/* ================================================================
   LANDING PAGE , African-inspired design
   Graphic Designer (20yr): warm earth tones, breathing room,
   professional typography, compelling visual hierarchy
   ================================================================ */

/* --- Landing Page Base --- */
.landing-page {
    min-height: 100vh;
    background: var(--ui-bg-primary);
    color: var(--ui-text-primary);
    font-family: var(--font-ui);
    overflow-x: hidden;
}

/* --- Landing Nav --- */
.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 48px;
    position: sticky;
    top: 0;
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--ui-border);
}
:root[data-theme="light"] .landing-nav {
    background: rgba(253, 246, 232, 0.95);
    border-bottom: 1px solid var(--ui-border);
}

.landing-nav-logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-ochre);
    letter-spacing: 1px;
}

.landing-nav-logo span { color: var(--color-terracotta); }

.landing-nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.landing-nav-links a {
    color: var(--ui-text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.landing-nav-links a:hover { color: var(--ui-text-primary); }

.landing-cta-sm {
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--color-terracotta), var(--color-sunset-orange));
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s;
}

.landing-cta-sm:hover { transform: translateY(-1px); }

/* --- Hero Section --- */
.landing-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 48px 60px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 560px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(212, 160, 60, 0.15);
    border: 1px solid rgba(212, 160, 60, 0.3);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-ochre);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-narrative);
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--ui-text-primary);
}

.hero-highlight {
    background: linear-gradient(135deg, var(--color-terracotta), var(--color-sunset-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 17px;
    line-height: 1.7;
    color: var(--ui-text-secondary);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-cta {
    display: inline-block;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--color-terracotta), var(--color-sunset-orange));
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-align: center;
    width: fit-content;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(199, 91, 57, 0.4);
}

.hero-stats {
    display: flex;
    gap: 24px;
    font-size: 14px;
    color: var(--ui-text-muted);
}

.hero-stats strong {
    color: var(--color-ochre);
    font-size: 18px;
}

/* --- Hero Terminal Preview --- */
.hero-visual {
    flex: 1;
    max-width: 540px;
}

.hero-visual picture {
    display: block;
    margin: 0 auto 20px;
}

.hero-character {
    aspect-ratio: 1456 / 816;
    object-fit: cover;
}

.hero-terminal-preview {
    background: #0c0c0c;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: #1a1a1a;
    border-bottom: 1px solid #333;
    font-size: 12px;
    color: #666;
}

.preview-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.preview-dot.red { background: #ff5f57; }
.preview-dot.yellow { background: #febc2e; }
.preview-dot.green { background: #28c840; }

.preview-header span { margin-left: 8px; }

.preview-body {
    padding: 16px;
    font-family: var(--font-terminal);
    font-size: 13px;
    line-height: 1.6;
    color: #ccc;
    min-height: 180px;
}

.preview-line { white-space: pre; }
.preview-line .typed { color: #fff; }
.preview-line.dim { color: #666; }

.cursor {
    color: var(--term-green);
    animation: blink 1s step-end infinite;
}

/* --- Story Section --- */
.landing-story {
    padding: 60px 48px;
    max-width: 800px;
    margin: 0 auto;
}

.story-card {
    background: rgba(212, 160, 60, 0.08);
    border-left: 4px solid var(--color-ochre);
    border-radius: 0 12px 12px 0;
    padding: 32px 40px;
}

.story-quote {
    font-family: var(--font-narrative);
    font-size: 24px;
    font-style: italic;
    color: var(--color-ochre);
    margin-bottom: 16px;
    line-height: 1.4;
}

.story-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--ui-text-secondary);
}

/* --- Features Section --- */
.landing-features {
    padding: 80px 48px;
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-narrative);
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    color: var(--ui-text-primary);
}

.section-subtitle {
    font-size: 16px;
    text-align: center;
    color: var(--ui-text-muted);
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--ui-bg-panel);
    border: 1px solid var(--ui-border);
    border-radius: 12px;
    padding: 28px;
    transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-ochre);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--ui-text-primary);
}

.feature-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--ui-text-secondary);
}

/* --- Arcs Section --- */
.landing-arcs {
    padding: 80px 48px;
    max-width: 900px;
    margin: 0 auto;
}

.arcs-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 40px;
}

.arc-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 24px;
    background: var(--ui-bg-panel);
    border: 1px solid var(--ui-border);
    border-radius: 10px;
    transition: transform 0.2s, border-color 0.2s;
    cursor: default;
}

.arc-card:hover {
    transform: translateX(4px);
    border-color: var(--color-terracotta);
}

.arc-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-terracotta), var(--color-sunset-orange));
    border-radius: 8px;
    font-size: 18px;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
}

.arc-info h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--ui-text-primary);
    margin-bottom: 2px;
}

.arc-info span {
    font-size: 12px;
    color: var(--ui-text-muted);
}

/* --- CTA Section --- */
.landing-cta-section {
    padding: 80px 48px;
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, rgba(199, 91, 57, 0.08) 100%);
}

.landing-cta-section h2 {
    font-family: var(--font-narrative);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

.landing-cta-section p {
    font-size: 16px;
    color: var(--ui-text-secondary);
    margin-bottom: 32px;
}

/* --- Footer --- */
.landing-footer {
    padding: 40px 48px;
    border-top: 1px solid var(--ui-border);
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-ochre);
    margin-bottom: 8px;
}

.footer-logo span { color: var(--color-terracotta); }

.footer-copy {
    font-size: 13px;
    color: var(--ui-text-muted);
    margin-bottom: 4px;
}

.footer-tagline {
    font-family: var(--font-narrative);
    font-size: 14px;
    font-style: italic;
    color: var(--ui-text-muted);
}

/* --- Back Button --- */
.back-btn {
    background: none;
    border: 1px solid var(--ui-border);
    border-radius: 4px;
    color: var(--ui-text-secondary);
    font-size: 16px;
    padding: 4px 10px;
    cursor: pointer;
    transition: color 0.2s;
}

.back-btn:hover { color: var(--ui-text-primary); }

/* --- Dashboard Page --- */
.dashboard-page {
    min-height: 100vh;
    background: var(--ui-bg-primary);
    color: var(--ui-text-primary);
    padding: 24px 48px;
    max-width: 1100px;
    margin: 0 auto;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .landing-hero {
        flex-direction: column;
        padding: 32px 16px;
        text-align: center;
        gap: 24px;
    }
    .hero-title { font-size: 32px; line-height: 1.1; }
    .hero-subtitle { font-size: 15px; }
    .hero-visual { max-width: 100%; }
    .hero-stats { justify-content: center; gap: 12px; flex-wrap: wrap; }
    .hero-stat-number { font-size: 22px; }
    .hero-cta { width: 100%; }
    .landing-nav { padding: 10px 16px; }
    .landing-nav-links { gap: 8px; }
    .landing-nav-links a { display: none; }
    .landing-cta-sm { font-size: 12px; padding: 6px 12px; }
    .landing-features, .landing-arcs, .landing-story, .landing-cta-section {
        padding: 32px 16px;
    }
    .section-title { font-size: 24px; line-height: 1.2; }
    .section-subtitle { font-size: 14px; }
    .features-grid { grid-template-columns: 1fr; gap: 16px; }
    .arcs-grid { grid-template-columns: 1fr; gap: 12px; }
    .feature-card, .arc-card { padding: 16px; }
    .story-card { padding: 20px; }
    .story-quote { font-size: 16px; }
    .footer-content { padding: 24px 16px; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 26px; }
    .landing-nav-logo { font-size: 16px; }
    .section-title { font-size: 20px; }
    .arc-card .arc-num { font-size: 20px; min-width: 32px; }
    .arc-card h4 { font-size: 14px; }
    .arc-card span { font-size: 11px; }
}

/* ================================================================
   TRACKS GRID , landing-page certification cards
   ================================================================
   Replaces the old static "8 CCNA arcs" grid. Cards are rendered
   imperatively by renderLandingTracks() in js/app.js from the
   TRACKS_METADATA constant. Adding a new cert = one entry there,
   no CSS change needed (grid auto-flows).
   ================================================================ */
.landing-tracks {
    padding: 80px 32px;
    max-width: 1200px;
    margin: 0 auto;
}
.tracks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 40px;
}
.track-card {
    background: var(--ui-bg-panel, #161616);
    border: 1px solid var(--ui-border, #2a2a2a);
    border-radius: 12px;
    padding: 24px 20px 20px;
    position: relative;
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    display: flex;
    flex-direction: column;
}
.track-card[role="button"] {
    cursor: pointer;
}
.track-card[role="button"]:hover,
.track-card[role="button"]:focus-visible {
    transform: translateY(-2px);
    border-color: var(--ui-accent, #d4a03c);
    box-shadow: 0 8px 24px rgba(0,0,0,0.35);
    outline: none;
}
.track-card[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
}
.track-card.track-recommended {
    border-color: var(--ui-accent, #d4a03c);
    box-shadow: 0 0 0 1px var(--ui-accent, #d4a03c) inset;
}

/* Maturity + recommended badges in top-right corner */
.track-badges {
    position: absolute;
    top: 14px;
    right: 14px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    z-index: 1;
}
.track-badge {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: 999px;
    line-height: 1.2;
}
.track-badge--recommended {
    background: var(--ui-accent, #d4a03c);
    color: #1a1408;
}
.track-badge--stable {
    background: rgba(63,185,80,0.15);
    color: #3fb950;
    border: 1px solid rgba(63,185,80,0.4);
}
.track-badge--beta {
    background: rgba(212,160,60,0.12);
    color: var(--ui-accent, #d4a03c);
    border: 1px solid rgba(212,160,60,0.4);
}
.track-badge--coming {
    background: rgba(160,160,160,0.1);
    color: var(--ui-text-muted, #8a8275);
    border: 1px solid var(--ui-border, #2a2a2a);
}

.track-emoji {
    font-size: 32px;
    line-height: 1;
    margin-bottom: 12px;
}
.track-label {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 4px;
    color: var(--ui-text-primary, #f5f0e6);
}
.track-category {
    font-size: 12px;
    color: var(--ui-text-muted, #8a8275);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.track-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--ui-text-secondary, #c8c0b0);
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--ui-border, #2a2a2a);
}
.track-stats strong {
    color: var(--ui-accent, #d4a03c);
    font-size: 14px;
}
.track-stats--coming {
    border-bottom: 1px dashed var(--ui-border, #2a2a2a);
    color: var(--ui-text-muted, #8a8275);
    font-style: italic;
}
.track-description {
    font-size: 13px;
    line-height: 1.5;
    color: var(--ui-text-secondary, #c8c0b0);
    margin: 0 0 16px;
    flex-grow: 1;
}
/* Roadmap teaser strip below the grid */
.tracks-roadmap {
    margin-top: 32px;
    text-align: center;
    padding: 16px 24px;
    background: rgba(212,160,60,0.04);
    border: 1px dashed var(--ui-border, #2a2a2a);
    border-radius: 10px;
    font-size: 13px;
}
.tracks-roadmap-label {
    color: var(--ui-accent, #d4a03c);
    font-weight: 700;
    margin-right: 8px;
}
.tracks-roadmap-list {
    color: var(--ui-text-secondary, #c8c0b0);
}

/* Light theme: cards switch to cream-paper feel */
:root[data-theme="light"] .track-card {
    background: #ffffff;
    border-color: #e0d8c8;
}
:root[data-theme="light"] .track-card[role="button"]:hover,
:root[data-theme="light"] .track-card[role="button"]:focus-visible {
    box-shadow: 0 8px 24px rgba(199,91,57,0.15);
}
:root[data-theme="light"] .track-label { color: #2a1d0e; }
:root[data-theme="light"] .track-description,
:root[data-theme="light"] .track-stats { color: #5a4a30; }
:root[data-theme="light"] .tracks-roadmap {
    background: rgba(199,91,57,0.04);
    border-color: rgba(199,91,57,0.3);
}

/* Mobile: cards stack, badges tighten */
@media (max-width: 600px) {
    .landing-tracks { padding: 48px 16px; }
    .tracks-grid { grid-template-columns: 1fr; gap: 14px; }
    .track-card { padding: 20px 16px 16px; }
    .track-emoji { font-size: 28px; }
    .track-label { font-size: 16px; }
    .track-badges { top: 10px; right: 10px; }
    .track-badge { font-size: 9px; padding: 2px 6px; }
}