/* UI-kit-specific styles. Imports tokens then adds page-level rules
   matching thebonhomme.com production. */

@import url('./colors_and_type.css');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-step) var(--grid-step);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--teal-15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--teal); }

.container { max-width: 1152px; margin: 0 auto; padding: 0 1.5rem; }

/* ───── NAV ───── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(10,14,20,0.85);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--teal-12);
}
.nav-inner {
  max-width: 1152px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between; height: 56px;
}
.nav-brand { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.nav-brand img { width: 26px; height: 26px; }
.nav-brand .word {
  font-family: var(--font-mono); font-weight: 700;
  color: var(--teal); font-size: 14px; letter-spacing: 0.02em;
}
.nav-brand .word .delta { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a, .nav-links button {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--fg-muted); transition: color 0.2s;
}
.nav-links a:hover, .nav-links button:hover, .nav-links a.active { color: var(--teal); }

/* ───── HERO ───── */
.hero {
  position: relative; padding: 5.5rem 1.5rem 4.5rem;
  display: flex; flex-direction: column; justify-content: center;
  overflow: hidden;
}
.hero-content {
  position: relative; z-index: 10; max-width: 1152px; margin: 0 auto;
  width: 100%; text-align: center;
}
.hero-tagline-top {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.30em; text-transform: uppercase; color: var(--terra);
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(3.25rem, 4vw + 2.5rem, 7rem);
  font-weight: 700; line-height: 1.05; letter-spacing: 0;
}
.hero-title .gold {
  background: linear-gradient(135deg, var(--gold), #FDE68A);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  margin-top: 0.5rem; font-size: 1.25rem; color: var(--fg-muted); font-weight: 400;
}
.hero-tagline {
  margin-top: 1rem; font-size: 1.05rem; color: var(--fg-muted);
  max-width: 640px; margin-left: auto; margin-right: auto;
}

/* Equation breathe */
.equation {
  display: inline-block; margin-top: 1.75rem;
  animation: breathe 4s ease-in-out infinite;
}
.equation-text {
  font-family: var(--font-mono); font-size: 2.5rem; font-weight: 700;
  letter-spacing: 0.02em;
}
@keyframes breathe {
  0%,100% { opacity: 0.85; transform: scale(1); text-shadow: 0 0 20px rgba(34,211,238,0.2); }
  50%     { opacity: 1; transform: scale(1.03); text-shadow: 0 0 40px rgba(34,211,238,0.4), 0 0 60px rgba(251,191,36,0.2); }
}

/* Stats */
.hero-stats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 2.5rem;
  margin-top: 2.5rem;
}
.hero-stat { text-align: center; }
.hero-stat-value { font-family: var(--font-mono); font-size: 2.5rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.hero-stat-label { font-family: var(--font-mono); font-size: 10px; color: var(--fg-muted); letter-spacing: 0.15em; margin-top: 4px; }

/* Badges */
.hero-mark { display: flex; justify-content: center; margin: 0.5rem auto 1.5rem; }
.hero-badges {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 1.5rem;
}
.badge {
  font-family: var(--font-mono); font-size: 10px; padding: 4px 12px;
  border-radius: 3px; border: 1px solid var(--teal-20);
  background: var(--teal-06); color: var(--teal); white-space: nowrap;
}
.badge.terra { border-color: rgba(167,139,250,0.46); background: var(--terra-10); color: var(--terra); }
.badge.gold  { border-color: rgba(251,191,36,0.46); background: var(--gold-10); color: var(--gold); }
.badge.ga    { border-color: rgba(58,166,179,0.46); background: rgba(58,166,179,0.10); color: #67E8F9; }

/* CTAs */
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 2rem; }
.btn {
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  padding: 10px 24px; border-radius: 8px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-primary { background: var(--teal); color: #0a0e14; box-shadow: 0 0 18px rgba(34,211,238,0.3); }
.btn-primary:hover { background: #2a9aa8; box-shadow: 0 0 24px rgba(34,211,238,0.5); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--fg); border: 1px solid var(--teal-20); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-1px); }

/* ───── KEYWORD SPECTRUM ───── */
.kw {
  font-weight: 700;
  background-image: linear-gradient(90deg, #A78BFA, #FBBF24, #22D3EE, #A78BFA);
  background-size: 260% 100%;
  background-position: 0% 50%;
  background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 5px rgba(251,191,36,0.32));
  animation: kwflow 8.5s linear infinite, kwglow 6.5s ease-in-out infinite;
}
@keyframes kwflow { from { background-position: 0% 50%; } to { background-position: 260% 50%; } }
@keyframes kwglow {
  0%,100% { filter: drop-shadow(0 0 4px rgba(251,191,36,0.30)); }
  50% { filter: drop-shadow(0 0 9px rgba(251,191,36,0.30)); }
}

/* ───── SECTION ───── */
.section { padding: 5rem 0; }
.section.alt { background: rgba(12,16,22,0.5); }
.section-divider { height: 1px; background: linear-gradient(to right, transparent, rgba(34,211,238,0.2), transparent); }
.section-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.20em;
  text-transform: uppercase; color: var(--terra); margin-bottom: 12px;
}
.section-h2 {
  font-family: var(--font-mono); font-size: 1.75rem; font-weight: 700;
  margin-bottom: 1.5rem;
}
.gradient-tg {
  background: linear-gradient(135deg, #22D3EE, #FBBF24);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.gradient-rg {
  background: linear-gradient(135deg, #A78BFA, #FBBF24);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* Note callout */
.note-callout {
  background: var(--gold-06); border-left: 3px solid var(--gold);
  padding: 14px 18px; border-radius: 0 8px 8px 0;
  font-size: 0.95rem; line-height: 1.7; color: var(--fg);
}
.note-callout strong { color: var(--gold); font-weight: 600; }

/* Feature grid */
.features-grid {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
}
@media (min-width: 768px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }
.feature-card {
  padding: 1.25rem; border-radius: 8px; background: var(--bg-card);
  transition: all 0.25s ease; border: 1px solid;
}
.feature-card.teal-card  { border-color: var(--teal-15); }
.feature-card.terra-card { border-color: var(--terra-12); }
.feature-card.gold-card  { border-color: var(--gold-12); }
.feature-card:hover { transform: translateY(-4px); }
.feature-card.teal-card:hover  { border-color: rgba(34,211,238,0.4); box-shadow: 0 0 20px rgba(34,211,238,0.10); }
.feature-card.terra-card:hover { border-color: var(--terra-35);      box-shadow: 0 0 20px rgba(167,139,250,0.10); }
.feature-card.gold-card:hover  { border-color: rgba(251,191,36,0.35); box-shadow: 0 0 20px rgba(251,191,36,0.10); }
.feature-card h3 { font-family: var(--font-mono); font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.feature-card.teal-card h3  { color: var(--teal); }
.feature-card.terra-card h3 { color: var(--terra); }
.feature-card.gold-card h3  { color: var(--gold); }
.feature-card ul { list-style: none; }
.feature-card li {
  font-size: 12px; color: var(--fg-muted); line-height: 1.6;
  padding: 4px 0; display: flex; gap: 8px;
}
.feature-card li::before { content: '›'; color: rgba(34,211,238,0.45); flex-shrink: 0; }

/* Architecture pipeline */
.arch-pipeline { display: flex; flex-direction: column; gap: 0; margin-bottom: 2rem; }
@media (min-width: 768px) { .arch-pipeline { flex-direction: row; align-items: stretch; } }
.arch-step {
  flex: 1; padding: 1.25rem; position: relative;
  background: var(--bg-card); border: 1px solid var(--teal-08);
}
.arch-step:first-child { border-radius: 8px 8px 0 0; }
.arch-step:last-child  { border-radius: 0 0 8px 8px; }
@media (min-width: 768px) {
  .arch-step:first-child { border-radius: 8px 0 0 8px; }
  .arch-step:last-child  { border-radius: 0 8px 8px 0; }
}
.arch-step-num { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.15em; color: var(--fg-muted); text-transform: uppercase; margin-bottom: 6px; }
.arch-step-title { font-family: var(--font-mono); font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.arch-step-desc { font-size: 11px; color: var(--fg-muted); line-height: 1.5; }
.arch-arrow { position: absolute; color: var(--teal); font-size: 14px; }
.arch-step .arch-arrow { bottom: -12px; left: 50%; transform: translateX(-50%); }
@media (min-width: 768px) {
  .arch-step .arch-arrow { bottom: auto; right: -10px; left: auto; top: 50%; transform: translateY(-50%); }
}
.arch-step:last-child .arch-arrow { display: none; }

/* Install tabs */
.install-tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--teal-15);
  margin-bottom: 1.5rem;
}
.install-tab {
  font-family: var(--font-mono); font-size: 12px;
  padding: 8px 16px; color: var(--fg-muted);
  transition: all 0.2s; border-bottom: 2px solid transparent;
}
.install-tab:hover { color: var(--fg); }
.install-tab.active { color: var(--teal); border-bottom-color: var(--teal); }
.code-box {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--teal-06); border-left: 3px solid var(--teal);
  padding: 16px 20px; border-radius: 0 8px 8px 0;
  line-height: 1.8; overflow-x: auto;
}
.code-box .cmt { color: rgba(138,147,168,0.6); }
.code-box .cmd { color: var(--teal); }
.code-box .kw  { color: var(--terra); }
.code-box .str { color: var(--gold); }

/* Benchmark table */
.bench-table-wrap { overflow-x: auto; }
.bench-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 13px; }
.bench-table th {
  text-align: left; padding: 10px 16px;
  border-bottom: 1px solid var(--teal-20);
  color: var(--fg-muted); font-weight: 600; font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.bench-table th.h { color: var(--gold); }
.bench-table td {
  padding: 12px 16px; border-bottom: 1px solid rgba(34,211,238,0.05); color: var(--fg-muted);
}
.bench-table td:first-child { color: var(--fg); font-size: 12px; }
.bench-table td.h { color: var(--gold); font-weight: 700; text-shadow: 0 0 12px rgba(251,191,36,0.3); }
.bench-table tr:hover { background: var(--teal-06); }

/* Entropy meter (fixed side widget) */
.entropy-meter {
  position: fixed; right: 16px; top: 50%; transform: translateY(-50%);
  z-index: 40; display: none; flex-direction: column; align-items: center; gap: 8px;
}
@media (min-width: 1100px) { .entropy-meter { display: flex; } }
.em-vert {
  font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.15em;
  text-transform: uppercase; writing-mode: vertical-rl; text-orientation: mixed;
  transform: rotate(180deg); white-space: nowrap;
}
.em-bar { width: 8px; height: 160px; border-radius: 9999px;
  background: var(--teal-10); border: 1px solid var(--teal-15);
  overflow: hidden; position: relative; }
.em-fill { position: absolute; left: 0; right: 0; top: 0; border-radius: 9999px;
  transition: height 0.3s ease-out;
  background: linear-gradient(to bottom, #A78BFA, #22D3EE, #FBBF24); }
.em-marker { position: absolute; left: 50%; transform: translateX(-50%);
  width: 12px; height: 2px; border-radius: 9999px;
  transition: top 0.3s ease-out, background 0.3s ease-out, box-shadow 0.3s ease-out; }
.em-v { font-family: var(--font-mono); font-size: 12px; font-weight: 700; text-align: center; }
.em-u { font-family: var(--font-mono); font-size: 7px; color: var(--fg-muted); letter-spacing: 0.1em; text-align: center; }
.em-state { font-family: var(--font-mono); font-size: 7px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 2px 6px; border-radius: 3px; }

/* Footer */
.site-footer {
  background: rgba(10,14,20,0.9); border-top: 1px solid rgba(34,211,238,0.1);
}
.footer-inner { max-width: 1152px; margin: 0 auto; padding: 2rem 1.5rem; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .word { font-family: var(--font-mono); font-weight: 700; color: var(--teal); font-size: 14px; }
.footer-brand .word .delta { color: var(--gold); }
.footer-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.footer-links a { font-family: var(--font-mono); font-size: 12px; color: var(--fg-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--teal); }
.footer-bottom { margin-top: 1.5rem; padding-top: 1rem; text-align: center; border-top: 1px solid rgba(34,211,238,0.08); }
.footer-cite { font-family: var(--font-mono); font-size: 11px; color: var(--fg-muted); line-height: 1.6; }
.footer-eq { font-family: var(--font-mono); font-size: 10px; color: var(--fg-muted); margin-top: 6px; }
.footer-eq .gold { color: var(--gold); }


/* ─── Architecture sub-cards ─── */
.arch-sub-grid {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
  margin-top: 2rem;
}
@media (min-width: 640px) { .arch-sub-grid { grid-template-columns: repeat(2, 1fr); } }
.arch-sub-card {
  padding: 1rem; border-radius: 8px; background: var(--bg-card);
  border: 1px solid var(--teal-08);
}
.arch-sub-card h4 {
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  color: var(--gold); margin-bottom: 6px;
}
.arch-sub-card p { font-size: 11px; color: var(--fg-muted); line-height: 1.5; }

/* ─── Binding section ─── */
.binding-blurb {
  font-size: 0.85rem; color: var(--fg-muted);
  margin-bottom: 1.5rem; max-width: 640px; line-height: 1.6;
}
.binding-canvas-wrap {
  border-radius: 8px; border: 1px solid var(--teal-20);
  background: rgba(10,14,20,0.8); overflow: hidden; position: relative;
}
.binding-controls {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px; margin-top: 1rem;
}
.binding-phase-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.binding-phase-btn {
  font-family: var(--font-mono); font-size: 12px;
  padding: 6px 12px; border-radius: 8px; cursor: pointer;
  background: var(--bg-card); border: 1px solid var(--teal-15);
  color: var(--fg-muted); transition: all 0.2s;
}
.binding-phase-btn:hover { border-color: rgba(34,211,238,0.3); color: var(--fg); }
.binding-phase-btn.active-diff { background: rgba(167,139,250,0.18); color: var(--terra); border-color: rgba(167,139,250,0.55); }
.binding-phase-btn.active-enc { background: rgba(34,211,238,0.12); color: var(--teal); border-color: rgba(34,211,238,0.5); }
.binding-phase-btn.active-bind { background: rgba(251,191,36,0.12); color: var(--gold); border-color: rgba(251,191,36,0.5); }
.binding-desc {
  margin-top: 1rem; padding: 1rem; border-radius: 8px; transition: all 0.5s;
}
.binding-desc .thermo-row {
  display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 0.75rem;
  font-family: var(--font-mono); font-size: 12px;
}

/* ─── Modules grid ─── */
.modules-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem;
}
@media (min-width: 640px) { .modules-grid { grid-template-columns: repeat(3, 1fr); } }
.module-chip {
  padding: 10px 14px; border-radius: 8px; background: var(--bg-card);
  border: 1px solid var(--teal-08); transition: all 0.2s;
}
.module-chip:hover { border-color: var(--teal-20); transform: translateY(-2px); }
.module-chip .module-name {
  font-family: var(--font-mono); font-size: 12px;
  font-weight: 600; color: var(--gold); margin-bottom: 2px;
}
.module-chip .module-desc {
  font-size: 11px; color: var(--fg-muted); line-height: 1.4;
}

/* ─── Repo stats ─── */
.stats-row {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem;
  margin-bottom: 2rem;
}
.stat-item { text-align: center; }
.stat-item .stat-value {
  font-family: var(--font-mono); font-size: 1.75rem;
  font-weight: 700; color: var(--teal);
}
.stat-item .stat-label {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--fg-muted); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px;
}
.lang-bar {
  display: flex; height: 8px; border-radius: 4px; overflow: hidden; margin-bottom: 0.75rem;
}
.lang-bar > div { height: 100%; transition: opacity 0.2s; }
.lang-bar > div:hover { opacity: 0.85; }
.lang-legend {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}
.lang-legend-item {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px; color: var(--fg-muted);
}
.lang-legend-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}


/* ─── CMake options table (Install section) ─── */
.cmake-table {
  width: 100%; border-collapse: collapse; margin-top: 1rem;
  font-family: var(--font-mono); font-size: 12px;
}
.cmake-table th {
  text-align: left; padding: 8px 12px;
  border-bottom: 1px solid var(--teal-15);
  color: var(--teal); font-weight: 600;
}
.cmake-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(34,211,238,0.05);
  color: var(--fg-muted);
}
.cmake-table td:first-child { color: var(--gold); }
.cmake-table td code {
  background: var(--teal-06); padding: 2px 6px; border-radius: 3px;
  font-size: 11px;
}

/* Code-box additional inline color */
.code-box .plain { color: var(--fg-muted); }

/* ─── Teaser / Explore Cards (for /flexaid and /periodic) ─── */
.explore-section {
  padding: 3.5rem 0 4rem;
  background: linear-gradient(180deg, rgba(16,20,28,0.4) 0%, rgba(10,14,20,0.0) 100%);
  border-top: 1px solid var(--teal-08);
  border-bottom: 1px solid var(--teal-08);
}

.teaser-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}
@media (min-width: 720px) {
  .teaser-grid { grid-template-columns: repeat(2, 1fr); }
}

.teaser-card {
  display: block;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--teal-10);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s cubic-bezier(0.2,0,0,1), 
              border-color 0.2s cubic-bezier(0.2,0,0,1),
              box-shadow 0.2s cubic-bezier(0.2,0,0,1);
}

.teaser-card:hover {
  transform: translateY(-2px);
  border-color: var(--teal);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.4);
}

.teaser-card h3 {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--fg);
}

.teaser-card p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
  margin-bottom: 10px;
}

.teaser-card .teaser-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.teaser-card .teaser-label::after {
  content: '→';
  transition: transform 0.2s ease;
}

.teaser-card:hover .teaser-label::after {
  transform: translateX(2px);
}