/* =========================================================
   conf-ia · landing
   Tokens de marca (brandboard): #FAF9F7 #F3BF65 #EC6788 #8C99E6
   Unbounded Regular → títulos · Figtree → cuerpo
   ========================================================= */
:root {
  --cream: #faf9f7;
  --gold: #f3bf65;
  --pink: #ec6788;
  --peri: #8c99e6;
  --ink: #0b0a0e;
  --ink-2: #16141b;
  --ink-soft: #55525c;
  --line-dark: rgba(250, 249, 247, .16);
  --line-light: rgba(11, 10, 14, .14);
  --grad: linear-gradient(180deg, var(--pink), var(--gold));

  --f-display: 'Unbounded', 'Figtree', system-ui, sans-serif;
  --f-body: 'Figtree', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --gutter: clamp(20px, 5vw, 64px);
  --section-y: clamp(72px, 11vw, 150px);
  --maxw: 1240px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ink); color: var(--cream);
  font-family: var(--f-body); font-size: 1.0625rem; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--cream); color: var(--ink); padding: 10px 16px; border-radius: 999px; transition: top .2s; }
.skip:focus { top: 12px; }
.container { width: 100%; max-width: calc(var(--maxw) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- Tipografía ---------- */
.eyebrow {
  font: 600 .8rem/1.3 var(--f-body); letter-spacing: .16em; text-transform: uppercase;
  color: var(--pink); margin-bottom: 1.25rem; display: flex; align-items: center; gap: .75rem;
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: currentColor; flex: none; }
.eyebrow--light { color: var(--gold); }
.h2 {
  font: 400 clamp(1.65rem, 3.6vw, 3rem)/1.14 var(--f-display); letter-spacing: -.02em;
  text-wrap: balance;
}
.h2--xl { font-size: clamp(1.9rem, 4.8vw, 4rem); }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--ink-soft); max-width: 58ch; margin-top: 1.5rem; }
.lead--light { color: rgba(250, 249, 247, .78); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 48px; padding: .8rem 1.6rem; border-radius: 999px; border: 1.5px solid transparent;
  font: 600 .98rem/1 var(--f-body); cursor: pointer;
  transition: transform .25s var(--ease), background .25s, color .25s, border-color .25s;
}
.btn span { transition: transform .25s var(--ease); }
.btn:hover span { transform: translateX(4px); }
.btn--light { background: var(--cream); color: var(--ink); }
.btn--light:hover { background: var(--gold); }
.btn--ghost { border-color: rgba(250, 249, 247, .55); color: var(--cream); }
.btn--ghost:hover { background: rgba(250, 249, 247, .14); border-color: var(--cream); }
.btn--lg { min-height: 58px; padding-inline: 2.2rem; font-size: 1.05rem; }

/* ---------- Nav ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, backdrop-filter .3s; }
.nav.is-scrolled { background: rgba(11, 10, 14, .78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.nav__bar { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 2rem; }
.nav__logo img { width: 128px; height: auto; }
.nav__links { display: flex; align-items: center; gap: 2.5rem; }
.nav__links ul { display: flex; gap: 2rem; }
.nav__links li a { font-weight: 500; font-size: .95rem; padding: .5rem 0; position: relative; }
.nav__links li a::after {
  content: ''; position: absolute; left: 0; bottom: 2px; height: 2px; width: 100%;
  background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav__links li a:hover::after { transform: scaleX(1); }
.nav__cta { min-height: 44px; padding: .6rem 1.3rem; font-size: .92rem; }
.nav__toggle { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; isolation: isolate; padding: 140px 0 0; }
.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__media > img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 78%; }
.hero__tint {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 10, 14, .62) 0%, rgba(11, 10, 14, .18) 62%, rgba(11, 10, 14, .05) 100%),
    linear-gradient(200deg, rgba(236, 103, 136, .62) 0%, rgba(140, 153, 230, .28) 55%, rgba(243, 191, 101, .5) 100%);
}
.hero__inner { position: relative; display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; padding-bottom: clamp(48px, 8vh, 96px); width: 100%; }
.hero__copy { max-width: 700px; }
.hero__title { font: 400 clamp(2.2rem, 5.6vw, 5rem)/1.04 var(--f-display); letter-spacing: -.03em; text-wrap: balance; }
.hero__text { margin-top: 1.75rem; max-width: 56ch; font-size: clamp(1.02rem, 1.35vw, 1.2rem); color: rgba(250, 249, 247, .92); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.25rem; }


/* ---------- Secciones ---------- */
.section { padding-block: var(--section-y); position: relative; }
.section--light { background: var(--cream); color: var(--ink); }
.section--dark { background: var(--ink); color: var(--cream); }
.section__head { max-width: 820px; margin-bottom: clamp(40px, 6vw, 80px); }
.section__head--center { margin-inline: auto; text-align: center; }
.section__head--center .eyebrow { justify-content: center; }
.section__head--center .lead { margin-inline: auto; }

/* split */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.split--rev { grid-template-columns: .9fr 1.1fr; }
.split__visual { position: relative; }
.photo-arch { margin: 0; position: relative; border-radius: 999px 999px 0 0; overflow: hidden; aspect-ratio: 4 / 5; max-width: 460px; margin-inline: auto; }
.photo-arch img { width: 100%; height: 100%; object-fit: cover; }
.photo-arch--wide { max-width: 520px; }

.tint::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, color-mix(in srgb, var(--tint, var(--pink)) 48%, transparent), color-mix(in srgb, var(--gold) 26%, transparent)); mix-blend-mode: multiply; }
.tint::before { content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(180deg, transparent 55%, rgba(11, 10, 14, .22)); }

.badge { position: absolute; right: clamp(0px, 2vw, 24px); bottom: 8%; background: var(--ink); color: var(--cream); padding: 1.25rem 1.5rem; border-radius: 20px; max-width: 260px; box-shadow: 0 24px 50px -20px rgba(11, 10, 14, .55); display: grid; gap: .3rem; animation: float 7s ease-in-out infinite; }
.badge__k { font: 600 .72rem/1 var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--gold); }
.badge__v { font: 400 1.35rem/1.1 var(--f-display); }
.badge__s { font-size: .85rem; color: rgba(250, 249, 247, .7); line-height: 1.4; }
@keyframes float { 50% { transform: translateY(-8px); } }

.ticks { margin-top: 2rem; display: grid; gap: .9rem; max-width: 56ch; }
.ticks li { position: relative; padding-left: 2rem; }
.ticks li::before { content: ''; position: absolute; left: .3rem; top: .62em; width: 8px; height: 8px; border-radius: 50%; background: var(--pink); }

/* ---------- Pasos ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 44px); align-items: start; }
.step { --tint: var(--pink); --c: var(--pink); }
.step--gold { --tint: var(--gold); --c: var(--gold); }
.step--peri { --tint: var(--peri); --c: var(--peri); }
.step:nth-child(2) { margin-top: clamp(0px, 5vw, 72px); }
.step__media { position: relative; aspect-ratio: 4 / 5; border-radius: 999px 999px 0 0; overflow: hidden; }
.step__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.step:hover .step__media img { transform: scale(1.05); }
.step__body { padding-top: 1.5rem; }
.step__n { display: block; font: 400 clamp(3.5rem, 7vw, 6rem)/1 var(--f-display); color: var(--c); letter-spacing: -.04em; margin-top: -.15em; }
.step__k { font: 600 .8rem/1 var(--f-body); letter-spacing: .16em; text-transform: uppercase; color: var(--c); margin: 1rem 0 .75rem; }
.step__t { font: 400 clamp(1.15rem, 1.7vw, 1.4rem)/1.25 var(--f-display); margin-bottom: .75rem; }
.step__body p:last-child { color: rgba(250, 249, 247, .72); }

/* ---------- CTA final ---------- */
.cta { position: relative; isolation: isolate; overflow: hidden; padding-block: clamp(96px, 14vw, 190px); text-align: center; background: var(--ink); }
.cta__media { position: absolute; inset: 0; z-index: -2; }
.cta__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; }
.cta__tint { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(11, 10, 14, .45), rgba(11, 10, 14, .3)), linear-gradient(200deg, rgba(236, 103, 136, .86), rgba(243, 191, 101, .8)); }
.cta__inner { display: flex; flex-direction: column; align-items: center; max-width: 960px; }
.cta__inner .eyebrow { color: var(--cream); justify-content: center; }
.cta__inner .lead { margin-bottom: 2.5rem; color: rgba(250, 249, 247, .94); }

.footer { background: var(--ink); border-top: 1px solid var(--line-dark); padding-block: 2.5rem; }
.footer__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; }
.footer img { width: 112px; }
.footer p { font-size: .88rem; color: rgba(250, 249, 247, .6); }

/* ---------- Reveal ---------- */
.js-reveal .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js-reveal .reveal.is-in { opacity: 1; transform: none; }
.js-reveal .steps .reveal:nth-child(2) { transition-delay: .1s; }
.js-reveal .steps .reveal:nth-child(3) { transition-delay: .2s; }
.js-reveal .steps .reveal:nth-child(4) { transition-delay: .3s; }
.js-reveal .steps .reveal:nth-child(5) { transition-delay: .4s; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  /* nav → menú */
  .nav.is-open { background: var(--ink); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .nav__toggle { display: grid; place-items: center; width: 48px; height: 48px; margin-right: -10px; background: none; border: 0; cursor: pointer; color: var(--cream); }
  .nav__burger, .nav__burger::before { display: block; width: 24px; height: 2px; background: currentColor; transition: transform .3s var(--ease); }
  .nav__burger { position: relative; }
  .nav__burger::before { content: ''; position: absolute; top: 7px; left: 0; }
  .nav__burger::after { content: ''; position: absolute; top: -7px; left: 0; width: 24px; height: 2px; background: currentColor; transition: transform .3s var(--ease); }
  .nav.is-open .nav__burger { background: transparent; }
  .nav.is-open .nav__burger::before { transform: translateY(-7px) rotate(-45deg); }
  .nav.is-open .nav__burger::after { transform: translateY(7px) rotate(45deg); }
  .nav__links { position: fixed; inset: 76px 0 0; flex-direction: column; align-items: stretch; justify-content: space-between; gap: 2rem; padding: 2rem var(--gutter) calc(2rem + env(safe-area-inset-bottom)); background: var(--ink); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .3s, transform .3s, visibility .3s; }
  .nav.is-open .nav__links { opacity: 1; visibility: visible; transform: none; }
  .nav__links ul { flex-direction: column; gap: 0; }
  .nav__links li a { display: block; padding: 1.1rem 0; font: 400 1.5rem/1.2 var(--f-display); border-bottom: 1px solid var(--line-dark); }
  .nav__links li a::after { display: none; }
  .nav__cta { min-height: 56px; font-size: 1.05rem; }

  /* hero */
  .hero { padding-top: 110px; }
  .hero__inner { padding-bottom: 56px; }
  .hero__ctas .btn { min-height: 54px; }

  .split, .split--rev { grid-template-columns: 1fr; }
  .split--rev .split__visual { order: 2; }
  .photo-arch { max-width: 360px; }
  .badge { right: 0; }

  .steps { gap: 16px; }
  .step__n { font-size: clamp(2.6rem, 8vw, 3.6rem); }
  .step__t { font-size: 1.05rem; }

}

@media (max-width: 720px) {
  .steps { grid-template-columns: 1fr; gap: 56px; }
  .step:nth-child(2) { margin-top: 0; }
  .step__media { aspect-ratio: 4 / 4.2; max-width: 420px; }
  .step__n { font-size: clamp(3.5rem, 7vw, 6rem); }
  .step__t { font-size: clamp(1.15rem, 1.7vw, 1.4rem); }
}

@media (max-width: 560px) {
  .hero__ctas .btn { flex: 1 1 100%; }
  .section__head--center .eyebrow::before { display: none; }
  .cta .btn { width: 100%; }
  .footer__bar { flex-direction: column; align-items: flex-start; }
}

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