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

:root {
    --primary: #1a1a1a;
    --secondary: #4a5568;
    --accent: #3182ce;
    --accent-hover: #2c5aa0;
    --bg: #ffffff;
    --bg-alt: #f7fafc;
    --border: #e2e8f0;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-cta {
    background: var(--accent);
    color: white;
    padding: 10px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(49, 130, 206, 0.3);
}

/* Hero Section */
.hero {
    padding: 100px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero .subtitle {
    font-size: 24px;
    color: var(--secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero .cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 2px 8px rgba(49, 130, 206, 0.2);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(49, 130, 206, 0.3);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* Credentials Section */
.credentials {
    background: var(--bg-alt);
    padding: 60px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: center;
}

.credential-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

.credential-item p {
    color: var(--secondary);
    font-size: 15px;
}

/* About Section */
.about {
    padding: 80px 0;
}

.about h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 18px;
    line-height: 1.8;
    color: var(--secondary);
}

.about-content p {
    margin-bottom: 20px;
}

/* Instagram Section */
.instagram-section {
    padding: 80px 0;
    background: var(--bg);
}

.instagram-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
}

.instagram-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--secondary);
    margin-bottom: 48px;
}

.instagram-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.instagram-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 12px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #feda75 100%);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.instagram-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.instagram-item a {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.instagram-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    transition: background 0.3s ease;
}

.instagram-item:hover .instagram-placeholder {
    background: rgba(255, 255, 255, 0.2);
}

.instagram-placeholder svg {
    opacity: 0.9;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.instagram-cta {
    text-align: center;
}

.instagram-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Services Section */
.services {
    background: var(--bg-alt);
    padding: 80px 0;
}

.services h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 48px;
    text-align: center;
}

.service-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.service-card h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card .price {
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 24px;
}

.service-card .price span {
    font-size: 18px;
    font-weight: 500;
    color: var(--secondary);
}

.service-card ul {
    list-style: none;
    margin-bottom: 32px;
}

.service-card ul li {
    padding: 12px 0;
    padding-left: 28px;
    position: relative;
    font-size: 16px;
    color: var(--secondary);
}

.service-card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: 18px;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    color: var(--secondary);
    margin-bottom: 32px;
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: 40px 0;
    text-align: center;
}

footer p {
    opacity: 0.8;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .hero .subtitle {
        font-size: 18px;
    }
    
    .hero .cta-group {
        flex-direction: column;
    }
    
    .credentials-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about h2,
    .services h2,
    .cta-section h2,
    .instagram-section h2 {
        font-size: 28px;
    }
    
    .instagram-subtitle {
        font-size: 16px;
        margin-bottom: 32px;
    }
    
    .instagram-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .service-card .price {
        font-size: 32px;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Loading state for Stripe button */
.stripe-loading {
    opacity: 0.7;
    pointer-events: none;
}