/* 2025 Modern Landing Page Styles */
:root {
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #0f0f23;
    --text-secondary: #64748b;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-large: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Floating Navigation */
.floating-nav {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 60px;
    padding: 0.75rem 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-container {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-brand {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.login-btn {
    background: var(--primary-gradient);
    color: white;
    font-weight: 600;
}

.nav-link.login-btn:hover {
    background: linear-gradient(135deg, #5b5fe8 0%, #7c3aed 50%, #c026d3 100%);
    color: white;
}

/* Language Switcher */
.language-switcher {
    margin-left: 1rem;
}

.language-switcher select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    outline: none;
}

.language-switcher select:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
}

.language-switcher select:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.language-switcher option {
    background: var(--surface);
    color: var(--text-primary);
    padding: 0.5rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    transition: transform 3s cubic-bezier(0.4, 0, 0.2, 1);
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #8b5cf6, #d946ef);
    bottom: -150px;
    left: -150px;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, #3b82f6, #6366f1);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-gradient);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-medium);
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
    color: white;
}

.cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid var(--glass-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    color: var(--text-primary);
}

/* Section Styles */
.features,
.how-it-works,
.faq,
.cta-section {
    padding: 8rem 0;
    position: relative;
}

.features {
    background: var(--surface-soft);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-badge {
    display: inline-block;
    background: var(--primary-gradient);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card.glass {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card.glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s;
}

.feature-card.glass:hover::before {
    left: 100%;
}

.feature-card.glass:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* How It Works */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    padding: 2rem;
    background: var(--surface);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.step-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 60px;
}

.step-content {
    flex: 1;
}

.step-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: white;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-connector {
    width: 2px;
    height: 2rem;
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple));
    margin: 0 auto;
    border-radius: 1px;
}

/* FAQ Section */
.faq {
    background: var(--surface-soft);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item.glass {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    margin-bottom: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.05);
}

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-toggle {
    color: var(--accent-blue);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.cta-content.glass {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 4rem;
    border-radius: 32px;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.cta-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .floating-nav {
        top: 1rem;
        padding: 0.5rem 1.5rem;
    }
    
    .nav-container {
        gap: 2rem;
    }
    
    .nav-links {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .floating-nav {
        left: 1rem;
        right: 1rem;
        transform: none;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        min-width: auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        gap: 2rem;
    }
    
    .cta-content.glass {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: clamp(2rem, 6vw, 2.5rem);
    }
    
    .features,
    .how-it-works,
    .faq,
    .cta-section {
        padding: 4rem 0;
    }
    
    .feature-card.glass {
        padding: 2rem;
    }
    
    .nav-brand {
        font-size: 1rem;
    }
    
    .nav-link {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}