@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- CSS Variables & Design System --- */
:root {
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Colors */
  --color-bg-dark: #090d16;
  --color-bg-deep: #0f172a;
  --color-bg-slate: #1e293b;
  --color-bg-light: #f8fafc;
  --color-bg-card-light: #ffffff;
  --color-bg-card-dark: #1e293b90;

  --color-primary: #0ea5e9;
  /* Cyan / Blue */
  --color-primary-hover: #38bdf8;
  --color-secondary: #0d9488;
  /* Teal */
  --color-secondary-hover: #14b8a6;
  --color-accent: #f59e0b;
  /* Amber Gold */

  --color-text-dark: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #f1f5f9;
  --color-text-white: #ffffff;

  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 25px rgba(14, 165, 233, 0.25);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text-dark);
}

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

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

ul {
  list-style: none;
}

/* --- Container & Utilities --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 40px 0;
  position: relative;
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-white);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 12px;
  padding: 4px 12px;
  background: rgba(14, 165, 233, 0.1);
  border-radius: 100px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.section-dark .section-subtitle {
  color: #94a3b8;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-text-white);
  box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.5);
  opacity: 0.95;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-white);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background-color: rgba(14, 165, 233, 0.1);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-light {
  background-color: var(--color-bg-card-light);
  color: var(--color-text-dark);
  box-shadow: var(--shadow-sm);
}

.btn-light:hover {
  background-color: #f1f5f9;
  transform: translateY(-2px);
}

/* --- Header / Navigation --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  /* transition: var(--transition-normal); */
}

header.sticky {
  background-color: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  /* border-bottom: 1px solid rgba(255, 255, 255, 0.05); */
  box-shadow: var(--shadow-md);
  position: fixed;
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  padding-bottom: 20px;
  transition: padding var(--transition-normal);
}

header.sticky .navbar-container {
  padding-top: 12px;
  padding-bottom: 12px;
}

/* --- Deadline Notification Bar --- */
.deadline-banner {
  background: linear-gradient(90deg, rgba(9, 13, 22, 0.95), rgba(15, 23, 42, 0.95));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
  width: 100%;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-text-light);
  /* transition: max-height var(--transition-normal), padding var(--transition-normal), opacity var(--transition-normal), border-bottom var(--transition-normal); */
  max-height: 100px;
  overflow: hidden;
  opacity: 1;
}

header.sticky .deadline-banner {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  border-bottom: 0 solid transparent;
  pointer-events: none;
}

.deadline-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24%;
  flex-wrap: wrap;
}

.deadline-item {
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.02em;
}

.deadline-icon {
  color: var(--color-primary);
  font-size: 0.95rem;
}

.deadline-item span {
  font-weight: 500;
}

.deadline-date {
  color: var(--color-accent);
  font-weight: 700;
}

.deadline-divider {
  color: rgba(255, 255, 255, 0.15);
  font-weight: 300;
}

@media (max-width: 768px) {
  .deadline-divider {
    display: none;
  }

  .deadline-container {
    gap: 6px;
    flex-direction: column;
    text-align: center;
  }

  .deadline-banner {
    padding: 10px 0;
    max-height: 120px;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-text-white);
  letter-spacing: -0.02em;
}

.logo-text span {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-normal);
}

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

.nav-btn {
  padding: 10px 22px;
  font-size: 0.9rem;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-white);
  margin: 6px 0;
  transition: var(--transition-normal);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(9, 13, 22, 0.75) 0%, rgba(9, 13, 22, 0.85) 100%),
    url('images/hero_bg.png') no-repeat center center / cover;
  padding-top: 140px;
  padding-bottom: 160px;
  color: var(--color-text-white);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  /* background: linear-gradient(to top, var(--color-bg-light), transparent); */
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
  z-index: 10;
}

.hero-organizer {
  margin-bottom: 20px;
}

.hero-logo-img {
  max-width: 200px;
  height: auto;
  margin: 0 auto;
  display: block;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 165, 233, 0.15);
  border: 1px solid rgba(14, 165, 233, 0.3);
  padding: 8px 16px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 24px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.4);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(14, 165, 233, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(14, 165, 233, 0);
  }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 40%, #e2e8f0 70%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #e2e8f0;
  margin-bottom: 36px;
  font-weight: 400;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-bottom: 40px;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.05rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 20px;
  border-radius: 50px;
}

.hero-meta-item i {
  color: var(--color-primary);
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* --- Quick Info Grid --- */
.quick-info {
  margin-top: -80px;
  position: relative;
  z-index: 20;
}

.quick-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.quick-card {
  background: var(--color-bg-card-light);
  border-radius: var(--border-radius-md);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(226, 232, 240, 0.8);
  display: flex;
  gap: 20px;
  transition: var(--transition-slow);
}

.quick-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.quick-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-sm);
  background: rgba(14, 165, 233, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.quick-card-body h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.quick-card-body p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.4;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.about-highlight-item i {
  color: var(--color-secondary);
  font-size: 1.2rem;
  margin-top: 4px;
}

.about-highlight-item h5 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.about-highlight-item p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Glass card features list */
.features-box {
  background: linear-gradient(135deg, var(--color-bg-slate), var(--color-bg-dark));
  color: var(--color-text-white);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.features-box h4 {
  font-size: 1.5rem;
  margin-bottom: 24px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 24px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
}

.feature-item i {
  color: var(--color-primary);
  font-size: 0.9rem;
}

/* --- Scientific Sessions --- */
.sessions-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  padding: 10px 24px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
}

.tab-btn:hover,
.tab-btn.active {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 0.6875rem;
}

.session-card {
  background-color: var(--color-bg-slate);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  padding: 0.75rem;
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  /* gap: 16px; */
}

.session-card:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.1);
}

.session-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(14, 165, 233, 0.15);
  line-height: 1;
}

.session-card:hover .session-num {
  color: rgba(14, 165, 233, 0.3);
}

.session-card h4 {
  font-size: 1.25rem;
  color: var(--color-text-white);
}

.session-card p {
  font-size: 0.95rem;
  color: #94a3b8;
  line-height: 1.5;
}

/* --- Committee & Winners Section --- */
.winners-section {
  background: linear-gradient(180deg, var(--color-bg-light) 0%, #edf2f7 100%);
}

.winners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.winner-card {
  background: var(--color-bg-card-light);
  border-radius: var(--border-radius-md);
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(226, 232, 240, 0.6);
  position: relative;
  overflow: hidden;
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.winner-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.winner-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: linear-gradient(135deg, var(--color-accent), #fcd34d);
  color: var(--color-text-dark);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
}

.winner-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-white);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(14, 165, 233, 0.2);
  border: 4px solid var(--color-text-white);
}

.winner-card h4 {
  font-size: 1.25rem;
  margin-bottom: 6px;
}

.winner-sub {
  font-size: 0.85rem;
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: 16px;
}

.winner-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  border-top: 1px solid #e2e8f0;
  padding-top: 16px;
  width: 100%;
}

.winner-desc strong {
  color: var(--color-text-dark);
}

/* --- Committee List --- */
.committee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.committee-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  padding: 30px 24px;
  text-align: center;
  transition: var(--transition-normal);
}

.committee-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.committee-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 2rem;
  font-weight: 600;
  margin: 0 auto 20px;
  border: 2px solid rgba(14, 165, 233, 0.2);
}

.committee-card h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.committee-role {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.committee-inst {
  font-size: 0.85rem;
  color: #94a3b8;
  line-height: 1.4;
}

/* --- Registration Section --- */
.pricing-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.pricing-switcher {
  display: flex;
  background: #f1f5f9;
  padding: 4px;
  border-radius: 100px;
  border: 1px solid #e2e8f0;
}

.pricing-switch-btn {
  background: transparent;
  border: none;
  padding: 10px 24px;
  border-radius: 100px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--color-text-muted);
}

.pricing-switch-btn.active {
  background-color: var(--color-bg-dark);
  color: var(--color-text-white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--color-bg-card-light);
  border-radius: var(--border-radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(226, 232, 240, 0.8);
  text-align: center;
  position: relative;
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.preferred {
  border: 2px solid var(--color-primary);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.15);
}

.pricing-card.preferred::before {
  /* content: 'Best Option'; */
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-text-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card-header h4 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--color-text-dark);
}

.pricing-amount {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-text-dark);
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.pricing-currency {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 4px;
  margin-right: 2px;
}

.pricing-duration {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.pricing-features {
  text-align: left;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  margin-bottom: 12px;
  color: var(--color-text-muted);
}

.pricing-features li i {
  color: var(--color-secondary);
  font-size: 0.95rem;
}

.pricing-card .btn {
  width: 100%;
}

/* --- Stats & Report Section --- */
.report-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.report-text h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  line-height: 1.3;
}

.report-text p {
  color: #94a3b8;
  margin-bottom: 24px;
  font-size: 1rem;
  line-height: 1.7;
}

.report-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  padding: 30px;
  text-align: center;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: #94a3b8;
  font-weight: 500;
}

/* Custom CSS Charts */
.report-visuals {
  background: var(--color-bg-slate);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.chart-title {
  font-size: 1.15rem;
  margin-bottom: 24px;
  color: var(--color-text-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 12px;
}

.chart-bars {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.chart-bar-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chart-bar-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 500;
}

.chart-bar-bg {
  width: 100%;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 5px;
  overflow: hidden;
}

.chart-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 5px;
  width: 0;
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Sponsors / Patrons --- */
.sponsors-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin-bottom: 40px;
}

.sponsor-logo {
  width: 160px;
  height: 80px;
  background-color: var(--color-bg-card-light);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.8);
  padding: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-normal);
}

.sponsor-logo:hover {
  transform: scale(1.05);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* --- Footer --- */
footer {
  background-color: #05080f;
  color: #94a3b8;
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-info-logo {
  margin-bottom: 24px;
}

.footer-info-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 1rem;
}

.social-link:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer-links-col h4,
.footer-subscribe-col h4 {
  color: var(--color-text-white);
  font-size: 1.15rem;
  margin-bottom: 24px;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.95rem;
  color: #94a3b8;
}

.footer-link:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.subscribe-desc {
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.form-group-custom {
  display: flex;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
  padding: 4px;
}

.form-group-custom input {
  background: transparent;
  border: none;
  padding: 12px 20px;
  color: var(--color-text-white);
  flex-grow: 1;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
}

.form-group-custom input::placeholder {
  color: #64748b;
}

.form-group-custom button {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.form-group-custom button:hover {
  background-color: var(--color-primary-hover);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

/* --- Mobile Menu System --- */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg-dark);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-weight: 700;
  /* font-size: 1.8rem; */
  color: var(--color-text-white);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .quick-info-grid {
    grid-template-columns: 1fr;
  }

  .quick-info {
    margin-top: -40px;
  }

  .about-grid,
  .report-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .winners-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .navbar-container {
    padding: 0 12px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-btns {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .committee-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin: 0 auto;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}