@charset "utf-8";
/* ==========================================================================
   OBSYDIA SpA · Sitio institucional
   Paleta
     Obsidiana  #050608 · #0A0C0F · #0F1216 · #161A20   fondos oscuros
     Ceniza     #FFFFFF · #F1F3F5 · #E4E8EC            fondos claros
     Escarcha   #E8ECEF  texto sobre oscuro · Tinta #0A0C0F texto sobre claro
     Vidrio     #74B8B2  acento sobre oscuro · Petróleo #0E5E66 acento sobre claro
     Brillo     #C9A96E  solo en reflejos decorativos (facetas)
   Tipografías: Bodoni Moda (títulos) · IBM Plex Sans (texto)
   Regla: todo el contenido es visible sin JavaScript; no hay animaciones
   de aparición. El movimiento decorativo respeta prefers-reduced-motion.
   ========================================================================== */

:root {
  --obs-0: #050608;
  --obs-1: #0A0C0F;
  --obs-2: #0F1216;
  --obs-3: #161A20;
  --obs-line: #242A32;
  --obs-line-2: #38414B;
  --frost: #E8ECEF;
  --mist: #A4ADB7;
  --smoke: #7F8994;
  --glass: #74B8B2;
  --sheen: #C9A96E;
  --ash-0: #FFFFFF;
  --ash-1: #F1F3F5;
  --ash-2: #E4E8EC;
  --ash-line: #CBD2D9;
  --ink: #0A0C0F;
  --ink-2: #36404A;
  --ink-3: #56616C;
  --petrol: #0E5E66;

  --f-display: "Bodoni Moda", "Bodoni 72", Didot, "Times New Roman", serif;
  --f-text: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  /* Escala tipográfica fluida (375 px → 1440 px) */
  --step--1: clamp(0.8125rem, 0.791rem + 0.094vw, 0.875rem);
  --step-0: clamp(1rem, 0.978rem + 0.094vw, 1.0625rem);
  --step-1: clamp(1.125rem, 1.059rem + 0.282vw, 1.3125rem);
  --step-2: clamp(1.3125rem, 1.158rem + 0.657vw, 1.75rem);
  --step-3: clamp(1.625rem, 1.317rem + 1.315vw, 2.5rem);
  --step-4: clamp(2.125rem, 1.553rem + 2.441vw, 3.75rem);
  --step-5: clamp(2.625rem, 1.701rem + 3.944vw, 5.25rem);

  --pad-x: clamp(16px, 4.5vw, 64px);
  --sec-y: clamp(72px, 9vw, 152px);
  --header-h: 68px;

  /* Valores por omisión (contexto oscuro) */
  --bg: var(--obs-1);
  --bg-2: var(--obs-3);
  --fg: var(--frost);
  --fg-2: var(--mist);
  --fg-3: var(--smoke);
  --line: var(--obs-line);
  --line-2: var(--obs-line-2);
  --accent: var(--glass);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 12px);
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  margin: 0;
  background: var(--obs-1);
  color: var(--frost);
  font-family: var(--f-text);
  font-size: var(--step-0);
  line-height: 1.62;
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--glass); color: var(--obs-1); }

h1, h2, .display {
  font-family: var(--f-display);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.012em;
  text-wrap: balance;
  font-variant-numeric: lining-nums;
}
h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-1); font-weight: 600; line-height: 1.3; letter-spacing: -0.003em; }
h4 { font-size: 1rem; font-weight: 600; line-height: 1.35; }
p { max-width: 66ch; text-wrap: pretty; }
p + p { margin-top: 1em; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.wrap {
  width: 100%;
  max-width: calc(1280px + 2 * var(--pad-x));
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.kicker {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.lead { font-size: var(--step-2); line-height: 1.45; color: var(--fg); max-width: 32em; }
.muted { color: var(--fg-2); }
.fine { font-size: 0.875rem; line-height: 1.55; color: var(--fg-3); }

/* Iconos propios: trazo recto, uniones en ángulo (sin el redondeo de los sets por defecto) */
.ico {
  display: block;
  flex: none;
  width: 32px; height: 32px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linejoin: miter;
  stroke-linecap: square;
  overflow: visible;
}
.ico .acs { stroke: var(--accent); }
.ico .ac { fill: var(--accent); stroke: none; }
.ico .fc { fill: currentColor; stroke: none; }
.ico-s { width: 16px; height: 16px; stroke-width: 1.6; }

/* ---------- Contextos de color ---------- */
.s-dark {
  --bg: var(--obs-2); --bg-2: var(--obs-3);
  --fg: var(--frost); --fg-2: var(--mist); --fg-3: var(--smoke);
  --line: var(--obs-line); --line-2: var(--obs-line-2);
  --accent: var(--glass);
}
.s-light {
  --bg: var(--ash-1); --bg-2: var(--ash-0);
  --fg: var(--ink); --fg-2: var(--ink-2); --fg-3: var(--ink-3);
  --line: var(--ash-line); --line-2: #A9B3BD;
  --accent: var(--petrol);
}
.s-light ::selection { background: var(--petrol); color: #fff; }

/* ---------- Botones (esquinas en bisel, como una arista tallada) ---------- */
.btn {
  --poly: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  padding: 13px 24px;
  font: 600 0.9375rem/1.2 var(--f-text);
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--btn-fg, var(--fg));
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--btn-bg, transparent);
  clip-path: var(--poly);
  transition: background-color 0.2s ease;
}
.btn-solid { --btn-bg: var(--fg); --btn-fg: var(--bg); }
.btn-solid:hover { color: var(--btn-fg); }
.btn-solid::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  clip-path: var(--poly);
  background: linear-gradient(105deg, transparent 38%, var(--sheen-c, rgba(255, 255, 255, 0.42)) 50%, transparent 62%) no-repeat;
  background-size: 250% 100%;
  background-position: 130% 0;
  transition: background-position 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.btn-solid:hover::after { background-position: -30% 0; }
.btn-line { --btn-fg: var(--fg); border: 1px solid var(--line-2); }
.btn-line::after {
  content: "";
  position: absolute;
  top: -1px; right: -1px;
  width: 11px; height: 11px;
  background: linear-gradient(225deg, var(--accent) 50%, transparent 50%);
}
.btn-line:hover { border-color: var(--fg-2); color: var(--fg); }
.btn .ico-s { transition: transform 0.2s ease; }
.btn:hover .ico-s { transform: translateX(3px); }

/* ---------- Encabezado ---------- */
.skip {
  position: absolute;
  left: 12px; top: -64px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--frost);
  color: var(--obs-1);
  font-weight: 600;
  text-decoration: none;
}
.skip:focus { top: 12px; color: var(--obs-1); }

.site-header {
  --bg: var(--obs-1); --fg: var(--frost); --fg-2: var(--mist); --fg-3: var(--smoke);
  --line: var(--obs-line); --line-2: var(--obs-line-2); --accent: var(--glass);
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(10, 12, 15, 0.96);
  border-bottom: 1px solid #1A1F26;
  color: var(--fg);
}
.bar { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  color: var(--fg);
  text-decoration: none;
}
.brand:hover { color: var(--fg); }
.brand-mark { display: block; width: 28px; height: 28px; flex: none; }
.brand-word { font-weight: 600; font-size: 0.9375rem; letter-spacing: 0.3em; margin-right: -0.3em; }
.nav ul { display: flex; gap: clamp(18px, 2.2vw, 34px); }
.nav a {
  display: block;
  padding: 6px 0;
  font-size: 0.875rem;
  color: var(--fg-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--fg); border-bottom-color: var(--accent); }
.bar-cta { min-height: 40px; padding: 8px 18px; font-size: 0.875rem; }

.menu { display: none; }
.menu summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--line-2);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg);
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}
.menu summary::-webkit-details-marker { display: none; }
.menu-ico { position: relative; display: block; width: 16px; height: 9px; }
.menu-ico::before, .menu-ico::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.2s ease, top 0.2s ease;
}
.menu-ico::before { top: 0; }
.menu-ico::after { top: 7.5px; }
.menu[open] .menu-ico::before { top: 3.75px; transform: rotate(45deg); }
.menu[open] .menu-ico::after { top: 3.75px; transform: rotate(-45deg); }
.menu-panel {
  position: absolute;
  left: 0; right: 0; top: 100%;
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 4px var(--pad-x) 24px;
  background: var(--obs-1);
  border-bottom: 1px solid var(--line-2);
}
.menu-panel a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.0625rem;
  color: var(--fg);
  text-decoration: none;
}
.menu-panel a span { min-width: 2ch; font-family: var(--f-display); font-style: italic; color: var(--accent); }
@media (max-width: 1023px) {
  .nav, .bar-cta { display: none; }
  .menu { display: block; }
}

/* ---------- Portada ---------- */
.hero {
  --bg: var(--obs-1); --fg: var(--frost); --fg-2: var(--mist); --fg-3: var(--smoke);
  --line: rgba(232, 236, 239, 0.14); --line-2: rgba(232, 236, 239, 0.34); --accent: var(--glass);
  --sheen-c: rgba(116, 184, 178, 0.55);
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: max(600px, calc(100vh - var(--header-h)));
  min-height: max(600px, calc(100svh - var(--header-h)));
  overflow: hidden;
  background: var(--obs-1) url("facetas.svg") 70% 30% / cover no-repeat;
  color: var(--fg);
}
.hero-canvas { position: absolute; inset: 0; z-index: -2; display: block; width: 100%; height: 100%; }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(10, 12, 15, 0.94) 0%, rgba(10, 12, 15, 0.84) 44%, rgba(10, 12, 15, 0.24) 78%, rgba(10, 12, 15, 0.05) 100%),
    linear-gradient(0deg, rgba(10, 12, 15, 0.92) 0%, rgba(10, 12, 15, 0) 30%);
}
.hero-body { padding-block: clamp(56px, 11vh, 128px) clamp(40px, 6vh, 72px); }
.eyebrow { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: clamp(24px, 3vw, 36px); }
.eyebrow li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.eyebrow li::before {
  content: "";
  width: 5px; height: 5px;
  flex: none;
  background: var(--accent);
  transform: rotate(45deg);
}
.hero h1 { max-width: 11em; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero .lead { margin-top: clamp(22px, 2.6vw, 32px); max-width: 34em; font-size: var(--step-1); color: var(--fg-2); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: clamp(32px, 4vw, 44px); }

.hero-specs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.hero-specs > div { padding: 20px 24px 28px 0; }
.hero-specs > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.hero-specs dt {
  margin-bottom: 6px;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.hero-specs dd { font-size: 0.9375rem; line-height: 1.4; color: var(--fg); }

@media (max-width: 1023px) {
  .hero-specs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-specs > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .hero-specs > div:nth-child(n + 3) { border-top: 1px solid var(--line); }
}
@media (max-width: 767px) {
  .hero::after {
    background: linear-gradient(180deg, rgba(10, 12, 15, 0.6) 0%, rgba(10, 12, 15, 0.84) 52%, rgba(10, 12, 15, 0.95) 100%);
  }
  .hero-specs > div { padding: 16px 14px 18px 0; }
  .hero-specs > div + div { padding-left: 14px; }
  .hero-specs > div:nth-child(3) { padding-left: 0; }
}
@media (max-width: 479px) {
  .actions .btn { width: 100%; }
}

/* ---------- Secciones ---------- */
.sec { position: relative; padding-block: var(--sec-y); background: var(--bg); color: var(--fg); }
.sec-grid { display: grid; grid-template-columns: minmax(0, 1fr); row-gap: 28px; }
.sec-rail, .sec-main { min-width: 0; }
.sec-index {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.sec-index .n {
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: 0;
  text-transform: none;
  color: var(--accent);
}
.sec-main > h2 { max-width: 19em; margin-bottom: clamp(28px, 4vw, 48px); }
@media (min-width: 1024px) {
  .sec-grid { grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); column-gap: clamp(32px, 4vw, 64px); }
  .sec-rail { position: sticky; top: calc(var(--header-h) + 40px); align-self: start; }
}
.cols-2 { display: grid; gap: 20px 48px; margin-top: 28px; }
.cols-2 p { color: var(--fg-2); }
.cols-2 p + p { margin-top: 0; }
@media (min-width: 768px) { .cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 01 · Qué es OBSYDIA */
.origins { margin-top: clamp(48px, 6vw, 80px); }
.origins .kicker { margin-bottom: 16px; }
.origins ol { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--fg); }
.origins li { padding: 18px 16px 0 0; font-weight: 500; line-height: 1.35; }
.origins li + li { padding-left: 16px; border-left: 1px solid var(--line); }
.origins li span {
  display: block;
  margin-bottom: 10px;
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--accent);
}
@media (max-width: 767px) {
  .origins ol { grid-template-columns: minmax(0, 1fr); }
  .origins li { display: flex; align-items: baseline; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .origins li + li { padding-left: 0; border-left: 0; }
  .origins li span { margin: 0; min-width: 2ch; }
}
.value { margin-top: clamp(56px, 7vw, 96px); padding-left: clamp(20px, 3vw, 40px); border-left: 2px solid var(--accent); }
.value p {
  max-width: 30em;
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 400;
  font-size: var(--step-3);
  line-height: 1.26;
  color: var(--fg);
}
.value footer { margin-top: 18px; }
.mv { display: grid; gap: 32px 48px; margin-top: clamp(48px, 6vw, 80px); padding-top: 32px; border-top: 1px solid var(--line); }
.mv h3 { margin-bottom: 12px; font-family: var(--f-display); font-weight: 500; font-size: var(--step-2); }
.mv p { color: var(--fg-2); }
@media (min-width: 768px) { .mv { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.name-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  color: var(--fg-2);
}
.name-note .brand-mark { width: 30px; height: 30px; margin-top: 2px; }
.name-note strong { color: var(--fg); font-weight: 600; }

/* 02 · Arquitectura */
.arch {
  display: grid;
  gap: 40px;
  min-width: 0;
  margin: clamp(40px, 5vw, 64px) 0 0;
  padding: 0;
  border: 0;
}
@media (min-width: 900px) {
  .arch { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: center; column-gap: clamp(32px, 4vw, 56px); }
}
.arch-modes, .arch-fig { min-width: 0; }
.arch-modes .kicker { margin-bottom: 14px; }
.mode {
  position: relative;
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 4px;
  padding: 18px 16px 18px 18px;
  border-top: 1px solid var(--line);
  cursor: pointer;
  transition: background-color 0.25s ease;
}
.mode:last-of-type { border-bottom: 1px solid var(--line); }
.mode::before {
  content: "";
  position: absolute;
  left: 0; top: -1px; bottom: -1px;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s ease;
}
.mode:hover { background: rgba(232, 236, 239, 0.025); }
.mode-n {
  grid-row: span 2;
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--fg-3);
  transition: color 0.25s ease;
}
.mode-t { font-weight: 600; color: var(--fg); }
.mode-d { font-size: 0.9375rem; line-height: 1.5; color: var(--fg-2); }
#modo-1:checked ~ .arch-modes [for="modo-1"],
#modo-2:checked ~ .arch-modes [for="modo-2"],
#modo-3:checked ~ .arch-modes [for="modo-3"] { background: rgba(116, 184, 178, 0.06); }
#modo-1:checked ~ .arch-modes [for="modo-1"]::before,
#modo-2:checked ~ .arch-modes [for="modo-2"]::before,
#modo-3:checked ~ .arch-modes [for="modo-3"]::before { transform: scaleY(1); }
#modo-1:checked ~ .arch-modes [for="modo-1"] .mode-n,
#modo-2:checked ~ .arch-modes [for="modo-2"] .mode-n,
#modo-3:checked ~ .arch-modes [for="modo-3"] .mode-n { color: var(--accent); }
#modo-1:focus-visible ~ .arch-modes [for="modo-1"],
#modo-2:focus-visible ~ .arch-modes [for="modo-2"],
#modo-3:focus-visible ~ .arch-modes [for="modo-3"] { outline: 2px solid var(--accent); outline-offset: -2px; }
.hint { margin-top: 14px; font-size: 0.8125rem; color: var(--fg-3); }

.dg { display: block; width: 100%; max-width: 500px; height: auto; margin-inline: auto; overflow: visible; }
.dg-plate { fill: var(--bg-2); stroke: var(--line-2); stroke-width: 1; }
.dg-new .dg-plate { fill: none; stroke-dasharray: 4 4; }
.dg-txt { fill: var(--fg); font-family: var(--f-text); font-size: 13px; font-weight: 500; text-anchor: middle; }
.dg-new .dg-txt { fill: var(--fg-3); }
.dg-chip { fill: var(--fg-3); }
.dg-lk line { stroke: var(--fg-2); stroke-width: 1.25; }
.dg-sp line { stroke: var(--accent); stroke-width: 1.25; stroke-dasharray: 3 4; }
.dg-hub-shape { fill: #0E1A1C; stroke: var(--accent); stroke-width: 1.5; }
.dg-hub-txt { fill: var(--accent); font-family: var(--f-text); font-size: 15px; font-weight: 600; letter-spacing: 0.14em; text-anchor: middle; }
.dg-lk, .dg-sp, .dg-hub, .dg-chip, .dg-plate, .dg-lk line, .dg-hub-shape { transition: opacity 0.35s ease, fill 0.35s ease, stroke 0.35s ease; }
#modo-1:checked ~ .arch-fig .dg-lk,
#modo-1:checked ~ .arch-fig .dg-sp,
#modo-1:checked ~ .arch-fig .dg-hub { opacity: 0.1; }
#modo-1:checked ~ .arch-fig .dg-chip { fill: var(--accent); }
#modo-1:checked ~ .arch-fig .dg-plate { stroke: var(--fg-2); }
#modo-2:checked ~ .arch-fig .dg-sp,
#modo-2:checked ~ .arch-fig .dg-hub { opacity: 0.12; }
#modo-2:checked ~ .arch-fig .dg-lk line { stroke: var(--accent); stroke-width: 1.6; }
#modo-3:checked ~ .arch-fig .dg-lk { opacity: 0.42; }
#modo-3:checked ~ .arch-fig .dg-hub-shape { fill: #10282A; }
.dg-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 22px; margin-top: 20px; font-size: 0.8125rem; color: var(--fg-2); }
.dg-legend li { display: inline-flex; align-items: center; gap: 9px; }
.lg-chip { width: 8px; height: 8px; background: var(--fg-3); transform: rotate(45deg); }
.lg-solid { width: 22px; border-top: 1.5px solid var(--fg-2); }
.lg-dash { width: 22px; border-top: 1.5px dashed var(--accent); }

.arch-cols { display: grid; gap: 56px; margin-top: clamp(56px, 7vw, 104px); }
@media (min-width: 900px) { .arch-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(32px, 4vw, 64px); } }
.block > h3 { margin-bottom: 14px; }
.block > p { color: var(--fg-2); }
.block > .callout { color: var(--fg); }
.block > .fine { color: var(--fg-3); }
.block .kicker { margin: 24px 0 0; }
.ticks { margin-top: 12px; border-top: 1px solid var(--line); }
.ticks li {
  position: relative;
  padding: 11px 0 11px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9375rem;
  color: var(--fg-2);
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 2px; top: 1.2em;
  width: 6px; height: 6px;
  background: var(--accent);
  transform: rotate(45deg);
}
.callout {
  margin-top: 22px;
  padding: 18px 20px;
  border: 1px solid var(--line-2);
  border-left: 2px solid var(--accent);
  font-weight: 500;
  color: var(--fg);
}
.block .fine { margin-top: 16px; }

/* 03 · Hospital FLUX 3D */
.fx-figure { margin-top: clamp(36px, 5vw, 56px); padding: clamp(14px, 3vw, 36px); background: var(--ash-0); border: 1px solid var(--line); }
.fx-svg { display: block; width: 100%; height: auto; }
.fx-legend {
  display: grid;
  gap: 12px 32px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--fg-2);
}
@media (min-width: 900px) { .fx-legend { grid-template-columns: auto auto; justify-content: space-between; } }
.fx-legend ul { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.fx-legend li { display: inline-flex; align-items: center; gap: 8px; }
.lg-num { font-family: var(--f-display); font-style: italic; font-size: 1.0625rem; line-height: 1; color: var(--fg); }
.lg-occ, .lg-free, .lg-sel { width: 12px; height: 12px; }
.lg-occ { background: #3B4550; }
.lg-free { background: #fff; border: 1px solid #8A949E; }
.lg-sel { background: var(--accent); }
.lg-flow { width: 24px; border-top: 1.6px dashed var(--accent); }
.fx-cap { margin-top: 12px; font-size: 0.8125rem; color: var(--fg-3); }
@media (max-width: 599px) {
  /* En teléfono el dibujo ocupa todo el ancho de la pantalla para ganar tamaño */
  .fx-figure { margin-inline: calc(-1 * var(--pad-x)); padding: 20px var(--pad-x) 22px; border-left: 0; border-right: 0; }
  .fx-figure .fx-svg { width: calc(100% + 2 * var(--pad-x) - 8px); margin-inline: calc(-1 * var(--pad-x) + 4px); }
}
.fx-cols { display: grid; gap: 48px; margin-top: clamp(40px, 5vw, 64px); }
@media (min-width: 900px) { .fx-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(32px, 4vw, 64px); } }
.with-ico { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.with-ico .ico { width: 36px; height: 36px; }
.fx-cols p { color: var(--fg-2); }
.apps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 4px; border-top: 1px solid var(--fg); }
.apps li {
  position: relative;
  padding: 14px 12px 14px 20px;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
  line-height: 1.35;
}
.apps li::before {
  content: "";
  position: absolute;
  left: 1px; top: 1.32em;
  width: 6px; height: 6px;
  background: var(--accent);
  transform: rotate(45deg);
}
@media (max-width: 419px) { .apps { grid-template-columns: minmax(0, 1fr); } }

/* SVG de Hospital FLUX 3D (dibujo técnico sobre claro) */
.fx-top { fill: #FFFFFF; stroke: var(--ink); stroke-width: 1; stroke-linejoin: round; }
.fx-r { fill: #E3E8EC; stroke: var(--ink); stroke-width: 1; stroke-linejoin: round; }
.fx-l { fill: #CBD3DA; stroke: var(--ink); stroke-width: 1; stroke-linejoin: round; }
.fx-room { fill: #FFFFFF; stroke: #8A949E; stroke-width: 0.8; stroke-linejoin: round; }
.fx-room.o { fill: #3B4550; stroke: #3B4550; }
.fx-room.s { fill: var(--petrol); stroke: var(--petrol); }
.fx-col { stroke: #9AA4AE; stroke-width: 1; stroke-dasharray: 2 3; }
.fx-flow { fill: none; stroke: var(--petrol); stroke-width: 1.6; stroke-dasharray: 6 4; stroke-linejoin: round; }
.fx-arrow, .fx-node { fill: var(--petrol); }
.fx-ret { fill: none; stroke: var(--petrol); stroke-width: 1.3; stroke-linejoin: round; }
.fx-ray { stroke: var(--petrol); stroke-width: 1.2; stroke-dasharray: 2 3; }
.fx-bone { stroke: var(--ink); stroke-width: 1.4; stroke-linecap: round; }
.fx-pt { fill: #FFFFFF; stroke: var(--ink); stroke-width: 1.2; }
.fx-pt.t { fill: var(--ink); }
.fx-pt.p { fill: var(--petrol); stroke: var(--petrol); }
.fx-brk { fill: none; stroke: #8A949E; stroke-width: 1.2; }
.fx-lead { stroke: #8A949E; stroke-width: 1; }
.fx-num { fill: var(--ink); font-family: var(--f-display); font-style: italic; font-size: 22px; text-anchor: middle; }

/* 04 · Portafolio */
.pf {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(36px, 5vw, 56px);
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 640px) { .pf { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .pf { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.pf li {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 236px;
  padding: clamp(22px, 2.4vw, 32px);
  background: var(--bg);
  transition: background-color 0.25s ease;
}
.pf li:hover { background: #12161B; }
.pf .ico { width: 40px; height: 40px; margin-bottom: 14px; color: var(--fg); }
.pf .no {
  position: absolute;
  top: clamp(22px, 2.4vw, 32px);
  right: clamp(22px, 2.4vw, 32px);
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--fg-3);
}
.pf p { font-size: 0.9375rem; color: var(--fg-2); }
.pf-note { margin-top: 20px; }

/* 05 · Interoperabilidad y seguridad */
.sub { margin-top: clamp(56px, 7vw, 96px); }
.sub:first-of-type { margin-top: 0; }
.sub-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.sub-head .ico { color: var(--accent); }
.flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 32px;
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.flow-col { position: relative; padding: 22px 24px 24px; }
.flow-col + .flow-col { border-top: 1px solid var(--line); }
.flow-col + .flow-col::before {
  content: "";
  position: absolute;
  left: 50%; top: -7px;
  width: 12px; height: 12px;
  background: var(--bg-2);
  border-top: 1px solid var(--line-2);
  border-right: 1px solid var(--line-2);
  transform: translateX(-50%) rotate(135deg);
}
.flow-col h4 {
  margin-bottom: 12px;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.flow-col li { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 0.9375rem; line-height: 1.4; }
.flow-col li:last-child { border-bottom: 0; }
.std-list { display: flex; flex-wrap: wrap; gap: 8px; }
.std { padding: 7px 12px; border: 1px solid var(--line-2); font-weight: 600; font-size: 0.875rem; letter-spacing: 0.04em; }
.std-note { margin-top: 12px; font-size: 0.875rem; color: var(--fg-2); }
.flow-core {
  --fg: var(--frost); --fg-2: var(--mist); --fg-3: var(--smoke); --line: var(--obs-line);
  background: var(--obs-1);
  color: var(--fg);
}
.flow-core .core-name { font-family: var(--f-display); font-size: 1.5rem; line-height: 1.15; }
.flow-core p { margin-top: 8px; font-size: 0.9375rem; color: var(--fg-2); }
.flow-core li { border-bottom-color: var(--obs-line); }
.flow-core + .flow-core::before, .flow-col.flow-core::before { background: var(--bg-2); }
@media (min-width: 768px) {
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .flow-col + .flow-col { border-top: 0; border-left: 1px solid var(--line); }
  .flow-col + .flow-col::before { left: -7px; top: 50%; transform: translateY(-50%) rotate(45deg); }
}
.sg {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 768px) { .sg { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.sg li { display: grid; grid-template-columns: 36px minmax(0, 1fr); column-gap: 16px; padding: 24px; background: var(--bg-2); }
.sg .ico { color: var(--accent); }
.sg h4 { margin-bottom: 6px; }
.sg p { font-size: 0.9375rem; color: var(--fg-2); }
.docs { display: grid; gap: 20px 48px; padding-top: 32px; border-top: 1px solid var(--line); }
@media (min-width: 900px) { .docs { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); } }
.docs .sub-head { margin: 0; align-items: flex-start; }
.docs p { color: var(--fg-2); }

/* 06 · Experiencia */
/* Sin overflow aquí: un overflow distinto de visible desplaza la etiqueta lateral (sticky) */
.s-exp { background: var(--obs-1); }
.s-exp::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("facetas.svg") 85% 30% / cover no-repeat;
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, transparent 42%, #000 92%);
  mask-image: linear-gradient(100deg, transparent 0%, transparent 42%, #000 92%);
}
.s-exp .wrap { position: relative; }
.sec-main > .statement {
  max-width: 13em;
  font-size: clamp(1.875rem, 1.3rem + 2.45vw, 3.5rem);
  line-height: 1.12;
}
.statement em { font-style: italic; color: var(--accent); }
.exp-cols { display: grid; gap: 28px 48px; margin-top: clamp(36px, 5vw, 56px); }
@media (min-width: 768px) { .exp-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.exp-cols p { color: var(--fg-2); }
.exp-note { padding-top: 16px; border-top: 1px solid var(--line-2); }
.exp-cols .exp-note { font-size: 0.9375rem; color: var(--fg-2); }

/* 07 · Modelo de trabajo */
.steps { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; margin-top: clamp(28px, 4vw, 44px); }
.steps li { position: relative; display: grid; grid-template-columns: 56px minmax(0, 1fr); column-gap: 16px; padding-bottom: 26px; }
.steps .ico { grid-row: span 2; width: 44px; height: 44px; color: var(--fg); }
.steps h3 { font-size: var(--step-1); }
.steps p { margin-top: 6px; font-size: 0.9375rem; color: var(--fg-2); }
.steps .k { display: block; margin-bottom: 4px; }
@media (max-width: 767px) {
  .steps li:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 21.5px; top: 54px; bottom: 6px;
    border-left: 1px dashed var(--line-2);
  }
}
@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 32px; }
  .steps li { display: block; padding: 0; }
  .steps .ico { margin-bottom: 20px; }
  .steps li:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 64px; right: 8px; top: 22px;
    border-top: 1px dashed var(--line-2);
  }
}
.lines { margin-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--fg); }
.lines li { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.lines h3 { display: flex; align-items: center; gap: 14px; }
.lines .ico { width: 28px; height: 28px; color: var(--accent); }
.lines p { color: var(--fg-2); }
@media (min-width: 768px) {
  .lines li { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); column-gap: 32px; align-items: baseline; }
}
.aud { margin-top: clamp(48px, 6vw, 80px); }
.aud-list { margin-top: 14px; font-family: var(--f-display); font-size: var(--step-2); line-height: 1.55; }
.aud-list li { display: inline; white-space: nowrap; }
.aud-list li:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 0.3em; height: 0.3em;
  margin: 0 0.6em;
  background: var(--accent);
  transform: translateY(-0.18em) rotate(45deg);
}
.aud > p { margin-top: 18px; color: var(--fg-2); }

/* 08 · Fundador */
.founder { display: grid; gap: 40px; }
@media (min-width: 900px) { .founder { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); column-gap: clamp(32px, 4vw, 64px); } }
.founder h2 { font-size: var(--step-4); }
.founder-role { margin-top: 18px; color: var(--accent); }
.founder-body p { color: var(--fg-2); }
.founder-body p:first-child { font-size: var(--step-1); line-height: 1.5; color: var(--fg); }
.creds { margin-top: 32px; border-top: 1px solid var(--line-2); }
.creds div { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.creds dt { padding-top: 0.35em; font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-3); }
.creds dd { font-weight: 500; color: var(--fg); }
@media (max-width: 419px) { .creds div { grid-template-columns: minmax(0, 1fr); gap: 2px; } }

/* 09 · Contacto */
.contact-mail {
  display: inline-flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  max-width: 100%;
  margin-top: 28px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-2);
  font-family: var(--f-display);
  font-size: clamp(1.75rem, 1rem + 3.6vw, 4.25rem);
  line-height: 1.1;
  color: var(--fg);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.contact-mail .ico { width: 0.62em; height: 0.62em; stroke-width: 1.3; color: var(--accent); }
/* La arroba de Bodoni es de trazo muy fino: se compone con la fuente de texto */
.contact-mail .at { font-family: var(--f-text); font-weight: 400; font-size: 0.8em; margin-inline: 0.03em; }
.contact-mail:hover { color: var(--accent); border-bottom-color: var(--accent); }
.contact-meta { display: flex; flex-wrap: wrap; gap: 8px 32px; margin-top: 28px; font-size: 0.9375rem; color: var(--fg-2); }

/* ---------- Pie ---------- */
.site-footer {
  --fg: var(--frost); --fg-2: var(--mist); --fg-3: var(--smoke); --line: #1A1F26; --accent: var(--glass);
  padding-block: 56px 40px;
  background: var(--obs-0);
  color: var(--fg-2);
  font-size: 0.875rem;
}
.foot-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.foot-lema { font-family: var(--f-display); font-style: italic; font-size: 1.25rem; line-height: 1.3; color: var(--fg); }
.foot-legal { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 10px 32px; padding-top: 24px; }
.foot-legal p { max-width: none; }
.foot-legal p + p { margin-top: 0; }
.legal-line { color: var(--fg); }
.foot-legal a { color: inherit; }
.to-top { color: var(--fg-2); text-decoration: none; }
.to-top:hover { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}
@media print {
  .site-header, .hero-canvas, .skip { display: none !important; }
  .hero, .sec, .site-footer { background: #fff !important; color: #000 !important; }
}