:root {
    --primary-color: #007AFF;
    --success-color: #34C759;
    --gold-color: #FFD700;
    --text-color: #1D1D1F;
    --secondary-text: #86868B;
    --background: #FFFFFF;
    --card-background: #F5F5F7;
    --border-radius: 20px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    color: var(--text-color);
    background: var(--background);
    line-height: 1.6;
}

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

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

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

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, #F5F5F7 0%, #FFFFFF 100%);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.5rem;
    color: var(--secondary-text);
    max-width: 600px;
    margin: 0 auto 40px;
}

.app-store-badge {
    display: inline-block;
    transition: transform 0.2s;
}

.app-store-badge:hover {
    transform: scale(1.05);
}

.app-store-badge img {
    height: 54px;
}

.hero-image {
    max-width: 800px;
    margin: 60px auto 0;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--secondary-text);
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #F5F5F7 100%);
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.pricing-subtitle {
    text-align: center;
    color: var(--secondary-text);
    font-size: 1.2rem;
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 960px;
    margin: 0 auto 40px;
}

.pricing-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px 32px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    border: 2px solid transparent;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    margin-top: 8px;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 8px;
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--secondary-text);
}

.price-description {
    color: var(--secondary-text);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    padding: 0;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    color: var(--secondary-text);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: "✓";
    color: var(--success-color);
    font-weight: 700;
}

.free-tier {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: var(--card-background);
    border-radius: 16px;
    padding: 32px;
}

.free-tier h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.free-tier p {
    color: var(--secondary-text);
}

/* Platforms Section */
.platforms {
    padding: 100px 0;
    background: var(--card-background);
}

.platforms h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.platform-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.platform-card .icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.platform-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.platform-card p {
    color: var(--secondary-text);
    font-size: 0.9rem;
}

/* Footer */
footer {
    padding: 60px 0;
    background: var(--text-color);
    color: white;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: white;
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer-column a:hover {
    opacity: 0.7;
}

.footer-bottom {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Legal Pages */
.legal-page {
    padding: 120px 0 80px;
}

.legal-page h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.legal-page .updated {
    color: var(--secondary-text);
    margin-bottom: 40px;
}

.legal-page h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 16px;
}

.legal-page p, .legal-page ul {
    margin-bottom: 16px;
    color: var(--secondary-text);
}

.legal-page ul {
    padding-left: 24px;
}

.legal-page li {
    margin-bottom: 8px;
}

/* Support Page */
.support-page {
    padding: 120px 0 80px;
}

.support-page h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 16px;
}

.support-page > .container > p {
    text-align: center;
    color: var(--secondary-text);
    margin-bottom: 60px;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.support-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
}

.support-card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.support-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.support-card p {
    color: var(--secondary-text);
    margin-bottom: 20px;
}

.support-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.faq {
    max-width: 800px;
    margin: 0 auto;
}

.faq h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
}

.faq-item {
    background: var(--card-background);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.faq-item p {
    color: var(--secondary-text);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .nav-links {
        display: none;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: 32px;
    }
}