/* ============================================================
   Perci — marketing site
   Dark-only. Warm near-black, one orange, hairline chrome.
   Display: Schibsted Grotesk · Body: your OS's own UI face ·
   Data: ui-monospace. The page is a tidy desk.
   ============================================================ */

:root {
  --bg:        #0C0C0D;
  --bg-2:      #141416;
  --bg-3:      #1C1C1F;
  --chrome:    #1B1B1E;   /* window title bars */
  --ink:       #F5F5F7;
  --ink-2:     #B0B0B8;
  --ink-3:     #8E8E97;
  --line:      rgba(255, 255, 255, 0.08);
  --line-2:    rgba(255, 255, 255, 0.15);
  --accent:    #F97316;
  --accent-dn: #EA580C;
  --accent-2:  #FB923C;
  --ok:        #86EFAC;
  --bad:       #FCA5A5;

  --font-d: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-b: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-m: ui-monospace, "SF Mono", SFMono-Regular, "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;

  --sect: clamp(5.5rem, 10vw, 9rem);
  --r-win: 10px;
  --r-card: 12px;
}

/* ---------- Reset / base ---------- */

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--font-b);
  font-synthesis-weight: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: inline-block; vertical-align: middle; }
img { max-width: 100%; height: auto; }

h1, h2, h3, p { margin: 0; }

a { color: inherit; text-decoration: none; }
p a, .credit a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line-2);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s ease, color 0.15s ease;
}
p a:hover, .credit a:hover { color: var(--accent-2); text-decoration-color: currentColor; }

::selection { background: rgba(249, 115, 22, 0.32); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.skip {
  position: absolute;
  left: 16px; top: -48px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--accent);
  color: #0C0C0D;
  font-weight: 600;
  border-radius: 0 0 10px 10px;
  transition: top 0.15s ease;
}
.skip:focus-visible { top: 0; outline-offset: 0; }

.container {
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
}

.section { padding-block: calc(var(--sect) / 2); }
main > .section { scroll-margin-top: 76px; }

/* Icons inherit stroke by default; filled symbols override inline */
svg use { pointer-events: none; }
svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Type voices ---------- */

h1, h2 {
  font-family: var(--font-d);
  font-weight: 700;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.55rem, 5.2vw + 1rem, 4.4rem);
  line-height: 1.04;
}

h2 {
  font-size: clamp(1.7rem, 2.4vw + 0.75rem, 2.45rem);
  line-height: 1.12;
}

h2 em { font-style: italic; font-weight: 700; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 500 12px/1 var(--font-m);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.tick {
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--accent);
  flex: none;
}

.accent { color: var(--accent-2); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 46px;
  padding: 0 22px;
  border-radius: 11px;
  font: 600 15px/1 var(--font-b);
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--accent); color: #0C0C0D; }
.btn-primary:hover { background: var(--accent-dn); }
.btn-primary svg { stroke-width: 2; }

.btn-ghost {
  border: 1px solid var(--line-2);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--bg-2); border-color: rgba(255, 255, 255, 0.26); }
.btn-ghost svg { fill: currentColor; stroke: none; }

.btn-sm { height: 34px; padding: 0 14px; border-radius: 9px; font-size: 13.5px; }

/* ---------- Menu bar (site nav) ---------- */

.menubar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 12, 13, 0.8);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}

.menubar-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 58px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand img { filter: brightness(1.22) saturate(1.05); }
.brand-name {
  font: 700 17px/1 var(--font-d);
  letter-spacing: -0.01em;
}

.menubar-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.menubar-links a {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-2);
  transition: color 0.15s ease, background 0.15s ease;
}
.menubar-links a:hover { color: var(--ink); background: var(--bg-2); }

.menubar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.menubar-links + .menubar-actions { margin-left: 0; }
.gh-link { color: var(--ink-2); transition: color 0.15s ease; display: inline-flex; }
.gh-link:hover { color: var(--ink); }
.gh-link svg { fill: currentColor; stroke: none; }

@media (max-width: 700px) {
  .menubar-links { display: none; }
  .menubar-actions { margin-left: auto; }
}

/* ---------- Hero ---------- */

.hero { padding-top: clamp(4rem, 9vw, 7rem); }

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero-copy .eyebrow { justify-content: center; }

.hero h1 { margin-top: 22px; max-width: 17ch; }

.hero-sub {
  margin-top: 22px;
  max-width: 58ch;
  font-size: clamp(1.02rem, 0.4vw + 0.95rem, 1.16rem);
  line-height: 1.65;
  color: var(--ink-2);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

.hero-meta {
  margin-top: 18px;
  font-size: 13px;
  color: var(--ink-3);
}

/* ---------- Screenshot frames ----------
   Real product screenshots sit inside hand-built window chrome:
   hairline border, title bar with traffic lights, deep soft shadow,
   and — for the hero — a warm glow bleeding out from behind the glass.
   While a screenshot file is absent, the media area renders as a quiet
   wallpaper surface with a small mono label instead of a broken image. */

.shot-wrap { margin-top: clamp(3rem, 6vw, 4.5rem); }

.shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  overflow: hidden;
  background: #101013;
  box-shadow:
    0 40px 90px -30px rgba(0, 0, 0, 0.7),
    0 0 0 6px rgba(255, 255, 255, 0.02);
}

.shot-hero::before {
  content: "";
  position: absolute;
  inset: -40% -20%;
  z-index: 0;
  background: radial-gradient(50% 42% at 50% 62%, rgba(249, 115, 22, 0.1), transparent 70%);
  pointer-events: none;
}
.shot-hero > * { position: relative; z-index: 1; }

.shot-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding-inline: 13px;
  background: var(--chrome);
  border-bottom: 1px solid var(--line);
}

.dots { display: inline-flex; gap: 5px; flex: none; }
.dots i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}
.shot-bar .dots i:nth-child(1) { background: #FF5F57; }
.shot-bar .dots i:nth-child(2) { background: #FEBC2E; }
.shot-bar .dots i:nth-child(3) { background: #28C840; }
.card .dots i { width: 7px; height: 7px; }

.win-title {
  font: 600 11.5px/1 var(--font-b);
  letter-spacing: 0.01em;
  color: #D6D6DC;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shot-media {
  position: relative;
  aspect-ratio: 2000 / 1299;
  /* placeholder surface: the desktop wallpaper, waiting for its screenshot */
  background:
    radial-gradient(560px 300px at 50% 108%, rgba(249, 115, 22, 0.06), transparent 70%),
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px) 0 0 / 22px 22px,
    #0E0E10;
}
.shot-media::before {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  translate: -50% calc(-50% - 42px);
  width: 88px;
  height: 65px;
  background: rgba(255, 255, 255, 0.07);
  -webkit-mask: url("assets/perci-logo.svg") center / contain no-repeat;
  mask: url("assets/perci-logo.svg") center / contain no-repeat;
}
.shot-media::after {
  content: attr(data-label);
  position: absolute;
  inset: 50% auto auto 50%;
  translate: -50% calc(-50% + 26px);
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(12, 12, 13, 0.6);
  font: 500 11px/1 var(--font-m);
  letter-spacing: 0.08em;
  color: var(--ink-3);
  white-space: nowrap;
}
.shot-media img {
  position: relative;
  z-index: 1; /* covers the placeholder label once pixels arrive */
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* if the file is missing, style the alt text rather than shouting */
  font: 400 13px/1.5 var(--font-b);
  color: var(--ink-3);
  padding: 18px;
  text-align: center;
}
/* JS marks confirmed-missing files; the wallpaper + label stand in */
/* --- Light/dark screenshot swap -----------------------------------------
   Perci ships both themes, so the hero shows both. Without JS the toggle is
   never injected and the dark shot stands alone, which is the page's theme. */
.shot-img.is-light { display: none; }
.shot-media.show-light .shot-img.is-dark  { display: none; }
.shot-media.show-light .shot-img.is-light { display: block; }

/* A file that fails to load drops back to the placeholder surface. Must sit
   after the swap rules — it ties them on specificity and wins on order, so a
   missing light shot can't be forced visible by .show-light. */
.shot-media .shot-img.missing { display: none; }

.shot-actions { margin-left: auto; }

.theme-toggle {
  display: inline-flex;
  padding: 2px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.25);
}
.theme-toggle button {
  padding: 3px 11px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  font: 600 10.5px/1 var(--font-b);
  letter-spacing: 0.03em;
  color: var(--ink-3);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}
.theme-toggle button:hover { color: var(--ink); }
.theme-toggle button[aria-pressed="true"] {
  background: var(--accent);
  color: #170D05;
}

.shot-inline { margin-top: 40px; }

.shot-cap {
  margin-top: 14px;
  font: 400 13.5px/1.6 var(--font-b);
  color: var(--ink-3);
  text-align: center;
  text-wrap: balance;
}

@media (prefers-reduced-motion: no-preference) {
  .shot-hero { animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(16px) scale(0.99); }
  to   { opacity: 1; transform: none; }
}

@media (max-width: 700px) {
  .shot { border-radius: 10px; }
  .shot-bar { height: 30px; padding-inline: 11px; }
}

/* ---------- Proof strip ---------- */

.proof { padding-top: clamp(3.5rem, 7vw, 5.5rem); }

.proof-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px 24px;
}
.stat + .stat { border-left: 1px solid var(--line); }
.stat strong {
  font: 700 clamp(1.35rem, 2vw, 1.7rem)/1.1 var(--font-d);
  letter-spacing: -0.015em;
}
.stat span { font-size: 12.5px; color: var(--ink-3); }

@media (max-width: 720px) {
  .proof-row { grid-template-columns: 1fr 1fr; }
  .stat { padding: 18px 18px; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- Section heads ---------- */

.sec-head { max-width: 640px; }
.sec-head h2 { margin-top: 16px; }
.sec-sub {
  margin-top: 14px;
  font-size: 1.03rem;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 54ch;
}

/* ---------- Toolkit cards (miniature windows at rest) ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 44px;
}

.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  border-color: var(--line-2);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -18px rgba(0, 0, 0, 0.8);
}

.card-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
/* card traffic lights sleep until you reach for the window */
.card .dots i { transition: background 0.25s ease; }
.card:hover .dots i:nth-child(1) { background: #FF5F57; }
.card:hover .dots i:nth-child(2) { background: #FEBC2E; }
.card:hover .dots i:nth-child(3) { background: #28C840; }

.card-ico { color: var(--ink-3); transition: color 0.18s ease; margin-left: 2px; }
.card:hover .card-ico { color: var(--accent); }

.card h3 {
  font: 600 13.5px/1.2 var(--font-b);
  letter-spacing: 0.002em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card p {
  padding: 12px 14px 14px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-2);
}

@media (max-width: 1020px) { .cards { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 780px)  { .cards { grid-template-columns: repeat(2, 1fr); gap: 12px; } }
@media (max-width: 480px)  { .cards { grid-template-columns: 1fr; } }

/* ---------- AI workspace list ---------- */

.feats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 56px;
  margin-top: 40px;
}

.feat {
  padding-block: 20px 22px;
  border-top: 1px solid var(--line);
}
.feat h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 600 16.5px/1.3 var(--font-b);
  letter-spacing: -0.005em;
}
.feat h3::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 2.5px;
  background: var(--accent);
  opacity: 0.85;
  flex: none;
}
.feat p {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

@media (max-width: 720px) {
  .feats { grid-template-columns: 1fr; }
}

/* ---------- Story ---------- */

.story {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: clamp(20px, 4vw, 44px);
  max-width: 780px;
}

.rail { position: relative; }
.rail::before {
  content: "";
  position: absolute;
  top: 6px; bottom: 6px;
  left: 50%;
  width: 1px;
  margin-left: -0.5px;
  background: linear-gradient(var(--line-2), var(--line));
}
.rail .node {
  position: absolute;
  left: 50%;
  width: 9px; height: 9px;
  margin-left: -4.5px;
  border-radius: 50%;
  background: #3C3C42;
}
.rail .node.hollow {
  background: var(--bg);
  border: 1.5px solid var(--line-2);
  width: 10px; height: 10px; margin-left: -5px;
}
.rail .node:nth-child(1) { top: 2px; }
.rail .node:nth-child(2) { top: 34%; }
.rail .node:nth-child(3) { top: 66%; }
.rail .node.now {
  bottom: 0;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(249, 115, 22, 0.16);
}

.story-body h2 { margin-top: 16px; }
.story-body h2 + p { margin-top: 18px; }
.story-body p {
  max-width: 58ch;
  color: var(--ink-2);
  line-height: 1.7;
}
.story-body p + p { margin-top: 14px; }
.credit {
  margin-top: 22px;
  font-size: 13px;
  color: var(--ink-3);
}
.credit a { color: var(--ink-2); }

@media (max-width: 520px) {
  .story { grid-template-columns: 26px 1fr; }
}

/* ---------- Free forever ---------- */

.free-plate {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--line-2);
  border-radius: 20px;
  background:
    radial-gradient(640px 320px at 10% 0%, rgba(249, 115, 22, 0.09), transparent 62%),
    var(--bg-2);
  overflow: hidden;
}

.free-copy h2 { max-width: 16ch; }
.free-copy h2 + p {
  margin-top: 18px;
  max-width: 56ch;
  color: var(--ink-2);
  line-height: 1.7;
}
.free-copy strong { color: var(--ink); }
.fine {
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-3);
}

.mascot {
  width: clamp(120px, 16vw, 168px);
  height: auto;
  flex: none;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.45));
}
@media (prefers-reduced-motion: no-preference) {
  .mascot { animation: bob 5.5s ease-in-out infinite; }
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

@media (max-width: 640px) {
  .free-plate { grid-template-columns: 1fr; }
  .mascot { order: -1; width: 112px; justify-self: center; }
  .free-copy { text-align: left; }
}

/* ---------- Local-first trust ---------- */

.trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
}
.trust-item svg { color: var(--accent-2); }
.trust-item h3 {
  margin-top: 14px;
  font: 600 16px/1.3 var(--font-b);
}
.trust-item p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 34ch;
}

@media (max-width: 720px) {
  .trust { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Get started ---------- */

.start .sec-head { margin-bottom: 32px; }

.term {
  max-width: 660px;
  background: #101013;
  border: 1px solid var(--line);
  border-radius: var(--r-win);
  overflow: hidden;
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.7);
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding-inline: 12px;
  background: var(--chrome);
  border-bottom: 1px solid var(--line);
}
.term-bar .dots i:nth-child(1) { background: #FF5F57; }
.term-bar .dots i:nth-child(2) { background: #FEBC2E; }
.term-bar .dots i:nth-child(3) { background: #28C840; }
.term-actions { margin-left: auto; }

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line-2);
  border-radius: 7px;
  background: transparent;
  font: 600 11.5px/1 var(--font-b);
  color: var(--ink-2);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.copy-btn:hover { color: var(--ink); border-color: rgba(255, 255, 255, 0.26); background: var(--bg-2); }
.copy-btn.done { color: var(--ok); border-color: rgba(134, 239, 172, 0.35); }

.term pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  font: 400 13.5px/1.85 var(--font-m);
  color: var(--ink);
}
.term .p { color: var(--ink-3); user-select: none; }

.start-alt {
  margin-top: 20px;
  font-size: 14.5px;
  color: var(--ink-2);
}
.alt-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  color: var(--accent-2);
  font-weight: 600;
  transition: color 0.15s ease, gap 0.15s ease;
}
.alt-link:hover { color: var(--accent); }
.alt-link svg { stroke-width: 2; }

/* ---------- Footer ---------- */

.footer {
  margin-top: calc(var(--sect) / 2);
  border-top: 1px solid var(--line);
  padding-block: 44px 36px;
}

.foot-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
}

.foot-brand { display: flex; align-items: center; gap: 14px; }
.foot-brand img { filter: brightness(1.22); }
.foot-brand p { font-size: 13.5px; color: var(--ink-2); max-width: 30ch; }

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
}
.foot-links a {
  font-size: 13.5px;
  color: var(--ink-3);
  padding-block: 4px;
  transition: color 0.15s ease;
}
.foot-links a:hover { color: var(--ink); }

.foot-fine {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-3);
}

/* ---------- Scroll reveals (JS-gated; page is whole without them) ---------- */

@media (prefers-reduced-motion: no-preference) {
  .js .rv {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .js .rv.in { opacity: 1; transform: none; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .chip:hover { transform: none; }
  .card:hover { transform: none; }
}