/* ============================================
   Nored Farms - Classroom Portal Styles
   Seed.com Design System — Deep Iron dark palette
   ============================================ */

/* ============================================
   Classroom Hero Section
   ============================================ */

.classroom-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--spacing-3xl)) var(--container-padding) var(--spacing-3xl);
    text-align: center;
    overflow: hidden;
}

.classroom-hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color--foamwhite) 0%, var(--color--snowwhite) 50%, var(--color--foamwhite) 100%);
    z-index: 0;
}

.hero-gradient-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center top, rgba(80, 232, 192, 0.04) 0%, transparent 60%);
}

/* Particle field */
.particle-field {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color--seedgreen);
    border-radius: 50%;
    opacity: 0.3;
    animation: floatParticle 10s ease-in-out infinite;
}

@keyframes floatParticle {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.15;
    }
    50% {
        transform: translateY(-30px) translateX(10px);
        opacity: 0.4;
    }
}

.classroom-hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.classroom-title {
    font-family: var(--font-sans);
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--color--seedgreen);
    letter-spacing: -0.5px;
}

.text-gradient-gold {
    background: linear-gradient(135deg, var(--color--mossroot) 0%, var(--color-guidance-fluorescent-green) 50%, var(--color--mossroot) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.classroom-subtitle {
    font-size: var(--text-lg);
    font-weight: 350;
    color: var(--color--olivegreen);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

/* Hero Quick Navigation */
.hero-quick-nav {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.quick-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--color--seedgreen);
    color: var(--color--snowwhite);
    border-radius: var(--bdrs-pill);
    text-decoration: none;
    font-weight: 350;
    font-size: 14px;
    transition: background 0.2s ease;
    border: none;
}

.quick-nav-btn svg {
    width: 18px;
    height: 18px;
}

.quick-nav-btn:hover {
    background: var(--color--seedgreen-hover);
}

.quick-nav-btn-secondary {
    background: transparent;
    color: var(--color--seedgreen);
    border: 1px solid var(--color--seedgreen);
}

.quick-nav-btn-secondary:hover {
    background: var(--color--seedgreen);
    color: var(--color--snowwhite);
}

/* ============================================
   Classroom Hubs Section
   ============================================ */

.classroom-hubs {
    padding: var(--spacing-4xl) 0;
    background: var(--color--snowwhite);
}

.hub-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (max-width: 900px) {
    .hub-grid { grid-template-columns: 1fr; }
}

.hub-card {
    background: var(--color--snowwhite);
    border: 1px solid rgba(80, 232, 192, 0.05);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}

.hub-card:hover {
    border-color: var(--color--seedgreen);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.hub-visual {
    padding: 2rem 2rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    background: var(--color--foamwhite);
    border-bottom: 1px solid rgba(80, 232, 192, 0.04);
}

.hub-illustration {
    width: 100%;
    max-width: 240px;
    height: auto;
    color: var(--color--seedgreen);
}

.hub-content {
    padding: 1.5rem 2rem 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.hub-number {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color--mossroot);
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.hub-title {
    font-family: var(--font-sans);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color--seedgreen);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.hub-description {
    color: var(--color--olivegreen);
    font-size: var(--text-sm);
    font-weight: 350;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.hub-topics {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hub-topics li {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.625rem;
    background: rgba(80, 232, 192, 0.05);
    color: var(--color--seedgreen);
    border-radius: var(--bdrs-pill);
}

.hub-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: auto;
    flex-wrap: wrap;
}

.hub-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: var(--bdrs-pill);
    font-size: 14px;
    font-weight: 350;
    text-decoration: none;
    transition: background 0.2s ease;
}

.hub-btn svg { width: 16px; height: 16px; }

.hub-btn-primary {
    background: var(--color--seedgreen);
    color: var(--color--snowwhite);
}
.hub-btn-primary:hover { background: var(--color--seedgreen-hover); }

.hub-btn-secondary {
    background: transparent;
    color: var(--color--seedgreen);
    border: 1px solid rgba(80, 232, 192, 0.12);
}
.hub-btn-secondary:hover {
    border-color: var(--color--seedgreen);
    background: rgba(80, 232, 192, 0.04);
}

/* Hub card theme accents — Deep Iron tints */
.hub-infrastructure .hub-visual { background: linear-gradient(135deg, var(--color--foamwhite) 0%, rgba(80, 232, 192, 0.04) 100%); }
.hub-growing .hub-visual { background: linear-gradient(135deg, var(--color--foamwhite) 0%, rgba(80, 232, 192, 0.06) 100%); }
.hub-extraction .hub-visual { background: linear-gradient(135deg, var(--color--foamwhite) 0%, rgba(80, 232, 192, 0.05) 100%); }
.hub-effects .hub-visual { background: linear-gradient(135deg, var(--color--foamwhite) 0%, rgba(80, 232, 192, 0.08) 100%); }

/* ============================================
   Learning Tracks Section
   ============================================ */

.learning-tracks {
    padding: var(--spacing-4xl) 0;
    background: var(--color--snowwhite);
}

.tracks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.track-card {
    background: var(--color--snowwhite);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    border: 1px solid rgba(80, 232, 192, 0.05);
    transition: all 0.25s ease;
}

.track-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--color--seedgreen);
}

.track-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.track-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color--seedgreen);
    border-radius: var(--radius-lg);
    color: var(--color--snowwhite);
}

.track-icon svg {
    width: 24px;
    height: 24px;
}

.track-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.track-label {
    font-size: var(--text-xs);
    color: var(--color--seedgreen);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.track-count {
    font-size: var(--text-xs);
    color: var(--color--olivegreen);
}

.track-title {
    font-family: var(--font-sans);
    font-size: var(--text-xl);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color--seedgreen);
}

.track-description {
    font-size: var(--text-sm);
    font-weight: 350;
    color: var(--color--olivegreen);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.track-articles {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    border-top: 1px solid rgba(80, 232, 192, 0.05);
    padding-top: var(--spacing-md);
}

.track-article {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color--foamwhite);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
}

.track-article:hover {
    background: rgba(80, 232, 192, 0.05);
    transform: translateX(4px);
}

.track-article .article-badge {
    font-size: 10px;
    font-weight: 500;
    color: var(--color--seedgreen);
    background: var(--color--lemongrass);
    padding: 2px 8px;
    border-radius: var(--bdrs-pill);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.track-article .article-title {
    font-size: var(--text-sm);
    color: var(--color--seedgreen);
    font-weight: 500;
    flex-grow: 1;
}

.track-article .article-time {
    font-size: var(--text-xs);
    color: var(--color--olivegreen);
    flex-shrink: 0;
}

/* Track theme variations — seed green spectrum */
.track-kanna .track-icon {
    background: var(--color--seedgreen);
}

.track-kava .track-icon {
    background: var(--color--mossroot);
}

.track-lotus .track-icon {
    background: var(--color--seedgreen-card);
}

/* ============================================
   Essential Guides Section
   ============================================ */

.essential-guides {
    padding: var(--spacing-4xl) 0;
    background: var(--color--foamwhite);
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.guide-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--color--snowwhite);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid rgba(80, 232, 192, 0.05);
    text-decoration: none;
    transition: all 0.25s ease;
}

.guide-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--color--seedgreen);
}

.guide-card.guide-featured {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--color--snowwhite), var(--color--foamwhite));
    border-color: var(--color--seedgreen);
}

.guide-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(80, 232, 192, 0.05);
    border-radius: var(--radius-lg);
    color: var(--color--seedgreen);
    flex-shrink: 0;
}

.guide-card.guide-featured .guide-icon {
    width: 64px;
    height: 64px;
    background: var(--color--seedgreen);
    color: var(--color--snowwhite);
}

.guide-icon svg {
    width: 28px;
    height: 28px;
}

.guide-content {
    flex-grow: 1;
}

.guide-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 500;
    color: var(--color--seedgreen);
    background: var(--color--lemongrass);
    padding: 2px 10px;
    border-radius: var(--bdrs-pill);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.guide-content h3 {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color--seedgreen);
    margin-bottom: var(--spacing-xs);
}

.guide-card.guide-featured .guide-content h3 {
    font-size: var(--text-lg);
    font-family: var(--font-sans);
}

.guide-content p {
    font-size: var(--text-sm);
    font-weight: 350;
    color: var(--color--olivegreen);
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
}

.guide-meta {
    font-size: var(--text-xs);
    color: var(--color--olivegreen);
}

.guide-arrow {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color--seedgreen);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.guide-arrow svg {
    width: 20px;
    height: 20px;
}

.guide-card:hover .guide-arrow {
    transform: translateX(4px);
}

.guides-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* ============================================
   Stats Section
   ============================================ */

.classroom-stats {
    padding: var(--spacing-3xl) 0;
    background: var(--color--seedgreen);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    text-align: center;
    color: var(--color--snowwhite);
}

.stat-number {
    font-family: var(--font-sans);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 500;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--text-sm);
    font-weight: 350;
    opacity: 0.8;
}

/* ============================================
   CTA Section
   ============================================ */

.classroom-cta {
    padding: var(--spacing-4xl) 0;
    background: var(--color--snowwhite);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-sans);
    font-size: var(--text-3xl);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--color--seedgreen);
}

.cta-content p {
    font-size: var(--text-lg);
    font-weight: 350;
    color: var(--color--olivegreen);
    margin-bottom: var(--spacing-xl);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Lab Experiences Section
   ============================================ */

.lab-experiences {
    padding: var(--spacing-4xl) 0;
    background: var(--color--snowwhite);
}

.lab-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .lab-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Lab Card Styles */
.lab-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--color--snowwhite);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(80, 232, 192, 0.05);
    overflow: hidden;
    transition: all 0.25s ease;
    text-decoration: none;
    color: inherit;
}

.lab-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    border-color: var(--color--seedgreen);
}

.lab-card-featured {
    grid-column: 1 / -1;
}

@media (min-width: 768px) {
    .lab-card-featured {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
    }
}

.lab-card-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(80, 232, 192, 0.08) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.lab-card:hover .lab-card-glow {
    opacity: 1;
}

.lab-card-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--color--seedgreen);
    color: var(--color--snowwhite);
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--bdrs-pill);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.lab-card-visual {
    position: relative;
    padding: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    background: linear-gradient(135deg, var(--color--foamwhite) 0%, rgba(80, 232, 192, 0.04) 100%);
}

.lab-card-featured .lab-card-visual {
    min-height: 280px;
}

.lab-illustration {
    width: 100%;
    max-width: 200px;
    color: var(--color--seedgreen);
    transition: transform 0.25s ease;
}

.lab-card:hover .lab-illustration {
    transform: scale(1.05);
}

.lab-card-featured .lab-illustration {
    max-width: 240px;
}

.lab-card-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.lab-card-title {
    font-family: var(--font-sans);
    font-size: var(--text-xl);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color--seedgreen);
}

.lab-card-featured .lab-card-title {
    font-size: var(--text-2xl);
}

.lab-card-description {
    font-size: var(--text-sm);
    font-weight: 350;
    color: var(--color--olivegreen);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.lab-card-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.feature-tag {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color--seedgreen);
    background: rgba(80, 232, 192, 0.05);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--bdrs-pill);
}

.lab-card-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color--seedgreen);
    transition: gap 0.25s ease;
}

.lab-card-cta svg {
    width: 18px;
    height: 18px;
    transition: transform 0.25s ease;
}

.lab-card:hover .lab-card-cta {
    gap: var(--spacing-md);
}

.lab-card:hover .lab-card-cta svg {
    transform: translateX(4px);
}

/* ============================================
   Learning Paths Section
   ============================================ */

.learning-paths {
    padding: var(--spacing-4xl) 0;
    background: var(--color--foamwhite);
}

.paths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.path-card {
    background: var(--color--snowwhite);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid rgba(80, 232, 192, 0.05);
    text-align: center;
    transition: all 0.25s ease;
}

.path-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.path-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(80, 232, 192, 0.05);
    border-radius: var(--radius-lg);
    color: var(--color--seedgreen);
}

.path-icon svg {
    width: 28px;
    height: 28px;
}

.path-card h3 {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color--seedgreen);
}

.path-card p {
    font-size: var(--text-sm);
    font-weight: 350;
    color: var(--color--olivegreen);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.path-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color--olivegreen);
    font-style: italic;
}

/* ============================================
   Responsive Adjustments
   ============================================ */

@media (max-width: 768px) {
    .classroom-hero {
        min-height: 60vh;
        padding-top: calc(70px + var(--spacing-2xl));
    }

    .classroom-title {
        font-size: 2rem;
    }

    .classroom-subtitle {
        font-size: var(--text-base);
    }

    .lab-card-featured .lab-card-visual {
        min-height: 200px;
    }

    .lab-card-featured .lab-card-title {
        font-size: var(--text-xl);
    }

    .paths-grid {
        grid-template-columns: 1fr;
    }
}