/* ==============================================================================
   ELECTRAX 2K26 - UI COMPONENTS STYLING (components.css)
   ============================================================================== */

/* ------------------------------------------------------------------------------
   1. FIXED TOP NAVIGATION BAR
   ------------------------------------------------------------------------------ */
.site-navbar {
  position: fixed;
  top: 36px;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: var(--z-sticky-nav);
  display: flex;
  align-items: center;
  transition: all var(--transition-medium);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.site-navbar.scrolled {
  background: var(--bg-glass-heavy);
  border-bottom-color: var(--border-active);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 240, 255, 0.15);
}

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

/* Left Brand Branding */
.nav-brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
}

.brand-main {
  font-family: var(--font-brand);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--text-pure-white);
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-main .brand-bolt {
  color: var(--color-electric-cyan);
  display: inline-block;
  animation: spark-flicker 3s infinite;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--color-electric-cyan);
  margin-top: 2px;
  text-transform: uppercase;
}

@keyframes spark-flicker {
  0%, 100% { opacity: 1; transform: scale(1); }
  92% { opacity: 1; transform: scale(1); }
  93% { opacity: 0.4; transform: scale(0.9); }
  94% { opacity: 1; transform: scale(1.1); }
  96% { opacity: 0.6; }
  98% { opacity: 1; }
}

/* Center Desktop Nav Links */
.nav-links-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(3, 7, 18, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  padding: 0.3rem 0.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  position: relative;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1.15rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 999px;
  transition: color var(--transition-fast);
  position: relative;
  z-index: 2;
}

.nav-link:hover {
  color: var(--text-pure-white);
}

.nav-link.active {
  color: var(--color-electric-cyan);
  font-weight: 600;
}

/* Active Nav Floating Dot & Indicator */
.nav-indicator-dot {
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-electric-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-electric-cyan), 0 0 12px var(--color-electric-cyan);
  opacity: 0;
  transition: all var(--transition-medium);
}

.nav-link.active .nav-indicator-dot {
  opacity: 1;
  bottom: 2px;
}

/* Right Nav CTA & Mobile Toggle */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-btn-register {
  padding: 0.55rem 1.35rem;
  font-size: 0.85rem;
  border-radius: 999px;
}

/* Mobile Hamburger Button */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--border-radius-sm);
  gap: 5px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-nav-toggle span {
  width: 20px;
  height: 2px;
  background-color: var(--color-electric-cyan);
  border-radius: 2px;
  transition: all var(--transition-medium);
}

.mobile-nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(10px);
}

.mobile-nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer Overlay */
.mobile-menu-drawer {
  position: fixed;
  top: var(--header-height);
  right: 0;
  width: 100%;
  max-width: 380px;
  height: calc(100vh - var(--header-height));
  background: rgba(3, 7, 18, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-subtle);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform var(--transition-medium);
  z-index: var(--z-mobile-menu);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.8);
}

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

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.mobile-nav-link.active,
.mobile-nav-link:hover {
  color: var(--color-electric-cyan);
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

/* ------------------------------------------------------------------------------
   2. HERO / HOME SECTION
   ------------------------------------------------------------------------------ */
.hero-section {
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* Presenter Badge */
.hero-presenter-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.25rem;
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 1.5vw, 0.9rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.hero-presenter-badge .badge-icon {
  color: var(--color-electric-cyan);
}

/* Dominant Main Heading */
.hero-title-wrapper {
  position: relative;
  margin-bottom: 0.75rem;
}

.hero-title {
  font-family: var(--font-brand);
  font-size: clamp(3rem, 9.5vw, 6.5rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1;
  text-transform: uppercase;
  color: #ffffff;
  text-shadow: 
    0 0 20px rgba(0, 240, 255, 0.6),
    0 0 50px rgba(0, 136, 255, 0.4);
}

.hero-title .title-edition {
  color: var(--color-electric-cyan);
  background: linear-gradient(135deg, var(--color-electric-cyan) 0%, #0099ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  margin-left: 0.25rem;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.2vw, 1.45rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

/* 3-Card Information Bar (Date, College, Location) */
.hero-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  width: 100%;
  max-width: 920px;
  margin-bottom: 2.75rem;
}

.info-card {
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-md);
  padding: 1.25rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
  transition: all var(--transition-medium);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.info-card:hover {
  border-color: var(--border-active);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 240, 255, 0.15);
}

.info-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-electric-cyan);
  flex-shrink: 0;
}

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

.info-card-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-electric-cyan);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.info-card-value {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-pure-white);
  line-height: 1.3;
}

/* ------------------------------------------------------------------------------
   CIRCULAR ROMAN NUMERAL CLOCK & TIME SYNC WIDGET
   ------------------------------------------------------------------------------ */
.circular-roman-clock-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2.75rem;
  position: relative;
  z-index: 5;
}

.circular-roman-clock-wrapper {
  background: var(--bg-surface-elevated);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-active);
  border-radius: var(--border-radius-xl);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 2.25rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 240, 255, 0.2);
}

/* Circular Clock Face */
.roman-clock-dial {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, #081638 0%, #03081a 70%, #01040e 100%);
  border: 2px solid rgba(0, 240, 255, 0.5);
  box-shadow: 
    0 0 20px rgba(0, 240, 255, 0.4),
    inset 0 0 25px rgba(0, 240, 255, 0.25),
    inset 0 0 50px rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

/* Clock Outer Electrical Ring */
.roman-clock-dial::before {
  content: '';
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 240, 255, 0.35);
  pointer-events: none;
  animation: clock-ring-rotate 60s linear infinite;
}

@keyframes clock-ring-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Roman Numerals positioned around clock dial */
.roman-numeral {
  position: absolute;
  font-family: var(--font-brand);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-electric-cyan);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.7);
  letter-spacing: 0.05em;
  transform: translate(-50%, -50%);
  user-select: none;
}

/* Exact Radial Coordinates for Roman Numerals (Center 110px, radius 82px) */
.num-12 { top: 18px; left: 110px; }
.num-1  { top: 29px; left: 151px; }
.num-2  { top: 59px; left: 181px; }
.num-3  { top: 110px; left: 194px; }
.num-4  { top: 161px; left: 181px; }
.num-5  { top: 191px; left: 151px; }
.num-6  { top: 202px; left: 110px; }
.num-7  { top: 191px; left: 69px; }
.num-8  { top: 161px; left: 39px; }
.num-9  { top: 110px; left: 26px; }
.num-10 { top: 59px; left: 39px; }
.num-11 { top: 29px; left: 69px; }

/* Clock Hands */
.clock-hand {
  position: absolute;
  bottom: 50%;
  left: 50%;
  transform-origin: 50% 100%;
  border-radius: 4px;
  pointer-events: none;
  transition: transform 0.05s cubic-bezier(0.4, 2.08, 0.55, 0.44);
}

.hand-hour {
  width: 5px;
  height: 48px;
  margin-left: -2.5px;
  background: linear-gradient(to top, #ffffff, var(--color-electric-cyan));
  box-shadow: 0 0 10px var(--color-electric-cyan);
  z-index: 3;
}

.hand-minute {
  width: 3.5px;
  height: 68px;
  margin-left: -1.75px;
  background: linear-gradient(to top, #ffffff, #00aaff);
  box-shadow: 0 0 12px #00aaff;
  z-index: 4;
}

.hand-second {
  width: 2px;
  height: 80px;
  margin-left: -1px;
  background: var(--color-electric-cyan);
  box-shadow: 0 0 15px var(--color-electric-cyan), 0 0 25px #ffffff;
  z-index: 5;
}

.hand-second::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -2px;
  width: 6px;
  height: 18px;
  background: rgba(0, 240, 255, 0.6);
  border-radius: 3px;
}

/* Center Clock Hub Core */
.clock-center-hub {
  position: absolute;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border: 2.5px solid var(--color-electric-cyan);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--color-electric-cyan), 0 0 25px #ffffff;
  z-index: 6;
}

/* Clock Readout Information */
.clock-readout-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  text-align: left;
}

.clock-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-electric-cyan);
  text-transform: uppercase;
}

.clock-digital-time {
  font-family: var(--font-brand);
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.05em;
  line-height: 1;
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
}

.clock-countdown-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-primary);
}

.clock-countdown-badge strong {
  color: var(--color-voltage-gold);
  font-size: 1rem;
}

@media (max-width: 768px) {
  .circular-roman-clock-wrapper {
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.5rem;
    align-items: center;
  }
  .clock-readout-info {
    align-items: center;
    text-align: center;
  }
}

/* Hero Action CTAs */
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ------------------------------------------------------------------------------
   3. EVENTS SECTION & FILTER TABS
   ------------------------------------------------------------------------------ */
.events-filter-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.events-filter-container {
  display: inline-flex;
  background: var(--bg-surface-elevated);
  padding: 0.35rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  gap: 0.35rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.filter-btn {
  padding: 0.65rem 1.65rem;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: all var(--transition-medium);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.filter-btn:hover {
  color: var(--text-pure-white);
}

.filter-btn.active {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2) 0%, rgba(0, 102, 255, 0.2) 100%);
  color: var(--color-electric-cyan);
  border: 1px solid var(--color-electric-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.filter-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.4);
  color: var(--text-muted);
}

.filter-btn.active .filter-badge {
  background: var(--color-electric-cyan);
  color: var(--bg-primary);
  font-weight: 700;
}

/* Event Grid Layout */
.events-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  width: 100%;
}

/* Individual Event Card */
.event-card {
  background: var(--bg-surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-medium);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.event-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-electric-cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.event-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 240, 255, 0.2);
}

.event-card:hover::after {
  opacity: 1;
}

.event-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.event-category-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.event-category-tag.technical {
  background: rgba(0, 240, 255, 0.12);
  color: var(--color-electric-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.event-category-tag.non-technical {
  background: rgba(121, 40, 202, 0.15);
  color: #c084fc;
  border: 1px solid rgba(121, 40, 202, 0.35);
}

.event-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-electric-cyan);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.event-card:hover .event-icon-box {
  transform: scale(1.1);
  background: rgba(0, 240, 255, 0.18);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.event-card-title {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-pure-white);
  margin-bottom: 0.4rem;
  line-height: 1.25;
}

.event-card-tagline {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-electric-cyan);
  margin-bottom: 0.85rem;
}

.event-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Event Card Specs Footer */
.event-card-specs {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 1.25rem;
}

.event-spec-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.event-spec-item svg {
  color: var(--color-electric-cyan);
}

.event-card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-electric-cyan);
  padding-top: 0.5rem;
  transition: gap var(--transition-fast);
}

.event-card-action svg {
  transition: transform var(--transition-fast);
}

.event-card:hover .event-card-action svg {
  transform: translateX(4px);
}

/* ------------------------------------------------------------------------------
   4. BROCHURE SECTION
   ------------------------------------------------------------------------------ */
.brochure-card-wrapper {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-xl);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.brochure-card-wrapper::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.brochure-info h3 {
  font-family: var(--font-brand);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-pure-white);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.brochure-info p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.brochure-highlights-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.brochure-highlight-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.brochure-highlight-item svg {
  color: var(--color-electric-cyan);
  flex-shrink: 0;
}

.brochure-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Brochure Holographic Interactive Preview Cover */
.brochure-preview-graphic {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brochure-mockup-frame {
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1 / 1.414; /* A4 aspect ratio */
  background: linear-gradient(145deg, #091738 0%, #040a1c 100%);
  border: 2px solid rgba(0, 240, 255, 0.4);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 240, 255, 0.2);
  transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
  position: relative;
  cursor: pointer;
}

.brochure-mockup-frame:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.03);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 240, 255, 0.4);
  border-color: var(--color-electric-cyan);
}

.mockup-header {
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
  padding-bottom: 0.75rem;
}

.mockup-brand {
  font-family: var(--font-brand);
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
}

.mockup-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--color-electric-cyan);
  letter-spacing: 0.15em;
}

.mockup-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.5rem;
}

.mockup-circuits {
  width: 70px;
  height: 70px;
  color: var(--color-electric-cyan);
  opacity: 0.8;
  animation: pulse-dot 3s infinite;
}

.mockup-body-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
}

.mockup-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 0.5rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* ------------------------------------------------------------------------------
   5. LOCATION & CONTACT SECTION
   ------------------------------------------------------------------------------ */
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.venue-card {
  background: var(--bg-surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.venue-card-title {
  font-family: var(--font-brand);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-pure-white);
  margin-bottom: 0.5rem;
}

.venue-address-block {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.address-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.address-item svg {
  color: var(--color-electric-cyan);
  margin-top: 3px;
  flex-shrink: 0;
}

/* Tactical Dark-Mode Map Widget */
.map-widget-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  position: relative;
  min-height: 340px;
  display: flex;
  flex-direction: column;
}

.map-mockup-screen {
  flex: 1;
  background: 
    radial-gradient(circle at 60% 40%, rgba(0, 240, 255, 0.08) 0%, transparent 60%),
    linear-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.04) 1px, transparent 1px),
    #050c1e;
  background-size: 100% 100%, 30px 30px, 30px 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.map-pin-pulse {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pin-ripple {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.2);
  border: 1px solid var(--color-electric-cyan);
  animation: pulse-dot 2s infinite ease-out;
}

.pin-core {
  position: relative;
  z-index: 2;
  width: 38px;
  height: 38px;
  background: var(--color-electric-cyan);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--color-electric-cyan);
}

.map-badge-coords {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(3, 7, 18, 0.85);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  color: var(--color-electric-cyan);
}

/* Contact Cards Grid */
.contacts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.contact-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-md);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.contact-card:hover {
  border-color: var(--border-active);
  transform: translateY(-3px);
}

.contact-card-role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-electric-cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-card-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

.contact-card-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.25rem;
  transition: color var(--transition-fast);
}

.contact-card-link:hover {
  color: var(--color-electric-cyan);
}

/* ------------------------------------------------------------------------------
   6. ABOUT SECTION
   ------------------------------------------------------------------------------ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-card {
  background: var(--bg-surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
}

.about-card-title {
  font-family: var(--font-brand);
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.about-card-subtitle {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-electric-cyan);
  margin-bottom: 1.25rem;
}

.about-card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  text-align: justify;
  text-justify: inter-word;
  margin-bottom: 2rem;
}

/* College Highlights Grid */
.college-highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.highlight-box {
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: var(--border-radius-sm);
  padding: 1rem;
  text-align: center;
}

.highlight-val {
  font-family: var(--font-brand);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-electric-cyan);
  line-height: 1.1;
}

.highlight-lbl {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* EEE Department Pillars */
.pillars-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.pillar-item:hover {
  background: rgba(0, 240, 255, 0.05);
  border-color: rgba(0, 240, 255, 0.3);
}

.pillar-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 240, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-electric-cyan);
  flex-shrink: 0;
}

.pillar-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.pillar-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ------------------------------------------------------------------------------
   7. FOOTER & BACK TO TOP
   ------------------------------------------------------------------------------ */
.site-footer {
  background: #02050f;
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2rem 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand-title {
  font-family: var(--font-brand);
  font-size: 1.6rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.footer-brand-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1.5rem;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-electric-cyan);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-link:hover {
  color: var(--color-electric-cyan);
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.back-to-top-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-electric-cyan);
  padding: 0.5rem 1rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 999px;
  transition: all var(--transition-fast);
}

.back-to-top-btn:hover {
  background: var(--color-electric-cyan);
  color: var(--bg-primary);
  box-shadow: 0 0 15px var(--color-electric-cyan);
}

/* ------------------------------------------------------------------------------
   8. RESPONSIVE BREAKPOINTS (Desktop, Tablet, Mobile)
   ------------------------------------------------------------------------------ */
@media (max-width: 1024px) {
  .events-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .brochure-card-wrapper {
    grid-template-columns: 1fr;
    padding: 2.25rem;
  }
  .brochure-preview-graphic {
    order: -1;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .contacts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links-wrapper {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
  .hero-info-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .countdown-widget {
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    width: 100%;
  }
  .events-grid {
    grid-template-columns: 1fr;
  }
  .location-grid {
    grid-template-columns: 1fr;
  }
  .contacts-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }
}

/* ==============================================================================
   BROCHURE IMAGE-ONLY SECTION
   ============================================================================== */
.brochure-image-only-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.brochure-image-container {
  width: 100%;
  max-width: 800px;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 240, 255, 0.15);
  transition: box-shadow var(--transition-medium), border-color var(--transition-medium);
  background: var(--bg-surface);
  position: relative;
}

.brochure-image-container::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.brochure-image-container:hover {
  border-color: var(--border-active);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 240, 255, 0.25);
}

.brochure-full-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.brochure-image-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 4rem 2rem;
  color: var(--color-electric-cyan);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  opacity: 0.6;
}

.brochure-image-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ==============================================================================
   REAL GOOGLE MAPS EMBED
   ============================================================================== */
.map-real-embed {
  width: 100%;
  height: 100%;
  min-height: 340px;
  border-radius: inherit;
  overflow: hidden;
}

.map-real-embed iframe {
  width: 100%;
  height: 100%;
  min-height: 340px;
  filter: invert(92%) hue-rotate(180deg) saturate(0.85) brightness(0.9);
  border: none;
}

/* ==============================================================================
   MOBILE TOUCH CURSOR / RIPPLE EFFECT
   ============================================================================== */
.touch-ripple {
  position: fixed;
  pointer-events: none;
  z-index: var(--z-cursor);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  margin-left: -20px;
  margin-top: -20px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.5) 0%, rgba(0, 240, 255, 0.1) 60%, transparent 100%);
  border: 2px solid rgba(0, 240, 255, 0.8);
  animation: touch-ripple-expand 0.6s ease-out forwards;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
}

@keyframes touch-ripple-expand {
  0% {
    transform: scale(0.3);
    opacity: 1;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

/* ==============================================================================
   ENHANCED MOBILE RESPONSIVENESS (max-width: 480px)
   ============================================================================== */
@media (max-width: 480px) {
  /* Fix ticker for very small screens */
  .ticker-text {
    font-size: 0.7rem;
    letter-spacing: 0.03em;
  }

  /* Hero section tight spacing */
  .hero-section {
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 3rem;
  }

  .hero-title {
    font-size: clamp(2.2rem, 12vw, 3.5rem);
  }

  .hero-subtitle {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
  }

  .hero-presenter-badge {
    font-size: 0.7rem;
    padding: 0.35rem 0.85rem;
    margin-bottom: 1rem;
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-info-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    margin-bottom: 2rem;
  }

  .info-card {
    padding: 0.9rem 1rem;
  }

  /* Navbar tight spacing */
  .nav-btn-register {
    font-size: 0.7rem;
    padding: 0.45rem 0.85rem;
  }

  .brand-main {
    font-size: 1.15rem;
  }

  /* Events section */
  .events-filter-container {
    flex-direction: column;
    border-radius: var(--border-radius-md);
    gap: 0.25rem;
    width: 100%;
  }

  .filter-btn {
    border-radius: var(--border-radius-md);
    justify-content: center;
    padding: 0.65rem 1rem;
  }

  /* Event cards */
  .event-card {
    padding: 1.25rem;
  }

  /* Location section */
  .venue-card {
    padding: 1.5rem 1.25rem;
  }

  /* About section */
  .about-card {
    padding: 1.5rem 1.25rem;
  }

  .college-highlights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }

  /* Brochure section */
  .brochure-image-actions {
    flex-direction: column;
    width: 100%;
  }

  .brochure-image-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* Section headers */
  .section-header {
    margin-bottom: 2rem;
  }

  .section-title {
    font-size: clamp(1.5rem, 7vw, 2rem);
  }

  /* Contact cards */
  .contacts-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .contact-card {
    padding: 1.25rem 1rem;
  }

  /* Footer */
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* Map on mobile */
  .map-real-embed,
  .map-real-embed iframe {
    min-height: 260px;
  }
}

/* ==============================================================================
   TABLET BREAKPOINT IMPROVEMENTS (max-width: 768px)
   ============================================================================== */
@media (max-width: 768px) {
  /* Hero info grid single column already handled above */

  /* Brochure image full width on mobile */
  .brochure-image-only-wrapper {
    width: 100%;
  }

  .brochure-image-container {
    max-width: 100%;
    border-radius: var(--border-radius-md);
  }

  /* Map widget */
  .map-widget-container {
    min-height: 260px;
  }

  .map-real-embed,
  .map-real-embed iframe {
    min-height: 260px;
  }

  /* Mobile drawer adjusted for ticker */
  .mobile-menu-drawer {
    top: calc(var(--header-height) + 36px);
    height: calc(100vh - var(--header-height) - 36px);
  }

  /* When ticker hidden */
  .mobile-menu-drawer-noticker {
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
  }

  /* Events grid single column */
  .events-grid {
    grid-template-columns: 1fr;
  }

  /* Location grid single column */
  .location-grid {
    grid-template-columns: 1fr;
  }
}