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


:root {
  --bg: #f9fafb;
  --text: #1f2937;
  --accent: #2563eb;
  --subtle: #6b7280;
  --card-bg: #ffffff;
  --shadow: rgba(0, 0, 0, 0.05);
  --transition: 0.3s ease;
}

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

body, html {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

a {
  text-decoration: none;
  color: inherit;
}

header {
  background-color: #000000; /* Black background */
  padding: 1rem 5vw;
  box-shadow: 0 2px 6px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 999;
  width: 100%;
  color: white;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  width: 100%;
  max-width: none;
  margin: 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: rgb(255, 255, 255);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links a {
  color: white;
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav-icon {
  width: 28px; 
  height: 28px;
  transition: opacity 0.2s ease;
  filter: none; 
}

.nav-icons {
  display: flex;
  align-items: center;
  gap: 1rem; /* .footer-right */
}

.nav-icon:hover {
  filter: brightness(1.5);
  opacity: 0.85;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: white; 
}

.tunnel-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-left: 0.5rem;
}

.pulse-led {
  width: 10px;
  height: 10px;
  background-color: var(--accent);
  border-radius: 50%;
  animation: pulse 1.2s infinite;
  box-shadow: 0 0 8px var(--accent);
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.6;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

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

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

section {
  padding: 4rem 2rem;
  max-width: 900px; /* 1000px?? */
  margin: 0 auto;
  width: 100%;
}

section h2 {
  margin-bottom: 1.5rem; 
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 16px var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px var(--shadow);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-content {
  padding: 1.5rem;
}

.card-content h3 {
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.card-content p {
  color: var(--subtle);
  margin-bottom: 1rem;
}

.view-button {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-weight: 500;
  transition: background var(--transition);
}

.view-button:hover {
  background-color: #1e40af;
}

/* Footer */
.site-footer {
  background-color: #000; /* Changed from #ffffff to black */
  width: 100%;
  padding: 2rem 2rem;
  margin: 0;
  border-top: 1px solid #333;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  color: #fff; 
}


.footer-left {
  font-size: 0.9rem;
  color: var(--subtle);
}

.footer-right {
  display: flex;
  gap: 1rem;
}

.footer-icon {
  width: 28px;
  height: 28px;
  transition: opacity 0.2s ease;
}

.footer-icon:hover {
  opacity: 0.75;
}

/* Loading Screen */
#loader {
  background: white;
  height: 100vh;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 9999;
  position: fixed;
  top: 0;
  left: 0;
}

.nmos-animation {
  background: white;
  text-align: center;
  padding: 2rem;
}

.nmos-animation svg {
  display: block;
  margin: auto;
}

/* pulse animation */
.gate-pulse {
  animation: dropPulse 2.5s infinite;
  transform: translate(130px, 10px);
}

@keyframes dropPulse {
  0%   { transform: translate(130px, 10px); opacity: 0; }
  20%  { transform: translate(130px, 40px); opacity: 1; }
  40%  { transform: translate(130px, 80px); opacity: 1; }
  60%  { opacity: 0; }
  100% { opacity: 0; }
}

/* Signal pulse animation from source to drain */
.source-drain-pulse {
  stroke-dasharray: 220;
  stroke-dashoffset: 220;
  animation: flowPulse 2.5s ease-out infinite;
  animation-delay: 1.25s;
}

@keyframes flowPulse {
  0%   { stroke-dashoffset: 220; opacity: 0; }
  30%  { stroke-dashoffset: 110; opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}

.loader-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  margin-top: 0.5rem;
  color: #444;
}

/* Responsive */
@media (max-width: 600px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .nav-right {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
  }

  .nav-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: -1rem;
  }

  .nav-icons {
    margin-top: 0;
    width: 100%;
    justify-content: center;
    padding-top: 0;
  }
}

.typewriter {
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  color: var(--subtle);
}

.typewriter h1 {
  font-size: 2rem;
  font-weight: bold;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
}

.typewriter p {
  font-size: 1.1rem;
  white-space: normal; 
  overflow: visible;   
}

.cursor {
  display: inline-block;
  margin-left: 5px;
  color: var(--accent);
  animation: blink 0.7s infinite;
}

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

.full-width-container {
  width: 100%;
  padding: 0 2rem;
  margin: 0 auto;
}


/* Hero Section */
#hero {
  padding: 4rem 0;               
  margin: 0;                     
  max-width: none !important;   
  width: 100%;
  background-color: #ffffff;
}

.profile-pic {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid #000;
  box-shadow: 0 5px 15px var(--shadow);
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.hero-text {
  flex: 1;
  min-width: 250px;
}

.hero-text p {
  color: var(--subtle);
  font-size: 1.1rem;
}

#education {
  margin-top: 4rem;
}

.education-entry {
  margin-bottom: 2.5rem;
}

.degree-block {
  margin-bottom: 1.5rem;
}

.degree-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.degree-subtext {
  font-size: 1rem;
  color: var(--subtle);
  margin-bottom: 1rem;
}

.course-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
}

.course-list-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.course-list-inline li {
  background-color: #f1f5f9;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.95rem;
  transition: background 0.2s ease;
}

.course-list-inline li a {
  color: var(--accent);
  text-decoration: none;
}

.course-list-inline li:hover {
  background-color: #e2e8f0;
}

#email-link {
  color: var(--accent);
  font-weight: 600;
}

.copy-button {
  margin-left: 0.75rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.9rem;
  background-color: var(--accent);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.copy-button:hover {
  background-color: #1e40af;
}

.copy-confirmation {
  margin-left: 0.5rem;
  font-size: 0.85rem;
  color: green;
  display: none;
}

.hex-ticker {
  margin-left: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  font-size: 1rem;
  font-weight: bold;
  animation: fadeHex 0.8s ease-in-out infinite alternate;
}

@keyframes fadeHex {
  from { opacity: 1; }
  to { opacity: 0.6; }
}

.binary-led-row {
  display: flex;
  gap: 6px;
  margin-left: 1rem;
}

.led-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #1f2937; /* Off */
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.led-dot.on {
  background-color: var(--accent); /* On */
  box-shadow: 0 0 6px var(--accent);
}