/* --- RESET & VARIABLES --- */
:root {
  --bg-color: #080808;
  --terminal-bg: rgba(13, 13, 13, 0.95);
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-desc-pc: #d61d1d;
  --accent-green: #22c55e;
  --accent-orange: #ffa500;
  --accent-blue: #3b82f6;
  --window-border: rgba(255, 255, 255, 0.1);
  --font-mono: "Space Mono", monospace;
  --font-sans: "Inter", sans-serif;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
}

/* --- LAYOUT --- */
.app-container {
  width: 100%;
  padding: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

/* Cinematic háttér animáció */
.bg-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(
      circle at 15% 15%,
      rgba(34, 197, 94, 0.04) 0%,
      transparent 35%
    ),
    radial-gradient(
      circle at 85% 85%,
      rgba(59, 130, 246, 0.04) 0%,
      transparent 35%
    );
  pointer-events: none;
  z-index: 1;
}

/* --- TERMINAL COMPONENT --- */
.terminal-window {
  width: 100%;
  max-width: 800px;
  background: var(--terminal-bg);
  border: 1px solid var(--window-border);
  border-radius: 12px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s var(--transition-smooth),
    transform 0.8s var(--transition-smooth),
    filter 0.5s var(--transition-smooth);
}

.terminal-window.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
.terminal-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
  border-bottom: 1px solid var(--window-border);
}

.window-controls {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.red {
  background: #ff5f56;
}
.yellow {
  background: #ffbd2e;
}
.green {
  background: #27c93f;
}

.window-title {
  flex-grow: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-right: 40px;
  letter-spacing: 0.5px;
}

/* Body tartalom */
.terminal-body {
  padding: clamp(1.5rem, 5vw, 3rem);
  min-height: 380px;
}

.command-line {
  margin-bottom: 1.5rem;
  font-size: clamp(0.85rem, 2vw, 1.05rem);
}

.prompt {
  color: var(--accent-green);
  margin-right: 12px;
}

.profile-section {
  margin: 2rem 0 3rem 0;
}

.main-title {
  font-size: clamp(1.6rem, 6vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 3px;
  margin-bottom: 0.75rem;
  line-height: 1.1;
}

.subtitle {
  color: var(--text-secondary);
  font-size: clamp(0.8rem, 1.5vw, 0.95rem);
  max-width: 500px;
  line-height: 1.5;
}

/* --- BUTTONS & NAVIGATION --- */
.version-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

.version-item {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  font-size: 1.15rem;
  font-weight: bold;
  width: fit-content;
  transition:
    transform 0.4s var(--transition-smooth),
    filter 0.3s ease;
}

.btn-text {
  padding: 0 12px;
}

.bracket {
  color: var(--text-secondary);
  transition:
    color 0.3s,
    transform 0.3s;
  display: inline-block;
}

.btn-v1 {
  color: var(--accent-orange);
}
.btn-v2 {
  color: var(--accent-blue);
}

.btn:hover {
  transform: translateX(5px);
}

.btn:active {
  transform: scale(0.95);
}

.btn:hover .bracket {
  color: var(--text-primary);
}

.version-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding-left: 4px;
  opacity: 0.8;
}

.version-desc-pc {
  font-size: 0.75rem;
  color: var(--text-desc-pc);
  padding-left: 4px;
  opacity: 0.8;
}

/* Kurzus animáció */
.cursor {
  display: inline-block;
  width: 8px;
  height: 1.2em;
  background: var(--text-primary);
  vertical-align: middle;
  margin-left: 4px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* --- SYSTEM FOOTER --- */
.system-footer {
  position: fixed;
  bottom: 1.5rem;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 1.5px;
  z-index: 3;
  text-transform: uppercase;
}

/* --- ACCESSIBILITY --- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 600px) {
  .terminal-window {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .version-selector {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .system-footer {
    flex-direction: row;
    gap: 1rem;
    font-size: 0.6rem;
  }
}