/* ==========================================================================
   PanelProbe — Landing Page Styles
   Requires assets/css/base.css (tokens, fonts, reset).
   ========================================================================== */

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.table-scroll {
    overflow-x: auto;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 68px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-title {
    display: flex;
    align-items: center;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.015em;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    color: var(--text-secondary);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--bg-surface-hover);
    border-color: var(--border-medium);
}

.btn-launch-nav {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 38px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    color: var(--bg-base);
    background: var(--text-primary);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-launch-nav:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px var(--accent-cyan-glow);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero-section {
    padding: 72px 0 64px;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    padding: 6px 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--accent-cyan);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 8px var(--accent-cyan);
}

.hero-title {
    max-width: 900px;
    margin-bottom: 20px;
    font-size: clamp(34px, 5.4vw, 58px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    max-width: 700px;
    margin-bottom: 36px;
    font-size: clamp(15px, 2vw, 18px);
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-bottom: 56px;
}

.btn-primary-hero,
.btn-secondary-hero {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 12px 24px;
    font-size: 14.5px;
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-primary-hero {
    color: var(--on-accent);
    background: var(--accent-cyan);
    box-shadow: 0 4px 20px var(--accent-cyan-glow);
}

.btn-primary-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px var(--accent-cyan-glow);
}

.btn-secondary-hero {
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
}

.btn-secondary-hero:hover {
    background: var(--bg-surface-hover);
}

.btn-block {
    width: 100%;
}

.hero-telemetry-panel {
    width: 100%;
    max-width: 820px;
    padding: 24px 28px;
    text-align: left;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-elevated);
}

.telemetry-panel-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-subtle);
}

.panel-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.live-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent-emerald);
}

.live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-emerald);
    animation: pulse 2s infinite;
}

.telemetry-specs-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.telemetry-spec-tile {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
    padding: 14px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.spec-tile-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.spec-tile-value {
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.spec-tile-value.cyan {
    color: var(--accent-cyan);
}

.telemetry-panel-footer {
    margin-top: 14px;
    font-size: 12px;
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Sections & Cards
   -------------------------------------------------------------------------- */
.section {
    padding: 80px 0;
    border-top: 1px solid var(--border-subtle);
}

.section-head {
    max-width: 680px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-kicker {
    margin-bottom: 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-cyan);
}

.section-title {
    margin-bottom: 14px;
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.section-desc {
    font-size: 15px;
    color: var(--text-secondary);
}

.capabilities-grid,
.test-catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
    gap: 20px;
}

.cap-card,
.catalog-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 28px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.cap-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-highlight);
}

.catalog-card-accent {
    border-color: var(--border-highlight);
    background: var(--accent-cyan-soft);
}

.cap-icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--accent-cyan);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.cap-icon-box.purple { color: var(--accent-purple); }
.cap-icon-box.emerald { color: var(--accent-emerald); }

.cap-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.cap-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.cap-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
}

.cap-tag {
    padding: 3px 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
}

.test-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    list-style: none;
    font-size: 14px;
    color: var(--text-secondary);
}

.test-list li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.test-list kbd + kbd {
    margin-left: -6px;
}

/* --------------------------------------------------------------------------
   Checklist
   -------------------------------------------------------------------------- */
.panel-checklist-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    padding: 36px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.checklist-left,
.checklist-right {
    min-width: 0;
}

.checklist-left h3 {
    margin-bottom: 20px;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.015em;
}

.checklist-items {
    display: flex;
    flex-direction: column;
    gap: 18px;
    list-style: none;
}

.check-step {
    display: flex;
    gap: 14px;
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-cyan);
    background: var(--accent-cyan-soft);
    border-radius: 50%;
}

.step-content h4 {
    margin-bottom: 3px;
    font-size: 14.5px;
    font-weight: 700;
}

.step-content p {
    font-size: 13.5px;
    color: var(--text-secondary);
}

.comparison-box {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.comparison-title {
    font-size: 15px;
    font-weight: 700;
}

.panel-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
}

.panel-table th,
.panel-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
}

.panel-table thead th {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-muted);
}

.panel-table tbody th {
    font-weight: 600;
    color: var(--text-primary);
}

.panel-table td {
    color: var(--text-secondary);
}

.panel-table tr:last-child th,
.panel-table tr:last-child td {
    border-bottom: none;
}

/* --------------------------------------------------------------------------
   Report Banner, FAQ & Footer
   -------------------------------------------------------------------------- */
.report-preview-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 40px;
    background: linear-gradient(135deg, var(--accent-cyan-soft) 0%, var(--accent-purple-soft) 100%);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
}

.report-text h2 {
    margin-bottom: 10px;
    font-size: 24px;
    font-weight: 800;
}

.report-text p {
    max-width: 620px;
    font-size: 14.5px;
    color: var(--text-secondary);
}

.report-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 12px 22px;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    color: var(--bg-base);
    background: var(--text-primary);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.report-cta:hover {
    transform: translateY(-2px);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr));
    gap: 20px;
}

.faq-card {
    padding: 22px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.faq-q {
    margin-bottom: 8px;
    font-size: 15px;
    font-weight: 700;
}

.faq-a {
    font-size: 13.5px;
    color: var(--text-secondary);
}

.site-footer {
    padding: 40px 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-link {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .telemetry-specs-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .panel-checklist-wrap {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .report-preview-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: 28px;
    }
}

@media (max-width: 560px) {
    .container {
        padding: 0 16px;
    }

    .nav-actions a.btn-icon {
        display: none;
    }

    .nav-actions {
        gap: 8px;
    }

    .btn-launch-nav {
        padding: 8px 14px;
    }

    .panel-checklist-wrap {
        padding: 18px;
    }

    .hero-section {
        padding: 48px 0;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary-hero,
    .btn-secondary-hero {
        width: 100%;
    }

    .hero-telemetry-panel {
        padding: 18px;
    }

    .section {
        padding: 56px 0;
    }

    .cap-card,
    .catalog-card {
        padding: 22px;
    }
}

@media (pointer: coarse) {
    .btn-icon {
        width: 44px;
        height: 44px;
    }

    .btn-launch-nav {
        min-height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .cap-card:hover,
    .btn-primary-hero:hover,
    .btn-launch-nav:hover,
    .report-cta:hover {
        transform: none;
    }
}