/* Design System - Color Tokens */
:root {
  /* Primary Colors */
  --color-black: hsl(0, 0%, 8%);
  --color-black-light: hsl(0, 0%, 12%);
  --color-black-lighter: hsl(0, 0%, 16%);
  
  /* Red Accent Colors */
  --color-red: hsl(0, 85%, 55%);
  --color-red-light: hsl(0, 85%, 65%);
  --color-red-dark: hsl(0, 85%, 45%);
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, var(--color-red) 0%, hsl(15, 85%, 55%) 100%);
  --gradient-dark: linear-gradient(135deg, var(--color-black) 0%, var(--color-black-light) 100%);
  
  /* Text Colors */
  --color-white: hsl(0, 0%, 98%);
  --color-gray: hsl(0, 0%, 70%);
  --color-gray-dark: hsl(0, 0%, 40%);
  
  /* Glow Effects */
  --glow-red: 0 0 20px hsla(0, 85%, 55%, 0.5);
  --glow-red-strong: 0 0 30px hsla(0, 85%, 55%, 0.8);
  
  /* Typography */
  --font-primary: 'Canva Sans', 'Orbitron', monospace;
  --font-secondary: 'Canva Sans', 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: transparent;
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid transparent;
  transition: var(--transition-smooth);
}

.nav-container {
  width: 100%;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-image {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-white);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--color-white);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-smooth);
}

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

.donate-btn {
  background: var(--gradient-primary);
  color: var(--color-white) !important;
  border: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--glow-red);
  text-decoration: none;
}

.donate-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-red-strong);
  color: var(--color-white) !important;
}

.donate-btn::after {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--color-white);
  margin: 3px 0;
  transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-black);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    url('https://images.unsplash.com/photo-1518709268805-4e9042af2176?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80') center/cover,
    radial-gradient(circle at 20% 80%, rgba(220, 38, 38, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(220, 38, 38, 0.3) 0%, transparent 50%);
  animation: float 6s ease-in-out infinite;
  opacity: 0.3;
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(220, 38, 38, 0.05) 50%, transparent 70%);
  animation: slide 8s linear infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(1deg); }
  66% { transform: translateY(10px) rotate(-1deg); }
}

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

@keyframes fadeIn {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  0% { opacity: 0; transform: translateY(50px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.3) translateY(50px); }
  50% { opacity: 1; transform: scale(1.05) translateY(-10px); }
  70% { transform: scale(0.9) translateY(0); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes floatingElement {
  0%, 100% { transform: translateY(0px) translateX(0px) rotate(0deg); }
  25% { transform: translateY(-20px) translateX(10px) rotate(90deg); }
  50% { transform: translateY(-10px) translateX(-10px) rotate(180deg); }
  75% { transform: translateY(-30px) translateX(5px) rotate(270deg); }
}

@keyframes gridWave {
  0% { 
    transform: translateY(0px) translateX(0px); 
    opacity: 0.6; 
  }
  50% { 
    transform: translateY(-20px) translateX(-10px); 
    opacity: 1; 
  }
  100% { 
    transform: translateY(0px) translateX(0px); 
    opacity: 0.6; 
  }
}

@keyframes gridWaveMove {
  0% { 
    transform: translateX(0px) translateY(0px) rotate(0deg) scale(1); 
    opacity: 0.4; 
  }
  25% { 
    transform: translateX(-20px) translateY(-15px) rotate(1deg) scale(1.05); 
    opacity: 0.7; 
  }
  50% { 
    transform: translateX(0px) translateY(-30px) rotate(0deg) scale(1.1); 
    opacity: 0.8; 
  }
  75% { 
    transform: translateX(20px) translateY(-15px) rotate(-1deg) scale(1.05); 
    opacity: 0.7; 
  }
  100% { 
    transform: translateX(0px) translateY(0px) rotate(0deg) scale(1); 
    opacity: 0.4; 
  }
}

.animated-grid {
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background-image: 
    linear-gradient(rgba(220, 38, 38, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220, 38, 38, 0.4) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 0;
  animation: gridWave 4s ease-in-out infinite;
  transform-origin: center center;
}

.animated-grid::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(220, 38, 38, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220, 38, 38, 0.2) 1px, transparent 1px);
  background-size: 25px 25px;
  animation: gridWave 3s ease-in-out infinite reverse;
}

.animated-grid::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(220, 38, 38, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220, 38, 38, 0.1) 1px, transparent 1px);
  background-size: 100px 100px;
  animation: gridWave 6s ease-in-out infinite;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(20, 20, 20, 0.8) 0%, 
    rgba(220, 38, 38, 0.1) 50%, 
    rgba(20, 20, 20, 0.8) 100%);
  z-index: 1;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.floating-element {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-red);
  border-radius: 50%;
  box-shadow: var(--glow-red);
  animation: floatingElement 8s ease-in-out infinite;
}

.floating-element:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
  animation-duration: 6s;
}

.floating-element:nth-child(2) {
  top: 60%;
  left: 80%;
  animation-delay: 2s;
  animation-duration: 8s;
}

.floating-element:nth-child(3) {
  top: 30%;
  left: 70%;
  animation-delay: 4s;
  animation-duration: 7s;
}

.floating-element:nth-child(4) {
  top: 80%;
  left: 20%;
  animation-delay: 1s;
  animation-duration: 9s;
}

.floating-element:nth-child(5) {
  top: 50%;
  left: 50%;
  animation-delay: 3s;
  animation-duration: 5s;
}

.animate-fade-in {
  animation: fadeIn 1s ease-out forwards;
}

.animate-fade-in-delay {
  animation: fadeIn 1s ease-out 0.5s forwards;
  opacity: 0;
}

.animate-slide-up {
  animation: slideUp 0.8s ease-out forwards;
}

.animate-slide-up-delay {
  animation: slideUp 0.8s ease-out 0.3s forwards;
  opacity: 0;
}

.animate-bounce-in {
  animation: bounceIn 1.2s ease-out 1s forwards;
  opacity: 0;
}

.hero-content {
  text-align: center;
  z-index: 10;
  position: relative;
  max-width: 800px;
  padding: 0 var(--spacing-sm);
}

.hero-title {
  font-family: var(--font-primary);
  margin-bottom: var(--spacing-sm);
}

.title-main {
  display: block;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: 3px;
}

.title-sub {
  display: block;
  font-size: clamp(1.5rem, 4vw, 3rem);
  color: var(--color-red);
  letter-spacing: 8px;
  margin-top: -10px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-red);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-button {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-red);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-button:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--glow-red-strong);
}

/* Section Styles */
.section-title {
  font-family: var(--font-primary);
  font-size: clamp(2rem, 5vw, 3rem);
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.section-subtitle {
  text-align: center;
  color: var(--color-gray);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
}

/* About Section */
.about {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-text h3 {
  font-family: var(--font-primary);
  font-size: 1.8rem;
  color: var(--color-red);
  margin-bottom: var(--spacing-sm);
}

.about-text p {
  color: var(--color-gray);
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.team-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.value {
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  border: 1px solid rgba(220, 38, 38, 0.2);
}

.value h4 {
  color: var(--color-red);
  margin-bottom: var(--spacing-xs);
  font-family: var(--font-primary);
}

.value p {
  font-size: 0.9rem;
  color: var(--color-gray);
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(220, 38, 38, 0.3);
}

/* Robot Specs Section */
.robot-specs {
  padding: var(--spacing-xl) 0;
  background: var(--color-black);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.spec-card {
  background: var(--color-black-light);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid rgba(220, 38, 38, 0.3);
  transition: var(--transition-smooth);
}

.spec-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-red);
  box-shadow: var(--glow-red);
}

.spec-card h3 {
  font-family: var(--font-primary);
  color: var(--color-red);
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
}

.spec-card p {
  color: var(--color-gray);
  line-height: 1.6;
}

/* Alliance Section */
.alliance {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-dark);
}

.alliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.alliance-card {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.alliance-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-red);
  background: rgba(220, 38, 38, 0.1);
}

.alliance-card h3 {
  font-family: var(--font-primary);
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.alliance-card p {
  color: var(--color-gray);
  line-height: 1.6;
}

/* Season Info Section */
.season-info {
  padding: var(--spacing-xl) 0;
  background: var(--color-black);
}

.season-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
}

.season-card {
  background: var(--color-black-light);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid rgba(220, 38, 38, 0.3);
}

.season-card h3 {
  font-family: var(--font-primary);
  color: var(--color-red);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.event {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.event:last-child {
  border-bottom: none;
}

.event-date {
  color: var(--color-red);
  font-weight: 600;
  font-size: 0.9rem;
}

.event-name {
  color: var(--color-white);
  font-weight: 500;
}

.achievements {
  list-style: none;
}

.achievements li {
  color: var(--color-gray);
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: var(--spacing-sm);
}

.achievements li::before {
  content: '▶';
  color: var(--color-red);
  position: absolute;
  left: 0;
}

/* Sponsors Section */
.sponsors {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-dark);
}

.sponsors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.sponsor-card {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  transition: var(--transition-smooth);
}

.sponsor-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-red);
  box-shadow: var(--glow-red);
}

.sponsor-card h3 {
  font-family: var(--font-primary);
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.sponsor-card p {
  color: var(--color-gray);
  line-height: 1.6;
}

/* Sponsors Home Section */
.sponsors-home {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-dark);
}

.sponsors-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.sponsor-link {
  font-family: 'Canva Sans', sans-serif;
  font-size: 1.2rem;
  color: var(--color-white);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid rgba(220, 38, 38, 0.3);
  border-radius: 25px;
  transition: var(--transition-smooth);
  background: rgba(255, 255, 255, 0.05);
}

.sponsor-link:hover {
  color: var(--color-red);
  border-color: var(--color-red);
  background: rgba(220, 38, 38, 0.1);
  transform: translateY(-2px);
}

/* Social Media Links */
.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-link {
  display: inline-block;
  transition: var(--transition-smooth);
}

.social-link:hover {
  transform: translateY(-2px);
}

.social-link:hover .social-icon {
  fill: var(--color-red);
}

.social-icon {
  width: 24px;
  height: 24px;
  transition: var(--transition-smooth);
}

/* Sponsor Highlighting */
.sponsor-card.highlighted {
  border: 3px solid var(--color-red);
  box-shadow: var(--glow-red-strong);
  transform: scale(1.05);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: var(--glow-red); }
  50% { box-shadow: var(--glow-red-strong); }
}

/* Inline sponsor link styling */
.sponsor-link-inline {
  color: var(--color-red);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.sponsor-link-inline:hover {
  color: var(--color-white);
  text-decoration: underline;
}

/* Footer */
.footer {
  background: var(--color-black);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
  border-top: 1px solid rgba(220, 38, 38, 0.3);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-section h3,
.footer-section h4 {
  font-family: var(--font-primary);
  color: var(--color-red);
  margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
  color: var(--color-gray);
  text-decoration: none;
  line-height: 1.8;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
  color: var(--color-white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-gray-dark);
}

/* Page Header Styles */
.page-header {
  padding: 120px 0 60px;
  background: var(--gradient-dark);
  text-align: center;
}

.page-title {
  font-family: var(--font-primary);
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  color: var(--color-gray);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Active Navigation Link */
.nav-link.active {
  color: var(--color-red);
}

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

.donate-btn.active {
  background: var(--color-red);
}

/* About Page Styles */
.about-content {
  padding: var(--spacing-xl) 0;
  background: var(--color-black);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.robot-design {
  position: static;
}

.robot-image {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(220, 38, 38, 0.3);
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-text p {
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
}

/* Sponsors Page Styles */
.sponsors-content {
  padding: var(--spacing-xl) 0;
  background: var(--color-black);
}

.sponsors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

.sponsor-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.sponsor-image {
  object-fit: contain;
  margin-bottom: var(--spacing-sm);
  border-radius: 8px;
  background: var(--color-white);
  padding: 10px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* Individual sponsor logo dimensions */
.sponsor-image[src*="mitsubishi"] {
  width: 120px;
  height: 80px;
}

.sponsor-image[src*="costco"] {
  width: 200px;
  height: 100px;
}

.sponsor-image[src*="gobilda"] {
  width: 130px;
  height: 85px;
}

.sponsor-image[src*="polymaker"] {
  width: 140px;
  height: 85px;
}

.sponsor-image[src*="jukebox"] {
  width: 120px;
  height: 80px;
}

.sponsor-image[src*="FRCtees"] {
  width: 150px;
  height: 90px;
}

.sponsor-logo h3 {
  font-family: var(--font-primary);
  color: var(--color-red);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

/* Donate Page Styles */
.sponsorship-tiers {
  padding: var(--spacing-xl) 0;
  background: var(--color-black);
}

.tiers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.tier-card {
  background: var(--color-black-light);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.tier-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.tier-card.steel::before {
  background: linear-gradient(135deg, #71717a 0%, #a1a1aa 100%);
}

.tier-card.silver::before {
  background: linear-gradient(135deg, #94a3b8 0%, #cbd5e1 100%);
}

.tier-card.gold::before {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

.tier-card.titanium::before {
  background: linear-gradient(135deg, #e5e7eb 0%, #f3f4f6 100%);
}

.tier-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-red);
  box-shadow: var(--glow-red);
}

.tier-name {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.tier-price {
  font-size: 1.2rem;
  color: var(--color-red);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.tier-benefits {
  list-style: none;
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.tier-benefits li {
  color: var(--color-gray);
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: var(--spacing-sm);
}

.tier-benefits li::before {
  content: '✓';
  color: var(--color-red);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.tier-button {
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  width: 100%;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.tier-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-red-strong);
  color: var(--color-white);
}

.tiers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.tier-note {
  text-align: center;
  color: var(--color-gray-dark);
  font-style: italic;
  margin-top: var(--spacing-md);
}

.sponsorship-types {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-dark);
}

.types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.type-card {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  transition: var(--transition-smooth);
}

.type-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-red);
  background: rgba(220, 38, 38, 0.1);
}

.type-card h3 {
  font-family: var(--font-primary);
  color: var(--color-red);
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
}

.type-card p {
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.type-button {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-red);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.type-button:hover {
  background: var(--gradient-primary);
  border-color: transparent;
}

/* Alliance Page Styles */
.alliance-content {
  padding: var(--spacing-xl) 0;
  background: var(--color-black);
}

/* Season Page Styles */
.season-content {
  padding: var(--spacing-xl) 0;
  background: var(--color-black);
}

/* Contact Page Styles */
.contact-content {
  padding: var(--spacing-xl) 0;
  background: var(--color-black);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.contact-info h3 {
  font-family: var(--font-primary);
  color: var(--color-red);
  font-size: 1.8rem;
  margin-bottom: var(--spacing-sm);
}

.contact-info p {
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item h4 {
  font-family: var(--font-primary);
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.contact-item p {
  color: var(--color-gray);
  margin: 0;
}

.contact-form-container {
  background: var(--color-black-light);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid rgba(220, 38, 38, 0.3);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  background: var(--color-black);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  padding: var(--spacing-sm);
  color: var(--color-white);
  font-family: var(--font-secondary);
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-red);
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-top: var(--spacing-sm);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-red-strong);
}

/* Team Performance Styles */
.team-performance {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-dark);
}

.performance-data {
  background: var(--color-black-light);
  border-radius: 12px;
  border: 1px solid rgba(220, 38, 38, 0.3);
  padding: var(--spacing-md);
  min-height: 200px;
}

.performance-data h3 {
  font-family: var(--font-primary);
  color: var(--color-red);
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
}

.performance-data ul {
  list-style: none;
  padding: 0;
}

.performance-data li {
  background: var(--color-black);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-white);
}

.performance-data p {
  color: var(--color-gray);
  line-height: 1.6;
}

.loading {
  text-align: center;
  color: var(--color-gray);
  font-style: italic;
}

.error {
  color: var(--color-red);
  text-align: center;
  font-weight: 600;
}

.rank-info {
  background: var(--color-black);
  border: 1px solid rgba(220, 38, 38, 0.3);
  border-radius: 8px;
  padding: var(--spacing-sm);
  margin-top: var(--spacing-md);
  color: var(--color-white);
  font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(20, 20, 20, 0.98);
    width: 100%;
    text-align: center;
    transition: var(--transition-smooth);
    padding: var(--spacing-md) 0;
    backdrop-filter: blur(10px);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .about-image {
    order: -1;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .season-grid {
    grid-template-columns: 1fr;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .robot-design {
    position: static;
    order: -1;
  }
  
  .robot-image {
    height: 300px;
  }
  
  .tiers-grid {
    grid-template-columns: 1fr;
  }
  
  .types-grid {
    grid-template-columns: 1fr;
  }
  
  .event {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .tiers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .tiers-grid {
    grid-template-columns: 1fr;
  }
  

}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: row;
    gap: var(--spacing-md);
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .specs-grid,
  .alliance-grid,
  .sponsors-grid {
    grid-template-columns: 1fr;
  }
}