/* Twinmere — Medieval Fantasy direction
   Illuminated manuscript + carved stone + candlelight
   Tokens for warm (parchment-day) and dark (ink-night) duality */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;900&family=Cinzel+Decorative:wght@400;700;900&family=IM+Fell+English:ital,wght@0,400;1,400&family=IM+Fell+English+SC&family=IM+Fell+DW+Pica:ital@0;1&family=UnifrakturMaguntia&family=Noto+Serif+KR:wght@400;600;700;900&family=Pixelify+Sans:wght@400;500;600;700&family=Geist+Mono:wght@400;500;600&display=swap');

:root {
  /* Parchment — warm 2D life / day side */
  --parch-bg:    #e8d8a8;  /* aged vellum */
  --parch-bg-2:  #d4bf80;  /* darker rim */
  --parch-hi:    #f4e7c2;  /* highlight */
  --parch-stain: #c9a058;  /* old water stain */
  --ink-iron:    #2a1810;  /* iron-gall ink */
  --ink-soft:    #5a3d28;  /* faded ink */
  --ink-rust:    #7a3520;  /* oxidized brown */

  /* Night — dark 3D action / night side */
  --night-bg:    #0a0708;
  --night-bg-2:  #1a1014;
  --night-veil:  #2a1818;  /* blood-velvet */
  --night-ink:   #d4c9a8;  /* moonlit parchment */
  --night-soft:  #8a7860;

  /* Heraldic accents */
  --gold:        #c8a04c;  /* leaf gold */
  --gold-deep:   #8a6a28;
  --gold-hi:     #f0d878;
  --crimson:     #8a1a1a;  /* royal blood */
  --crimson-deep:#5a0a0a;
  --moss:        #4a6a3a;
  --moss-deep:   #2a4022;
  --ember:       #d97757;  /* shared bridge */
  --ember-bright:#ff8a4c;

  /* Type */
  --font-display:   'Cinzel', 'Noto Serif KR', 'Trajan Pro', serif;
  --font-decor:     'Cinzel Decorative', 'Noto Serif KR', 'Cinzel', serif;
  --font-body:      'IM Fell DW Pica', 'IM Fell English', 'Noto Serif KR', Georgia, serif;
  --font-body-sc:   'IM Fell English SC', 'Cinzel', 'Noto Serif KR', serif;
  --font-fraktur:   'UnifrakturMaguntia', 'Noto Serif KR', 'Cinzel Decorative', serif;
  --font-ko:        'Noto Serif KR', serif;
  --font-pixel:     'Pixelify Sans', monospace;
  --font-ui:        'Geist Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-iron);
  -webkit-font-smoothing: antialiased;
}

.pixel-art {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

/* ============================================================ */
/* Parchment background — multi-layered                          */
/* ============================================================ */
.parchment {
  background:
    /* fox-marks / stains */
    radial-gradient(ellipse 12% 6% at 18% 22%, rgba(122,53,32,0.18), transparent 70%),
    radial-gradient(ellipse 8% 4% at 72% 78%, rgba(122,53,32,0.14), transparent 70%),
    radial-gradient(ellipse 6% 3% at 88% 18%, rgba(122,53,32,0.16), transparent 70%),
    /* darker rim (vignette) */
    radial-gradient(ellipse 100% 80% at 50% 50%, transparent 50%, rgba(122,80,40,0.4) 100%),
    /* warm base */
    radial-gradient(ellipse 90% 90% at 50% 40%, var(--parch-hi) 0%, var(--parch-bg) 50%, var(--parch-bg-2) 100%);
  position: relative;
}

.parchment::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: multiply;
  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='0.65' numOctaves='3' stitchTiles='stitch' seed='5'/><feColorMatrix values='0 0 0 0 0.4  0 0 0 0 0.25  0 0 0 0 0.1  0 0 0 0.22 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* paper grain (lighter) */
.parchment::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.35 0'/></filter><rect width='100%25' height='100%25' filter='url(%23g)'/></svg>");
}

/* ============================================================ */
/* Night / ink-soaked background                                 */
/* ============================================================ */
.nightfall {
  background:
    /* candle / torch glow bottom-left */
    radial-gradient(ellipse 40% 35% at 18% 88%, rgba(217,119,87,0.25), transparent 70%),
    /* torch right */
    radial-gradient(ellipse 35% 30% at 84% 84%, rgba(200,160,76,0.18), transparent 70%),
    /* center vignette */
    radial-gradient(ellipse 90% 70% at 50% 45%, var(--night-bg-2) 0%, var(--night-bg) 70%, #000 100%);
  position: relative;
}

.nightfall::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.7;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><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 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ============================================================ */
/* Image-slot styling                                            */
/* ============================================================ */
image-slot {
  background:
    linear-gradient(135deg, rgba(42,24,16,0.06), rgba(42,24,16,0.12)),
    repeating-linear-gradient(45deg, transparent 0 8px, rgba(42,24,16,0.04) 8px 9px);
  border: 1px dashed rgba(42,24,16,0.35);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-style: italic;
}
image-slot.on-dark {
  background:
    linear-gradient(135deg, rgba(255,240,200,0.03), rgba(255,240,200,0.06)),
    repeating-linear-gradient(45deg, transparent 0 8px, rgba(255,240,200,0.03) 8px 9px);
  border: 1px dashed rgba(212,201,168,0.28);
  color: var(--night-soft);
}

/* ============================================================ */
/* Wordmark base                                                 */
/* ============================================================ */
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 0.95;
}

/* Illuminated gold-leaf gradient for wordmarks */
.gilded {
  background:
    linear-gradient(180deg,
      var(--gold-hi) 0%,
      var(--gold) 35%,
      var(--gold-deep) 70%,
      #5a3a14 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.25));
}

/* Carved-into-stone effect */
.carved {
  color: transparent;
  background:
    linear-gradient(180deg,
      #5a4a30 0%,
      #2a1a10 50%,
      #0a0508 100%);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow:
    1px 1px 0 rgba(255,220,180,0.08),
    -1px -1px 2px rgba(0,0,0,0.9);
}

/* ============================================================ */
/* Mode pill — re-styled with parchment feel                     */
/* ============================================================ */
.mode-pill {
  display: inline-flex;
  padding: 4px;
  border-radius: 0;
  background: rgba(42,24,16,0.08);
  border: 1px solid var(--ink-soft);
  font-family: var(--font-body-sc);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--ink-iron);
  white-space: nowrap;
  flex-shrink: 0;
}
.mode-pill.on-dark {
  background: rgba(232,222,170,0.06);
  border-color: var(--gold-deep);
  color: var(--night-ink);
}
.mode-pill button {
  appearance: none;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  padding: 6px 14px;
  cursor: pointer;
  opacity: 0.5;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.mode-pill button.is-active {
  opacity: 1;
  background: var(--ink-iron);
  color: var(--parch-hi);
}
.mode-pill.on-dark button.is-active {
  background: var(--gold);
  color: var(--night-bg);
}

/* ============================================================ */
/* CTAs                                                          */
/* ============================================================ */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--font-body-sc);
  font-size: 14px;
  letter-spacing: 0.18em;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}
.cta:hover {
  transform: translateY(-1px);
}
.cta-primary {
  background: var(--ink-iron);
  color: var(--parch-hi);
  box-shadow: 0 3px 0 var(--ink-soft);
}
.cta-primary.on-dark {
  background: var(--gold);
  color: #1a0d05;
  box-shadow: 0 3px 0 var(--gold-deep);
}

/* ============================================================ */
/* Language toggle                                               */
/* ============================================================ */
.lang-toggle {
  display: inline-flex;
  font-family: var(--font-body-sc);
  font-size: 13px;
  letter-spacing: 0.22em;
  gap: 8px;
  align-items: center;
  white-space: nowrap;
}
.lang-toggle button {
  appearance: none;
  background: transparent;
  border: none;
  font: inherit;
  letter-spacing: inherit;
  cursor: pointer;
  color: inherit;
  opacity: 0.4;
  padding: 2px 4px;
}
.lang-toggle button.is-active {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-thickness: 1.5px;
}
.lang-toggle .div { opacity: 0.3; }

/* ============================================================ */
/* Mini phone — bezel painted as bone/iron                       */
/* ============================================================ */
.mini-phone {
  position: relative;
  border-radius: 32px;
  padding: 7px;
  background: linear-gradient(160deg, #2a1d12 0%, #0a0608 100%);
  box-shadow:
    0 28px 50px -18px rgba(0,0,0,0.6),
    0 0 0 1px rgba(200,160,76,0.2) inset;
}
.mini-phone-screen {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  background: #000;
}
.mini-phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 18px;
  background: #0a0608;
  border-radius: 12px;
  z-index: 3;
}

/* meta rows / labels that must never wrap mid-word */
.nowrap, .meta-row {
  white-space: nowrap;
}

/* ============================================================ */
/* Old-style horizontal divider with center motif                */
/* ============================================================ */
.rule-line {
  display: flex;
  align-items: center;
  gap: 14px;
  color: currentColor;
  opacity: 0.55;
}
.rule-line::before, .rule-line::after {
  content: '';
  flex: 1;
  height: 1px;
  background: currentColor;
}

/* ============================================================ */
/* Scrubber                                                      */
/* ============================================================ */
.dial-track {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  opacity: 0.4;
}

/* Pulsing ember */
@keyframes ember-pulse {
  0%, 100% { opacity: 1; filter: drop-shadow(0 0 8px var(--ember)); }
  50% { opacity: 0.65; filter: drop-shadow(0 0 14px var(--ember-bright)); }
}
.ember-pulse {
  animation: ember-pulse 2.4s ease-in-out infinite;
}

/* ============================================================ */
/* World-scene particles & motion                                */
/* ============================================================ */
@keyframes ff-drift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(14px, -10px); }
  50%  { transform: translate(-8px, -22px); }
  75%  { transform: translate(10px, -8px); }
  100% { transform: translate(0, 0); }
}
@keyframes ff-flicker {
  0%, 100% { opacity: 0.9; }
  40% { opacity: 0.15; }
  60% { opacity: 0.7; }
}
.firefly {
  position: absolute;
  border-radius: 50%;
  background: #ffe9a0;
  pointer-events: none;
  animation: ff-drift var(--ffd, 12s) ease-in-out infinite, ff-flicker var(--fff, 3s) ease-in-out infinite;
}

@keyframes ember-rise {
  0%   { transform: translate(0, 0) scale(1); opacity: 0; }
  12%  { opacity: 1; }
  100% { transform: translate(var(--ex, 10px), -140px) scale(0.3); opacity: 0; }
}
.ember-spark {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: #ffb060;
  box-shadow: 0 0 6px #ff8a40;
  pointer-events: none;
  animation: ember-rise var(--ed, 3s) ease-out infinite;
}

@keyframes mill-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.mill-blades {
  transform-box: fill-box;
  transform-origin: center;
  animation: mill-spin 26s linear infinite;
}

@keyframes cloud-drift {
  from { transform: translateX(0); }
  50%  { transform: translateX(26px); }
  to   { transform: translateX(0); }
}
.cloud-drift { animation: cloud-drift 30s ease-in-out infinite; }
.cloud-drift-slow { animation: cloud-drift 44s ease-in-out infinite; }

@keyframes mist-slide {
  from { transform: translateX(-20px); }
  50%  { transform: translateX(24px); }
  to   { transform: translateX(-20px); }
}
.mist-slide { animation: mist-slide 26s ease-in-out infinite; }

@keyframes smoke-rise {
  0%   { transform: translate(0,0) scale(1); opacity: 0.5; }
  100% { transform: translate(6px,-30px) scale(1.8); opacity: 0; }
}
.smoke-puff {
  animation: smoke-rise var(--sd, 5s) ease-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}


/* ScrollArt — horizontal drag/scroll viewer */
.scrollart { scrollbar-width: thin; scrollbar-color: rgba(200,160,76,0.5) rgba(0,0,0,0.4); }
.scrollart::-webkit-scrollbar { height: 8px; }
.scrollart::-webkit-scrollbar-track { background: rgba(0,0,0,0.4); }
.scrollart::-webkit-scrollbar-thumb { background: rgba(200,160,76,0.5); border-radius: 4px; }
.scrollart:active { cursor: grabbing !important; }


/* __RESPONSIVE__ — mobile & tablet */
@media (max-width: 820px) {
  section[data-screen-label]:not([data-screen-label="Hero"]) {
    padding-left: 20px !important; padding-right: 20px !important;
    padding-top: 66px !important; padding-bottom: 66px !important;
  }
  nav { padding-left: 16px !important; padding-right: 16px !important; }
  nav > div:last-child { gap: 12px !important; }
  .r-2col, .r-features, .r-poll { grid-template-columns: 1fr !important; }
  .r-features, .r-poll { max-width: 420px !important; }
  .r-portrait {
    grid-template-columns: 1fr !important; justify-items: center !important;
    gap: 26px !important; padding: 30px 22px !important; text-align: center;
  }
  .r-footer { flex-direction: column !important; gap: 16px !important; text-align: center !important; }
  .r-footer > div { text-align: center !important; max-width: none !important; justify-content: center !important; }
  .r-signup { flex-wrap: wrap; max-width: 100%; padding-left: 14px !important; row-gap: 6px; }
  .r-signup input { min-width: 0 !important; flex: 1 1 150px; }
}
@media (max-width: 430px) {
  nav { padding-left: 12px !important; padding-right: 12px !important; }
  nav a.cta { padding: 8px 12px !important; }
  section[data-screen-label]:not([data-screen-label="Hero"]) {
    padding-left: 15px !important; padding-right: 15px !important;
  }
}