/* CSS Variables */
:root {
  --dark-bg: #0c0c0c;
  --dark-surface: #1a1a1a;
  --dark-text: #00bfff;
  --dark-subtext: #4da6ff;
  --dark-border: #00bfff;
  --dark-accent: #00bfff;
  --dark-cursor: #00bfff;
  --font-primary: "Courier New", "Courier", monospace;
  --terminal-padding: 20px;
  --transition-speed: 0.3s;
  --shadow-glow: 0 0 20px rgba(0, 191, 255, 0.1);
  --shadow-glow-hover: 0 0 30px rgba(0, 191, 255, 0.2);
}

/* Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-primary);
  display: flex;
  flex-direction: column;
  transition: background var(--transition-speed) ease,
    color var(--transition-speed) ease;
  overflow-x: hidden;
  position: relative;
  background: var(--dark-bg);
  color: var(--dark-text);
  text-shadow: 0 0 5px currentColor;
  line-height: 1.6;
}

/* Skip to content link for accessibility */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--dark-accent);
  color: var(--dark-bg);
  padding: 0.5rem 1rem;
  text-decoration: none;
  font-weight: bold;
  z-index: 10000;
  transition: top 0.3s;
}

.skip-to-content:focus {
  top: 0;
  outline: 3px solid var(--dark-text);
  outline-offset: 2px;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loading-spinner {
  text-align: center;
}

.loading-text {
  font-size: 1.5rem;
  color: var(--dark-accent);
  animation: blink 1s infinite;
}

/* Visually hidden but accessible to screen readers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Terminal Effects */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.05) 2px,
    rgba(0, 0, 0, 0.05) 4px
  );
  animation: scanlines 10s linear infinite;
  will-change: transform;
}

body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    circle at center,
    transparent 0%,
    rgba(0, 0, 0, 0.2) 100%
  );
  animation: flicker 0.15s infinite;
}

/* Stars Background */
.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.star {
  position: absolute;
  font-family: var(--font-primary);
  font-size: 12px;
  animation: glitch 5s infinite;
  opacity: 0.3;
  color: var(--dark-accent);
  will-change: transform, opacity;
}

.star.small {
  font-size: 10px;
  animation-duration: 3s;
}

.star.medium {
  font-size: 12px;
  animation-duration: 5s;
}

.star.large {
  font-size: 14px;
  animation-duration: 7s;
}

/* Floating Particles */
.particle {
  position: fixed;
  font-family: var(--font-primary);
  pointer-events: none;
  animation: float-terminal 15s infinite linear;
  font-size: 14px;
  opacity: 0.4;
  color: var(--dark-accent);
  will-change: transform, opacity;
}

.particle.small {
  font-size: 12px;
}

.particle.medium {
  font-size: 16px;
}

/* Layout */
.container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 80px);
}

/* Main Content */
.content {
  width: 100%;
  max-width: 700px;
  text-align: left;
  padding: var(--terminal-padding);
  border: 3px solid var(--dark-border);
  box-shadow: var(--shadow-glow);
  transition: box-shadow var(--transition-speed) ease;
  animation: fadeInUp 0.8s ease both;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  font-family: var(--font-primary);
  background-color: var(--dark-surface);
  color: var(--dark-text);
}

.content:hover {
  box-shadow: var(--shadow-glow-hover);
}

.content:focus-within {
  outline: 2px solid var(--dark-accent);
  outline-offset: 4px;
}

/* Terminal Window Decorations */
.content::before {
  content: "┌─[simoon@terminal]─[~]";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 8px var(--terminal-padding);
  font-weight: 700;
  font-size: 0.85rem;
  border-bottom: 2px solid var(--dark-border);
  pointer-events: none;
  background: var(--dark-bg);
  color: var(--dark-accent);
}

.content::after {
  content: "└─$";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px var(--terminal-padding);
  font-weight: 700;
  font-size: 0.85rem;
  border-top: 2px solid var(--dark-border);
  pointer-events: none;
  background: var(--dark-bg);
  color: var(--dark-accent);
}

/* Logo */
.logo {
  margin-top: 40px;
  margin-bottom: 1.5rem;
  text-align: center;
}

.logo img {
  width: clamp(60px, 15vw, 80px);
  height: clamp(60px, 15vw, 80px);
  margin-bottom: 1rem;
  border: 3px solid var(--dark-border);
  transition: transform var(--transition-speed) ease,
    box-shadow var(--transition-speed) ease;
  filter: grayscale(100%) contrast(150%);
  box-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.logo img:hover {
  transform: scale(1.05);
  animation: glitch 0.3s infinite;
  box-shadow: 0 0 20px rgba(0, 191, 255, 0.5);
}

.logo img:focus {
  outline: 2px solid var(--dark-accent);
  outline-offset: 4px;
}

/* Title */
.title {
  font-size: clamp(1.8rem, 6vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: typing 2s steps(20) 1s both;
  white-space: nowrap;
  overflow: hidden;
  border-right: 3px solid var(--dark-cursor);
  width: fit-content;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  color: var(--dark-accent);
  text-shadow: 0 0 10px currentColor;
}

/* Subtitle */
.subtitle {
  font-size: clamp(0.9rem, 3vw, 1.05rem);
  margin-bottom: 2rem;
  font-weight: 400;
  line-height: 1.6;
  animation: fadeInUp 1s ease-out 1.5s both;
  font-family: var(--font-primary);
  text-align: center;
  color: var(--dark-subtext);
}

.terminal-prompt {
  color: var(--dark-accent);
  font-weight: 600;
}

.joke-text {
  color: var(--dark-text);
}

/* CTA Box */
.cta-box {
  padding: 1.5rem;
  border: 2px solid var(--dark-border);
  margin: 1.5rem 0;
  transition: box-shadow var(--transition-speed) ease;
  animation: fadeInUp 1.2s ease-out 1.8s both;
  position: relative;
  overflow: hidden;
  text-align: center;
  background-color: var(--dark-bg);
}

.cta-box:hover {
  box-shadow: 0 0 15px rgba(0, 191, 255, 0.2);
}

.cta-box::before {
  content: "> ";
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-weight: 700;
  animation: blink 1s infinite;
  color: var(--dark-accent);
}

.terminal-command {
  margin-bottom: 1rem;
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  position: relative;
  z-index: 1;
  padding-left: 20px;
  text-align: left;
  color: var(--dark-subtext);
}

/* Project Link */
.project-link {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.2rem;
  text-decoration: none;
  border: 2px solid var(--dark-border);
  transition: all var(--transition-speed) ease;
  font-weight: 700;
  font-size: clamp(0.85rem, 2.5vw, 0.95rem);
  position: relative;
  z-index: 1;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: transparent;
  color: var(--dark-accent);
  text-shadow: 0 0 5px currentColor;
}

.project-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  transition: left var(--transition-speed) ease;
  background: var(--dark-accent);
  z-index: -1;
}

.project-link i {
  margin-right: 0.8rem;
  transition: transform var(--transition-speed) ease;
  position: relative;
  z-index: 2;
}

.project-link:hover,
.project-link:focus {
  background: var(--dark-accent);
  color: var(--dark-bg);
  text-shadow: none;
  transform: translateY(-2px);
}

.project-link:hover::before,
.project-link:focus::before {
  left: 0;
}

.project-link:hover i,
.project-link:focus i {
  transform: scale(1.1);
}

.project-link:focus {
  outline: 2px solid var(--dark-text);
  outline-offset: 4px;
}

.project-link:active {
  transform: translateY(0);
}

/* Social Links */
.social-links {
  margin-top: 2rem;
  margin-bottom: 40px;
  animation: fadeInUp 1.5s ease-out 2.1s both;
  text-align: center;
}

.social-links a {
  margin: 0 0.8rem;
  font-size: clamp(1.2rem, 4vw, 1.4rem);
  transition: all var(--transition-speed) ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border: 2px solid var(--dark-border);
  width: 50px;
  height: 50px;
  color: var(--dark-accent);
  background: transparent;
  text-decoration: none;
}

.social-links a:hover,
.social-links a:focus {
  transform: scale(1.1) translateY(-2px);
  background: var(--dark-accent);
  color: var(--dark-bg);
}

.social-links a:focus {
  outline: 2px solid var(--dark-text);
  outline-offset: 4px;
}

.social-links a:active {
  transform: scale(1) translateY(0);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--dark-accent);
  color: var(--dark-bg);
  border: 2px solid var(--dark-border);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed) ease;
  z-index: 1000;
  font-size: 1.2rem;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover,
.back-to-top:focus {
  transform: translateY(-4px);
  box-shadow: 0 0 20px rgba(0, 191, 255, 0.5);
}

.back-to-top:focus {
  outline: 2px solid var(--dark-text);
  outline-offset: 4px;
}

.back-to-top:active {
  transform: translateY(-2px);
}

/* Footer */
.copyright {
  text-align: center;
  padding: 1rem;
  font-size: clamp(0.75rem, 2vw, 0.85rem);
  transition: color var(--transition-speed) ease;
  margin-top: auto;
  font-family: var(--font-primary);
  letter-spacing: 1px;
  color: var(--dark-subtext);
}

/* Noscript Warning */
.noscript-warning {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--dark-accent);
  color: var(--dark-bg);
  padding: 1rem;
  text-align: center;
  z-index: 10000;
  font-weight: bold;
}

/* Ripple Effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
}

/* Text Selection */
::selection {
  background: var(--dark-accent);
  color: var(--dark-bg);
}

::-moz-selection {
  background: var(--dark-accent);
  color: var(--dark-bg);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--dark-accent);
  border: 2px solid var(--dark-bg);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--dark-subtext);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@keyframes glitch {
  0% {
    transform: translate(0);
    opacity: 1;
  }
  20% {
    transform: translate(-2px, 2px);
    opacity: 0.8;
  }
  40% {
    transform: translate(-2px, -2px);
    opacity: 0.9;
  }
  60% {
    transform: translate(2px, 2px);
    opacity: 0.8;
  }
  80% {
    transform: translate(2px, -2px);
    opacity: 0.9;
  }
  100% {
    transform: translate(0);
    opacity: 1;
  }
}

@keyframes float-terminal {
  0% {
    transform: translateY(100vh) translateX(-50px);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-100px) translateX(50px);
    opacity: 0;
  }
}

@keyframes scanlines {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(10px);
  }
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes flicker {
  0% {
    opacity: 0.98;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.98;
  }
}

/* Media Queries */
@media (max-width: 768px) {
  :root {
    --terminal-padding: 15px;
  }

  .container {
    padding: 1rem 0.5rem;
    min-height: calc(100vh - 60px);
  }

  .content {
    padding: calc(var(--terminal-padding) * 2) var(--terminal-padding)
      var(--terminal-padding);
  }

  .content::before {
    font-size: 0.7rem;
    padding: 6px var(--terminal-padding);
  }

  .content::after {
    font-size: 0.7rem;
    padding: 6px var(--terminal-padding);
  }

  .title {
    animation: none;
    white-space: normal;
    border-right: none;
    width: auto;
  }

  .project-link {
    padding: 0.5rem 1rem;
  }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 480px) {
  :root {
    --terminal-padding: 12px;
  }

  .container {
    padding: 0.5rem;
  }

  .content {
    padding: calc(var(--terminal-padding) * 2) var(--terminal-padding)
      var(--terminal-padding);
  }

  .content::before {
    content: "┌─[simoon]";
    font-size: 0.65rem;
  }

  .social-links a {
    margin: 0 0.5rem;
    width: 40px;
    height: 40px;
  }

  .back-to-top {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

@media (max-height: 600px) {
  .container {
    min-height: auto;
  }

  .content {
    margin: 1rem auto;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .star,
  .particle {
    animation: none !important;
  }

  .title {
    animation: none !important;
    border-right: none;
  }

  body::before,
  body::after {
    animation: none !important;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --dark-text: #ffffff;
    --dark-accent: #ffffff;
    --dark-border: #ffffff;
  }

  body {
    text-shadow: none;
  }

  .content {
    border-width: 4px;
  }
}

/* Reduced Motion Class for Low-End Devices */
body.reduced-motion *,
body.reduced-motion *::before,
body.reduced-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

body.reduced-motion .star,
body.reduced-motion .particle {
  animation: none !important;
  display: none;
}

body.reduced-motion .title {
  animation: none !important;
  border-right: none;
}

body.reduced-motion body::before,
body.reduced-motion body::after {
  animation: none !important;
}

/* Print Styles */
@media print {
  body::before,
  body::after,
  .stars,
  .particle,
  .back-to-top,
  .loading-screen {
    display: none !important;
  }

  body {
    background: white;
    color: black;
    text-shadow: none;
  }

  .content {
    border: 2px solid black;
    box-shadow: none;
  }

  a {
    text-decoration: underline;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
  }
}