:root {
    --bg-dark: #0A0A0F;
    --bg-darker: #050508;
    --bg-card: #1A1A24;
    --bg-light: #F5F3EF;
    --bg-cream: #FAF8F4;
    
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0B8;
    --text-dark: #1A1A24;
    
    --accent-blue: #3B82F6;
    --accent-purple: #A855F7;
    --accent-emerald: #10B981;
    --accent-gold: #F59E0B;
    
    --glow-blue: rgba(59, 130, 246, 0.3);
    --glow-purple: rgba(168, 85, 247, 0.3);
    
    --border-subtle: rgba(255, 255, 255, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.7);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

* {
    box-sizing: border-box;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
    box-sizing: border-box;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.logo img {
    width: 42px;
    height: 42px;
    filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.5));
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-desktop {
    display: none;
    gap: 32px;
}

.nav-desktop a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 20px var(--glow-blue);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--glow-purple);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
    border-radius: 16px;
}

.btn-header {
    padding: 8px 20px;
    font-size: 14px;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(30px);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-content {
    padding: 24px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mobile-menu-close {
    align-self: flex-end;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 48px;
    cursor: pointer;
    line-height: 1;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 48px;
}

.mobile-nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 24px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.mobile-nav a:hover {
    color: var(--accent-blue);
}

/* Hero Section */
.hero {
    padding: 80px 0 60px;
    background: radial-gradient(ellipse at top, rgba(59, 130, 246, 0.15), transparent 60%);
    position: relative;
    overflow: hidden;
}

.hero-bg-logo {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 50%;
    height: 120%;
    opacity: 0.05;
    pointer-events: none;
    z-index: 0;
}

.hero-bg-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: blur(40px);
}

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

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 48px;
    align-items: center;
    text-align: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, #FFFFFF, var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 16px auto 32px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
}

.hero-phone {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.phone-mockup {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.phone-mockup img {
    width: 100%;
    display: block;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
    width: 100%;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 8px;
}

/* Social Proof */
.social-proof {
    padding: 80px 0;
    background: var(--bg-darker);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.proof-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
}

.proof-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.proof-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
}

.proof-text {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 8px;
}

/* Section Styles */
.section-title {
    font-size: 40px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 64px;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: var(--bg-light);
    color: var(--text-dark);
}

.how-it-works .section-title,
.how-it-works .section-subtitle {
    color: var(--text-dark);
}

.steps-grid {
    display: grid;
    gap: 32px;
}

.step {
    background: white;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.step-icon {
    font-size: 64px;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 16px rgba(59, 130, 246, 0.3));
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-text {
    color: #6B7280;
    line-height: 1.7;
}

/* Features Grid */
.features {
    padding: 100px 0;
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 24px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    box-shadow: 0 8px 30px var(--glow-blue);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.feature-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

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

/* Showcase Sections */
.showcase {
    padding: 100px 0;
}

.showcase-dark {
    background: var(--bg-darker);
}

.showcase-light {
    background: var(--bg-light);
    color: var(--text-dark);
}

.showcase-light .showcase-title {
    color: var(--text-dark);
}

.showcase-light .showcase-subtitle,
.showcase-light .showcase-list li {
    color: #6B7280;
}

.showcase-content {
    display: flex;
    flex-direction: column;
    gap: 48px;
    align-items: center;
}

.showcase-phone {
    width: 100%;
    max-width: 350px;
}

.showcase-phone img {
    width: 100%;
    border-radius: 32px;
    box-shadow: var(--shadow-xl);
}

.showcase-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.showcase-subtitle {
    font-size: 18px;
    margin-bottom: 24px;
}

.showcase-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.showcase-list li {
    padding-left: 32px;
    position: relative;
    color: var(--text-secondary);
}

.showcase-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-emerald);
    font-weight: 700;
    font-size: 20px;
}

.compliance-note {
    margin-top: 24px;
    font-size: 12px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Streaks */
.streaks {
    padding: 100px 0;
    background: var(--bg-dark);
}

.streaks-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.streak-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
}

.streak-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.streak-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.streak-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: var(--bg-darker);
}

.testimonials-scroll {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 24px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-blue) var(--bg-card);
}

.testimonials-scroll::-webkit-scrollbar {
    height: 8px;
}

.testimonials-scroll::-webkit-scrollbar-track {
    background: var(--bg-card);
    border-radius: 4px;
}

.testimonials-scroll::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 4px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 32px;
    min-width: 300px;
    flex-shrink: 0;
}

.testimonial-stars {
    font-size: 20px;
    margin-bottom: 16px;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.testimonial-name {
    font-weight: 600;
}

/* FAQ */
.faq {
    padding: 100px 0;
    background: var(--bg-dark);
}

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

.faq-item {
    border-bottom: 1px solid var(--border-subtle);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
}

.faq-icon {
    font-size: 24px;
    transition: transform 0.3s ease;
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
    padding-bottom: 24px;
}

/* Final CTA */
.final-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-darker) 0%, #1A1A3E 100%);
}

.final-cta-content {
    display: flex;
    flex-direction: column;
    gap: 48px;
    align-items: center;
    text-align: center;
}

.final-cta-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.final-cta-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.final-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.final-cta-phone {
    width: 100%;
    max-width: 350px;
}

.final-cta-phone img {
    width: 100%;
    border-radius: 32px;
    box-shadow: var(--shadow-xl);
}

/* Footer */
.footer {
    background: var(--bg-darker);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-subtle);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    margin-bottom: 64px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

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

.footer-section li {
    margin-bottom: 12px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0;
    border-top: 1px solid var(--border-subtle);
}

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

.footer-logo img {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 0 6px rgba(168, 85, 247, 0.4));
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 20px;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: var(--text-primary);
}

.footer-copyright {
    text-align: center;
    padding-top: 32px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Desktop Styles */
@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
    
    .nav-desktop {
        display: flex;
    }
    
    .hero-title {
        font-size: 72px;
    }
    
    .hero-content {
        flex-direction: row;
        text-align: left;
    }
    
    .hero-text {
        flex: 1;
    }
    
    .hero-subtitle {
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero-cta {
        flex-direction: row;
        width: auto;
    }
    
    .proof-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .showcase-content {
        flex-direction: row;
        text-align: left;
    }
    
    .showcase-reverse {
        flex-direction: row-reverse;
    }
    
    .showcase-text {
        flex: 1;
    }
    
    .streaks-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .final-cta-content {
        flex-direction: row;
        text-align: left;
    }
    
    .final-cta-buttons {
        flex-direction: row;
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 48px;
    }
    
    .hero-title {
        font-size: 80px;
    }
    
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}