/* ============================================================
   WaltSuare Group — Editorial Premium Design System
   Marca madre: sobria, estratégica, elegante.
   Contiene dos energías: Editore (cálida) × AgencIA (dark tech)
   ============================================================ */

:root {
  /* Papel y tinta (paleta oficial WaltSuare Group) */
  --paper: #f6f3ee;
  --paper-2: #eae3d7;
  --card: #fbf9f4;
  --ink: #1f252c;
  --ink-2: #3c4650;
  --muted: #56606b;
  --faint: #8f98a3;
  --line: #d6cec2;
  --line-soft: rgba(214, 206, 194, .55);

  /* Institucional */
  --teal: #0e5a6f;
  --gold: #b68c4a;
  --gold-strong: #96733a;

  /* WS Editore (cálido editorial) */
  --amber: #a55a3b;
  --amber-strong: #8a4a30;
  --amber-soft: #f8f1e7;
  --amber-panel: #f5ecdd;
  --amber-sec: #c79a52;
  --ink-ed: #3e3128;

  /* WS AgencIA (dark tech) */
  --navy: #07131d;
  --navy-2: #0b1e2b;
  --turq: #19d3c5;
  --green: #34d89e;
  --blue: #1596e8;
  --grad-ia: linear-gradient(100deg, #34d89e, #19d3c5 45%, #1596e8);

  /* Tipografía */
  --serif: "Fraunces", Georgia, serif;
  --sans: "Manrope", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --radius: 16px;
  --section-pad: clamp(4.5rem, 9vw, 7.5rem);
  --container: 1200px;
  --ease: cubic-bezier(.22,.61,.21,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: rgba(185,125,11,.25); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Tipografía ---------- */
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 560;
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.h-display { font-size: clamp(2.6rem, 5.8vw, 4.6rem); }
.h-section { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
.lead { color: var(--ink-2); font-size: clamp(1.05rem, 1.6vw, 1.22rem); max-width: 52ch; }
.muted { color: var(--muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--teal);
}
.eyebrow::after {
  content: "";
  width: 34px; height: 1px;
  background: currentColor;
  opacity: .55;
  transform-origin: left;
  animation: line-in 1s var(--ease) .4s both;
}
@keyframes line-in { from { transform: scaleX(0); } }
.serif-i { font-family: var(--serif); font-style: italic; font-weight: 480; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .95rem 1.8rem;
  border-radius: 8px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: .98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s, color .25s;
  min-height: 50px;
  white-space: nowrap;
}
.btn-ink {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 10px 28px -12px rgba(13,19,26,.5);
}
.btn-ink:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(13,19,26,.55); }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-amber {
  background: var(--amber);
  color: #fff7ea;
}
.btn-amber:hover { transform: translateY(-2px); box-shadow: 0 14px 32px -12px rgba(165,90,59,.55); }
.btn-ia {
  background: var(--grad-ia);
  color: #04252c;
  box-shadow: 0 10px 30px -10px rgba(43,208,195,.5);
}
.btn-ia:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(43,208,195,.6); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s, backdrop-filter .3s;
}
.site-header.is-scrolled {
  background: rgba(248,246,241,.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 80px;
}
.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.brand img { height: 44px; width: auto; }
.brand-name {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.05;
}
.brand-name small {
  display: block;
  font-family: var(--mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .2rem;
}
.main-nav { display: flex; align-items: center; gap: 2rem; }
.main-nav a {
  font-size: .93rem;
  font-weight: 500;
  color: var(--ink-2);
  position: relative;
  transition: color .2s;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1.5px;
  background: var(--ink);
  transition: width .28s var(--ease);
}
.main-nav a:hover::after { width: 100%; }
.nav-toggle {
  display: none;
  background: rgba(13,19,26,.05);
  border: 1px solid var(--line);
  border-radius: 10px;
  width: 46px; height: 46px;
  cursor: pointer;
  color: var(--ink);
  align-items: center;
  justify-content: center;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(80px + clamp(2.5rem, 6vw, 4.5rem)) 0 clamp(3.5rem, 7vw, 6rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -200px; right: -160px;
  width: 620px; height: 620px;
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  pointer-events: none;
  animation: drift 26s ease-in-out infinite alternate;
}
.hero::after {
  content: "";
  position: absolute;
  top: -120px; right: -80px;
  width: 460px; height: 460px;
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  pointer-events: none;
  animation: drift 34s ease-in-out infinite alternate-reverse;
}
@keyframes drift {
  from { transform: translate(0, 0); }
  to { transform: translate(-28px, 22px); }
}

/* Entrada del hero: fade + desplazamiento vertical, escalonado */
@keyframes hero-in {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}
.hero .eyebrow { animation: hero-in .9s var(--ease) .05s both; }
.hero-title { animation: hero-in 1s var(--ease) .18s both; }
.hero .lead { animation: hero-in 1s var(--ease) .34s both; }
.hero-actions { animation: hero-in 1s var(--ease) .5s both; }
.hero-visual { animation: hero-in 1.1s var(--ease) .4s both; }
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
.hero-title { margin: 1.4rem 0 1.5rem; }
.hero-title em {
  font-style: italic;
  color: var(--gold);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.2rem; }
.hero-note {
  margin-top: 2.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--muted);
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
}
.hero-note span { display: flex; align-items: center; gap: .5rem; }
.hero-note i {
  width: 6px; height: 6px;
  border-radius: 50%;
  font-style: normal;
}
.hero-note .dot-ed { background: var(--amber); }
.hero-note .dot-ia { background: var(--turq); }

/* Composición visual del hero: placa editorial con dos mundos */
.hero-visual { position: relative; }
.hero-plate {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: clamp(1.6rem, 3vw, 2.6rem);
  box-shadow: 0 40px 90px -50px rgba(13,19,26,.35);
}
.hero-plate .plate-tag {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--faint);
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.4rem;
}
.plate-mark {
  display: grid;
  place-items: center;
  padding: .6rem 0 1.2rem;
}
.plate-mark img { height: clamp(110px, 13vw, 136px); width: auto; }
.plate-divisions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-soft);
  padding-top: 1.3rem;
  gap: 1rem;
}
.plate-div {
  border-radius: 10px;
  padding: 1.1rem 1.15rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
}
.plate-div strong { display: block; font-family: var(--sans); font-size: .98rem; letter-spacing: 0; margin-bottom: .3rem; }
.plate-div.ed { background: var(--amber-soft); color: var(--amber-strong); }
.plate-div.ia { background: var(--navy); color: var(--turq); }

/* ---------- Franja editorial de palabras ---------- */
.word-strip {
  border-block: 1px solid var(--line);
  background: var(--paper-2);
  overflow: hidden;
  padding: 1.5rem 0;
}
.word-track {
  display: flex;
  gap: 3.2rem;
  width: max-content;
  animation: marquee 42s linear infinite;
}
.word-strip:hover .word-track { animation-play-state: paused; }
.word-track span {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 480;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: var(--ink-2);
  display: flex;
  align-items: center;
  gap: 3.2rem;
  white-space: nowrap;
}
.word-track span::after {
  content: "◆";
  font-size: .55rem;
  color: var(--gold);
  font-style: normal;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Secciones ---------- */
.section { padding-block: var(--section-pad); position: relative; }
.section-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 2rem;
  padding-bottom: 2rem;
  margin-bottom: clamp(2.2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}
.section-head h2 { margin-top: 1rem; }
.section-head .sec-num {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--faint);
  letter-spacing: .2em;
}

/* ---------- Divisiones ---------- */
.divisions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.2rem, 2.5vw, 1.8rem);
}
.division {
  position: relative;
  border-radius: calc(var(--radius) + 6px);
  padding: clamp(1.8rem, 3.5vw, 2.8rem);
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
  display: flex;
  flex-direction: column;
  min-height: 560px;
}
.division:hover { transform: translateY(-6px); }
.division .div-idx {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .2em;
  margin-bottom: 2rem;
}
.division .div-logo { height: 92px; width: auto; object-fit: contain; object-position: left; margin-bottom: 2rem; }
.division .div-lema {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  margin-bottom: 1rem;
}
.division .div-role {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.division p { font-size: .98rem; line-height: 1.6; }
.division .div-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.5rem 0 2rem;
}
.division .div-tags li {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .06em;
  padding: .4rem .8rem;
  border-radius: 999px;
  border: 1px solid;
}
.division .btn { margin-top: auto; align-self: flex-start; }

/* Atmósferas hover: cada división respira distinto */
.division::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .55s var(--ease);
  pointer-events: none;
}
.division--ed::before {
  background: radial-gradient(560px 300px at 18% 0%, rgba(199,154,82,.28), transparent 62%);
}
.division--ia::before {
  background: radial-gradient(560px 300px at 85% 0%, rgba(25,211,197,.16), transparent 62%);
}
.division:hover::before { opacity: 1; }
.division::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .55s var(--ease);
}
.division--ed::after { background: linear-gradient(90deg, var(--amber), var(--amber-sec)); }
.division--ia::after { background: var(--grad-ia); }
.division:hover::after { transform: scaleX(1); }
.division .div-logo { transition: transform .5s var(--ease); }
.division:hover .div-logo { transform: translateY(-3px); }

/* Editore — cálido editorial */
.division--ed {
  background: linear-gradient(165deg, var(--amber-panel), var(--amber-soft));
  border: 1px solid rgba(185,125,11,.25);
  color: var(--ink);
  box-shadow: 0 30px 70px -40px rgba(185,125,11,.45);
}
.division--ed:hover { box-shadow: 0 44px 90px -40px rgba(185,125,11,.5); }
.division--ed .div-idx { color: var(--amber-strong); }
.division--ed .div-lema { color: var(--amber-strong); }
.division--ed .div-role { color: var(--amber); }
.division--ed p { color: #4a3c14; }
.division--ed .div-tags li { border-color: rgba(143,95,4,.35); color: var(--amber-strong); }

/* AgencIA — dark tech */
.division--ia {
  background:
    radial-gradient(500px 260px at 90% 0%, rgba(43,208,195,.12), transparent 60%),
    linear-gradient(160deg, var(--navy-2), var(--navy));
  border: 1px solid rgba(43,208,195,.22);
  color: #eaf3fb;
  box-shadow: 0 30px 70px -40px rgba(11,21,34,.8);
}
.division--ia:hover { box-shadow: 0 44px 90px -40px rgba(11,21,34,.9); }
.division--ia .div-idx { color: var(--turq); }
.division--ia .div-lema {
  background: var(--grad-ia);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.division--ia .div-role { color: var(--turq); }
.division--ia p { color: #a9bccd; }
.division--ia .div-tags li { border-color: rgba(43,208,195,.3); color: var(--turq); }

/* ---------- Visión ---------- */
.vision { background: var(--paper-2); border-block: 1px solid var(--line-soft); }
.vision-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.vision-copy p + p { margin-top: 1.2rem; }
.vision-copy p { color: var(--ink-2); font-size: 1.08rem; }
.vision-flow {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: clamp(1.5rem, 3vw, 2.2rem);
  display: grid;
  gap: 0;
}
.vflow-row {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 1rem 0;
}
.vflow-row + .vflow-row { border-top: 1px dashed var(--line-soft); }
.vflow-dot {
  flex: none;
  width: 12px; height: 12px;
  border-radius: 50%;
}
.vflow-dot.ed { background: var(--amber); box-shadow: 0 0 0 4px rgba(185,125,11,.15); }
.vflow-dot.gr { background: var(--ink); box-shadow: 0 0 0 4px rgba(13,19,26,.12); }
.vflow-dot.ia { background: var(--turq); box-shadow: 0 0 0 4px rgba(43,208,195,.15); }
.vflow-row strong { font-family: var(--serif); font-weight: 600; font-size: 1.05rem; display: block; }
.vflow-row span { color: var(--muted); font-size: .88rem; }

/* ---------- Pilares ---------- */
.pillars { border-top: 1px solid var(--line); }
.pillar {
  display: grid;
  grid-template-columns: 110px 1fr 1.2fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: baseline;
  padding: clamp(1.6rem, 3vw, 2.2rem) 0;
  border-bottom: 1px solid var(--line);
  transition: background .35s var(--ease), padding-left .35s var(--ease);
}
.pillar:hover { background: rgba(234,227,215,.45); padding-left: 1.2rem; }
.pillar-num {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--faint);
  letter-spacing: .15em;
  transition: color .35s var(--ease);
}
.pillar h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); transition: color .35s var(--ease); }
.pillar p { color: var(--muted); font-size: .98rem; max-width: 46ch; }
.pillar:hover .pillar-num, .pillar:hover h3 { color: var(--teal); }

/* ---------- CTA final ---------- */
.final { padding-block: var(--section-pad); }
.final-box {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  border-radius: calc(var(--radius) + 8px);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  overflow: hidden;
  text-align: center;
}
.final-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(500px 240px at 12% 0%, rgba(251,233,169,.1), transparent 55%),
    radial-gradient(500px 240px at 88% 100%, rgba(43,208,195,.12), transparent 55%);
  pointer-events: none;
}
.final-box h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  max-width: 22ch;
  margin: 0 auto 1rem;
  position: relative;
}
.final-box p { color: #b9c2cd; max-width: 48ch; margin: 0 auto 2.2rem; position: relative; }
.final-actions {
  position: relative;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.final-actions .btn-ed {
  background: var(--amber-soft);
  color: var(--ink);
}
.final-actions .btn-ed:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -10px rgba(251,233,169,.35); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #aeb9c6;
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand img { height: 76px; width: auto; margin-bottom: 1.2rem; }
.footer-brand p { font-size: .93rem; max-width: 32ch; }
.footer-col h4 {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #6d7987;
  margin-bottom: 1.1rem;
  font-weight: 500;
}
.footer-col ul { display: grid; gap: .6rem; }
.footer-col a { color: #aeb9c6; font-size: .93rem; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-col .div-link { display: flex; align-items: center; gap: .5rem; }
.footer-bottom {
  padding-top: 1.6rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .84rem;
  color: #6d7987;
}
.footer-bottom .lema-g { font-family: var(--mono); font-size: .74rem; letter-spacing: .16em; }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { max-width: 520px; }
  .divisions { grid-template-columns: 1fr; }
  .division { min-height: 0; }
  .vision-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  /* Header sólido siempre en móvil (lección WS AgencIA) */
  .site-header {
    background: rgba(248,246,241,.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--line-soft);
  }
  .main-nav {
    position: fixed;
    inset: 80px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(248,246,241,.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line-soft);
    padding: 1rem clamp(1.25rem, 4vw, 2rem) 1.6rem;
    gap: 0;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
  }
  .main-nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .main-nav a { padding: .9rem 0; font-size: 1.05rem; border-bottom: 1px solid var(--line-soft); }
  .main-nav a::after { display: none; }
  .nav-toggle { display: inline-flex; }
  .pillar { grid-template-columns: 1fr; gap: .4rem; }
  .hero-actions .btn { width: 100%; }
  .final-actions .btn { width: 100%; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}