/* DAIA CABA — Asymmetric Corporate Pro layout (faithful to refs) */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: var(--fw-regular) var(--fs-body)/var(--lh-body) var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
h1, h2, h3, h4, p, ul, figure { margin: 0; }
ul { list-style: none; padding: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
section[id], footer[id], [id="agentes"], [id="proyectos"] { scroll-margin-top: var(--header-h); }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--bg); padding: .75rem 1rem; z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

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

/* Guías verticales de página (refs: pasan por hero y grilla, tapadas por paneles opacos) */
body::before {
  content: "";
  position: fixed;
  top: 0; bottom: 0;
  left: 50%;
  width: min(100%, var(--container));
  transform: translateX(-50%);
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(var(--line), var(--line)), linear-gradient(var(--line), var(--line));
  background-size: 1px 100%;
  background-position: 37.5% 0, 75% 0;
  background-repeat: no-repeat;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(24, 27, 33, .04); }
.site-header__inner {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: clamp(1.5rem, 2.5vw, 2.5rem);
}

.mark {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.mark__logo {
  width: auto;
  height: 42px;
}

.nav { margin-left: auto; }
.nav ul { display: flex; align-items: center; gap: clamp(1.5rem, 3.2vw, 3.5rem); }
.nav a {
  display: block;
  font-size: var(--fs-nav);
  font-weight: var(--fw-regular);
  color: var(--ink);
  opacity: .8;
  transition: opacity var(--dur) var(--ease);
}
.nav a:hover { opacity: 1; }

.site-header__sep {
  width: 1px;
  height: 58px;
  background: var(--line);
  flex-shrink: 0;
}

.cta-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 8.75rem;
  height: 3.125rem;
  padding: 0 1.75rem;
  border-radius: var(--pill);
  background: var(--accent);
  color: var(--ink);
  font-size: var(--fs-nav);
  font-weight: var(--fw-bold);
  flex-shrink: 0;
  transition: box-shadow var(--dur) var(--ease);
}
.cta-pill:hover { box-shadow: 0 10px 30px rgba(24, 27, 33, .1); }

/* Hover "liquid" de caracteres (demo: btnHoverTxtLiquidX / Y, .6s, 32.5ms por char) */
.liquid-char { display: inline-block; white-space: pre; }
@keyframes btnHoverTxtLiquidX {
  50% { opacity: 0; transform: translateX(-.3em); }
  51% { opacity: 0; transform: translateX(.3em); }
  100% { opacity: 1; transform: translateX(0); }
}
@keyframes btnHoverTxtLiquidY {
  50% { opacity: 0; transform: translateY(.3em); }
  51% { opacity: 0; transform: translateY(-.3em); }
  100% { opacity: 1; transform: translateY(0); }
}
[data-liquid="x"]:hover .liquid-char { animation: btnHoverTxtLiquidX .6s var(--ease-expo) calc(var(--i) * 32.5ms) both; }
[data-liquid="y"]:hover .liquid-char { animation: btnHoverTxtLiquidY .6s var(--ease-expo) calc(var(--i) * 32.5ms) both; }

.burger {
  display: none;
  width: 44px; height: 44px;
  place-content: center;
  background: none; border: 0; cursor: pointer; gap: 6px;
  margin-left: auto;
}
.burger span {
  display: block; width: 22px; height: 2px; background: var(--ink);
  transition: transform var(--dur) var(--ease);
}

/* ========== SCROLL INDICATOR ========== */
.scroll-ind {
  position: fixed;
  top: 50%;
  right: 1.5rem;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1rem;
  writing-mode: vertical-lr;
  transform: translateY(-50%);
  color: var(--ink);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: .01em;
  transition: opacity .5s var(--ease), visibility 0s linear .5s;
}
.scroll-ind.is-hidden { opacity: 0; visibility: hidden; }
.scroll-ind:not(.is-hidden) { transition: opacity .5s var(--ease); }
.scroll-ind__line {
  position: relative;
  width: 1px;
  height: 60px;
  background: rgba(0, 0, 0, .3);
}
.scroll-ind__dot {
  position: absolute;
  top: -4px; left: -4px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: currentColor;
  will-change: transform;
}

/* ========== HERO ========== */
.hero {
  padding-block: clamp(2.75rem, 4vw, 3.25rem) clamp(3.5rem, 5vw, 4.25rem);
}
.hero__copy {
  max-width: 62rem;
  perspective: 1400px;
}
.badge {
  display: inline-block;
  background: var(--accent);
  color: var(--ink);
  font-size: var(--fs-badge);
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: var(--tr-badge);
  text-transform: uppercase;
  padding: .45rem .65rem;
  margin-bottom: 1.4rem;
}
.hero__title {
  font-size: var(--fs-hero);
  font-weight: var(--fw-bold);
  line-height: var(--lh-hero);
  letter-spacing: var(--tr-tight);
  margin-bottom: 1.4rem;
  text-wrap: balance;
}
.hero__sub {
  font-size: var(--fs-lead);
  color: var(--muted);
  line-height: 1.5;
  max-width: 38rem;
}

/* ========== HERO SPLIT ========== */
.hero-split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  min-height: clamp(26rem, 50vw, 40rem);
}
.hero-split__media,
.mid__photo,
.mid__portrait-media {
  position: relative;
  overflow: hidden;
  background: #e4e4e4;
}
.hero-split__media img,
.mid__photo img,
.mid__portrait-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-split__panel {
  background: var(--bg-soft);
  padding: clamp(3rem, 5vw, 4.5rem) clamp(2rem, 4.7vw, 3.75rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.kicker {
  font-size: .9375rem;
  font-weight: var(--fw-medium);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero-split__title {
  font-size: clamp(1.625rem, 1.1rem + 1.2vw, 2.125rem);
  font-weight: var(--fw-medium);
  line-height: var(--lh-heading);
  letter-spacing: -0.015em;
  max-width: 16em;
  margin-bottom: 1.25rem;
  text-wrap: balance;
}
.hero-split__body {
  color: var(--muted);
  font-size: 1.0625rem;
  max-width: 28rem;
}
.plus-link {
  margin-top: 2rem;
  width: 2.75rem;
  height: 2.75rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-size: 1.25rem;
  line-height: 1;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.plus-link:hover { background: var(--ink); color: var(--bg); }
.plus-link__icon { display: inline-block; transition: transform .45s var(--ease); }
.plus-link:hover .plus-link__icon { transform: rotate(90deg); }

/* ========== MID ASYMMETRIC GRID ========== */
.mid {
  display: grid;
  grid-template-columns: 1.42fr 1fr;
}
.mid__left {
  display: flex;
  flex-direction: column;
}
.mid__intro {
  padding: clamp(3rem, 5vw, 4.25rem) clamp(1.5rem, 4.7vw, 3.75rem);
}
.mid__headline {
  font-size: var(--fs-h2);
  font-weight: var(--fw-medium);
  line-height: var(--lh-heading);
  letter-spacing: -0.02em;
  max-width: 15em;
  margin-bottom: 1.5rem;
  text-wrap: balance;
}
.mid__body {
  color: var(--muted);
  font-size: var(--fs-body);
  max-width: 31rem;
  line-height: 1.7;
}
.mid__nested {
  display: grid;
  grid-template-columns: 1fr 1fr;
  flex: 1;
  min-height: 20rem;
  border-top: 1px solid var(--line);
}
.mid__card {
  padding: clamp(2rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.mid__card-title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-medium);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 1.1rem;
  text-wrap: balance;
}
.mid__card-body {
  color: var(--muted);
  font-size: .9375rem;
}

.mid__portrait {
  position: relative;
  display: grid;
  min-height: 34rem;
  background: var(--bg-panel);
}
.mid__portrait-media img { object-position: center 20%; }
.mid__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 2.5rem 1.5rem 1.25rem;
  background: linear-gradient(transparent, rgba(0,0,0,.5));
  color: #fff;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: .02em;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--footer-bg);
  color: #fff;
  padding-top: clamp(4rem, 6vw, 5rem);
  padding-bottom: 2.5rem;
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}
.site-footer__top .mark__logo { height: 48px; }
.site-footer__collab {
  font-size: clamp(1.25rem, 1rem + .8vw, 1.625rem);
  font-weight: var(--fw-medium);
  line-height: 1.3;
  color: var(--footer-text);
  max-width: 30rem;
}
.site-footer__collab a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color var(--dur) var(--ease);
}
.site-footer__collab a:hover { color: #fff; }
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2.25rem;
  padding: .85rem 2rem;
  background: #fff;
  color: var(--ink);
  font-size: 1.0625rem;
  border-radius: var(--radius-btn);
  white-space: nowrap;
  transition: box-shadow var(--dur) var(--ease);
}
.btn-white:hover { box-shadow: 0 10px 30px rgba(0, 0, 0, .35); }

.site-footer__mid {
  display: grid;
  grid-template-columns: 40fr 12fr 23fr 25fr;
  align-items: start;
}
.mail-row {
  grid-column: 1;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--footer-line);
  padding-bottom: .9rem;
  transition: border-color var(--dur) var(--ease);
}
.mail-row:focus-within { border-color: #fff; }
.mail-row__input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: #fff;
  font: inherit;
  font-size: .9375rem;
  padding: .35rem 0;
}
.mail-row__input::placeholder { color: #fff; opacity: .85; }
.mail-row__btn {
  background: none;
  border: 0;
  color: #fff;
  cursor: pointer;
  padding: .25rem;
  display: grid;
  place-items: center;
  opacity: .8;
  transition: opacity var(--dur) var(--ease);
}
.mail-row__btn:hover { opacity: 1; }

.foot-col:nth-of-type(1) { grid-column: 3; }
.foot-col:nth-of-type(2) { grid-column: 4; }
.foot-col__title {
  font-size: .875rem;
  font-weight: var(--fw-medium);
  margin-bottom: 1.25rem;
}
.foot-col li {
  color: var(--footer-muted);
  font-size: .9375rem;
  margin-bottom: .45rem;
}
.foot-col a { transition: color var(--dur) var(--ease); }
.foot-col a:hover { color: #fff; }

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: clamp(3.5rem, 6vw, 5rem);
  font-size: .9375rem;
  color: var(--footer-muted);
}
.site-footer__links { display: flex; gap: 2.75rem; }
.site-footer__links a { transition: color var(--dur) var(--ease); }
.site-footer__links a:hover { color: #fff; }

/* ========== MOTION (estado inicial; GSAP anima desde acá) ==========
   Oculto solo cuando hay JS + motion permitido y no se activó la red de seguridad. */
.motion:not(.anim-off) [data-anim] { opacity: 0; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1100px) {
  .site-header__sep { display: none; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  body::before, .scroll-ind { display: none; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    margin: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 1.75rem;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear var(--dur);
  }
  .nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .nav a { padding: .8rem 0; font-size: 1.125rem; opacity: 1; border-bottom: 1px solid var(--line); }
  .nav li:last-child a { border-bottom: 0; }
  .burger { display: grid; }
  .cta-pill { display: none; }
  .burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

  .hero-split { grid-template-columns: 1fr; min-height: 0; }
  .hero-split__media { aspect-ratio: 4 / 3; }
  .hero-split__panel { padding: 3rem var(--gutter); }

  .mid { grid-template-columns: 1fr; }
  .mid__intro { padding: 3.5rem var(--gutter); }
  .mid__portrait { min-height: 0; aspect-ratio: 4 / 5; max-height: 80vh; }

  .site-footer__top { grid-template-columns: 1fr; gap: 2.5rem; padding-bottom: 3.5rem; }
  .site-footer__mid { grid-template-columns: 1fr 1fr; gap: 3rem 2rem; }
  .mail-row { grid-column: 1 / -1; }
  .foot-col:nth-of-type(1) { grid-column: 1; }
  .foot-col:nth-of-type(2) { grid-column: 2; }
}

@media (max-width: 600px) {
  .mid__nested { grid-template-columns: 1fr; }
  .mid__photo { aspect-ratio: 4 / 3; }
  .mid__card { padding: 2.5rem var(--gutter) 3rem; }
  .site-footer__mid { grid-template-columns: 1fr; }
  .foot-col:nth-of-type(n) { grid-column: 1; }
  .site-footer__links { gap: 1.5rem; }
}

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