/* ==========================================================================
   Inventopia Hub — estilos (fiel al bosquejo)
   Hero oscuro · Proceso claro · Clientes negro · IA blanco · FAQ/Footer oscuro
   ========================================================================== */

:root {
  --navy: #060A14;
  --navy-2: #050A17;
  --black: #000;
  --light: #F8F8F8;
  --white: #FFFFFF;
  --ink: #141414;
  --ink-soft: #3A3A3A;
  --text: #FFFFFF;
  --muted: #B7BFCC;
  --mint: #93EBCB;

  --cyan: #00F2FE;
  --blue: #4FACFE;
  --violet: #7F00FF;
  --magenta: #E100FF;

  /* Una sola familia: Neue Machina (si está instalada en assets/fonts) → Space Grotesk */
  --font: "Neue Machina", "Space Grotesk", system-ui, sans-serif;

  --header-h: 84px;
  --gutter: 20px;
  --ease: cubic-bezier(.22, .9, .3, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--navy);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.icon { width: 1.2em; height: 1.2em; flex-shrink: 0; }

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 200;
  padding: 10px 16px;
  background: var(--mint); color: #000; font-weight: 800;
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

.float { animation: float 7s ease-in-out infinite; }
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -14px; } }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background .3s, backdrop-filter .3s;
}
.site-header.is-scrolled,
.site-header.menu-open {
  background: rgba(6, 10, 20, .78);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: 16px; min-width: 0; }
.logo-mark { width: 40px; height: auto; color: #fff; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; gap: 2px; line-height: 1.2; }
.brand-name { font-size: .62rem; letter-spacing: .55em; text-transform: uppercase; }
.brand-tagline { font-size: .6rem; letter-spacing: .04em; color: rgba(255, 255, 255, .8); }

.header-actions { display: flex; align-items: center; gap: 22px; }

.menu-toggle { display: grid; place-items: center; width: 44px; height: 44px; margin-right: -6px; }
.menu-toggle-bars { display: grid; gap: 6px; width: 32px; }
.menu-toggle-bars span {
  display: block; height: 3px; background: #fff;
  transition: transform .35s var(--ease), opacity .2s;
}
.menu-open .menu-toggle-bars span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.menu-open .menu-toggle-bars span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle-bars span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

.lang-switch { display: flex; gap: 6px; font-size: .82rem; }
.lang-switch a { color: rgba(255, 255, 255, .75); transition: color .2s; }
.lang-switch a:hover { color: #fff; }
.lang-switch a.is-active { color: #fff; font-weight: 800; }

/* Menú desplegable (hamburguesa en todos los tamaños, como en el boceto) */
.main-nav {
  position: absolute; inset: var(--header-h) 0 auto;
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
  padding: 8px 0 32px;
  background: rgba(6, 10, 20, .96);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(147, 235, 203, .25);
  opacity: 0; visibility: hidden;
  transform: translateY(-10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.menu-open .main-nav { opacity: 1; visibility: visible; transform: none; }
.nav-list { display: grid; }
.nav-link {
  display: block;
  padding: 14px 0;
  font-size: 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  transition: color .2s, padding .25s var(--ease);
}
.nav-link:hover, .nav-link.is-active { color: var(--mint); padding-left: 8px; }
.nav-cta {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 22px;
  padding: 16px 20px;
  background: var(--mint);
  color: #06121a;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
  transition: filter .2s;
}
.nav-cta:hover { filter: brightness(1.08); }
.nav-cta .icon { transition: transform .25s var(--ease); }
.nav-cta:hover .icon { transform: translateX(4px); }

body.no-scroll { overflow: hidden; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  display: flex; align-items: center;
  min-height: min(100svh, 820px);
  padding: calc(var(--header-h) + 40px) 0 72px;
  background: var(--navy);
  overflow: hidden;
}
.hero-grid { display: grid; gap: 40px; align-items: center; width: 100%; }
.hero-copy { display: grid; gap: 28px; }

.hero-title { display: grid; gap: 4px; font-weight: 400; }
.hero-title-main {
  font-size: clamp(3rem, 7.4vw, 6.4rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -.01em;
}
.hero-title-sub { font-size: clamp(1.35rem, 2.7vw, 2.4rem); line-height: 1.2; }

/* Caja de texto tipo píldora con borde degradado */
.prompter {
  position: relative;
  display: flex; align-items: center;
  max-width: 670px;
  height: 56px;
  padding: 0 8px 0 24px;
  border-radius: 999px;
  isolation: isolate;
}
.prompter::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  padding: 1.5px;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--cyan) 50%, var(--blue));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
}
.prompter::after {
  content: "";
  position: absolute; inset: 0; z-index: -2;
  border-radius: inherit;
  box-shadow: 0 0 22px rgba(0, 242, 254, .25);
  opacity: .6;
  animation: glow 3.5s ease-in-out infinite;
  transition: opacity .3s;
}
.prompter:focus-within::after { opacity: 1; box-shadow: 0 0 30px rgba(0, 242, 254, .45); }
@keyframes glow { 50% { opacity: .25; } }

.prompter input {
  flex: 1; min-width: 0; height: 100%;
  border: 0; outline: 0;
  background: transparent;
  font-size: 1rem;
  caret-color: var(--cyan);
}
.prompter input::placeholder { color: rgba(255, 255, 255, .35); }
.prompter input:focus-visible { outline: none; }
.prompter-submit {
  display: grid; place-items: center;
  width: 64px; height: 44px;
  border-radius: 999px;
  color: #fff;
  transition: color .2s;
}
.prompter-submit svg { width: 44px; transition: transform .3s var(--ease); }
.prompter-submit:hover { color: var(--cyan); }
.prompter-submit:hover svg { transform: translateX(5px); }
.prompter-hint {
  display: flex; align-items: center; gap: 8px;
  margin-top: -12px; padding-left: 4px;
  font-size: .82rem;
  color: rgba(255, 255, 255, .6);
}
.prompter-hint .icon { width: 1rem; height: 1rem; color: #25D366; }

/* Figuras 3D */
.hero-visual {
  position: relative;
  width: min(100%, 520px);
  aspect-ratio: 1.55;
  margin: 0 auto;
  --px: 0; --py: 0;
}
.hero-visual img { position: absolute; height: auto; filter: drop-shadow(0 24px 30px rgba(0, 0, 0, .45)); }
.shape-blob {
  width: 52%; left: 4%; top: 12%;
  transform: translate(calc(var(--px) * -16px), calc(var(--py) * -16px));
  animation: float 8s ease-in-out infinite;
}
.shape-star {
  width: 47%; right: 0; top: 0;
  transform: translate(calc(var(--px) * 22px), calc(var(--py) * 22px));
  animation: float 9s ease-in-out -3s infinite;
}

/* ==========================================================================
   SECCIONES
   ========================================================================== */
.section { position: relative; padding: 88px 0; overflow-x: clip; }
.section-title { font-size: clamp(1.6rem, 2.6vw, 2.2rem); font-weight: 400; line-height: 1.2; }
.section-title-lg { font-size: clamp(1.9rem, 3.4vw, 2.9rem); }
.section-title-mint { color: var(--mint); }
.section-lead { margin-top: 6px; font-size: .92rem; }

/* ---------- ¿Cómo funciona? (claro) ---------- */
.section-light { background: var(--light); color: var(--ink); padding-bottom: 120px; }
.steps { display: grid; gap: 24px; margin-top: 56px; }
.step-card {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  padding: 36px 22px 40px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--ink);
  border-radius: 3px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.step-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px -22px rgba(0, 0, 0, .45); }
.step-icon { width: 68px; height: 68px; color: var(--ink); stroke-width: 1.1; transition: transform .35s var(--ease); }
.step-card:hover .step-icon { transform: scale(1.08); }
.step-card h3 {
  font-size: .9rem; font-weight: 400;
  line-height: 1.25;
  text-transform: uppercase;
  max-width: 220px;
}
.step-card p {
  font-size: .86rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ---------- Nuestros Clientes (negro) · vitrina de casos ---------- */
.section-black { background: var(--black); padding: 110px 0 120px; }
.cases-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 40px; }
.cases-lead { max-width: 420px; font-size: .95rem; color: var(--muted); }

.showcase { display: grid; gap: 20px; margin-top: 44px; }

.case-tabs {
  display: flex; gap: 10px;
  overflow-x: auto;
  margin: 0 calc(var(--gutter) * -1);
  padding: 0 var(--gutter) 4px;
  scrollbar-width: none;
}
.case-tabs::-webkit-scrollbar { display: none; }
.case-tab {
  position: relative;
  flex: 0 0 auto;
  display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; align-items: baseline;
  padding: 14px 18px 16px;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, .14);
  overflow: hidden;
  transition: border-color .3s, background .3s;
}
.case-tab:hover { border-color: rgba(255, 255, 255, .35); }
.case-tab[aria-selected="true"] { border-color: var(--mint); background: rgba(147, 235, 203, .06); }
.case-tab-num { grid-row: span 2; font-size: .8rem; color: var(--mint); }
.case-tab-name { font-size: 1.05rem; }
.case-tab-sector { font-size: .76rem; color: var(--muted); }
.case-tab-progress {
  position: absolute; inset: auto 0 0;
  height: 2px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: left;
}
.case-tab[aria-selected="true"] .case-tab-progress { animation: case-progress 7s linear forwards; }
.showcase.is-paused .case-tab-progress { animation-play-state: paused; }
@keyframes case-progress { to { transform: scaleX(1); } }

.case-stage { position: relative; }
.case-panel {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  animation: case-in .7s var(--ease);
}
.case-panel img {
  width: 100%; height: 100%;
  object-fit: cover;
  animation: case-zoom 9s ease-out forwards;
}
.case-panel::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0) 30%, rgba(0, 0, 0, .55) 60%, rgba(0, 0, 0, .9) 100%),
    linear-gradient(0deg, rgba(0, 150, 255, .35), rgba(0, 150, 255, 0) 45%);
}
.case-panel::before {
  content: "";
  position: absolute; inset: auto 0 0; z-index: 2;
  height: 3px;
  background: linear-gradient(90deg, var(--magenta), var(--blue));
}
@keyframes case-in { from { opacity: 0; } }
@keyframes case-zoom { from { transform: scale(1.08); } }

.case-info {
  position: absolute; inset: auto 0 0; z-index: 1;
  display: grid; gap: 12px; justify-items: start;
  padding: 24px 22px 28px;
}
.case-info > * { animation: rise .7s var(--ease) both; }
.case-info > :nth-child(2) { animation-delay: .06s; }
.case-info > :nth-child(3) { animation-delay: .12s; }
.case-info > :nth-child(n+4) { animation-delay: .18s; }
.case-sector { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--mint); }
.case-name { font-size: clamp(1.8rem, 3.4vw, 2.8rem); font-weight: 300; line-height: 1.05; }
.case-desc { max-width: 540px; font-size: .95rem; color: rgba(255, 255, 255, .86); }
.case-built { margin-top: 6px; font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.case-modules { display: flex; flex-wrap: wrap; gap: 8px; }
.case-modules li {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  font-size: .82rem;
  border: 1px solid rgba(255, 255, 255, .22);
  background: rgba(6, 10, 20, .55);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.case-modules .icon { width: 1.05rem; height: 1.05rem; color: var(--mint); }
.case-link { display: inline-flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--mint); }
.case-link .icon { transition: transform .25s var(--ease); }
.case-link:hover .icon { transform: translateX(4px); }
.soon {
  margin-left: 2px;
  padding: 2px 6px;
  font-size: .6rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--mint);
  color: #06121a;
}

.shape-ring {
  position: absolute; z-index: 3;
  right: -28px; bottom: -64px;
  width: clamp(120px, 13vw, 180px);
  height: auto;
  pointer-events: none;
}

/* ---------- Automatización y agentes de IA (blanco) ---------- */
.section-white { background: var(--white); color: var(--ink); padding: 110px 0 90px; }
.section-white .section-lead { color: var(--ink-soft); }
.ai-grid { display: grid; gap: 56px; margin-top: 48px; align-items: center; }
.ai-list { display: grid; gap: 36px; }
.ai-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 14px; }
.ai-num { font-size: clamp(2.6rem, 4vw, 3.4rem); font-weight: 300; line-height: 1; }
.ai-title { font-size: clamp(1.15rem, 1.6vw, 1.45rem); font-weight: 400; }
.ai-sub, .ai-text { font-size: .95rem; line-height: 1.5; color: var(--ink); }

/* Demo: chat del agente IA + notificaciones automáticas */
.ai-visual {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: .82;
  margin: 0 auto;
}
.phone {
  position: absolute;
  left: 38%; top: 0;
  width: 56%; height: 92%;
  padding: 6px;
  border-radius: 30px;
  background: #0b0b0f;
  box-shadow: 0 30px 60px -22px rgba(0, 0, 0, .55);
  animation: float 8s ease-in-out -2s infinite;
}
.phone-screen {
  display: flex; flex-direction: column;
  width: 100%; height: 100%;
  padding: 16px 12px;
  border-radius: 25px;
  background: var(--navy);
  color: #fff;
  overflow: hidden;
}
.chat-head {
  display: flex; align-items: center; gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.chat-avatar {
  display: grid; place-items: center;
  width: 30px; height: 30px; flex-shrink: 0;
  border-radius: 50%;
  background: #229ED9;
  color: #fff;
}
.chat-avatar .icon { width: 16px; height: 16px; }
.chat-name { font-size: .74rem; line-height: 1.2; }
.chat-status { font-size: .58rem; color: rgba(255, 255, 255, .55); }
.chat-channel { margin-left: auto; width: 1rem; height: 1rem; color: #229ED9; }
.chat-body { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; font-size: .7rem; line-height: 1.35; }
.msg { max-width: 86%; padding: 8px 10px; border-radius: 12px; }
.msg-in { align-self: flex-start; background: rgba(255, 255, 255, .1); border-bottom-left-radius: 3px; }
.msg-out { align-self: flex-end; background: #229ED9; color: #fff; border-bottom-right-radius: 3px; }

.notify-stack {
  position: absolute; z-index: 2;
  left: 0; bottom: 4%;
  width: 62%;
}
.sources { display: grid; gap: 10px; }
.sources-label {
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 10px; padding: 6px 10px;
  font-size: .66rem; letter-spacing: .12em; text-transform: uppercase;
  background: var(--navy); color: var(--mint);
}
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); animation: pulse-dot 1.4s ease-in-out infinite; }
@keyframes pulse-dot { 50% { opacity: .25; transform: scale(.7); } }
.notify {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--white);
  border: 1px solid var(--ink);
  box-shadow: 0 16px 30px -16px rgba(0, 0, 0, .35);
}
.notify-icon {
  display: grid; place-items: center;
  width: 32px; height: 32px; flex-shrink: 0;
  background: var(--navy);
  color: var(--mint);
}
.notify-icon .icon { width: 1.05rem; height: 1.05rem; }
.notify p { display: grid; font-size: .68rem; line-height: 1.3; color: var(--ink-soft); }
.notify b { font-size: .76rem; font-weight: 400; color: var(--ink); }

.js .msg, .js .notify {
  opacity: 0;
  transition: opacity .45s var(--ease), transform .45s var(--ease);
}
.js .msg { transform: translateY(8px) scale(.97); }
.js .notify { transform: translateX(-18px); }
.js .msg.is-shown, .js .notify.is-shown { opacity: 1; transform: none; }

.shape-ribbon {
  position: absolute; z-index: 1;
  left: 46%; top: 72%;
  width: 58%; height: auto;
  pointer-events: none;
}

/* ==========================================================================
   FAQ + FOOTER (oscuro)
   ========================================================================== */
.site-footer {
  position: relative;
  padding: 80px 0 40px;
  background: var(--navy-2);
  overflow: hidden;
}
.footer-grid { display: grid; gap: 64px; }

.faq-list { display: grid; gap: 18px; margin-top: 32px; }
.faq-item {
  border: 1px solid var(--mint);
  background: transparent;
  transition: background .3s;
}
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 18px;
  font-size: .9rem;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item:not([open]) { background: var(--mint); }
.faq-item:not([open]) summary { color: #06121a; font-weight: 800; }
.faq-item:not([open]):hover { filter: brightness(1.06); }
.faq-icon { font-size: 1.2rem; line-height: 1; transition: transform .35s var(--ease); }
.faq-item:not([open]) .faq-icon { color: #fff; }
.faq-item[open] .faq-icon { transform: rotate(45deg); color: var(--mint); }
.faq-answer {
  padding: 0 18px 20px;
  font-size: .88rem;
  line-height: 1.5;
  animation: fade-down .4s var(--ease);
}
@keyframes fade-down { from { opacity: 0; transform: translateY(-6px); } }

.footer-side { display: grid; gap: 44px; align-content: start; }
.footer-brand { display: grid; justify-items: center; gap: 4px; text-align: center; }
.logo-mark-lg { width: 170px; margin-bottom: 14px; }
.footer-name { font-size: .7rem; font-weight: 400; letter-spacing: .6em; text-transform: uppercase; padding-left: .6em; }
.footer-tagline { font-size: .66rem; letter-spacing: .05em; color: rgba(255, 255, 255, .8); }

.footer-contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 20px; font-size: .85rem; }
.footer-label { margin-bottom: 8px; font-weight: 800; }
.footer-contact a { transition: color .2s; word-break: break-word; }
.footer-contact a:hover { color: var(--mint); }

.footer-social {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 12px 10px 18px;
  border: 1px solid var(--mint);
}
.footer-social-label { font-size: .7rem; letter-spacing: .4em; text-transform: uppercase; }
.social-list { display: flex; gap: 4px; }
.social-list a {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  transition: color .2s, transform .2s;
}
.social-list a:hover { color: var(--mint); transform: translateY(-2px); }
.social-list .icon { width: 1.25rem; height: 1.25rem; }

.footer-legal {
  position: relative; z-index: 1;
  margin-top: 72px;
  padding: 0 var(--gutter);
  text-align: center;
  font-size: .88rem;
  color: rgba(255, 255, 255, .8);
}
.footer-legal a:hover { color: var(--mint); }

.shape-footer {
  position: absolute;
  left: 4%; bottom: -36px;
  width: clamp(80px, 9vw, 130px);
  height: auto;
  pointer-events: none;
}

/* ==========================================================================
   MODAL "Generando arquitectura..."
   ========================================================================== */
.modal { position: fixed; inset: 0; z-index: 150; display: grid; place-items: center; padding: var(--gutter); }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(2, 4, 10, .78); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); animation: fade .3s; }
.modal-panel {
  position: relative;
  width: min(660px, 100%);
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  padding: 44px 24px 28px;
  background: rgba(10, 15, 28, .92);
  border: 1px solid rgba(0, 242, 254, .35);
  border-radius: 18px;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: 0 0 60px -10px rgba(0, 242, 254, .25), 0 30px 80px -20px rgba(127, 0, 255, .45);
  animation: pop .45s var(--ease);
}
.modal-close {
  position: absolute; top: 14px; right: 14px;
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  transition: background .2s;
}
.modal-close:hover { background: rgba(255, 255, 255, .08); }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.97); } }

.modal-loading { display: grid; justify-items: center; gap: 22px; text-align: center; }
.loader { position: relative; display: grid; place-items: center; width: 92px; height: 92px; }
.loader::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--cyan);
  border-right-color: var(--violet);
  animation: spin 1.1s linear infinite;
}
.loader .logo-mark { width: 38px; animation: pulse 1.6s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: .45; transform: scale(.92); } }

.modal-title { font-size: clamp(1.2rem, 3.6vw, 1.55rem); font-weight: 400; line-height: 1.3; }
.loading-steps { display: grid; gap: 10px; text-align: left; }
.loading-steps li { display: flex; align-items: center; gap: 10px; font-size: .92rem; color: rgba(255, 255, 255, .4); transition: color .3s; }
.loading-steps .icon {
  width: 22px; height: 22px; padding: 4px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .25);
  color: transparent;
  stroke-width: 2.6;
  transition: background .3s, color .3s, border-color .3s;
}
.loading-steps li.is-active { color: #fff; }
.loading-steps li.is-active .icon { border-color: var(--cyan); animation: pulse 1s infinite; }
.loading-steps li.is-done { color: #fff; }
.loading-steps li.is-done .icon { background: var(--mint); color: #06121a; border-color: transparent; animation: none; }

.modal-result { display: grid; gap: 16px; }
.modal-lead { color: var(--muted); font-size: .92rem; }
.modal-quote {
  padding: 12px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(0, 242, 254, .06);
  font-size: .9rem;
  color: var(--muted);
}
.module-grid { display: grid; gap: 10px; }
.module-grid li {
  display: grid; grid-template-columns: auto 1fr; gap: 2px 12px;
  padding: 14px;
  border: 1px solid rgba(147, 235, 203, .35);
  opacity: 0;
  animation: rise .5s var(--ease) forwards;
}
.module-index {
  grid-row: span 2;
  font-size: 1.4rem; font-weight: 300; line-height: 1;
  color: var(--mint);
}
.module-grid strong { font-size: .95rem; font-weight: 400; }
.module-grid span:last-child { font-size: .82rem; color: var(--muted); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.modal-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.btn {
  flex: 1 1 auto;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 22px;
  font-weight: 800; font-size: .9rem;
  text-transform: uppercase; letter-spacing: .03em;
  transition: filter .2s, background .2s, border-color .2s;
}
.btn-primary { background: var(--mint); color: #06121a; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .3); }
.btn-ghost:hover { border-color: var(--mint); }
.btn-whatsapp { flex-basis: 100%; background: #25D366; color: #fff; }
.btn-whatsapp:hover { filter: brightness(1.07); }

.modal-message { padding: 12px 14px; border: 1px dashed rgba(147, 235, 203, .4); }
.modal-message-label { margin-bottom: 6px; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.modal-message-text { white-space: pre-line; font-size: .85rem; color: rgba(255, 255, 255, .85); }
.modal-edit {
  justify-self: center;
  font-size: .82rem;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.modal-edit:hover { color: #fff; }

/* ---------- Página legal ---------- */
.legal { padding: calc(var(--header-h) + 64px) 0 80px; background: var(--navy); }
.legal-wrap { max-width: 760px; display: grid; gap: 14px; }
.legal h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 300; margin-bottom: 12px; }
.legal h2 { font-size: 1.1rem; font-weight: 800; margin-top: 14px; }
.legal p { color: var(--muted); }
.legal .eyebrow { color: var(--mint); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; }
.legal .btn { flex: 0 0 auto; justify-self: start; margin-top: 24px; }

/* ==========================================================================
   ANIMACIONES AL HACER SCROLL
   ========================================================================== */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--delay, 0ms);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   BREAKPOINTS (mobile-first)
   ========================================================================== */
@media (max-width: 479px) {
  .brand-name { letter-spacing: .4em; }
  .prompter { padding-left: 18px; }
  .prompter-submit { width: 52px; }
  .prompter-submit svg { width: 34px; }
}

@media (min-width: 600px) {
  :root { --gutter: 32px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .module-grid { grid-template-columns: 1fr 1fr; }
  .modal-panel { padding: 48px 36px 32px; }
}

@media (min-width: 768px) {
  .case-panel { aspect-ratio: 16 / 11; }
  .case-info { padding: 36px 40px 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { margin-bottom: 30px; }
}

@media (min-width: 1024px) {
  :root { --gutter: 5.5vw; --header-h: 96px; }
  .logo-mark { width: 46px; }
  .section { padding: 120px 0; }
  .hero-grid { grid-template-columns: 1.15fr .85fr; gap: 24px; }
  .hero-visual { width: 100%; margin-top: -60px; }
  .steps { grid-template-columns: repeat(4, 1fr); gap: clamp(24px, 3vw, 48px); margin-top: 72px; }
  .step-card { min-height: 360px; }
  .section-light { padding-bottom: 200px; }
  .showcase { grid-template-columns: minmax(260px, 340px) 1fr; gap: 32px; align-items: stretch; }
  .case-tabs { flex-direction: column; gap: 12px; margin: 0; padding: 0; overflow: visible; }
  .case-tab { flex: 1; align-content: center; padding: 22px 24px; }
  .case-tab-name { font-size: 1.3rem; }
  .case-tab-num { font-size: .9rem; }
  .case-panel { aspect-ratio: 16 / 10; }
  .section-black { padding: 140px 0 110px; }
  .ai-grid { grid-template-columns: 1.6fr 1fr; gap: 48px; }
  .ai-list { padding-left: 5%; }
  .footer-grid { grid-template-columns: 1fr .7fr; gap: 10%; }
}

/* Menú en escritorio: panel alineado a la derecha bajo la hamburguesa */
@media (min-width: 900px) {
  .main-nav {
    left: auto; right: var(--gutter);
    width: 340px;
    padding: 12px 0 24px;
    border: 1px solid rgba(147, 235, 203, .3);
  }
  .main-nav .container { padding: 0 24px; }
}

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