/* ===================================================
   CONFERENCES PAGE — RAJDHANI YUVA SANSAD
   Design System: Matches dash & about pages
   =================================================== */

:root {
    --primary-bg: #FFFFFF;
    --text-dark: #111111;
    --text-blue: #0B1F3A;
    --accent-gold: #C8A96E;
    --gray-light: #F7F7F7;
    --border-color: #EAEAEA;
    --nav-height: 84px;
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    background-color: var(--primary-bg);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    animation: pageIn 0.5s ease both;
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1320px; margin: 0 auto; padding: 0 5%; }

/* ===================================================
   NAVBAR (shared pattern from dash)
   =================================================== */
.navbar {
    width: 100%;
    background: var(--primary-bg);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    transition: box-shadow 0.25s ease;
}

.navbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: var(--nav-height);
    padding: 1.5rem 0;
    transition: padding 0.25s ease;
}

.nav-brand {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-blue);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-logo-img {
    height: 44px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.nav-links { display: flex; gap: 0.75rem; align-items: center; }

.nav-link {
    font-size: 0.9rem; font-weight: 500;
    color: var(--text-dark);
    padding: 0.5rem 0.9rem;
    border: 1px solid transparent;
    border-radius: 2px;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

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

.nav-link.active {
    color: var(--primary-bg);
    background-color: var(--text-blue);
    border-color: var(--text-blue);
}

.btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem; font-weight: 500;
    font-family: var(--font-sans);
    transition: background-color 0.25s ease, transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    border: none;
    border-radius: 2px;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.btn-outline { border: 1px solid var(--text-blue); color: var(--text-blue); background: transparent; }
.btn-outline:hover { background: var(--gray-light); }
.btn-primary { background-color: var(--text-blue); color: var(--primary-bg); }
.btn-primary:hover { background-color: #08172c; }
.btn-gold { background-color: var(--accent-gold); color: var(--primary-bg); }
.btn-gold:hover { background-color: #b59862; }

/* Mobile Menu */
.mobile-menu-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 6px; z-index: 200;
}
.mobile-menu-toggle span { width: 24px; height: 2px; background-color: var(--text-dark); transition: var(--transition); }
.mobile-nav-overlay {
    position: fixed; inset: 0; background: var(--text-blue);
    z-index: 9999; display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 2rem;
    opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
}
.mobile-nav-overlay.active { opacity: 1; pointer-events: all; }
.mobile-nav-close {
    position: absolute; top: 1.5rem; right: 1.5rem;
    font-size: 2rem; color: #fff; background: none; border: none; cursor: pointer;
}
.mobile-nav-links { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }
.mobile-nav-links a { font-family: var(--font-serif); font-size: 1.5rem; color: #fff; transition: color 0.3s ease; }
.mobile-nav-links a:hover { color: var(--accent-gold); }


/* ===================================================
   PAGE HERO — CONFERENCES LANDING
   =================================================== */
.conf-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--text-blue);
}

.conf-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.conf-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    filter: saturate(0.6);
}

.conf-hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11,31,58,0.97) 0%, rgba(11,31,58,0.8) 50%, rgba(11,31,58,0.6) 100%);
    z-index: 1;
}

.conf-hero-content {
    position: relative;
    z-index: 2;
    padding: 6rem 0 5rem;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.conf-hero-eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent-gold);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.conf-hero-eyebrow::before,
.conf-hero-eyebrow::after {
    content: "";
    display: inline-block;
    width: 40px; height: 1px;
    background: var(--accent-gold);
}

.conf-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: #fff;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.conf-hero h1 .highlight {
    color: var(--accent-gold);
}

.conf-hero-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    line-height: 1.7;
    margin: 0 auto 2rem auto;
}

/* Hero Stats Row */
.hero-stats-row {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.hero-stat-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.45);
    font-weight: 500;
}

/* Animated decorative elements */
.conf-hero-decor {
    position: absolute;
    right: 8%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    opacity: 0.12;
}

.conf-hero-decor span {
    display: block;
    width: 120px;
    height: 2px;
    background: var(--accent-gold);
    animation: decorPulse 3s ease-in-out infinite;
}

.conf-hero-decor span:nth-child(2) { width: 80px; animation-delay: 0.5s; }
.conf-hero-decor span:nth-child(3) { width: 50px; animation-delay: 1s; }

@keyframes decorPulse {
    0%, 100% { opacity: 0.3; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(10px); }
}


/* ===================================================
   YEAR FILTER / TIMELINE NAVIGATION
   =================================================== */
.filter-bar {
    position: sticky;
    top: var(--nav-height);
    z-index: 50;
    background: var(--primary-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 12px rgba(0,0,0,0.03);
}

.filter-bar-inner {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.filter-bar-inner::-webkit-scrollbar { display: none; }

.filter-bar-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #999;
    font-weight: 600;
    white-space: nowrap;
    margin-right: 0.75rem;
}

.filter-pill {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: var(--font-sans);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    background: transparent;
    color: #555;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-pill:hover {
    border-color: var(--text-blue);
    color: var(--text-blue);
}

.filter-pill.active {
    background-color: var(--text-blue);
    color: var(--primary-bg);
    border-color: var(--text-blue);
}


/* ===================================================
   CONFERENCES TIMELINE GRID
   =================================================== */
.conferences-section {
    padding: 5rem 0 6rem;
}

/* Year Section */
.year-group {
    margin-bottom: 5rem;
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.6s ease forwards;
}

.year-group.hidden {
    display: none;
}

@keyframes slideUp {
    to { opacity: 1; transform: translateY(0); }
}

.year-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.year-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-blue);
    line-height: 1;
}

.year-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--border-color), transparent);
}

.year-count {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #999;
    font-weight: 600;
    white-space: nowrap;
}

/* Conference Cards — Featured vs Standard */
.conf-cards-grid {
    display: grid;
    gap: 2rem;
}

/* Featured Conference (full width) */
.conf-card-featured {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.conf-card-featured:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.07);
}

.conf-card-featured .card-visual {
    position: relative;
    min-height: 420px;
    overflow: hidden;
}

.conf-card-featured .card-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.conf-card-featured:hover .card-visual img {
    transform: scale(1.05);
}

.card-badge {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    padding: 0.4rem 1rem;
    background: var(--accent-gold);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-radius: 100px;
    z-index: 2;
}

.conf-card-featured .card-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.card-meta-item {
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.card-meta-divider {
    width: 3px; height: 3px;
    border-radius: 50%;
    background: #ccc;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-dark);
    line-height: 1.25;
    margin-bottom: 1rem;
}

.card-subtitle {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1rem;
    color: var(--text-blue);
    margin-bottom: 1rem;
    opacity: 0.7;
}

.card-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.card-highlights {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.card-highlight-item {
    display: flex;
    flex-direction: column;
    padding: 0.75rem 1rem;
    background: var(--gray-light);
    border-radius: 8px;
    min-width: 100px;
}

.card-highlight-number {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-blue);
    line-height: 1.2;
}

.card-highlight-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #999;
    font-weight: 600;
    margin-top: 0.15rem;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-blue);
    transition: var(--transition);
    margin-top: auto;
}

.card-link:hover {
    color: var(--accent-gold);
    gap: 0.75rem;
}

.card-link-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}

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


/* Standard Conference Card (grid of 2-3) */
.conf-cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.conf-card-standard {
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.conf-card-standard:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.06);
}

.conf-card-standard .card-visual {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.conf-card-standard .card-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.conf-card-standard:hover .card-visual img {
    transform: scale(1.06);
}

.conf-card-standard .card-content {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.conf-card-standard .card-title {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.conf-card-standard .card-desc {
    font-size: 0.9rem;
    flex-grow: 1;
    margin-bottom: 1.25rem;
}


/* Compact/Mini card (for older events with less detail) */
.conf-card-compact {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    align-items: center;
}

.conf-card-compact:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}

.conf-card-compact .card-visual {
    width: 140px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.conf-card-compact .card-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.conf-card-compact:hover .card-visual img {
    transform: scale(1.05);
}

.conf-card-compact .card-content {
    display: flex;
    flex-direction: column;
}

.conf-card-compact .card-title {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
}

.conf-card-compact .card-desc {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.compact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}


/* ===================================================
   CONFERENCE DETAIL EXPANDABLE (Optional)
   =================================================== */
.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.card-tag {
    padding: 0.3rem 0.75rem;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    color: #777;
    background: var(--gray-light);
}


/* ===================================================
   CONFERENCE TYPE LEGEND
   =================================================== */
.type-legend {
    display: flex;
    gap: 2rem;
    justify-content: center;
    padding: 2rem 0;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: #888;
}

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

.legend-dot.flagship { background: var(--text-blue); }
.legend-dot.school { background: var(--accent-gold); }
.legend-dot.legal { background: #7C6FB3; }
.legend-dot.training { background: #5BA08A; }


/* ===================================================
   CTA SECTION
   =================================================== */
.cta-section {
    background-color: var(--text-blue);
    color: var(--primary-bg);
    padding: 6rem 0;
    text-align: center;
}
.cta-section h2 {
    font-family: var(--font-serif);
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-bg);
}
.cta-section p {
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
    font-size: 1.1rem;
    opacity: 0.9;
}


/* ===================================================
   FOOTER (shared pattern)
   =================================================== */
footer {
    background-color: var(--text-dark);
    color: #fff;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 3.5rem;
    padding: 4rem 0 3rem;
}
.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
}
.footer-brand-name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
}
.footer-tagline {
    font-size: 0.85rem;
    font-weight: 300;
    color: rgba(255,255,255,0.45);
    line-height: 1.7;
    max-width: 280px;
}
.footer-col-title {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.35);
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links li a {
    font-size: 0.88rem;
    font-weight: 300;
    color: rgba(255,255,255,0.6);
    transition: color 0.25s ease, padding-left 0.25s ease;
    display: inline-block;
}
.footer-links li a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1.5rem 0;
    text-align: center;
}
.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.28);
}


/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 1024px) {
    .conf-cards-row { grid-template-columns: repeat(2, 1fr); }
    .conf-card-featured { grid-template-columns: 1fr; }
    .conf-card-featured .card-visual { min-height: 300px; }
    .compact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-toggle { display: flex; }
    .conf-hero { min-height: 50vh; }
    .conf-hero-content { padding: 4rem 0 3.5rem; }
    .hero-stats-row { gap: 2rem; }
    .hero-stat-number { font-size: 2rem; }
    .conf-cards-row { grid-template-columns: 1fr; }
    .conf-card-featured .card-content { padding: 2rem; }
    .card-title { font-size: 1.4rem; }
    .year-number { font-size: 2.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .filter-bar-inner { padding: 0.75rem 0; }
    .nav-brand { font-size: 1.05rem; }
    .cta-section h2 { font-size: 2.2rem; }
    .type-legend { gap: 1rem; }
}

@media (max-width: 480px) {
    .hero-stats-row { flex-direction: column; gap: 1.5rem; }
    .conf-card-compact { grid-template-columns: 1fr; }
    .conf-card-compact .card-visual { width: 100%; height: 180px; }
    .card-highlights { flex-direction: column; gap: 0.75rem; }
    .compact-grid { grid-template-columns: 1fr; }
}