:root {
    --primary: #4fecdc;
    --primary-dark: #2abdb0;
    --secondary: #ec4f87;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-accent: linear-gradient(90deg, #4fecdc 0%, #4f87ec 100%);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    padding: 2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.8);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

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

.lang-selector {
    display: flex;
    align-items: center;
}

#language-select {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s ease;
}

#language-select:focus {
    border-color: var(--primary);
}

#language-select option {
    background: var(--bg-card);
    color: var(--text-main);
}

.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-direction: column;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--primary);
    filter: blur(150px);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.2;
    top: 20%;
    right: 20%;
}

.hero::after {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    background: var(--secondary);
    filter: blur(150px);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.2;
    bottom: 20%;
    left: 20%;
}

h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 3rem;
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    margin-bottom: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.screenshots {
    padding: 2rem 0 5rem;
    overflow-x: auto;
    width: 100%;
    scrollbar-width: none;
    /* Firefox */
}

.screenshots::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari, Edge */
}

.screenshot-container {
    display: flex;
    gap: 2rem;
    padding: 0 5%;
    width: max-content;
    margin: 0 auto;
}

.screenshot {
    height: 500px;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 4px solid #1e293b;
    transition: transform 0.3s ease;
}

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

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary);
    color: var(--bg-dark);
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px var(--primary);
    background: var(--primary-dark);
}

.features {
    padding: 5rem 5%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(79, 236, 220, 0.3);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

footer {
    padding: 4rem 5%;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Privacy Policy Specific */
.policy-container {
    max-width: 800px;
    margin: 4rem auto;
    padding: 0 5%;
}

.policy-content {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.policy-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.policy-content p,
.policy-content ul {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.policy-content ul {
    padding-left: 1.5rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1rem;
    }
}