:root {
    --bg: #0d0b14;
    --surface: #1a1825;
    --card: #1e1c2e;
    --border: rgba(255,255,255,0.06);
    --text: #e0def4;
    --text-2: #a09dbc;
    --text-3: #6e6a86;
    --accent: #6e56cf;
    --accent-light: #a78bfa;
    --accent-soft: rgba(110,86,207,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Text', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

a { color: var(--accent-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Hero */
.hero {
    text-align: center;
    padding: 120px 24px 80px;
    background: radial-gradient(ellipse at 50% 0%, rgba(110,86,207,0.12) 0%, transparent 60%);
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: -2px;
    background: linear-gradient(135deg, #6e56cf, #a78bfa, #c4b5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.hero .tagline {
    font-size: 22px;
    color: var(--text);
    font-weight: 500;
    margin-bottom: 12px;
}

.hero .subtitle {
    font-size: 16px;
    color: var(--text-2);
    max-width: 560px;
    margin: 0 auto 36px;
}

.cta-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn.primary {
    background: var(--accent);
    color: #fff;
}

.btn.primary:hover {
    background: #5a44b5;
    box-shadow: 0 4px 20px rgba(110,86,207,0.4);
    text-decoration: none;
}

.btn.secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn.secondary:hover {
    background: var(--card);
    border-color: rgba(255,255,255,0.12);
    text-decoration: none;
}

.btn.sponsor {
    background: linear-gradient(135deg, #ea4aaa, #c026d3);
    color: #fff;
    border: none;
    padding: 14px 32px;
    font-size: 15px;
}

.btn.sponsor:hover {
    background: linear-gradient(135deg, #d63d99, #a21caf);
    box-shadow: 0 6px 24px rgba(234, 74, 170, 0.35);
    text-decoration: none;
    transform: translateY(-1px);
}

/* Features */
.features {
    max-width: 960px;
    margin: 0 auto;
    padding: 60px 24px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px 24px;
    transition: all 0.2s;
}

.feature-card:hover {
    border-color: rgba(110,86,207,0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.feature-icon {
    font-size: 28px;
    margin-bottom: 14px;
}

.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.5;
}

/* Details */
.details {
    max-width: 960px;
    margin: 0 auto;
    padding: 60px 24px;
    border-top: 1px solid var(--border);
}

.details h2 {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    letter-spacing: -0.5px;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.detail {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    border-radius: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
}

.detail strong {
    font-size: 14px;
    color: var(--text);
}

.detail span {
    font-size: 13px;
    color: var(--text-3);
}

/* Install */
.install {
    max-width: 600px;
    margin: 0 auto;
    padding: 60px 24px;
    text-align: center;
    border-top: 1px solid var(--border);
}

.install h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.install ol {
    text-align: left;
    display: inline-block;
    font-size: 15px;
    color: var(--text-2);
    padding-left: 24px;
    margin-bottom: 16px;
}

.install ol li {
    margin-bottom: 8px;
}

.install-note {
    font-size: 13px;
    color: var(--text-3);
    margin-top: 12px;
}

/* Sponsor */
.sponsor {
    text-align: center;
    padding: 80px 24px;
    background: radial-gradient(ellipse at 50% 100%, rgba(234,74,170,0.06) 0%, transparent 60%);
}

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

.sponsor p {
    font-size: 15px;
    color: var(--text-2);
    margin-bottom: 24px;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 24px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-3);
}

footer a { color: var(--text-2); }

/* Responsive */
@media (max-width: 600px) {
    .hero h1 { font-size: 40px; }
    .hero .tagline { font-size: 18px; }
    .hero { padding: 80px 20px 60px; }
    .feature-grid { grid-template-columns: 1fr; }
}

/* Panels showcase */
.panels-showcase {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    perspective: 1000px;
}

/* Feature sections with panels */
.feature-section {
    margin-bottom: 80px;
}

.feature-section-row {
    display: flex;
    gap: 48px;
    align-items: center;
}

.feature-section-row.reverse {
    flex-direction: row-reverse;
}

.feature-section-text {
    flex: 1;
}

.feature-section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-light);
    margin-bottom: 10px;
}

.feature-section-text h3 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
}

.feature-section-text p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
}

.feature-section-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Toast frame */
.toast-frame {
    background: #1e1e2e;
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
    font-size: 13px;
    color: #e0def4;
    width: 360px;
}

.toast-top {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
}

.toast-info {
    width: 16px; height: 16px; border-radius: 50%;
    background: #3794ff; color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 10px; font-weight: 700; flex-shrink: 0;
}

.toast-msg { flex: 1; font-size: 13px; }
.toast-icons { color: #6c7086; font-size: 13px; display: flex; gap: 8px; }

.toast-bottom {
    display: flex; align-items: center; gap: 10px;
    padding: 6px 10px 8px;
}

.toast-source { font-size: 12px; color: #6c7086; flex: 1; }
.toast-actions { display: flex; gap: 6px; }
.toast-btn { padding: 4px 12px; border-radius: 2px; font-size: 11px; border: 1px solid rgba(255,255,255,0.08); background: transparent; color: #cdd6f4; }
.toast-btn.primary { background: #6e56cf; border-color: #6e56cf; color: #fff; }

@media (max-width: 768px) {
    .feature-section-row,
    .feature-section-row.reverse {
        flex-direction: column;
        gap: 24px;
    }
    .panels-showcase { flex-direction: column; align-items: center; }
    .panels-showcase .panel-frame { transform: none !important; }
}

/* Hero logo */
.hero-logo {
    width: 120px;
    height: 120px;
    border-radius: 28px;
    margin-bottom: 24px;
    box-shadow: 0 12px 40px rgba(110, 86, 207, 0.35);
}

/* Sponsor cards */
.sponsor-extras {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-3);
}