/* ==========================================================================
   Balse — sistema de diseño
   Proyecto educativo de Datapoint (Maitencillo, V Región, Chile)
   ========================================================================== */

:root {
  --bg: #0B0F14;
  --bg-grid: #0E141B;
  --panel: #121820;
  --panel-2: #171F29;
  --border: #223040;
  --border-soft: #1A2430;

  --text: #DCE4EA;
  --text-dim: #7C8B98;
  --text-faint: #4B5A68;

  --accent: #4FD8C4;       /* cian fósforo — señal activa */
  --accent-dim: #2E8577;
  --accent-2: #E8A33D;     /* ámbar — advertencia / dato secundario */
  --danger: #E8615A;

  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius: 3px;
  --max-w: 1080px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background:
    linear-gradient(var(--bg-grid) 1px, transparent 1px) 0 0 / 100% 32px,
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

img { max-width: 100%; display: block; }

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

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 15, 20, 0.88);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}
.brand:hover { text-decoration: none; }
.brand .prompt { color: var(--accent); }
.brand small {
  font-family: var(--sans);
  font-weight: 500;
  color: var(--text-dim);
  font-size: 0.78rem;
}
.brand small strong {
  color: var(--accent);
  font-weight: 600;
}
.brand small sup {
  font-size: 0.6em;
}

.nav {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 0.85rem;
}
.nav a {
  color: var(--text-dim);
  position: relative;
  padding: 4px 0;
}
.nav a:hover, .nav a[aria-current="page"] {
  color: var(--accent);
  text-decoration: none;
}
.nav a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: var(--accent);
}

.nav-toggle { display: none; }

@media (max-width: 640px) {
  .nav { gap: 18px; font-size: 0.78rem; }
  .brand small { display: none; }
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 11px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #06110F;
  font-weight: 600;
}
.btn-primary:hover { background: #6FE4D3; border-color: #6FE4D3; }

.btn-ghost {
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Hero ---------- */

.hero {
  padding: 88px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 880px) {
  .hero { padding: 56px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; }
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(79, 216, 196, 0.6);
  animation: ping-dot 2.2s ease-out infinite;
}
@keyframes ping-dot {
  0% { box-shadow: 0 0 0 0 rgba(79, 216, 196, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(79, 216, 196, 0); }
  100% { box-shadow: 0 0 0 0 rgba(79, 216, 196, 0); }
}

.hero h1 {
  font-family: var(--mono);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}
.hero h1 .cursor {
  display: inline-block;
  width: 0.5em;
  background: var(--accent);
  margin-left: 4px;
  animation: blink 1s steps(1) infinite;
}
.hero h1 .cursor.stop {
  animation: none;
  opacity: 0;
}
@keyframes blink { 50% { opacity: 0; } }

.hero p.lead {
  font-size: 1.08rem;
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 0 32px;
}
.hero p.lead strong {
  color: var(--accent);
  font-weight: 600;
}
.hero p.lead sup {
  font-size: 0.65em;
}

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

/* ---------- Radar (elemento firma) ---------- */

.net-diagram {
  max-width: 400px;
  margin: 0 auto;
}
.net-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Secciones generales ---------- */

section { padding: 64px 0; }
section + section { border-top: 1px solid var(--border-soft); }

.section-head {
  margin-bottom: 40px;
  max-width: 60ch;
}
.section-head .eyebrow { margin-bottom: 10px; }
.section-head .eyebrow::before { animation: none; box-shadow: none; }
.section-head h2 {
  font-family: var(--mono);
  font-size: 1.7rem;
  margin: 0 0 12px;
}
.section-head p {
  color: var(--text-dim);
  margin: 0;
}

/* ---------- Tarjetas ---------- */

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 880px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 24px;
}
.card h3 {
  font-family: var(--mono);
  font-size: 1rem;
  margin: 0 0 10px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}
.card p { color: var(--text-dim); margin: 0; font-size: 0.94rem; }

/* ---------- Changelog / hoja de ruta ---------- */

.roadmap {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.roadmap-row {
  display: grid;
  grid-template-columns: 90px 140px 1fr;
  gap: 18px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.92rem;
}
.roadmap-row:last-child { border-bottom: none; }
.roadmap-row .ver {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
}
.roadmap-row .status {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  align-self: start;
  padding: 3px 8px;
  border-radius: 2px;
  width: fit-content;
}
.status.live { color: var(--accent); border: 1px solid var(--accent-dim); }
.status.build { color: var(--accent-2); border: 1px solid #6b5424; }
.status.plan { color: var(--text-faint); border: 1px solid var(--border); }

@media (max-width: 640px) {
  .roadmap-row { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 40px 0;
  font-size: 0.85rem;
  color: var(--text-faint);
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer .mono { font-family: var(--mono); }
.site-footer .mono strong { color: var(--accent); font-weight: 600; }
.site-footer .mono sup { font-size: 0.65em; }

/* ---------- Docs page ---------- */

.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding: 48px 0 80px;
}
@media (max-width: 780px) {
  .docs-layout { grid-template-columns: 1fr; }
}

.docs-nav {
  position: sticky;
  top: 88px;
  align-self: start;
  font-family: var(--mono);
  font-size: 0.85rem;
}
.docs-nav .group { margin-bottom: 22px; }
.docs-nav .group-label {
  color: var(--text-faint);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.docs-nav a {
  display: block;
  color: var(--text-dim);
  padding: 5px 0;
}
.docs-nav a:hover { color: var(--accent); text-decoration: none; }

.doc-article h2 {
  font-family: var(--mono);
  font-size: 1.4rem;
  margin: 44px 0 14px;
  padding-top: 8px;
}
.doc-article h2:first-child { margin-top: 0; }
.doc-article p { color: var(--text-dim); margin: 0 0 14px; }
.doc-article code {
  font-family: var(--mono);
  background: var(--panel-2);
  border: 1px solid var(--border-soft);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.88em;
  color: var(--accent);
}
.doc-article pre {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text);
}
.doc-article ul { color: var(--text-dim); padding-left: 20px; }
.doc-article li { margin-bottom: 6px; }

.soon-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-2);
  border: 1px solid #6b5424;
  padding: 2px 7px;
  border-radius: 2px;
  margin-left: 8px;
  vertical-align: middle;
}

/* ---------- Comentarios ---------- */

.comments-block {
  margin: 20px 0 48px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}
.comments-title {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  margin: 0 0 14px;
}
.comments-empty {
  color: var(--text-faint);
  font-size: 0.88rem;
  margin: 0 0 14px;
}
.comment {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
}
.comment:last-of-type { border-bottom: none; }
.comment-meta {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 4px;
}
.comment-user {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
}
.comment-date {
  font-family: var(--mono);
  color: var(--text-faint);
  font-size: 0.72rem;
}
.comment-body {
  color: var(--text);
  font-size: 0.92rem;
  margin: 0 0 6px;
}
.comment-action { display: inline; }
.comment-action button {
  background: none; border: none; cursor: pointer;
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--text-faint); padding: 0;
}
.comment-action button:hover { color: var(--danger); }

.comment-form { margin-top: 16px; }
.comment-form textarea {
  width: 100%;
  min-height: 80px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.9rem;
  padding: 11px 14px;
  border-radius: var(--radius);
  margin-bottom: 10px;
  resize: vertical;
}

/* ---------- Foro ---------- */

.forum-wrap {
  max-width: 1240px;
}

/* ---------- Herramientas page ---------- */

.tool-card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  margin-bottom: 28px;
  overflow: hidden;
}
.tool-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-soft);
  flex-wrap: wrap;
  gap: 10px;
}
.tool-head h3 {
  font-family: var(--mono);
  margin: 0;
  font-size: 1.05rem;
}
.tool-head .tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 3px 9px;
  border-radius: 2px;
  text-transform: uppercase;
}
.tool-body { padding: 22px 24px; }
.tool-note {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin: 12px 0 0;
  border-left: 2px solid var(--border);
  padding-left: 12px;
}

.tool-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.tool-form input[type="text"] {
  flex: 1;
  min-width: 220px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.88rem;
  padding: 11px 14px;
  border-radius: var(--radius);
}
.tool-form input[type="text"]:focus { border-color: var(--accent); }

.btn-run {
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 11px 20px;
  background: var(--accent);
  color: #06110F;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}
.btn-run:hover { background: #6FE4D3; }
.btn-run:disabled { opacity: 0.5; cursor: progress; }

.console {
  background: #070A0D;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  min-height: 64px;
  white-space: pre-wrap;
  word-break: break-word;
}
.console .dim { color: var(--text-faint); }
.console .warn { color: var(--accent-2); }
.console .err { color: var(--danger); }

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 560px) { .result-grid { grid-template-columns: 1fr; } }
.result-grid .stat {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.result-grid .stat .k {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.result-grid .stat .v {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--text);
}

/* ---------- Página / util ---------- */

.page-head {
  padding: 56px 0 8px;
}
.page-head .eyebrow::before { animation: none; box-shadow: none; }
.page-head h1 {
  font-family: var(--mono);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 14px;
}
.page-head p {
  color: var(--text-dim);
  max-width: 60ch;
}