/* ===========================================================
   Xpresiva — landing (v1: specimen tipográfico)
   La tipografía es la protagonista. Zero-dependency, sin fuentes externas.
   Iterable a demanda.
   =========================================================== */

/* Fuentes self-hosted (OFL): Fraunces (display) + Newsreader (lectura). Sin red externa. */
@font-face{font-family:"Fraunces";src:url("../fonts/fraunces-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap;}
@font-face{font-family:"Fraunces";src:url("../fonts/fraunces-400i.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap;}
@font-face{font-family:"Newsreader";src:url("../fonts/newsreader-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap;}
@font-face{font-family:"Newsreader";src:url("../fonts/newsreader-400i.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap;}

:root {
  /* Paleta acordada */
  --paper:    #FAF7F2;
  --ink:      #1E1B18;
  --coral:    #F2545B;  /* primario  */
  --indigo:   #5B5BD6;  /* secundario */
  --amber:    #F4A800;  /* acento (ámbar algo más tostado para contraste sobre papel) */
  --teal:     #1FA89C;  /* acento (teal algo más profundo para legibilidad) */

  --ink-soft: #5b544e;
  --line:     #e7e0d6;
  --surface:  #ffffff;  /* superficies (cards, planes) */

  /* Pairing editorial self-hosted (OFL): Fraunces = display (titulares con cuerpo);
     Newsreader = lectura (cuerpo legible); UI en sans del sistema. */
  --font-display: "Fraunces", "Palatino Linotype", Georgia, serif;
  --font-read: "Newsreader", Georgia, serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius: 999px;
  --maxw: 1180px;
}

/* ---- Modo oscuro: override manual (data-theme) + auto (preferencia del SO) ---- */
:root[data-theme="dark"] {
  --paper: #16130f; --ink: #f3ede4; --ink-soft: #b3aaa0; --line: #322c25; --surface: #211d18;
  --coral: #ff6b72; --indigo: #8c8cf2; --amber: #ffc24d; --teal: #3fd0c0;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #16130f; --ink: #f3ede4; --ink-soft: #b3aaa0; --line: #322c25; --surface: #211d18;
    --coral: #ff6b72; --indigo: #8c8cf2; --amber: #ffc24d; --teal: #3fd0c0;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--indigo); color: #fff;
  padding: .6rem 1rem; border-radius: 0 0 12px 0; z-index: 100;
}
.skip-link:focus { left: 0; }

a:focus-visible, .btn:focus-visible {
  outline: 3px solid var(--indigo);
  outline-offset: 3px;
}

/* ---------- Header ---------- */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; max-width: var(--maxw); margin: 0 auto; padding: 1.4rem 1.5rem;
}
.brand { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; font-weight: 700; font-size: 1.25rem; }
.brand-mark { color: var(--coral); font-size: 1.4rem; }
/* Wordmark "Xpres!va" del header */
.brand-word { font-family: var(--font-display); font-weight: 700; font-size: 1.42rem; letter-spacing: -0.01em; line-height: 1; color: var(--ink); }
.brand-excl { height: 1.0em; width: .3em; vertical-align: -0.2em; overflow: visible; margin: 0 -0.02em; }
.site-nav { display: flex; align-items: center; gap: 1.6rem; }
/* :not(.btn) para no pisar el color de los botones (era el bug del "Comprar" en negro) */
.site-nav a:not(.btn) { position: relative; text-decoration: none; font-weight: 500; color: var(--ink-soft); transition: color .15s ease; }
.site-nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--coral); transition: width .2s ease; }
.site-nav a:not(.btn):hover { color: var(--ink); }
.site-nav a:not(.btn):hover::after { width: 100%; }

/* Interruptor de tema claro/oscuro */
.theme-toggle {
  background: none; border: 1px solid var(--line); border-radius: 999px;
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--ink-soft); transition: color .15s ease, border-color .15s ease;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-soft); }
.theme-toggle svg { width: 18px; height: 18px; }
/* Selector de idioma */
.lang-link { font-weight: 600; font-size: .82rem; color: var(--ink-soft); text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: .32rem .62rem; transition: color .15s ease, border-color .15s ease; }
.lang-link:hover { color: var(--ink); border-color: var(--ink-soft); }
.theme-toggle .ico-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .ico-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .ico-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .ico-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .ico-moon { display: none; }
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-weight: 600; text-decoration: none;
  padding: .85rem 1.5rem; border-radius: var(--radius);
  border: 2px solid transparent;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease, color .12s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--coral); color: #fff; box-shadow: 0 10px 24px -10px var(--coral); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-ghost { background: var(--indigo); color: #fff; padding: .55rem 1.2rem; box-shadow: 0 8px 18px -8px var(--indigo); }
.btn-ghost:hover { background: #4a4ac8; color: #fff; }

/* ---------- Hero: specimen ---------- */
.hero {
  max-width: var(--maxw);
  margin: clamp(1.5rem, 5vw, 4rem) auto 0;
  padding: 0 1.5rem 5rem;
}

.eyebrow {
  text-transform: uppercase; letter-spacing: .16em;
  font-size: .8rem; font-weight: 700; color: var(--indigo);
  margin: 0 0 .8rem;
}

/* La palabra gigante, multicolor, protagonista absoluta */
.specimen {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.5rem, 19vw, 14rem);
  line-height: .86;
  letter-spacing: -0.04em;
  margin: 0 0 .4rem;
  word-break: keep-all;
}
.specimen span { display: inline-block; }
.specimen .c1 { color: var(--coral); }
.specimen .c2 { color: var(--indigo); }
.specimen .c3 { color: var(--amber); }
.specimen .c4 { color: var(--teal); }
/* un guiño "expresivo": un par de letras en cursiva */
.specimen .c2 { font-style: italic; }

.tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.4rem, 3.4vw, 2.4rem);
  color: var(--ink);
  margin: .2rem 0 1.4rem;
}

/* Typewriter */
.tw { color: var(--coral); font-style: italic; }
.tw-caret { color: var(--indigo); font-weight: 400; margin-left: 1px; animation: tw-blink 1s steps(1) infinite; }
@keyframes tw-blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .tw-caret { display: none; } }

.hero-lead {
  font-family: var(--font-read);
  font-size: 1.3rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 2rem;
}
.hero-lead strong { color: var(--ink); }

.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 2.4rem; }

/* Tira-specimen: refuerza "esto va de tipografía" */
.specimen-strip {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 1.2rem;
  margin: 0;
  max-width: 46ch;
}
.specimen-strip .weight {
  font-size: 1.7rem; font-weight: 700; color: var(--coral);
  margin-right: .5rem; vertical-align: -2px;
}
.specimen-strip em { color: var(--indigo); }
.specimen-strip strong { color: var(--teal); }

/* ---------- Secciones ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 4.5rem 1.5rem; }
.section-head { margin-bottom: 2.4rem; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.05; letter-spacing: -0.02em; margin: .2rem 0;
}
.section-lead { font-family: var(--font-read); font-size: 1.2rem; color: var(--ink-soft); max-width: 52ch; margin: .6rem 0 1.8rem; }

/* Cards de características */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  padding: 1.6rem 1.4rem;
}
.card-ico { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 13px; margin-bottom: 1rem; }
.card-ico svg { width: 26px; height: 26px; }
.ico-coral  { color: var(--coral);  background: rgba(242,84,91,.10); }
.ico-indigo { color: var(--indigo); background: rgba(91,91,214,.10); }
.ico-amber  { color: var(--amber);  background: rgba(244,168,0,.13); }
.ico-teal   { color: var(--teal);   background: rgba(31,168,156,.12); }
.card h3 { font-family: var(--font-display); font-size: 1.3rem; margin: 0 0 .5rem; }
.card p { font-family: var(--font-read); color: var(--ink-soft); margin: 0; }
.cards-bonus { font-family: var(--font-read); color: var(--ink-soft); text-align: center; max-width: 60ch; margin: 1.8rem auto 0; }
.cards-bonus strong { color: var(--ink); }

/* Demo: las 3 caras del camaleón */
.demos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.demo-card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 1.8rem 1.5rem; display: flex; flex-direction: column; gap: .5rem; }
.demo-tag { align-self: flex-start; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--indigo); background: rgba(91,91,214,.10); padding: .25rem .7rem; border-radius: 999px; }
.demo-card h3 { font-family: var(--font-display); font-size: 1.5rem; margin: .2rem 0 0; }
.demo-card p { font-family: var(--font-read); color: var(--ink-soft); margin: 0 0 1rem; }
.demo-card .btn { margin-top: auto; align-self: flex-start; }

/* Responsive de rejillas (8 características, 3 demos, 3 precios) */
@media (max-width: 980px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .demos, .pricing { grid-template-columns: 1fr; }
}
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }

/* Precios */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; align-items: start; }
.plan {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  padding: 2rem 1.6rem; display: flex; flex-direction: column; gap: .6rem;
}
.plan--featured { border-color: var(--coral); box-shadow: 0 18px 40px -22px var(--coral); transform: translateY(-6px); }
.plan .badge {
  align-self: flex-start; background: var(--coral); color: #fff;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  padding: .25rem .7rem; border-radius: 999px; margin: 0 0 .2rem;
}
.plan h3 { font-family: var(--font-display); font-size: 1.5rem; margin: 0; }
.plan .price { font-family: var(--font-display); font-size: 2.2rem; color: var(--indigo); margin: .1rem 0; }
.plan .plan-for { color: var(--ink-soft); margin: 0 0 .6rem; }
.plan ul { list-style: none; padding: 0; margin: 0 0 1.2rem; display: flex; flex-direction: column; gap: .45rem; }
.plan li { position: relative; padding-left: 1.4rem; color: var(--ink); }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }
.plan .btn { margin-top: auto; }

/* CTA final */
.cta-final { max-width: var(--maxw); margin: 0 auto; padding: 4rem 1.5rem 5rem; text-align: center; }
.btn-lg { font-size: 1.15rem; padding: 1.1rem 2rem; margin-top: 1rem; }

/* ---------- Efectos (catálogo, portados de vivawebs) ---------- */
.anim-fade-up { opacity: 0; transform: translateY(30px); transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1); }
.anim-fade-up.is-visible { opacity: 1; transform: translateY(0); }
.anim-stagger > * { opacity: 0; transform: translateY(20px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.anim-stagger.is-visible > * { opacity: 1; transform: translateY(0); }
.anim-stagger.is-visible > *:nth-child(1) { transition-delay: .05s; }
.anim-stagger.is-visible > *:nth-child(2) { transition-delay: .15s; }
.anim-stagger.is-visible > *:nth-child(3) { transition-delay: .25s; }
.anim-stagger.is-visible > *:nth-child(4) { transition-delay: .35s; }
.anim-stagger.is-visible > *:nth-child(5) { transition-delay: .45s; }
.anim-stagger.is-visible > *:nth-child(6) { transition-delay: .55s; }
.anim-stagger.is-visible > *:nth-child(7) { transition-delay: .65s; }
.anim-stagger.is-visible > *:nth-child(8) { transition-delay: .75s; }
.anim-stagger.is-visible > *:nth-child(9) { transition-delay: .85s; }
.anim-tilt { transition: transform .2s ease-out; transform-style: preserve-3d; will-change: transform; }
.anim-magnetic { transition: transform .15s ease-out; will-change: transform; }
@media (prefers-reduced-motion: reduce) {
  [class*="anim-"], .anim-stagger > * { animation: none !important; transition: none !important; transform: none !important; opacity: 1 !important; }
}

/* ---------- Páginas legales ---------- */
.legal { max-width: 760px; margin: 1.5rem auto 4rem; padding: 0 1.5rem; }
.legal h1 { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -.02em; margin: 1rem 0 1.5rem; }
.legal h2 { font-family: var(--font-display); font-size: 1.4rem; margin: 2.2rem 0 .6rem; }
.legal p, .legal li { font-family: var(--font-read); color: var(--ink-soft); line-height: 1.75; }
.legal strong { color: var(--ink); }
.legal ul { padding-left: 1.2rem; }
.legal li { margin-bottom: .4rem; }
.legal a { color: var(--coral); }
.footer-legal { display: flex; gap: 1.3rem; justify-content: center; flex-wrap: wrap; margin-bottom: .8rem; }
.footer-legal a { color: var(--ink-soft); text-decoration: none; font-size: .9rem; }
.footer-legal a:hover { color: var(--ink); text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem; padding: 2rem 1.5rem;
  text-align: center; color: var(--ink-soft); font-size: .9rem;
}
.site-footer a { color: var(--coral); }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .site-nav { gap: 1rem; }
  .site-nav a:not(.btn) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}