/* Reset e base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --purple: #7B6CF6;
    --purple-dark: #6858D5;
    --purple-light: #9D8FF8;
    --bg: #FAFAFA;
    --text: #1A1A1A;
    --text-light: #666;
    --border: #E5E5E5;
    --white: #FFFFFF;
}

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

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

/* Header */
header {
    padding: 24px 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-circle {
    width: 40px;
    height: 40px;
    background: var(--purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 24px;
}

.logo-text {
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
}

/* Hero Section */
.hero {
    padding: 80px 0 120px;
    background: linear-gradient(135deg, var(--white) 0%, #F5F3FF 100%);
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text);
}

.subtitle {
    font-size: 20px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 40px;
}

.cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

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

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

.launch-date {
    color: var(--text-light);
    font-size: 16px;
}

/* Features */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features h2 {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--bg);
    border-radius: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 16px;
}

/* AI Coach */
.ai-coach {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 100%);
    color: var(--white);
    text-align: center;
}

.ai-coach h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 24px;
}

.ai-description {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.95;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background: var(--white);
}

.pricing h2 {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.pricing-card.featured {
    background: var(--white);
    border-color: var(--purple);
    box-shadow: 0 8px 24px rgba(123, 108, 246, 0.15);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--purple);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.price {
    font-size: 48px;
    font-weight: 700;
    color: var(--purple);
    margin-bottom: 24px;
}

.price span {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-light);
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-card li {
    padding: 10px 0;
    color: var(--text-light);
    font-size: 15px;
}

.pricing-card li::before {
    content: "✓ ";
    color: var(--purple);
    font-weight: 700;
    margin-right: 8px;
}

.alt-price {
    color: var(--text-light);
    font-size: 14px;
}

/* Footer */
footer {
    background: var(--text);
    color: var(--white);
    padding: 48px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 32px;
}

.footer-brand p {
    margin-top: 16px;
    opacity: 0.7;
    font-size: 14px;
}

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.2s;
    font-size: 15px;
}

.footer-links a:hover {
    opacity: 1;
}

.copyright {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .subtitle {
        font-size: 18px;
    }

    .features h2,
    .ai-coach h2,
    .pricing h2 {
        font-size: 32px;
    }

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

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

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

    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}
