/* Pixel font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

:root {
  /* Retro terminal green theme */
  --color-bg: #0a0e0a;
  --color-text: #00ff41;
  --color-text-muted: #00aa2b;
  --color-accent: #00ff88;
  --color-border: #00ff41;
  --spacing: 1rem;
  --max-width: 1200px;
  --card-bg: #0f140f;
  --shadow: #00ff41;

  /* CRT screen effect */
  --scanline-opacity: 0.15;
}

/* Alternative amber terminal theme (comment/uncomment to switch) */
/*
:root {
  --color-bg: #0a0a00;
  --color-text: #ffb000;
  --color-text-muted: #cc8800;
  --color-accent: #ffd700;
  --color-border: #ffb000;
  --card-bg: #111100;
  --shadow: #ffb000;
}
*/

@media (prefers-color-scheme: light) {
  :root {
    /* Keep dark mode even if system is light - retro terminals are dark! */
  }
}

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

html {
  font-family: 'VT323', 'Press Start 2P', monospace;
  font-size: 18px;
  line-height: 1.4;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  text-shadow: 0 0 2px var(--color-text);
}

/* CRT scanline effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  z-index: 9999;
  opacity: var(--scanline-opacity);
}

/* CRT screen flicker animation */
@keyframes flicker {
  0% { opacity: 0.98; }
  50% { opacity: 1; }
  100% { opacity: 0.98; }
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.3) 100%);
  z-index: 9998;
  animation: flicker 0.15s infinite;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  text-shadow: 0 0 4px var(--color-accent);
  transition: all 0.1s;
}

a:hover {
  text-decoration: underline;
  text-shadow: 0 0 8px var(--color-accent), 0 0 12px var(--color-accent);
  animation: blink 0.5s infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.8; }
}

nav {
  border-bottom: 2px solid var(--color-border);
  padding: var(--spacing);
  background: var(--color-bg);
  box-shadow: 0 0 10px var(--shadow);
  position: relative;
}

nav::before {
  content: '> COOLPIXEL STUDIOS';
  position: absolute;
  top: -1.5rem;
  left: 1rem;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-family: 'VT323', monospace;
}

nav ul {
  list-style: none;
  display: flex;
  gap: calc(var(--spacing) * 2);
  max-width: var(--max-width);
  margin: 0 auto;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  animation: none !important;
}

.logo:hover {
  animation: none !important;
  text-decoration: none !important;
}

.logo img {
  height: 40px;
  width: auto;
  image-rendering: pixelated;
  filter: drop-shadow(0 0 6px var(--color-accent));
  transition: filter 0.2s;
}

.logo img:hover {
  filter: drop-shadow(0 0 10px var(--color-accent)) drop-shadow(0 0 14px var(--color-accent));
}

nav a {
  color: var(--color-text);
  font-weight: 500;
}

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

.lang-switch {
  margin-left: auto;
  display: flex;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.lang-switch a {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.lang-switch a:hover {
  border-color: var(--color-accent);
  text-decoration: none;
}

main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--spacing) * 2);
  width: 100%;
}

.hero {
  text-align: center;
  padding: calc(var(--spacing) * 4) 0;
}

.hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 400;
  margin-bottom: var(--spacing);
  font-family: 'Press Start 2P', monospace;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow:
    2px 2px 0 var(--shadow),
    0 0 10px var(--color-accent),
    0 0 20px var(--color-accent);
  animation: typewriter 2s steps(30) 1;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid var(--color-accent);
  width: fit-content;
  margin: 0 auto var(--spacing);
}

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

@keyframes blink-cursor {
  50% { border-color: transparent; }
}

.hero h1 {
  animation: typewriter 2s steps(30) 1, blink-cursor 0.75s step-end infinite 2s;
}

.hero p {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.section {
  margin: calc(var(--spacing) * 4) 0;
}

.section h2 {
  font-size: clamp(1.3rem, 3vw, 2rem);
  margin-bottom: calc(var(--spacing) * 2);
  text-align: center;
  font-family: 'Press Start 2P', monospace;
  text-transform: uppercase;
  letter-spacing: 3px;
  text-shadow:
    2px 2px 0 var(--shadow),
    0 0 10px var(--color-accent);
  position: relative;
  padding-bottom: 1rem;
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 2px;
  background: var(--color-border);
  box-shadow: 0 0 10px var(--shadow);
}

.section-intro {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto calc(var(--spacing) * 3);
  font-size: 1.1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: calc(var(--spacing) * 2);
  margin-top: calc(var(--spacing) * 2);
}

.card {
  background: var(--card-bg);
  border: 2px solid var(--color-border);
  border-radius: 0;
  padding: calc(var(--spacing) * 1.5);
  transition: all 0.1s;
  box-shadow:
    4px 4px 0 var(--color-border),
    0 0 10px var(--shadow);
  position: relative;
}

.card::before {
  content: '[...]';
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  opacity: 0;
  transition: opacity 0.2s;
}

.card:hover {
  transform: translate(-2px, -2px);
  box-shadow:
    6px 6px 0 var(--color-border),
    0 0 20px var(--shadow),
    0 0 30px var(--shadow);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.card .meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.card .desc {
  margin-bottom: var(--spacing);
}

.card .tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: var(--spacing);
}

.card .tag {
  background: var(--color-bg);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.5rem;
  border-radius: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 2px 2px 0 var(--color-border);
  text-shadow: 0 0 2px var(--color-accent);
}

.card .links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.card .links a {
  font-size: 0.9rem;
  font-weight: 500;
}

form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: calc(var(--spacing) * 1.5);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: 0;
  font-family: 'VT323', monospace;
  font-size: 1.1rem;
  background: var(--color-bg);
  color: var(--color-text);
  box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.5);
  transition: all 0.1s;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow:
    inset 2px 2px 4px rgba(0, 0, 0, 0.5),
    0 0 10px var(--shadow),
    0 0 20px var(--shadow);
  text-shadow: 0 0 4px var(--color-text);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

button {
  background: var(--color-bg);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  padding: 0.75rem 2rem;
  border-radius: 0;
  font-size: 1rem;
  font-family: 'VT323', monospace;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.1s;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow:
    3px 3px 0 var(--color-accent),
    0 0 10px var(--shadow);
  position: relative;
}

button::before {
  content: '> ';
  opacity: 0;
  transition: opacity 0.1s;
}

button:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  transform: translate(-1px, -1px);
  box-shadow:
    4px 4px 0 var(--color-accent),
    0 0 20px var(--shadow),
    0 0 30px var(--shadow);
}

button:hover::before {
  opacity: 1;
}

button:active {
  transform: translate(2px, 2px);
  box-shadow:
    1px 1px 0 var(--color-accent),
    0 0 10px var(--shadow);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  animation: none;
}

.form-message {
  padding: var(--spacing);
  border-radius: 4px;
  margin-bottom: var(--spacing);
  text-align: center;
}

.form-message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.social-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: calc(var(--spacing) * 3);
}

.social-links a {
  font-size: 1.1rem;
  font-weight: 500;
}

footer {
  border-top: 2px solid var(--color-border);
  padding: calc(var(--spacing) * 2);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: auto;
  box-shadow: 0 0 10px var(--shadow);
  position: relative;
}

footer::before {
  content: '[ SYSTEM OK ]';
  position: absolute;
  top: -1.5rem;
  right: 1rem;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  animation: blink 1s infinite;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
}

@media (max-width: 768px) {
  nav ul {
    gap: var(--spacing);
  }

  .lang-switch {
    margin-left: 0;
  }

  .hero h1 {
    white-space: normal;
    overflow: visible;
    width: auto;
    border-right: none;
    animation: none;
  }

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