/* JEM Studio site styles. Self-contained: no external fonts, CDNs, or trackers.
   Type identity uses only platform system fonts:
   New York serif (display) + San Francisco (body) + monospace (timecode-style labels). */

:root {
  color-scheme: light dark;

  --font-serif: ui-serif, "New York", Georgia, "Iowan Old Style", "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Menlo", "Cascadia Code", Consolas, monospace;

  /* Brand gradient, drawn from the app icon. Kept contained to the gem. */
  --coral: #f98a3c;
  --magenta: #e12c74;
  --violet: #7c3aa0;
  --lavender: #c7cce8;

  /* Light theme. Text colors pass WCAG AA on --paper. */
  --paper: #fbf9fb;
  --surface: #ffffff;
  --ink: #17101f;        /* display headings */
  --body: #38313f;       /* body text ~10:1 */
  --muted: #5f5769;      /* secondary ~5.4:1 */
  --line: #e9e3ee;
  --card-line: #ece6f1;
  --link: #b0195f;       /* magenta-ink link ~5.6:1 */
  --link-hover: #85114a;
  --focus: #6a2a9e;
  --panel-tint: #f6f1f8;
  --shadow: rgba(23, 16, 31, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121019;
    --surface: #1b1526;
    --ink: #f5f1f8;
    --body: #dad3e2;       /* ~11:1 */
    --muted: #a79eb5;      /* ~5.3:1 */
    --line: #2b2338;
    --card-line: #302840;
    --link: #f6a8cb;       /* ~7:1 on dark paper */
    --link-hover: #fac8dd;
    --focus: #d9b3f2;
    --lavender: #b9c0e4;
    --panel-tint: #201829;
    --shadow: rgba(0, 0, 0, 0.5);
  }
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--surface);
  color: var(--link);
  padding: 0.6rem 1rem;
  border: 2px solid var(--focus);
  border-radius: 8px;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.wrap {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.4rem;
}

/* Shared label style: monospace, tracked out, like an editor's timecode readout. */
.kicker {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--magenta);
}

/* --- Top gradient hairline: the only place the full gradient runs edge to edge. --- */
.topbar {
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--magenta) 48%, var(--violet));
}

/* --- Header --- */
header.site {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(1.4) blur(8px);
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.14rem;
  letter-spacing: -0.02em;
}
.brand:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}
.brand .mark {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 1px 3px var(--shadow);
}
nav.site { display: flex; gap: 1.3rem; flex-wrap: wrap; }
nav.site a {
  color: var(--body);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.96rem;
  padding: 0.15rem 0;
  border-bottom: 2px solid transparent;
}
nav.site a:hover { color: var(--link); border-bottom-color: var(--magenta); }
nav.site a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--magenta); }
nav.site a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

main { padding: clamp(2rem, 6vw, 3.75rem) 0 1rem; }

/* --- Hero --- */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.5rem, 5vw, 3rem);
  align-items: center;
  padding-bottom: clamp(2rem, 6vw, 3.25rem);
}
.hero .kicker { display: block; margin-bottom: 1rem; }
h1 {
  font-family: var(--font-sans);
  color: var(--ink);
  font-weight: 700;
  font-size: clamp(2.25rem, 5.8vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.022em;
  margin: 0 0 1.1rem;
}
.hero p.lede {
  font-size: 1.16rem;
  color: var(--body);
  margin: 0 0 1.5rem;
  max-width: 42ch;
}

/* The editing pipeline, as a genuine sequence: import, then edit, then export. */
.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.7rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
  padding: 0;
  list-style: none;
}
.pipeline li { display: inline-flex; align-items: center; gap: 0.7rem; margin: 0; }
.pipeline li:not(:last-child)::after {
  content: "";
  width: 16px;
  height: 1px;
  background: linear-gradient(90deg, var(--magenta), transparent);
}
.pipeline .on { color: var(--ink); }

/* The gem: the real app icon on a faceted light panel with a cut corner. */
.gem {
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(1.6rem, 5vw, 2.9rem);
  background: var(--panel-tint);
  border: 1px solid var(--card-line);
  /* one facet sliced off the top-right corner: the cut */
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  filter: drop-shadow(0 20px 44px var(--shadow));
  overflow: hidden;
}
.gem::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--coral) 20%, transparent), transparent 44%),
    linear-gradient(305deg, color-mix(in srgb, var(--violet) 24%, transparent), transparent 52%);
}
.gem::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(116deg, transparent 45%, color-mix(in srgb, var(--surface) 70%, transparent) 46.5%, transparent 48%);
}
.gem img {
  position: relative;
  width: clamp(112px, 30vw, 172px);
  height: auto;
  border-radius: 24%;
  box-shadow: 0 12px 30px rgba(23, 16, 31, 0.32);
}

/* --- Sections --- */
section { margin-top: clamp(2.75rem, 7vw, 4.25rem); }
.section-head { margin-bottom: 1.5rem; }
.section-head .kicker { display: block; margin-bottom: 0.6rem; }
h2 {
  font-family: var(--font-sans);
  color: var(--ink);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.5vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0;
}
h3 {
  font-family: var(--font-sans);
  color: var(--ink);
  font-weight: 650;
  font-size: 1.16rem;
  letter-spacing: -0.015em;
  margin: 0 0 0.35rem;
}
p { margin: 0 0 1rem; }
a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { color: var(--link-hover); }
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 3px;
}
strong { color: var(--ink); font-weight: 640; }

/* Three facets: the commitments, presented as cut planes of one stone. */
.facets { display: grid; gap: 1.6rem; }
@media (min-width: 620px) { .facets { grid-template-columns: repeat(3, 1fr); gap: 1.9rem; } }
.facet { position: relative; padding-top: 1.1rem; border-top: 1px solid var(--line); }
.facet-mark {
  width: 16px;
  height: 16px;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--coral), var(--magenta) 55%, var(--violet));
  transform: rotate(45deg);
  border-radius: 2px;
}
.facet p { color: var(--body); margin-bottom: 0; }

/* Capability cards. The gradient corner reads as a cut facet. */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.cards li {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--card-line);
  border-radius: 14px;
  padding: 1.15rem 1.2rem 1.25rem;
  margin: 0;
}
.cards li::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--coral), var(--magenta) 55%, var(--violet));
  opacity: 0.18;
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}
.cards .term {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--magenta);
  margin-bottom: 0.5rem;
}
.cards h3 { margin: 0 0 0.3rem; font-size: 1.08rem; }
.cards p { margin: 0; color: var(--muted); font-size: 0.97rem; }

/* Callout with a cut corner. */
.note {
  position: relative;
  background: var(--panel-tint);
  border: 1px solid var(--card-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  padding: 1.15rem 1.3rem;
  margin: 1.6rem 0;
}
.note p:last-child { margin-bottom: 0; }

.meta { color: var(--muted); font-size: 0.94rem; }
.email { font-weight: 640; white-space: nowrap; }

hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

/* Long-form text pages */
.prose h2 { margin-top: 2.4rem; }
.prose h2:first-of-type { margin-top: 1.6rem; }
.prose ul { padding-left: 1.15rem; margin: 0 0 1rem; }
.prose li { margin: 0.35rem 0; }
.lead {
  font-size: 1.16rem;
  color: var(--body);
  margin: 0 0 1.5rem;
  max-width: 52ch;
}

/* --- Footer --- */
footer.site {
  border-top: 1px solid var(--line);
  margin-top: clamp(3rem, 8vw, 4.5rem);
  padding: 1.9rem 0 2.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}
footer.site .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}
footer.site .fbrand { font-family: var(--font-mono); letter-spacing: 0.04em; }
footer.site nav { display: flex; gap: 1.3rem; flex-wrap: wrap; }
footer.site a { color: var(--body); text-decoration: none; }
footer.site a:hover { color: var(--link); text-decoration: underline; }

/* 404 */
.center { text-align: center; padding: clamp(2.5rem, 8vw, 4.5rem) 0; }
.center .mark-lg {
  width: 84px;
  height: 84px;
  margin: 0 auto 1.5rem;
  display: block;
  border-radius: 22%;
  box-shadow: 0 10px 30px var(--shadow);
}

/* --- Responsive --- */
@media (max-width: 680px) {
  .hero { grid-template-columns: 1fr; }
  .gem { order: -1; justify-self: start; padding: clamp(1.4rem, 8vw, 2rem); }
  .gem img { width: clamp(104px, 32vw, 148px); }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  header.site .wrap { padding-top: 0.7rem; padding-bottom: 0.7rem; }
}

@media (prefers-reduced-motion: no-preference) {
  a, nav.site a { transition: color 0.15s ease, border-color 0.15s ease; }
}