/* ==========================================================================
   AAU IEEE STUDENT BRANCH — OFFICIAL STYLESHEET
   Design System: Academic, Institutional, High-Contrast Light Theme
   Master Brand Blue: #00629B | Neutral Base: #1E293B on #F8FAFC
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,500;0,600;0,700;0,800;1,600&family=Open+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* IEEE Brand Colors */
  --ieee-blue: #00629B;
  --ieee-blue-dark: #004770;
  --ieee-blue-light: #EBF5FB;
  --ieee-blue-focus: rgba(0, 98, 155, 0.25);
  --ieee-gold: #B45309;
  --ieee-gold-light: #FEF3C7;

  /* Technical Track Identifiers (Not neon, authentic engineering pigments) */
  --track-ai: #047857;          /* Forest Emerald */
  --track-ai-bg: #ECFDF5;
  --track-embedded: #C2410C;    /* Rust Amber */
  --track-embedded-bg: #FFF7ED;
  --track-software: #6D28D9;    /* Deep Indigo */
  --track-software-bg: #F5F3FF;
  --track-robotics: #0369A1;    /* Deep Cyan */
  --track-robotics-bg: #F0F9FF;

  /* Neutrals & Surfaces */
  --bg-page: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #F1F5F9;
  --border-subtle: #E2E8F0;
  --border-strong: #CBD5E1;

  /* Typography */
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-subtle: #64748B;
  --text-inverse: #FFFFFF;

  /* UI Tokens */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);

  --font-heading: 'Montserrat', system-ui, -apple-system, sans-serif;
  --font-body: 'Open Sans', system-ui, -apple-system, sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; font-weight: 600; }

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--ieee-blue);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--ieee-blue-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.section-alt {
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

/* Top Institutional Banner */
.top-bar {
  background-color: #0B132B;
  color: #94A3B8;
  font-size: 0.775rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.top-bar-text {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.top-bar-inst {
  color: #E2E8F0;
  font-weight: 600;
}

.top-bar a {
  color: #CBD5E1;
}

.top-bar a:hover {
  color: #FFFFFF;
}

/* Main Navigation */
.navbar {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.05);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

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

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: #0F172A;
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.brand-sub {
  font-size: 0.7rem;
  color: var(--ieee-blue);
  font-weight: 700;
  letter-spacing: 0.07em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  color: #475569;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  position: relative;
  transition: all 0.18s ease;
}

.nav-links a:hover {
  color: var(--ieee-blue);
  background-color: var(--bg-surface-alt);
}

.nav-links a.active {
  color: var(--ieee-blue);
  background-color: var(--ieee-blue-light);
  font-weight: 700;
}

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

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--ieee-blue);
  color: #FFFFFF;
  box-shadow: 0 1px 2px rgba(0, 98, 155, 0.15);
}

.btn-primary:hover {
  background-color: var(--ieee-blue-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 98, 155, 0.28);
}

.btn-secondary {
  background-color: #FFFFFF;
  color: var(--text-main);
  border-color: var(--border-strong);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.btn-secondary:hover {
  background-color: #F8FAFC;
  color: var(--text-main);
  border-color: #94A3B8;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-dark {
  background-color: #0F172A;
  color: #FFFFFF;
}

.btn-dark:hover {
  background-color: #1E293B;
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-ai { background-color: var(--track-ai-bg); color: var(--track-ai); border: 1px solid #A7F3D0; }
.badge-embedded { background-color: var(--track-embedded-bg); color: var(--track-embedded); border: 1px solid #FED7AA; }
.badge-software { background-color: var(--track-software-bg); color: var(--track-software); border: 1px solid #DDD6FE; }
.badge-robotics { background-color: var(--track-robotics-bg); color: var(--track-robotics); border: 1px solid #BAE6FD; }
.badge-gold { background-color: var(--ieee-gold-light); color: var(--ieee-gold); border: 1px solid #FDE68A; }
.badge-neutral { background-color: #F1F5F9; color: #475569; border: 1px solid #E2E8F0; }

/* Hero Section — Clean Editorial Authority */
.hero {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
  padding: 4.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-pretitle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.775rem;
  font-weight: 700;
  color: var(--ieee-blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.15rem;
  background-color: var(--ieee-blue-light);
  border: 1px solid rgba(0, 98, 155, 0.18);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
}

.hero-title {
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 800;
  color: #0F172A;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-affiliations {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.affiliation-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--text-subtle);
}

.affiliation-names {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* Hero Aside / Mission Board */
.hero-card {
  background: linear-gradient(155deg, #0F172A 0%, #1E293B 100%);
  color: #F8FAFC;
  border-radius: 12px;
  padding: 2.25rem;
  box-shadow: 0 16px 36px -8px rgba(15, 23, 42, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-top: 3px solid #38BDF8;
  position: relative;
}

.hero-card-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.hero-card-tag {
  font-family: var(--font-heading);
  font-size: 0.725rem;
  letter-spacing: 0.09em;
  color: #38BDF8;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-card-title {
  color: #FFFFFF;
  font-size: 1.35rem;
  margin-top: 0.25rem;
}

.hero-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.hero-card-item {
  display: flex;
  gap: 0.85rem;
  font-size: 0.9375rem;
  color: #CBD5E1;
  line-height: 1.5;
}

.hero-card-bullet {
  color: #38BDF8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.15);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* Impact Metrics Strip */
.metrics-strip {
  background-color: #F1F5F9;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 2.75rem 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.metric-box {
  background: #FFFFFF;
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--ieee-blue);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.metric-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #CBD5E1;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1;
  margin-bottom: 0.4rem;
  font-variant-numeric: tabular-nums;
}

.metric-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Technical Tracks (Asymmetric, intentional architecture) */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2rem;
}

.track-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
}

.track-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px -6px rgba(15, 23, 42, 0.09);
  border-color: var(--border-strong);
}

.track-card.track-card-ai { border-top: 4px solid var(--track-ai); }
.track-card.track-card-embedded { border-top: 4px solid var(--track-embedded); }
.track-card.track-card-software { border-top: 4px solid var(--track-software); }

.track-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.track-card-ai .track-icon { background-color: var(--track-ai-bg); color: var(--track-ai); }
.track-card-embedded .track-icon { background-color: var(--track-embedded-bg); color: var(--track-embedded); }
.track-card-software .track-icon { background-color: var(--track-software-bg); color: var(--track-software); }

.track-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #0F172A;
}

.track-desc {
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
  color: var(--text-muted);
}

.track-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.track-skill-tag {
  font-size: 0.725rem;
  padding: 0.2rem 0.65rem;
  background-color: #F8FAFC;
  color: #475569;
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* Event Cards */
.events-split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

.event-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.event-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.event-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.event-date-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--ieee-blue-light);
  color: var(--ieee-blue);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  min-width: 60px;
  font-family: var(--font-heading);
}

.event-date-month {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.event-date-day {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
}

.event-title {
  font-size: 1.15rem;
  line-height: 1.3;
}

.event-title a {
  color: #0F172A;
}

.event-title a:hover {
  color: var(--ieee-blue);
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.event-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.event-seats-bar {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.seats-meter {
  height: 6px;
  background-color: #E2E8F0;
  border-radius: 3px;
  overflow: hidden;
}

.seats-meter-fill {
  height: 100%;
  background-color: var(--ieee-blue);
  border-radius: 3px;
}

.seats-meter-fill.warning {
  background-color: #D97706;
}

.seats-meter-fill.danger {
  background-color: #DC2626;
}

/* Past events compact list */
.past-events-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.past-event-item {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
}

/* Projects Gallery */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2rem;
}

.project-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.project-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.project-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.project-title a {
  color: #0F172A;
}

.project-title a:hover {
  color: var(--ieee-blue);
}

.project-summary {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.project-author {
  font-size: 0.8125rem;
  color: var(--text-subtle);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* Leadership Cards */
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.leader-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
}

.leader-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.leader-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background-color: var(--ieee-blue-light);
  color: var(--ieee-blue);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.15rem;
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 3px rgba(0, 98, 155, 0.15);
}

.leader-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: #0F172A;
}

.leader-role {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ieee-blue);
  margin-bottom: 0.35rem;
}

.leader-dept {
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-bottom: 0.85rem;
}

.leader-socials {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}

.leader-social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #F8FAFC;
  border: 1px solid var(--border-subtle);
  color: #475569;
  transition: all 0.18s ease;
}

.leader-social-btn:hover {
  background-color: var(--ieee-blue);
  color: #FFFFFF;
  border-color: var(--ieee-blue);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 98, 155, 0.3);
}

/* Forms */
.form-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: #0F172A;
  margin-bottom: 0.4rem;
}

.form-label .req {
  color: #DC2626;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-main);
  background-color: #FFFFFF;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--ieee-blue);
  box-shadow: 0 0 0 3px rgba(0, 98, 155, 0.18);
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: #DC2626;
  background-color: #FEF2F2;
}

.form-error {
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: #DC2626;
  font-weight: 500;
}

.form-hint {
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--text-subtle);
}

.checkbox-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-main);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 0.25rem;
}

/* Flash Alerts */
.alert {
  padding: 0.875rem 1.25rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  box-shadow: var(--shadow-sm);
}

.alert-success {
  background-color: #F0FDF4;
  border: 1px solid #BBF7D0;
  color: #166534;
}

.alert-error {
  background-color: #FEF2F2;
  border: 1px solid #FECACA;
  color: #991B1B;
}

/* Admin Table */
.table-container {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  background-color: #F8FAFC;
  padding: 0.85rem 1.15rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #475569;
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 0.95rem 1.15rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  vertical-align: middle;
}

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

.data-table tr:hover td {
  background-color: #F8FAFC;
}

/* Footer */
.footer {
  background-color: #0F172A;
  color: #94A3B8;
  margin-top: auto;
  padding-top: 4rem;
  padding-bottom: 2rem;
  border-top: 1px solid #1E293B;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-title {
  color: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

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

.footer-links a {
  color: #94A3B8;
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid,
  .events-split {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .tracks-grid,
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .leadership-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 4.5rem;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
    gap: 1rem;
  }

  .nav-links.is-open {
    display: flex;
  }

  .tracks-grid,
  .projects-grid,
  .leadership-grid,
  .metrics-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .checkbox-group {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}