/* ==========================================================================
   Nitehawk Legaltech Group — styles.css
   Archetype: Mouse-Reactive Gradient (adaptado a la paleta negro + oro)
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --bg: #0a0b0d;
  --bg-2: #101216;
  --bg-3: #15181d;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --ink: #f3efe6;
  --ink-2: #c9c5bc;
  --mute: #8d8b87;

  --gold: #e2be4e;
  --gold-hi: #f3da82;
  --gold-lo: #c99d2e;
  --gold-grad: linear-gradient(135deg, #f3da82 0%, #e2be4e 55%, #c99d2e 100%);
  --teal: #6fd6c6;
  --teal-lo: #3fa999;
  --dusk: #3a2448;

  --f-display: "Poppins", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-serif: "Instrument Serif", Georgia, serif;

  --r: 18px;
  --r-sm: 12px;
  --pad: clamp(1rem, 4vw, 3rem);
  --max: 1240px;
  --nav-h: 76px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3 { margin: 0; font-family: var(--f-display); font-weight: 500; letter-spacing: -0.02em; line-height: 1.08; }
p { margin: 0; }
em { font-style: normal; }
::selection { background: var(--gold); color: var(--bg); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- Reveal (solo si JS está activo) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: var(--d, 0s);
}
.js .reveal.is-visible { opacity: 1; transform: none; }
/* Defensa: elementos con split nunca quedan invisibles */
.reveal[data-split] { opacity: 1; transform: none; }

/* ---------- Splash ---------- */
.splash {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: var(--bg);
  transition: opacity 0.7s var(--ease-out), visibility 0.7s;
  animation: splashSafety 0.01s 4.5s forwards;
}
.splash.is-out { opacity: 0; visibility: hidden; pointer-events: none; }
@keyframes splashSafety { to { opacity: 0; visibility: hidden; pointer-events: none; } }
.splash-mark { width: 84px; height: auto; overflow: visible; }
.splash-mark path {
  fill-opacity: 0;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: draw 1.1s var(--ease-out) forwards, fillIn 0.5s 0.8s ease forwards;
}
.splash-mark path:nth-child(2) { animation-delay: 0.12s, 0.9s; }
.splash-mark path:nth-child(3) { animation-delay: 0.24s, 1s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fillIn { to { fill-opacity: 1; } }
html:not(.js) .splash { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-family: var(--f-display); font-weight: 500; font-size: 0.92rem;
  letter-spacing: 0.005em;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), background 0.35s, border-color 0.35s, color 0.35s;
  white-space: nowrap;
}
.btn-lg { padding: 1rem 1.6rem; font-size: 1rem; }
.btn .ico { width: 1.15em; height: 1.15em; }
.btn-gold { background: var(--gold-grad); color: #15120a; box-shadow: 0 0 0 0 rgba(226, 190, 78, 0); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 36px -10px rgba(226, 190, 78, 0.55); }
.btn-ghost { border-color: var(--line-2); color: var(--ink); background: rgba(255, 255, 255, 0.02); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-hi); transform: translateY(-2px); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center; gap: 2rem;
  padding-inline: var(--pad);
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(10, 11, 13, 0.92);
  border-bottom-color: var(--line);
}
@supports (backdrop-filter: blur(12px)) {
  .nav.is-scrolled { background: rgba(10, 11, 13, 0.72); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); }
}
.nav-logo img { height: 34px; width: auto; }
.nav-links { display: flex; gap: 2rem; margin-left: auto; font-size: 0.9rem; color: var(--ink-2); }
.nav-links a { position: relative; padding-block: 0.3rem; transition: color 0.3s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: var(--gold); transform: scaleX(0); transform-origin: right; transition: transform 0.45s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 0.6rem 1.1rem; font-size: 0.85rem; }

.nav-burger { display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-2); background: transparent; position: relative; }
.nav-burger span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--ink); transition: transform 0.4s var(--ease-out); }
.nav-burger span:first-child { top: 18px; }
.nav-burger span:last-child { top: 25px; }
.nav-burger[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 40;
  display: flex; flex-direction: column; justify-content: center; gap: 1.4rem;
  padding: calc(var(--nav-h) + 1rem) var(--pad) 2rem;
  background: rgba(10, 11, 13, 0.97);
  opacity: 0; visibility: hidden; transition: opacity 0.4s, visibility 0.4s;
}
.mobile-menu a:not(.btn) { font-family: var(--f-display); font-size: 2rem; font-weight: 500; letter-spacing: -0.02em; }
.mobile-menu .btn { align-self: flex-start; margin-top: 1rem; }
.mobile-menu.is-open { opacity: 1; visibility: visible; }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: block; }
  .nav-logo img { height: 28px; }
}

/* ---------- Eyebrows / kickers ---------- */
.eyebrow, .kicker {
  font-family: var(--f-body); font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold);
}
.kicker { display: inline-flex; align-items: center; gap: 0.8rem; color: var(--ink-2); }
.kicker span {
  font-variant-numeric: tabular-nums; color: var(--gold);
  padding: 0.2rem 0.5rem; border: 1px solid rgba(226, 190, 78, 0.35); border-radius: 6px; letter-spacing: 0.08em;
}

/* ==========================================================================
   HERO — gradiente que sigue al cursor + horizonte de luces
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--nav-h) + 2rem) var(--pad) 2.5rem;
  isolation: isolate;
  overflow: clip;
}
.hero-glow, .contact-glow {
  position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(520px circle at var(--mx, 70%) var(--my, 35%), rgba(226, 190, 78, 0.16), transparent 60%),
    radial-gradient(700px circle at calc(100% - var(--mx, 70%)) calc(var(--my, 35%) + 25%), rgba(111, 214, 198, 0.07), transparent 60%),
    radial-gradient(120% 60% at 50% 115%, rgba(58, 36, 72, 0.55), transparent 70%);
  transition: background-position 0.2s;
}

/* Horizonte: retícula de luces en perspectiva + línea dorada al atardecer */
.hero-horizon {
  position: absolute; left: 0; right: 0; bottom: 0; height: 42%;
  z-index: -1; pointer-events: none;
  perspective: 420px; perspective-origin: 50% 0%;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 30%, #000 100%);
          mask-image: linear-gradient(to bottom, transparent 0%, #000 30%, #000 100%);
}
.hero-horizon::before {
  content: ""; position: absolute; left: -10%; right: -10%; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(243, 218, 130, 0.7) 30%, rgba(243, 218, 130, 0.9) 50%, rgba(243, 218, 130, 0.7) 70%, transparent);
  box-shadow: 0 0 40px 10px rgba(226, 160, 78, 0.18), 0 0 120px 40px rgba(226, 120, 78, 0.08);
}
.hero-grid {
  position: absolute; left: -50%; right: -50%; top: 0; height: 220%;
  transform-origin: 50% 0%;
  transform: rotateX(72deg);
  background-image:
    radial-gradient(circle, rgba(243, 218, 130, 0.85) 0 1.1px, transparent 1.6px),
    radial-gradient(circle, rgba(111, 214, 198, 0.55) 0 0.9px, transparent 1.4px);
  background-size: 34px 34px, 68px 102px;
  background-position: 0 0, 17px 9px;
  animation: gridDrift 28s linear infinite;
  opacity: 0.6;
}
@keyframes gridDrift { to { background-position: 0 340px, 17px 1029px; } }

.hero-inner {
  width: 100%; max-width: var(--max); margin-inline: auto;
  display: grid; grid-template-columns: 1.25fr 0.75fr; align-items: center; gap: 2rem;
}
.hero-copy { display: grid; gap: 1.6rem; }
.hero-title {
  font-size: clamp(2.6rem, 6.6vw, 5.8rem);
  font-weight: 500;
  line-height: 1.0;
  letter-spacing: -0.035em;
  text-wrap: balance;
  max-width: 14ch;
  --d: 0.08s;
}
.hero-title em, .section-title em, .contact-title em {
  font-family: var(--f-serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em;
}
.em-gold { background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: 0.06em; }
.em-teal { color: var(--teal); padding-right: 0.06em; }
.hero-lead { max-width: 52ch; color: var(--ink-2); font-size: clamp(1rem, 1.3vw, 1.15rem); --d: 0.16s; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; --d: 0.24s; }

.hero-mark { justify-self: center; width: min(100%, 420px); --d: 0.2s; }
.hero-mark svg {
  width: 100%; height: auto;
  filter: drop-shadow(0 30px 80px rgba(226, 190, 78, 0.25));
  translate: var(--px, 0) var(--py, 0);
  transition: translate 0.6s var(--ease-out);
}

.hero-divisions {
  width: 100%; max-width: var(--max); margin: clamp(2.5rem, 7vh, 5rem) auto 0;
  display: flex; align-items: stretch; gap: 1rem;
  --d: 0.32s;
}
.division-chip {
  flex: 1 1 0; display: grid; grid-template-columns: auto 1fr; gap: 0.15rem 0.8rem; align-items: center;
  padding: 1rem 1.2rem; border-radius: var(--r-sm);
  border: 1px solid var(--line); background: rgba(16, 18, 22, 0.65);
}
@supports (backdrop-filter: blur(8px)) { .division-chip { background: rgba(16, 18, 22, 0.45); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); } }
.division-chip .dot { width: 8px; height: 8px; border-radius: 2px; }
.division-chip strong { font-family: var(--f-display); font-weight: 500; font-size: 0.95rem; }
.division-chip .chip-list { grid-column: 2; color: var(--mute); font-size: 0.82rem; }
.chip-gold { border-color: rgba(226, 190, 78, 0.28); }
.chip-gold .dot { background: var(--gold); }
.chip-gold strong { color: var(--gold-hi); }
.chip-teal { border-color: rgba(111, 214, 198, 0.25); }
.chip-teal .dot { background: var(--teal); }
.chip-teal strong { color: var(--teal); }
.plus { align-self: center; color: var(--mute); font-size: 1.2rem; }

@media (max-width: 900px) {
  .hero { padding-top: calc(var(--nav-h) + 1.5rem); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-mark { order: -1; width: 120px; justify-self: start; }
  .hero-divisions { flex-direction: column; }
  .plus { display: none; }
  .hero-horizon { height: 30%; }
}

/* ==========================================================================
   Secciones comunes
   ========================================================================== */
.section { position: relative; padding-block: clamp(5rem, 12vw, 9rem); }
.section-head { display: grid; gap: 1.1rem; margin-bottom: clamp(2.5rem, 6vw, 4rem); max-width: 760px; }
.section-head-row { max-width: none; grid-template-columns: 1fr auto; align-items: end; gap: 2rem; }
.section-head-row > div { display: grid; gap: 1.1rem; }
.section-title {
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  text-wrap: balance; max-width: 20ch;
}
.section-title em { color: var(--gold-hi); }
.section-lead { color: var(--ink-2); max-width: 58ch; font-size: 1.05rem; }
.section-head-row > .section-lead { max-width: 44ch; }

@media (max-width: 900px) {
  .section-head-row { grid-template-columns: 1fr; align-items: start; }
}

/* Spotlight: brillo que sigue al cursor dentro de las tarjetas */
.spot { position: relative; isolation: isolate; }
.spot::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  background: radial-gradient(380px circle at var(--sx, 50%) var(--sy, -20%), var(--spot, rgba(226, 190, 78, 0.12)), transparent 65%);
  opacity: 0; transition: opacity 0.4s;
}
.spot:hover::before { opacity: 1; }

/* ---------- 01 Propuesta: dúo ---------- */
.duo { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1.2rem; align-items: stretch; }
.duo-card {
  border-radius: var(--r); border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  padding: clamp(1.6rem, 3.5vw, 2.6rem);
  display: grid; gap: 1.1rem; align-content: start;
  transition: border-color 0.4s, transform 0.5s var(--ease-out);
}
.duo-card:hover { transform: translateY(-4px); }
.duo-legal { --spot: rgba(226, 190, 78, 0.13); }
.duo-legal:hover { border-color: rgba(226, 190, 78, 0.4); }
.duo-tech { --spot: rgba(111, 214, 198, 0.11); }
.duo-tech:hover { border-color: rgba(111, 214, 198, 0.4); }
.duo-top { display: flex; justify-content: space-between; align-items: center; }
.duo-tag { font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; }
.duo-legal .duo-tag { color: var(--gold); }
.duo-tech .duo-tag { color: var(--teal); }
.duo-num { font-family: var(--f-serif); font-style: italic; font-size: 3rem; line-height: 1; color: rgba(255, 255, 255, 0.08); }
.duo-card h3 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.duo-card > p { color: var(--ink-2); }
.duo-list { list-style: none; margin: 0.5rem 0 0; padding: 0; display: grid; }
.duo-list li { padding: 0.8rem 0; border-top: 1px solid var(--line); display: flex; gap: 0.7rem; align-items: baseline; }
.duo-list li::before { content: ""; width: 6px; height: 6px; border-radius: 1px; flex: none; transform: translateY(-2px) rotate(45deg); }
.duo-legal .duo-list li::before { background: var(--gold); }
.duo-tech .duo-list li::before { background: var(--teal); }
.duo-join { display: grid; place-items: center; }
.duo-join span {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--line-2); background: var(--bg); color: var(--ink-2); font-size: 1.4rem;
  box-shadow: 0 0 0 8px var(--bg);
}
@media (max-width: 900px) {
  .duo { grid-template-columns: 1fr; }
  .duo-join { margin-block: -1.9rem; position: relative; z-index: 1; }
}

/* ---------- 02 Escenarios ---------- */
.scenarios { background: linear-gradient(180deg, var(--bg), var(--bg-2) 30%, var(--bg)); }
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 0.95rem; border-radius: 999px;
  border: 1px solid var(--line-2); background: transparent; color: var(--ink-2); font-size: 0.85rem;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.filter span { font-size: 0.75rem; color: var(--mute); font-variant-numeric: tabular-nums; }
.filter i { width: 8px; height: 8px; border-radius: 2px; }
.f-legal i { background: var(--gold); }
.f-tech i { background: var(--teal); }
.filter:hover { border-color: var(--ink-2); color: var(--ink); }
.filter.is-active { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.filter.is-active span { color: rgba(10, 11, 13, 0.55); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card {
  border-radius: var(--r); border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 1.6rem 1.5rem 1.5rem;
  display: flex; flex-direction: column; gap: 0.8rem;
  transition: border-color 0.4s, transform 0.5s var(--ease-out), opacity 0.4s;
}
.card[data-kind="legal"] { --spot: rgba(226, 190, 78, 0.12); --k: var(--gold); }
.card[data-kind="tech"] { --spot: rgba(111, 214, 198, 0.1); --k: var(--teal); background: linear-gradient(180deg, #0f1519, var(--bg-2)); }
.card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--k) 45%, transparent); }
.card-tag { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--k); }
.card h3 { font-size: 1.22rem; line-height: 1.25; letter-spacing: -0.01em; }
.card p { color: var(--ink-2); font-size: 0.95rem; }
.card .card-win {
  margin-top: auto; padding-top: 0.9rem; border-top: 1px dashed var(--line-2);
  color: var(--k); font-weight: 500; font-size: 0.92rem;
  display: flex; gap: 0.5rem; align-items: center;
}
.card .card-win::before {
  content: ""; width: 14px; height: 8px; flex: none;
  border-left: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: translateY(-3px) rotate(-45deg);
}
.card.is-hidden { display: none; }
@media (max-width: 1000px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }

/* ---------- 03 Servicios ---------- */
.svc-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
.svc-col-head {
  display: flex; align-items: center; gap: 0.8rem;
  padding-bottom: 1.2rem; border-bottom: 1px solid var(--line-2);
}
.svc-col-head .dot { width: 10px; height: 10px; border-radius: 2px; }
.svc-legal .dot { background: var(--gold); }
.svc-tech .dot { background: var(--teal); }
.svc-col-head h3 { font-size: 1.05rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 500; }
.svc-count { margin-left: auto; font-family: var(--f-serif); font-style: italic; font-size: 1.6rem; color: var(--mute); }

.svc { border-bottom: 1px solid var(--line); }
.svc summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 1rem;
  padding: 1.35rem 0.25rem;
  transition: color 0.3s, padding 0.4s var(--ease-out);
}
.svc summary::-webkit-details-marker { display: none; }
.svc-idx { font-size: 0.75rem; color: var(--mute); font-variant-numeric: tabular-nums; letter-spacing: 0.08em; }
.svc-name { font-family: var(--f-display); font-size: clamp(1.05rem, 1.6vw, 1.3rem); font-weight: 500; letter-spacing: -0.01em; line-height: 1.25; }
.svc-hint { font-size: 0.75rem; padding: 0.25rem 0.6rem; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-2); white-space: nowrap; }
.svc-plus { width: 22px; height: 22px; position: relative; flex: none; }
.svc-plus::before, .svc-plus::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: currentColor;
  transform: translate(-50%, -50%); transition: transform 0.4s var(--ease-out);
}
.svc-plus::after { transform: translate(-50%, -50%) rotate(90deg); }
.svc[open] .svc-plus::after { transform: translate(-50%, -50%) rotate(0deg); }
.svc summary:hover { padding-left: 0.75rem; }
.svc-legal .svc summary:hover, .svc-legal .svc[open] summary { color: var(--gold-hi); }
.svc-tech .svc summary:hover, .svc-tech .svc[open] summary { color: var(--teal); }
.svc-legal .svc[open] .svc-hint { border-color: rgba(226, 190, 78, 0.45); color: var(--gold-hi); }
.svc-tech .svc[open] .svc-hint { border-color: rgba(111, 214, 198, 0.45); color: var(--teal); }

.svc-body { padding: 0 0.25rem 1.6rem 3.6rem; color: var(--ink-2); display: grid; gap: 0.9rem; font-size: 0.97rem; }
.svc-body ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.55rem; }
.svc-body li { position: relative; padding-left: 1.1rem; }
.svc-body li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 5px; height: 1px; background: var(--mute); }
.svc-body b { color: var(--ink); font-weight: 500; }
.svc[open] .svc-body { animation: svcIn 0.5s var(--ease-out); }
@keyframes svcIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

.dc-chain { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.4rem; }
.dc-chain li { border: 1px solid rgba(226, 190, 78, 0.3); border-radius: 10px; padding: 0.6rem 0.5rem; display: grid; gap: 0.2rem; text-align: center; }
.dc-chain li::before { display: none; }
.dc-chain b { color: var(--gold-hi); font-family: var(--f-display); font-size: 0.95rem; }
.dc-chain span { font-size: 0.7rem; line-height: 1.25; color: var(--mute); }

@media (max-width: 900px) {
  .svc-cols { grid-template-columns: 1fr; gap: 3.5rem; }
}
@media (max-width: 560px) {
  .svc summary { grid-template-columns: auto 1fr auto; gap: 0.75rem; }
  .svc-hint { display: none; }
  .svc-body { padding-left: 0.25rem; }
  .dc-chain { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 04 Explicado ---------- */
.explain { padding-top: 0; }
.explain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.explain-card {
  border-radius: var(--r); border: 1px solid var(--line);
  background: linear-gradient(160deg, #0f1519 0%, var(--bg-2) 60%);
  padding: clamp(1.6rem, 4vw, 2.8rem);
  display: grid; gap: 0.8rem; align-content: start;
  --spot: rgba(111, 214, 198, 0.12);
  overflow: hidden;
}
.explain-acr {
  font-family: var(--f-display); font-weight: 600; letter-spacing: -0.04em;
  font-size: clamp(3.5rem, 8vw, 6rem); line-height: 0.9;
  background: linear-gradient(180deg, var(--teal), rgba(111, 214, 198, 0.15));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.explain-card h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.explain-card p { color: var(--ink-2); max-width: 46ch; }
.explain-note { margin-top: 1.5rem; color: var(--ink-2); max-width: 70ch; }
.explain-note strong { color: var(--ink); font-weight: 500; }
@media (max-width: 760px) { .explain-grid { grid-template-columns: 1fr; } }

/* ---------- 05 Caso real ---------- */
.case { background: radial-gradient(80% 60% at 70% 40%, rgba(226, 190, 78, 0.06), transparent 70%); }
.case-wrap { display: grid; grid-template-columns: 0.42fr 1fr; gap: clamp(1.5rem, 3vw, 2.5rem); align-items: start; }
.case-tabs { display: grid; gap: 0.25rem; position: sticky; top: calc(var(--nav-h) + 1.5rem); }
.case-tab {
  display: grid; grid-template-columns: auto 1fr; gap: 1rem; text-align: left;
  padding: 1.1rem 1rem; border-radius: var(--r-sm);
  border: 1px solid transparent; background: transparent;
  position: relative; overflow: hidden;
  transition: background 0.35s, border-color 0.35s;
}
.case-tab b { display: block; font-family: var(--f-display); font-weight: 500; font-size: 1.02rem; color: var(--ink-2); transition: color 0.3s; }
.case-tab small { display: block; margin-top: 0.25rem; color: var(--mute); font-size: 0.86rem; line-height: 1.45; }
.case-tab-n { font-size: 0.75rem; color: var(--mute); padding-top: 0.25rem; font-variant-numeric: tabular-nums; }
.case-tab:hover b { color: var(--ink); }
.case-tab.is-active { background: var(--bg-2); border-color: var(--line); }
.case-tab.is-active b { color: var(--gold-hi); }
.case-tab.is-active .case-tab-n { color: var(--gold); }
.case-tab::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: var(--gold-grad); transform: scaleX(0); transform-origin: left;
}
.case-tab.is-active.is-timing::after { animation: tabTimer var(--t, 6s) linear forwards; }
@keyframes tabTimer { to { transform: scaleX(1); } }

.browser {
  margin: 0; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line-2); background: #0c0e12;
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(226, 190, 78, 0.05), 0 30px 90px -50px rgba(226, 190, 78, 0.35);
}
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--line); background: #111318; }
.browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a2d33; }
.browser-url { margin-left: 0.8rem; font-size: 0.75rem; color: var(--mute); padding: 0.2rem 0.8rem; border-radius: 6px; background: rgba(255, 255, 255, 0.04); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.browser-screen { position: relative; aspect-ratio: 1280 / 1050; background: #0c0e12; }
.shot {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left;
  opacity: 0; transform: scale(1.02); transition: opacity 0.7s var(--ease-out), transform 1.2s var(--ease-out);
}
.shot.is-active { opacity: 1; transform: none; }
.browser figcaption { padding: 0.6rem 0.9rem; font-size: 0.75rem; color: var(--mute); border-top: 1px solid var(--line); }
@media (max-width: 900px) {
  .case-wrap { grid-template-columns: 1fr; }
  .case-tabs { position: static; grid-template-columns: 1fr 1fr; order: 2; }
  .case-tab small { display: none; }
}

/* ---------- Cifras ---------- */
.facts { padding-block: clamp(3rem, 8vw, 6rem); border-block: 1px solid var(--line); }
.facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.fact { padding: 0.5rem clamp(1rem, 2.5vw, 2rem); border-left: 1px solid var(--line); display: grid; gap: 0.8rem; align-content: start; }
.fact:first-child { border-left: 0; padding-left: 0; }
.fact-num {
  font-family: var(--f-display); font-weight: 500; letter-spacing: -0.04em; line-height: 1;
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums;
}
.fact-num small { font-size: 0.6em; padding-inline: 0.05em; }
.fact-label { color: var(--ink-2); font-size: 0.92rem; max-width: 28ch; }
@media (max-width: 900px) {
  .facts-grid { grid-template-columns: 1fr 1fr; row-gap: 2.5rem; }
  .fact:nth-child(3) { border-left: 0; padding-left: 0; }
}
@media (max-width: 480px) {
  .facts-grid { grid-template-columns: 1fr; }
  .fact { border-left: 0; padding-left: 0; }
}

/* ---------- 06 Contacto ---------- */
.contact { overflow: clip; isolation: isolate; text-align: center; padding-bottom: clamp(8rem, 18vw, 13rem); }
.contact-glow { --mx: 50%; --my: 40%; }
.contact-horizon { height: 38%; }
.contact-inner { display: grid; justify-items: center; gap: 1.5rem; }
.contact-title { font-size: clamp(2.3rem, 6vw, 5rem); line-height: 1.02; letter-spacing: -0.035em; text-wrap: balance; }
.contact-title em { background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: 0.08em; }
.contact-lead { color: var(--ink-2); max-width: 56ch; font-size: 1.05rem; }
.contact-phone {
  margin-top: 0.5rem;
  font-family: var(--f-display); font-weight: 500; letter-spacing: -0.03em;
  font-size: clamp(2rem, 6.5vw, 4.6rem); line-height: 1.1;
}
.contact-phone span {
  background-image: linear-gradient(var(--gold), var(--gold));
  background-size: 0% 2px; background-position: 0 100%; background-repeat: no-repeat;
  padding-bottom: 0.08em;
  transition: background-size 0.6s var(--ease-out), color 0.3s;
}
.contact-phone:hover span { background-size: 100% 2px; color: var(--gold-hi); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: 3rem; background: var(--bg); }
.footer-inner { display: grid; grid-template-columns: auto 1fr; gap: 2rem 3rem; align-items: center; }
.footer-logo { height: 40px; width: auto; }
.footer-links { display: flex; gap: 1.6rem; justify-self: end; font-size: 0.9rem; color: var(--ink-2); flex-wrap: wrap; }
.footer-links a:hover { color: var(--gold-hi); }
.footer-meta { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: var(--mute); font-size: 0.82rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.footer-meta a:hover { color: var(--gold-hi); }
@media (max-width: 760px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-self: start; }
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: clamp(1rem, 2.5vw, 1.75rem); bottom: clamp(1rem, 2.5vw, 1.75rem); z-index: 45;
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--gold-grad); color: #15120a;
  box-shadow: 0 14px 40px -12px rgba(226, 190, 78, 0.6);
  transform: translateY(120px); opacity: 0;
  transition: transform 0.5s var(--ease-out), opacity 0.5s, box-shadow 0.3s;
}
.wa-float svg { width: 26px; height: 26px; }
.wa-float.is-shown, html:not(.js) .wa-float { transform: none; opacity: 1; }
.wa-float:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 18px 50px -10px rgba(226, 190, 78, 0.75); }

/* ---------- Movimiento: solo se apaga lo intrusivo ---------- */
@media (prefers-reduced-motion: reduce) {
  .hero-grid { animation: none; }
}

/* Botones con texto largo en pantallas chicas */
@media (max-width: 520px) {
  .hero-actions .btn { white-space: normal; text-align: center; max-width: 100%; }
  .hero-actions .btn-ghost { line-height: 1.3; }
}