@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --accent: #e63946;
    --accent-dark: #c1121f;
    --text: #1a1a1a;
    --text-secondary: #6b6b6b;
}

body {
    font-family: Inter, system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: 60px 24px;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    width: 100%;
    max-width: 1200px;
}

.hero-content {
    flex: 1;
    max-width: 550px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.4;
}

.hero-phone {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 280px;
    height: auto;
    border-radius: 40px;
    box-shadow: 0 25px 80px rgba(230, 57, 70, 0.2);
    border: 4px solid #e0e0e0;
}

.hero--compact {
    min-height: 40vh;
}

/* Buttons */
.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--accent);
    color: var(--bg-primary);
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.3);
}

.btn-download:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

/* Sections */
section {
    padding: 80px 0;
}

section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 16px;
}

/* About */
.about {
    background-color: var(--bg-secondary);
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.about-sub {
    margin-top: 16px !important;
    font-size: 1rem !important;
}

/* Features */
.features {
    background-color: var(--bg-primary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature {
    background-color: var(--bg-secondary);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(230, 57, 70, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature h3 {
    color: var(--accent);
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.feature p {
    color: var(--text-secondary);
}

/* Screenshots */
.screenshots {
    background-color: var(--bg-secondary);
}

.screenshots-sub {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.screenshot-carousel {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding: 20px 0 40px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) var(--bg-primary);
}

.screenshot-carousel::-webkit-scrollbar {
    height: 8px;
}

.screenshot-carousel::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.screenshot-carousel::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}

.screenshot-img {
    min-width: 220px;
    height: auto;
    border-radius: 24px;
    scroll-snap-align: start;
    border: 2px solid rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.screenshot-img:hover {
    transform: scale(1.05);
    border-color: var(--accent);
}

/* Download */
.download {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.download-sub {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    padding: 48px 0;
    text-align: center;
}

footer p {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Fade-in Animation */
.fade-initial {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .fade-in {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-phone {
        margin-top: 40px;
    }

    .phone-mockup {
        width: 220px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 40px 24px 60px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .tagline {
        font-size: 1.2rem;
    }

    section {
        padding: 60px 0;
    }

    section h2 {
        font-size: 2rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .screenshot-img {
        min-width: 180px;
    }
}