/* AURORA CW Decoder — cwaurora.com
   Light theme by default, dark via [data-theme="dark"] */

/* ─── Light theme (default) ─── */
:root {
    --bg: #f0f2f5;
    --surface: #ffffff;
    --primary: #e94560;
    --secondary: #eef2f7;
    --text: #1e1e2e;
    --text-dim: #6b7280;
    --accent: #0077b6;
    --border: #d1d5db;
    --card: #ffffff;
    --success: #4caf50;
    --header-bg: rgba(255, 255, 255, .92);
    --code-bg: #eef1f5;
    --shadow: 0 1px 4px rgba(0,0,0,.07);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    --max-w: 1200px;
    --radius: 12px;
}

/* ─── Dark theme ─── */
[data-theme="dark"] {
    --bg: #1a1a2e;
    --surface: #16213e;
    --secondary: #0f3460;
    --text: #eaeaea;
    --text-dim: #8892a4;
    --accent: #00d9ff;
    --border: #2a2a4a;
    --card: #1e2746;
    --header-bg: rgba(26, 26, 46, .92);
    --code-bg: #1a1a2e;
    --shadow: none;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary); }

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

/* ─── Container ─── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ─── Header / Nav ─── */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 3px;
}
.nav-logo span { color: var(--primary); }

.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
    color: var(--text-dim);
    font-size: .9rem;
    font-weight: 500;
    transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.lang-toggle,
.theme-toggle {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: .8rem;
    transition: border-color .2s;
}
.theme-toggle { font-size: 1rem; line-height: 1; padding: 3px 8px; }
.lang-toggle:hover,
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: .95rem;
    cursor: pointer;
    border: none;
    transition: transform .15s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(233, 69, 96, .35);
}
.btn-primary:hover { color: #fff; box-shadow: 0 6px 28px rgba(233, 69, 96, .5); }

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}
.btn-outline:hover { background: rgba(0, 119, 182, .08); color: var(--accent); }
[data-theme="dark"] .btn-outline:hover { background: rgba(0, 217, 255, .1); }

.btn-sm { padding: 6px 16px; font-size: .85rem; }

/* ─── Burger (mobile) ─── */
.burger { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* ─── Hero ─── */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(233, 69, 96, .1) 0%, transparent 60%);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: 6px;
    margin-bottom: 8px;
}
.hero h1 span { color: var(--primary); }

.hero-sub {
    font-size: 1.3rem;
    color: var(--text-dim);
    margin-bottom: 12px;
}

.hero-tagline {
    font-size: 1.05rem;
    color: var(--accent);
    margin-bottom: 36px;
    font-style: italic;
}

.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
}
.hero-stat { text-align: center; }
.hero-stat .num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}
.hero-stat .label {
    font-size: .8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ─── Section ─── */
.section {
    padding: 80px 0;
}
.section:nth-child(even) {
    background: var(--surface);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-desc {
    text-align: center;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 48px;
}

/* ─── Features Grid ─── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    box-shadow: var(--shadow);
    transition: border-color .2s, transform .2s;
}
.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

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

.feature-card p {
    color: var(--text-dim);
    font-size: .9rem;
}

/* ─── Pipeline ─── */
.pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    margin-top: 32px;
}

.pipeline-step {
    text-align: center;
    padding: 24px 20px;
    min-width: 160px;
}
.pipeline-step .icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 1.4rem;
    border: 2px solid var(--accent);
}
.pipeline-step h4 { font-size: .95rem; margin-bottom: 4px; }
.pipeline-step p { color: var(--text-dim); font-size: .8rem; }

.pipeline-arrow {
    font-size: 1.5rem;
    color: var(--accent);
    padding: 0 4px;
}

/* ─── Pricing ─── */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.price-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow);
    transition: border-color .2s, transform .2s;
}
.price-card:hover { transform: translateY(-4px); }
.price-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(233, 69, 96, .15);
}
.price-card.popular::before {
    content: 'POPULAR';
    position: absolute;
    top: -12px; left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    padding: 3px 14px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.price-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.price-card .price {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}
.price-card .period {
    font-size: .8rem;
    color: var(--text-dim);
    margin-bottom: 20px;
}

.price-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}
.price-card li {
    padding: 6px 0;
    font-size: .85rem;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}
.price-card li::before {
    content: '\2713';
    color: var(--success);
    margin-right: 8px;
    font-weight: 700;
}
.price-card li.no::before {
    content: '\2717';
    color: var(--border);
}
.price-card li.no { color: var(--border); }

/* ─── Plugins Preview ─── */
.plugins-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.plugin-cat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: border-color .2s;
}
.plugin-cat:hover { border-color: var(--accent); }
.plugin-cat .icon { font-size: 1.8rem; margin-bottom: 10px; }
.plugin-cat h4 { font-size: .95rem; margin-bottom: 4px; }
.plugin-cat p { font-size: .8rem; color: var(--text-dim); }

/* ─── Community ─── */
.badges-row {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.badge-item { text-align: center; }
.badge-item .icon {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    font-size: 1.5rem;
    border: 2px solid var(--border);
}
.badge-item .name { font-size: .85rem; font-weight: 600; }
.badge-item .desc { font-size: .75rem; color: var(--text-dim); }

/* ─── Download CTA ─── */
.download-cta {
    text-align: center;
    padding: 60px 0;
}
.download-cta h2 { font-size: 2rem; margin-bottom: 12px; }
.download-cta p { color: var(--text-dim); margin-bottom: 28px; }

.sys-req {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 28px;
    flex-wrap: wrap;
}
.sys-req span {
    font-size: .8rem;
    color: var(--text-dim);
    background: var(--surface);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

/* ─── Footer ─── */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 40px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-brand .logo {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-bottom: 8px;
}
.footer-brand .logo span { color: var(--primary); }
.footer-brand p { color: var(--text-dim); font-size: .85rem; }

.footer-col h4 {
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-bottom: 12px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-dim); font-size: .85rem; }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: .8rem;
}

/* ─── Page Header (subpages) ─── */
.page-header {
    padding: 120px 0 48px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(233, 69, 96, .08) 0%, transparent 60%);
}
.page-header h1 { font-size: 2.4rem; margin-bottom: 8px; }
.page-header p { color: var(--text-dim); }

/* ─── Content Card ─── */
.content-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}
.content-card h3 { margin-bottom: 12px; }
.content-card p { color: var(--text-dim); font-size: .9rem; }

/* code block */
.code-block {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 20px;
    font-family: var(--mono);
    font-size: .85rem;
    overflow-x: auto;
    margin: 16px 0;
    color: var(--accent);
}

/* ─── Responsive ─── */
@media (max-width: 960px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .plugins-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 2.5rem; }
}

@media (max-width: 640px) {
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .plugins-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2rem; letter-spacing: 3px; }
    .hero-stats { gap: 24px; }
    .pipeline { flex-direction: column; }
    .pipeline-arrow { transform: rotate(90deg); }
    .nav-links { display: none; }
    .burger { display: block; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px; left: 0; right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
        gap: 12px;
    }
}