:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --secondary: #8b5cf6;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --dark-bg: #0f172a;
    --border: #e2e8f0;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

h1 span.highlight {
    color: var(--primary);
    position: relative;
}

h2 {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 3rem;
}

.section-subtitle {
    text-align: center;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    display: block;
}

p {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
}

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

.btn-white {
    background-color: white;
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-main);
}

.logo-icon {
    background: var(--primary);
    color: white;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.875rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-select {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
}

.lang-select svg {
    width: 16px;
    height: 16px;
}

.login-link {
    font-weight: 600;
    color: var(--text-main);
}

.login-link:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--primary);
    filter: blur(150px);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    opacity: 0.15;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--secondary);
    filter: blur(150px);
    border-radius: 50%;
    bottom: -50px;
    left: -50px;
    opacity: 0.1;
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
    background: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
}

.hero-feature-item svg {
    color: var(--primary);
    width: 16px;
    height: 16px;
}

.hero-image {
    position: relative;
    z-index: 1;
}

/* Code Editor Mockup */
.code-editor {
    background: var(--dark-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg), 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-editor-header {
    background: #1e293b;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.dot-red {
    background: #ef4444;
}

.dot-yellow {
    background: #f59e0b;
}

.dot-green {
    background: #10b981;
}

.code-editor-title {
    margin-left: 1rem;
    color: #94a3b8;
    font-size: 0.75rem;
    font-family: monospace;
}

.code-content {
    padding: 1.5rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.875rem;
    color: #e2e8f0;
    line-height: 1.7;
}

.token.keyword {
    color: #c678dd;
}

.token.function {
    color: #61afef;
}

.token.string {
    color: #98c379;
}

.token.comment {
    color: #5c6370;
    font-style: italic;
}

.token.tag {
    color: #e06c75;
}

.token.attr-name {
    color: #d19a66;
}

.floating-badge {
    position: absolute;
    background: white;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-main);
    top: -20px;
    right: -20px;
    animation: float 3s ease-in-out infinite;
    z-index: 10;
}

.floating-badge-2 {
    position: absolute;
    background: white;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-main);
    bottom: -20px;
    left: -20px;
    animation: float 4s ease-in-out infinite reverse;
    z-index: 10;
}

.badge-icon {
    width: 32px;
    height: 32px;
    background: #eff6ff;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.badge-icon svg {
    width: 18px;
    height: 18px;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0);
    }
}

/* Sections Grid */
.section {
    padding: 5rem 0;
}

.bg-light {
    background-color: white;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem auto;
}

.section-header p {
    font-size: 1.125rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(59, 130, 246, 0.3);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: #eff6ff;
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.card:hover .card-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.card p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Stats Section */
.stats-section {
    padding: 3rem 0;
}

.stats-container {
    background: var(--dark-bg);
    border-radius: var(--radius-lg);
    padding: 3rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.stats-container::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(15, 23, 42, 0) 100%);
    pointer-events: none;
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: #94a3b8;
    font-weight: 500;
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: 3rem 0 5rem 0;
}

.cta-container {
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    border-radius: var(--radius-lg);
    padding: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px -10px rgba(59, 130, 246, 0.4);
}

.cta-container::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
    top: -300px;
    right: -200px;
    border-radius: 50%;
}

.cta-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.cta-icon {
    width: 72px;
    height: 72px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.cta-icon svg {
    width: 36px;
    height: 36px;
    color: white;
}

.cta-text h2 {
    text-align: left;
    margin-bottom: 0.5rem;
    font-size: 2rem;
    color: white;
}

.cta-text p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 1.125rem;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 4rem 0 2rem 0;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-logo .logo-icon {
    background: white;
    color: var(--primary);
}

.footer-desc {
    color: #94a3b8;
    max-width: 400px;
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(244, 244, 244, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #64748b;
    font-size: 0.875rem;
}

.footer-lang {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-features {
        justify-content: center;
    }

    .floating-badge {
        right: 0;
    }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .nav-links {
        display: none;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .cta-container {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
        gap: 2rem;
    }

    .cta-content {
        flex-direction: column;
    }

    .cta-text h2 {
        text-align: center;
    }

    .footer .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }

    .stats-container {
        grid-template-columns: 1fr;
    }
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 4px 6px 4px 12px;
    gap: 8px;
    cursor: pointer;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.theme-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    transition: color 0.3s ease;
}

.theme-icon-wrapper {
    background: var(--primary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-icon-wrapper svg {
    width: 14px;
    height: 14px;
}

/* Dark mode overrides */
body.dark-mode {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
}

body.dark-mode .theme-toggle {
    background: #1e293b;
    border-color: #334155;
    flex-direction: row-reverse;
    padding: 4px 12px 4px 6px;
}

body.dark-mode .theme-text {
    color: #e2e8f0;
}

body.dark-mode .navbar {
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

body.dark-mode .hero-feature-item {
    background: var(--bg-card);
    color: var(--text-main);
    border-color: var(--border);
}

body.dark-mode .bg-light {
    background-color: var(--bg-main);
}

body.dark-mode .floating-badge,
body.dark-mode .floating-badge-2 {
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

body.dark-mode .badge-icon {
    background: rgba(59, 130, 246, 0.2);
}