/* nerd-fonts-installer microsite
   Palette mirrors the TUI's neon/synthwave ramp so the site and the tool feel
   like one product. */

:root {
  color-scheme: dark;

  --pink: #ff5faf;
  --magenta: #c75cff;
  --violet: #8a7cff;
  --blue: #5ba8ff;
  --cyan: #46e5e0;
  --mint: #5bf0b8;
  --amber: #ffc857;

  --bg: #0b0b12;
  --bg-soft: #10101a;
  --panel: #15142280;
  --panel-solid: #151422;
  --border: #262439;
  --border-soft: #1e1c30;
  --text: #ededf7;
  --muted: #a2a2be;
  --faint: #6e6c8c;

  --ramp: linear-gradient(100deg, #ff5faf, #c75cff, #5ba8ff, #46e5e0);
  --ramp-soft: linear-gradient(100deg, #ff5faf33, #c75cff33, #5ba8ff33, #46e5e033);

  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --shadow: 0 24px 60px -24px #00000099;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;

  --bg: #fbfaff;
  --bg-soft: #f4f2fd;
  --panel: #ffffffcc;
  --panel-solid: #ffffff;
  --border: #e2def2;
  --border-soft: #ece9f7;
  --text: #17162a;
  --muted: #55527a;
  --faint: #8b88ab;
  --shadow: 0 24px 60px -30px #2b246b40;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;

    --bg: #fbfaff;
    --bg-soft: #f4f2fd;
    --panel: #ffffffcc;
    --panel-solid: #ffffff;
    --border: #e2def2;
    --border-soft: #ece9f7;
    --text: #17162a;
    --muted: #55527a;
    --faint: #8b88ab;
    --shadow: 0 24px 60px -30px #2b246b40;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0; }

p { margin: 0; }

code, kbd, pre { font-family: var(--mono); }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

.gradient-text {
  background: var(--ramp);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- aurora backdrop ---------- */

.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.aurora span {
  position: absolute;
  width: 60vw;
  height: 60vw;
  min-width: 420px;
  min-height: 420px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.24;
  animation: drift 26s ease-in-out infinite alternate;
}

.aurora span:nth-child(1) { background: var(--magenta); top: -22vw; left: -12vw; }
.aurora span:nth-child(2) { background: var(--blue); top: -10vw; right: -18vw; animation-delay: -8s; }
.aurora span:nth-child(3) { background: var(--cyan); top: 46vw; left: 30vw; opacity: 0.13; animation-delay: -16s; }

:root[data-theme="light"] .aurora span { opacity: 0.18; }

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(4vw, 6vw, 0) scale(1.12); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aurora span { animation: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 66px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand img { width: 30px; height: 30px; }

.site-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 14.5px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-nav a:hover { color: var(--text); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.icon-btn:hover { color: var(--text); border-color: var(--violet); }
.icon-btn svg { width: 17px; height: 17px; }

.theme-toggle .moon { display: none; }
:root[data-theme="light"] .theme-toggle .moon { display: block; }
:root[data-theme="light"] .theme-toggle .sun { display: none; }

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-toggle .moon { display: block; }
  :root:not([data-theme="dark"]) .theme-toggle .sun { display: none; }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { transform: translateY(-2px); border-color: var(--violet); }
.btn svg { width: 17px; height: 17px; }

.btn-primary {
  border: 0;
  color: #0d0b18;
  background: var(--ramp);
  box-shadow: 0 12px 30px -12px var(--magenta);
}

.btn-primary:hover { box-shadow: 0 16px 38px -12px var(--magenta); }

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

.hero { padding: 76px 0 24px; text-align: center; }

.hero-logo {
  width: 96px;
  height: 96px;
  filter: drop-shadow(0 16px 34px #7c3aed55);
}

.hero h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.1rem);
  font-weight: 800;
  margin: 22px 0 0;
}

.hero .tagline {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--muted);
  max-width: 660px;
  margin: 18px auto 0;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 26px;
}

.badges img { height: 22px; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  font-size: 13px;
  color: var(--muted);
}

.pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px var(--mint);
}

/* ---------- copy box ---------- */

.copy-box {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 700px;
  margin: 30px auto 0;
  padding: 12px 12px 12px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel-solid);
  box-shadow: var(--shadow);
}

.copy-box code {
  flex: 1;
  text-align: left;
  font-size: 12.8px;
  color: var(--text);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.copy-box code::-webkit-scrollbar { display: none; }
.copy-box .prompt { color: var(--pink); user-select: none; }

.copy-btn {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.copy-btn:hover { color: var(--cyan); border-color: var(--cyan); }
.copy-btn svg { width: 15px; height: 15px; }
.copy-btn .check { display: none; }
.copy-btn.copied .check { display: block; color: var(--mint); }
.copy-btn.copied .clip { display: none; }

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

section { padding: 78px 0; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }

.eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); font-weight: 800; }
.section-head p { color: var(--muted); margin-top: 14px; }

/* ---------- showcase ---------- */

.showcase { padding-top: 20px; }

.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 22px;
}

.tab {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.tab:hover { color: var(--text); }

.tab[aria-selected="true"] {
  color: #0d0b18;
  background: var(--ramp);
  border-color: transparent;
}

/* Each capture already draws its own terminal window, chrome and all, so the
   wrapper adds nothing but centring. */
.shot {
  display: flex;
  justify-content: center;
}

/* Never scale a capture past its natural size. These are terminal windows: blown
   up, the type turns cartoonish and the fixed-size window chrome collides with
   itself. Narrower captures simply sit centred. */
.shot img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 22px 44px #00000080);
}

.shot-caption {
  text-align: center;
  color: var(--muted);
  font-size: 14.5px;
  margin-top: 16px;
}

.shot-caption code {
  color: var(--cyan);
  background: color-mix(in srgb, var(--cyan) 12%, transparent);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 13px;
}

[hidden] { display: none !important; }

/* ---------- cards ---------- */

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
}

.card {
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--violet) 60%, var(--border)); }

.card .ico {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  margin-bottom: 16px;
  background: var(--ramp-soft);
  border: 1px solid var(--border);
}

.card .ico svg { width: 19px; height: 19px; }
.card h3 { font-size: 1.06rem; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.6px; }

/* ---------- steps ---------- */

.steps { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }

.step {
  position: relative;
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}

.step .num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  margin-bottom: 15px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: #0d0b18;
  background: var(--ramp);
}

.step h3 { font-size: 1.04rem; margin-bottom: 9px; }
.step p { color: var(--muted); font-size: 14.5px; margin-bottom: 14px; }
.step pre.code { font-size: 12.4px; }

/* ---------- code blocks ---------- */

pre.code {
  margin: 0;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-soft);
  font-size: 13.4px;
  line-height: 1.72;
  /* Wrap rather than scroll: a long release URL inside a narrow card would
     otherwise be silently clipped, and on a phone every block would. */
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

pre.code .c { color: var(--faint); }
pre.code .k { color: var(--magenta); }
pre.code .s { color: var(--mint); }
pre.code .f { color: var(--cyan); }
pre.code .p { color: var(--pink); }

/* ---------- table ---------- */

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}

table { width: 100%; border-collapse: collapse; font-size: 14.6px; min-width: 560px; }

th, td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--border-soft); }

th {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 700;
}

tbody tr:last-child td { border-bottom: 0; }

td code { color: var(--cyan); font-size: 13.2px; }
td .req { color: var(--pink); font-weight: 600; }

/* ---------- install options ---------- */

/* Full-width rows with the blurb beside the commands. Shell one-liners and
   release URLs need the horizontal room; a three-column grid wraps them into
   soup. */
.install-grid { display: grid; gap: 18px; }

.install-card {
  display: grid;
  grid-template-columns: minmax(220px, 300px) 1fr;
  gap: 14px 28px;
  align-items: start;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}

.install-card h3 { grid-column: 1; font-size: 1.02rem; display: flex; align-items: center; gap: 9px; }
.install-card h3 svg { width: 17px; height: 17px; }
.install-card p { grid-column: 1; grid-row: 2; color: var(--muted); font-size: 14.2px; }
.install-card pre.code { grid-column: 2; grid-row: 1 / span 2; font-size: 12.8px; }

@media (max-width: 720px) {
  .install-card { grid-template-columns: 1fr; }
  .install-card h3,
  .install-card p,
  .install-card pre.code { grid-column: 1; grid-row: auto; }
}

/* ---------- faq ---------- */

.faq { max-width: 760px; margin-inline: auto; display: grid; gap: 10px; }

details {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel);
  overflow: hidden;
}

summary {
  padding: 17px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15.2px;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 18px;
  flex: none;
}

details[open] summary::after { content: "\2212"; }

details .body { padding: 0 20px 18px; color: var(--muted); font-size: 14.6px; }
details .body code { color: var(--cyan); font-size: 13.2px; }
details .body a { color: var(--blue); }

/* ---------- cta ---------- */

.cta {
  text-align: center;
  padding: 56px 28px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: var(--panel);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: var(--ramp);
  opacity: 0.09;
  pointer-events: none;
}

.cta > * { position: relative; }
.cta h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 800; }
.cta p { color: var(--muted); margin: 14px auto 26px; max-width: 520px; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 34px 0;
  color: var(--faint);
  font-size: 14px;
}

.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }

/* ---------- reveal ---------- */

/* Content is visible by default and only hidden once the observer is known to be
   running, so a JS failure can never leave the page blank. */
:root.js-reveal .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

:root.js-reveal .reveal.in { opacity: 1; transform: none; }

@media (max-width: 760px) {
  .site-nav { display: none; }
  .hero { padding-top: 52px; }
  section { padding: 58px 0; }
}