/* ============================================================
   SYSTEM — system.studio recreation
   Swiss / editorial minimalism. Helvetica, black on white.
   ============================================================ */

:root {
  --bg: #ffffff;
  --ink: #0a0a0a;
  --ink-2: #1b1b1b;
  --muted: #9a9a9a;
  --muted-2: #b6b6b6;
  --line: #e7e7e5;
  --card: #f1f1ef;
  --card-2: #ececea;
  --black: #0a0a0a;
  --green: #1ca64c;
  --orange: #ff5a00;

  --fs-body: 15px;
  --lh-body: 1.42;
  --maxcol: 344px;

  --pad-x: clamp(20px, 2vw, 30px);
  --pad-y: 24px;

  --font: "Helvetica Neue", Helvetica, "Inter", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-2);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-kerning: normal;
}

a { color: inherit; text-decoration: none; }

p { margin: 0 0 1em; }

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

/* ---------- Brand wordmark ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.34em;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.022em;
  white-space: nowrap;
  user-select: none;
}
.brand__dot {
  display: inline-block;
  width: 0.74em;
  height: 0.74em;
  border-radius: 50%;
  background: var(--ink);
  transform: translateY(0.01em);
}
.brand__word {
  font-size: 1em;
}

/* ---------- Muted / utility text ---------- */
.muted { color: var(--muted); }
.copy {
  position: fixed;
  left: var(--pad-x);
  bottom: 16px;
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0;
}
.copy--static {
  position: static;
  left: auto;
  bottom: auto;
  margin-top: 64px;
}

/* ============================================================
   HOME
   ============================================================ */
.home {
  position: relative;
  min-height: 100vh;
  padding: var(--pad-y) var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  column-gap: 24px;
}

.home .brand {
  font-size: 26px;
  align-self: start;
  margin-top: 1px;
}

.lede {
  max-width: var(--maxcol);
  font-size: var(--fs-body);
  color: var(--ink-2);
}
.lede p { margin-bottom: 1.05em; }
.lede p:last-of-type { margin-bottom: 0; }

.cta {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 18px;
}
.btn {
  display: inline-block;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 6px 15px 7px;
  color: var(--ink);
  font-size: var(--fs-body);
  line-height: 1;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.btn:hover { background: var(--ink); color: #fff; }
.btn:active { transform: translateY(1px); }

/* ---------- Work list ---------- */
.work { margin-top: 42px; }
.work__title {
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 13px;
  letter-spacing: -0.01em;
}
.work__list { list-style: none; margin: 0; padding: 0; }
.work__item { margin-bottom: 7px; }

.work__row {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  color: var(--ink);
}
.work__row .yr { color: var(--muted); font-variant-numeric: tabular-nums; }
.work__row .nm { color: var(--ink); }
.work__item--soon .work__row .nm { color: var(--ink); }
.work__item--soon { color: var(--muted); }

a.work__row {
  transition: opacity .15s ease;
}
a.work__row:hover { opacity: 0.55; }

.tag-new {
  position: relative;
  color: var(--green);
  padding-bottom: 2px;
}
.tag-new::after {
  content: "";
  position: absolute;
  left: -1px;
  right: -2px;
  bottom: -2px;
  height: 6px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='7' viewBox='0 0 44 7'%3E%3Cpath d='M1 4.2 Q 4.7 1.1 8.5 4.2 T 16 4.2 T 23.5 4.2 T 31 4.2 T 38.5 4.2 T 43 4.2' fill='none' stroke='%231ca64c' stroke-width='1.7' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 22px 7px;
}

/* page-load reveal */
.reveal { opacity: 0; transform: translateY(7px); animation: rise .7s cubic-bezier(.2,.7,.2,1) forwards; }
.reveal.d1 { animation-delay: .04s; }
.reveal.d2 { animation-delay: .12s; }
.reveal.d3 { animation-delay: .2s; }
.reveal.d4 { animation-delay: .28s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
}

/* ---------- Hover preview ---------- */
.preview {
  position: fixed;
  z-index: 50;
  width: 470px;
  height: 292px;
  pointer-events: none;
  opacity: 0;
  transform: translate(34px, -50%) scale(.96);
  transition: opacity .2s ease, transform .3s cubic-bezier(.2,.7,.2,1);
  will-change: transform, opacity;
}
.preview.is-on { opacity: 1; transform: translate(34px, -50%) scale(1); }
.preview__inner {
  width: 100%; height: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 26px 60px -22px rgba(0,0,0,.45), 0 2px 8px rgba(0,0,0,.1);
  background: #ececea;
}
.preview__inner img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ============================================================
   PATCH CASE STUDY
   ============================================================ */
.case {
  padding: var(--pad-y) var(--pad-x) 120px;
  max-width: 1320px;
  margin: 0 auto;
}
.case .brand { font-size: 22px; }

.case__head {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
  align-items: start;
}
.case__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px;
}
.case__meta { color: var(--muted); font-size: 14px; line-height: 1.5; }
.case__lede {
  grid-column: 3;
  max-width: 320px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.case__lede strong { color: var(--ink-2); font-weight: 400; }

/* generic card grid */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 26px;
}
.card {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--card);
  display: grid;
  place-items: center;
}
.card--black { background: #0a0a0a; }
.card--paper { background: #fff; border: 1px solid var(--line); }

.card-cap {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
  margin-top: 10px;
  max-width: 92%;
}

/* patch wordmark (black card) */
.patchmark {
  display: flex;
  align-items: center;
  gap: 0.42em;
  color: #fff;
  font-weight: 800;
  font-size: clamp(28px, 4.6vw, 58px);
  letter-spacing: -0.04em;
}
.waffle {
  width: 0.92em; height: 0.92em;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 0.085em;
}
.waffle span {
  background: #fff;
  border-radius: 0.12em;
}

/* construction diagram block */
.diagram { width: 78%; }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram-wrap { display: flex; flex-direction: column; }

/* ---------- second band: blob / manifesto ---------- */
.band {
  display: grid;
  grid-template-columns: 0.62fr 1.4fr 1.4fr;
  gap: 18px;
  margin-top: 18px;
  align-items: stretch;
}
.sidecopy {
  align-self: end;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
  max-height: 320px;
  padding: 4px 0;
}

.blobstage {
  background: linear-gradient(180deg,#efeeec,#e6e5e2);
  border-radius: 4px;
  display: grid;
  place-items: center;
  aspect-ratio: 1.05 / 1;
  position: relative;
  overflow: hidden;
}
.blobstage svg { width: 74%; height: auto; }
.tap-note {
  position: absolute;
  top: 14px; left: 50%; transform: translateX(-50%);
  font-size: 11px; color: var(--muted);
}

.manifesto {
  background: #0a0a0a;
  color: #fff;
  border-radius: 4px;
  padding: clamp(22px, 3vw, 40px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.manifesto p {
  margin: 0;
  font-weight: 700;
  font-size: clamp(20px, 2.5vw, 33px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}
.manifesto .c { color: var(--orange); }
.manifesto__chip {
  position: absolute;
  right: -40px; bottom: -30px;
  width: 150px; height: 150px;
  filter: blur(.2px);
  opacity: .95;
}

/* ---------- third band: spec / render / photography ---------- */
.band3 {
  display: grid;
  grid-template-columns: 1.3fr 1.1fr 0.9fr;
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}
.render {
  border-radius: 4px;
  aspect-ratio: 1.3 / 1;
  background:
    radial-gradient(120% 90% at 30% 10%, rgba(255,255,255,.5), transparent 50%),
    repeating-linear-gradient(96deg, #6b4a2e 0 7px, #7c5736 7px 15px, #5f4127 15px 22px);
  position: relative;
  overflow: hidden;
}
.render__device {
  position: absolute;
  left: 16%; top: 30%;
  width: 30%;
}
.render__kbd {
  position: absolute;
  right: 6%; bottom: 8%;
  width: 46%;
  height: 34%;
  background: linear-gradient(180deg,#f4f4f4,#dcdcdc);
  border-radius: 8px;
  box-shadow: 0 14px 30px -10px rgba(0,0,0,.5);
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-auto-rows: 1fr;
  gap: 4%;
  padding: 6%;
}
.render__kbd i { background: #ececec; border-radius: 3px; box-shadow: inset 0 -2px 0 #cfcfcf; }

.spec-wrap { display: flex; flex-direction: column; }
.spec {
  background: #f4f4f2;
  border-radius: 4px;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  padding: 12%;
}
.spec svg { width: 100%; height: auto; }

.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 12px;
}
.photography { color: var(--muted); font-size: 14px; line-height: 1.55; }
.photography p { margin-bottom: 1em; }

/* back link */
.backbar { margin-top: 8px; }
.backlink { color: var(--muted); font-size: 13px; }
.backlink:hover { color: var(--ink); }

/* visually hidden, but read by screen readers and search engines */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   Moodboard — warp gallery
   ============================================================ */
.gallery-page {
  height: 100%;
  overflow: hidden;
  background: #fff;
  overscroll-behavior: none;   /* no pull-to-refresh / scroll chaining on mobile */
}
html:has(.gallery-page) { height: 100%; overflow: hidden; overscroll-behavior: none; }

#gl {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;              /* track the visible viewport on mobile (no chrome jump) */
  display: block;
  cursor: grab;
  z-index: 1;
  touch-action: none;         /* the rail handles drag/swipe itself */
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
#gl.grabbing { cursor: grabbing; }

.ghead {
  position: fixed;
  z-index: 5;
  top: var(--pad-y);
  left: var(--pad-x);
  right: var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  pointer-events: none;
}
.ghead .brand { font-size: 22px; pointer-events: auto; }
.ghead__mid { padding-top: 1px; }
.ghead__title { font-size: 15px; font-weight: 700; color: var(--ink); margin: 0 0 8px; }
.ghead__meta { font-size: 14px; line-height: 1.5; color: var(--muted); }
.ghead__lede {
  justify-self: end;
  max-width: 320px;
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}

.ghint {
  position: fixed;
  z-index: 5;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  transition: opacity .5s ease;
}
.ghint.gone { opacity: 0; }
.ghint__arrow { animation: nudge 1.4s ease-in-out infinite; }
@keyframes nudge { 0%,100% { transform: translateX(0); } 50% { transform: translateX(5px); } }

.gback { position: fixed; z-index: 5; left: var(--pad-x); bottom: 16px; font-size: 13px; }
.gallery-page .copy { right: var(--pad-x); left: auto; }

.no-webgl #gl { display: none; }
.no-webgl::after {
  content: "WebGL is required to view this gallery.";
  position: fixed; inset: 0; display: grid; place-items: center; color: var(--muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 760px) {
  .home {
    grid-template-columns: 1fr;
    row-gap: 26px;
  }
  .home .brand { font-size: 24px; }
  .lede { max-width: none; }
  .case__head { grid-template-columns: 1fr; }
  .case__lede { grid-column: auto; max-width: none; }
  .grid { grid-template-columns: 1fr; }
  .band, .band3 { grid-template-columns: 1fr; }
  .sidecopy { writing-mode: horizontal-tb; transform: none; max-height: none; }
  .copy { position: static; margin-top: 60px; display: block; padding: 0 var(--pad-x); }

  /* gallery header: the 3-column layout is too tight on phones — stack it and
     drop the long intro (the same idea lives in the first "Just for me" tile). */
  .gallery-page .copy { position: fixed; margin-top: 0; padding: 0; }
  .ghead {
    grid-template-columns: 1fr;
    gap: 6px;
    top: 16px;
  }
  .ghead .brand { font-size: 18px; }
  .ghead__mid { padding-top: 0; }
  .ghead__title { font-size: 13px; margin-bottom: 4px; }
  .ghead__meta { font-size: 12px; line-height: 1.45; }
  .ghead__lede { display: none; }
  .ghint { bottom: 18px; font-size: 11px; }
}