/* ═══════════════════════════════════════════════════════
   SARATH.OS — DESIGN SYSTEM TOKENS & STYLES
   No border-radius anywhere. Zero.
   ═══════════════════════════════════════════════════════ */

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

:root {
  /* Typography */
  --font-mono: 'Share Tech Mono', 'Courier New', monospace;
  --font-size-xs: 10px;
  --font-size-sm: 11px;
  --font-size-base: 13px;
  --font-size-lg: 16px;
  --font-size-hero: clamp(8px, 1.4vw, 14px);

  /* Color */
  --color-bg:        #020d05;
  --color-bg-2:      #040f06;
  --color-green:     #00ff41;
  --color-green-dim: #00aa2c;
  --color-green-dark:#003a0e;
  --color-amber:     #ffb300;
  --color-red:       #ff2d55;
  --color-blue:      #00cfff;
  --color-white:     #e8ffe8;
  --color-scanline:  rgba(0,0,0,0.08);
  --color-grid:      rgba(0,255,65,0.03);

  /* Spacing */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   32px;
  --space-xl:   64px;
  --space-section: 100px;

  /* Motion */
  --dur-fast:   120ms;
  --dur-base:   300ms;
  --dur-slow:   600ms;
  --dur-boot:   2400ms;
  --ease-terminal: cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-glitch:   steps(1, end);

  /* Radius — ALL ZERO. TERMINAL HAS NO CURVES. */
  --radius-none: 0px;

  /* Shadows / Glow */
  --glow-green:  0 0 8px rgba(0,255,65,0.6);
  --glow-amber:  0 0 8px rgba(255,179,0,0.5);
  --glow-red:    0 0 8px rgba(255,45,85,0.5);
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-mono);
  background: var(--color-bg);
  color: var(--color-white);
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── ACCESSIBILITY ──────────────────────────────────── */
:focus-visible {
  outline: 1px solid var(--color-green);
  outline-offset: 2px;
  box-shadow: var(--glow-green);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #matrix-canvas { display: none; }
  .boot-cursor  { animation: none; opacity: 1; }
  .role-cursor  { animation: none; opacity: 1; }
}

/* ── SCANLINES OVERLAY ───────────────────────────────── */
#scanlines {
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    var(--color-scanline) 2px,
    var(--color-scanline) 4px
  );
}

/* ── NOISE CANVAS ────────────────────────────────────── */
#noise-canvas {
  position: fixed;
  inset: 0;
  z-index: 9994;
  pointer-events: none;
  opacity: 0.025;
  width: 100%;
  height: 100%;
}

/* ── MATRIX RAIN CANVAS ──────────────────────────────── */
#matrix-canvas {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.15;
  width: 60px;
  height: 100vh;
}

/* ── KONAMI FLASH ────────────────────────────────────── */
#konami-flash {
  position: fixed;
  inset: 0;
  z-index: 20000;
  pointer-events: none;
  background: var(--color-green);
  opacity: 0;
}

/* ── BACKGROUND HOVER INTERACTION CANVAS ─────────────── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

#cursor-art.visible {
  opacity: 0.9;
}

/* ═══════════════════════════════════════════════════════
   BOOT SCREEN
   ═══════════════════════════════════════════════════════ */
#boot-screen {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  overflow: hidden;
}

.boot-output {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.boot-line {
  color: var(--color-green);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  white-space: pre;
  opacity: 0.85;
  line-height: 2;
}

.boot-line.system  { color: var(--color-green-dim); }
.boot-line.success { color: var(--color-green); }
.boot-line.amber   { color: var(--color-amber); }
.boot-line.error   { color: var(--color-red); }
.boot-line.blue    { color: var(--color-blue); }

.boot-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--color-green);
  vertical-align: middle;
  margin-left: 2px;
  animation: boot-blink 100ms steps(1, end) infinite;
}

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

/* ═══════════════════════════════════════════════════════
   MAIN APP
   ═══════════════════════════════════════════════════════ */
#app {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  opacity: 0;
}

/* ── NAV ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 9996;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: fit-content;
  max-width: 100vw;
  padding: var(--space-sm) var(--space-md);
  gap: var(--space-md);
  background: rgba(2, 13, 5, 0.92);
  border-bottom: 1px solid var(--color-green-dark);
  border-left: 1px solid var(--color-green-dark);
  backdrop-filter: blur(4px);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-logo {
  font-size: var(--font-size-xs);
  color: var(--color-amber);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.nav-sep {
  color: var(--color-green-dark);
  font-size: var(--font-size-xs);
}

.nav-version {
  font-size: var(--font-size-xs);
  color: var(--color-green-dark);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-size: var(--font-size-xs);
  color: var(--color-green-dim);
  text-decoration: none;
  letter-spacing: 3px;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease-terminal);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-green);
  transition: width var(--dur-base) var(--ease-terminal);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #ffffff;
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  width: 100%;
  background: #ffffff;
}

.nav-clock {
  font-size: var(--font-size-xs);
  color: var(--color-green-dim);
  letter-spacing: 1px;
  white-space: nowrap;
  border-left: 1px solid var(--color-green-dark);
  padding-left: var(--space-sm);
}

/* ═══════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  padding-bottom: var(--space-xl);
  gap: var(--space-sm);
}

.hero-ascii {
  font-size: var(--font-size-xs);
  color: var(--color-green-dark);
  line-height: 1.2;
  user-select: none;
}

.hero-name {
  font-size: clamp(28px, 5vw, 64px);
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--color-green);
  text-shadow: var(--glow-green);
  letter-spacing: 4px;
  position: relative;
  display: inline-block;
  user-select: none;
}

/* glitch layers — inserted by JS */
.glitch-text { position: relative; display: inline-block; }

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
}

.glitch-text::before {
  color: #ff2d55;
  z-index: -1;
}

.glitch-text::after {
  color: #00cfff;
  z-index: -2;
}

.glitch-active .glitch-text::before {
  animation: none;
  opacity: 0;
}

.glitch-active .glitch-text::after {
  animation: none;
  opacity: 0;
}

.hero-divider {
  color: var(--color-green-dark);
  font-size: var(--font-size-xs);
  letter-spacing: 2px;
  user-select: none;
  width: 100%;
  max-width: 700px;
  overflow: hidden;
}

.hero-role {
  font-size: var(--font-size-lg);
  color: var(--color-amber);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 24px;
}

.role-prefix {
  color: var(--color-green);
}

.role-text {
  border-bottom: 1px solid var(--color-amber);
}

.role-cursor {
  color: var(--color-amber);
  animation: cursor-blink 600ms steps(1, end) infinite;
}

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

.hero-tagline {
  color: var(--color-amber);
  font-size: var(--font-size-sm);
  letter-spacing: 2px;
  margin-top: var(--space-sm);
}

.hero-sub {
  color: var(--color-green-dark);
  font-size: var(--font-size-xs);
  letter-spacing: 3px;
}

/* ═══════════════════════════════════════════════════════
   SECTIONS (generic)
   ═══════════════════════════════════════════════════════ */
.section {
  padding: var(--space-section) 0;
  border-top: 1px solid var(--color-green-dark);
}

.section-header {
  margin-bottom: var(--space-lg);
}

.section-num {
  display: inline-block;
  color: var(--color-amber);
  font-size: var(--font-size-xs);
  letter-spacing: 2px;
  margin-bottom: var(--space-xs);
  border: 1px solid var(--color-amber);
  padding: 2px 6px;
}

.section-ascii {
  font-size: var(--font-size-xs);
  color: var(--color-green-dim);
  letter-spacing: 1px;
}

.section-body p,
.section-body .sys-row {
  opacity: 0;
  transform: translateX(-20px);
}

/* ═══════════════════════════════════════════════════════
   ABOUT — SYS BLOCK
   ═══════════════════════════════════════════════════════ */
.sys-block {
  border: 1px solid var(--color-green-dark);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  position: relative;
  background: rgba(0,255,65,0.01);
}

.sys-label {
  position: absolute;
  top: 0;
  left: var(--space-sm);
  transform: translateY(-50%);
  font-size: var(--font-size-xs);
  color: var(--color-amber);
  background: var(--color-bg);
  padding: 0 var(--space-xs);
}

.sys-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-xs) var(--space-md);
  padding-top: var(--space-xs);
}

.sys-row {
  font-size: var(--font-size-sm);
  display: contents;
}

.sys-key {
  color: var(--color-green-dim);
  grid-column: 1;
}

.sys-val {
  color: var(--color-white);
  grid-column: 2;
  word-break: break-all;
}

.about-bio {
  border-left: 2px solid var(--color-green-dark);
  padding-left: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.about-bio p {
  font-size: var(--font-size-sm);
  color: var(--color-green-dim);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════
   TIMELINE (Experience)
   ═══════════════════════════════════════════════════════ */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--color-green-dark);
  padding-left: var(--space-lg);
}

.t-entry {
  position: relative;
  padding: var(--space-md) 0;
  transition: opacity var(--dur-base) var(--ease-terminal);
}

.t-entry::before {
  content: '>';
  position: absolute;
  left: calc(-1 * var(--space-lg) - 5px);
  top: var(--space-md);
  color: var(--color-amber);
  font-size: var(--font-size-xs);
  transition: color var(--dur-fast) var(--ease-terminal);
}

.t-entry:hover::before {
  color: var(--color-white);
}

.t-entry:hover .t-role,
.t-entry:focus-visible .t-role {
  color: var(--color-white);
  text-shadow: 0 0 8px rgba(255,255,255,0.4);
}

.t-entry:hover .t-content p,
.t-entry:focus-visible .t-content p {
  color: var(--color-white);
  border-left-color: rgba(255,255,255,0.4);
}

.t-date {
  font-size: var(--font-size-xs);
  color: var(--color-amber);
  letter-spacing: 1px;
  margin-bottom: var(--space-xs);
}

.t-role {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-xs);
}

.t-content p {
  font-size: var(--font-size-sm);
  color: var(--color-green-dim);
  line-height: 1.7;
  padding-left: var(--space-sm);
  border-left: 1px solid var(--color-green-dark);
}

/* ═══════════════════════════════════════════════════════
   PROJECT CARDS
   ═══════════════════════════════════════════════════════ */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.proj-card {
  border: 1px solid var(--color-green-dark);
  padding: var(--space-md);
  position: relative;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-terminal),
              background var(--dur-fast) var(--ease-terminal),
              box-shadow var(--dur-fast) var(--ease-terminal);
  background: rgba(2,13,5,0.6);
}

.proj-card:hover,
.proj-card:focus-visible {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.02);
  box-shadow: 0 0 8px rgba(255,255,255,0.3);
}

.proj-label {
  font-size: var(--font-size-xs);
  color: var(--color-amber);
  letter-spacing: 2px;
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
}

.proj-title {
  font-size: var(--font-size-sm);
  color: var(--color-green);
  font-family: var(--font-mono);
  font-weight: 400;
  margin-bottom: var(--space-sm);
  letter-spacing: 1px;
}

.proj-output {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--dur-slow) cubic-bezier(0.4, 0, 0.2, 1),
              opacity var(--dur-base) var(--ease-terminal),
              margin var(--dur-slow) var(--ease-terminal);
  margin-bottom: 0;
}

.proj-output p {
  font-size: var(--font-size-xs);
  color: var(--color-green-dim);
  line-height: 1.8;
}

.proj-card:hover .proj-output,
.proj-card:focus-visible .proj-output {
  max-height: 220px;
  opacity: 1;
  margin-bottom: var(--space-sm);
}

.proj-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-amber);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.proj-card:hover .proj-label,
.proj-card:focus-visible .proj-label {
  color: var(--color-white);
  text-shadow: 0 0 8px rgba(255,255,255,0.5);
}

.proj-card:hover .proj-title,
.proj-card:focus-visible .proj-title {
  color: var(--color-white);
  text-shadow: 0 0 10px rgba(255,255,255,0.6);
}

.proj-card:hover .proj-output p,
.proj-card:focus-visible .proj-output p {
  color: #ffffff;
}

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

.proj-tags span {
  font-size: var(--font-size-xs);
  color: var(--color-green-dark);
  border: 1px solid var(--color-green-dark);
  padding: 2px 5px;
  letter-spacing: 1px;
  transition: color var(--dur-fast) var(--ease-terminal),
              border-color var(--dur-fast) var(--ease-terminal);
}

.proj-card:hover .proj-tags span,
.proj-card:focus-visible .proj-tags span {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}

/* ═══════════════════════════════════════════════════════
   STATS ROW
   ═══════════════════════════════════════════════════════ */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-green-dark);
}

.stat-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  min-width: 100px;
}

.stat-num-wrap {
  display: flex;
  align-items: baseline;
  gap: 2px;
  line-height: 1;
}

.stat-num {
  font-size: 36px;
  color: var(--color-green);
  text-shadow: var(--glow-green);
  font-variant-numeric: tabular-nums;
}

.stat-suffix {
  font-size: 20px;
  color: var(--color-green);
  text-shadow: var(--glow-green);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-green-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════════
   SKILLS BARS
   ═══════════════════════════════════════════════════════ */
.skills-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.skill-entry {
  display: grid;
  grid-template-columns: 1fr 50px;
  gap: var(--space-sm);
  align-items: center;
}

.skill-name {
  font-size: var(--font-size-sm);
  color: var(--color-green-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.skill-pct {
  font-size: var(--font-size-xs);
  color: var(--color-green);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.skill-bar {
  grid-column: 1 / -1;
  height: 14px;
  background: var(--color-green-dark);
  position: relative;
  overflow: hidden;
}

.skill-bar-fill {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--color-green);
  transition: none; /* animated by anime.js */
  position: relative;
}

.skill-bar-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--color-green);
  box-shadow: var(--glow-green);
  animation: bar-pulse 1s steps(1, end) infinite;
}

@keyframes bar-pulse {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.3; }
}

/* ═══════════════════════════════════════════════════════
   CERTIFICATIONS (HIDDEN — Konami unlock)
   ═══════════════════════════════════════════════════════ */
.hidden-section {
  display: none;
  border: 1px solid var(--color-amber);
  box-shadow: var(--glow-amber);
  animation: cert-glow 1.5s steps(1, end) infinite alternate;
}

.hidden-section.unlocked {
  display: block;
}

@keyframes cert-glow {
  from { box-shadow: var(--glow-amber); }
  to   { box-shadow: 0 0 20px rgba(255,179,0,0.9), 0 0 40px rgba(255,179,0,0.4); }
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-sm);
}

.cert-card {
  border: 1px solid var(--color-amber);
  padding: var(--space-sm);
  color: var(--color-amber);
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
  text-align: center;
  background: rgba(255,179,0,0.03);
}

/* ═══════════════════════════════════════════════════════
   CTA SECTION
   ═══════════════════════════════════════════════════════ */
.cta-section {
  border-top: 1px solid var(--color-green);
  border-bottom: none;
}

.cta-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.cta-pre,
.cta-post {
  font-size: var(--font-size-sm);
  color: var(--color-green-dim);
  letter-spacing: 2px;
}

.cta-btn {
  display: inline-block;
  border: 1px solid var(--color-green);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-green);
  text-decoration: none;
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: color var(--dur-base) var(--ease-terminal);
}

.cta-btn-label {
  position: relative;
  z-index: 1;
}

.cta-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-white);
  transition: left var(--dur-base) var(--ease-terminal);
  z-index: 0;
}

.cta-btn:hover::before,
.cta-btn:focus-visible::before {
  left: 0;
}

.cta-btn:hover,
.cta-btn:focus-visible {
  color: var(--color-bg);
}

/* ═══════════════════════════════════════════════════════
   SECTION-SPECIFIC HOVER COLORS
   ═══════════════════════════════════════════════════════ */

/* EXPERIENCE — amber hover */
#experience .t-entry:hover .t-role,
#experience .t-entry:focus-visible .t-role {
  color: #ffffff;
  text-shadow: 0 0 8px rgba(255,179,0,0.6);
}
#experience .t-entry:hover .t-content p,
#experience .t-entry:focus-visible .t-content p {
  color: #ffffff;
  border-left-color: rgba(255,179,0,0.5);
}
#experience .t-entry:hover::before {
  color: #ffffff;
}

/* PROJECTS hover → pure white */
#projects .proj-card:hover .proj-label,
#projects .proj-card:focus-visible .proj-label,
#projects .proj-card:hover .proj-title,
#projects .proj-card:focus-visible .proj-title {
  color: #ffffff;
}
#projects .proj-card:hover .proj-output p,
#projects .proj-card:focus-visible .proj-output p {
  color: #ffffff;
}
#projects .proj-card:hover,
#projects .proj-card:focus-visible {
  border-color: #ffffff;
  box-shadow: 0 0 8px rgba(255,255,255,0.3);
}

/* SKILLS hover → pure white */
#skills .skill-entry:hover .skill-name,
#skills .skill-entry:focus-visible .skill-name,
#skills .skill-entry:hover .skill-pct,
#skills .skill-entry:focus-visible .skill-pct {
  color: #ffffff;
}

/* CERTIFICATIONS hover → pure white */
#certifications .cert-card:hover,
#certifications .cert-card:focus-visible {
  background: rgba(255,255,255,0.05);
  color: #ffffff;
  border-color: #ffffff;
}

/* HERO hover → pure white */
.hero-name:hover .glitch-text,
.hero-name:focus-visible .glitch-text {
  color: #ffffff;
}
.hero-name:hover .glitch-text::before,
.hero-name:hover .glitch-text::after,
.hero-name:focus-visible .glitch-text::before,
.hero-name:focus-visible .glitch-text::after {
  display: none;
}

.hero-tagline:hover,
.hero-tagline:focus-visible,
.hero-sub:hover,
.hero-sub:focus-visible {
  color: #ffffff;
  cursor: default;
}

.hero-role:hover .role-text,
.hero-role:hover .role-cursor,
.hero-role:focus-visible .role-text,
.hero-role:focus-visible .role-cursor {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

/* CTA — white flash */
.cta-btn:hover,
.cta-btn:focus-visible {
  color: var(--color-bg);
}

/* ═══════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════ */
.footer {
  padding: var(--space-lg) 0;
  text-align: center;
}

.footer-sep {
  color: var(--color-green-dark);
  font-size: var(--font-size-xs);
  user-select: none;
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.footer-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-size: var(--font-size-xs);
  color: var(--color-green-dark);
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
}

.footer-link {
  color: var(--color-green-dim);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-terminal),
              text-shadow var(--dur-fast) var(--ease-terminal);
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--color-white);
  text-shadow: 0 0 8px rgba(255,255,255,0.6);
}

#uptime-counter {
  color: var(--color-green-dim);
}

.footer-copy {
  font-size: var(--font-size-xs);
  color: var(--color-green-dark);
  letter-spacing: 2px;
}

/* ═══════════════════════════════════════════════════════
   UTILITY / ANIMATION HELPERS
   ═══════════════════════════════════════════════════════ */
.reveal-item {
  opacity: 0;
  transform: translateX(-20px);
}

.typing-cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--color-amber);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: cursor-blink 600ms steps(1, end) infinite;
}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --font-size-hero: clamp(10px, 3vw, 18px);
    --space-section: 40px;
  }

  html {
    scroll-behavior: auto;
  }

  #matrix-canvas {
    display: none;
  }

  .nav {
    position: sticky;
    top: 0;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs) var(--space-sm);
    padding: 6px 10px;
    width: 100%;
    max-width: 100vw;
    background: rgba(2, 13, 5, 0.95);
    border-bottom: 1px solid var(--color-green-dark);
    border-left: none;
    z-index: 9996;
  }

  .nav-left {
    width: 100%;
    margin-bottom: 2px;
  }

  .nav-right {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
  }

  .nav-link {
    font-size: 10px;
    letter-spacing: 1px;
    padding: 2px 0;
  }

  .nav-link-icon {
    color: var(--color-green);
    border: 1px solid var(--color-green-dark);
    padding: 1px 4px;
    font-size: 9px;
    letter-spacing: 0;
  }

  .nav-link-icon:hover,
  .nav-link-icon:focus-visible {
    border-color: #ffffff;
    color: var(--color-bg);
    background: #ffffff;
  }

  .nav-link-icon:hover::after,
  .nav-link-icon:focus-visible::after {
    width: 0;
  }

  .nav-clock {
    border-left: none;
    padding-left: 0;
    margin-left: 4px;
    font-size: 9px;
  }

  .hero {
    min-height: auto;
    padding: 20px var(--space-md) 40px;
    gap: var(--space-xs);
  }

  .hero-ascii {
    font-size: 8px;
    line-height: 1.1;
  }

  .hero-name {
    font-size: clamp(24px, 7vw, 40px);
  }

  .hero-divider {
    font-size: 10px;
  }

  .hero-role {
    font-size: var(--font-size-sm);
  }

  .hero-tagline {
    font-size: 10px;
  }

  .hero-sub {
    font-size: 10px;
  }

  .section {
    padding: var(--space-section) 0;
  }

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

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

  .footer-meta {
    flex-direction: column;
    gap: var(--space-xs);
  }

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

  .boot-line {
    font-size: 10px;
    line-height: 1.6;
  }

  .boot-output {
    gap: 4px;
  }
}

@media (max-width: 480px) {
  .nav-link {
    font-size: 10px;
    letter-spacing: 1px;
  }

  .nav-logo {
    font-size: 10px;
  }

  .skill-entry {
    grid-template-columns: 1fr 35px;
  }

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