/* =========================================================================
   Gular — Landing provisoria · dirección "espacio real / cinematográfico"
   Monocromático cálido sobre negro. El color lo pone la nebulosa, no la UI.
   ========================================================================= */

:root {
  /* Espacio profundo (casi negro, sin azul dominante) */
  --space: #03040b;
  --background: #06070d;
  --surface: rgba(243, 239, 230, 0.035);
  --text: #f3efe6;       /* blanco cálido */
  --secondary: #cac4b6;
  --muted: #847f73;
  --line: rgba(243, 239, 230, 0.14);
  --line-soft: rgba(243, 239, 230, 0.08);
  --highlight: #fffdf7;  /* blanco "iluminado" para énfasis (reemplaza al verde) */
  --inverse: #06070d;

  --font-display: "Archivo", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --text-display: clamp(2.9rem, 10vw, 9rem);
  --text-heading: clamp(2.1rem, 5vw, 4.25rem);

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-cinematic: cubic-bezier(0.83, 0, 0.17, 1);

  --gutter: clamp(1.25rem, 4.5vw, 3rem);
  --section-gap: clamp(7rem, 16vh, 12rem);
  --nav-h: 76px;
}

* { box-sizing: border-box; }

html {
  background:
    radial-gradient(135% 110% at 68% 28%, #0c0b13 0%, var(--space) 58%),
    var(--space);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Grano fílmico sutil (mata el banding, suma textura premium) */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 5;
  pointer-events: none; opacity: .5; mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
}

/* Fallback de estrellas por CSS cuando NO hay WebGL */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.7), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.5), transparent),
    radial-gradient(1.5px 1.5px at 40% 80%, rgba(255,255,255,.6), transparent),
    radial-gradient(1px 1px at 85% 25%, rgba(255,255,255,.5), transparent),
    radial-gradient(1px 1px at 55% 15%, rgba(255,255,255,.4), transparent);
  opacity: 0; transition: opacity .8s ease;
}
html[data-webgl="off"] body::before { opacity: 1; }

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 700; }

::selection { background: var(--highlight); color: var(--inverse); }
:focus-visible { outline: 2px solid var(--highlight); outline-offset: 3px; }

.space-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; pointer-events: none; }
main, .nav, .footer { position: relative; z-index: 10; }

/* =========================================================================
   Isotipo "g" de Gular (máscara SVG; la cola gira como tornamesa)
   ========================================================================= */
.iso { display: block; position: relative; aspect-ratio: 164 / 255; perspective: 600px; }
.iso__top, .iso__tail {
  position: absolute; inset: 0; background-color: var(--text);
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-position: center; mask-position: center;
  -webkit-mask-size: contain; mask-size: contain;
}
.iso__top { -webkit-mask-image: url("../img/isomenu-top.svg"); mask-image: url("../img/isomenu-top.svg"); }
.iso__tail {
  -webkit-mask-image: url("../img/isomenu-tail.svg"); mask-image: url("../img/isomenu-tail.svg");
  transform-origin: 45% 76%; animation: iso-spin 6s linear infinite;
}
@keyframes iso-spin { from { transform: rotateX(58deg) rotateZ(0deg); } to { transform: rotateX(58deg) rotateZ(360deg); } }

/* =========================================================================
   Intro / ceremonia
   ========================================================================= */
.intro {
  position: fixed; inset: 0; z-index: 90;
  background: var(--space);
  display: grid; place-content: center;
  transition: opacity 1s var(--ease-out-expo), visibility 1s;
}
.intro.is-hidden { opacity: 0; visibility: hidden; }
.intro__stage { position: relative; display: grid; place-items: center; width: min(90vw, 780px); min-height: 42vh; }
.intro__beat { grid-area: 1 / 1; opacity: 0; transform: translateY(10px); transition: opacity .7s var(--ease-out-expo), transform 1s var(--ease-out-expo); }
.intro__g .iso { width: clamp(66px, 13vw, 132px); }
.intro__word { margin: 0; text-align: center; font-family: var(--font-display); font-weight: 800; color: var(--text); font-size: clamp(2rem, 7vw, 5rem); line-height: 1; letter-spacing: -0.03em; }
.intro__word--singular { font-weight: 700; letter-spacing: .14em; }
.intro[data-step="g1"] .intro__g,
.intro[data-step="g2"] .intro__g,
.intro[data-step="frase"] [data-beat="frase"],
.intro[data-step="singular"] [data-beat="singular"] { opacity: 1; transform: none; }

body.intro-lock { overflow: hidden; }


/* =========================================================================
   Navegación
   ========================================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--gutter); z-index: 50;
  transition: background .4s ease, backdrop-filter .4s ease, border-color .4s ease;
  border-bottom: 1px solid transparent;
}
.nav[data-scrolled] { background: rgba(3, 4, 11, 0.55); backdrop-filter: blur(14px); border-bottom-color: var(--line-soft); }
.nav__brand img { width: 84px; height: auto; }

/* Botón de menú = isotipo "g" (la cola gira como tornamesa). Aparece al terminar la intro. */
.nav__menu {
  background: none; border: 0; cursor: pointer; padding: 6px; line-height: 0;
  width: clamp(36px, 4.2vw, 48px);
  opacity: 0; transition: transform .4s var(--ease-out-expo), opacity .5s;
}
html.intro-done .nav__menu { opacity: .9; }
.nav__menu:hover { opacity: 1; transform: scale(1.08); }
.nav__menu .iso { width: 100%; }

/* Overlay de menú */
.menu {
  position: fixed; inset: 0; z-index: 45;
  background: rgba(3, 4, 11, 0.9); backdrop-filter: blur(18px);
  display: grid; place-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity .5s var(--ease-out-expo), visibility .5s;
}
.menu[data-open] { opacity: 1; visibility: visible; }
.menu__links { display: flex; flex-direction: column; gap: clamp(.6rem, 2.2vw, 1.3rem); text-align: center; }
.menu__links a {
  font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em;
  font-size: clamp(2.25rem, 8vw, 4.5rem); line-height: 1.02; color: var(--secondary);
  opacity: 0; transform: translateY(18px);
  transition: color .3s, opacity .55s var(--ease-out-expo), transform .55s var(--ease-out-expo);
}
.menu[data-open] .menu__links a { opacity: 1; transform: none; }
.menu__links a:hover { color: var(--text); }
.menu[data-open] .menu__links a:nth-child(1) { transition-delay: .06s; }
.menu[data-open] .menu__links a:nth-child(2) { transition-delay: .12s; }
.menu[data-open] .menu__links a:nth-child(3) { transition-delay: .18s; }
.menu[data-open] .menu__links a:nth-child(4) { transition-delay: .24s; }

/* =========================================================================
   Utilidades
   ========================================================================= */
.eyebrow { font-size: .72rem; letter-spacing: .28em; text-transform: uppercase; color: var(--muted); margin: 0 0 1.5rem; }
.section-label { font-size: .72rem; letter-spacing: .28em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 1rem; }
.section-title { font-size: var(--text-heading); line-height: 1.02; letter-spacing: -0.025em; font-weight: 700; }
.section-sub { color: var(--muted); max-width: 46ch; margin: 1rem 0 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .9rem 1.8rem; border-radius: 999px; font-weight: 600; font-size: .9rem;
  letter-spacing: .01em; cursor: pointer; border: 1px solid transparent;
  transition: transform .3s var(--ease-out-expo), background .3s, color .3s, border-color .3s;
}
.btn:hover { transform: translateY(-2px); }
.btn--solid { background: var(--highlight); color: var(--inverse); }
.btn--solid:hover { background: #fff; }
.btn--ghost { border-color: var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--text); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease-out-expo), transform 1s var(--ease-out-expo); }
.reveal.is-in { opacity: 1; transform: none; }

/* =========================================================================
   1 · HERO
   ========================================================================= */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--nav-h) var(--gutter) 0;
}
.hero__inner { max-width: 64rem; }
.hero__title {
  font-size: var(--text-display); line-height: .92; letter-spacing: -0.04em; font-weight: 800;
  margin: 0 0 1.75rem;
}
.hero__title .accent {
  color: var(--highlight);
  text-shadow: 0 0 40px rgba(255, 253, 247, 0.35), 0 0 80px rgba(255, 253, 247, 0.18);
}
.hero__lead { font-size: clamp(1.05rem, 1.8vw, 1.45rem); color: var(--secondary); max-width: 44ch; line-height: 1.5; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.75rem; }
.hero__scroll { position: absolute; bottom: 2rem; left: var(--gutter); display: flex; align-items: center; gap: .7rem; font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.hero__scroll span { width: 1px; height: 40px; background: linear-gradient(var(--text), transparent); animation: scrollLine 2.2s var(--ease-cinematic) infinite; }
@keyframes scrollLine { 0% { opacity: 0; transform: scaleY(0); transform-origin: top; } 50% { opacity: 1; transform: scaleY(1); transform-origin: top; } 100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; } }

/* =========================================================================
   2 · PROYECTOS (carrusel por scroll, piezas que escalan hacia el centro)
   ========================================================================= */
.projects { position: relative; }
.projects__pin {
  position: sticky; top: 0; height: 100svh;
  display: flex; flex-direction: column; justify-content: center; overflow: hidden;
  padding: var(--nav-h) 0 0;
}
.projects__head { padding: 0 var(--gutter); margin-bottom: clamp(1.5rem, 4vh, 3rem); }
.track { display: flex; align-items: center; gap: clamp(1.5rem, 3vw, 3rem); padding: 0 max(var(--gutter), calc(50vw - 300px)); will-change: transform; }

.work {
  flex: 0 0 min(82vw, 600px);
  transition: opacity .5s var(--ease-out-expo), transform .5s var(--ease-out-expo);
  transform: scale(.9); opacity: .4; /* JS ajusta según cercanía al centro */
}
.work__media {
  aspect-ratio: 4 / 3; overflow: hidden; background: #060710;
  border: 1px solid var(--line); border-radius: 4px;
  position: relative;
}
.work__media::after { /* degradado inferior para apoyar el índice */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(3,4,11,.55), transparent 42%);
}
.work__media img, .work__media video { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out-expo); }
.work:hover .work__media img, .work:hover .work__media video { transform: scale(1.04); }
.work__index { position: absolute; left: 1rem; bottom: .75rem; z-index: 2; font-family: var(--font-display); font-size: .8rem; letter-spacing: .1em; color: var(--text); opacity: .85; }
.work__meta { padding: 1.25rem .25rem 0; display: flex; flex-direction: column; gap: .5rem; }
.work__label { font-size: .68rem; letter-spacing: .26em; text-transform: uppercase; color: var(--muted); }
.work__name { font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.05; letter-spacing: -0.02em; }
.work__desc { color: var(--secondary); margin: .15rem 0 0; font-size: .98rem; max-width: 42ch; }
.work__caps { font-size: .78rem; color: var(--muted); letter-spacing: .02em; margin-top: .35rem; }

.track__progress { height: 1px; background: var(--line-soft); margin: clamp(1.5rem,4vh,3rem) var(--gutter) 0; }
.track__progress span { display: block; height: 1px; width: 0; background: var(--text); transition: width .1s linear; }

/* Fallback táctil (móvil / reduce-motion): swipe nativo */
.projects[data-native] { height: auto !important; }
.projects[data-native] .projects__pin { position: static; height: auto; padding: var(--section-gap) 0; }
.projects[data-native] .track { overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; padding: 0 var(--gutter) 1rem; }
.projects[data-native] .work { scroll-snap-align: center; transform: none; opacity: 1; }
.projects[data-native] .track__progress { display: none; }

/* =========================================================================
   3 · CAPACIDADES
   ========================================================================= */
.caps { padding: var(--section-gap) var(--gutter); max-width: 1240px; margin: 0 auto; }
.caps__grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  margin-top: clamp(2.5rem, 6vh, 4rem);
  border-top: 1px solid var(--line);
}
.cap { padding: clamp(1.75rem, 4vw, 3rem) clamp(1.25rem,3vw,2.5rem); border-bottom: 1px solid var(--line); min-height: 220px; position: relative; }
.cap:nth-child(odd) { border-right: 1px solid var(--line); }
.cap__num { color: var(--muted); font-family: var(--font-display); font-size: .78rem; letter-spacing: .12em; }
.cap h3 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); margin: .6rem 0 .9rem; letter-spacing: -0.01em; }
.cap p { color: var(--muted); margin: 0; max-width: 40ch; }

/* =========================================================================
   4 · GULAR (nosotros)
   ========================================================================= */
.about { padding: var(--section-gap) var(--gutter); display: grid; place-items: center; text-align: center; }
.about__inner { max-width: 52rem; }
.about__title { font-size: var(--text-heading); line-height: 1.06; letter-spacing: -0.025em; }
.about__text { color: var(--secondary); font-size: clamp(1.05rem, 2vw, 1.35rem); margin-top: 1.75rem; line-height: 1.5; }

/* =========================================================================
   5 · CONTACTO
   ========================================================================= */
.contact { padding: var(--section-gap) var(--gutter) calc(var(--section-gap) / 1.6); max-width: 1160px; margin: 0 auto; }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact__direct { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.25rem; }
.contact__form { display: flex; flex-direction: column; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: .45rem; }
.field label { font-size: .78rem; letter-spacing: .04em; color: var(--secondary); }
.field input, .field textarea { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; color: var(--text); font: inherit; padding: .85rem 1rem; resize: vertical; transition: border-color .25s; }
.field input:focus, .field textarea:focus { border-color: var(--text); outline: none; }
.contact__form .btn { align-self: flex-start; margin-top: .5rem; }
.form__note { font-size: .9rem; color: var(--muted); min-height: 1.2em; margin: .25rem 0 0; }
.form__note[data-state="ok"] { color: var(--highlight); }
.form__note[data-state="err"] { color: #ff8e8e; }

/* =========================================================================
   Footer
   ========================================================================= */
.footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding: 3rem var(--gutter); border-top: 1px solid var(--line-soft); color: var(--muted); font-size: .85rem; letter-spacing: .02em; }
.footer img { width: 60px; height: auto; opacity: .8; }

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 860px) {
  .caps__grid { grid-template-columns: 1fr; }
  .cap:nth-child(odd) { border-right: 0; }
  .contact__grid { grid-template-columns: 1fr; }
  .work { flex: 0 0 82vw; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .work { opacity: 1; transform: none; }
  .hero__scroll span { animation: none; }
  .iso__tail { animation: none; transform: rotateX(58deg) rotateZ(25deg); }
  .intro__beat { transition: none; }
  body::after { display: none; }
}