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

:root {
    --primary: #EAEAEA;
    --on-primary: #CCCCCC;
    --primary-container: #242424;
    --on-primary-container: #D2E4FF;
    --inverse-primary: #38608E;
    --secondary: #330000;
    --on-secondary: #550000;
    --secondary-container: #880000;
    --tertiary-container: #BF0000;
    --on-secondary-container: #FBE3E2;
    --tertiary: #808080;
    --on-tertiary: #555555;
    --background: #1A1A1A;
    --surface: #320A17;
    --surface-container: #1D2024;
    --surface-container-highest: #32353A;
    --outline: #242424;
    --outline-variant: #1D2024;
    --error: #FFB4AB;
    --on-background: #FFFFFF;
    --on-surface: #FFFFFF;
    --on-surface-variant: #C3C6CF;
    --on-error: #690005;
    --error-container: #93000A;
    --on-error-container: #FFDAD6;
    
    --gradient-primary: linear-gradient(135deg, #BF0000 0%, #880000 100%);
    --gradient-secondary: linear-gradient(135deg, #330000 0%, #550000 100%);
    --gradient-hero: linear-gradient(135deg, #1A1A1A 0%, #242424 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6);
}

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(29, 32, 36, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--outline);
    z-index: 1000;
    padding: 1rem 0;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spinner {
    animation: spin 1s linear infinite;
}

.cta-button {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.cta-button.primary {
    background: var(--gradient-primary);
    color: var(--on-secondary-container);
    box-shadow: var(--shadow-md);
}

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

.cta-button.secondary {
    background: var(--surface-container);
    color: var(--primary);
    border: 2px solid var(--outline-variant);
}

.cta-button.secondary:hover {
    background: var(--surface-container-highest);
    border-color: var(--tertiary);
}

.cta-button.large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.nav-cta {
    background: var(--tertiary-container);
    color: var(--on-secondary-container);
}

.nav-cta:hover {
    background: var(--secondary-container);
}

.hero {
    padding: 120px 0 80px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(191, 0, 0, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(180deg);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--primary);
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: brightness(1.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--on-surface-variant);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.google-play-icon {
    display: inline-block;
    vertical-align: middle;
    width: 22px;
    height: 22px;
    animation: bounce 2s infinite;
}

.apple-icon {
    display: inline-block;
    vertical-align: middle;
    width: 22px;
    height: 22px;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}

.arrow-icon {
    animation: arrowBounce 2s infinite;
}

@keyframes arrowBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(3px);
    }
}

.hero-stats {
    display: flex;
    gap: 3rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tertiary-container);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--on-surface-variant);
}

.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.app-screens {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    position: relative;
    perspective: 1000px;
}

.app-screen {
    border-radius: 20px;
    box-shadow: var(--shadow-xl), 0 0 60px rgba(191, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.app-screen.primary {
    width: 260px;
    height: auto;
    transform: perspective(1000px) rotateY(-8deg);
    animation: phoneFloat 4s ease-in-out infinite;
    z-index: 3;
}

.app-screen.secondary {
    width: 220px;
    height: auto;
    transform: perspective(1000px) rotateY(0deg) translateX(-20px);
    opacity: 0.9;
    animation: phoneFloat 4s ease-in-out infinite 0.3s;
    z-index: 2;
}

.app-screen.tertiary {
    width: 200px;
    height: auto;
    transform: perspective(1000px) rotateY(8deg) translateX(-40px);
    opacity: 0.8;
    animation: phoneFloat 4s ease-in-out infinite 0.6s;
    z-index: 1;
}

.app-screen:hover {
    transform: scale(1.05) rotateY(0deg) !important;
    opacity: 1 !important;
    z-index: 4;
}

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


.problem-section {
    padding: 80px 0;
    background: var(--surface-container);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    color: var(--primary);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: var(--surface-container-highest);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.problem-card p {
    color: var(--on-surface-variant);
}

.features {
    padding: 80px 0;
    background: var(--background);
}

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

.feature-card {
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--outline-variant);
    background: var(--surface-container);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--tertiary-container);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    background: var(--surface-container-highest);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.feature-card p {
    color: var(--on-surface-variant);
    line-height: 1.6;
}

.how-it-works {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-container) 100%);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

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

.step p {
    color: var(--on-surface-variant);
}

.step-arrow {
    font-size: 2rem;
    color: var(--tertiary-container);
    animation: slideArrow 2s ease-in-out infinite;
}

@keyframes slideArrow {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(5px);
    }
}

.testimonials {
    padding: 80px 0;
    background: var(--background);
}

.testimonials-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 60px;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
}

.carousel-track {
    position: relative;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-slide {
    position: absolute;
    width: 100%;
    padding: 3rem;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.5s ease;
    text-align: center;
}

.testimonial-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--tertiary-container);
    color: var(--on-secondary-container);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--secondary-container);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: 0;
}

.carousel-btn.next {
    right: 0;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--outline);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--tertiary-container);
    width: 30px;
    border-radius: 5px;
}

.stars {
    color: var(--tertiary-container);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.testimonial-slide p {
    color: var(--on-surface);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
    font-size: 1.1rem;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    align-items: center;
}

.testimonial-author strong {
    color: var(--primary);
}

.testimonial-author span {
    color: var(--on-surface-variant);
    font-size: 0.875rem;
}

.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: var(--on-secondary-container);
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.cta-section .cta-button.primary {
    background: var(--on-secondary-container);
    color: var(--secondary-container);
}

.cta-section .cta-button.primary:hover {
    background: var(--primary);
    color: var(--secondary);
}

.cta-note {
    font-size: 0.875rem;
    opacity: 0.9;
}

.footer {
    background: var(--surface);
    color: var(--on-surface);
    padding: 60px 0 20px;
    border-top: 1px solid var(--outline);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--on-surface-variant);
    margin-top: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.footer-links a {
    color: var(--on-surface-variant);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--outline-variant);
    text-align: center;
    color: var(--tertiary);
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .app-screens {
        flex-direction: column;
        gap: -30px;
    }
    
    .app-screen.primary {
        width: 240px;
        transform: none;
    }
    
    .app-screen.secondary {
        width: 200px;
        transform: none;
        margin-top: -40px;
    }
    
    .app-screen.tertiary {
        width: 180px;
        transform: none;
        margin-top: -40px;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-carousel {
        padding: 0 20px;
    }
    
    .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }
    
    .testimonial-slide {
        padding: 2rem 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}



@media (max-width: 768px) {
    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
}