/* ==========================================================================
   Caps Unlocked — Design System
   Concept: a workbench of small apps, rendered as keycaps on a blueprint.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root {
  /* --- Color tokens --- */
  --blueprint-900: #0e2038;   /* base background: drafting-table navy */
  --blueprint-800: #15304f;   /* raised panels */
  --blueprint-700: #1c3d63;   /* card / keycap face */
  --blueprint-line: rgba(150, 190, 230, 0.14); /* grid lines */
  --paper: #eef1f0;           /* light text on dark */
  --paper-dim: #b7c6d6;       /* secondary text on dark */
  --brass: #e3a84e;           /* the "unlocked" accent — a brass key */
  --brass-bright: #f0bd6d;
  --ink: #10202f;             /* text on brass/paper surfaces */
  --ok-green: #6fbf8b;        /* small "ready" indicator dot */

  /* --- Type --- */
  --font-display: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* --- Layout --- */
  --max-width: 1080px;
  --radius-key: 14px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background:
    linear-gradient(var(--blueprint-line) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, var(--blueprint-line) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--blueprint-900);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: inherit; }

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header --- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  border-bottom: 1px solid var(--blueprint-line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.brand .brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 22px;
  border-radius: 5px;
  background: var(--blueprint-700);
  border: 1px solid var(--blueprint-line);
  color: var(--brass-bright);
  font-size: 0.7rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 22px;
  font-family: var(--font-display);
  font-size: 0.85rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--paper-dim);
  transition: color 0.15s ease;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--brass-bright); }

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--blueprint-line);
  margin-top: 80px;
  padding: 28px 0 40px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--paper-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer a { text-decoration: underline; text-underline-offset: 3px; }

/* --- Eyebrow / labels --- */
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass-bright);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brass-bright);
}

/* --- Hero (index page): the big key --- */
.hero {
  padding: 80px 0 60px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding: 48px 0 40px; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  line-height: 1.12;
  margin: 18px 0 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: normal;
  color: var(--brass-bright);
}

.hero p.lede {
  color: var(--paper-dim);
  font-size: 1.08rem;
  max-width: 46ch;
  margin: 0 0 30px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* --- Buttons --- */
.btn {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--brass);
  color: var(--ink);
  box-shadow: 0 3px 0 0 #b17d2c;
}
.btn-primary:hover { background: var(--brass-bright); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(2px); box-shadow: 0 1px 0 0 #b17d2c; }

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--blueprint-line);
}
.btn-ghost:hover { border-color: var(--brass-bright); color: var(--brass-bright); }

/* --- The big Caps key (hero visual) --- */
.key-hero {
  display: flex;
  justify-content: center;
}

.key-hero .key {
  width: min(280px, 70vw);
  aspect-ratio: 1.15 / 1;
  border-radius: 22px;
  background: linear-gradient(180deg, var(--blueprint-700), var(--blueprint-800));
  border: 1px solid var(--blueprint-line);
  box-shadow: 0 14px 0 0 #0a1826, 0 20px 34px rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(.2,.9,.3,1.3), box-shadow 0.18s ease;
  animation: idle-float 4.5s ease-in-out infinite;
}

@keyframes idle-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.key-hero .key:hover,
.key-hero .key:focus-visible {
  transform: translateY(2px);
  box-shadow: 0 8px 0 0 #0a1826, 0 14px 24px rgba(0,0,0,0.3);
  animation-play-state: paused;
}

.key-hero .key .glyph {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--brass-bright);
  letter-spacing: 0.04em;
}

.key-hero .key .glyph-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--paper-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* --- Section headings --- */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin: 64px 0 24px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0;
}

.section-head p {
  color: var(--paper-dim);
  margin: 0;
  font-size: 0.95rem;
}

/* --- Keycap grid (dashboard) --- */
.keyboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  padding: 26px 0 60px;
}

.keycap {
  background: linear-gradient(180deg, var(--blueprint-700), var(--blueprint-800));
  border: 1px solid var(--blueprint-line);
  border-radius: var(--radius-key);
  padding: 20px;
  text-decoration: none;
  color: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 150px;
  box-shadow: 0 6px 0 0 #0a1826;
  transition: transform 0.12s cubic-bezier(.2,.9,.3,1.3), box-shadow 0.12s ease, border-color 0.15s ease;
  position: relative;
}

.keycap:hover, .keycap:focus-visible {
  transform: translateY(3px);
  box-shadow: 0 3px 0 0 #0a1826;
  border-color: var(--brass);
}

.keycap .slug {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--brass-bright);
  letter-spacing: 0.05em;
}

.keycap .name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0;
}

.keycap .desc {
  font-size: 0.86rem;
  color: var(--paper-dim);
  margin: 0;
  flex: 1;
}

.keycap .status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--paper-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.keycap .status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok-green);
}

/* --- App page layout --- */
.app-hero {
  padding: 56px 0 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}

@media (max-width: 640px) {
  .app-hero { grid-template-columns: 1fr; text-align: left; }
}

.app-hero .key {
  width: 88px;
  height: 88px;
  border-radius: 16px;
  background: linear-gradient(180deg, var(--blueprint-700), var(--blueprint-800));
  border: 1px solid var(--blueprint-line);
  box-shadow: 0 6px 0 0 #0a1826;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--brass-bright);
  flex-shrink: 0;
}

.app-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin: 0 0 8px;
}

.app-hero .tagline {
  color: var(--paper-dim);
  margin: 0;
  font-size: 1.02rem;
}

.app-body {
  padding: 20px 0 40px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

@media (max-width: 760px) {
  .app-body { grid-template-columns: 1fr; }
}

.app-body h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--brass-bright);
  margin: 0 0 12px;
}

.app-body .panel {
  background: var(--blueprint-800);
  border: 1px solid var(--blueprint-line);
  border-radius: var(--radius-sm);
  padding: 22px;
}

.app-body ul.features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.app-body ul.features li {
  padding-left: 20px;
  position: relative;
  font-size: 0.95rem;
  color: var(--paper-dim);
}

.app-body ul.features li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--brass-bright);
}

.aside-block + .aside-block { margin-top: 20px; }

.aside-block .label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--paper-dim);
  margin: 0 0 6px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--paper-dim);
  margin-top: 30px;
}
.back-link:hover { color: var(--brass-bright); }

@media (max-width: 640px) {
  .two-path { grid-template-columns: 1fr !important; }
}

.two-path > a.panel:hover { border-color: var(--brass); }

.todo-flag {
  border: 1px dashed var(--brass);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--brass-bright);
  background: rgba(227, 168, 78, 0.08);
}