/* ============================================
   CU ROBOTICS - Modern Website Styles
   CU Boulder Black & Gold Theme
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (Theme Variables)
   ============================================ */
:root {
  /* CU Boulder Official Colors */
  --cu-black: #000000;
  --cu-gold: #CFB87C;
  --cu-gold-light: #E8D9A9;
  --cu-gold-dark: #A89554;
  --cu-silver: #E8E4D8;
  --cu-charcoal: #1C1C1C;
  --cu-charcoal-light: #2A2A2A;
  --cu-white: #FFFFFF;

  /* Functional Colors */
  --bg-primary: var(--cu-black);
  --bg-secondary: var(--cu-charcoal);
  --bg-tertiary: var(--cu-charcoal-light);
  --text-primary: var(--cu-white);
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.6);
  --accent: var(--cu-gold);
  --accent-glow: rgba(207, 184, 124, 0.4);

  /* Typography */
  --font-display: 'Space Grotesk', 'Montserrat', sans-serif;
  --font-body: 'Inter', 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --border-gold: 2px solid var(--cu-gold);

  /* Shadows & Glows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --glow-gold: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-glow);
  --glow-gold-sm: 0 0 10px var(--accent-glow);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1400px;
  --container-narrow: 980px;
  --nav-height: 80px;
  --nav-height-scrolled: 64px;
}

/* ============================================
   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(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.text-gold {
  color: var(--cu-gold);
}

.text-gradient {
  background: linear-gradient(135deg, var(--cu-gold) 0%, var(--cu-gold-light) 50%, var(--cu-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mono {
  font-family: var(--font-mono);
}

/* Gold underline accent */
.gold-underline {
  position: relative;
  display: inline-block;
}

.gold-underline::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--cu-gold) 0%, var(--cu-gold-light) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.gold-underline:hover::after,
.gold-underline.active::after {
  transform: scaleX(1);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-sm {
  padding: var(--space-xl) 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Asymmetric layouts */
.grid-60-40 {
  grid-template-columns: 1.5fr 1fr;
}

.grid-40-60 {
  grid-template-columns: 1fr 1.5fr;
}

/* Flexbox utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-col {
  flex-direction: column;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ============================================
   NAVIGATION - Glassmorphism Style
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(207, 184, 124, 0.1);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  height: var(--nav-height-scrolled);
}

.navbar.scrolled::before {
  background: rgba(0, 0, 0, 0.9);
  border-bottom-color: rgba(207, 184, 124, 0.2);
}

.navbar-content {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.02);
}

.logo img {
  height: 48px;
  width: auto;
  transition: var(--transition-base);
}

.navbar.scrolled .logo img {
  height: 40px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cu-white);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--cu-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cu-gold);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-cta {
  margin-left: var(--space-md);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--cu-gold);
  transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cu-gold) 0%, var(--cu-gold-dark) 100%);
  color: var(--cu-black);
  box-shadow: var(--shadow-md), var(--glow-gold-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-gold);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--cu-gold);
  border: 2px solid var(--cu-gold);
}

.btn-outline:hover {
  background: var(--cu-gold);
  color: var(--cu-black);
  box-shadow: var(--glow-gold-sm);
}

.btn-ghost {
  background: rgba(207, 184, 124, 0.1);
  color: var(--cu-gold);
  border: 1px solid rgba(207, 184, 124, 0.3);
}

.btn-ghost:hover {
  background: rgba(207, 184, 124, 0.2);
  border-color: var(--cu-gold);
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.85rem;
}

/* Button shimmer effect */
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-bg img,
.hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Parallax container */
.hero-parallax {
  position: absolute;
  inset: -20%;
  z-index: -2;
}

.hero-parallax img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

/* Hero overlays */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.6) 0%,
    rgba(0, 0, 0, 0.4) 40%,
    rgba(0, 0, 0, 0.2) 100%
  );
}

/* Circuit board pattern overlay */
.hero-pattern {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 10h80v80H10z' fill='none' stroke='%23CFB87C' stroke-width='0.5'/%3E%3Cpath d='M30 10v20h20V10M50 30h20v20H50M30 50v20h-20V50M50 70v20h20V70' fill='none' stroke='%23CFB87C' stroke-width='0.5'/%3E%3Ccircle cx='30' cy='30' r='3' fill='%23CFB87C'/%3E%3Ccircle cx='70' cy='30' r='3' fill='%23CFB87C'/%3E%3Ccircle cx='30' cy='70' r='3' fill='%23CFB87C'/%3E%3Ccircle cx='70' cy='70' r='3' fill='%23CFB87C'/%3E%3C/svg%3E");
  background-size: 100px 100px;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(207, 184, 124, 0.1);
  border: 1px solid rgba(207, 184, 124, 0.3);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cu-gold);
  letter-spacing: 0.05em;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--cu-gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.hero-title span {
  display: block;
}

.hero-title .line-1 {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 400;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: var(--space-sm);
}

.hero-title .line-2 {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 800;
  color: var(--cu-white);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.95;
}

.hero-title .line-2 .gold {
  color: var(--cu-gold);
  text-shadow: var(--glow-gold-sm);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* Geometric decorations */
.hero-shapes {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.shape {
  position: absolute;
  border: 1px solid rgba(207, 184, 124, 0.2);
}

.shape-1 {
  width: 300px;
  height: 300px;
  right: 10%;
  top: 20%;
  transform: rotate(45deg);
  animation: float 8s ease-in-out infinite;
}

.shape-2 {
  width: 150px;
  height: 150px;
  right: 25%;
  bottom: 25%;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: rgba(207, 184, 124, 0.05);
  animation: float 6s ease-in-out infinite reverse;
}

.shape-3 {
  width: 200px;
  height: 200px;
  left: 5%;
  bottom: 15%;
  clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
  background: rgba(207, 184, 124, 0.03);
  animation: rotate 20s linear infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(45deg); }
  50% { transform: translateY(-20px) rotate(45deg); }
}

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

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--cu-gold);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
  stroke: var(--cu-gold);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   DIAGONAL SECTION DIVIDERS
   ============================================ */
.diagonal-top {
  position: relative;
}

.diagonal-top::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: inherit;
  transform: skewY(-3deg);
  transform-origin: top left;
  z-index: -1;
}

.diagonal-bottom {
  position: relative;
}

.diagonal-bottom::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: 0;
  right: 0;
  height: 100px;
  background: inherit;
  transform: skewY(-3deg);
  transform-origin: bottom right;
}

/* Gold line divider */
.divider-gold {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cu-gold), transparent);
  margin: var(--space-xl) 0;
}

.divider-gold-angled {
  position: relative;
  height: 4px;
  background: var(--cu-gold);
  transform: skewX(-20deg);
  margin: var(--space-2xl) auto;
  max-width: 200px;
  box-shadow: var(--glow-gold-sm);
}

/* Animated Geometric Background */
.geo-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -10;
  overflow: hidden;
  background: linear-gradient(180deg, var(--cu-black) 0%, #0a0a0a 50%, var(--cu-charcoal) 100%);
}

.geo-background canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Floating geometric shapes background */
.geo-shapes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -9;
  overflow: hidden;
  pointer-events: none;
}

.geo-shape {
  position: absolute;
  opacity: 0.06;
  border: 1px solid var(--cu-gold);
}

.geo-shape.hexagon {
  width: 100px;
  height: 115px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: linear-gradient(135deg, var(--cu-gold) 0%, transparent 100%);
}

.geo-shape.triangle {
  width: 80px;
  height: 80px;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: linear-gradient(180deg, var(--cu-gold) 0%, transparent 100%);
}

.geo-shape.square {
  width: 60px;
  height: 60px;
  transform: rotate(45deg);
  background: transparent;
  border: 1px solid var(--cu-gold);
}

.geo-shape.circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(207, 184, 124, 0.1) 0%, transparent 70%);
  border: 1px solid rgba(207, 184, 124, 0.2);
}

/* Animated floating */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(5deg); }
}

@keyframes floatMedium {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(-3deg); }
}

@keyframes floatFast {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(8deg); }
}

@keyframes driftLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100px); }
}

@keyframes driftRight {
  0% { transform: translateX(0); }
  100% { transform: translateX(100px); }
}

.geo-shape:nth-child(1) { top: 10%; left: 5%; animation: floatSlow 20s ease-in-out infinite; }
.geo-shape:nth-child(2) { top: 20%; right: 10%; animation: floatMedium 15s ease-in-out infinite; }
.geo-shape:nth-child(3) { top: 40%; left: 15%; animation: floatFast 12s ease-in-out infinite; }
.geo-shape:nth-child(4) { top: 60%; right: 20%; animation: floatSlow 18s ease-in-out infinite; }
.geo-shape:nth-child(5) { top: 75%; left: 8%; animation: floatMedium 14s ease-in-out infinite; }
.geo-shape:nth-child(6) { top: 30%; left: 70%; animation: floatFast 16s ease-in-out infinite; }
.geo-shape:nth-child(7) { top: 85%; right: 5%; animation: floatSlow 22s ease-in-out infinite; }
.geo-shape:nth-child(8) { top: 50%; left: 40%; animation: floatMedium 19s ease-in-out infinite; }
.geo-shape:nth-child(9) { top: 15%; left: 50%; animation: floatFast 13s ease-in-out infinite; }
.geo-shape:nth-child(10) { top: 70%; right: 35%; animation: floatSlow 17s ease-in-out infinite; }

/* Grid overlay effect */
.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -8;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(207, 184, 124, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(207, 184, 124, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--bg-secondary);
  border: 1px solid rgba(207, 184, 124, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cu-gold), var(--cu-gold-light), var(--cu-gold));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(207, 184, 124, 0.3);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(207, 184, 124, 0.1);
}

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

.card-gold {
  border-color: var(--cu-gold);
  box-shadow: var(--glow-gold-sm);
}

.card-gold::before {
  opacity: 1;
}

/* Floating card effect */
.card-float {
  animation: cardFloat 6s ease-in-out infinite;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ============================================
   MISSION SECTION
   ============================================ */
.mission {
  background: transparent;
  position: relative;
}

/* Content wrapper for sections - solid background for readability */
.content-block {
  background: rgba(15, 15, 15, 0.92);
  border: 1px solid rgba(207, 184, 124, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(207, 184, 124, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.02);
  position: relative;
}

.content-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(207, 184, 124, 0.3), transparent);
}

/* CTA Section */
.cta-section {
  background: transparent;
}

.cta-section .content-block {
  max-width: 800px;
  margin: 0 auto;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.mission-video {
  margin-top: var(--space-2xl);
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(207, 184, 124, 0.2);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.mission-item {
  text-align: center;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--bg-tertiary);
  border: 1px solid rgba(207, 184, 124, 0.1);
  transition: all var(--transition-base);
}

.mission-item:hover {
  border-color: var(--cu-gold);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), var(--glow-gold-sm);
}

.mission-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(207, 184, 124, 0.2) 0%, rgba(207, 184, 124, 0.05) 100%);
  border: 1px solid rgba(207, 184, 124, 0.3);
}

.mission-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--cu-gold);
  fill: none;
  stroke-width: 1.5;
}

.mission-item h4 {
  color: var(--cu-gold);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Stats counter */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  background: rgba(207, 184, 124, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(207, 184, 124, 0.2);
}

.stats-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--cu-gold);
  line-height: 1;
  text-shadow: var(--glow-gold-sm);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-sm);
}

/* ============================================
   COMPETITION SECTION
   ============================================ */
.competition {
  background: transparent;
  position: relative;
  overflow: hidden;
}

.competition-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.competition-content {
  position: relative;
  z-index: 1;
}

.competition-visual {
  position: relative;
}

.trophy-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.trophy-glow {
  display: none;
}

.trophy-icon {
  border-radius: var(--radius-lg);
  box-shadow: 0 0 40px 10px var(--accent-glow);
  overflow: hidden;
}

/* Info cards in competition */
.competition-cards {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.comp-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--cu-gold);
  transition: all var(--transition-base);
}

.comp-card:hover {
  background: var(--bg-tertiary);
  transform: translateX(8px);
}

.comp-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(207, 184, 124, 0.1);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.comp-card-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--cu-gold);
}

/* ============================================
   ROBOT SHOWCASE / 3D VIEWER
   ============================================ */
.robot-showcase {
  background: transparent;
  position: relative;
}

.robot-viewer-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid var(--cu-gold);
  box-shadow: var(--shadow-xl), var(--glow-gold);
}

.robot-viewer {
  width: 100%;
  height: 500px;
  background: radial-gradient(ellipse at center, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
  position: relative;
}

.viewer-tap-overlay {
  display: none;
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
  z-index: 20;
  cursor: pointer;
  transition: opacity var(--transition-base);
}

.viewer-tap-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.tap-overlay-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  color: var(--cu-gold);
  text-align: center;
}

.tap-overlay-content svg {
  opacity: 0.8;
  animation: pulse-glow 2s ease-in-out infinite;
}

.tap-overlay-content span {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.robot-viewer-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(180deg, rgba(0,0,0,0.8) 0%, transparent 100%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
}

.viewer-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cu-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.viewer-controls {
  display: flex;
  gap: var(--space-sm);
}

.viewer-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(207, 184, 124, 0.1);
  border: 1px solid rgba(207, 184, 124, 0.3);
  border-radius: var(--radius-sm);
  color: var(--cu-gold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.viewer-btn:hover {
  background: var(--cu-gold);
  color: var(--cu-black);
}

.viewer-btn.active {
  background: var(--cu-gold);
  color: var(--cu-black);
}

.robot-viewer-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, transparent 100%);
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  z-index: 10;
}

/* Loading indicator */
.viewer-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  z-index: 20;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid rgba(207, 184, 124, 0.2);
  border-top-color: var(--cu-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cu-gold);
}

/* Placeholder state */
.viewer-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--space-xl);
  text-align: center;
}

.placeholder-icon {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(207, 184, 124, 0.1);
  border: 2px dashed var(--cu-gold);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.placeholder-icon svg {
  width: 60px;
  height: 60px;
  stroke: var(--cu-gold);
  opacity: 0.6;
}

/* Robot selector/carousel */
.robot-selector {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.robot-thumb {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-md);
  border: 2px solid rgba(207, 184, 124, 0.2);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}

.robot-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.robot-thumb:hover {
  border-color: var(--cu-gold);
  transform: scale(1.05);
}

.robot-thumb.active {
  border-color: var(--cu-gold);
  box-shadow: var(--glow-gold-sm);
}

.robot-thumb.active::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(207, 184, 124, 0.2);
}

/* ============================================
   ACHIEVEMENTS PAGE
   ============================================ */
.achievements-timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.achievements-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cu-gold), rgba(207, 184, 124, 0.2));
}

.achievement-year {
  margin-bottom: var(--space-2xl);
  position: relative;
}

.year-marker {
  position: absolute;
  left: calc(-1 * var(--space-2xl) - 12px);
  width: 24px;
  height: 24px;
  background: var(--cu-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-gold);
}

.year-marker::after {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--cu-black);
  border-radius: 50%;
}

.year-label {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--cu-gold);
  margin-bottom: var(--space-lg);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.achievement-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(207, 184, 124, 0.1);
  transition: all var(--transition-base);
}

.achievement-card:hover {
  border-color: var(--cu-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--glow-gold-sm);
}

.achievement-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 2px solid var(--cu-gold);
}

.achievement-content {
  padding: var(--space-lg);
}

.achievement-award {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: linear-gradient(135deg, var(--cu-gold) 0%, var(--cu-gold-dark) 100%);
  color: var(--cu-black);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.achievement-competition {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cu-white);
  margin-bottom: var(--space-xs);
}

.achievement-description {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================================
   TEAM / LEADERS PAGE
   ============================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.team-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(207, 184, 124, 0.1);
  transition: all var(--transition-base);
}

.team-card:hover {
  border-color: var(--cu-gold);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), var(--glow-gold-sm);
}

.team-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  overflow: hidden;
  border: 3px solid var(--cu-gold);
  box-shadow: var(--glow-gold-sm);
  position: relative;
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.team-card:hover .team-photo img {
  transform: scale(1.1);
}

.team-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cu-white);
  margin-bottom: var(--space-xs);
}

.team-role {
  font-size: 0.95rem;
  color: var(--cu-gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.team-major {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.team-bio {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.team-socials {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.team-socials a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(207, 184, 124, 0.1);
  border-radius: 50%;
  color: var(--cu-gold);
  transition: all var(--transition-fast);
}

.team-socials a:hover {
  background: var(--cu-gold);
  color: var(--cu-black);
}

/* Leadership section header */
.leadership-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.leadership-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.leadership-divider span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cu-gold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.leadership-divider::before,
.leadership-divider::after {
  content: '';
  width: 100px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cu-gold));
}

.leadership-divider::after {
  background: linear-gradient(90deg, var(--cu-gold), transparent);
}

/* Leadership Timeline */
.leadership-timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.leadership-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cu-gold), rgba(207, 184, 124, 0.2));
}

.leadership-year {
  margin-bottom: var(--space-3xl);
  position: relative;
}

.leadership-year:last-child {
  margin-bottom: 0;
}

.leadership-year .year-marker {
  position: absolute;
  left: calc(-1 * var(--space-2xl) - 12px);
  width: 24px;
  height: 24px;
  background: var(--cu-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-gold);
  z-index: 1;
}

.leadership-year .year-marker::after {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--cu-black);
  border-radius: 50%;
}

.year-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.year-header .year-label {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--cu-gold);
  margin: 0;
}

.season-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(207, 184, 124, 0.1);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(207, 184, 124, 0.2);
}

/* Groups displayed in columns */
.leadership-groups-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.leadership-group {
  background: rgba(20, 20, 20, 0.5);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid rgba(207, 184, 124, 0.1);
}

.group-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cu-gold);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid rgba(207, 184, 124, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.leadership-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.leader-card {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  text-align: left;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: rgba(28, 28, 28, 0.6);
  border-radius: var(--radius-md);
  border: 1px solid rgba(207, 184, 124, 0.1);
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
}

.leader-card:hover {
  border-color: rgba(207, 184, 124, 0.3);
  background: rgba(28, 28, 28, 0.95);
  z-index: 10;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.leader-card:hover .leader-bio {
  -webkit-line-clamp: unset;
  display: block;
}

.leader-card.leader-current {
  border-color: rgba(207, 184, 124, 0.25);
  background: rgba(207, 184, 124, 0.04);
}

.leader-card.leader-tbd {
  opacity: 0.6;
  border-style: dashed;
}

.leader-card.leader-tbd:hover {
  opacity: 0.9;
}

.leader-photo {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--cu-gold);
  box-shadow: 0 0 8px rgba(207, 184, 124, 0.25);
}

.leader-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.current-badge,
.tbd-badge {
  display: none;
}

.leader-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.leader-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cu-white);
  margin-bottom: 0;
  line-height: 1.2;
}

.leader-role {
  font-size: 0.7rem;
  color: var(--cu-gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0;
  line-height: 1.3;
}

.leader-major {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.leader-bio {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 3px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.leader-socials {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.leader-socials a {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(207, 184, 124, 0.08);
  border: 1px solid rgba(207, 184, 124, 0.2);
  border-radius: 50%;
  color: var(--cu-gold);
  transition: all var(--transition-fast);
}

.leader-socials a svg {
  width: 12px;
  height: 12px;
}

.leader-socials a:hover {
  background: var(--cu-gold);
  border-color: var(--cu-gold);
  color: var(--cu-black);
}

/* Leadership page responsive */
@media (min-width: 1400px) {
  .leadership-groups-container {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1399px) and (min-width: 1100px) {
  .leadership-groups-container {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1099px) and (min-width: 700px) {
  .leadership-groups-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 699px) {
  .leadership-groups-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .leadership-timeline {
    padding-left: var(--space-lg);
  }

  .leadership-year .year-marker {
    left: calc(-1 * var(--space-lg) - 8px);
    width: 16px;
    height: 16px;
  }

  .leadership-year .year-marker::after {
    width: 6px;
    height: 6px;
  }

  .year-header {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .year-header .year-label {
    font-size: 1.3rem;
  }
}

/* ============================================
   PROJECTS PAGE
   ============================================ */
.projects-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid rgba(207, 184, 124, 0.2);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--cu-gold);
  border-color: var(--cu-gold);
  background: rgba(207, 184, 124, 0.1);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid rgba(207, 184, 124, 0.1);
  transition: all var(--transition-base);
}

.project-card:hover {
  border-color: var(--cu-gold);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), var(--glow-gold-sm);
}

.project-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.8) 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.project-tag {
  padding: var(--space-xs) var(--space-sm);
  background: rgba(207, 184, 124, 0.2);
  color: var(--cu-gold);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.project-content {
  padding: var(--space-lg);
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cu-white);
  margin-bottom: var(--space-sm);
}

.project-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--cu-gold);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: gap var(--transition-fast);
}

.project-link:hover {
  gap: var(--space-sm);
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-xl));
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contact-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(207, 184, 124, 0.1);
  border: 1px solid rgba(207, 184, 124, 0.3);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--cu-gold);
}

.contact-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.contact-value {
  font-size: 1.1rem;
  color: var(--cu-white);
}

.contact-value a {
  color: var(--cu-gold);
  text-decoration: none;
}

.contact-value a:hover {
  text-decoration: underline;
}

/* Contact form */
.contact-form {
  background: var(--bg-secondary);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(207, 184, 124, 0.1);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--cu-white);
  background: var(--bg-tertiary);
  border: 1px solid rgba(207, 184, 124, 0.2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--cu-gold);
  box-shadow: 0 0 0 3px rgba(207, 184, 124, 0.1), var(--glow-gold-sm);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* Social links grid */
.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.social-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--bg-tertiary);
  border: 1px solid rgba(207, 184, 124, 0.1);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
}

.social-link:hover {
  border-color: var(--cu-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--glow-gold-sm);
}

.social-link svg,
.social-link img {
  width: 32px;
  height: 32px;
}

.social-link span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: rgba(15, 15, 15, 0.9);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: var(--space-2xl) 0 var(--space-lg);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cu-gold), var(--cu-gold-light), var(--cu-gold));
  transform: skewX(-20deg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-logo img {
  height: 48px;
}

.footer-logo span {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cu-white);
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.footer-heading {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cu-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--cu-gold);
}

/* Newsletter signup */
.newsletter-form {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.newsletter-input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  color: var(--cu-white);
  background: var(--bg-tertiary);
  border: 1px solid rgba(207, 184, 124, 0.2);
  border-radius: var(--radius-sm);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--cu-gold);
}

.newsletter-btn {
  padding: var(--space-sm) var(--space-md);
  background: var(--cu-gold);
  color: var(--cu-black);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.newsletter-btn:hover {
  background: var(--cu-gold-light);
}

/* Footer bottom */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(207, 184, 124, 0.1);
}

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

.footer-copyright a {
  color: var(--cu-gold);
  text-decoration: none;
}

.footer-socials {
  display: flex;
  gap: var(--space-sm);
}

.footer-socials a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(207, 184, 124, 0.1);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.footer-socials a:hover {
  background: var(--cu-gold);
}

.footer-socials a:hover svg,
.footer-socials a:hover img {
  filter: brightness(0);
}

.footer-socials svg,
.footer-socials img {
  width: 20px;
  height: 20px;
}

/* ============================================
   ANIMATIONS - Scroll Triggered
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.from-left {
  transform: translateX(-50px);
}

.animate-on-scroll.from-left.visible {
  transform: translateX(0);
}

.animate-on-scroll.from-right {
  transform: translateX(50px);
}

.animate-on-scroll.from-right.visible {
  transform: translateX(0);
}

.animate-on-scroll.scale {
  transform: scale(0.9);
}

.animate-on-scroll.scale.visible {
  transform: scale(1);
}

/* Staggered animations */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ============================================
   SPONSOR TICKER
   ============================================ */
.sponsor-ticker {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(10, 10, 18, 0.98);
  border-top: 1px solid rgba(207, 184, 124, 0.1);
  border-bottom: 1px solid rgba(207, 184, 124, 0.15);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  overflow: hidden;
  transition: top var(--transition-base);
}

.navbar.scrolled ~ .sponsor-ticker,
.sponsor-ticker.scrolled {
  top: var(--nav-height-scrolled);
}

.sponsor-ticker-label {
  flex-shrink: 0;
  padding: 10px 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cu-gold);
  background: rgba(207, 184, 124, 0.1);
  border-right: 1px solid rgba(207, 184, 124, 0.15);
}

.sponsor-ticker-track {
  display: flex;
  overflow: hidden;
  flex: 1;
}

.sponsor-ticker-content {
  display: flex;
  align-items: center;
  animation: ticker-scroll 25s linear infinite;
  padding: 10px 0;
}

.sponsor-item {
  flex-shrink: 0;
  padding: 0 24px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sponsor-item:hover {
  color: var(--cu-gold);
}

.sponsor-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.sponsor-item:hover .sponsor-icon {
  opacity: 1;
}

.sponsor-divider {
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  background: rgba(207, 184, 124, 0.3);
  border-radius: 50%;
}

@keyframes ticker-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}

/* Pause animation on hover */
.sponsor-ticker:hover .sponsor-ticker-content {
  animation-play-state: paused;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 992px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

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

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

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

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

  .contact-info {
    position: static;
  }

  .competition-visual {
    order: -1;
  }

  .grid-60-40,
  .grid-40-60 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 5rem;
  }

  .sponsor-ticker-label {
    display: none;
  }

  .sponsor-ticker {
    top: var(--nav-height);
  }

  .sponsor-ticker.scrolled {
    top: var(--nav-height-scrolled);
  }

  .sponsor-item {
    font-size: 0.75rem;
    padding: 0 16px;
  }

  .hero-title .line-2 {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

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

  .team-grid,
  .achievements-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .robot-viewer {
    height: 350px;
  }

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

  .footer-brand {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
  }

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

  .scroll-indicator {
    display: none;
  }

  .robot-viewer {
    touch-action: pan-y pinch-zoom;
  }

  .viewer-tap-overlay {
    display: block;
  }
}

@media (max-width: 600px) {
  .hero-subtitle {
    font-size: 1rem;
  }

  .robot-viewer {
    height: 300px;
  }

  .viewer-controls {
    gap: var(--space-xs);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

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

  .hero-cta .btn {
    width: 100%;
  }

  .newsletter-form {
    flex-direction: column;
  }
}

/* ============================================
   MOBILE MENU (Full Screen Overlay)
   ============================================ */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.98);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.mobile-nav-links {
  list-style: none;
  text-align: center;
}

.mobile-nav-links li {
  margin: var(--space-lg) 0;
}

.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cu-white);
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  color: var(--cu-gold);
}

.mobile-cta {
  margin-top: var(--space-xl);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* Page header (for subpages) */
.page-header {
  padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-2xl);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  text-align: center;
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cu-gold), transparent);
}

.page-title {
  margin-bottom: var(--space-md);
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--cu-gold);
}

.breadcrumb span {
  color: var(--cu-gold);
}

.breadcrumb-separator {
  color: var(--text-muted);
}