/* ==========================================================================
   Obsidian Cyber-Code Developer Theme
   Created for Esandu Kulatunga - Portfolio
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root {
  --bg-primary: #07090e;
  --bg-secondary: rgba(13, 17, 26, 0.7);
  --bg-card: rgba(18, 24, 38, 0.5);

  /* Cyber Colors */
  --accent-cyan: #00f2fe;
  --accent-purple: #7f00ff;
  --accent-blue: #3b82f6;
  --accent-orange: #f59e0b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #64748b;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(0, 242, 254, 0.4);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Fira Code', 'Courier New', Courier, monospace;
}

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

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Blueprint / Grid Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px);
  background-size: 24px 24px, 48px 48px;
  z-index: -2;
  pointer-events: none;
}

/* Mesh Neon Glows */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 10% 20%, rgba(127, 0, 255, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(0, 242, 254, 0.1) 0%, transparent 45%);
  z-index: -1;
  pointer-events: none;
  animation: ambient-pulse 15s ease-in-out infinite alternate;
}

@keyframes ambient-pulse {
  0% {
    opacity: 0.8;
    transform: scale(1);
  }

  100% {
    opacity: 1;
    transform: scale(1.05);
  }
}

/* Typography elements */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

/* Horizontal Divider */
hr {
  border: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-color), transparent);
  margin: 40px auto;
  max-width: 600px;
}

/* Navigation */
nav {
  background-color: rgba(7, 9, 14, 0.7);
  padding: 16px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.5px;
  color: var(--accent-cyan);

}

.nav-logo span {
  display: inline-block;
  opacity: 0;
  animation: modernFade 6s cubic-bezier(0.25, 0.8, 0.25, 1) infinite;
}

.nav-logo span:nth-child(even) {
  color: var(--text-main);
}

@keyframes modernFade {
  0% {
    opacity: 0;
    transform: translateY(4px);
    filter: blur(2px);
  }

  15%,
  85% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0px);
  }

  95%,
  100% {
    opacity: 0;
    transform: translateY(-4px);
    filter: blur(2px);
  }
}

nav ul {
  list-style-type: none;
  display: flex;
  gap: 8px;
  align-items: center;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background-color: var(--text-main);
  margin: 2.5px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 1px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
  background-color: var(--accent-cyan);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
  background-color: var(--accent-cyan);
}

nav a {
  font-family: var(--font-mono);
  text-decoration: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.2s ease;
  position: relative;
}

nav a::before {
  content: "<";
  opacity: 0;
  margin-right: 4px;
  color: var(--accent-cyan);
  transition: all 0.2s ease;
  display: inline-block;
  transform: translateX(4px);
}

nav a::after {
  content: " />";
  opacity: 0;
  margin-left: 4px;
  color: var(--accent-cyan);
  transition: all 0.2s ease;
  display: inline-block;
  transform: translateX(-4px);
}

nav a:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.03);
}

nav a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

nav a:hover::after {
  opacity: 1;
  transform: translateX(0);
}

/* Animated and highlighted Nav Link */
nav a.nav-highlight {
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
  background: rgba(0, 242, 254, 0.03);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
  animation: glowPulse 3s infinite alternate ease-in-out;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes glowPulse {
  0% {
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.1), inset 0 0 4px rgba(0, 242, 254, 0.02);
  }
  50% {
    border-color: rgba(127, 0, 255, 0.7);
    box-shadow: 0 0 16px rgba(127, 0, 255, 0.3), inset 0 0 8px rgba(127, 0, 255, 0.1);
    color: #c084fc;
  }
  100% {
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.1), inset 0 0 4px rgba(0, 242, 254, 0.02);
  }
}

nav a.nav-highlight:hover {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(127, 0, 255, 0.15));
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4), 0 0 30px rgba(127, 0, 255, 0.2);
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  nav a.nav-highlight {
    animation: none;
    box-shadow: 0 0 5px rgba(0, 242, 254, 0.2);
  }
}


/* Header */
header {
  max-width: 800px;
  margin: 60px auto 40px;
  padding: 40px 24px;
  text-align: center;
  scroll-margin-top: 100px;
}

header h1 {
  font-size: 48px;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

header p {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--text-muted);
  margin: 0 auto;
  border-right: 2px solid var(--accent-cyan);
  white-space: nowrap;
  overflow: hidden;
  width: 0;
  animation:
    typing-text 2s steps(26) 1s forwards,
    cursor-blink 0.75s step-end infinite;
}

@keyframes typing-text {
  from {
    width: 0;
  }

  to {
    width: 26ch;
  }
}

@keyframes cursor-blink {

  from,
  to {
    border-color: transparent;
  }

  50% {
    border-color: var(--accent-cyan);
  }
}

/* Section Cards (IDE / Terminal style) */
section {
  max-width: 750px;
  margin: 40px auto 60px;
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px 32px 32px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  scroll-margin-top: 100px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

section:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px -15px rgba(0, 242, 254, 0.15);
}

/* Scroll Animation Classes (hooked to script.js) */
.hidden-scroll {
  opacity: 0;
  transform: translateY(60px);
  filter: blur(10px);
  transition: 
    opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
    filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.show-on-scroll {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0px);
}

/* Terminal window header */
.window-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.window-dots .dot.red {
  background-color: #ef4444;
}

.window-dots .dot.yellow {
  background-color: #eab308;
}

.window-dots .dot.green {
  background-color: #22c55e;
}

.window-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dark);
  letter-spacing: 0.5px;
}

section h2 {
  font-size: 24px;
  margin-bottom: 24px;
  color: var(--text-main);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 8px;
}

section h2::before {
  content: "#";
  color: var(--accent-cyan);
}

/* About Section Specifics */
#about figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 28px;
}

#about img {
  display: block;
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--border-color);
  padding: 4px;
  background-color: var(--bg-primary);
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

#about:hover img {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.3);
}

#about figcaption {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-cyan);
  margin-top: 12px;
  font-style: normal;
}

section p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 16px;
  line-height: 1.7;
}

/* Skills Section Specifics */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  list-style: none;
}

.skills-grid li {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  transition: all 0.2s ease;
}

.skills-grid li:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-cyan);
  transform: translateX(4px);
}

.skills-grid li i {
  font-size: 20px;
  color: var(--accent-cyan);
}

/* Stacks Section Specifics */
.stacks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
}

.stack-item {
  background-color: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  cursor: default;
}

.stack-item i {
  font-size: 32px;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.stack-item span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

/* Hover base behaviors */
.stack-item:hover {
  background-color: rgba(255, 255, 255, 0.03);
  transform: translateY(-3px);
}

.stack-item:hover span {
  color: var(--text-main);
}

/* Brand Colors and Glows */
.stack-item.html:hover {
  border-color: #e34f26;
  box-shadow: 0 4px 12px rgba(227, 79, 38, 0.15);
}

.stack-item.html:hover i {
  color: #e34f26;
}

.stack-item.css:hover {
  border-color: #1572b6;
  box-shadow: 0 4px 12px rgba(21, 114, 182, 0.15);
}

.stack-item.css:hover i {
  color: #1572b6;
}

.stack-item.js:hover {
  border-color: #f7df1e;
  box-shadow: 0 4px 12px rgba(247, 223, 30, 0.15);
}

.stack-item.js:hover i {
  color: #f7df1e;
}

.stack-item.tailwind:hover {
  border-color: #06b6d4;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}

.stack-item.tailwind:hover i {
  color: #06b6d4;
}

.stack-item.python:hover {
  border-color: #3776ab;
  box-shadow: 0 4px 12px rgba(55, 118, 171, 0.15);
}

.stack-item.python:hover i {
  color: #3776ab;
}

.stack-item.java:hover {
  border-color: #5382a1;
  box-shadow: 0 4px 12px rgba(83, 130, 161, 0.15);
}

.stack-item.java:hover i {
  color: #f89820;
}

.stack-item.react:hover {
  border-color: #61dafb;
  box-shadow: 0 4px 12px rgba(97, 218, 251, 0.15);
}

.stack-item.react:hover i {
  color: #61dafb;
}

.stack-item.nodejs:hover {
  border-color: #339933;
  box-shadow: 0 4px 12px rgba(51, 153, 51, 0.15);
}

.stack-item.nodejs:hover i {
  color: #339933;
}

.stack-item.express:hover {
  border-color: #f8fafc;
  box-shadow: 0 4px 12px rgba(248, 250, 252, 0.15);
}

.stack-item.express:hover i {
  color: var(--accent-cyan);
}

.stack-item.mongodb:hover {
  border-color: #47a248;
  box-shadow: 0 4px 12px rgba(71, 162, 72, 0.15);
}

.stack-item.mongodb:hover i {
  color: #47a248;
}

.stack-item.git:hover {
  border-color: #f05032;
  box-shadow: 0 4px 12px rgba(240, 80, 50, 0.15);
}

.stack-item.git:hover i {
  color: #f05032;
}

.stack-item.github:hover {
  border-color: #f8fafc;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.stack-item.github:hover i {
  color: #f8fafc;
}

.stack-item.figma:hover {
  border-color: #f24e1e;
  box-shadow: 0 4px 12px rgba(242, 78, 30, 0.15);
}

.stack-item.figma:hover i {
  color: #f24e1e;
}

.stack-item.photoshop:hover {
  border-color: #31a8ff;
  box-shadow: 0 4px 12px rgba(49, 168, 255, 0.15);
}

.stack-item.photoshop:hover i {
  color: #31a8ff;
}

.stack-item.premiere:hover {
  border-color: #ea77ff;
  box-shadow: 0 4px 12px rgba(234, 119, 255, 0.15);
}

.stack-item.premiere:hover i {
  color: #ea77ff;
}

/* Projects Section Specifics */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  background-color: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -12px rgba(0, 242, 254, 0.3);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.project-card-title {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-card-title i {
  font-size: 18px;
  color: var(--accent-cyan);
}

.project-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
}

.project-card:hover .project-badge {
  color: var(--accent-cyan);
  border-color: rgba(0, 242, 254, 0.3);
}

.project-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.project-card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 12px;
  background-color: rgba(0, 242, 254, 0.05);
  border: 1px solid rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
}

.tech-tag.purple {
  background-color: rgba(127, 0, 255, 0.05);
  border-color: rgba(127, 0, 255, 0.15);
  color: #a855f7;
}

.tech-tag.blue {
  background-color: rgba(59, 130, 246, 0.05);
  border-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.project-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dark);
}

.project-stats {
  display: flex;
  gap: 12px;
}

.project-stats span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.project-stats span i {
  font-size: 13px;
}

.project-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.project-link:hover {
  color: var(--accent-cyan);
}

/* Contact Section Specifics */
.contact-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  gap: 8px;
}

.contact-links a:hover {
  background-color: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.contact-links i {
  font-size: 18px;
}

/* Marquee Strip */
.basic-marquee-container {
  overflow: hidden;
  background-color: rgba(7, 9, 14, 0.9);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  white-space: nowrap;
  display: flex;
  margin: 60px 0 20px;
}

.basic-marquee-text {
  display: flex;
  width: max-content;
  animation: simple-marquee 40s linear infinite;
}

.basic-marquee-text p {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dark);
  letter-spacing: 2px;
  margin: 0;
  padding-right: 48px;
}

@keyframes simple-marquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 24px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-dark);
  border-top: 1px solid var(--border-color);
  margin-top: 60px;
  background-color: rgba(7, 9, 14, 0.5);
}

/* Loading Screen */
#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s ease;
}

/* Blueprint canvas inside loading screen too */
#loading-screen::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: -1;
  pointer-events: none;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-wrapper {
  text-align: center;
  max-width: 320px;
  width: 80%;
}

.loader-title {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.loader-subtitle {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.progress-bar-container {
  width: 100%;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 1px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
  animation: fill-bar 1.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fill-bar {
  0% {
    width: 0;
  }

  100% {
    width: 100%;
  }
}

/* Responsive Styles */
@media (max-width: 768px) {
  nav {
    padding: 16px 24px;
  }

  .hamburger {
    display: flex;
  }

  nav ul {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 70px);
    background-color: rgba(7, 9, 14, 0.96);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 40px 24px;
    align-items: stretch;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--border-color);
  }

  nav ul.active {
    right: 0;
  }

  nav a {
    display: block;
    font-size: 14px;
    padding: 12px 16px;
    width: 100%;
    border-radius: 8px;
  }

  nav a:hover {
    background-color: rgba(0, 242, 254, 0.08);
  }

  nav a.nav-highlight {
    margin-top: 16px;
    text-align: center;
    border-color: rgba(0, 242, 254, 0.4);
    background: rgba(0, 242, 254, 0.05);
  }

  header h1 {
    font-size: 32px;
  }

  header p {
    font-size: 14px;
  }

  section {
    margin: 24px 16px 40px;
    padding: 20px 20px 24px;
  }

  .skills-grid,
  .projects-grid,
  .contact-links {
    grid-template-columns: 1fr;
  }
}