/* ============================================
   LABIA - UFBA | Main Stylesheet
   ============================================ */


/* --- CSS Variables --- */
:root {
  --color-bg: #0a0f1a;
  --color-bg-alt: #111827;
  --color-bg-card: #161f33;
  --color-bg-card-hover: #1c2744;
  --color-surface: rgba(255, 255, 255, 0.03);
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);
  --color-text: #e8ecf4;
  --color-text-muted: #8892a8;
  --color-text-dim: #5a6378;
  --color-accent: #38bdf8;
  --color-accent-glow: rgba(56, 189, 248, 0.15);
  --color-accent-2: #a78bfa;
  --color-accent-3: #34d399;
  --color-gradient-1: linear-gradient(135deg, #38bdf8, #a78bfa);
  --color-gradient-2: linear-gradient(135deg, #38bdf8, #34d399);
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: #7dd3fc;
}

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

/* --- Utility --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.section-title em {
  font-style: italic;
  background: var(--color-gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.8;
}

/* --- Background Noise Texture --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: background var(--transition), padding var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.6rem 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
}

.nav-brand-logo {
  height: 52px;
  width: auto;
  display: block;
}

.hero-logo {
  height: 180px;
  width: auto;
  margin-top: 3rem;
  margin-bottom: 3rem;
  opacity: 0.95;
  display: block;
  animation: fadeInUp 0.8s ease-out both;
}

.nav-brand-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.nav-brand-text span {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-family: var(--font-body);
  font-weight: 400;
  margin-left: 0.5rem;
}

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

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all var(--transition);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
  background: var(--color-surface);
}

.nav-links a.active {
  color: var(--color-accent);
}

.nav-links a.nav-github {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 8px;
  color: var(--color-text-muted);
  transition: all var(--transition);
  margin-left: 0.25rem;
}

.nav-links a.nav-github:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.nav-links a.nav-github svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

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

.hero-bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: float 20s ease-in-out infinite;
}

.hero-bg .orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.3), transparent 70%);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.hero-bg .orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.25), transparent 70%);
  bottom: -10%;
  left: -5%;
  animation-delay: -7s;
}

.hero-bg .orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.2), transparent 70%);
  top: 40%;
  left: 30%;
  animation-delay: -14s;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black, transparent);
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black, transparent);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}

.hero-content {
  max-width: 760px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-accent-glow);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero h1 em {
  font-style: italic;
  background: var(--color-gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  animation: fadeInUp 0.8s ease-out 0.3s both;
  margin-bottom: 4rem;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.45;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
  transform-origin: top;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.45; }
  50% { transform: scaleY(0.5); opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: var(--color-gradient-1);
  color: #0a0f1a;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.3);
  color: #0a0f1a;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
  background: var(--color-surface);
}

/* --- Stats Bar --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: -3rem;
  position: relative;
  z-index: 2;
}

.stat-item {
  background: var(--color-bg-card);
  padding: 2rem 2.5rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  background: var(--color-gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* --- Research Areas Cards --- */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.area-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.area-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-gradient-1);
  opacity: 0;
  transition: opacity var(--transition);
}

.area-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
}

.area-card:hover::before {
  opacity: 1;
}

.area-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.area-icon.ai { background: rgba(56, 189, 248, 0.1); color: var(--color-accent); }
.area-icon.ml { background: rgba(167, 139, 250, 0.1); color: var(--color-accent-2); }
.area-icon.ds { background: rgba(52, 211, 153, 0.1); color: var(--color-accent-3); }
.area-icon.opt { background: rgba(251, 191, 36, 0.1); color: #fbbf24; }

.area-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.area-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Tags --- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* --- Faculty Section --- */
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.faculty-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition);
}

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

.faculty-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.faculty-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-bg);
  flex-shrink: 0;
}

.faculty-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
}

.faculty-role {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-top: 0.15rem;
}

.faculty-bio {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.faculty-area {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-bottom: 0.5rem;
}

.faculty-area strong {
  color: var(--color-text-muted);
  font-weight: 500;
}

.faculty-contact {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-bottom: 1.25rem;
}

.faculty-contact strong {
  color: var(--color-text-muted);
  font-weight: 500;
}

.faculty-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.faculty-link {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all var(--transition);
}

.faculty-link:hover {
  color: var(--color-accent);
  border-color: rgba(56, 189, 248, 0.3);
  background: var(--color-accent-glow);
}

/* --- Applications Section --- */
.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.app-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all var(--transition);
}

.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
}

.app-emoji {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.app-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.app-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- About Section --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}

.about-text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}

.about-text p + p {
  margin-top: 1.25rem;
}

.about-highlights {
  display: grid;
  gap: 1.5rem;
}

.about-highlight {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.about-highlight h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.about-highlight p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Publications Page --- */
.page-header {
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.08), transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
}

.pub-note {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-top: 2rem;
}

.pub-note p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.pub-faculty-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.pub-faculty-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.pub-faculty-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.pub-faculty-item .faculty-links {
  margin-top: 0;
}

/* --- Contact Section / Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.contact-info {
  display: grid;
  gap: 1.5rem;
}

.contact-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.contact-item h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  min-height: 300px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 300px;
  border: none;
  filter: grayscale(0.8) invert(0.92) contrast(0.9);
}

/* --- CTA Section --- */
.cta-section {
  padding: 6rem 0;
  text-align: center;
}

.cta-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 60% 40%, rgba(56, 189, 248, 0.06), transparent 50%);
}

.cta-box > * {
  position: relative;
}

.cta-box .section-title {
  margin-bottom: 1rem;
}

.cta-box .section-description {
  margin: 0 auto 2rem;
  text-align: center;
}

/* --- Former Members Table --- */
.former-group {
  margin-top: 2.5rem;
}

.former-table-wrap--top {
  margin-top: 2.5rem;
}

.former-group-label {
  margin-bottom: 0.75rem;
}

.former-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.former-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.former-table thead tr {
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
}

.former-table th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.former-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.former-table tbody tr:last-child {
  border-bottom: none;
}

.former-table tbody tr:hover {
  background: var(--color-surface);
}

.former-table td {
  padding: 1rem 1.25rem;
  color: var(--color-text);
  vertical-align: middle;
  line-height: 1.5;
}

.former-name {
  font-weight: 500;
  white-space: nowrap;
  color: var(--color-text) !important;
}

.former-period {
  white-space: nowrap;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.former-about {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.degree-badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.degree-badge.phd {
  background: rgba(167, 139, 250, 0.12);
  color: #a78bfa;
  border: 1px solid rgba(167, 139, 250, 0.25);
}

.degree-badge.msc {
  background: rgba(56, 189, 248, 0.1);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.degree-badge.postdoc {
  background: rgba(52, 211, 153, 0.1);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.degree-badge.ic {
  background: rgba(251, 191, 36, 0.1);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.2);
}

.degree-badge.spec {
  background: rgba(251, 146, 60, 0.1);
  color: #fb923c;
  border: 1px solid rgba(251, 146, 60, 0.2);
}

.former-empty {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
  padding: 1rem 0 0.5rem;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-text {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-text-muted);
}

/* --- Mobile Menu --- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 15, 26, 0.95);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.5rem 1rem;
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--color-text);
}

.mobile-menu-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 2rem;
  cursor: pointer;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero-logo {
    height: 68px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
    margin-top: -1.5rem;
  }

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

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

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

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .section {
    padding: 4rem 0;
  }

  .page-header {
    padding: 7rem 0 3rem;
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
  }
}