/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #007AFF;
    --primary-dark: #0056b3;
    --success: #34C759;
    --background: #ffffff;
    --surface: #f5f5f7;
    --text: #1d1d1f;
    --text-secondary: #86868b;
    --border: #d2d2d7;
}

html {
    scroll-behavior: smooth;
}

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

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    background: linear-gradient(135deg, var(--primary) 0%, #5856d6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
    text-decoration: none;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--text);
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 500;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

.apple-icon {
    width: 24px;
    height: 24px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background: var(--text);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 50px 100px rgba(0, 0, 0, 0.2);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 32px;
    overflow: hidden;
    position: relative;
}

.scan-animation {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 3px solid var(--success);
    border-radius: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.95); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: var(--surface);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

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

/* How It Works */
.how-it-works {
    padding: 6rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 1rem;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, #5856d6 100%);
    color: white;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.cta-section .cta-button {
    background: white;
    color: var(--primary);
}

/* Support Section */
.support-section {
    padding: 6rem 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.support-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.faq-container {
    margin-bottom: 3rem;
}

.faq-container h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.faq-item {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
}

.faq-item h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.faq-item p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.contact-card {
    background: var(--surface);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
}

.contact-card h3 {
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.contact-card a {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    transition: transform 0.2s;
}

.contact-card a:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

/* Legal Section */
.legal-section {
    padding: 6rem 2rem;
    max-width: 900px;
    margin: 0 auto;
    background: var(--surface);
}

.legal-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.legal-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.legal-tab {
    background: white;
    border: 2px solid var(--border);
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.legal-tab:hover {
    border-color: var(--primary);
}

.legal-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.legal-content {
    display: none;
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.legal-content.active {
    display: block;
}

.legal-content .last-updated {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.legal-content h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.legal-content h4 {
    font-size: 1rem;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.legal-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.legal-content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.legal-content li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.legal-content strong {
    color: var(--text);
}

/* Footer */
footer {
    background: var(--text);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.footer-bottom {
    border-top: 1px solid #333;
    margin-top: 3rem;
    padding-top: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        width: 220px;
        height: 460px;
    }

    .nav-links {
        display: none;
    }

    .features h2,
    .how-it-works h2,
    .cta-section h2,
    .support-section h2,
    .legal-section h2 {
        font-size: 2rem;
    }

    .legal-tabs {
        flex-direction: column;
    }

    .legal-tab {
        width: 100%;
    }

    .legal-content {
        padding: 1.5rem;
    }
}