/* KoaNode Homepage Styles - Professional Cloud Platform Design */

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

:root {
    /* Professional Cloud Platform Color Palette */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-dark: #1e40af;
    
    /* Orange accent - ONLY for brand, CTA, and hover states */
    --accent-orange: #f97316;
    --accent-orange-light: #fb923c;
    --accent-orange-hover: #ea580c;
    
    /* Professional grays */
    --dark: #1a2332;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    
    /* Semantic colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Typography */
    --font-sans: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 0;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: block;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    text-decoration: none;
}

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

.nav-menu a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-menu a:hover {
    color: var(--accent-orange);
}

.nav-actions {
    display: flex;
    gap: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--accent-orange);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--accent-orange-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.btn-text {
    background: transparent;
    color: var(--gray-700);
}

.btn-text:hover {
    color: var(--accent-orange);
}

.btn-large {
    padding: 14px 28px;
    font-size: 18px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: 100px 0 80px;
    text-align: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
}

.hero-features {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
    color: var(--gray-700);
    font-weight: 500;
}

.hero-badge .icon {
    width: 20px;
    height: 20px;
    color: var(--accent-orange);
}

/* Features Section */
.features {
    padding: var(--section-padding);
    background: var(--white);
}

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

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--accent-orange-light);
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.08);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 24px;
    color: var(--accent-orange);
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray-600);
    font-size: 16px;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.section-title {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    padding: 40px;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-orange-light);
}

.pricing-card.featured {
    border-color: var(--accent-orange);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.12);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-orange);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.price-amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--dark);
}

.price-period {
    font-size: 18px;
    color: var(--gray-500);
    margin-left: 4px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.check-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-orange);
    flex-shrink: 0;
}

/* Developer Section */
.developer {
    padding: var(--section-padding);
    background: var(--white);
}

.dev-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.dev-feature {
    display: flex;
    gap: 20px;
}

.dev-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-orange);
    flex-shrink: 0;
}

.dev-feature h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--dark);
}

.dev-feature p {
    color: var(--gray-600);
    font-size: 16px;
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: var(--dark);
    text-align: center;
}

.cta h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.cta p {
    font-size: 20px;
    color: var(--gray-300);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 30px;
}

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

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--accent-orange);
}

.coming-soon {
    color: var(--gray-600);
    font-size: 14px;
    font-style: italic;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--gray-500);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-grid,
    .pricing-grid,
    .dev-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .dev-feature {
        flex-direction: column;
    }
}