/* =========================================================
   TEXNOWLEDGY — shared design system
   "Elegant occult-tech": a private dossier that whispers
   ========================================================= */

:root {
  /* palette */
  --ink:        oklch(0.13 0.012 270);
  --ink-2:      oklch(0.16 0.012 270);
  --ink-3:      oklch(0.19 0.012 270);
  --hair:       oklch(0.30 0.012 80 / 0.35);
  --hair-soft:  oklch(0.30 0.012 80 / 0.18);
  --bone:       oklch(0.93 0.012 80);
  --bone-mute:  oklch(0.78 0.012 80 / 0.85);
  --bone-dim:   oklch(0.62 0.012 80 / 0.75);
  --bone-faint: oklch(0.55 0.012 80 / 0.55);
  --ember:      oklch(0.80 0.108 80);
  --ember-deep: oklch(0.66 0.118 70);
  --teal:       oklch(0.78 0.075 200);

  /* type */
  --serif: "Cormorant Garamond", "EB Garamond", "Hoefler Text", "Times New Roman", serif;
  --mono:  "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --ui:    "Inter", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;

  /* rhythm */
  --frame-pad: clamp(20px, 3vw, 44px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--ui);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  font-size: 16px;
  line-height: 1.55;
}

/* ---------- ambient layer: vignette + grain ---------- */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 30%, transparent 0%, transparent 45%, oklch(0.08 0.01 270 / 0.55) 100%),
    radial-gradient(60% 50% at 50% 50%, oklch(0.22 0.02 80 / 0.06) 0%, transparent 70%);
  z-index: 0;
}
body::after {
  content: "";
  position: fixed; inset: -50%;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 0.95  0 0 0 0 0.85  0 0 0 0.06 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.6;
  mix-blend-mode: screen;
  z-index: 1;
  animation: drift 9s steps(6) infinite;
}
@keyframes drift {
  0%   { transform: translate(0,0); }
  20%  { transform: translate(-4%, 2%); }
  40%  { transform: translate(3%, -3%); }
  60%  { transform: translate(-2%, -2%); }
  80%  { transform: translate(2%, 3%); }
  100% { transform: translate(0,0); }
}

/* ---------- the frame ---------- */
.frame {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  padding: var(--frame-pad);
  display: flex;
  flex-direction: column;
}

.frame::before {
  content: "";
  position: absolute;
  inset: calc(var(--frame-pad) / 1.6);
  border: 1px solid var(--hair-soft);
  pointer-events: none;
}

/* corner ticks */
.corners {
  position: absolute;
  inset: calc(var(--frame-pad) / 1.6);
  pointer-events: none;
  z-index: 3;
}
.corners::before, .corners::after,
.corners > span:nth-child(1), .corners > span:nth-child(2) {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--ember-deep);
  opacity: 0.55;
}
.corners::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.corners::after  { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.corners > span:nth-child(1) { bottom: -1px; left: -1px; border-right: 0; border-top: 0; position: absolute; display: block; }
.corners > span:nth-child(2) { bottom: -1px; right: -1px; border-left: 0; border-top: 0; position: absolute; display: block; }

/* ---------- masthead ---------- */
.mast {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
.mast .left, .mast .right { display: flex; gap: 18px; }
.mast .mark {
  color: var(--ember);
  font-family: var(--mono);
}

/* ---------- center stage ---------- */
.stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6vh 4vw;
  max-width: 880px;
  margin: 0 auto;
  width: 100%;
}

/* ---------- typography ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 28px;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::before, .eyebrow::after {
  content: "";
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--ember-deep);
  opacity: 0.6;
}

h1.display {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(44px, 7.4vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  color: var(--bone);
}
h1.display em { font-style: normal; }

.lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  color: var(--bone-mute);
  max-width: 56ch;
  margin: 0 auto 36px;
  letter-spacing: 0.005em;
}
.lede em { color: var(--ember); font-style: italic; }

.whisper {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bone-faint);
}

.rule {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--hair), transparent);
  margin: 20px auto;
}
.rule.wide { width: 64px; height: 1px; background: linear-gradient(to right, transparent, var(--hair), transparent); }

/* ---------- ornaments (geometric, no svg illustrations) ---------- */
.ornament {
  width: 56px; height: 56px;
  margin: 0 auto 28px;
  position: relative;
  display: grid; place-items: center;
}
.ornament .ring {
  position: absolute; inset: 0;
  border: 1px solid var(--ember);
  border-radius: 50%;
  opacity: 0.6;
}
.ornament .dot {
  width: 6px; height: 6px;
  background: var(--ember);
  border-radius: 50%;
  box-shadow: 0 0 0 1px oklch(0.80 0.108 80 / 0.25), 0 0 18px oklch(0.80 0.108 80 / 0.4);
  animation: breathe 4.6s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.25); }
}

.ornament-line {
  display: inline-flex; align-items: center; gap: 14px;
  color: var(--ember);
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.4em; text-transform: uppercase;
  margin: 0 auto 28px;
}
.ornament-line::before, .ornament-line::after {
  content: ""; width: 44px; height: 1px; background: currentColor; opacity: 0.5;
}

/* ---------- input/button (the gate) ---------- */
.gate {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  margin-top: 14px;
}
.gate-row {
  display: flex; align-items: stretch;
  border: 1px solid var(--hair);
  background: oklch(0.10 0.012 270 / 0.6);
  backdrop-filter: blur(6px);
  transition: border-color 0.4s ease;
}
.gate-row:focus-within { border-color: var(--ember); }
.gate-row input {
  background: transparent; border: 0; outline: 0;
  color: var(--bone);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  padding: 16px 22px;
  width: clamp(220px, 32vw, 360px);
  text-transform: lowercase;
}
.gate-row input::placeholder { color: var(--bone-faint); letter-spacing: 0.32em; text-transform: uppercase; font-size: 11px; }
.gate-row button {
  background: transparent; border: 0; border-left: 1px solid var(--hair);
  color: var(--ember);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.32em; text-transform: uppercase;
  padding: 0 22px;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}
.gate-row button:hover { background: var(--ember); color: var(--ink); }

.hint {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--bone-faint);
  margin-top: 6px;
}

/* ---------- link arrows ---------- */
.proceed {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ember);
  text-decoration: none;
  padding: 14px 22px;
  border: 1px solid var(--hair);
  transition: all 0.4s ease;
  cursor: pointer;
}
.proceed:hover {
  border-color: var(--ember);
  background: oklch(0.80 0.108 80 / 0.06);
  letter-spacing: 0.34em;
}
.proceed .arrow {
  width: 22px; height: 1px; background: currentColor; position: relative;
  transition: width 0.4s ease;
}
.proceed:hover .arrow { width: 30px; }
.proceed .arrow::after {
  content: ""; position: absolute; right: 0; top: -3px;
  width: 7px; height: 7px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}

/* the ghost / muted variant */
.proceed.ghost { color: var(--bone-dim); }
.proceed.ghost:hover { color: var(--ember); }

/* ---------- cipher / mono blocks ---------- */
.cipher {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--bone-dim);
  background: oklch(0.10 0.012 270 / 0.7);
  border: 1px solid var(--hair-soft);
  border-left: 2px solid var(--ember);
  padding: 22px 26px;
  max-width: 640px;
  margin: 8px auto 28px;
  text-align: left;
  word-break: break-all;
}
.cipher .label {
  display: block;
  font-size: 10px; letter-spacing: 0.4em; text-transform: uppercase;
  color: var(--ember); margin-bottom: 10px;
}

/* ---------- reveal blocks ---------- */
.reveal {
  display: none;
  opacity: 0;
  transition: opacity 0.8s ease;
  margin-top: 22px;
}
.reveal.on { display: block; opacity: 1; }

/* ---------- ascend/echo/node/root fragments ---------- */
.fragment {
  position: relative; z-index: 2;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: 8vh 6vw;
  text-align: center;
}
.fragment .glyph {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.5em;
  color: var(--ember);
  margin-bottom: 36px;
  text-transform: uppercase;
}
.fragment h1 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(56px, 10vw, 132px);
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--bone);
  margin: 0 0 24px;
}
.fragment p {
  font-family: var(--serif);
  font-size: clamp(17px, 1.8vw, 21px);
  color: var(--bone-mute);
  max-width: 44ch;
  margin: 0 0 12px;
  line-height: 1.55;
}

/* ---------- console (door + console pages) ---------- */
.terminal {
  border: 1px solid var(--hair);
  background: oklch(0.09 0.012 270 / 0.85);
  width: 100%; max-width: 720px;
  margin: 0 auto;
  font-family: var(--mono);
  font-size: 13px;
  text-align: left;
  color: var(--bone-mute);
}
.terminal .bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--hair-soft);
  font-size: 10px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--bone-faint);
}
.terminal .bar .dots { display: inline-flex; gap: 6px; }
.terminal .bar .dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--hair); }
.terminal .bar .dots span:first-child { background: var(--ember); }
.terminal .body { padding: 22px 24px; min-height: 240px; max-height: 360px; overflow-y: auto; line-height: 1.85; }
.terminal .body .out { color: var(--bone); }
.terminal .body .prompt { color: var(--ember); }
.terminal .body .ghost { color: var(--bone-faint); }
.terminal .input-line {
  display: flex; align-items: center;
  border-top: 1px solid var(--hair-soft);
  padding: 12px 18px;
  gap: 12px;
}
.terminal .input-line .prompt { color: var(--ember); }
.terminal .input-line input {
  background: transparent; border: 0; outline: 0;
  color: var(--bone);
  font-family: var(--mono); font-size: 13px;
  flex: 1;
}
.terminal .input-line input::placeholder { color: var(--bone-faint); }
.terminal .input-line button {
  background: transparent; border: 1px solid var(--hair);
  color: var(--ember);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase;
  padding: 8px 14px; cursor: pointer;
  transition: all 0.3s;
}
.terminal .input-line button:hover { background: var(--ember); color: var(--ink); }

/* ---------- logo treatment ---------- */
.sigil { display: grid; place-items: center; margin-bottom: 28px; }
.sigil img {
  width: 132px; height: 132px;
  filter: drop-shadow(0 0 30px oklch(0.80 0.108 80 / 0.15)) saturate(0.85);
  animation: sigilFloat 9s ease-in-out infinite;
}
@keyframes sigilFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* ---------- entry animation ---------- */
.fade { opacity: 0; transform: translateY(8px); animation: fade-up 1.2s ease forwards; }
.fade.d1 { animation-delay: 0.1s; }
.fade.d2 { animation-delay: 0.35s; }
.fade.d3 { animation-delay: 0.6s; }
.fade.d4 { animation-delay: 0.85s; }
.fade.d5 { animation-delay: 1.1s; }
@keyframes fade-up {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- document (climax) ---------- */
.manifesto {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.manifesto .stanza {
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.5;
  color: var(--bone);
  margin: 28px 0;
}
.manifesto .stanza em { color: var(--ember); font-style: italic; }
.manifesto .signature {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--bone-dim);
  margin-top: 56px;
}
.manifesto .signature .mark { color: var(--ember); display: block; margin-bottom: 10px; font-size: 10px; }

.tag-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 560px;
  margin: 36px auto 12px;
}
.tag-grid .tag {
  border: 1px solid var(--hair-soft);
  padding: 14px 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bone-mute);
  text-align: center;
}
.tag-grid .tag.live { color: var(--ember); border-color: var(--ember); }

/* restart link */
.restart {
  margin-top: 56px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bone-faint);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-soft);
  padding-bottom: 4px;
}
.restart:hover { color: var(--ember); border-color: var(--ember); }

/* ---------- side / chair / table ornaments ---------- */
.fold {
  width: 220px; height: 1px;
  background: var(--hair);
  margin: 36px auto;
  position: relative;
}
.fold::before, .fold::after {
  content: ""; position: absolute; top: -3px;
  width: 7px; height: 7px;
  border: 1px solid var(--ember);
  transform: rotate(45deg);
  background: var(--ink);
}
.fold::before { left: -3px; }
.fold::after  { right: -3px; }

.diamond {
  width: 14px; height: 14px;
  border: 1px solid var(--ember);
  transform: rotate(45deg);
  margin: 0 auto 28px;
  position: relative;
}
.diamond::after {
  content: ""; position: absolute; inset: 3px;
  background: var(--ember);
  opacity: 0.5;
  animation: breathe 5s ease-in-out infinite;
}

/* ---------- alerts (replacing native alert visually if we go that route, but we keep native) ---------- */
.toast {
  position: fixed; left: 50%; bottom: 64px; transform: translateX(-50%) translateY(20px);
  background: oklch(0.10 0.012 270);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--ember);
  padding: 14px 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bone-mute);
  opacity: 0;
  transition: all 0.5s ease;
  z-index: 10;
  pointer-events: none;
}
.toast.on {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* selection */
::selection { background: oklch(0.80 0.108 80 / 0.35); color: var(--bone); }