/* ============================================================
   Permutate — brand showcase
   Plain CSS. No framework, no build step.
   ============================================================ */

/* self-hosted latin subsets (from the standalone header design) */
@font-face{
  font-family:'Archivo'; font-style:normal; font-weight:800; font-display:swap;
  src:url("assets/fonts/archivo-latin.woff2") format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2122,U+2212,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Space Mono'; font-style:normal; font-weight:400; font-display:swap;
  src:url("assets/fonts/spacemono-latin.woff2") format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2122,U+2212,U+FEFF,U+FFFD;
}

:root {
  --bg:        #0a0b0d;
  --bg-soft:   #0d0f13;
  --panel:     #121419;
  --panel-2:   #161922;
  --text:      #f4f6f8;
  --muted:     #8b929c;
  --faint:     #5a606b;
  --line:      rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.05);
  --blue-deep: #1e2a4a;
  --blue:      #4a6cf7;
  --blue-soft: #c9d4ff;
  --blue-glow: rgba(74, 108, 247, 0.35);

  /* hero header palette (from the standalone design) */
  --peri:  #96b0ff;
  --light: #c9d4ff;
  --hair:  rgba(255, 255, 255, 0.08);
  --t:     62px;  /* tile size  */
  --gap:   12px;  /* tile gap   */
  --lift:  16px;  /* accent lift */

  --max:      1080px;
  --max-wide: 1180px;
  --pad:      clamp(20px, 5vw, 48px);

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
          Arial, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, "Cascadia Code",
          "Roboto Mono", Menlo, Consolas, monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.mono { font-family: var(--mono); letter-spacing: 0.04em; }

.accent { color: var(--blue-soft); }

a { color: inherit; }

::selection { background: var(--blue); color: #fff; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue);
  color: #fff;
  padding: 10px 16px;
  z-index: 100;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================ HERO (standalone header) ============================ */
.hero{
  position:relative; min-height:100svh; width:100%;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  overflow:hidden; border-bottom:1px solid var(--line);
}
/* scattered square field */
.field{position:absolute; inset:0; z-index:0; pointer-events:none;}
.field .sq{position:absolute; border-radius:1px;}
@keyframes twinkle{0%,100%{opacity:var(--o1);}50%{opacity:var(--o2);}}
/* center vignette so the headline reads */
.hero::after{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background:radial-gradient(120% 90% at 50% 42%, transparent 38%, rgba(10,11,13,.55) 100%);
}

.stage{position:relative; z-index:1; display:flex; flex-direction:column; align-items:center;}

/* ---- mark ---- */
.mark{
  position:relative;
  width:calc(2*var(--t) + var(--gap));
  height:calc(2*var(--t) + var(--gap));
  margin-bottom:40px;
}
.tile{
  position:absolute; top:0; left:0;
  width:var(--t); height:var(--t);
  will-change:transform,opacity;
  transition:transform .8s cubic-bezier(.62,.04,.2,1), opacity .9s ease;
}
/* resting positions as CSS defaults so the mark is correct even before/without JS */
.tile[data-c="0"]{transform:translate(0,0);}
.tile[data-c="1"]{transform:translate(0,74px);}
.tile[data-c="2"]{transform:translate(74px,74px);}
.tile[data-c="a"]{transform:translate(90px,-16px);}
.tile .face{
  width:100%; height:100%; border-radius:3px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
  transition:box-shadow .6s ease;
}
.tile[data-c="0"] .face{background:#eef1f8;}
.tile[data-c="1"] .face{background:var(--light);}
.tile[data-c="2"] .face{background:var(--peri);}
.tile[data-c="a"] .face{background:var(--blue);}
/* the lifted (recombined) accent piece */
.tile.is-lifted .face{
  box-shadow:0 14px 30px -6px rgba(74,108,247,.5), inset 0 0 0 1px rgba(255,255,255,.12);
  animation:hover 5s ease-in-out infinite;
}
@keyframes hover{0%,100%{transform:translateY(0);}50%{transform:translateY(-2.5px);}}
/* dashed "home" slot, shown only when the accent is lifted out */
.ghost{
  position:absolute; width:var(--t); height:var(--t);
  border:1.6px dashed rgba(150,176,255,.55); border-radius:3px;
  opacity:0; transition:opacity .6s ease; pointer-events:none;
}

/* ---- type ---- */
.wordmark{
  font-family:"Archivo",sans-serif; font-weight:800;
  font-size:clamp(34px,4.6vw,52px); letter-spacing:-.045em; line-height:1;
  color:#fff; margin:0;
}
.eyebrow{
  font-family:"Space Mono",monospace; font-size:12px; letter-spacing:.36em;
  text-transform:uppercase; color:var(--muted); margin-top:14px;
}
.headline{
  max-width:30ch; text-align:center; text-wrap:balance;
  font-size:clamp(20px,2.5vw,30px); font-weight:500; line-height:1.5;
  letter-spacing:-.01em; color:var(--light); margin:46px 0 0;
}

/* ---- scroll cue ---- */
.scroll{
  position:absolute; bottom:30px; left:50%; transform:translateX(-50%);
  z-index:1; display:flex; flex-direction:column; align-items:center; gap:12px;
  text-decoration:none;
}
@media (max-height:640px){ .scroll{display:none;} }
.scroll span{font-family:"Space Mono",monospace; font-size:10px; letter-spacing:.4em; color:var(--faint); text-transform:uppercase;}
.scroll .line{position:relative; width:1px; height:44px; background:var(--hair); overflow:hidden;}
.scroll .line::after{
  content:""; position:absolute; left:0; top:-50%; width:1px; height:50%;
  background:linear-gradient(to bottom, transparent, var(--peri));
  animation:drop 2.4s cubic-bezier(.6,.05,.2,1) infinite;
}
@keyframes drop{0%{top:-55%;}60%,100%{top:105%;}}

/* ============================ SECTIONS ============================ */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(72px, 12vw, 140px) var(--pad);
  border-bottom: 1px solid var(--line-soft);
}
.section--wide { max-width: var(--max-wide); }

.section__index {
  margin: 0 0 28px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
}

.section__lead {
  margin: 0 0 28px;
  font-size: clamp(1.8rem, 5.5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
  max-width: 18ch;
}
#projects .section__lead,
#contact .section__lead { max-width: none; }

.prose {
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.05rem;
}
.prose p { margin: 0 0 1.1em; }
.prose p:last-child { margin-bottom: 0; }
.prose em { color: var(--text); font-style: normal; }

/* ----- approach: vertical transformation list ----- */
.shifts {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}
.shift {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.6fr);
  gap: 16px 40px;
  align-items: baseline;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color 0.3s ease;
}
.shift:hover { border-bottom-color: rgba(74, 108, 247, 0.4); }
.shift__pair {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  white-space: nowrap;
}
.shift__from {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.shift__arrow { color: var(--blue); }
.shift__to {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.shift__note {
  color: var(--muted);
  font-size: 1rem;
}

/* ============================ PROJECTS ============================ */
.projects {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.project {
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(26px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  transition: border-color 0.4s ease, transform 0.4s ease;
}
.project:hover {
  border-color: rgba(74, 108, 247, 0.4);
  transform: translateY(-2px);
}

/* ----- status pills ----- */
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  --dot: var(--blue);
  --dot-glow: var(--blue-glow);
}
.status--active   { --dot: #3ecf8e; --dot-glow: rgba(62, 207, 142, 0.35); }
.status--launched { --dot: #2dd4bf; --dot-glow: rgba(45, 212, 191, 0.35); }
.status--research { --dot: #e0b341; --dot-glow: rgba(224, 179, 65, 0.35); }
.status--early    { --dot: var(--blue); --dot-glow: var(--blue-glow); }

.status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dot);
  box-shadow: 0 0 0 0 var(--dot-glow);
  animation: pulse 2.8s ease-in-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 var(--dot-glow); }
  70%  { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.project__title {
  margin: 18px 0 0;
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.project__tagline {
  margin: 10px 0 0;
  color: var(--blue-soft);
  font-size: 1.05rem;
  font-weight: 500;
}
.project__blurb {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
}
.project__blurb a {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.25s ease, color 0.25s ease;
}
.project__blurb a:hover { border-bottom-color: var(--blue-soft); }

/* ----- screenshot placeholder frames (static, no animation) ----- */
.shots {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.shot {
  position: relative;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(135deg, var(--panel-2) 0%, var(--bg-soft) 100%);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 12px;
}
/* faint static blueprint grid texture */
.shot::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 26px 26px;
  background-position: center;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  opacity: 0.6;
}
.shot__tag {
  position: relative;
  z-index: 1;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}
.shot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
}

/* Beat or Bust screenshot matches its source aspect (1206 × 1174) */
.project--beatorbust .shot { aspect-ratio: 1206 / 1174; }

/* ----- shut-down / postmortem card ----- */
.project--archived {
  grid-template-columns: 1fr;
  background: linear-gradient(180deg, #0e1014 0%, var(--bg) 100%);
}
.project--archived:hover {
  transform: none;
  border-color: var(--line);
}
.project--archived .project__tagline { color: var(--muted); }

.status--dead { --dot: #6b7280; color: var(--faint); }
.status--dead .status__dot {
  background: var(--dot);
  box-shadow: none;
  animation: none;
}

.postmortem {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 48px;
  margin-top: 26px;
}
.pm__label {
  margin: 0 0 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.pm__text {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}
@media (max-width: 760px) {
  .postmortem { grid-template-columns: 1fr; gap: 24px; }
}

/* ============================ CONTACT ============================ */
.contact__link {
  margin: 32px 0 0;
  font-size: clamp(1.4rem, 4.5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.contact__link a {
  text-decoration: none;
  background: linear-gradient(var(--blue), var(--blue)) bottom left / 0% 1.5px no-repeat;
  transition: background-size 0.35s ease, color 0.35s ease;
  padding-bottom: 3px;
}
.contact__link a:hover {
  color: var(--blue-soft);
  background-size: 100% 1.5px;
}

/* ============================ FOOTER ============================ */
.footer {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 40px var(--pad) 56px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  color: var(--faint);
  font-size: 13px;
}
.footer__mark { color: var(--text); font-weight: 600; letter-spacing: 0.02em; }
.footer__tag { color: var(--muted); }
.footer__copy { margin-left: auto; }

/* ============================ REVEAL ============================ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================ RESPONSIVE ============================ */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .shift {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .project {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .shots[data-shots="2"] { grid-template-columns: 1fr 1fr; }
  .footer__copy { margin-left: 0; width: 100%; }
}

@media (max-width: 440px) {
  .shots[data-shots="2"] { grid-template-columns: 1fr; }
}

/* ============================ REDUCED MOTION ============================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}