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

:root {
    --color-bg: #0a0a0a;
    --color-surface: #141414;
    --color-text: #f0f0f0;
    --color-muted: #888;
    --color-accent: #4ecdc4;
    --color-accent-hover: #3dbdb5;
    --max-width: 900px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.5rem 2rem;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    text-align: center;
    padding: 6rem 2rem 4rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1.2rem;
}

.tagline {
    font-size: 1.25rem;
    color: var(--color-muted);
    max-width: 500px;
    margin: 0 auto 2.5rem;
    line-height: 1.5;
}

.coming-soon {
    display: inline-block;
    padding: 0.75rem 2rem;
    border: 1px solid #333;
    border-radius: 10px;
    color: var(--color-muted);
    font-size: 1rem;
    letter-spacing: 0.02em;
}

/* Screenshots */
.screenshots {
    padding: 4rem 0;
    text-align: center;
}

.screenshots h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 2.5rem;
}

.screenshot-scroll {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding: 0 2rem 1.5rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.screenshot-scroll::-webkit-scrollbar {
    display: none;
}

.screenshot {
    flex: 0 0 auto;
    scroll-snap-align: center;
    text-align: center;
}

.screenshot img {
    width: 220px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.screenshot-label {
    display: block;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--color-muted);
}

/* Features */
.features {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 2rem;
}

.features h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 2.5rem;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.feature {
    background: var(--color-surface);
    border-radius: 12px;
    padding: 2rem;
}

.feature h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-accent);
}

.feature p {
    color: var(--color-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Privacy */
.privacy {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 2rem;
}

.privacy h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.privacy p {
    color: var(--color-muted);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.privacy ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.privacy li {
    color: var(--color-muted);
    font-size: 0.95rem;
    padding: 0.5rem 0;
    padding-left: 1.2rem;
    position: relative;
}

.privacy li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

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

.privacy a:hover {
    text-decoration: underline;
}

.privacy-date {
    font-size: 0.85rem;
    color: #555;
    margin-top: 1rem;
}

/* Support */
.support {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 2rem;
}

.support h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.support p {
    color: var(--color-muted);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

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

.support a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 2rem;
    border-top: 1px solid #222;
    text-align: center;
}

footer p {
    color: #555;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #555;
    text-decoration: none;
    font-size: 0.85rem;
}

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

/* Responsive */
@media (max-width: 640px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .tagline {
        font-size: 1.05rem;
    }

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

    .nav-links {
        gap: 1.2rem;
    }

    .screenshot img {
        width: 180px;
    }
}