/* Payfer Premium CSS - Modern FinTech Design */
:root {
    /* Colors - Blue & Gold Theme */
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #60A5FA;
    --secondary: #F59E0B;
    --secondary-dark: #D97706;
    --secondary-light: #FBBF24;
    --accent: #8B5CF6;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    
    /* Dark Mode */
    --bg-primary: #0B1120;
    --bg-secondary: #151F32;
    --bg-card: rgba(21, 31, 50, 0.7);
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    --text-tertiary: #64748B;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    --gradient-secondary: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
    --gradient-dark: linear-gradient(135deg, #0B1120 0%, #151F32 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Borders */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Light Mode (optional) */
.light-mode {
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-card: rgba(255, 255, 255, 0.9);
    --text-primary: #0F172A;
    --text-secondary: #334155;
    --text-tertiary: #64748B;
    --border-color: rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.7);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Effects */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* Glass Effect */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-md);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn i {
    font-size: var(--font-size-lg);
}

/* Primary Button */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Glow Effect */
.btn-glow {
    position: relative;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn-glow:hover::after {
    opacity: 0.5;
    filter: blur(10px);
}

/* Button Sizes */
.btn-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

/* Logo */
.logo {
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.logo a {
    text-decoration: none;
    color: var(--text-primary);
}

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

.logo-dot {
    color: var(--secondary);
    -webkit-text-fill-color: var(--secondary);
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Nav Buttons */
.nav-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-2xl);
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links,
    .nav-buttons {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-2xl) 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.hero-badge i {
    color: var(--secondary);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

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

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}

/* Hero Image */
.hero-image {
    position: relative;
    height: 600px;
}

.hero-illustration {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: float 6s ease-in-out infinite;
}

/* Floating Cards */
.floating-card {
    position: absolute;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: float 3s ease-in-out infinite;
    z-index: 3;
}

.floating-card i {
    font-size: var(--font-size-xl);
}

.floating-card.card-1 {
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 30%;
    left: 0;
    animation-delay: 1s;
}

.floating-card.card-3 {
    bottom: 10%;
    right: 20%;
    animation-delay: 2s;
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
    color: var(--bg-primary);
}

.hero-wave svg {
    width: 100%;
    height: auto;
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Section Styles */
section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-icon i {
    font-size: var(--font-size-2xl);
    color: white;
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

/* How It Works */
.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 60px;
    left: 30px;
    width: 2px;
    height: calc(100% - 30px);
    background: linear-gradient(to bottom, var(--primary), transparent);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.step-content {
    padding: var(--spacing-lg);
    flex: 1;
}

.step-content h3 {
    margin-bottom: var(--spacing-xs);
}

.step-demo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--radius-full);
    margin-top: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.step-demo i {
    color: var(--secondary);
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    align-items: center;
}

.pricing-card {
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card.popular {
    transform: scale(1.05);
    border: 2px solid transparent;
    background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
                var(--gradient-primary) border-box;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: var(--spacing-lg);
}

.pricing-header h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.price {
    margin-bottom: var(--spacing-sm);
}

.amount {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
}

.currency {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.saving {
    font-size: var(--font-size-sm);
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.pricing-features {
    margin-bottom: var(--spacing-xl);
}

.pricing-features ul {
    list-style: none;
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.pricing-features li i {
    color: var(--success);
}

.pricing-features li i.fa-star {
    color: var(--secondary);
}

/* CTA Section */
.cta-content {
    padding: var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: hidden;
}

.cta-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, var(--primary), transparent 30%);
    animation: rotate 4s linear infinite;
    opacity: 0.1;
}

.cta-title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.cta-description {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.cta-stats {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    position: relative;
    z-index: 1;
}

.cta-stats .stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
}

.cta-stats .stat-item i {
    color: var(--secondary);
}

/* FAQ Section */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.faq-question h3 {
    margin: 0;
    font-size: var(--font-size-lg);
}

.faq-question i {
    transition: transform var(--transition-normal);
    color: var(--secondary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    padding: 0 var(--spacing-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    margin: 0;
}

.faq-answer a {
    color: var(--primary);
    text-decoration: none;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand p {
    margin-top: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-section h4 {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

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

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

.footer-section i {
    margin-right: var(--spacing-xs);
    color: var(--secondary);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-tertiary);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 99;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary);
    transform: translateY(-5px);
}

/* Loader */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-normal);
}

.loader-wrapper.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader {
    position: relative;
    width: 100px;
    height: 100px;
}

.loader-circle {
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--primary);
    border-right-color: var(--secondary);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

.loader-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: 700;
    font-size: var(--font-size-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* API Documentation Styles */
.api-docs {
    background: var(--bg-primary);
}

.api-hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    text-align: center;
}

.api-title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
}

.api-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.api-base-url {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--glass-bg);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
}

.api-base-url .label {
    color: var(--text-secondary);
}

.api-base-url code {
    background: var(--bg-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: 'Fira Code', monospace;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-normal);
}

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

/* API Grid */
.api-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-xl);
}

/* API Sidebar */
.api-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.sidebar-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
}

.sidebar-nav {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.sidebar-nav li {
    margin-bottom: var(--spacing-xs);
}

.sidebar-nav a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: var(--primary);
    color: white;
}

.sidebar-footer {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.auth-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.auth-info i {
    color: var(--secondary);
}

.auth-info code {
    background: var(--bg-secondary);
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
}

/* API Main Content */
.api-section {
    margin-bottom: var(--spacing-2xl);
    scroll-margin-top: 100px;
}

.api-section h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
}

.method-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.method {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.method.get {
    background: var(--success);
    color: white;
}

.method.post {
    background: var(--primary);
    color: white;
}

.method.put {
    background: var(--secondary);
    color: white;
}

.method.delete {
    background: var(--danger);
    color: white;
}

/* Tables */
.params-table,
.errors-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.params-table th,
.errors-table th {
    text-align: left;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    font-weight: 600;
}

.params-table td,
.errors-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.params-table tr:last-child td,
.errors-table tr:last-child td {
    border-bottom: none;
}

.params-table code,
.errors-table code {
    background: var(--bg-secondary);
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
    font-family: 'Fira Code', monospace;
}

/* Code Blocks */
.code-block {
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #1E1E1E;
}

.code-block pre {
    margin: 0;
    padding: var(--spacing-lg);
}

.code-block code {
    font-family: 'Fira Code', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* Info Box */
.info-box {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--info);
    margin: var(--spacing-lg) 0;
}

.info-box i {
    font-size: var(--font-size-2xl);
    color: var(--info);
}

.info-box strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.info-box p {
    margin: 0;
}

/* Example Tabs */
.example-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 500;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.example-code {
    display: none;
}

.example-code.active {
    display: block;
}

/* Note */
.note {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
}

.note i {
    color: var(--info);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        height: 400px;
    }
    
    .api-grid {
        grid-template-columns: 1fr;
    }
    
    .api-sidebar {
        position: static;
        margin-bottom: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: var(--font-size-4xl);
    }
    
    h2 {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
    
    .step-item {
        flex-direction: column;
    }
    
    .step-item:not(:last-child)::after {
        display: none;
    }
    
    .step-number {
        margin: 0 auto;
    }
}

/* Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}

/* Loading States */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 25%,
        var(--bg-secondary) 50%,
        var(--bg-card) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-wave,
    .back-to-top,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .glass-effect {
        background: none;
        border: 1px solid #ddd;
    }
}