/* StudySpider JEE Section Styles */

:root {
    --jee-main-color: var(--accent-primary);
    --jee-advanced-color: #0F172A;
    --jee-badge-bg: #FFF7ED;
    --jee-badge-border: #FDE68A;
    
    /* Advanced Specific Colors */
    --jee-adv-accent: #334155;
    --jee-adv-badge-bg: #F1F5F9;
    --jee-adv-badge-border: #CBD5E1;
}

/* Base Page Layout */
.jee-page {
    background-color: var(--bg-main);
}

/* Breadcrumb */
.breadcrumb {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2rem;
}
.breadcrumb a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}
.breadcrumb a:hover {
    color: var(--accent-primary);
}
.breadcrumb-separator {
    margin: 0 0.5rem;
    color: var(--text-secondary);
}
.breadcrumb-current {
    font-weight: 600;
    color: var(--text-primary);
}
.breadcrumb-current.main { color: var(--accent-primary); }
.breadcrumb-current.advanced { color: var(--jee-advanced-color); }

/* Switch Tabs (Main / Advanced) */
.jee-switcher {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.5rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: var(--shadow-sm);
}

.jee-switcher-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.jee-switcher-btn:hover:not(.active) {
    background: var(--hover-bg);
}

.jee-switcher-btn.active.main {
    background: var(--accent-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 6px -1px rgba(198, 93, 10, 0.2);
}

.jee-switcher-btn.active.advanced {
    background: var(--jee-advanced-color);
    color: #FFFFFF;
    box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.2);
}


/* Reusable Exam Hero */
.exam-hero {
    padding: 120px 0 4rem 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.exam-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 650px;
}

.exam-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.exam-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.exam-title .highlight-main { color: var(--accent-primary); }
.exam-title .highlight-adv { color: var(--jee-advanced-color); }

.exam-desc {
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.resource-badges {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.resource-badge {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.75rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Exam Hub Illustration (SVG + HTML) */
.hub-illustration {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hub-web-svg {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
    animation: rotateSlow 60s linear infinite;
}

@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hub-node-center {
    position: absolute;
    z-index: 3;
    background: #FFFFFF;
    border: 3px solid var(--accent-primary);
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: 800;
    color: var(--text-primary);
    box-shadow: 0 10px 25px -5px rgba(198, 93, 10, 0.3);
    font-size: 1.5rem;
}

.hub-node-center.adv {
    border-color: var(--jee-advanced-color);
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.3);
}

.hub-node {
    position: absolute;
    z-index: 2;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    box-shadow: var(--shadow-sm);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    animation: floatNode 6s ease-in-out infinite alternate;
}

.hub-node span {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

@keyframes floatNode {
    from { transform: translateY(0); }
    to { transform: translateY(-10px); }
}

/* Sticky Navigation */
.sticky-nav {
    position: sticky;
    top: 80px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    z-index: 900;
    padding: 1rem 0;
}

.sticky-nav-container {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.sticky-nav-container::-webkit-scrollbar {
    display: none;
}

.nav-pill {
    white-space: nowrap;
    padding: 0.5rem 1rem;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
    cursor: pointer;
}

.nav-pill:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.nav-pill.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.nav-pill.active.adv {
    background: var(--jee-advanced-color);
    border-color: var(--jee-advanced-color);
}

/* Sections */
.page-section {
    padding: 5rem 0;
}

.section-head {
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

.section-head h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Pathway Cards (Main vs Advanced) */
.pathway-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.pathway-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.pathway-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.pathway-card.main-card:hover { border-color: var(--accent-primary); }
.pathway-card.adv-card:hover { border-color: var(--jee-advanced-color); }

.pathway-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.pathway-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.pathway-features {
    margin: 1.5rem 0 2.5rem 0;
    flex-grow: 1;
}

.pathway-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.pathway-features li svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
}

.adv-card .pathway-features li svg {
    color: var(--jee-advanced-color);
}

/* Quick Info / Stats Grid */
.quick-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.quick-info-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.quick-info-card h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.quick-info-card p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Timeline / Roadmap */
.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 24px;
    width: 2px;
    background: var(--border-color);
}

.roadmap-step {
    position: relative;
    padding-left: 4rem;
    margin-bottom: 2rem;
}

.roadmap-step:last-child {
    margin-bottom: 0;
}

.roadmap-number {
    position: absolute;
    left: 8px;
    top: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-main);
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    background: #FFFFFF;
    z-index: 2;
}

.adv-roadmap .roadmap-number {
    border-color: var(--jee-advanced-color);
    color: var(--jee-advanced-color);
}

.roadmap-content {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.roadmap-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.roadmap-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    background: #FFFFFF;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th, .comparison-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--bg-main);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

/* Syllabus Sections */
.syllabus-subject {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.syllabus-subject-header {
    background: var(--bg-main);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.syllabus-subject-header h3 {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.syllabus-content {
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.syllabus-unit h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--hover-bg);
}

.syllabus-unit ul {
    list-style: none;
}

.syllabus-unit li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.syllabus-unit li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

.adv-unit li::before {
    color: var(--jee-advanced-color);
}


/* Promos (Mock Tests, PYQs) */
.promo-box {
    background: #FFFFFF;
    border: 2px solid var(--accent-primary);
    border-radius: 20px;
    padding: 4rem 2rem;
    text-align: center;
    box-shadow: 0 15px 40px rgba(198, 93, 10, 0.1);
}

.promo-box.adv-promo {
    border-color: var(--jee-advanced-color);
    box-shadow: 0 15px 40px rgba(15, 23, 42, 0.1);
}

.promo-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.promo-features span {
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.promo-features span svg {
    color: var(--accent-primary);
    width: 20px;
    height: 20px;
}

.adv-promo .promo-features span svg {
    color: var(--jee-advanced-color);
}

/* FAQ Accordion */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item.active {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer-inner {
    padding: 0 1.5rem 1.25rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Advanced overrides for FAQ */
.faq-adv .faq-item.active { border-color: var(--jee-advanced-color); }
.faq-adv .faq-icon { color: var(--jee-advanced-color); }

/* Responsive adjustments */
@media (max-width: 1024px) {
    .exam-hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content { margin: 0 auto; }
    .hero-actions { justify-content: center; }
    .resource-badges { justify-content: center; }
}

@media (max-width: 768px) {
    .pathway-grid { grid-template-columns: 1fr; }
    .exam-title { font-size: 2.5rem; }
}