36px;
    }

    .cta-content h2 {
        font-size: 36px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        gap: 40px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero,
.features,
.how-it-works,
.pricing,
.cta {
    animation: fadeIn 0.6s ease;
}