/* ─────────────────────────────────────────────────────────────
   Agentur Grimm — Kreuzberger Wand
   The wall behind Felix's desk in Berlin-Kreuzberg.
   Palette: Cork · Paper · Brass · Ink · Faded String Red.
   Type: Cardo (italic + roman) / Space Mono.
   ───────────────────────────────────────────────────────────── */

:root{
  --cork:        #C7A988;
  --cork-deep:   #A88965;
  --cork-shade:  #8E6E48;
  --paper:       #F5EBD8;
  --paper-warm:  #EFE2C8;
  --paper-edge:  #C8B89A;
  --brass:       #C79A4B;
  --brass-deep:  #8C6A2C;
  --ink:         #1A140E;
  --ink-soft:    #4A3F32;
  --string:      #7A2A1F;
  --string-soft: #5A1F18;
  --tungsten:    #FFD9A6;

  --serif:       'Cardo', 'Times New Roman', serif;
  --mono:        'Space Mono', ui-monospace, monospace;

  --wall-w:      2400px;
  --wall-h:      1500px;
  --card-w:      280px;
  --card-h:      210px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
*::selection{ background: var(--ink); color: var(--paper); }

html, body{
  width:100%; height:100%;
  background: var(--cork);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  cursor: none;
  text-rendering: optimizeLegibility;
}
@media (hover:none), (pointer:coarse){ html, body{ cursor: auto; } }

/* ───── Living texture ────────────────────────────────────── */
.cork-texture{
  position: fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(120% 90% at 18% 8%, rgba(255,217,166,.18), transparent 55%),
    radial-gradient(110% 80% at 82% 92%, rgba(60,40,22,.16), transparent 60%),
    var(--cork);
}
.cork-texture::after{
  content:""; position:absolute; inset:0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='320' height='320'><filter id='c'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' seed='7'/><feColorMatrix values='0 0 0 0 0.18  0 0 0 0 0.12  0 0 0 0 0.06  0 0 0 0.34 0'/></filter><rect width='100%25' height='100%25' filter='url(%23c)'/></svg>");
  background-size: 320px 320px;
  mix-blend-mode: multiply;
  opacity: .82;
}

.tungsten{
  position: fixed; inset:0; z-index:1; pointer-events:none;
  background: radial-gradient(60% 60% at 22% 14%, rgba(255,217,166,.55), rgba(255,217,166,0) 70%);
  mix-blend-mode: soft-light;
  opacity: .85;
  animation: tungstenBreath 38s ease-in-out infinite;
}
@keyframes tungstenBreath{
  0%,100%{ opacity:.78; transform: translate(0,0) scale(1); }
  45%   { opacity:.95; transform: translate(8px,-4px) scale(1.04); }
  70%   { opacity:.84; transform: translate(-4px,3px) scale(1.02); }
}

.vignette{
  position: fixed; inset:0; z-index:2; pointer-events:none;
  background: radial-gradient(120% 95% at 50% 55%, transparent 55%, rgba(20,14,8,.42) 100%);
}

/* ───── Office overlay (4 corners) ────────────────────────── */
.office__mark, .office__addr, .office__hint, .office__time{
  position: fixed; z-index: 60;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0;
  transition: opacity 1.4s ease 0.4s;
  pointer-events: none;
}
body.is-booted .office__mark,
body.is-booted .office__addr,
body.is-booted .office__hint,
body.is-booted .office__time{ opacity: 1; }

.office__mark{
  top: 28px; left: 32px;
  display:flex; flex-direction:column; gap: 4px;
}
.office__mark-i{
  font-family: var(--serif); font-style: italic;
  font-size: 17px; letter-spacing: .01em; text-transform: none;
  color: var(--ink);
}
.office__mark-ii{ color: var(--ink-soft); }

.office__addr{
  top: 28px; right: 32px;
  display:flex; flex-direction:column; gap: 4px; text-align: right;
  color: var(--ink-soft);
}
.office__addr span:first-child{ color: var(--ink); }

.office__hint{
  bottom: 28px; left: 32px;
  display:flex; flex-direction:column; gap: 4px;
  color: var(--ink-soft);
}
.office__hint-line{ position: relative; padding-left: 14px; }
.office__hint-line::before{
  content:""; position:absolute; left:0; top:.62em;
  width:8px; height:1px; background: var(--ink-soft);
}

.office__time{
  bottom: 28px; right: 32px;
  display:flex; flex-direction:column; gap:4px; align-items:flex-end;
}
.office__time-label{ color: var(--ink-soft); }
.office__time-clock{
  font-feature-settings:'tnum'; letter-spacing: .12em; color: var(--ink);
}
.office__time-italic{
  font-family: var(--serif); font-style: italic;
  font-size: 13px; letter-spacing: .01em; text-transform: none;
  color: var(--ink-soft);
}

/* ───── Loader ────────────────────────────────────────────── */
.loader{
  position: fixed; inset:0; z-index: 200;
  background: var(--cork);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap: 28px;
  transition: opacity .9s ease, visibility .9s ease;
}
.loader::before{
  content:""; position:absolute; inset:0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='320' height='320'><filter id='c'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' seed='7'/><feColorMatrix values='0 0 0 0 0.18  0 0 0 0 0.12  0 0 0 0 0.06  0 0 0 0.34 0'/></filter><rect width='100%25' height='100%25' filter='url(%23c)'/></svg>");
  background-size: 320px 320px; mix-blend-mode: multiply; opacity:.78;
}
.loader::after{
  content:""; position:absolute; inset:0;
  background: radial-gradient(60% 60% at 22% 14%, rgba(255,217,166,.55), rgba(255,217,166,0) 70%);
  mix-blend-mode: soft-light;
}
body.is-booted .loader{ opacity:0; visibility:hidden; pointer-events:none; }

.loader__tack{
  width: 48px; height: 84px;
  position: relative; z-index:2;
  animation: tackDrop 1.6s cubic-bezier(.55,.05,.2,1) forwards;
  transform-origin: 50% 100%;
}
@keyframes tackDrop{
  0%   { transform: translateY(-160px) rotate(-18deg); opacity:0; }
  60%  { transform: translateY(0)       rotate(2deg);   opacity:1; }
  78%  { transform: translateY(-6px)    rotate(-1deg);  }
  100% { transform: translateY(0)       rotate(0);      opacity:1; }
}
.loader__head{ fill: var(--brass); stroke: var(--ink); stroke-width: 1.4; }
.loader__highlight{ fill: rgba(255,255,255,.55); }
.loader__needle{ stroke: var(--ink); stroke-width: 1.6; stroke-linecap:round; }

.loader__line{
  position: relative; z-index:2;
  font-family: var(--serif); font-style: italic;
  font-size: 19px; letter-spacing: .01em;
  color: var(--ink);
}
.loader__line .loader__sep{ font-family: var(--mono); font-style: normal; opacity:.55; margin: 0 .25em; }

.loader__counter{
  position: relative; z-index:2;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--ink-soft);
}
.loader__counter #loaderNum{ color: var(--ink); }

.loader__bar{
  position: relative; z-index:2;
  width: min(280px, 56vw); height: 1px;
  background: rgba(26,20,14,.22);
  margin-top: 4px;
}
.loader__bar-fill{ height:100%; width:0%; background: var(--ink); transition: width .12s linear; }

/* ───── Custom cursor ─────────────────────────────────────── */
.cursor{
  position: fixed; top:0; left:0; z-index: 300;
  pointer-events:none;
  width: 40px; height: 60px;
  margin-left: -20px; margin-top: -8px;
  transform: translate3d(0,0,0) rotate(8deg);
  transition: transform .28s cubic-bezier(.2,.8,.2,1), opacity .3s ease;
  opacity: 0;
  filter: drop-shadow(2px 6px 4px rgba(20,14,8,.35));
}
body.is-booted .cursor{ opacity: 1; }
.cursor__head{ fill: var(--brass); stroke: var(--ink); stroke-width: 1.2; }
.cursor__shine{ fill: rgba(255,255,255,.55); }
.cursor__needle{ stroke: var(--ink); stroke-width: 1.4; stroke-linecap:round; }

body.cursor-on-card .cursor{ transform: translate3d(0,0,0) rotate(-12deg) scale(1.08); }
body.cursor-grabbing .cursor{ transform: translate3d(0,0,0) rotate(22deg) scale(.94); }

@media (hover:none), (pointer:coarse){ .cursor{ display:none; } }

/* ───── The Room (viewport for the wall) ──────────────────── */
.room{
  position: fixed; inset:0; z-index: 10;
  overflow: hidden;
  touch-action: none;
}

.wall{
  position: absolute;
  width: var(--wall-w); height: var(--wall-h);
  top: 50%; left: 50%;
  transform: translate3d(calc(-50% + var(--panX, 0px)), calc(-50% + var(--panY, 0px)), 0);
  will-change: transform;
}

/* ───── Strings ───────────────────────────────────────────── */
.wall__strings{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  overflow: visible;
}
.wall__string{
  fill: none;
  stroke: var(--string);
  stroke-width: 1.4;
  stroke-linecap: round;
  filter: drop-shadow(0 1px 0 rgba(60,30,20,.35));
  opacity: 0;
  stroke-dasharray: 1600;
  stroke-dashoffset: 1600;
  transition: opacity 1s ease 1.4s, stroke-dashoffset 2.4s cubic-bezier(.6,.05,.05,.95) 1.4s;
}
body.is-booted .wall__string{
  opacity: .82;
  stroke-dashoffset: 0;
}

/* ───── Card (index card pinned in cork) ──────────────────── */
.card{
  position: absolute;
  left: var(--x); top: var(--y);
  width: var(--card-w); height: var(--card-h);
  transform: rotate(var(--r));
  transform-origin: 50% 28px;
  perspective: 1200px;
  cursor: none;
  outline: none;
  opacity: 0;
  translate: 0 -22px;
  transition: opacity .9s ease, translate .9s cubic-bezier(.2,.7,.2,1);
}
@media (hover:none), (pointer:coarse){ .card{ cursor: pointer; } }
body.is-booted .card{ opacity:1; translate: 0 0; }

.card--small{
  width: 200px; height: 168px;
  transform: rotate(var(--r));
}

.card__inner{
  position: relative;
  width:100%; height:100%;
  transform-style: preserve-3d;
  transition: transform 1.05s cubic-bezier(.62,.04,.16,1);
}
.card.is-flipped .card__inner{ transform: rotateY(180deg); }

.card__face{
  position: absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.32) 0%, rgba(255,255,255,0) 8%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);
  border: 1px solid var(--paper-edge);
  box-shadow:
    0 1px 0 rgba(255,255,255,.5) inset,
    0 18px 28px -16px rgba(20,14,8,.55),
    0 4px 10px -4px rgba(20,14,8,.4);
  padding: 30px 26px 20px;
  display: flex; flex-direction: column;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
}
.card__face::before{
  content:""; position:absolute; inset:0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='p'><feTurbulence type='fractalNoise' baseFrequency='1.8' numOctaves='1' seed='3'/><feColorMatrix values='0 0 0 0 0.10  0 0 0 0 0.08  0 0 0 0 0.05  0 0 0 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23p)'/></svg>");
  background-size: 220px 220px;
  mix-blend-mode: multiply; opacity:.5; pointer-events:none;
}
.card__face::after{
  content:""; position:absolute; inset:auto -18% -22% -18%;
  height: 36%;
  background: linear-gradient(180deg, rgba(20,14,8,0) 0%, rgba(20,14,8,.16) 100%);
  pointer-events:none;
}
.card__face--back{ transform: rotateY(180deg); }

.card__pin{
  position: absolute; top: 9px; left: 50%;
  width: 16px; height: 16px;
  margin-left: -8px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 30%, #ffe7b8 0%, var(--brass) 38%, var(--brass-deep) 100%);
  box-shadow:
    0 1px 0 rgba(255,255,255,.6) inset,
    0 -1px 0 rgba(0,0,0,.35) inset,
    0 6px 8px -3px rgba(20,14,8,.55);
  z-index: 4;
}
.card__pin::after{
  content:""; position: absolute; left:50%; top:11px;
  margin-left:-1px;
  width: 2px; height: 10px;
  background: linear-gradient(180deg, rgba(60,40,20,.6), rgba(60,40,20,0));
}

.card__num{
  font-family: var(--mono);
  font-size: 9.5px; letter-spacing: .26em; text-transform: uppercase;
  color: var(--ink-soft);
  align-self: flex-start;
  margin-top: 4px;
}

.card__title{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.18;
  letter-spacing: .005em;
  color: var(--ink);
  margin-top: auto;
  margin-bottom: 8px;
}
.card__title em{ font-style: italic; font-weight: 400; color: var(--ink); }
.card--small .card__title{ font-size: 22px; }

.card__body{
  font-family: var(--serif);
  font-style: italic;
  font-size: 13.5px;
  line-height: 1.42;
  color: var(--ink-soft);
  max-width: 30ch;
  margin-bottom: 14px;
}

.card__code{
  font-family: var(--mono);
  font-size: 10px; letter-spacing: .3em; text-transform: uppercase;
  color: var(--ink);
  align-self: flex-end;
  border-top: 1px solid rgba(26,20,14,.22);
  padding-top: 6px;
}

.card__list{
  list-style: none;
  margin: auto 0;
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink);
}
.card__list li{
  position: relative;
  padding-left: 16px;
  margin-bottom: 4px;
}
.card__list li::before{
  content:""; position:absolute; left:0; top:.74em;
  width:8px; height:1px; background: var(--ink-soft);
}
.card__list li em{ font-style: italic; color: var(--ink); }

.card__sig{
  font-family: var(--serif); font-style: italic;
  font-size: 12.5px; color: var(--ink-soft);
  align-self: flex-end;
}

/* hover lift (desktop) */
@media (hover:hover){
  .card{ transition: opacity .9s ease, translate .9s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1), filter .5s ease; }
  .card:hover{
    transform: rotate(0deg) translateY(-6px);
    filter: brightness(1.04);
    z-index: 20;
  }
  .card:hover .card__face{
    box-shadow:
      0 1px 0 rgba(255,255,255,.55) inset,
      0 26px 38px -18px rgba(20,14,8,.6),
      0 8px 18px -6px rgba(20,14,8,.45);
  }
}

.card:focus-visible .card__face{ outline: 1px dashed var(--ink); outline-offset: 4px; }

/* ───── Reveal stagger ───────────────────────────────────── */
body.is-booted .card[data-id="01"]{ transition-delay: 0.10s, 0.10s; }
body.is-booted .card[data-id="02"]{ transition-delay: 0.18s, 0.18s; }
body.is-booted .card[data-id="03"]{ transition-delay: 0.26s, 0.26s; }
body.is-booted .card[data-id="04"]{ transition-delay: 0.34s, 0.34s; }
body.is-booted .card[data-id="05"]{ transition-delay: 0.42s, 0.42s; }
body.is-booted .card[data-id="06"]{ transition-delay: 0.50s, 0.50s; }
body.is-booted .card[data-id="07"]{ transition-delay: 0.58s, 0.58s; }
body.is-booted .card[data-id="08"]{ transition-delay: 0.66s, 0.66s; }
body.is-booted .card[data-id="09"]{ transition-delay: 0.74s, 0.74s; }
body.is-booted .card[data-id="10"]{ transition-delay: 0.82s, 0.82s; }
body.is-booted .card[data-id="11"]{ transition-delay: 0.90s, 0.90s; }
body.is-booted .card[data-id="12"]{ transition-delay: 1.05s, 1.05s; }

/* ───── Mobile / tablet polish ───────────────────────────── */
@media (max-width: 980px){
  :root{ --card-w: 240px; --card-h: 196px; }
  .office__mark,
  .office__addr,
  .office__hint,
  .office__time{ font-size: 9.5px; letter-spacing: .16em; }
  .office__mark-i{ font-size: 15px; }
  .office__time-italic{ font-size: 12px; }
  .office__addr{ top: 22px; right: 20px; }
  .office__mark{ top: 22px; left: 20px; }
  .office__hint{ bottom: 22px; left: 20px; }
  .office__time{ bottom: 22px; right: 20px; }
  .card__title{ font-size: 22px; }
  .card__body{ font-size: 12.5px; }
  .card--small{ width: 180px; height: 152px; }
}

@media (max-width: 640px){
  :root{ --card-w: 220px; --card-h: 184px; }
  .office__addr span:nth-child(3){ display:none; }
  .office__hint-line:nth-child(2){ display:none; }
  .card__title{ font-size: 20px; }
  .loader__line{ font-size: 16px; }
}

@media (prefers-reduced-motion: reduce){
  .tungsten{ animation: none; }
  .loader__tack{ animation: none; transform: translateY(0); opacity:1; }
  .wall__string{ transition: opacity .4s ease; stroke-dashoffset: 0; }
  .card{ transition: opacity .4s ease; translate: 0 0; }
}