/* ═══════════════════════════════════════════════════════════════
   GEFF PORTFOLIO — RETRO-FUTURISTIC TERMINAL SYSTEM
   ═══════════════════════════════════════════════════════════════
   Architecture:
   1. Reset & Custom Properties
   2. CRT Overlay Effects
   3. Boot Sequence
   4. Typography System
   5. Layout & Sections
   6. Components (Cards, Terminal, Links)
   7. Animations & Keyframes
   8. Responsive Breakpoints
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────
   §1  RESET & CUSTOM PROPERTIES
   ───────────────────────────────────────────── */

:root {
  /* ── Color Palette ── */
  --bg-primary:       #0a0a0a;
  --bg-secondary:     #111111;
  --bg-tertiary:      #1a1a1a;
  --bg-card:          #0e0e0e;

  --green-phosphor:   #00ff41;
  --green-dim:        #00cc33;
  --green-dark:       #004d00;
  --green-glow:       rgba(0, 255, 65, 0.15);
  --green-glow-strong:rgba(0, 255, 65, 0.35);

  --amber:            #ffb000;
  --amber-dim:        #cc8800;
  --amber-glow:       rgba(255, 176, 0, 0.15);

  --cyan:             #00e5ff;
  --cyan-glow:        rgba(0, 229, 255, 0.15);

  --red-status:       #ff3333;
  --yellow-status:    #ffd700;
  --blue-status:      #4488ff;

  --text-primary:     #00ff41;
  --text-secondary:   #00cc33;
  --text-muted:       #336633;
  --text-white:       #e0e0e0;

  --border-dim:       #1a3a1a;
  --border-active:    #00ff41;

  /* ── Typography ── */
  --font-logo:    'Press Start 2P', 'Courier New', monospace;
  --font-heading: 'Share Tech Mono', 'Consolas', monospace;
  --font-body:    'Fira Code', 'Cascadia Code', 'Consolas', monospace;

  /* ── Spacing ── */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  /* ── Transitions ── */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out-expo);
  --transition-med:  300ms var(--ease-out-expo);
  --transition-slow: 600ms var(--ease-out-expo);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--green-dim) var(--bg-primary);
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom scrollbar (Webkit) */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--green-dark);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--green-dim);
}

::selection {
  background: var(--green-phosphor);
  color: var(--bg-primary);
}


/* ─────────────────────────────────────────────
   §2  CRT OVERLAY EFFECTS
   ─────────────────────────────────────────────
   Two layers:
   - Scanlines (repeating-linear-gradient)
   - Vignette  (radial-gradient darkening edges)
   Both are fixed & pointer-events: none.
   ───────────────────────────────────────────── */

.crt-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  animation: crt-flicker 8s infinite alternate;
}

.crt-vignette {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0, 0, 0, 0.5) 100%
  );
}


/* ─────────────────────────────────────────────
   §3  BOOT SEQUENCE
   ───────────────────────────────────────────── */

.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--space-lg) var(--space-xl);
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-primary);
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

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

.boot-log {
  max-width: 700px;
  max-height: 60vh;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.5;
  text-shadow: 0 0 8px var(--green-glow-strong);
}

.boot-log .log-line {
  opacity: 0;
  animation: log-appear 0.1s forwards;
}

.boot-progress {
  width: 100%;
  max-width: 700px;
  height: 4px;
  background: var(--bg-tertiary);
  margin-top: var(--space-lg);
  border-radius: 2px;
  overflow: hidden;
}

.boot-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--green-phosphor);
  box-shadow: 0 0 12px var(--green-glow-strong);
  transition: width 0.15s linear;
}

.boot-status {
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: blink-text 1s step-end infinite;
}


/* ─────────────────────────────────────────────
   §4  TYPOGRAPHY SYSTEM
   ───────────────────────────────────────────── */

.text-green  { color: var(--green-phosphor); }
.text-amber  { color: var(--amber); }
.text-cyan   { color: var(--cyan); }

h1, h2, h3 {
  font-weight: 400;
}


/* ─────────────────────────────────────────────
   §5  LAYOUT & SECTIONS
   ───────────────────────────────────────────── */

.main-content {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.main-content.visible {
  display: block !important;
  animation: fadeIn 1s var(--ease-out-expo);
}

.section {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--border-dim);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-lg);
  text-shadow: 0 0 20px var(--amber-glow);
}

.section-prefix {
  color: var(--text-muted);
  margin-right: var(--space-sm);
  font-size: 0.85em;
}

.section-desc {
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  font-size: 0.85rem;
}


/* ─── HERO ─── */

.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  position: relative;
  padding: var(--space-xl) 0;
}

.hero-inner {
  max-width: 800px;
}

.hero-prefix {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.1em;
}

.hero-name {
  font-family: var(--font-logo);
  font-size: clamp(1.2rem, 4vw, 2.4rem);
  color: var(--green-phosphor);
  line-height: 1.4;
  text-shadow:
    0 0 10px var(--green-glow-strong),
    0 0 40px var(--green-glow),
    0 0 80px rgba(0, 255, 65, 0.05);
  display: inline;
  word-break: break-word;
}

.hero-cursor {
  display: inline-block;
  font-family: var(--font-logo);
  font-size: clamp(1.2rem, 4vw, 2.4rem);
  color: var(--green-phosphor);
  animation: blink-cursor 1s step-end infinite;
  text-shadow: 0 0 10px var(--green-glow-strong);
  vertical-align: baseline;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(0.75rem, 2vw, 1rem);
  color: var(--amber);
  margin-top: var(--space-lg);
  letter-spacing: 0.08em;
  text-shadow: 0 0 15px var(--amber-glow);
  min-height: 1.5em;
}

.hero-divider {
  width: 80px;
  height: 2px;
  background: var(--green-phosphor);
  box-shadow: 0 0 10px var(--green-glow-strong);
  margin: var(--space-lg) 0;
}

.hero-status {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--green-phosphor);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green-phosphor);
  animation: pulse-dot 2s ease-in-out infinite;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  animation: float-down 2s ease-in-out infinite;
}


/* ─── TERMINAL BOX (About) ─── */

.terminal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  overflow: hidden;
  box-shadow:
    0 0 20px rgba(0, 255, 65, 0.03),
    inset 0 0 40px rgba(0, 0, 0, 0.3);
}

.terminal-header {
  background: var(--bg-tertiary);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-bottom: 1px solid var(--border-dim);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot.red    { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green  { background: #27c93f; }

.terminal-title {
  margin-left: var(--space-md);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.terminal-body {
  padding: var(--space-lg);
}

.terminal-prompt {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-primary);
  text-shadow: 0 0 6px var(--green-glow);
}

.prompt-symbol {
  color: var(--amber);
  margin-right: var(--space-sm);
  font-weight: 600;
}

.tech-stack {
  margin-top: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.stack-label {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-right: var(--space-sm);
}

.stack-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--green-dim);
  color: var(--green-phosphor);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  background: rgba(0, 255, 65, 0.04);
  transition: var(--transition-fast);
}

.stack-tag:hover {
  background: rgba(0, 255, 65, 0.12);
  box-shadow: 0 0 15px var(--green-glow);
}

.blink-tag {
  animation: tag-pulse 3s ease-in-out infinite;
  animation-delay: var(--delay);
}


/* ─── PROJECT CARDS ─── */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: var(--transition-med);
  cursor: default;
}

/* Neon glow border on hover */
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  transition: var(--transition-med);
  pointer-events: none;
}

.project-card:hover {
  border-color: var(--green-dim);
  transform: translateY(-4px);
  box-shadow:
    0 0 25px var(--green-glow),
    inset 0 0 25px rgba(0, 255, 65, 0.02);
}

.project-card:hover::before {
  border-color: var(--green-phosphor);
  box-shadow: 0 0 15px var(--green-glow);
}

/* Corner decoration */
.project-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 24px;
  height: 24px;
  border-top: 2px solid var(--green-dim);
  border-right: 2px solid var(--green-dim);
  opacity: 0.4;
  transition: var(--transition-med);
}

.project-card:hover::after {
  opacity: 1;
  border-color: var(--green-phosphor);
  box-shadow: 3px -3px 10px var(--green-glow);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.card-id {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

.card-status {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.card-status.active      { color: var(--green-phosphor); }
.card-status.operational { color: var(--cyan); }
.card-status.completed   { color: var(--amber); }
.card-status.research    { color: var(--blue-status); }

.card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--text-white);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.05em;
}

.card-role {
  font-size: 0.75rem;
  color: var(--amber-dim);
  margin-bottom: var(--space-md);
  letter-spacing: 0.03em;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.card-tags span {
  font-size: 0.65rem;
  padding: 2px 8px;
  border: 1px solid var(--border-dim);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: var(--transition-fast);
}

.project-card:hover .card-tags span {
  border-color: var(--green-dim);
  color: var(--green-dim);
}


/* ─── ACHIEVEMENT CARD (Adventure Quest) ─── */

.project-card--achievement {
  border-color: var(--amber-dim);
  background:
    linear-gradient(
      135deg,
      rgba(255, 176, 0, 0.03) 0%,
      var(--bg-card) 40%
    );
}

.project-card--achievement:hover {
  border-color: var(--amber);
  box-shadow:
    0 0 30px var(--amber-glow),
    inset 0 0 30px rgba(255, 176, 0, 0.03);
}

.project-card--achievement::after {
  border-color: var(--amber-dim);
}

.project-card--achievement:hover::after {
  border-color: var(--amber);
  box-shadow: 3px -3px 10px var(--amber-glow);
}

.card-status.impact {
  color: var(--amber);
}

/* Achievement banner — pulsing game-style badge */
.achievement-banner {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  margin: calc(-1 * var(--space-lg));
  margin-bottom: var(--space-md);
  background:
    linear-gradient(
      90deg,
      rgba(255, 176, 0, 0.12) 0%,
      rgba(255, 176, 0, 0.04) 60%,
      transparent 100%
    );
  border-bottom: 1px solid rgba(255, 176, 0, 0.2);
  animation: achievement-pulse 3s ease-in-out infinite;
}

.achievement-icon {
  font-size: 1.2rem;
}

.achievement-text {
  font-family: var(--font-logo);
  font-size: 0.6rem;
  color: var(--amber);
  letter-spacing: 0.15em;
  text-shadow: 0 0 12px var(--amber-glow);
  animation: blink-text 1.5s step-end infinite;
}

/* Moção de Louvor callout */
.achievement-louvor {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  border: 1px solid rgba(255, 176, 0, 0.25);
  background: rgba(255, 176, 0, 0.04);
  position: relative;
}

.achievement-louvor::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber-glow);
}

.louvor-icon {
  color: var(--amber);
  font-size: 1rem;
  margin-right: var(--space-xs);
  text-shadow: 0 0 8px var(--amber-glow);
}

.louvor-text {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--amber);
  letter-spacing: 0.1em;
  text-shadow: 0 0 10px var(--amber-glow);
}

.louvor-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
  line-height: 1.5;
}

@keyframes achievement-pulse {
  0%, 100% { background-position: 0% 50%; }
  50%      { box-shadow: inset 0 0 20px rgba(255, 176, 0, 0.06); }
}


/* ─── BROADCAST / RADIO UI (Conexão UFMT) ─── */

.broadcast-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-dim);
  padding: var(--space-lg);
  overflow: hidden;
  transition: var(--transition-med);
}

.broadcast-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 25px var(--cyan-glow);
}

/* Radio panel */
.radio-ui {
  background: var(--bg-primary);
  border: 1px solid var(--border-dim);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.radio-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.radio-freq {
  font-family: var(--font-logo);
  font-size: 0.65rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-shadow: 0 0 10px var(--cyan-glow);
}

.radio-status {
  font-size: 0.65rem;
  color: var(--red-status);
  letter-spacing: 0.1em;
  animation: blink-text 1.2s step-end infinite;
}

/* Spectrogram — pure CSS animated equalizer bars */
.spectrogram {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 80px;
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

.spec-bar {
  flex: 1;
  background: var(--green-phosphor);
  border-radius: 1px 1px 0 0;
  min-height: 4px;
  box-shadow: 0 0 6px var(--green-glow);
  animation: spec-bounce 1.2s ease-in-out infinite alternate;
  animation-delay: calc(var(--i) * 0.08s);
}

/* Varied heights for realism */
.spec-bar:nth-child(odd)  { animation-duration: 0.9s; }
.spec-bar:nth-child(3n)   { animation-duration: 1.4s; }
.spec-bar:nth-child(5n)   { animation-duration: 0.7s; }
.spec-bar:nth-child(7n)   { animation-duration: 1.1s; }

@keyframes spec-bounce {
  0%   { height: 8%;  opacity: 0.5; }
  25%  { height: 55%; opacity: 0.8; }
  50%  { height: 30%; opacity: 0.6; }
  75%  { height: 85%; opacity: 1;   }
  100% { height: 15%; opacity: 0.5; }
}

/* Radio dial */
.radio-dial {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.dial-mark.active {
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan-glow);
  font-size: 0.85rem;
}

/* Broadcast info */
.broadcast-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.broadcast-info .card-title {
  color: var(--cyan);
}

.broadcast-info .card-role {
  color: rgba(0, 229, 255, 0.65);
}

.broadcast-capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.capability {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--border-dim);
  transition: var(--transition-fast);
}

.broadcast-card:hover .capability {
  border-color: rgba(0, 229, 255, 0.3);
}

.cap-icon {
  color: var(--cyan);
  font-size: 0.6rem;
}


/* ─── LEADERSHIP ─── */

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.leadership-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-dim);
  padding: var(--space-lg);
  position: relative;
  transition: var(--transition-med);
}

.leadership-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--amber-dim);
  transition: var(--transition-med);
}

.leadership-card:hover {
  border-color: var(--amber-dim);
  box-shadow: 0 0 20px var(--amber-glow);
}

.leadership-card:hover::before {
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber-glow);
}

.leadership-icon {
  font-size: 1.5rem;
  color: var(--amber);
  margin-bottom: var(--space-md);
  text-shadow: 0 0 15px var(--amber-glow);
}

.leadership-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--text-white);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.05em;
}

.leadership-org {
  font-size: 0.75rem;
  color: var(--amber-dim);
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
}

.leadership-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
}


/* ─── FOOTER / CONTACT ─── */

.footer-section {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--border-dim);
  text-align: center;
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-inner .section-title {
  text-align: center;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-xl);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

/* ── GLITCH LINK ── */
.glitch-link {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-white);
  text-decoration: none;
  letter-spacing: 0.1em;
  position: relative;
  transition: var(--transition-fast);
  padding: var(--space-sm) var(--space-md);
}

.glitch-link span {
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.glitch-link:hover {
  color: var(--green-phosphor);
  text-shadow: 0 0 10px var(--green-glow-strong);
}

.glitch-link:hover span {
  color: var(--green-phosphor);
}

/* Glitch pseudo-elements */
.glitch-link::before,
.glitch-link::after {
  content: attr(data-text);
  position: absolute;
  left: var(--space-md);
  top: var(--space-sm);
  opacity: 0;
  pointer-events: none;
}

.glitch-link:hover::before {
  opacity: 0.7;
  color: var(--cyan);
  animation: glitch-1 0.3s infinite linear alternate-reverse;
}

.glitch-link:hover::after {
  opacity: 0.7;
  color: var(--red-status);
  animation: glitch-2 0.3s infinite linear alternate-reverse;
}

/* ── CONTACT BUTTON ── */
.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--bg-primary);
  background: var(--green-phosphor);
  border: none;
  padding: var(--space-md) var(--space-xl);
  letter-spacing: 0.12em;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-med);
  box-shadow:
    0 0 20px var(--green-glow),
    0 0 60px rgba(0, 255, 65, 0.08);
}

.contact-btn:hover {
  background: var(--text-white);
  color: var(--bg-primary);
  box-shadow:
    0 0 30px rgba(255, 255, 255, 0.15),
    0 0 60px rgba(0, 255, 65, 0.1);
  transform: translateY(-2px);
}

.contact-btn .btn-icon {
  transition: transform var(--transition-fast);
}

.contact-btn:hover .btn-icon {
  transform: translateX(3px);
}

/* Sweep effect on button */
.contact-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  transition: left 0.5s ease;
}

.contact-btn:hover::before {
  left: 100%;
}

.footer-copyright {
  margin-top: var(--space-xl);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.footer-version {
  margin-top: var(--space-xs);
  font-size: 0.6rem;
  opacity: 0.5;
}


/* ─── CURSOR GLOW (mouse follower) ─── */

.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(
    circle,
    rgba(0, 255, 65, 0.06) 0%,
    transparent 70%
  );
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}

.cursor-glow.active {
  opacity: 1;
}


/* ─────────────────────────────────────────────
   §7  ANIMATIONS & KEYFRAMES
   ───────────────────────────────────────────── */

/* CRT scanline flicker */
@keyframes crt-flicker {
  0%   { opacity: 1; }
  92%  { opacity: 1; }
  93%  { opacity: 0.85; }
  94%  { opacity: 1; }
  96%  { opacity: 0.92; }
  97%  { opacity: 1; }
  100% { opacity: 1; }
}

/* Blinking cursor */
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* Blinking text */
@keyframes blink-text {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* Boot log lines appearing */
@keyframes log-appear {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Pulse dot (status indicator) */
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 8px var(--green-phosphor); }
  50%      { box-shadow: 0 0 16px var(--green-phosphor), 0 0 24px var(--green-glow); }
}

/* Floating scroll indicator */
@keyframes float-down {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.5; }
  50%      { transform: translateX(-50%) translateY(10px); opacity: 1; }
}

/* Tag subtle pulse */
@keyframes tag-pulse {
  0%, 100% { border-color: var(--green-dim); }
  50%      { border-color: var(--green-phosphor); box-shadow: 0 0 8px var(--green-glow); }
}

/* Glitch effects for links */
@keyframes glitch-1 {
  0%   { clip-path: inset(20% 0 60% 0); transform: translate(-3px, -2px); }
  20%  { clip-path: inset(80% 0 5%  0); transform: translate(2px, 1px); }
  40%  { clip-path: inset(10% 0 70% 0); transform: translate(-1px, 3px); }
  60%  { clip-path: inset(50% 0 30% 0); transform: translate(3px, -1px); }
  80%  { clip-path: inset(30% 0 40% 0); transform: translate(-2px, 2px); }
  100% { clip-path: inset(70% 0 10% 0); transform: translate(1px, -3px); }
}

@keyframes glitch-2 {
  0%   { clip-path: inset(60% 0 20% 0); transform: translate(3px, 2px); }
  20%  { clip-path: inset(5%  0 80% 0); transform: translate(-2px, -1px); }
  40%  { clip-path: inset(70% 0 10% 0); transform: translate(1px, -3px); }
  60%  { clip-path: inset(30% 0 50% 0); transform: translate(-3px, 1px); }
  80%  { clip-path: inset(40% 0 30% 0); transform: translate(2px, -2px); }
  100% { clip-path: inset(10% 0 70% 0); transform: translate(-1px, 3px); }
}

/* Fade-in for main content */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll-reveal animation for sections */
.section,
.footer-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.section.revealed,
.footer-section.revealed {
  opacity: 1;
  transform: translateY(0);
}


/* ─────────────────────────────────────────────
   §8  RESPONSIVE BREAKPOINTS
   ───────────────────────────────────────────── */

/* ── Mobile-first adjustments (< 480px) ── */
@media (max-width: 480px) {
  html { font-size: 14px; }

  .main-content {
    padding: 0 var(--space-md);
  }

  .boot-screen {
    padding: var(--space-md);
  }

  .hero-name {
    font-size: 1rem;
  }

  .hero-cursor {
    font-size: 1rem;
  }

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

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

  .footer-links {
    flex-direction: column;
    gap: var(--space-md);
  }

  .contact-btn {
    width: 100%;
    justify-content: center;
  }

  .terminal-body {
    padding: var(--space-md);
  }

  .tech-stack {
    gap: var(--space-xs);
  }

  .scroll-indicator {
    display: none;
  }

  .broadcast-card {
    grid-template-columns: 1fr;
  }

  .spectrogram {
    height: 50px;
  }

  .broadcast-capabilities {
    flex-direction: column;
  }

  .achievement-banner {
    margin: calc(-1 * var(--space-md));
    margin-bottom: var(--space-md);
  }
}

/* ── Tablet (481px – 768px) ── */
@media (min-width: 481px) and (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .hero-name {
    font-size: 1.5rem;
  }

  .hero-cursor {
    font-size: 1.5rem;
  }

  .broadcast-card {
    grid-template-columns: 1fr;
  }
}

/* ── Desktop (769px – 1440px) — mostly defaults ── */

/* ── Ultrawide (> 1440px) ── */
@media (min-width: 1441px) {
  .main-content {
    max-width: 1400px;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-section {
    padding-left: var(--space-xl);
  }
}

/* ── Super Ultrawide (> 2000px) ── */
@media (min-width: 2001px) {
  html { font-size: 18px; }

  .main-content {
    max-width: 1600px;
  }
}