/* ============================================================
   EQUIPO VN12 — DGPC · Cátedra Ocampo
   Color system:
     Black russian     #000029
     Alucard night     #000051
     Palatinate blue   #173DED
     Grey placidity    #DCDEE2
     Baby grey         #BABABA
   Fonts: Sora (display) · Encode Sans (lectura)
   ============================================================ */

:root {
  --c-black-russian: #000029;
  --c-alucard-night: #000051;
  --c-palatinate:    #173DED;
  --c-grey-placidity:#DCDEE2;
  --c-baby-grey:     #BABABA;

  --bg:        var(--c-black-russian);
  --bg-2:      var(--c-alucard-night);
  --accent:    var(--c-palatinate);
  --ink:       var(--c-grey-placidity);
  --muted:     var(--c-baby-grey);

  --font-display: "Sora", system-ui, sans-serif;
  --font-body:    "Encode Sans", system-ui, sans-serif;

  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --nav-h: 84px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, dl { margin: 0; padding: 0; }
li { list-style: none; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Tipografía base ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(.66rem, 1.1vw, .78rem);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  background: rgba(0, 0, 41, .55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(220, 222, 226, .10);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav__logo {
  width: 46px;
  height: auto;
  filter: brightness(0) invert(1);
}
.nav__brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .82rem;
  line-height: 1.02;
  letter-spacing: .14em;
  color: var(--ink);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
}
.nav__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 6px 2px;
  position: relative;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.nav__link:hover::after { transform: scaleX(1); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 40px) var(--gutter) clamp(40px, 8vh, 90px);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 80% 0%, rgba(23, 61, 237, .28), transparent 60%),
    var(--bg);
}
.hero__waves {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
}

.hero__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
  border-bottom: 1px solid rgba(220, 222, 226, .18);
  padding-bottom: 18px;
  margin-bottom: clamp(20px, 5vh, 48px);
}
.eyebrow--right { color: var(--accent); }

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(6rem, 30vw, 24rem);
  line-height: .82;
  letter-spacing: -.03em;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
}
.hero__title-a { color: var(--ink); }
.hero__title-b { color: var(--accent); }

.hero__foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: clamp(24px, 5vh, 52px);
}
.hero__lead {
  max-width: 46ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(.92rem, 1.3vw, 1.05rem);
}
.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}
.hero__scroll-arrow {
  display: inline-grid;
  place-items: center;
  width: 34px; height: 34px;
  border: 1px solid rgba(220, 222, 226, .4);
  border-radius: 50%;
  animation: bob 1.8s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

/* ============================================================
   EQUIPO
   ============================================================ */
.team { background: var(--bg-2); }
.team__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.member {
  position: relative;
  aspect-ratio: 3 / 4.2;
  overflow: hidden;
  border-right: 1px solid rgba(0, 0, 41, .5);
}
.member:last-child { border-right: 0; }

.member__link {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  cursor: pointer;
}
.member__link:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}

.member__photo { position: absolute; inset: 0; }
.member__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05) brightness(.82);
  mix-blend-mode: luminosity;
  transition: transform .6s ease, filter .6s ease;
}
.member::before {
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,41,.15) 0%, rgba(0,0,81,.35) 45%, rgba(0,0,41,.92) 100%);
  mix-blend-mode: multiply;
}
.member:hover .member__photo img {
  transform: scale(1.05);
  filter: grayscale(.35) contrast(1.05) brightness(.9);
}

.member__info {
  position: absolute;
  z-index: 2;
  left: 0; right: 0; bottom: 0;
  padding: clamp(16px, 2vw, 28px);
}
.member__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--accent);
}
.member__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 1.9vw, 1.7rem);
  line-height: 1.02;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 8px 0 8px;
}
.member__role {
  margin: 0;
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.member__cta {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .35s ease, transform .35s ease;
}
.member:hover .member__cta,
.member__link:focus-visible .member__cta {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   FOOTER
   ============================================================ */
.foot {
  position: relative;
  background: var(--c-grey-placidity);
  color: var(--c-black-russian);
  padding: clamp(48px, 9vh, 96px) var(--gutter) 40px;
  overflow: hidden;
}
.foot__cols {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 5vw, 64px);
}
.foot__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0, 0, 41, .18);
}
.foot__row {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 14px;
  padding: 8px 0;
}
.foot__row dt {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(0, 0, 41, .55);
}
.foot__row dd {
  margin: 0;
  font-size: .86rem;
  font-weight: 500;
  color: var(--c-black-russian);
}

.foot__bottom {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: clamp(36px, 6vh, 64px) auto 0;
  padding-top: 28px;
  border-top: 1px solid rgba(0, 0, 41, .18);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}
.foot__logos {
  display: flex;
  align-items: center;
  gap: 28px;
}
.foot__logo { height: 46px; width: auto; }
.foot__logo--fadu { height: 58px; }
.foot__legal {
  margin: 0;
  font-size: .72rem;
  line-height: 1.6;
  color: rgba(0, 0, 41, .62);
  max-width: 62ch;
}

.foot__watermark {
  position: absolute;
  z-index: 0;
  right: var(--gutter);
  bottom: -.18em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(6rem, 20vw, 18rem);
  line-height: 1;
  letter-spacing: -.04em;
  color: rgba(0, 0, 41, .06);
  pointer-events: none;
  user-select: none;
}

/* ============================================================
   REVEAL (estado inicial; GSAP los anima)
   ============================================================ */
[data-reveal], [data-reveal-char] { will-change: transform, opacity; }
.js [data-reveal] { opacity: 0; transform: translateY(24px); }
.js [data-reveal-char] { opacity: 0; transform: translateY(40px); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .team__grid { grid-template-columns: repeat(2, 1fr); }
  .member { aspect-ratio: 3 / 4; }
  .member:nth-child(2) { border-right: 0; }
  .member:nth-child(1), .member:nth-child(2) { border-bottom: 1px solid rgba(0,0,41,.5); }
  .foot__cols { grid-template-columns: 1fr; gap: 32px; }
  .foot__bottom { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  :root { --nav-h: 72px; }
  .nav__logo { width: 38px; }
  .nav__links { gap: 14px; }
  .nav__link { font-size: .68rem; letter-spacing: .1em; }
  .team__grid { grid-template-columns: 1fr; }
  .member {
    aspect-ratio: 16 / 11;
    border-right: 0;
    border-bottom: 1px solid rgba(0,0,41,.5);
  }
  .hero__foot { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__scroll-arrow { animation: none; }
  .js [data-reveal], .js [data-reveal-char] { opacity: 1; transform: none; }
}