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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #ffffff;
    --bg-gray: #f9fafb;
    --border: #e5e7eb;
    --success: #10b981;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: linear-gradient(to bottom, var(--bg), var(--bg-gray));
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text);
    letter-spacing: -0.02em;
}

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

.cta-button {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
    box-shadow: var(--shadow);
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Products Section */
.products-section {
    padding: 80px 0;
    background: var(--bg-gray);
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.product-card {
    background: white;
    border-radius: 12px;
    padding: 32px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.product-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.product-description {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
    flex-grow: 1;
}

.product-features {
    list-style: none;
    margin-bottom: 24px;
    padding: 0;
}

.product-features li {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 8px;
    padding-left: 0;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.product-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
}

.buy-button {
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
}

.buy-button:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* Bundle Card */
.bundle-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.bundle-content h4 {
    font-size: 28px;
    margin-bottom: 8px;
}

.bundle-description {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 16px;
}

.bundle-pricing {
    display: flex;
    gap: 16px;
    align-items: center;
}

.bundle-regular {
    font-size: 18px;
    text-decoration: line-through;
    opacity: 0.7;
}

.bundle-price {
    font-size: 36px;
    font-weight: 800;
}

.bundle-button {
    background: white;
    color: #667eea;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.2s;
    white-space: nowrap;
}

.bundle-button:hover {
    transform: scale(1.05);
}

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

.about-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.about-text a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    padding: 40px 0;
    background: var(--bg-gray);
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--text);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

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

    .bundle-card {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }

    .bundle-pricing {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .products-section, .about-section {
        padding: 60px 0;
    }
}

/* Avatar */
.about-avatar {
    margin-bottom: 24px;
}

.avatar-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    border: 4px solid white;
}

/* Contact Form */
.contact-form-wrapper {
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
}

.contact-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 480px;
    margin: 0 auto;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: white;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    background: var(--primary);
    color: white;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.submit-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.form-status {
    margin-top: 16px;
    font-size: 14px;
    font-weight: 500;
}

.form-status.success {
    color: var(--success);
}

.form-status.error {
    color: #ef4444;
}

/* Coming Soon Products */
.product-card.coming-soon {
    position: relative;
    opacity: 0.85;
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.buy-button.disabled {
    background: var(--text-light);
    cursor: not-allowed;
    opacity: 0.7;
}

.buy-button.disabled:hover {
    transform: none;
    background: var(--text-light);
}