/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER ===== */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: #667eea;
    text-decoration: none;
}

.logo-icon {
    font-size: 32px;
    margin-right: 10px;
}

.logo-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: #555;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.btn-login {
    padding: 10px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.3s;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 100px 0 80px;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5em;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3em;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    padding: 14px 32px;
    font-size: 1.1em;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: #fff;
    color: #667eea;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255,255,255,0.3);
}

.btn-secondary {
    background: rgba(255,255,255,0.2);
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.3);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.2em;
}

/* ===== STATS ===== */
.stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1em;
    opacity: 0.9;
}

/* ===== SECTIONS ===== */
.section-title {
    text-align: center;
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 50px;
    color: #333;
}

/* ===== FEATURES PREVIEW ===== */
.features-preview {
    padding: 80px 0;
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3em;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3em;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* ===== SECURITY SECTION ===== */
.security-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.security-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.security-text {
    flex: 1;
}

.security-text h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #333;
}

.security-text p {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 20px;
}

.security-list {
    list-style: none;
    padding-left: 0;
}

.security-list li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: #555;
}

.security-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.2em;
}

.security-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shield-icon {
    font-size: 15em;
    opacity: 0.3;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.8em;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2em;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-note {
    font-size: 0.9em;
    margin-top: 20px;
    opacity: 0.8;
}

/* ===== FOOTER ===== */
.footer {
    background: #1a1a1a;
    color: #aaa;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.1em;
}

.footer-section p {
    line-height: 1.8;
}

.footer-section a {
    display: block;
    color: #aaa;
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #667eea;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 5px;
    font-size: 0.9em;
}

/* ===== FORM STYLES ===== */
.form-container {
    background: #fff;
    padding: 60px 0;
    min-height: calc(100vh - 200px);
}

.form-box {
    max-width: 500px;
    margin: 0 auto;
    background: #fff;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.form-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.form-box p {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

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

.form-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.3s;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.form-note {
    text-align: center;
    margin-top: 20px;
    color: #999;
    font-size: 0.9em;
}

.form-link {
    color: #667eea;
    text-decoration: none;
}

.form-link:hover {
    text-decoration: underline;
}

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

/* ===== PRICING PAGE ===== */
.pricing-section {
    padding: 80px 0;
    background: #fff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.pricing-card:hover {
    border-color: #667eea;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.pricing-card.featured {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-5px);
}

.pricing-badge {
    display: inline-block;
    background: #ffd700;
    color: #333;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    margin-bottom: 15px;
}

.pricing-card h3 {
    font-size: 1.8em;
    margin-bottom: 15px;
}

.pricing-price {
    font-size: 3em;
    font-weight: 700;
    margin-bottom: 10px;
}

.pricing-period {
    font-size: 1em;
    opacity: 0.8;
    margin-bottom: 30px;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.pricing-card.featured .pricing-features li {
    border-bottom-color: rgba(255,255,255,0.2);
}

.pricing-btn {
    display: inline-block;
    padding: 12px 40px;
    background: #667eea;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.pricing-card.featured .pricing-btn {
    background: #fff;
    color: #667eea;
}

.pricing-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

/* ===== DOCS PAGE ===== */
.docs-section {
    padding: 60px 0;
    background: #fff;
    min-height: calc(100vh - 200px);
}

.docs-container {
    max-width: 900px;
    margin: 0 auto;
}

.docs-container h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #333;
}

.docs-container h2 {
    font-size: 1.8em;
    margin-top: 40px;
    margin-bottom: 15px;
    color: #667eea;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 10px;
}

.docs-container h3 {
    font-size: 1.4em;
    margin-top: 30px;
    margin-bottom: 10px;
    color: #555;
}

.docs-container p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

.docs-container code {
    background: #f8f9fa;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #d63384;
}

.docs-container pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 20px 0;
    font-family: 'Courier New', monospace;
}

.docs-container pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.api-endpoint {
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    padding: 20px;
    margin: 20px 0;
    border-radius: 4px;
}

.api-method {
    display: inline-block;
    padding: 4px 12px;
    background: #667eea;
    color: #fff;
    border-radius: 4px;
    font-weight: 600;
    margin-right: 10px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-title {
        font-size: 2.2em;
    }
    
    .hero-subtitle {
        font-size: 1.1em;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .security-content {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}