@font-face {
    font-family: 'Public Sans';
    src: url('fonts/public_sans_light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'Public Sans';
    src: url('fonts/public_sans_regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Public Sans';
    src: url('fonts/public_sans_medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Public Sans';
    src: url('fonts/public_sans_semibold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
}

@font-face {
    font-family: 'Public Sans';
    src: url('fonts/public_sans_bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Public Sans';
    src: url('fonts/public_sans_extra_bold.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
}

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

:root {
    --background: #131318;
    --surface: #1c1d22;
    --container: #26272d;
    --selectable: #383a42;
    --selectable-selected: #61636d;
    --primary-color: #0087A0;
    --primary-light: #66D4E5;
    --primary-dark: #004F5A;
    --text1: #e4e5e8;
    --text2: #dedfe3;
    --text3: #c7c8cd;
    --text4: #bcbdc2;
    --text5: #9597a2;
    --text6: #818490;
    --text7: #1E1F2A;
    --white: #FFFFFF;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
}

body {
    font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text1);
    background: var(--background);
    overflow-x: hidden;
}

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

.navbar {
    background: var(--surface);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--container);
}

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

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text2);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--text1);
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text2);
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--selectable);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--selectable);
    color: var(--text1);
    border-color: var(--selectable-selected);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--surface) 0%, var(--background) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text1);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text3);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.icon {
    width: 20px;
    height: 20px;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    color: var(--text1);
    margin-bottom: 0.25rem;
}

.stat p {
    color: var(--text4);
}

.hero-image {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.phone-mockup img {
    border-radius: 20px;
    max-width: 400px;
    height: auto;
    display: block;
    box-shadow: var(--shadow);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.features {
    padding: 5rem 0;
    background: var(--background);
}

.features h2,
.screenshots h2,
.testimonials h2,
.download h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text1);
}

.section-description {
    text-align: center;
    color: var(--text3);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

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

.feature-card {
    background: var(--container);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--selectable);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--selectable-selected);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text2);
}

.feature-card p {
    color: var(--text4);
    line-height: 1.6;
}

.screenshots {
    padding: 5rem 0;
    background: var(--surface);
}

.screenshot-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.screenshot {
    display: flex;
    justify-content: center;
}

.screenshot img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s;
    max-width: 200px;
    height: auto;
    width: 100%;
}

.screenshot img:hover {
    transform: scale(1.05);
}

.testimonials {
    padding: 5rem 0;
    background: var(--background);
}

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

.testimonial-card {
    background: var(--container);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--selectable);
}

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

.testimonial-card p {
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--text2);
    line-height: 1.8;
}

.testimonial-author {
    font-weight: 600;
    color: var(--text4);
}

.download {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text1);
    text-align: center;
}

.download h2 {
    color: var(--text1);
}

.download-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.google-play-button img {
    height: 60px;
    transition: transform 0.3s;
}

.google-play-button:hover img {
    transform: scale(1.05);
}

.download-note {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-top: 1rem;
}

.footer {
    background: var(--surface);
    color: var(--text2);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--container);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text3);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--text1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--selectable);
    color: var(--text5);
}

@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.875rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
        margin-bottom: 2rem;
    }
    
    .phone-mockup {
        transform: none;
    }
    
    .phone-mockup img {
        width: 200px;
        height: 400px;
    }
    
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    
    @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-10px); }
    }
}