:root {
    --bg: #F0EEE9;
    --bg-card: #FFFFFF;
    --text: #1A1A1A;
    --text-secondary: #555555;
    --accent: #2A5C6A;
    --accent-light: #3A7C8A;
    --border: #D4D0C8;
    --green: #4A7C59;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1A1A1A;
        --bg-card: #2A2A2A;
        --text: #E8E6E1;
        --text-secondary: #A0A0A0;
        --accent: #5AACBA;
        --accent-light: #7AC4D2;
        --border: #3A3A3A;
        --green: #7ABF8A;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero */
.hero {
    text-align: center;
    padding: 80px 24px 60px;
}

.hero-icon {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.hero .tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 32px;
}

.badge-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--green);
}

.cta-button {
    display: inline-block;
    background: var(--accent);
    color: #FFF;
    text-decoration: none;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 600;
    transition: background 0.2s;
}

.cta-button:hover {
    background: var(--accent-light);
}

/* Sections */
section {
    padding: 60px 0;
}

section h2 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 40px;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
}

.feature-card .icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Security */
.security {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    text-align: center;
}

.security-item .icon {
    font-size: 2.4rem;
    margin-bottom: 8px;
}

.security-item h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.security-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Screenshots */
.screenshots {
    text-align: center;
}

.screenshots-scroll {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 8px 0 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.screenshots-scroll::-webkit-scrollbar {
    height: 6px;
}

.screenshots-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.screenshots-scroll::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.screenshot-item {
    flex: 0 0 auto;
    scroll-snap-align: center;
    width: 220px;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.screenshot-item figcaption {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* CTA bottom */
.cta-bottom {
    text-align: center;
    padding: 60px 24px;
}

.cta-bottom p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 32px 24px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

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

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

footer .footer-links {
    margin-bottom: 8px;
}

footer .footer-links a {
    margin: 0 12px;
}

/* FAQ */
.faq {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item summary {
    padding: 20px 0;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--text-secondary);
    flex-shrink: 0;
    margin-left: 16px;
    transition: transform 0.2s;
}

.faq-item[open] summary::after {
    content: "\2212";
}

.faq-item p {
    padding: 0 0 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.8rem;
    }

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

    section h2 {
        font-size: 1.4rem;
    }

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

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