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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-item:hover {
    color: #d4af37;
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-primary {
    background: #d4af37;
    border: none;
    color: #1a1a2e;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #b8941f;
    transform: translateY(-1px);
}

/* Promo Banner */
.promo-banner {
    background: linear-gradient(90deg, #8b4513, #a0522d);
    color: white;
    text-align: center;
    padding: 0.75rem;
    font-weight: 500;
    margin-top: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.promo-icon {
    font-size: 1.2rem;
}

/* Hero Section */
.hero-section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.rating-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    color: white;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.stars {
    color: #ffd700;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    color: white;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.cta-button {
    background: white;
    color: #1a1a2e;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    display: flex;
    justify-content: center;
}

.invitation-preview {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    max-width: 300px;
    width: 100%;
}

.invitation-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #f5f5f5;
    padding: 0.75rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.app-icon {
    font-size: 1.2rem;
}

.invitation-content h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.memorial-card {
    background: linear-gradient(135deg, #2c2c54, #40407a);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    color: white;
    position: relative;
    margin-bottom: 1rem;
}

.age-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.rip-text {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 2px;
}

.peace-text {
    font-size: 2rem;
    font-weight: 700;
    color: #d4af37;
}

.open-button {
    background: #007AFF;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

/* Features Section */
.features-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 4rem 2rem;
    backdrop-filter: blur(10px);
}

.features-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.features-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.features-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 3rem;
}

.customization-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-button.active {
    background: #d4af37;
    color: #1a1a2e;
    border-color: #d4af37;
}

.tab-button:hover {
    background: rgba(255, 255, 255, 0.15);
}

.tab-button.active:hover {
    background: #b8941f;
}

/* Invitation Showcase */
.invitation-showcase {
    display: flex;
    justify-content: center;
}

.showcase-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 0;
    max-width: 600px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.card-content {
    padding: 2rem;
}

.event-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 0.5rem;
}

.event-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    color: #666;
    margin-bottom: 1.5rem;
}

.event-date, .event-time {
    font-size: 1rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.event-time {
    font-weight: 600;
}

.event-host, .event-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0;
    color: #666;
    font-size: 0.9rem;
}

.event-description {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.5;
    margin-top: 1rem;
}

.card-visual {
    background: linear-gradient(135deg, #2c2c54, #40407a);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    padding: 2rem;
}

.years-display {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.memorial-portrait {
    font-size: 4rem;
    filter: grayscale(0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .showcase-card {
        grid-template-columns: 1fr;
    }
    
    .customization-tabs {
        gap: 0.5rem;
    }
    
    .tab-button {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}