/* ==========================================================================
   AEGIS 9 — Gandhi Medical College, Hyderabad
   Design System & Master Stylesheet
   Direction: Charcoal & Graphite · Vivid Lime Accent · Warm White & Editorial Serif
   Tagline: INSIGHT · IGNITE · INSPIRE
   ========================================================================== */

:root {
  /* Surface Foundations (Dark Graphite / Obsidian) */
  --surface-base: #090c0f;          /* Deep obsidian background */
  --surface-subtle: #11151a;        /* Elevated section tone */
  --surface-card: #151a21;          /* Card & modal container */
  --surface-card-hover: #1c232d;    /* Interactive card hover */
  --surface-elevated: #212936;      /* Dropdowns, tooltips, floating bars */
  --surface-input: #0e1216;         /* Form input field surface */

  /* Academic Contrast Surfaces (Warm Paper Off-White) */
  --surface-paper: #f5f4ef;         /* Archival warm paper */
  --surface-paper-subtle: #eceae3;  /* Paper section variation */
  --surface-paper-card: #ffffff;    /* Paper card surface */
  --text-paper-primary: #12161b;    /* Charcoal ink on paper */
  --text-paper-secondary: #4a5462;  /* Secondary text on paper */
  --border-paper: rgba(18, 22, 27, 0.12);

  /* Typography Colors */
  --text-primary: #f5f6f8;          /* Warm white high-contrast text */
  --text-secondary: #9da8b6;        /* Muted slate neutral */
  --text-tertiary: #616d7e;         /* Subtle labels, timestamps, metadata */
  --text-inverse: #090c0f;          /* Dark text on lime or white */

  /* Surgical Precision Accents */
  --accent-lime: #c6ff00;           /* Vivid electric lime */
  --accent-lime-hover: #d6ff33;     /* Hover highlight */
  --accent-lime-glow: rgba(198, 255, 0, 0.22);
  --accent-lime-dim: rgba(198, 255, 0, 0.08);
  --accent-lime-border: rgba(198, 255, 0, 0.35);

  /* Status Colors */
  --status-success: #10b981;
  --status-warning: #f59e0b;
  --status-danger: #ef4444;
  --status-info: #38bdf8;

  /* Borders & Rules */
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-active: rgba(198, 255, 0, 0.5);

  /* Typography Families */
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'DM Mono', monospace;

  /* Layout & Spacing */
  --max-width: 1320px;
  --site-padding: clamp(1.25rem, 5vw, 4rem);
  --header-height: 80px;

  /* Transitions & Shadows */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 160ms var(--ease-out);
  --transition-smooth: 240ms var(--ease-out);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-elevation: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-lime: 0 4px 24px var(--accent-lime-glow);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  background-color: var(--surface-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--surface-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

input, select, textarea {
  font-size: 16px; /* Prevents auto-zoom on iOS Safari */
}

/* Micro-Paper Grain Overlay for Tactile Texture */
.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Grid & Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--site-padding);
  padding-right: var(--site-padding);
}

/* ==========================================================================
   ANNOUNCEMENT / TOP TICKER
   ========================================================================== */
.top-notice-bar {
  background: var(--surface-subtle);
  border-bottom: 1px solid var(--border-hairline);
  padding: 8px var(--site-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.notice-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.beacon-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-lime);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-lime);
  animation: pulseBeacon 2.2s infinite ease-in-out;
}

@keyframes pulseBeacon {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}

.notice-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.notice-links a:hover {
  color: var(--accent-lime);
}

/* ==========================================================================
   NAVIGATION HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--header-height);
  background: rgba(9, 12, 15, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--surface-subtle);
  border: 1px solid var(--border-medium);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  position: relative;
  transition: border-color var(--transition-fast);
}

.brand-monogram span {
  color: var(--accent-lime);
  font-size: 12px;
  position: relative;
  top: -4px;
  margin-left: 1px;
}

.brand-wrapper:hover .brand-monogram {
  border-color: var(--accent-lime);
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 1px 6px;
  background: var(--accent-lime-dim);
  color: var(--accent-lime);
  border: 1px solid var(--accent-lime-border);
  border-radius: 3px;
  letter-spacing: 0.05em;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

/* Nav Links */
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.main-nav a {
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-lime);
  transition: width var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-primary);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

/* Nav Actions Cluster */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-signin {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  padding: 8px 16px;
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.btn-signin:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.04);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-lime);
  color: var(--text-inverse);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 9px 20px;
  border-radius: 4px;
  border: 1px solid var(--accent-lime);
  box-shadow: var(--shadow-lime);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background: var(--accent-lime-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 28px var(--accent-lime-glow);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 13px;
  padding: 9px 20px;
  border-radius: 4px;
  border: 1px solid var(--border-medium);
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--text-primary);
}

.btn-outline:active {
  transform: scale(0.98);
}

.mobile-menu-trigger {
  display: none;
  padding: 8px;
  font-size: 22px;
  color: var(--text-primary);
  background: transparent;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: calc(100vh - var(--header-height) - 40px);
  min-height: calc(100dvh - var(--header-height) - 40px);
  display: flex;
  align-items: center;
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border-hairline);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4rem;
  align-items: center;
}

.hero-editorial {
  display: flex;
  flex-direction: column;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}

.eyebrow-divider {
  width: 32px;
  height: 1px;
  background: var(--accent-lime);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6.2vw, 5.25rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
}

.hero-title em {
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--text-secondary);
}

.hero-title .lime-word {
  color: var(--accent-lime);
  font-style: normal;
}

.hero-description {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 2.25rem;
}

.hero-actions-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 3.25rem;
}

.hero-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-hairline);
}

.hero-meta-item span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.hero-meta-item strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

/* Hero Technical Diagram (CAD Medical Emblem) */
.hero-diagram {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cad-circle-outer {
  position: absolute;
  inset: 0;
  border: 1px dashed var(--border-medium);
  border-radius: 50%;
  animation: rotateCad 70s linear infinite;
}

.cad-circle-mid {
  position: absolute;
  inset: 12%;
  border: 1px solid var(--border-hairline);
  border-radius: 50%;
}

.cad-crosshairs {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cad-crosshairs::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--border-hairline);
}

.cad-crosshairs::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--border-hairline);
}

.cad-centerpiece {
  position: relative;
  z-index: 5;
  width: 220px;
  height: 220px;
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-elevation);
}

.cad-symbol {
  font-size: 42px;
  color: var(--accent-lime);
  line-height: 1;
  margin-bottom: 8px;
}

.cad-institute {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-primary);
}

.cad-tagline {
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  margin-top: 4px;
}

.cad-badge-tag {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  background: var(--surface-subtle);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 3px;
}

.cad-badge-top { top: 4%; left: 50%; transform: translateX(-50%); }
.cad-badge-bottom { bottom: 4%; left: 50%; transform: translateX(-50%); }
.cad-coord {
  position: absolute;
  right: 4%;
  bottom: 14%;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--accent-lime);
  letter-spacing: 0.1em;
  text-align: right;
}

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

/* ==========================================================================
   CONFERENCE STATS & METRICS BAR
   ========================================================================== */
.stats-banner {
  background: var(--surface-subtle);
  border-bottom: 1px solid var(--border-hairline);
  padding: 2.25rem 0;
}

.stats-flex {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-cell {
  border-left: 2px solid var(--accent-lime);
  padding-left: 1.25rem;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.stat-num span {
  color: var(--accent-lime);
}

.stat-caption {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-top: 4px;
}

/* ==========================================================================
   SECTION COMMON STYLES
   ========================================================================== */
.section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.section-paper-contrast {
  background-color: var(--surface-paper);
  color: var(--text-paper-primary);
  border-bottom: 1px solid var(--border-paper);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.section-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent-lime);
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-paper-contrast .section-index {
  color: #2b5d00;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-paper-contrast .section-kicker {
  color: var(--text-paper-secondary);
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3.25rem);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section-paper-contrast .section-heading {
  color: var(--text-paper-primary);
}

.section-heading em {
  font-style: italic;
  font-weight: 400;
  color: var(--text-secondary);
}

.section-paper-contrast .section-heading em {
  color: var(--text-paper-secondary);
}

.section-aside-text {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 440px;
  line-height: 1.6;
}

.section-paper-contrast .section-aside-text {
  color: var(--text-paper-secondary);
}

/* ==========================================================================
   ABOUT GMC & AEGIS 9 SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: flex-start;
}

.about-body p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.about-body p strong {
  color: var(--text-primary);
}

.heritage-card {
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 2.5rem;
}

.heritage-card h4 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.heritage-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.heritage-features li {
  display: flex;
  gap: 14px;
  font-size: 14px;
  color: var(--text-secondary);
}

.heritage-features strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.feature-bullet {
  color: var(--accent-lime);
  font-family: var(--font-mono);
  font-size: 14px;
}

/* ==========================================================================
   THE 9 FLAGSHIP EVENTS (INDIVIDUAL BESPOKE LAYOUTS)
   ========================================================================== */
.event-filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2.75rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 1.25rem;
}

.event-filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  border-radius: 4px;
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.event-filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: var(--surface-subtle);
}

.event-filter-btn.active {
  background: var(--accent-lime);
  color: var(--text-inverse);
  border-color: var(--accent-lime);
  font-weight: 700;
}

.events-layout-stack {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* Base Event Card Style */
.event-box {
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 2.5rem;
  transition: border-color var(--transition-smooth), transform var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.event-box:hover {
  border-color: var(--border-active);
}

.event-box-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.event-number-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-lime);
  font-weight: 700;
  display: inline-block;
  margin-bottom: 6px;
}

.event-box-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.event-badge-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 3px;
  background: var(--surface-subtle);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
}

/* 1. Paper Presentation Bespoke Styling (Journal Format) */
.event-box-paper {
  border-left: 4px solid var(--accent-lime);
}
.paper-tracks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: var(--surface-subtle);
  border-radius: 4px;
}
.paper-track-item span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
}
.paper-track-item strong {
  font-size: 13px;
  color: var(--text-primary);
}

/* 2. Poster Presentation Bespoke Styling (Gallery Board Format) */
.poster-specs-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: var(--surface-subtle);
  border: 1px dashed var(--border-medium);
  border-radius: 4px;
  flex-wrap: wrap;
}
.poster-spec-box {
  display: flex;
  align-items: center;
  gap: 12px;
}
.poster-icon-box {
  width: 36px;
  height: 48px;
  border: 1px solid var(--accent-lime);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-lime);
}

/* 3. Case Presentation Bespoke Styling (Case-File Dossier) */
.case-dossier-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.dossier-step {
  padding: 1rem;
  background: var(--surface-subtle);
  border-radius: 4px;
  border-left: 2px solid var(--border-medium);
}
.dossier-step span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-lime);
  display: block;
}
.dossier-step h5 {
  font-size: 13px;
  color: var(--text-primary);
  margin-top: 4px;
}

/* 4. Q Fever (Quiz) Bespoke Styling (Tournament Bracket) */
.quiz-stages-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.quiz-stage-card {
  padding: 1.25rem;
  background: var(--surface-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  text-align: center;
}
.quiz-stage-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-lime);
}

/* 5. Bipolar (Debate) Bespoke Styling (Proposition vs Opposition) */
.debate-benches-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.debate-bench {
  padding: 1.25rem;
  background: var(--surface-subtle);
  border-radius: 4px;
}
.debate-bench.prop { border-left: 3px solid var(--accent-lime); }
.debate-bench.opp { border-left: 3px solid var(--status-info); }

/* 6. Medical Conclave Bespoke Styling (Executive Roster) */
.conclave-roster-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 1.25rem 0;
}
.conclave-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--surface-subtle);
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
}

/* 7. Symposium Bespoke Styling (Masterclass) */
.symposium-pill-bar {
  display: flex;
  gap: 16px;
  margin: 1.25rem 0;
  align-items: center;
  flex-wrap: wrap;
}

/* 8. Med Shark Tank Bespoke Styling (Incubator Pitch) */
.sharktank-pitch-criteria {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.criteria-item {
  background: var(--surface-subtle);
  padding: 1rem;
  border-radius: 4px;
  text-align: center;
}

/* 9. Disaster Management Bespoke Styling (Incident Protocol Triage) */
.triage-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 1.5rem 0;
}
.triage-block {
  padding: 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-align: center;
}
.triage-red { background: rgba(239, 68, 68, 0.2); border: 1px solid var(--status-danger); color: #fca5a5; }
.triage-yellow { background: rgba(245, 158, 11, 0.2); border: 1px solid var(--status-warning); color: #fcd34d; }
.triage-green { background: rgba(16, 185, 129, 0.2); border: 1px solid var(--status-success); color: #6ee7b7; }
.triage-black { background: rgba(100, 116, 139, 0.2); border: 1px solid #64748b; color: #cbd5e1; }

.event-box-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-hairline);
  flex-wrap: wrap;
  gap: 1rem;
}

.event-meta-summary {
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

.event-meta-summary strong {
  color: var(--accent-lime);
}

/* ==========================================================================
   PROGRAMME SCHEDULE (DAY TABS & TIMELINE)
   ========================================================================== */
.schedule-tabs-container {
  display: flex;
  gap: 12px;
  margin-bottom: 2.5rem;
}

.schedule-day-btn {
  padding: 12px 24px;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.schedule-day-btn small {
  font-size: 10px;
  color: var(--text-tertiary);
  font-weight: 400;
}

.schedule-day-btn.active {
  background: var(--surface-subtle);
  border-color: var(--accent-lime);
  color: var(--text-primary);
}

.schedule-day-btn.active small {
  color: var(--accent-lime);
}

.schedule-timeline {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.schedule-row-item {
  display: grid;
  grid-template-columns: 180px 1fr 140px;
  gap: 2rem;
  align-items: center;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  padding: 1.5rem 2rem;
  transition: all var(--transition-fast);
}

.schedule-row-item:hover {
  border-color: var(--border-medium);
  background: var(--surface-card-hover);
}

.schedule-time-block {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-lime);
  letter-spacing: 0.05em;
}

.schedule-details h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

.schedule-badge-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 3px;
  text-align: center;
  background: var(--surface-subtle);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
}

/* ==========================================================================
   HANDS-ON CLINICAL WORKSHOPS
   ========================================================================== */
.workshops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.workshop-card {
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
}

.workshop-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
}

.workshop-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-lime);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.workshop-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.workshop-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.workshop-meta-list {
  list-style: none;
  border-top: 1px solid var(--border-hairline);
  padding-top: 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.workshop-meta-list strong {
  color: var(--text-primary);
}

.workshop-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.workshop-fee {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ==========================================================================
   ABSTRACT SUBMISSION PORTAL
   ========================================================================== */
.abstract-portal-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.abstract-guidelines-box {
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 2.5rem;
}

.abstract-guidelines-box h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.guidelines-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 1.75rem 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.guidelines-list li strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.track-abstract-box {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--surface-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
}

.track-abstract-box h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.track-input-group {
  display: flex;
  gap: 8px;
}

.track-input-group input {
  flex: 1;
  background: var(--surface-input);
  border: 1px solid var(--border-hairline);
  padding: 8px 12px;
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
}

.abstract-form-card {
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface-input);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  padding: 11px 14px;
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-lime);
  box-shadow: 0 0 0 2px var(--accent-lime-dim);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.word-count-indicator {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: right;
  margin-top: 4px;
}

.form-feedback {
  padding: 12px 16px;
  border-radius: 4px;
  font-size: 13px;
  margin-top: 1rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--status-success);
  color: #6ee7b7;
}

.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid var(--status-danger);
  color: #fca5a5;
}

/* ==========================================================================
   SPEAKERS & PATRONS SECTION
   ========================================================================== */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.speaker-card {
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 2rem;
  transition: all var(--transition-smooth);
}

.speaker-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
}

.speaker-avatar-frame {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--surface-subtle);
  border: 2px solid var(--accent-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.speaker-name {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.speaker-designation {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--accent-lime);
  margin-bottom: 8px;
}

.speaker-institution {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.speaker-session-tag {
  display: inline-block;
  font-size: 11px;
  font-family: var(--font-mono);
  background: var(--surface-subtle);
  padding: 4px 8px;
  border-radius: 3px;
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
}

/* ==========================================================================
   HISTORIC VENUE & LOGISTICS
   ========================================================================== */
.venue-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.venue-card-visual {
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.venue-blueprint-stamp {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--accent-lime);
  line-height: 1.7;
}

.venue-details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.venue-detail-item {
  display: flex;
  gap: 14px;
}

.venue-detail-item span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-lime);
}

.venue-detail-item strong {
  display: block;
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.venue-detail-item p {
  font-size: 13.5px;
  color: var(--text-secondary);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: flex-start;
}

.faq-item {
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-hairline);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-icon {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--accent-lime);
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 1.5rem;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem;
}

/* ==========================================================================
   CONTACT SECRETARIAT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: flex-start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item-box {
  border-left: 2px solid var(--accent-lime);
  padding-left: 1.25rem;
}

.contact-item-box span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.contact-item-box strong {
  display: block;
  font-size: 16px;
  color: var(--text-primary);
  margin-top: 3px;
}

.contact-item-box p {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ==========================================================================
   STRUCTURED FOOTER
   ========================================================================== */
.site-footer {
  background: var(--surface-subtle);
  border-top: 1px solid var(--border-hairline);
  padding: 5rem 0 2rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand-summary p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
  margin-top: 1rem;
}

.footer-column h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links-list a:hover {
  color: var(--accent-lime);
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  flex-wrap: wrap;
  gap: 1rem;
}

.back-to-top-btn {
  color: var(--accent-lime);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   MODALS: CASHFREE CHECKOUT, AUTHENTICATION, PASS PREVIEW
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(5, 7, 9, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.active {
  display: flex;
}

.modal-dialog {
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  width: 100%;
  max-width: 520px;
  padding: 2.25rem;
  position: relative;
  box-shadow: var(--shadow-elevation);
  animation: modalEnter 220ms var(--ease-out);
}

.modal-dialog.wide {
  max-width: 680px;
}

@keyframes modalEnter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 18px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-header {
  margin-bottom: 1.75rem;
}

.modal-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--accent-lime);
  text-transform: uppercase;
}

.modal-header h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--text-primary);
  margin-top: 4px;
}

.modal-header p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.checkout-summary {
  background: var(--surface-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.checkout-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.checkout-row.total {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  border-top: 1px solid var(--border-hairline);
  padding-top: 8px;
  margin-top: 8px;
}

.checkout-row.total strong {
  color: var(--accent-lime);
}

/* Printable Pass Modal */
.pass-ticket-card {
  background: #11161d;
  border: 1px dashed var(--accent-lime);
  border-radius: 6px;
  padding: 2rem;
  margin: 1.5rem 0;
  position: relative;
}

.pass-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}

.pass-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--accent-lime-dim);
  color: var(--accent-lime);
  border: 1px solid var(--accent-lime);
  padding: 4px 10px;
  border-radius: 3px;
}

.pass-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.pass-grid-item span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
}

.pass-grid-item strong {
  display: block;
  font-size: 14px;
  color: var(--text-primary);
  margin-top: 2px;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (MOBILE, TABLET, DESKTOP)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-diagram {
    max-width: 400px;
  }

  .about-grid,
  .abstract-portal-grid,
  .contact-grid,
  .venue-showcase-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .paper-tracks-grid,
  .sharktank-pitch-criteria {
    grid-template-columns: 1fr 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .main-nav,
  .btn-signin {
    display: none;
  }

  .mobile-menu-trigger {
    display: block;
  }

  .hero-meta-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .stats-flex {
    grid-template-columns: 1fr 1fr;
  }

  .form-row,
  .debate-benches-grid,
  .case-dossier-flow,
  .quiz-stages-row,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .schedule-row-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--surface-base);
  padding: 6rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
}

.mobile-drawer.active {
  transform: translateX(0);
}

.mobile-drawer a {
  font-size: 20px;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 12px;
}

/* Reduced Motion Compliance */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .cad-circle-outer {
    animation: none;
  }
  .beacon-dot {
    animation: none;
  }
}