/* Aztek website. Navy, cyan and orange over silver and paper: the colours of 3D software brochures and magazines of
   the early 2000s. One accent per area of the application, used for its tab, rule and links. */
:root {
  --ink: #0a1626;
  --navy: #10284a;
  --blue: #1d5f9e;
  --cyan: #29b8d8;
  --orange: #f08a1c;
  --paper: #f4f2ed;
  --white: #ffffff;
  --text: #1b2230;
  --muted: #5b6574;
  --rule: #d5d2ca;
  --silver-1: #eef1f4;
  --silver-2: #c9d0d8;
  --max: 1180px;

  --c-model: #1fa9cc;
  --c-uv: #7cb52e;
  --c-rig: #7b55c7;
  --c-anim: #e2532c;
  --c-dyn: #2a6fc0;
  --c-ren: #ef8a17;
  --c-usd: #179c8e;
  --c-code: #c99a12;
  --c-ui: #6b7685;
  --c-ex: #c8377f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 17px/1.6 Barlow, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); }
h1, h2, h3, .tab, .kicker, .os, .g strong, .g b, .btn, .fb-pill, figcaption b {
  font-family: "Barlow Condensed", Barlow, sans-serif;
}
h2 { font-size: 40px; line-height: 1.05; font-weight: 700; margin: 0 0 18px; text-transform: uppercase; letter-spacing: 0.01em; }
h3 { font-size: 30px; line-height: 1.1; font-weight: 700; margin: 0 0 12px; }
code, pre { font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; font-size: 0.84em; }
p code, li code, h3 code, figcaption code, span code { background: rgba(16, 40, 74, 0.08); padding: 0.06em 0.32em; border-radius: 3px; }
pre {
  background: var(--ink);
  color: #d8e6f2;
  border-left: 4px solid var(--cyan);
  padding: 14px 16px;
  overflow-x: auto;
  line-height: 1.5;
  margin: 16px 0;
}
img, video { max-width: 100%; height: auto; display: block; }
section { padding: 0 16px; }
.small { font-size: 14px; color: var(--muted); }

/* Top bar */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px max(16px, calc((100% - var(--max)) / 2));
  background: linear-gradient(#173a66, #0d2240);
  border-bottom: 2px solid var(--orange);
  color: var(--white);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--white);
  font: 700 22px "Barlow Condensed", sans-serif; letter-spacing: 0.08em; text-transform: uppercase; }
.brand img { border-radius: 5px; }
.top nav { display: flex; gap: 18px; flex-wrap: wrap; }
.top nav a { color: #b9cbe0; text-decoration: none; font: 600 15px "Barlow Condensed", sans-serif; text-transform: uppercase; letter-spacing: 0.06em; }
.top nav a:hover { color: var(--white); }

/* Hero: deep blue with a cyan glow, the splash in a bevelled frame */
.hero {
  background:
    radial-gradient(ellipse 60% 70% at 78% 30%, rgba(41, 184, 216, 0.35), transparent 70%),
    radial-gradient(ellipse 50% 60% at 10% 100%, rgba(240, 138, 28, 0.18), transparent 70%),
    linear-gradient(160deg, #163d6c 0%, #0b1d36 55%, #070f1d 100%);
  color: var(--white);
  padding-top: 40px; padding-bottom: 46px;
}
.hero-in { max-width: var(--max); margin: 0 auto; }
.splash {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.06), 0 18px 50px rgba(0, 0, 0, 0.55);
}
.hero-text { margin-top: 34px; max-width: 860px; }
.kicker { margin: 0 0 6px; color: var(--orange); font-weight: 700; font-size: 18px; text-transform: uppercase; letter-spacing: 0.14em; }
h1 { font: 700 clamp(34px, 5vw, 58px)/1.02 "Barlow Condensed", sans-serif; margin: 0 0 18px; text-transform: uppercase; }
.standfirst { font-size: 19px; color: #d2deeb; margin: 0; }
.standfirst code { background: rgba(255, 255, 255, 0.12); }

/* Download panel: brushed silver, every package in reach */
.download {
  background: linear-gradient(var(--silver-1), var(--silver-2));
  border-bottom: 1px solid #a9b2bc;
  padding-top: 30px; padding-bottom: 26px;
}
.download > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.dl-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.dl-head h2 { margin: 0; color: var(--navy); }
.build-line { margin: 0; color: var(--muted); font-size: 14px; }
.dl-grid { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 10px; margin: 18px auto; }
.dl {
  display: flex; flex-direction: column; gap: 2px;
  padding: 14px 12px 12px;
  background: linear-gradient(#ffffff, #e6eaee);
  border: 1px solid #a7b0ba;
  border-top: 4px solid var(--blue);
  text-decoration: none; color: var(--text);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset, 0 2px 4px rgba(10, 22, 38, 0.12);
}
.dl:hover { border-top-color: var(--orange); background: #fff; }
.dl.win { border-top-color: #1f8fd6; }
.dl.rocky { border-top-color: #10b981; }
.dl.ubuntu { border-top-color: #e95420; }
.dl.linux { border-top-color: #4c5564; }
.dl.mac { border-top-color: #9aa3ad; }
.dl:hover { border-top-color: var(--orange); }
.dl .os { font-size: 20px; font-weight: 700; color: var(--navy); line-height: 1.1; }
.dl .file { color: var(--muted); font-size: 13px; }
.dl.missing { opacity: 0.45; pointer-events: none; cursor: default; }
.buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block; padding: 9px 16px;
  background: linear-gradient(#1f4f86, #12305a);
  color: var(--white); text-decoration: none;
  font-size: 17px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  border: 1px solid #0c2340;
}
.btn:hover { background: linear-gradient(#2a64a6, #173c70); }
.btn.hot { background: linear-gradient(#f7a13a, #e07a0c); border-color: #b9620a; color: #1b1203; }
.download .small { margin-top: 14px; }

/* Why and Copy it anywhere: a magazine page, editorial column and a boxout */
.why {
  max-width: var(--max); margin: 0 auto; padding-top: 56px; padding-bottom: 56px;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 44px; align-items: start;
}
.why h2 { color: var(--navy); }
.dropcap::first-letter {
  float: left; font: 700 82px/0.8 "Barlow Condensed", sans-serif; color: var(--orange);
  margin: 6px 10px 0 0;
}
.why-col p { font-size: 19px; }
.pull {
  font: 700 30px/1.15 "Barlow Condensed", sans-serif !important; text-transform: uppercase;
  color: var(--navy); border-top: 4px solid var(--orange); border-bottom: 1px solid var(--rule);
  padding: 14px 0; margin: 26px 0 0;
}
.copy-box {
  background: var(--white);
  border: 1px solid var(--rule);
  border-top: 6px solid var(--cyan);
  padding: 22px 24px 8px;
  box-shadow: 0 6px 18px rgba(10, 22, 38, 0.08);
}
.copy-box h2 { font-size: 30px; color: var(--navy); }

/* At a glance: one coloured tile per area */
.glance { max-width: var(--max); margin: 0 auto; padding-bottom: 50px; }
.glance h2 { color: var(--navy); }
.glance-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.g {
  display: flex; flex-direction: column; gap: 4px; padding: 16px 16px 18px;
  color: var(--white); text-decoration: none; min-height: 150px;
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 82%, white) 0%, var(--c) 45%, color-mix(in srgb, var(--c) 70%, black) 100%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 4px 10px rgba(10, 22, 38, 0.18);
}
.g:hover { transform: translateY(-2px); }
.g b { font-size: 16px; opacity: 0.8; letter-spacing: 0.1em; }
.g strong { font-size: 30px; text-transform: uppercase; line-height: 1; }
.g span { font-size: 15px; line-height: 1.35; opacity: 0.95; }
.g span code { background: rgba(255, 255, 255, 0.2); }
.c-model { --c: var(--c-model); } .c-uv { --c: var(--c-uv); } .c-rig { --c: var(--c-rig); } .c-anim { --c: var(--c-anim); }
.c-dyn { --c: var(--c-dyn); } .c-ren { --c: var(--c-ren); } .c-usd { --c: var(--c-usd); } .c-code { --c: var(--c-code); }
.c-ui { --c: var(--c-ui); } .c-ex { --c: var(--c-ex); }

/* Reel: moving pictures on a dark strip */
.reel {
  background: linear-gradient(#0b1d36, #070f1d);
  padding-top: 34px; padding-bottom: 34px;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px;
}
.reel { padding-left: max(16px, calc((100% - var(--max)) / 2)); padding-right: max(16px, calc((100% - var(--max)) / 2)); }
.reel figure { margin: 0; }
.reel video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid rgba(255, 255, 255, 0.25); background: #000; }
.reel figcaption { color: #b9cbe0; font-size: 15px; margin-top: 8px; }
.reel figcaption b { color: var(--cyan); }

figcaption { font-size: 14px; color: var(--muted); margin-top: 6px; line-height: 1.4; }
figcaption b { text-transform: uppercase; letter-spacing: 0.06em; color: var(--c, var(--navy)); margin-right: 6px; font-size: 15px; }

.showcase { max-width: var(--max); margin: 0 auto; padding-top: 50px; }
.showcase figure { margin: 0; }
.showcase img { border: 1px solid var(--rule); box-shadow: 0 10px 30px rgba(10, 22, 38, 0.18); }

/* Feature spreads */
.features { max-width: var(--max); margin: 0 auto; padding-top: 20px; }
.spread {
  display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 0 40px;
  padding: 44px 0; border-top: 1px solid var(--rule);
}
.spread .tab {
  grid-column: 1 / -1;
  justify-self: start;
  background: var(--c); color: var(--white);
  font-size: 22px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  padding: 4px 14px 4px 10px; margin-bottom: 20px;
}
.spread .tab b { display: inline-block; background: rgba(0, 0, 0, 0.22); padding: 0 8px; margin-right: 10px; }
.spread h3 { color: var(--navy); }
.spread .lead { font-size: 20px; font-weight: 500; color: var(--text); border-left: 4px solid var(--c); padding-left: 12px; }
.spread-copy p { margin: 0 0 14px; }
.spread a { color: var(--c); }
.spread-media { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-content: start; }
.spread-media figure { margin: 0; }
.spread-media .wide { grid-column: 1 / -1; }
.spread-media img, .spread-media video { width: 100%; border: 1px solid #b9bec6; box-shadow: 0 4px 12px rgba(10, 22, 38, 0.12); background: #555; }

/* Feedback */
.feedback {
  max-width: var(--max); margin: 30px auto 0; padding: 40px 28px;
  background: var(--white); border: 1px solid var(--rule); border-top: 6px solid var(--orange);
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 36px; align-items: center;
}
.feedback h2 { color: var(--navy); }
.fb-pill {
  display: inline-block; background: linear-gradient(#ffad45, #f08a1c); color: #1b1203;
  font-weight: 700; font-size: 20px; padding: 6px 14px; margin-bottom: 14px; border: 1px solid #c86d0a;
}
.feedback img { border: 1px solid var(--rule); }

/* In the works */
.works { max-width: var(--max); margin: 0 auto; padding-top: 56px; }
.works h2 { color: var(--navy); }
.works-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.works-grid > div { background: var(--white); border: 1px solid var(--rule); border-top: 5px solid var(--c); padding: 16px 18px 6px; }
.works-grid h3 { font-size: 24px; color: var(--c); }
.works-grid p { font-size: 15px; }

.build, .licence, .fix { max-width: var(--max); margin: 0 auto; padding-top: 50px; }
.build h2, .licence h2, .fix h2 { color: var(--navy); }
.fix li { margin: 0 0 14px; }
.fix li pre { margin: 8px 0 0; }
.fix li pre code { background: none; padding: 0; }
.fix h3 { color: var(--navy); margin-top: 26px; }
.fix details { background: var(--white); border: 1px solid var(--rule); border-left: 5px solid #e07a0c; margin: 10px 0; padding: 0 18px; }
.fix summary { cursor: pointer; padding: 13px 0; font-weight: 700; color: var(--navy); font-size: 20px; list-style: none; display: flex; align-items: center; gap: 14px; }
.fix summary::-webkit-details-marker { display: none; }
/* The fold's handle: an orange button, a plus that turns to a minus when open. */
.fix summary::before {
  content: "+"; flex: none; width: 38px; height: 38px; display: grid; place-items: center;
  background: linear-gradient(#f7a13a, #e07a0c); border: 1px solid #b9620a; color: #1b1203;
  font-size: 30px; font-weight: 800; line-height: 1;
}
.fix details[open] > summary::before { content: "\2212"; }
.fix summary:hover::before { background: linear-gradient(#ffb357, #ee8a1c); }
.fix summary::after { content: "Show"; margin-left: auto; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: #b9620a; }
.fix details[open] > summary::after { content: "Hide"; }
.fix details[open] { padding-bottom: 14px; }
.fix details[open] summary { border-bottom: 1px solid var(--rule); margin-bottom: 14px; }
.os-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 10px 0 12px; }
.os-grid h4 { margin: 0 0 6px; color: var(--navy); }
.os-grid p { margin: 6px 0 0; }
@media (max-width: 900px) { .os-grid { grid-template-columns: minmax(0, 1fr); } }
.fix pre { white-space: pre-wrap; }
.send { background: var(--white); border: 1px solid var(--rule); border-top: 5px solid #e07a0c; margin: 18px 0 10px; padding: 4px 18px 16px; }
.send h3 { margin-top: 14px; }
.send-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 12px 0 16px; }
@media (max-width: 760px) { .send-grid { grid-template-columns: minmax(0, 1fr); } }
.send-card { background: var(--paper); border: 1px solid var(--rule); padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 10px; }
.send-card h4 { margin: 0; color: var(--navy); font-size: 18px; }
.send-card p { margin: 0; }
.send-card label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; font-weight: 600; color: var(--navy); }
.send-card input[type="text"] { font: inherit; font-weight: 400; padding: 8px 10px; border: 1px solid var(--silver-2); background: var(--white); color: var(--text); min-width: 0; }
.send-card input[type="text"]:focus { outline: 2px solid var(--cyan); outline-offset: 0; }
.send-card button.btn { cursor: pointer; margin-top: auto; align-self: flex-start; }

.docs-links { max-width: var(--max); margin: 40px auto 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.docs-links a {
  display: flex; flex-direction: column; padding: 16px 18px; text-decoration: none; color: var(--white);
  background: linear-gradient(#1f4f86, #12305a);
}
.docs-links strong { font: 700 22px "Barlow Condensed", sans-serif; text-transform: uppercase; }
.docs-links span { color: #b9cbe0; font-size: 15px; }
.docs-links a:hover { background: linear-gradient(#2a64a6, #173c70); }

footer {
  margin-top: 60px; padding: 30px 16px;
  background: linear-gradient(#0d2240, #070f1d); border-top: 2px solid var(--orange);
  display: flex; justify-content: center;
}

@media (max-width: 1100px) {
  .dl-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .spread { grid-template-columns: minmax(0, 1fr); }
  .spread-copy { margin-bottom: 18px; }
}
@media (max-width: 760px) {
  h2 { font-size: 32px; }
  .top nav { display: none; }
  .dl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why, .feedback { grid-template-columns: minmax(0, 1fr); }
  .glance-grid, .works-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reel { grid-template-columns: minmax(0, 1fr); }
  .spread-media, .docs-links { grid-template-columns: minmax(0, 1fr); }
  .g { min-height: 0; }
  .g strong { font-size: 24px; }
}