/* ═══════════════════════════════════════════════════════════════
   BERNAUDIO MODEL 80 — Consola clásica de los 80
   Paneles carbón · madera · VU crema · LEDs ámbar · Oswald/Inter/VT323
   © Alicelabs LLC
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Paleta consola 80s */
  --bg: #16130e;
  --bg-2: #1c1812;
  --surface: #242017;
  --surface-2: #2c2619;
  --panel-hi: #332c1f;
  --cream: #e8dfc5;
  --cream-dim: #c9bfa2;
  --wood-1: #58371f;
  --wood-2: #7c4e2a;
  --wood-3: #93602f;
  --amber: #ffa23e;
  --amber-deep: #e8862b;
  --orange: #ff7a33;
  --red: #e14b33;
  --green: #62c97e;

  --text: #efe8d6;
  --text-2: #b3a98f;
  --text-3: #7e7560;

  --border: rgba(232, 223, 197, 0.13);
  --border-strong: rgba(232, 223, 197, 0.26);

  /* Alias de compatibilidad (módulos subs.css) */
  --teal: var(--amber);
  --teal-strong: var(--amber-deep);
  --teal-deep: #c96f1f;
  --teal-soft: rgba(255, 162, 62, 0.12);
  --teal-glow: rgba(255, 162, 62, 0.32);
  --amber-soft: rgba(255, 162, 62, 0.14);

  --font-display: "Oswald", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-led: "VT323", "Share Tech Mono", ui-monospace, monospace;

  --radius: 8px;
  --radius-sm: 6px;
  --container: 1160px;
  --nav-h: 68px;

  --metal-line: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.016) 0 1px,
    transparent 1px 3px
  );
  --shadow-panel:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -2px 0 rgba(0, 0, 0, 0.3),
    0 14px 30px -18px rgba(0, 0, 0, 0.7);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  background:
    radial-gradient(1100px 500px at 85% -5%, rgba(255, 148, 50, 0.05), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--amber); color: #2a1704; }

img, svg, canvas { display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: 820px; }

/* Texto resaltado: ámbar → crema */
.grad {
  background: linear-gradient(92deg, var(--amber) 0%, #ffd9a0 55%, var(--orange) 110%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Content stays readable if JavaScript or observers are unavailable. */
.reveal.is-visible { animation: panelEnter .45s ease both; }
@keyframes panelEnter { from { transform: translateY(10px); } to { transform: none; } }

/* ─── Tornillos decorativos ─── */
.screw {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #6d6353, #35301f 70%);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.25), 0 1px 2px rgba(0, 0, 0, 0.7);
  z-index: 3;
}
.screw::after {
  content: "";
  position: absolute;
  left: 15%; right: 15%; top: 45%;
  height: 1.6px;
  background: rgba(0, 0, 0, 0.75);
  transform: rotate(38deg);
  border-radius: 2px;
}
.screw.tl { top: 9px; left: 9px; }
.screw.tr { top: 9px; right: 9px; }
.screw.bl { bottom: 9px; left: 9px; }
.screw.br { bottom: 9px; right: 9px; }

/* ══════════ Botones tipo switch de consola ══════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 12px 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.985); }
.btn-lg { padding: 15px 30px; font-size: 15.5px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; }

.btn-primary {
  background: linear-gradient(180deg, #ffbe6b 0%, #f28f2c 48%, #d5711a 100%);
  color: #2a1704;
  border-color: #8a4e12;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -2px 0 rgba(0, 0, 0, 0.22),
    0 8px 22px -8px rgba(255, 148, 50, 0.55);
}
.btn-primary:hover { filter: brightness(1.07); box-shadow: 0 12px 26px -8px rgba(255, 148, 50, 0.65), inset 0 1px 0 rgba(255,255,255,.5); }

.btn-ghost {
  background: linear-gradient(180deg, var(--panel-hi), var(--surface));
  border-color: #4a4130;
  color: var(--cream-dim);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), 0 3px 10px rgba(0, 0, 0, 0.45);
}
.btn-ghost:hover { color: var(--cream); border-color: #5d523c; filter: brightness(1.1); }

/* ══════════ Nav — barra de rack ══════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(22, 19, 14, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { flex: none; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}
.brand-name em { font-style: normal; color: var(--amber); }
.brand-sub {
  display: block;
  font-family: var(--font-body);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 3px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-2);
}
.nav-links a:not(.btn) {
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:not(.btn):hover { color: var(--cream); }
.nav-links a.is-current { color: var(--amber); border-bottom-color: var(--amber); }
.nav-cta { margin-left: 6px; }

.nav-burger {
  display: none;
  margin-left: auto;
  width: 42px; height: 42px;
  background: linear-gradient(180deg, var(--panel-hi), var(--surface));
  border: 1px solid #4a4130;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.07);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-burger span {
  display: block;
  width: 18px; height: 2px;
  background: var(--cream-dim);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════ Hero — estudio, SIN barras de fondo ══════════ */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 64px) 0 76px;
  background:
    radial-gradient(1200px 620px at 72% -12%, rgba(255, 148, 50, 0.08), transparent 62%),
    radial-gradient(900px 480px at 6% 112%, rgba(255, 122, 51, 0.05), transparent 60%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--metal-line);
  opacity: 0.5;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  background: rgba(255, 162, 62, 0.08);
  border: 1px solid rgba(255, 162, 62, 0.28);
  border-radius: 999px;
  padding: 7px 15px;
}
.badge-pill .dot,
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 9px rgba(255, 162, 62, 0.9);
  animation: ledPulse 2.4s ease-in-out infinite;
}
@keyframes ledPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 5.2vw, 4.05rem);
  line-height: 1.02;
  text-transform: uppercase;
  letter-spacing: 0.012em;
  margin: 22px 0 20px;
}
.lead {
  color: var(--text-2);
  font-size: 1.09rem;
  line-height: 1.7;
  max-width: 56ch;
}
.lead strong { color: var(--cream); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

.os-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.os-row li {
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cream-dim);
  background: linear-gradient(180deg, var(--panel-hi), var(--surface));
  border: 1px solid #453c2b;
  border-radius: 4px;
  padding: 7px 13px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
}
.hero-note { margin-top: 18px; font-size: 0.92rem; color: var(--text-3); }
.hero-brand-by {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
}
.hero-brand-by b { color: var(--amber); font-weight: 600; }

/* ══════════ Consola central (mockup) ══════════ */
.app-window {
  position: relative;
  background: linear-gradient(180deg, #2f2820 0%, #251f16 100%);
  border: 1px solid #3e362a;
  border-radius: 12px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -3px 0 rgba(0, 0, 0, 0.35),
    0 34px 70px -24px rgba(0, 0, 0, 0.75),
    0 0 0 1px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}
/* Laterales de madera */
.app-window::before,
.app-window::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 13px;
  z-index: 2;
  background:
    repeating-linear-gradient(93deg, rgba(0, 0, 0, 0.18) 0 2px, transparent 2px 5px),
    linear-gradient(180deg, var(--wood-2), var(--wood-1) 55%, var(--wood-2));
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.35), inset -2px 0 3px rgba(0, 0, 0, 0.3);
}
.app-window::before { left: 0; }
.app-window::after { right: 0; background:
    repeating-linear-gradient(87deg, rgba(0, 0, 0, 0.18) 0 2px, transparent 2px 5px),
    linear-gradient(180deg, var(--wood-2), var(--wood-1) 55%, var(--wood-2));
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.35), inset 2px 0 3px rgba(0, 0, 0, 0.3);
}

.app-titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 26px;
  background: linear-gradient(180deg, #1a1610, #221d14);
  border-bottom: 1px solid #3a3325;
}
.tb-dots { display: inline-flex; gap: 6px; }
.tb-dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #5c5244, #2a251a 75%);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2);
}
.tb-title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cream-dim);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.8);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tb-rec {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--red);
}
.rec-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 10px rgba(225, 75, 51, 0.9);
  animation: ledPulse 1.4s ease-in-out infinite;
}

/* VU meters */
.vu-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 14px 26px 10px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.18), transparent);
}
.vu-meter {
  background: #100e09;
  border: 1px solid #3a3325;
  border-radius: 6px;
  padding: 8px 8px 7px;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.75);
}
.vu-meter canvas {
  width: 100%;
  height: 104px;
  border-radius: 4px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6);
}
.vu-label {
  display: block;
  text-align: center;
  margin-top: 7px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--text-3);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.8);
}

/* Toolbar chips */
.app-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 26px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-2);
  background: linear-gradient(180deg, var(--panel-hi), var(--surface));
  border: 1px solid #453c2b;
  border-radius: 4px;
  padding: 6px 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.chip-active {
  color: #2a1704;
  background: linear-gradient(180deg, #ffbe6b, #e8862b);
  border-color: #8a4e12;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 0 14px -2px rgba(255, 148, 50, 0.5);
}
.chip-gen { color: var(--amber); border-color: rgba(255, 162, 62, 0.4); }

/* Tabs de vista */
.app-tabs {
  display: flex;
  gap: 6px;
  margin: 2px 26px 10px;
  padding: 5px;
  background: #14110b;
  border: 1px solid #322b1e;
  border-radius: 6px;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.6);
}
.app-tab {
  flex: 1;
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 8px 10px;
  transition: color 0.15s ease, background 0.15s ease;
}
.app-tab:hover { color: var(--cream-dim); }
.app-tab.is-active {
  color: #2a1704;
  background: linear-gradient(180deg, #ffbe6b, #e8862b);
  border-color: #8a4e12;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 0 12px -2px rgba(255, 148, 50, 0.55);
}

.app-canvas-wrap {
  margin: 0 26px;
  border-radius: 6px;
  overflow: hidden;
  background: #0d0b07;
  border: 1px solid #000;
  box-shadow: inset 0 3px 14px rgba(0, 0, 0, 0.8);
}
.app-canvas-wrap canvas { width: 100%; height: 210px; }

/* Fila de switches */
.switch-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 12px;
  padding: 11px 26px;
  border-top: 1px solid #3a3325;
  background: linear-gradient(180deg, #211c13, #181408);
}
.sw {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-3);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.8);
}
.sw-led {
  width: 9px; height: 9px;
  border-radius: 2px;
  background: #35301f;
  box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.9);
}
.sw-led.on {
  background: var(--amber);
  box-shadow: 0 0 9px rgba(255, 162, 62, 0.85), inset 0 0 2px rgba(255, 255, 255, 0.65);
}
.sw-led.rec { background: var(--red); box-shadow: 0 0 9px rgba(225, 75, 51, 0.8); }
.sw-right { margin-left: auto; color: var(--cream-dim); }

.app-statusbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 9px 26px 11px;
  background: #0b0a06;
  border-top: 1px solid #000;
  font-family: var(--font-led);
  font-size: 18px;
  line-height: 1;
  color: var(--amber);
  text-shadow: 0 0 7px rgba(255, 162, 62, 0.45);
}
.app-statusbar .sb-right { margin-left: auto; color: var(--cream-dim); text-shadow: none; font-size: 16px; }

/* ══════════ Secciones ══════════ */
.section { padding: 88px 0; position: relative; }
.section + .section { border-top: 1px solid rgba(232, 223, 197, 0.06); }

.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.centered { text-align: center; margin-left: auto; margin-right: auto; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--amber);
}
.kicker::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--amber);
  box-shadow: 0 0 8px rgba(255, 162, 62, 0.8);
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 3.8vw, 2.7rem);
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  margin: 14px 0 14px;
}
.section-sub { color: var(--text-2); font-size: 1.04rem; max-width: 62ch; }

/* Tarjeta base de panel */
.why-card, .feat-card {
  background: linear-gradient(180deg, #272118 0%, #221d13 100%);
  border: 1px solid #3a3326;
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
}

/* ── Por qué ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.why-card { padding: 30px 28px; position: relative; }
.why-num {
  font-family: var(--font-led);
  font-size: 2.6rem;
  line-height: 1;
  color: rgba(255, 162, 62, 0.35);
  display: block;
  margin-bottom: 14px;
}
.why-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.28rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.why-card p { color: var(--text-2); font-size: 0.97rem; }
.why-card p strong { color: var(--cream); }

/* ── Características ── */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feat-card { padding: 26px 24px; position: relative; transition: border-color 0.2s ease, transform 0.2s ease; }
.feat-card:hover { border-color: rgba(255, 162, 62, 0.45); transform: translateY(-3px); }
.feat-hot { border-color: rgba(255, 162, 62, 0.34); }
.feat-flag {
  position: absolute;
  top: 14px; right: 14px;
  font-family: var(--font-display);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #2a1704;
  background: linear-gradient(180deg, #ffbe6b, #e8862b);
  border: 1px solid #8a4e12;
  border-radius: 3px;
  padding: 3px 8px;
  box-shadow: 0 0 12px -2px rgba(255, 148, 50, 0.6);
}
.feat-icon {
  display: inline-flex;
  width: 46px; height: 46px;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  background: #17130c;
  border: 1px solid #453c2b;
  border-radius: 6px;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.6);
  margin-bottom: 16px;
}
.feat-icon svg { width: 24px; height: 24px; }
.feat-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.17rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}
.feat-card p { color: var(--text-2); font-size: 0.95rem; }
.feat-card p strong { color: var(--cream); }

/* ── Demo ── */
.demo-section {
  background:
    var(--metal-line),
    linear-gradient(180deg, #181410, #131009);
  border-top: 1px solid #322b1e;
  border-bottom: 1px solid #322b1e;
}
.demo-card {
  background: linear-gradient(180deg, #2c2519 0%, #231e13 100%);
  border: 1px solid #3e362a;
  border-radius: 12px;
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  position: relative;
}
.demo-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 14px 16px 0; }
.demo-tab {
  text-align: left;
  background: linear-gradient(180deg, var(--panel-hi), var(--surface));
  border: 1px solid #453c2b;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.demo-tab strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-dim);
}
.demo-tab span { display: block; margin-top: 3px; font-size: 12px; color: var(--text-3); }
.demo-tab:hover { border-color: rgba(255, 162, 62, 0.4); }
.demo-tab.is-active {
  border-color: #8a4e12;
  background: linear-gradient(180deg, rgba(255, 162, 62, 0.16), rgba(255, 162, 62, 0.05));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 0 16px -6px rgba(255, 148, 50, 0.7);
}
.demo-tab.is-active strong { color: var(--amber); }
.demo-stage { padding: 14px 16px 6px; }
.demo-stage canvas {
  width: 100%;
  height: 380px;
  background: #0d0b07;
  border: 1px solid #000;
  border-radius: 6px;
  box-shadow: inset 0 3px 16px rgba(0, 0, 0, 0.8);
}
.demo-caption {
  padding: 12px 18px 16px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-3);
}

/* ── Comparativa ── */
.table-scroll { overflow-x: auto; border: 1px solid #3a3326; border-radius: var(--radius); box-shadow: var(--shadow-panel); background: #201b12; }
.cmp { width: 100%; border-collapse: collapse; min-width: 860px; font-size: 0.93rem; }
.cmp th, .cmp td { padding: 13px 16px; text-align: center; border-bottom: 1px solid #322b1e; }
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-dim);
  background: linear-gradient(180deg, #2c2619, #251f14);
  white-space: nowrap;
}
.cmp td { color: var(--text-2); }
.cmp-feat { text-align: left !important; color: var(--cream-dim) !important; font-weight: 500; white-space: nowrap; }
.cmp-ba { background: rgba(255, 162, 62, 0.05); }
.cmp-pro { background: rgba(255, 162, 62, 0.1); }
.cmp .cmp-ba strong, .cmp .cmp-pro strong { color: var(--amber); font-family: var(--font-led); font-weight: 400; font-size: 1.15em; }
.ok { color: var(--green); font-weight: 700; }
.no { color: var(--red); opacity: 0.75; }
.table-footnote { margin-top: 16px; font-size: 0.82rem; color: var(--text-3); max-width: 80ch; }

/* ── FAQ ── */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  background: linear-gradient(180deg, #262118, #221d13);
  border: 1px solid #3a3326;
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding: 18px 22px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--cream-dim);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-led);
  font-size: 1.7rem;
  line-height: 1;
  color: var(--amber);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] summary { color: var(--amber); }
.faq-item p { padding: 0 22px 20px; color: var(--text-2); font-size: 0.95rem; }

/* ── CTA final ── */
.cta-final { padding: 40px 0 96px; }
.cta-box {
  position: relative;
  text-align: center;
  padding: 64px 32px 56px;
  background: linear-gradient(180deg, #2c2519, #201b12);
  border: 1px solid #3e362a;
  border-radius: 14px;
  box-shadow: var(--shadow-panel), 0 0 60px -24px rgba(255, 148, 50, 0.35);
  overflow: hidden;
}
.cta-box > * { position: relative; z-index: 1; }
.cta-box canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  z-index: 0;
}
.cta-box h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.cta-box p { color: var(--text-2); max-width: 66ch; margin: 0 auto; }
.cta-center { justify-content: center; }
.cta-meta { margin-top: 18px; font-family: var(--font-display); font-size: 11.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-3); }

/* ══════════ Footer ══════════ */
.footer {
  background: linear-gradient(180deg, #14110b, #0f0d08);
  border-top: 1px solid #322b1e;
  padding: 60px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer-brand p { margin-top: 16px; color: var(--text-3); font-size: 0.92rem; max-width: 34ch; }
.footer-madeby {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 14px; padding: 6px 14px;
  font-family: var(--font-display); font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--cream-dim);
  border: 1px solid #453c2b; border-radius: 99px;
  background: linear-gradient(180deg, var(--panel-hi), var(--surface));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.footer-madeby::before {
  content: ""; width: 7px; height: 7px; border-radius: 99px;
  background: var(--green); box-shadow: 0 0 7px var(--green);
}
.footer-madeby b { color: var(--amber); font-weight: 600; }
.footer-madeby-mid {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 0.78rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3);
}
.footer-madeby-mid b { color: var(--amber); font-weight: 600; }
.footer-madeby-mid::before {
  content: ""; width: 6px; height: 6px; border-radius: 99px;
  background: var(--green); box-shadow: 0 0 6px var(--green);
}
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  color: var(--text-3);
  background: linear-gradient(180deg, var(--panel-hi), var(--surface));
  border: 1px solid #453c2b;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: color 0.15s ease, border-color 0.15s ease;
}
.footer-social a:hover { color: var(--amber); border-color: rgba(255, 162, 62, 0.5); }
.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.footer-col a { display: block; padding: 5px 0; color: var(--text-3); font-size: 0.92rem; transition: color 0.15s ease; }
.footer-col a:hover { color: var(--cream-dim); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px;
  border-top: 1px solid #322b1e;
  font-size: 0.82rem;
  color: var(--text-3);
}
.footer-legal a { color: var(--text-3); }
.footer-legal a:hover { color: var(--cream-dim); }
.footer-owner { color: var(--text-2); }
.footer-owner b { color: var(--amber); font-weight: 600; }

/* ══════════ Responsive ══════════ */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .feat-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin: 0;
    padding: 14px 20px 18px;
    background: rgba(22, 19, 14, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a:not(.btn) { padding: 11px 4px; border-bottom: 1px solid rgba(232, 223, 197, 0.07); }
  .nav-cta { margin: 10px 0 0; }
  .nav-burger { display: inline-flex; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .feat-grid, .why-grid { grid-template-columns: 1fr; }
  .demo-tabs { grid-template-columns: 1fr; }
  .demo-stage canvas { height: 300px; }
  .app-canvas-wrap canvas { height: 170px; }
  .vu-meter canvas { height: 78px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .switch-row { gap: 14px; }
  .brand-sub { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .feat-card { transition: none; }
  .dot, .rec-dot { animation: none; }
}

/* Model 80: clear hierarchy, accessible controls and practical tool descriptions. */
:root { --text-3: #a69b83; --container: 1240px; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid #ffc27a; outline-offset: 5px;
}
button { touch-action: manipulation; }
.is-paused .dot, .is-paused .rec-dot { animation-play-state: paused; }
.skip-link {
  position: fixed; z-index: 200; top: 12px; left: 16px;
  padding: 10px 18px; color: #261707; background: var(--amber);
  border-radius: 4px; transform: translateY(-180%); font-weight: 600;
}
.skip-link:focus { transform: none; }
.nav { background: rgba(22, 19, 14, .96); border-bottom: 1px solid var(--border); }
.nav-links { gap: 23px; font-size: 13px; }
.brand-sub { color: var(--text-2); }
.landing .hero { padding-top: calc(var(--nav-h) + 70px); padding-bottom: 72px; }
.landing .hero-grid { grid-template-columns: 1fr 1.06fr; gap: 64px; }
.landing .hero-copy h1 { font-size: clamp(3rem, 5.3vw, 4.7rem); line-height: 1.06; margin: 24px 0; letter-spacing: -.01em; }
.landing .lead { font-size: 1rem; max-width: 45ch; line-height: 1.8; }
.landing .badge-pill { border-radius: 4px; letter-spacing: .12em; font-size: 10.5px; padding: 7px 10px; }
.landing .hero-cta { gap: 10px; }
.landing .btn-lg { font-size: 13px; padding: 14px 22px; }
.landing .hero-note { color: var(--text-2); font-size: 12px; max-width: 48ch; }
.text-link { color: var(--amber); text-decoration: underline; text-decoration-color: rgba(255, 162, 62, .45); text-underline-offset: 4px; }
.text-link:hover { color: var(--cream); }
.hero-detail { display: inline-block; margin-top: 12px; font-size: 12px; }
.hero-console { min-width: 0; }
.console-label { display: flex; gap: 12px; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.console-label > span:first-child { color: var(--text-2); font-family: var(--font-display); font-size: 10px; text-transform: uppercase; letter-spacing: .15em; }
.simulation-badge { display: inline-flex; align-items: center; width: fit-content; border: 1px solid rgba(255, 162, 62, .4); padding: 3px 9px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--amber); border-radius: 3px; }
.console-caption { font-size: 11px; color: var(--text-2); margin-top: 14px; text-align: center; }
.landing .app-window { border-color: #58432e; border-radius: 8px; }
.landing .app-titlebar { padding-top: 14px; padding-bottom: 14px; }
.landing .tb-title { font-size: 10px; letter-spacing: .14em; }
.landing .tb-rec { color: var(--amber); font-size: 10px; }
.landing .vu-meter canvas { height: 90px; }
.landing .vu-label { font-size: 9px; letter-spacing: .12em; color: var(--text-2); }
.landing .chip { font-size: 9px; padding: 4px 8px; letter-spacing: .08em; }
.landing .app-tab { font-size: 10px; padding: 10px 4px; letter-spacing: .05em; }
.landing .app-canvas-wrap canvas { height: 186px; }
.landing .app-statusbar { font-size: 15px; padding-top: 15px; padding-bottom: 15px; gap: 14px; }
.landing .app-statusbar .sb-right { font-size: 13px; }
.signal-strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: #19160f; }
.signal-strip-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.signal-strip p { position: relative; padding: 26px 20px 26px 46px; border-right: 1px solid var(--border); }
.signal-strip p:last-child { border-right: 0; }
.strip-index { position: absolute; left: 0; top: 27px; color: var(--amber); font: 20px var(--font-led); }
.signal-strip strong, .signal-strip p > span:last-child, .signal-strip a { display: block; }
.signal-strip strong { color: var(--cream); font-size: 12px; font-weight: 500; }
.signal-strip p > span:last-child, .signal-strip a { color: var(--text-2); font-size: 11px; margin-top: 4px; }
.signal-strip a:hover { color: var(--amber); }
.signal-strip p + p { padding-left: 62px; }
.signal-strip p + p .strip-index { left: 20px; }
.landing .section { padding: 96px 0; }
.landing .section-head { margin-bottom: 40px; }
.landing .section-head h2, .subarray-copy h2, .requirements-grid h2 { font-size: clamp(2rem, 3.6vw, 3rem); line-height: 1.15; margin: 16px 0; font-family: var(--font-display); text-transform: uppercase; font-weight: 600; }
.section-head-split { display: grid; grid-template-columns: 1.1fr .9fr; align-items: end; max-width: none; gap: 80px; }
.landing .section-sub { font-size: .92rem; line-height: 1.85; }
.landing .kicker { font-size: 10px; letter-spacing: .2em; }
.landing .kicker::before { width: 5px; height: 5px; box-shadow: none; }
.landing .feat-grid { gap: 16px; }
.landing .feat-card { padding: 25px 25px 23px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025); background: linear-gradient(145deg, #242017, #1c1912); display: flex; flex-direction: column; }
.landing .feat-card:hover { transform: none; }
.module-number { font-family: var(--font-led); color: var(--text-2); font-size: 14px; letter-spacing: .08em; margin-bottom: 24px; }
.landing .feat-icon { width: 39px; height: 39px; border: 0; background: none; box-shadow: none; margin-bottom: 15px; justify-content: flex-start; }
.landing .feat-icon svg { width: 30px; height: 30px; }
.landing .feat-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.landing .feat-card p { font-size: 12px; line-height: 1.85; flex: 1; }
.module-type { font-size: 10px; color: var(--amber); display: block; margin-top: 24px; padding-top: 14px; border-top: 1px solid var(--border); }
.subarray-section { background: #1d1911; }
.subarray-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; }
.subarray-visual { position: relative; min-width: 0; padding: 48px 0 30px; background: radial-gradient(ellipse at center, #292316, #15130e); border: 1px solid var(--border-strong); border-radius: 8px; overflow: hidden; }
.subarray-visual svg { width: 100%; height: auto; }
.visual-label, .visual-caption { position: absolute; left: 22px; color: var(--amber); font-family: var(--font-led); font-size: 14px; letter-spacing: .08em; }
.visual-label { top: 18px; }
.visual-caption { bottom: 16px; color: var(--text-2); font-size: 12px; }
.subarray-copy p { color: var(--text-2); font-size: .88rem; line-height: 1.85; margin-bottom: 14px; }
.subarray-copy .btn { margin-top: 14px; font-size: 12px; }
.workflow-grid { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: workflow; }
.workflow-step { border-top: 1px solid var(--border-strong); padding-top: 22px; }
.step-num { font: 32px var(--font-led); color: var(--amber); }
.workflow-step h3 { font-family: var(--font-display); font-size: 1.18rem; text-transform: uppercase; margin: 15px 0 10px; font-weight: 500; }
.workflow-step p { font-size: 12px; color: var(--text-2); line-height: 1.9; }
.demo-section .simulation-badge { margin-bottom: 15px; }
.landing .demo-tabs { gap: 0; padding: 0; border-bottom: 1px solid var(--border); }
.landing .demo-tab { border-radius: 0; padding: 20px 25px; box-shadow: none; background: #211c14; border: none; border-right: 1px solid var(--border); border-bottom: 2px solid transparent; }
.landing .demo-tab:last-child { border-right: 0; }
.landing .demo-tab.is-active { border-bottom-color: var(--amber); background: #2a2318; }
.landing .demo-tab strong { font-size: 12px; letter-spacing: .1em; }
.landing .demo-tab span { font-size: 10px; color: var(--text-2); }
.landing .demo-card { border-radius: 8px; }
.landing .demo-stage { padding: 18px 20px 0; }
.landing .demo-stage canvas { height: 330px; }
.landing .demo-caption { font-size: 12px; color: var(--text-2); padding: 14px 0 20px; text-align: left; }
.demo-controls { display: flex; gap: 16px; align-items: center; justify-content: space-between; padding: 14px 20px; border-top: 1px solid var(--border); }
.demo-controls > span { font-size: 10px; color: var(--text-2); }
.demo-controls .btn { font-size: 10px; letter-spacing: .08em; padding: 8px 12px; }
.requirements-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.requirements-grid > div:first-child .section-sub { max-width: 43ch; }
.requirements-list article { padding: 22px 0; border-bottom: 1px solid var(--border); }
.requirements-list article:first-child { padding-top: 0; }
.requirements-list h3 { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.requirements-list p { font-size: 12px; color: var(--text-2); line-height: 1.85; }
.landing .faq-section { padding-top: 0; border-top: 0; }
.landing .faq-list { gap: 0; border-top: 1px solid var(--border-strong); }
.landing .faq-item { background: none; box-shadow: none; border: 0; border-bottom: 1px solid var(--border-strong); border-radius: 0; }
.landing .faq-item summary { padding: 21px 0; font: 500 13px var(--font-body); color: var(--cream); }
.landing .faq-item p { padding: 0 32px 24px 0; font-size: 12px; line-height: 1.9; }
.landing .cta-final { padding: 0 0 90px; }
.landing .cta-box { padding: 56px 28px; border-radius: 8px; background: radial-gradient(ellipse at 50% 110%, #3e2a16, transparent 75%), #211c14; }
.landing .cta-box h2 { font-size: clamp(2.2rem, 4vw, 3.2rem); line-height: 1.15; margin: 20px 0 18px; }
.landing .cta-box p { font-size: 13px; max-width: 57ch; }
.landing .cta-box .cta-meta { margin-top: 22px; font-size: 10px; color: var(--text-2); letter-spacing: .14em; }
.footer { padding-top: 48px; }
.footer-grid { gap: 40px; grid-template-columns: 1.5fr 1fr 1fr .85fr; }
.footer-brand p { font-size: 12px; color: var(--text-2); line-height: 1.85; }
.footer-col h4 { font-size: 10px; margin-bottom: 16px; }
.footer-col a { color: var(--text-2); font-size: 11px; padding: 5px 0; }
.footer-bottom { font-size: 10px; color: var(--text-2); }
.doc-sec a:not(.btn) { color: var(--amber); text-decoration: underline; text-underline-offset: 3px; }
.doc-sec ul { list-style: disc; }
.doc-sec { overflow-wrap: anywhere; }
.doc-toc ol { column-count: 1; }

@media (max-width: 1100px) {
  .landing .hero-grid { gap: 36px; }
  .landing .hero-copy h1 { font-size: 3.6rem; }
  .landing .hero-cta .btn { padding-left: 15px; padding-right: 15px; }
  .section-head-split, .subarray-grid { gap: 48px; }
  .requirements-grid { gap: 60px; }
}
@media (max-width: 980px) {
  .nav-burger { display: none; }
  .nav-links { display: flex; }
  html.js .nav-burger { display: inline-flex; }
  html.js .nav-links { display: none; max-height: calc(100dvh - var(--nav-h)); overflow-y: auto; }
  html.js .nav-links.is-open { display: flex; }
  html:not(.js) .nav { position: relative; height: auto; }
  html:not(.js) .nav-inner { height: auto; flex-wrap: wrap; padding-top: 16px; }
  html:not(.js) .nav-links { position: static; width: 100%; flex-direction: row; flex-wrap: wrap; padding: 10px 0; border: 0; }
  .landing .hero-grid { grid-template-columns: 1fr 1fr; }
  .landing .hero-copy h1 { font-size: clamp(2.8rem, 5.5vw, 3.6rem); }
  .landing .lead { font-size: .9rem; }
  .landing .hero-cta { flex-direction: column; align-items: flex-start; }
  .landing .hero-cta.cta-center { flex-direction: row; justify-content: center; }
  .landing .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .landing .app-titlebar, .landing .vu-row, .landing .app-toolbar, .landing .app-statusbar { padding-left: 20px; padding-right: 20px; }
  .landing .app-tabs, .landing .app-canvas-wrap { margin-left: 20px; margin-right: 20px; }
  .landing .app-tab { font-size: 9px; letter-spacing: 0; }
  .landing .vu-meter canvas { height: 68px; }
  .landing .app-statusbar .sb-right { display: none; }
  .section-head-split { gap: 36px; }
  .requirements-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .landing .hero { padding: 110px 0 48px; }
  .landing .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .landing .hero-copy h1 { font-size: clamp(3.2rem, 12vw, 4.6rem); }
  .landing .lead { font-size: .95rem; max-width: 48ch; }
  .landing .hero-cta { flex-direction: row; }
  .landing .hero-cta .btn { font-size: 12px; padding: 13px 16px; }
  .landing .hero-note { max-width: 45ch; }
  .landing .app-canvas-wrap canvas { height: 175px; }
  .landing .vu-meter canvas { height: 83px; }
  .landing .app-tab { font-size: 10px; }
  .landing .app-statusbar .sb-right { display: block; }
  .signal-strip-grid { grid-template-columns: 1fr; }
  .signal-strip p, .signal-strip p + p { padding: 17px 0 17px 40px; border-right: 0; border-bottom: 1px solid var(--border); }
  .signal-strip p:last-child { border-bottom: 0; }
  .strip-index, .signal-strip p + p .strip-index { left: 0; top: 19px; }
  .landing .section { padding: 60px 0; }
  .section-head-split, .subarray-grid, .requirements-grid { grid-template-columns: 1fr; gap: 24px; }
  .landing .section-head h2, .subarray-copy h2, .requirements-grid h2 { font-size: 2.2rem; }
  .landing .section-head-split .section-sub { max-width: 54ch; }
  .landing .feat-grid { grid-template-columns: 1fr; gap: 12px; }
  .module-number { margin-bottom: 16px; }
  .landing .feat-icon { position: absolute; right: 22px; top: 22px; }
  .landing .feat-card h3 { margin-top: 8px; }
  .module-type { margin-top: 18px; }
  .subarray-visual { order: 2; }
  .workflow-grid { grid-template-columns: 1fr; gap: 28px; }
  .workflow-step { padding-left: 50px; position: relative; }
  .workflow-step .step-num { position: absolute; top: 20px; left: 0; }
  .workflow-step h3 { margin-top: 0; }
  .landing .demo-tabs { grid-template-columns: repeat(3, 1fr); }
  .landing .demo-tab { padding: 15px 10px; }
  .landing .demo-tab strong { font-size: 9px; letter-spacing: .02em; }
  .landing .demo-tab span { display: none; }
  .landing .demo-stage { padding: 12px 12px 0; }
  .landing .demo-stage canvas { height: 250px; }
  .landing .demo-caption { font-size: 11px; }
  .demo-controls { padding: 12px; gap: 10px; align-items: flex-start; }
  .demo-controls > span { max-width: 20ch; }
  .requirements-list article { padding: 18px 0; }
  .landing .faq-section { padding-top: 0; }
  .landing .cta-final { padding-bottom: 60px; }
  .landing .cta-box { padding: 40px 20px; }
  .landing .cta-box .hero-cta { flex-direction: column; align-items: stretch; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand .brand-sub { display: block; }
  .footer-bottom { justify-content: flex-start; text-align: left; }
  .doc-stamp { font-size: 14px; }
  .doc-meta { grid-template-columns: 1fr; }
  .doc-meta > div { border-right: 0; border-bottom: 1px solid var(--border); }
  .doc-meta > div:last-child { border-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}