/* =========================================================================
   deglyph.dev — static marketing site
   Warm terminal aesthetic. The palette is the deglyph TUI's own "deglyph"
   theme (burnt orange / amber gold / brass on a dark warm brown-black), so the
   site reads like the tool. Single stylesheet, no build step.
     background #15100b · surface #1e1710 · panel #2b2016
     primary #d97a2e · accent #e3b04b · secondary #b38a4f
     foreground #e7d8b8 · success #9aa356 · error #c14a2a
   ========================================================================= */

:root {
  /* Base — dark warm brown-black, lifted in steps for layered surfaces */
  --bg-0: #15100b;
  --bg-1: #1a140d;
  --bg-2: #1e1710;
  --surface-1: #241b12;
  --surface-2: #2b2016;
  --surface-3: #34291c;
  --border: rgba(227, 176, 75, 0.14);
  --border-strong: rgba(227, 176, 75, 0.28);

  /* Text — warm cream down to dim brass */
  --text-primary: #f1e6cc;
  --text-secondary: #d9cbac;
  --text-muted: #9b8a6c;
  --text-faint: #6f6048;

  /* Brand — deglyph burnt-orange / amber-gold */
  --gold: #e3b04b;
  --gold-2: #d97a2e;
  --gold-deep: #b8631f;
  --gold-soft: rgba(227, 176, 75, 0.12);
  --gold-glow: rgba(217, 122, 46, 0.30);

  /* Terminal accents, straight from the TUI render palette */
  --cyan: #6fa39b;   /* teal — symbols */
  --green: #9aa356;  /* olive — entry / success */
  --red: #c14a2a;    /* rust — errors */
  --violet: #c08a6f; /* mauve — sub_* */
  --brass: #b38a4f;

  /* Gradients */
  --gradient-gold: linear-gradient(135deg, #e3b04b 0%, #d97a2e 100%);
  --gradient-hero:
    radial-gradient(ellipse 70% 60% at 78% 0%, rgba(227, 176, 75, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 8% 100%, rgba(217, 122, 46, 0.08) 0%, transparent 55%),
    linear-gradient(180deg, #15100b 0%, #110d08 100%);
  --gradient-card: linear-gradient(160deg, #1e1710 0%, #181209 100%);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.40);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.55);
  --shadow-gold: 0 10px 40px rgba(217, 122, 46, 0.22);

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Manrope", var(--font-sans);
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --maxw: 1140px;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-secondary);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1rem; }

a { color: var(--gold); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--gold-2); }

img, svg { max-width: 100%; }

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

kbd {
  display: inline-block;
  padding: 0.1em 0.45em;
  font-size: 0.85em;
  color: var(--text-primary);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 6px;
  line-height: 1.4;
}

::selection { background: var(--gold-glow); color: #fff; }

/* ----------------------------------------------------------------- layout */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.section-head p { font-size: 1.075rem; color: var(--text-muted); margin: 0; }

/* ----------------------------------------------------------------- buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 22px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gradient-gold);
  color: #1A1206;
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover { color: #1A1206; box-shadow: 0 14px 48px rgba(217, 122, 46, 0.32); }

.btn-ghost {
  background: var(--surface-1);
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-ghost:hover { color: var(--text-primary); background: var(--surface-2); border-color: var(--gold); }

.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn i { font-size: 1rem; line-height: 1; }

/* ----------------------------------------------------------------- header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(21, 16, 11, 0.72);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(21, 16, 11, 0.9);
}
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}
.brand:hover { color: var(--text-primary); }
.brand img { height: 26px; width: auto; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: 8px;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.nav-links a:hover { color: var(--text-primary); }

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.nav-ghost-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.92rem; font-weight: 500; color: var(--text-secondary);
}
.nav-ghost-link:hover { color: var(--text-primary); }
.nav-ghost-link i { font-size: 1.05rem; }

.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  color: var(--text-primary); padding: 6px;
}
.nav-toggle i { font-size: 1.4rem; }

/* ----------------------------------------------------------------- hero */
.hero {
  position: relative;
  padding: 84px 0 72px;
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero::before {
  /* subtle scanline / grid texture */
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(227,176,75,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(227,176,75,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero .container { position: relative; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-copy { max-width: 540px; }

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  margin-bottom: 20px;
}
.hero h1 .grad { background: var(--gradient-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  max-width: 500px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 22px; }

.hero-meta {
  display: flex; flex-wrap: wrap; gap: 18px;
  font-size: 0.85rem; color: var(--text-faint);
  font-family: var(--font-mono);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }

/* ----------------------------------------------------------------- terminal window */
.terminal {
  background: #15100b;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  background: linear-gradient(180deg, #2b2016 0%, #1e1710 100%);
  border-bottom: 1px solid var(--border);
}
.terminal-bar .lights { display: flex; gap: 7px; }
.terminal-bar .lights i {
  width: 12px; height: 12px; border-radius: 50%; display: block;
}
.terminal-bar .lights i:nth-child(1) { background: #FF5F57; }
.terminal-bar .lights i:nth-child(2) { background: #FEBC2E; }
.terminal-bar .lights i:nth-child(3) { background: #28C840; }
.terminal-bar .title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  margin: 0 auto;
  padding-right: 40px;
}
.terminal-body {
  padding: 18px 20px 22px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre-wrap;
  overflow-x: auto;
}
.terminal-body .prompt { color: var(--gold); }
.terminal-body .cmd { color: var(--text-primary); }
.terminal-body .muted { color: var(--text-faint); }
.terminal-body .ok { color: var(--green); }
.terminal-body .warn { color: var(--gold); }
.terminal-body .bad { color: var(--red); }
.terminal-body .cyan { color: var(--cyan); }
.terminal-body .addr { color: var(--violet); }
.terminal-body .cursor {
  display: inline-block;
  width: 9px; height: 1.05em;
  background: var(--gold);
  vertical-align: text-bottom;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* hero screenshot variant */
.hero-shot {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  display: block;
  width: 100%;
}

/* ----------------------------------------------------------------- logos / trust strip */
.trust {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}
.trust-row {
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: center;
  gap: 14px 36px;
}
.trust-label {
  width: 100%; text-align: center;
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-faint); margin-bottom: 6px;
}
.trust-item {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 0.92rem; color: var(--text-secondary);
}
.trust-item i { font-size: 1rem; color: var(--gold); width: 18px; text-align: center; }
.trust-item strong { color: var(--text-primary); font-weight: 600; }

/* ----------------------------------------------------------------- features */
.features { background: var(--bg-0); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  transition: transform 0.18s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: var(--gold-soft);
  border: 1px solid rgba(227, 176, 75, 0.26);
  margin-bottom: 16px;
}
.feature-icon i { font-size: 1.15rem; color: var(--gold); }
.feature-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.94rem; color: var(--text-muted); margin: 0; }
.feature-card kbd { margin-left: 2px; }

/* ----------------------------------------------------------------- showcase / split rows */
.showcase { background: var(--bg-1); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split + .split { margin-top: 96px; }
.split.reverse .split-media { order: -1; }
.split-copy h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 14px; }
.split-copy p { color: var(--text-muted); }
.split-list { list-style: none; margin: 18px 0 0; padding: 0; }
.split-list li {
  position: relative;
  padding: 7px 0 7px 27px; font-size: 0.96rem; color: var(--text-secondary);
}
.split-list i { position: absolute; left: 0; top: 12px; font-size: 0.8rem; color: var(--gold); width: 16px; text-align: center; }

/* ----------------------------------------------------------------- defensive / CI band */
.ci-band { background: var(--bg-0); }
.ci-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  align-items: stretch;
}
.ci-card .ci-copy {
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.ci-card .ci-copy h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.ci-card .ci-copy p { color: var(--text-muted); }
/* Media cell: a darker inset that centers the terminal with even padding. */
.ci-card .ci-media {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background:
    radial-gradient(ellipse 80% 70% at 70% 30%, rgba(227,176,75,0.06) 0%, transparent 60%),
    var(--bg-0);
  border-left: 1px solid var(--border);
}
.ci-card .ci-media img {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: block;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 0.8rem;
  padding: 5px 12px; border-radius: var(--radius-pill);
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-secondary);
}
.pill i { font-size: 0.82rem; width: 14px; text-align: center; }

/* ----------------------------------------------------------------- install */
.install { background: var(--bg-1); border-top: 1px solid var(--border); }
.install-tabs {
  display: flex; gap: 6px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 22px;
}
.install-tab {
  font-family: var(--font-mono); font-size: 0.86rem; font-weight: 500;
  padding: 8px 18px; border-radius: var(--radius-pill);
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer; transition: all 0.15s ease;
}
.install-tab:hover { color: var(--text-primary); border-color: var(--border-strong); }
.install-tab.active { background: var(--gold-soft); border-color: rgba(227,176,75,0.45); color: var(--gold); }

.install-panels { max-width: 760px; margin: 0 auto; }
.install-panel { display: none; }
.install-panel.active { display: block; }

.codeblock {
  position: relative;
  background: #15100b;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.codeblock pre {
  margin: 0;
  padding: 20px 22px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-secondary);
  overflow-x: auto;
}
.codeblock .prompt { color: var(--gold); user-select: none; }
.codeblock .comment { color: var(--text-faint); }
.copy-btn {
  position: absolute; top: 10px; right: 10px;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-sans); font-size: 0.78rem; font-weight: 500;
  padding: 6px 11px; border-radius: 8px;
  background: var(--surface-2); border: 1px solid var(--border-strong);
  color: var(--text-secondary); cursor: pointer; transition: all 0.15s ease;
}
.copy-btn:hover { color: var(--text-primary); border-color: var(--gold); }
.copy-btn i { font-size: 0.82rem; }
.copy-btn.copied { color: var(--green); border-color: var(--green); }

.install-note {
  text-align: center; margin-top: 18px;
  font-size: 0.9rem; color: var(--text-muted);
}
.install-note code { color: var(--gold); background: var(--surface-2); padding: 1px 7px; border-radius: 5px; font-size: 0.85em; }

/* ----------------------------------------------------------------- keys table */
.keys { background: var(--bg-0); }
.keys-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 40px;
  max-width: 860px;
  margin: 0 auto;
}
.key-row {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.key-row .keycaps { flex-shrink: 0; min-width: 92px; display: flex; gap: 5px; }
.key-row .desc { font-size: 0.92rem; color: var(--text-secondary); }

/* ----------------------------------------------------------------- CTA footer band */
.cta-band {
  background:
    radial-gradient(ellipse 60% 100% at 50% 0%, rgba(217,122,46,0.12) 0%, transparent 60%),
    var(--bg-1);
  border-top: 1px solid var(--border);
  text-align: center;
}
.cta-band h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.cta-band p { color: var(--text-muted); max-width: 560px; margin: 0 auto 28px; font-size: 1.075rem; }
.cta-band .hero-cta { justify-content: center; }

/* ----------------------------------------------------------------- footer */
.site-footer {
  background: var(--bg-0);
  border-top: 1px solid var(--border);
  padding: 56px 0 36px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); max-width: 280px; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
  width: 36px; height: 36px; display: grid; place-items: center;
  border-radius: 9px; background: var(--surface-1); border: 1px solid var(--border);
  color: var(--text-muted); transition: all 0.15s ease;
}
.footer-social a:hover { color: var(--gold); border-color: var(--gold); }
.footer-social i { font-size: 1.05rem; }

.footer-col h4 {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { font-size: 0.92rem; color: var(--text-muted); }
.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: space-between; align-items: center;
  padding-top: 26px; border-top: 1px solid var(--border);
  font-size: 0.85rem; color: var(--text-faint);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom .license-pill {
  font-family: var(--font-mono); font-size: 0.78rem;
  padding: 3px 10px; border-radius: var(--radius-pill);
  border: 1px solid var(--border); color: var(--text-muted);
}

/* ----------------------------------------------------------------- reveal anim */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .terminal-body .cursor { animation: none; }
}

/* ----------------------------------------------------------------- responsive */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { max-width: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse .split-media { order: 0; }
  .ci-card { grid-template-columns: 1fr; }
  .ci-card .ci-media { border-left: none; border-top: 1px solid var(--border); padding: 32px 26px; }
  .keys-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  section { padding: 64px 0; }
  .nav-links, .nav-right .nav-ghost-link span { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; gap: 4px;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--bg-1); border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
  }
  .nav.open .nav-links a { padding: 8px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .ci-card .ci-copy { padding: 32px 26px; }
  .hero { padding: 56px 0 48px; }
}