/* ========================================
   OpenWA Landing Page Styles
   Colors synced with OpenWA Dashboard
   ======================================== */

/* CSS Custom Properties - Light Mode (Default) */
:root {
    /* Primary Colors - WhatsApp Green */
    --primary: #25d366;
    --primary-hover: #1da851;
    --primary-glow: rgba(37, 211, 102, 0.2);
    
    /* Backgrounds */
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: rgba(0, 0, 0, 0.02);
    --bg-glass: rgba(0, 0, 0, 0.03);
    
    /* Text Colors - Slate Palette */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    /* Borders */
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-hover));
    --gradient-hero: radial-gradient(ellipse at top, rgba(37, 211, 102, 0.08), transparent 50%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px var(--primary-glow);
    
    /* Code Block */
    --code-bg: #1e293b;
    
    /* Navbar */
    --navbar-bg: rgba(255, 255, 255, 0.85);
    --navbar-scrolled: rgba(255, 255, 255, 0.95);
    
    /* Radius */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', system-ui, Avenir, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Mode - Synced with OpenWA Dashboard */
[data-theme="dark"] {
    --primary: #25d366;
    --primary-hover: #1da851;
    --primary-glow: rgba(37, 211, 102, 0.3);
    
    --bg-light: #0f172a;
    --bg-white: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(255, 255, 255, 0.05);
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-hover: #475569;
    
    --gradient-hero: radial-gradient(ellipse at top, rgba(37, 211, 102, 0.15), transparent 50%);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
    
    --code-bg: rgba(15, 23, 42, 0.9);
    --navbar-bg: rgba(15, 23, 42, 0.85);
    --navbar-scrolled: rgba(15, 23, 42, 0.95);
}



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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: var(--navbar-scrolled);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.nav-logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.nav-github {
    display: flex;
    align-items: center;
}

.nav-cta {
    padding: 10px 20px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--bg-white);
    transition: var(--transition-normal);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    color: var(--primary);
    border-color: var(--border-hover);
}

.theme-toggle .sun-icon {
    display: block;
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: block;
}


.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-container {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 32px;
    animation: fadeInDown 0.6s ease;
}

.badge-icon {
    font-size: 1rem;
}

.hero-logo {
    width: 140px;
    height: 140px;
    margin-bottom: 32px;
    animation: fadeIn 0.8s ease, float 6s ease-in-out infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-white);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

/* Trust Badges */
.trust-badges {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.5s both;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.badge-emoji {
    font-size: 1.1rem;
}

/* Code Preview */
.code-preview {
    width: 100%;
    max-width: 800px;
    margin: 60px auto 0;
    animation: fadeInUp 0.6s ease 0.6s both;
}

.code-window {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.code-window.large {
    max-width: 100%;
}

.code-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.code-title {
    flex: 1;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.copy-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.copy-btn:hover {
    background: var(--bg-card-hover);
    color: var(--primary);
}

.copy-btn.copied {
    color: var(--primary);
}

.code-content {
    padding: 20px 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    overflow-x: auto;
    color: var(--text-secondary);
}

.code-content code {
    display: block;
    white-space: pre;
}

.code-comment { color: var(--text-muted); }
.code-keyword { color: var(--primary); }
.code-string { color: #fbbf24; }

/* ========================================
   Sections Common
   ======================================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.feature-list .check {
    color: var(--primary);
    font-weight: 600;
}

/* ========================================
   Comparison Section
   ======================================== */
.comparison {
    background: var(--bg-white);
}

.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--bg-glass);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.comparison-table th.highlight {
    background: rgba(74, 222, 128, 0.1);
    color: var(--primary);
}

.comparison-table td {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.comparison-table td.highlight {
    background: rgba(74, 222, 128, 0.05);
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--text-primary);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:hover {
    background: var(--bg-glass);
}

.badge-free {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
}

.check-icon {
    color: var(--primary);
    font-size: 1.1rem;
}

.cross-icon {
    color: #ef4444;
    font-size: 1.1rem;
}

.limited {
    color: #fbbf24;
    font-size: 0.85rem;
}

/* ========================================
   Quick Start Section
   ======================================== */
.quickstart {
    background: var(--bg-light);
}

.quickstart-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab-btn:hover {
    background: var(--bg-card-hover);
}

.tab-btn.active {
    background: rgba(74, 222, 128, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.quickstart-ports {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.port-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.port-icon {
    font-size: 1.5rem;
}

.port-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.port-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.port-info code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--primary);
}

/* ========================================
   Tech Stack Section
   ======================================== */
.techstack {
    background: var(--bg-white);
}

.tech-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    min-width: 120px;
}

.tech-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.tech-item img {
    width: 48px;
    height: 48px;
}

.tech-item span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   Community Section
   ======================================== */
.community {
    background: var(--bg-light);
}

.community-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.community-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.community-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.community-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 32px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.community-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.community-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.contribution-guide h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.contribution-guide ol {
    counter-reset: steps;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contribution-guide li {
    counter-increment: steps;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.contribution-guide li::before {
    content: counter(steps);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
}

.contribution-guide li strong {
    color: var(--text-primary);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-logo {
    width: 40px;
    height: 40px;
}

.footer-name {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--primary);
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: 16px;
}

.license-badge {
    padding: 4px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.8rem;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Scroll Animation Class */
.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .community-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--navbar-scrolled);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
    }

    
    .nav-links.active {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-logo {
        width: 100px;
        height: 100px;
    }
    
    .trust-badges {
        gap: 12px;
    }
    
    .trust-badge {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .code-preview {
        margin-top: 40px;
    }
    
    .code-content {
        font-size: 0.75rem;
        padding: 16px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-links {
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .quickstart-ports {
        flex-direction: column;
        gap: 12px;
    }
    
    .community-stats {
        justify-content: center;
    }
    
    .community-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        flex: 1;
        justify-content: center;
        padding: 12px 16px;
    }
}