/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-dark: #1a1b3a;
    --primary-deep: #2d2e54;
    --accent-electric: #00d4ff;
    --accent-purple: #6366f1;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-white: #ffffff;
    --text-light: #e2e8f0;
    --text-gray: #94a3b8;
    --surface-glass: rgba(255, 255, 255, 0.1);
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 12px 48px rgba(0, 0, 0, 0.15);
    --border-glass: 1px solid rgba(255, 255, 255, 0.2);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-white);
    background: var(--primary-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1a1b3a 0%, #2d2e54 50%, #1a1b3a 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.animated-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(102, 102, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(118, 75, 162, 0.2) 0%, transparent 50%);
    animation: floatShapes 20s ease-in-out infinite;
}

@keyframes floatShapes {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Language Dropdown */
.language-dropdown {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.lang-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    border: var(--border-glass);
    border-radius: 50px;
    color: var(--text-white);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    min-width: 130px;
}

.lang-dropdown-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.lang-dropdown-btn .fas.fa-chevron-down {
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.lang-dropdown-btn.active .fas.fa-chevron-down {
    transform: rotate(180deg);
}

.lang-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--surface-glass);
    backdrop-filter: blur(20px);
    border: var(--border-glass);
    border-radius: 16px;
    padding: 8px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
}

.lang-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.lang-option.active {
    background: var(--accent-gradient);
    color: var(--text-white);
}

.lang-flag {
    font-size: 1.1rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--text-white) 0%, var(--accent-electric) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight {
    background: linear-gradient(135deg, var(--accent-electric) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.email-signup {
    margin-top: 40px;
}

.input-group {
    display: flex;
    gap: 0;
    max-width: 500px;
    margin: 0 auto 30px;
    position: relative;
}

#email {
    flex: 1;
    padding: 18px 24px;
    background: var(--surface-glass);
    border: var(--border-glass);
    border-radius: 60px 0 0 60px;
    color: var(--text-white);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

#email::placeholder {
    color: var(--text-gray);
}

#email:focus {
    outline: none;
    border-color: var(--accent-electric);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
}

.cta-button {
    padding: 18px 32px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 0 60px 60px 0;
    color: var(--text-white);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

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

.cta-button i {
    transition: transform 0.3s ease;
}

.cta-button:hover i {
    transform: translateX(4px);
}

.form-message {
    margin-top: 15px;
    padding: 12px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    display: none;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
    display: block;
}

.form-message.warning {
    background: rgba(251, 191, 36, 0.2);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.3);
    display: block;
}

.signup-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-electric);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* Sections */
.platform-preview,
.target-audiences,
.why-uzbekistan,
.early-access,
.tool-categories {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 60px;
    background: linear-gradient(135deg, var(--text-white) 0%, var(--accent-electric) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Platform Preview */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    border: var(--border-glass);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.feature-card:hover::before {
    opacity: 0.1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
    color: var(--text-white);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-white);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Target Audiences */
.target-audiences {
    background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
}

.audience-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.audience-card {
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    border: var(--border-glass);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.3s ease;
}

.audience-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.audience-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 1.5rem;
    color: var(--text-white);
}

.audience-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-white);
}

.audience-card > p {
    color: var(--accent-electric);
    font-weight: 500;
    margin-bottom: 20px;
}

.audience-card ul {
    list-style: none;
}

.audience-card li {
    color: var(--text-light);
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
}

.audience-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-electric);
    font-weight: bold;
}

/* Why Uzbekistan */
.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.text-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-white);
}

.text-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

.stats-row {
    display: flex;
    gap: 40px;
}

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

.stat-item .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-electric);
    margin-bottom: 5px;
}

.stat-item .stat-text {
    font-size: 0.9rem;
    color: var(--text-gray);
}

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

.ai-visual {
    width: 300px;
    height: 300px;
    position: relative;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
}

.neural-network {
    width: 200px;
    height: 200px;
    background: 
        radial-gradient(circle at 30% 30%, var(--text-white) 2px, transparent 2px),
        radial-gradient(circle at 70% 30%, var(--text-white) 2px, transparent 2px),
        radial-gradient(circle at 50% 70%, var(--text-white) 2px, transparent 2px),
        radial-gradient(circle at 20% 70%, var(--text-white) 2px, transparent 2px),
        radial-gradient(circle at 80% 70%, var(--text-white) 2px, transparent 2px);
    position: relative;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Early Access */
.early-access {
    background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.benefit-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    border: var(--border-glass);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.4rem;
    color: var(--text-white);
}

.benefit-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-white);
}

.benefit-item p {
    color: var(--text-light);
}

.quiz-teaser {
    max-width: 500px;
    margin: 0 auto;
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    border: var(--border-glass);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
}

.quiz-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-white);
}

.quiz-content p {
    color: var(--text-light);
    margin-bottom: 25px;
}

.quiz-button {
    padding: 15px 30px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50px;
    color: var(--text-white);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quiz-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Tool Categories */
.categories-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.category-tag {
    padding: 12px 24px;
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    border: var(--border-glass);
    border-radius: 30px;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-tag:hover {
    background: var(--accent-gradient);
    color: var(--text-white);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-deep) 0%, #1a1a2e 100%);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--text-light);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    justify-content: space-around;
    gap: 40px;
}

.link-group h4 {
    color: var(--text-white);
    font-weight: 600;
    margin-bottom: 20px;
}

.link-group a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: var(--accent-electric);
}

.footer-contact h4 {
    color: var(--text-white);
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-contact p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--surface-glass);
    border: var(--border-glass);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: var(--accent-electric);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .language-dropdown {
        top: 15px;
        right: 15px;
    }
    
    .lang-dropdown-btn {
        padding: 10px 14px;
        font-size: 0.8rem;
        min-width: 110px;
    }
    
    .lang-dropdown-menu {
        min-width: 160px;
        right: 0;
    }
    
    .hero {
        min-height: 90vh;
        padding: 60px 0;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .input-group {
        flex-direction: column;
        gap: 15px;
    }
    
    #email {
        border-radius: 50px;
    }
    
    .cta-button {
        border-radius: 50px;
        justify-content: center;
    }
    
    .signup-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .audience-cards {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .stats-row {
        justify-content: center;
        gap: 30px;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .categories-grid {
        gap: 10px;
    }
    
    .category-tag {
        font-size: 0.8rem;
        padding: 10px 18px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .feature-card,
    .audience-card,
    .quiz-teaser {
        padding: 25px 20px;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }
    
    .lang-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}