/* ---------- tokens ---------- */
:root {
  --bg: #050505;
  --bg-1: #0a0a0d;
  --bg-2: #0f0f14;
  --line: rgba(255, 255, 255, 0.06);
  --line-2: rgba(255, 255, 255, 0.1);
  --ink: #e8e8ea;
  --ink-dim: #8a8a93;
  --ink-muted: #5a5a63;
  --invert-text: #050505;
  --nav-bg: rgba(5, 5, 5, 0.6);
  --hero-vignette: radial-gradient(ellipse at center, transparent 30%, rgba(5,5,5,0.85) 80%);
  --grid-line: rgba(255,255,255,0.025);
  --code-trail: rgba(5, 5, 5, 0.08);

  --accent: #7c3aed;
  --accent-2: #00d4ff;
  --accent-3: #00ff9f;
  --accent-rgb: 124, 58, 237;
  --accent-2-rgb: 0, 212, 255;
  --accent-3-rgb: 0, 255, 159;

  --glitch-intensity: 1;
  --scanline-opacity: 0.06;

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

/* ---------- light theme ---------- */
:root[data-theme="light"] {
  --bg: #f4f4f0;
  --bg-1: #ffffff;
  --bg-2: #fafaf7;
  --line: rgba(5, 5, 5, 0.1);
  --line-2: rgba(5, 5, 5, 0.18);
  --ink: #0a0a0a;
  --ink-dim: #2a2a32;
  --ink-muted: #4a4a52;
  --invert-text: #ffffff;
  --nav-bg: rgba(244, 244, 240, 0.85);
  --hero-vignette: radial-gradient(ellipse at center, transparent 30%, rgba(244,244,240,0.7) 85%);
  --grid-line: rgba(5,5,5,0.04);
  --code-trail: rgba(244, 244, 240, 0.12);
}

/* ---------- high-contrast theme ---------- */
:root[data-theme="hc"] {
  --bg: #ffffff;
  --bg-1: #ffffff;
  --bg-2: #ffffff;
  --line: #050505;
  --line-2: #050505;
  --ink: #050505;
  --ink-dim: #0a0a0a;
  --ink-muted: #1a1a1a;
  --invert-text: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.95);
  --hero-vignette: none;
  --grid-line: rgba(5,5,5,0.06);
  --code-trail: rgba(255,255,255,0.2);
  --scanline-opacity: 0;
}
:root[data-theme="hc"] .scanlines::before,
:root[data-theme="hc"] .scanlines::after,
:root[data-theme="hc"] .noise::before { display: none !important; }

/* hard overrides for hardcoded #fff on light/hc */
:root[data-theme="light"] [data-ink="white"],
:root[data-theme="hc"] [data-ink="white"] { color: var(--ink) !important; }
:root[data-theme="light"] [data-bg="dark"],
:root[data-theme="hc"] [data-bg="dark"] {
  background: var(--bg-1) !important;
  border: 1px solid var(--line) !important;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); }
body {
  font-family: var(--font-mono);
  font-feature-settings: "ss01", "ss02", "cv01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: rgba(var(--accent-rgb), 0.4); color: #fff; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

/* ---------- global scanlines overlay ---------- */
.scanlines::before {
  content: "";
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, var(--scanline-opacity)) 0,
    rgba(255, 255, 255, var(--scanline-opacity)) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 50;
  mix-blend-mode: overlay;
}
.scanlines::after {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(var(--accent-rgb), 0.08), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(var(--accent-2-rgb), 0.05), transparent 60%);
  pointer-events: none;
  z-index: 1;
}

/* ---------- container ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) { .container { padding: 0 48px; } }

/* ---------- type ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.8);
  border-radius: 999px;
}
.h-display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
}
.mono-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
}

/* ---------- glitch ---------- */
.glitch {
  position: relative;
  display: inline-block;
}
.glitch[data-text]::before,
.glitch[data-text]::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  opacity: calc(var(--glitch-intensity) * 0.85);
}
.glitch[data-text]::before {
  color: var(--accent);
  transform: translate(calc(var(--glitch-intensity) * -2px), 0);
  mix-blend-mode: screen;
  animation: glitch-x 3.6s infinite steps(1);
  clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
}
.glitch[data-text]::after {
  color: var(--accent-2);
  transform: translate(calc(var(--glitch-intensity) * 2px), 0);
  mix-blend-mode: screen;
  animation: glitch-y 4.2s infinite steps(1);
  clip-path: polygon(0 66%, 100% 66%, 100% 100%, 0 100%);
}
@keyframes glitch-x {
  0%, 92%, 100% { transform: translate(calc(var(--glitch-intensity) * -2px), 0); clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%); }
  93% { transform: translate(calc(var(--glitch-intensity) * -6px), 1px); clip-path: polygon(0 10%, 100% 10%, 100% 28%, 0 28%); }
  95% { transform: translate(calc(var(--glitch-intensity) * 4px), -1px); clip-path: polygon(0 40%, 100% 40%, 100% 55%, 0 55%); }
  97% { transform: translate(calc(var(--glitch-intensity) * -2px), 0); clip-path: polygon(0 60%, 100% 60%, 100% 75%, 0 75%); }
}
@keyframes glitch-y {
  0%, 90%, 100% { transform: translate(calc(var(--glitch-intensity) * 2px), 0); clip-path: polygon(0 66%, 100% 66%, 100% 100%, 0 100%); }
  91% { transform: translate(calc(var(--glitch-intensity) * 5px), 1px); clip-path: polygon(0 50%, 100% 50%, 100% 65%, 0 65%); }
  94% { transform: translate(calc(var(--glitch-intensity) * -3px), -1px); clip-path: polygon(0 80%, 100% 80%, 100% 95%, 0 95%); }
  96% { transform: translate(calc(var(--glitch-intensity) * 2px), 0); clip-path: polygon(0 70%, 100% 70%, 100% 90%, 0 90%); }
}

/* ---------- buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--invert-text);
  background: var(--accent);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.7s ease;
  pointer-events: none;
}
.btn:hover::after { transform: translateX(100%); }
.btn:hover {
  box-shadow:
    0 0 0 1px rgba(var(--accent-rgb), 0.6),
    0 0 24px rgba(var(--accent-rgb), 0.55),
    0 0 56px rgba(var(--accent-rgb), 0.35);
}
.btn:active { transform: translateY(1px); }
.btn .arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-2);
  transition: all 0.18s ease;
}
.btn-ghost:hover {
  border-color: rgba(var(--accent-rgb), 0.6);
  color: var(--ink);
  background: rgba(var(--accent-rgb), 0.06);
}

/* ---------- card ---------- */
.card {
  position: relative;
  padding: 28px;
  background: linear-gradient(180deg, var(--bg-1), var(--bg-2));
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
}
.card::before {
  /* corner brackets */
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 14px; height: 14px;
  border-top: 1px solid rgba(var(--accent-rgb), 0.6);
  border-left: 1px solid rgba(var(--accent-rgb), 0.6);
  transition: width 0.2s ease, height 0.2s ease;
}
.card::after {
  content: "";
  position: absolute;
  bottom: -1px; right: -1px;
  width: 14px; height: 14px;
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.6);
  border-right: 1px solid rgba(var(--accent-rgb), 0.6);
  transition: width 0.2s ease, height 0.2s ease;
}
.card:hover::before, .card:hover::after { width: 22px; height: 22px; }

/* ---------- code block ---------- */
.code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  background: var(--bg-1);
  border: 1px solid var(--line);
  padding: 22px 24px 22px 0;
  position: relative;
  overflow-x: auto;
}
.code .line {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 18px;
  padding: 0 24px;
  min-height: 1.7em;
  align-items: baseline;
}
.code .line > span:last-child {
  display: block;
  white-space: pre-wrap;
  word-break: break-word;
}
.code .line .ln {
  color: var(--ink-muted);
  user-select: none;
  text-align: right;
  flex-shrink: 0;
}
.code .kw { color: var(--accent); }
.code .fn { color: var(--accent-2); }
.code .str { color: var(--accent-3); }
.code .com { color: var(--ink-muted); font-style: italic; }
.code .num { color: #ffb86b; }

/* ---------- chip ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  border: 1px solid var(--line-2);
  color: var(--ink-dim);
}
.chip .pulse {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--accent-3);
  box-shadow: 0 0 8px var(--accent-3);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* ---------- divider ---------- */
.section-rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2), transparent);
}

/* ---------- caret ---------- */
.caret {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--accent-3);
  vertical-align: -0.12em;
  margin-left: 4px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- noise ---------- */
.noise::before {
  content: "";
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: 0.04;
  pointer-events: none;
  z-index: 51;
  mix-blend-mode: overlay;
}

/* ---------- utility ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(14px);
  filter: blur(6px);
  transition: opacity 0.9s ease, transform 0.9s ease, filter 0.9s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* tweaks panel polish — match cyberpunk */
.tweaks-panel {
  background: var(--bg-1) !important;
  border: 1px solid var(--line-2) !important;
  font-family: var(--font-mono) !important;
}

/* ============== RESPONSIVE — MOBILE FIRST ============== */
.container { padding: 0 20px; }
@media (min-width: 640px) { .container { padding: 0 32px; } }
@media (min-width: 1024px) { .container { padding: 0 48px; } }

/* mobile nav */
.nav-links { display: none !important; }
.nav-hamburger { display: inline-flex !important; }
@media (min-width: 1024px) {
  .nav-links { display: flex !important; }
  .nav-hamburger { display: none !important; }
}

.mobile-menu {
  position: fixed;
  inset: 60px 0 0 0;
  background: var(--bg);
  border-top: 1px solid var(--line);
  z-index: 29;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 4px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.mobile-menu a::after {
  content: "→";
  color: var(--accent);
}
.mobile-menu .cta-mobile {
  margin-top: 22px;
  background: var(--accent);
  color: var(--invert-text);
  padding: 16px;
  text-align: center;
  border: 1px solid var(--accent);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.mobile-menu .cta-mobile::after { content: ""; }

.hamburger {
  width: 44px; height: 44px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line-2);
  cursor: pointer;
  background: transparent;
}
.hamburger span {
  width: 18px; height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== MOBILE OVERRIDES (< 768px) ===== */
@media (max-width: 767px) {

  /* section vertical padding — 140px/120px is excessive on mobile */
  section { padding-top: 72px !important; padding-bottom: 56px !important; padding-left: 0 !important; padding-right: 0 !important; }

  /* --- hero --- */
  .hero-stats { grid-template-columns: 1fr 1fr !important; }
  .hero-stats > div { padding: 16px 0 !important; border-right: none !important; border-bottom: 1px solid var(--line) !important; }
  .hero-stats > div:nth-child(odd) { border-right: 1px solid var(--line) !important; }
  .hero-stats > div:nth-last-child(-n+2) { border-bottom: none !important; }
  .hero-ctas { flex-direction: column !important; align-items: stretch !important; }
  .hero-ctas > * { justify-content: center !important; width: 100% !important; }
  .hero-bottom-bar { display: none !important; }

  /* --- terminal --- */
  .term-grid { grid-template-columns: 1fr !important; }
  .term-aside { border-left: 0 !important; border-top: 1px solid var(--line) !important; padding: 24px !important; }

  /* --- generic grid helpers --- */
  .grid-2 { grid-template-columns: 1fr !important; }
  .grid-3 { grid-template-columns: 1fr !important; }
  .grid-4 { grid-template-columns: 1fr 1fr !important; }

  /* --- prizes --- */
  .prize-split { grid-template-columns: 1fr !important; }
  .prize-left { padding: 28px 22px !important; }
  .prize-right { border-left: 0 !important; border-top: 1px solid var(--line) !important; }

  /* --- card --- */
  .card { padding: 20px !important; }

  /* --- code block --- */
  .code { padding: 16px 0 !important; font-size: 12px !important; overflow-x: auto; }
  .code .line { padding: 0 16px !important; gap: 12px !important; }

  /* --- schedule table — card layout on mobile --- */
  .sched-table-head { display: none !important; }
  .sched-row {
    grid-template-columns: 1fr auto !important;
    gap: 6px 12px !important;
    padding: 20px 16px !important;
    align-items: start !important;
  }
  .sched-cell-date { grid-column: 1 !important; grid-row: 1 !important; font-size: 11px !important; letter-spacing: 0.08em !important; color: var(--ink-muted) !important; }
  .sched-cell-phase { display: none !important; }
  .sched-cell-event { grid-column: 1 / -1 !important; grid-row: 2 !important; }
  .sched-cell-status { grid-column: 2 !important; grid-row: 1 !important; text-align: right !important; }

  /* --- pricing --- */
  .pricing-grid { grid-template-columns: 1fr !important; }

  /* --- onsite IRL days --- */
  .onsite-head { grid-template-columns: 1fr !important; gap: 20px !important; align-items: start !important; }
  .onsite-grid { grid-template-columns: 1fr !important; }
  .onsite-ticker { grid-template-columns: auto 1fr !important; }

  /* --- footer --- */
  .footer-top { grid-template-columns: 1fr !important; gap: 32px !important; }
  .footer-cols { grid-template-columns: 1fr 1fr !important; gap: 20px !important; }
  .footer-bottom { flex-direction: column !important; gap: 10px !important; align-items: flex-start !important; }

  /* --- tweaks panel --- */
  .tweaks-panel { width: calc(100vw - 24px) !important; max-width: 360px !important; right: 12px !important; }
}

/* ===== TABLET (768px – 1023px) ===== */
@media (min-width: 768px) and (max-width: 1023px) {
  .grid-3 { grid-template-columns: 1fr 1fr !important; }
  .grid-4 { grid-template-columns: 1fr 1fr !important; }
  .term-grid { grid-template-columns: 1fr !important; }
  .onsite-head { grid-template-columns: 1fr !important; gap: 24px !important; }
  .sched-table-head { grid-template-columns: 120px 100px 1fr 120px !important; }
  .sched-row { grid-template-columns: 120px 100px 1fr 120px !important; }
}

/* responsive nav-cta toggle: show desktop CTA at >= 1024 */
@media (min-width: 1024px) {
  .nav-cta-desktop { display: inline-flex !important; }
  .nav-cta-desktop:hover {
    box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.6),
                0 0 24px rgba(var(--accent-rgb), 0.55);
  }
}
@media (max-width: 480px) {
  .brand-tag-hide { display: none !important; }
  .theme-label { display: none !important; }
}