/* Aperture landing page. Dark surfaces match the Fusion Lab demo; the blue accents
   and type follow packages/aperture/aperture.sty. */

@font-face { font-family: "Heros"; src: url("/site/fonts/texgyreheros-regular.otf") format("opentype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Heros"; src: url("/site/fonts/texgyreheros-bold.otf") format("opentype"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Inconsolata"; src: url("/site/fonts/Inconsolatazi4-Regular.otf") format("opentype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inconsolata"; src: url("/site/fonts/Inconsolatazi4-Bold.otf") format("opentype"); font-weight: 700; font-display: swap; }

:root {
  color-scheme: dark;
  /* Surfaces and text: the Fusion Lab demo's palette. */
  --bg: #101214;
  --panel: rgba(24, 28, 31, 0.88);
  --panel-solid: #181c1f;
  --field: #1e252a;
  --line: #334047;
  --line-strong: #60727a;
  --text: #f5f7f7;
  --text-2: #b8c2c7;
  --muted: #8a969c;
  /* Aperture blues: ApertureAccent for filled actions, a lighter tint for text on dark. */
  --accent: #285B96;
  --accent-deep: #17477F;
  --accent-text: #8DB3E2;
  --accent-fill: rgba(141, 179, 226, 0.16);
  --navy: #173044;
  --grid-minor: rgba(245, 247, 247, 0.028);
  --grid-major: rgba(245, 247, 247, 0.055);
  --sans: "Heros", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Inconsolata", ui-monospace, Menlo, Consolas, monospace;
  --gutter: clamp(16px, 4vw, 56px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  color: var(--text-2);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent-text); text-decoration: none; }
a:hover { color: var(--text); }
h1, h2, h3 { color: var(--text); font-weight: 700; margin: 0; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; border-radius: 4px; }

/* ---------------------------------------------------------------- nav */

/* No panel: the bar floats on the page, with a fade to the page colour so
   scrolled content never clashes with the buttons. */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px var(--gutter) 32px;
  background: linear-gradient(to bottom, rgba(16, 18, 20, 0.94) 45%, rgba(16, 18, 20, 0));
}
.brand { display: flex; align-items: center; padding: 2px 0; }
.brand img { display: block; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--text-2); font-size: 15px; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.tab, .cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: 10px; font-size: 15px; font-weight: 700; white-space: nowrap;
}
.tab { color: var(--text); border: 1px solid var(--line-strong); background: transparent; }
.tab:hover { color: var(--text); border-color: var(--text-2); background: rgba(245, 247, 247, 0.06); }
.cta { color: #fff; background: var(--accent); border: 1px solid var(--accent); }
.cta:hover { color: #fff; background: #2F6AAE; border-color: #2F6AAE; }

/* --------------------------------------------------------------- hero */

.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; align-items: center;
  padding: 132px var(--gutter) 0;
}
.fig-label, .section-num, .card-id, .panel-head, .title-block, .legend-row, .step-n, .form-status {
  font-family: var(--mono); letter-spacing: 0.06em;
}
.fig-label { align-self: flex-start; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
.fig-label .tick { width: 28px; height: 1px; background: var(--accent-text); }
.hero-copy { position: relative; z-index: 2; text-align: center; margin-top: clamp(24px, 6vh, 72px); }
.hero h1 {
  font-size: clamp(64px, 13vw, 196px); line-height: 0.92; letter-spacing: -0.045em;
}
.tagline { margin-top: clamp(10px, 2vh, 22px); color: var(--text); font-size: clamp(19px, 2.2vw, 30px); letter-spacing: -0.01em; }
.tagline em { font-style: normal; color: var(--accent-text); }
/* The figure starts in the hero and keeps going behind the next section, fading out there. */
#hero-canvas {
  position: absolute; left: 0; right: 0; top: 36%; width: 100%; height: calc(64% + 95vh);
  z-index: 0; pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, rgba(0, 0, 0, 0.35) 14vh, #000 26vh, #000 56vh, rgba(0, 0, 0, 0.42) 74vh, rgba(0, 0, 0, 0.16) 100vh, transparent 100%);
          mask-image: linear-gradient(to bottom, transparent 0, rgba(0, 0, 0, 0.35) 14vh, #000 26vh, #000 56vh, rgba(0, 0, 0, 0.42) 74vh, rgba(0, 0, 0, 0.16) 100vh, transparent 100%);
}
.legend, .title-block {
  position: absolute; bottom: 24px; z-index: 3;
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px;
  font-size: 11px; color: var(--muted);
}
.legend { left: var(--gutter); width: 230px; }
.panel-head {
  display: flex; justify-content: space-between; padding: 8px 12px;
  border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px;
}
.legend-row { display: flex; align-items: center; gap: 10px; padding: 7px 12px; color: var(--text-2); font-size: 12px; }
.legend-row + .legend-row { border-top: 1px dashed var(--line); }
.swatch { flex: none; display: inline-block; }
.swatch.dot { width: 4px; height: 4px; margin: 0 4px; border-radius: 50%; background: var(--text); }
.swatch.box { width: 12px; height: 9px; border: 1.5px solid var(--text); background: var(--accent-fill); }
.swatch.ego { width: 0; height: 0; margin: 0 1px; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 10px solid var(--text); }
.title-block { right: var(--gutter); width: min(380px, 40vw); }
.title-block dl { margin: 0; }
.title-block div { display: grid; grid-template-columns: 76px 1fr; border-top: 1px solid var(--line); }
.title-block div:first-child { border-top: 0; }
.title-block dt, .title-block dd { margin: 0; padding: 6px 12px; }
.title-block dt { color: var(--muted); border-right: 1px solid var(--line); }
.title-block dd { color: var(--text); }

/* ----------------------------------------------------------- sections */

main { padding-bottom: 40px; }
.credit-line { position: relative; z-index: 1; max-width: 1240px; margin: clamp(96px, 14vh, 160px) auto 0; padding: 0 var(--gutter); font-size: 12px; color: var(--muted); }
.credit-line a { color: var(--text-2); }
.page-partner .partner { min-height: 100svh; padding-top: clamp(140px, 20vh, 200px); }

.section { position: relative; z-index: 1; text-shadow: 0 0 14px var(--bg), 0 0 4px var(--bg); max-width: 1240px; margin: 0 auto; padding: clamp(80px, 12vh, 140px) var(--gutter) 0; }
.section-num { color: var(--accent-text); font-size: 13px; margin-bottom: 18px; }
.section h2 { font-size: clamp(32px, 4.6vw, 60px); line-height: 1.04; letter-spacing: -0.03em; max-width: 22ch; }
.lead { font-size: clamp(17px, 1.5vw, 20px); color: var(--text-2); }
.lead.muted { color: var(--muted); }
.lead.narrow { max-width: 62ch; margin-top: 24px; }
.lead-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 64px); margin-top: 32px; }

.cards { display: grid; gap: 16px; margin-top: 48px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.glyphs { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 22px 22px 24px;
}
.card-id { color: var(--muted); font-size: 11.5px; }
.card h3 { font-size: 21px; letter-spacing: -0.01em; margin: 10px 0 8px; }
.card p:not(.card-id) { font-size: 15.5px; color: var(--text-2); }
.card ul { margin: 0; padding-left: 18px; font-size: 15.5px; }
.card li { margin: 4px 0; }
.card li::marker { color: var(--accent-text); }

.glyph-card svg { display: block; width: 100%; height: auto; margin-bottom: 14px; border-bottom: 1px dashed var(--line); padding-bottom: 12px; }
.glyph-card svg text { font-family: var(--mono); font-size: 9px; fill: var(--text-2); letter-spacing: 0.04em; }
.g-grid path { stroke: rgba(245, 247, 247, 0.08); fill: none; }
.g-box path, .g-box rect { stroke: var(--text); stroke-width: 1.5; fill: var(--accent-fill); stroke-linejoin: round; }
.g-faint path, .g-faint rect { stroke: var(--line-strong); stroke-width: 1.25; fill: none; }
.g-axis path { stroke: var(--text); stroke-width: 1.25; fill: none; }
.g-tag rect { stroke: var(--line-strong); fill: var(--field); }
.g-dots circle { fill: var(--text); }

.steps {
  list-style: none; margin: 56px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 0;
  border-top: 1px solid var(--line-strong);
}
.steps li { position: relative; padding: 28px 18px 0 0; }
.steps li::before {
  content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px;
  border-radius: 50%; background: var(--bg); border: 2px solid var(--accent-text);
}
.step-n { display: block; color: var(--accent-text); font-size: 13px; margin-bottom: 8px; }
.steps h3 { font-size: 18px; letter-spacing: -0.01em; margin-bottom: 6px; }
.steps p { font-size: 14.5px; color: var(--muted); }
.loop-note { display: flex; align-items: center; gap: 12px; margin-top: 40px; color: var(--text); font-size: 16px; }
.loop-arrow { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line-strong); color: var(--accent-text); font-size: 18px; background: var(--panel-solid); }



.partner { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 5vw, 80px); align-items: start; }
.partner-copy .lead { margin-top: 24px; max-width: 46ch; }
.partner-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  background: var(--panel-solid); border: 1px solid var(--line); border-radius: 14px; padding: clamp(20px, 3vw, 32px);
}
.partner-form label { display: grid; gap: 6px; color: var(--text); font-size: 14px; font-weight: 700; }
.partner-form .wide { grid-column: 1 / -1; }
.partner-form input, .partner-form textarea {
  width: 100%; padding: 11px 12px; font: 400 16px var(--sans); color: #dce9ef;
  background: var(--field); border: 1px solid #3d4b54; border-radius: 8px; resize: vertical;
}
.partner-form input::placeholder, .partner-form textarea::placeholder { color: var(--muted); }
.partner-form input:focus, .partner-form textarea:focus { outline: none; border-color: var(--accent-text); box-shadow: 0 0 0 3px rgba(141, 179, 226, 0.18); }
.partner-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.partner-form button {
  display: inline-flex; align-items: center; gap: 6px; padding: 12px 22px; border: 0; border-radius: 10px;
  background: var(--accent); color: #fff; font: 700 16px var(--sans); cursor: pointer;
}
.partner-form button:hover { background: #2F6AAE; }
.partner-form button:disabled { opacity: 0.6; cursor: progress; }
.form-status { font-size: 13px; color: var(--muted); }
.form-status.ok { color: var(--accent-text); }
.form-status.err { color: #F09A9A; }


/* ---------------------------------------------------------- responsive */

@media (max-width: 1080px) {
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 36px; border-top: 0; }
  .steps li { border-top: 1px solid var(--line-strong); }
  .cards.glyphs { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .nav-links { display: none; }
  .legend { display: none; }
  .title-block { left: var(--gutter); right: var(--gutter); width: auto; }
  .title-block div:nth-child(2), .title-block div:nth-child(5) { display: none; }
  .lead-grid, .cards.three, .partner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .nav { padding: 12px 12px 24px; }
  .tab, .cta { padding: 8px 12px; font-size: 14px; }
  .hero { padding-top: 104px; }
  .title-block div { grid-template-columns: 64px 1fr; }
  .steps { grid-template-columns: 1fr; }
  .cards.glyphs { grid-template-columns: 1fr; }
  .partner-form { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}