:root {
    --primary-rgb: 99, 102, 241;
    --glow-primary: rgba(99, 102, 241, 0.3);
    --glow-secondary: rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] {
    --primary-rgb: 129, 140, 248;
    --glow-primary: rgba(129, 140, 248, 0.25);
    --glow-secondary: rgba(129, 140, 248, 0.15);
}

@keyframes appear {
    0% { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    100% { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes appear-zoom {
    0% { 
        opacity: 0; 
        transform: scale(0.95); 
    }
    100% { 
        opacity: 1; 
        transform: scale(1); 
    }
}

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

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animate-appear {
    animation: appear 0.6s ease-out forwards;
}

.animate-appear-zoom {
    animation: appear-zoom 0.8s ease-out forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.delay-100 { animation-delay: 100ms; }
.delay-150 { animation-delay: 150ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

.hero-section {
    position: relative;
    background: var(--bg-body);
    padding: 5rem 1rem 6rem;
    overflow: hidden;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

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

.hero-grid-bg svg {
    width: 100%;
    height: 100%;
}

.hero-glow {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-glow::before {
    content: '';
    position: absolute;
    left: 50%;
    top: -128px;
    transform: translateX(-50%) scale(2.5);
    width: 60%;
    height: 512px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, var(--glow-primary) 10%, transparent 60%);
    animation: pulse-glow 4s ease-in-out infinite;
}

.hero-glow::after {
    content: '';
    position: absolute;
    left: 50%;
    top: -64px;
    transform: translateX(-50%) scale(2);
    width: 40%;
    height: 256px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, var(--glow-secondary) 10%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
}

.hero-badge .iconify {
    font-size: 0.875rem;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(180deg, var(--text-main) 0%, var(--text-main) 60%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.hero-buttons .btn-primary {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.4);
    transition: all 0.3s ease;
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.5);
}

.hero-buttons .btn-outline {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hero-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-stats .stat-item .iconify {
    color: var(--color-primary);
}

.hero-stats .stat-divider {
    width: 1px;
    height: 1rem;
    background: var(--border-color);
}

@media (max-width: 640px) {
    .hero-stats .stat-divider {
        display: none;
    }
    .hero-stats {
        flex-direction: column;
        gap: 0.75rem;
    }
}

.features-section {
    padding: 5rem 1rem;
    background: var(--bg-surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
}

.feature-card {
    padding: 1.75rem;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: rgba(var(--primary-rgb), 0.5);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

[data-theme="dark"] .feature-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin-bottom: 1.25rem;
}

.feature-icon .iconify {
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.feature-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.code-section {
    padding: 5rem 1rem;
    background: var(--bg-body);
}

.code-section-inner {
    max-width: 960px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.75rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-muted);
}

.code-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.code-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-surface-hover);
}

.code-card-header .iconify {
    color: var(--color-primary);
}

.code-card-header span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-main);
}

.code-card-body {
    padding: 1.5rem;
    overflow-x: auto;
}

.code-card-body pre {
    margin: 0;
    font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--text-main);
}

.code-card-body .code-comment {
    color: var(--text-light);
}

.code-card-body .code-keyword {
    color: #c678dd;
}

.code-card-body .code-string {
    color: #98c379;
}

.code-card-body .code-function {
    color: #61afef;
}

.code-card-body .code-variable {
    color: #e5c07b;
}

[data-theme="dark"] .code-card-body .code-keyword { color: #c792ea; }
[data-theme="dark"] .code-card-body .code-string { color: #c3e88d; }
[data-theme="dark"] .code-card-body .code-function { color: #82aaff; }
[data-theme="dark"] .code-card-body .code-variable { color: #ffcb6b; }

.stats-section {
    padding: 5rem 1rem;
    background: var(--bg-surface);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-value {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.cta-section {
    padding: 5rem 1rem;
    background: var(--bg-body);
    text-align: center;
}

.cta-section .section-title {
    margin-bottom: 1rem;
}

.cta-section .section-description {
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.providers-section {
    padding: 4rem 1rem;
    background: var(--bg-body);
    border-top: 1px solid var(--border-color);
}

.providers-title {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
}

.providers-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.provider-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.provider-icon:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.provider-icon .iconify {
    font-size: 1.5rem;
}

@media (max-width: 640px) {
    .hero-section {
        padding: 3rem 1rem 4rem;
        min-height: auto;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .features-section,
    .code-section,
    .stats-section,
    .cta-section {
        padding: 3rem 1rem;
    }
}