:root {
  /* Brand Colors */
  --primary-color: #1e3cff;
  --primary-dark: #0f0f1c;
  --secondary-color: #9659ff;
  --accent-color: #50c1eb;
  --success-color: #40f29a;
  --warning-color: #ffce42;
  --error-color: #ff3333;
  --light-accent: #c8daff;
  --dcipher-green: #c6f221;

  /* Text Colors */
  --text-primary: #0f0f1c;
  --text-secondary: rgba(15, 15, 28, 0.8);
  --text-light: rgba(15, 15, 28, 0.7);
  --text-white: #ffffff;

  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #c8daff;
  --bg-accent: rgba(200, 218, 255, 0.3);
  --bg-dark: #0f0f1c;

  /* Border & Effects */
  --border-color: rgba(30, 60, 255, 0.2);
  --shadow-sm: 0 1px 2px 0 rgba(15, 15, 28, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 15, 28, 0.1),
    0 2px 4px -2px rgba(15, 15, 28, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(15, 15, 28, 0.1),
    0 4px 6px -4px rgba(15, 15, 28, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(15, 15, 28, 0.1),
    0 8px 10px -6px rgba(15, 15, 28, 0.1);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1e3cff 0%, #50c1eb 100%);
  --gradient-secondary: linear-gradient(135deg, #9659ff 0%, #c6f221 100%);
  --gradient-accent: linear-gradient(135deg, #40f29a 0%, #ffce42 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Funnel Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

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

/* Typography - Funnel Display for titles, subtitles, and highlights */
h1,
h2,
h3,
h4,
h5,
h6,
.hero-title,
.hero-subtitle,
.section-header h2,
.section-header p,
.nav-logo h2,
.initiative-badge,
.feature-tag,
.btn {
  font-family: "Funnel Display", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
}

/* Body text uses Funnel Sans (already set on body) */

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h2 {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

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

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  min-height: 100vh;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: white;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

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

.crypto-animation {
  position: relative;
  width: 300px;
  height: 300px;
}

.node {
  position: absolute;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  animation: float 7s ease-in-out infinite;
}

.node:nth-child(1) {
  top: 0;
  left: 55%;
  transform: translateX(-50%);
  animation-delay: 0s;
}

.node:nth-child(2) {
  top: 25%;
  right: 0;
  animation-delay: 1.2s;
}

.node:nth-child(3) {
  bottom: 25%;
  right: 0;
  animation-delay: 2.4s;
}

.node:nth-child(4) {
  bottom: 0;
  left: 40%;
  animation-delay: 3.6s;
}

.node:nth-child(5) {
  top: 25%;
  left: 0;
  animation-delay: 4.8s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) scale(1);
  }
  50% {
    transform: translateY(-10px) scale(1.1);
  }
}

/* Section Styles */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.about-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.about-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.about-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Initiatives Section */
.initiatives-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.initiative-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--primary-color);
}

.initiative-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.initiative-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.initiative-badge {
  background: var(--gradient-primary);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.initiative-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.initiative-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-tag {
  background: var(--bg-accent);
  color: var(--text-primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Research Section */
.research {
  background: var(--bg-secondary);
}

.research-areas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
}

.research-item {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--accent-color);
}

.research-item h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.research-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.125rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

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

.contact-form {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Footer */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
  align-items: start;
}

.footer-section {
  display: flex;
  flex-direction: column;
}

.footer-section h3,
.footer-section h4 {
  margin: 0 0 1rem 0;
  color: var(--text-white);
  line-height: 1.4;
}

.footer-section h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

.footer-section h4 {
  font-size: 1.5rem;
  font-weight: 500;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--dcipher-green);
  text-decoration: none;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.footer-links a:hover {
  color: var(--text-white);
  opacity: 0.9;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1rem;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-md);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

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

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .crypto-animation {
    width: 250px;
    height: 250px;
  }

  .node {
    width: 50px;
    height: 50px;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .about-grid,
  .initiatives-grid {
    grid-template-columns: 1fr;
  }

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

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

  .container {
    padding: 0 1rem;
  }

  .nav-container {
    padding: 0 1rem;
  }

  .hero {
    padding: 100px 0 60px;
  }

  section {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

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

  .initiative-card {
    margin: 0;
  }
}