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

:root {
    /* Light Mode Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #EFF6FF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #64748B;
    --border-color: #E2E8F0;

    /* Gradient Colors */
    --gradient-start: #00D4FF;
    --gradient-mid: #7B61FF;
    --gradient-end: #FF1B6D;

    /* Accent Colors */
    --accent-primary: #00D4FF;
    --accent-secondary: #7B61FF;
    --accent-tertiary: #FF1B6D;

    /* Shadow */
    --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);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
html[data-theme="dark"] {
    --bg-primary: #0F1419;
    --bg-secondary: #1A1F2E;
    --bg-tertiary: #242E42;
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-tertiary: #94A3B8;
    --border-color: #334155;
}

html {
    scroll-behavior: smooth;
    color-scheme: light dark;
}

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

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

/* Control Panel */
.controls-panel {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 12px;
    z-index: 1000;
    flex-direction: column;
    align-items: flex-end;
}

/* Theme Toggle Button */
.theme-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.theme-toggle svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
    transition: var(--transition);
}

.sun-icon {
    position: absolute;
    opacity: 1;
}

.moon-icon {
    position: absolute;
    opacity: 0;
}

html[data-theme="dark"] .sun-icon {
    opacity: 0;
}

html[data-theme="dark"] .moon-icon {
    opacity: 1;
}

/* Language Toggle */
.language-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: 4px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    position: relative;
    align-items: center;
}

.lang-tooltip {
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 600;
    white-space: nowrap;
    padding: 0 10px;
    letter-spacing: 0.3px;
    opacity: 0;
    transition: var(--transition);
    max-width: 0;
    overflow: hidden;
}

.language-toggle:hover .lang-tooltip {
    opacity: 1;
    max-width: 120px;
}

.lang-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 700;
    font-size: 13px;
    border-radius: 50px;
    transition: var(--transition);
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

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

.lang-btn.active {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    color: white;
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.theme-toggle svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
    transition: var(--transition);
}

.sun-icon {
    position: absolute;
    opacity: 1;
}

.moon-icon {
    position: absolute;
    opacity: 0;
}

html[data-theme="dark"] .sun-icon {
    opacity: 0;
}

html[data-theme="dark"] .moon-icon {
    opacity: 1;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    backdrop-filter: blur(20px);
    background: rgba(15, 23, 42, 0.5);
    transition: var(--transition);
}

html[data-theme="dark"] .navbar {
    background: rgba(15, 20, 25, 0.8);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    cursor: pointer;
}

.logo-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-weight: 700;
    font-size: 16px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtext {
    font-weight: 600;
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-mid));
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-privacy {
    color: var(--accent-primary) !important;
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 120px 20px 100px;
    min-height: calc(100vh - 70px);
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 97, 255, 0.1));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(10deg); }
}

.hero-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 500px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    color: white;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 30px 60px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.btn-large {
    padding: 18px 48px;
    font-size: 16px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card {
    position: absolute;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
    background: rgba(248, 250, 252, 0.5);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

html[data-theme="dark"] .floating-card {
    background: rgba(26, 31, 46, 0.5);
}

.floating-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-primary);
}

.card-1 {
    width: 280px;
    left: 0;
    top: 0;
    animation: float 4s ease-in-out infinite;
}

.card-2 {
    width: 260px;
    right: 0;
    top: 40%;
    animation: float 5s ease-in-out infinite reverse;
}

.card-3 {
    width: 240px;
    left: 40px;
    bottom: 0;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    margin-bottom: 12px;
}

.card-text {
    display: flex;
    flex-direction: column;
}

.card-label {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 4px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-label {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-primary);
}

.progress-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.progress-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    width: 92%;
    height: 100%;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-mid));
    border-radius: 3px;
}

.progress-percent {
    font-size: 13px;
    color: var(--accent-primary);
    font-weight: 700;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 12px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Features Section */
.features {
    padding: 120px 20px;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    position: relative;
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-12px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 97, 255, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon {
    font-size: 32px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-badge {
    display: inline-block;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 97, 255, 0.1));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* How It Works */
.how-it-works {
    padding: 120px 20px;
    background: var(--bg-secondary);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.step-card {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.step-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.step-circle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    color: white;
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.step-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.step-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

.step-icon {
    font-size: 48px;
    animation: bounce 2s infinite;
}

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

.step-connector {
    position: absolute;
    top: 80px;
    left: -20px;
    right: -20px;
    height: 3px;
    background: linear-gradient(90deg, var(--border-color), var(--accent-primary), var(--border-color));
    display: none;
}

/* Testimonials */
.testimonials {
    padding: 120px 20px;
    background: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.stars {
    font-size: 18px;
    margin-bottom: 16px;
}

.testimonial-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    color: var(--text-tertiary);
    font-size: 13px;
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    padding: 120px 20px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(123, 97, 255, 0.05));
}

.cta-box {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 24px;
    padding: 80px 40px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1), transparent);
    border-radius: 50%;
}

.cta-icon {
    position: relative;
    z-index: 1;
    margin-bottom: 30px;
}

.cta-image {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.cta-box h2 {
    font-family: 'Playfair Display', serif;
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 12px;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.cta-box p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.cta-box .btn {
    position: relative;
    z-index: 1;
    margin-bottom: 40px;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.cta-feature {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 80px 20px 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.footer-section h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

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

.footer-email {
    color: var(--accent-primary);
    font-weight: 600;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 80px 20px 60px;
        gap: 60px;
    }

    .hero-content h1 {
        font-size: 42px;
    }

    .hero-visual {
        height: 300px;
    }

    .floating-card {
        position: static !important;
        animation: none !important;
    }

    .nav-links {
        gap: 20px;
        font-size: 13px;
    }

    .section-header h2 {
        font-size: 32px;
    }

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

    .step-connector {
        display: none !important;
    }

    .cta-box {
        padding: 50px 30px;
    }

    .cta-box h2 {
        font-size: 32px;
    }

    .controls-panel {
        gap: 8px;
    }

    .language-toggle {
        padding: 3px;
        gap: 2px;
    }

    .lang-btn {
        width: 36px;
        height: 36px;
        font-size: 12px;
    }

    .theme-toggle {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .nav-links {
        flex-direction: column;
        gap: 10px;
    }

    .controls-panel {
        top: 12px;
        right: 12px;
    }

    .theme-toggle {
        width: 42px;
        height: 42px;
    }

    .theme-toggle svg {
        width: 20px;
        height: 20px;
    }

    .lang-btn {
        width: 32px;
        height: 32px;
        font-size: 11px;
    }

    .lang-tooltip {
        display: none;
    }

    .feature-card {
        padding: 24px;
    }

    .features-grid {
        gap: 20px;
    }
}