/* Oche — Dark Theme Website Styles */

/* ── Reset & Base ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0a0a;
    --bg-surface: #111111;
    --bg-elevated: #1a1a1a;
    --border: #222222;
    --text-primary: #e0e0e0;
    --text-secondary: #888888;
    --text-muted: #555555;
    --accent-cyan: #00d9ff;
    --accent-cyan-dim: rgba(0, 217, 255, 0.15);
    --gradient-start: #f59e0b;
    --gradient-end: #ef4444;
    --success-green: #22c55e;
    --radius: 12px;
    --radius-sm: 8px;
    --max-width: 1080px;
}

html {
    scroll-behavior: smooth;
}

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

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.8;
}

img {
    max-width: 100%;
    height: auto;
}

/* ── Navigation ── */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(17, 17, 17, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-brand img {
    width: 32px;
    height: 32px;
    border-radius: 7px;
    background: var(--bg-surface);
    overflow: hidden;
    object-fit: cover;
}

.nav-brand span {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-cyan);
    opacity: 1;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

/* ── Hero ── */
.hero {
    text-align: center;
    padding: 80px 24px 60px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-icon {
    width: 120px;
    height: 120px;
    border-radius: 26px;
    margin-bottom: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    background: var(--bg-primary);
    overflow: hidden;
    object-fit: cover;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .tagline {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: inline-block;
    margin-bottom: 48px;
}

.hero-cta img {
    height: 48px;
}

.hero-screenshots {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-screenshots img {
    height: 580px;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* ── Section ── */
.section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 24px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 48px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* ── Features Grid ── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: block;
}

.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ── Pro Section ── */
.pro-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.pro-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 24px;
    text-align: center;
}

.pro-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #000;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.pro-inner h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.pro-inner p {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 520px;
    margin: 0 auto 24px;
}

.pro-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.pro-features span {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
}

.pro-features span::before {
    content: "✓ ";
    color: var(--success-green);
    font-weight: 700;
}

.cta-button {
    display: inline-block;
    background: var(--accent-cyan);
    color: #000;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 32px;
    border-radius: 10px;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.2s;
}

.cta-button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #000;
}

/* ── Footer ── */
.footer {
    border-top: 1px solid var(--border);
    padding: 32px 24px;
    text-align: center;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
}

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

.footer-copy {
    color: var(--text-muted);
    font-size: 13px;
}

/* ── Page Layout (Privacy, Support, Terms) ── */
.page {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.page h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.page .page-date {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 40px;
}

.page h2 {
    font-size: 20px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.page h3 {
    font-size: 16px;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 8px;
}

.page p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 15px;
    line-height: 1.7;
}

.page ul, .page ol {
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-left: 24px;
    font-size: 15px;
    line-height: 1.7;
}

.page li {
    margin-bottom: 6px;
}

.page strong {
    color: var(--text-primary);
}

/* ── FAQ ── */
.faq-item {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    text-align: left;
    padding: 16px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
}

.faq-question:hover {
    background: var(--bg-elevated);
}

.faq-question .arrow {
    color: var(--text-muted);
    font-size: 12px;
    transition: transform 0.2s;
}

.faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 20px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.faq-item.open .faq-answer {
    display: block;
}

/* ── Contact Card ── */
.contact-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    margin-top: 40px;
}

.contact-card h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

.contact-card p {
    margin-bottom: 16px;
}

.contact-card a.email-link {
    display: inline-block;
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: rgba(17, 17, 17, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 16px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .hero {
        padding: 48px 24px 40px;
    }

    .hero-icon {
        width: 88px;
        height: 88px;
        border-radius: 20px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero .tagline {
        font-size: 17px;
    }

    .hero-screenshots img {
        height: 440px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .section-title {
        font-size: 26px;
    }

    .pro-features {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .hero-screenshots img {
        height: 360px;
    }

    .hero-screenshots {
        gap: 12px;
    }
}