/* ============================================================
   OSCAR TAPIA — PORTAFOLIO
   Sistema de diseño · Editorial / Swiss / Luxury-tech
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Color */
  --ink-0: #0a0a0b;        /* fondo base */
  --ink-1: #101012;        /* superficie */
  --ink-2: #17171a;        /* elevado */
  --paper: #f4f3f0;        /* texto principal / secciones claras */
  --paper-dim: #b9b8b4;    /* texto secundario sobre oscuro */
  --gray: #77767c;         /* muted */
  --line: rgba(244, 243, 240, 0.10);
  --line-strong: rgba(244, 243, 240, 0.22);
  --accent: #ffc400;       /* amarillo dorado (marca personal, CV) — uso quirúrgico, solo sobre oscuro */
  --metal: linear-gradient(115deg, #d9d9de 0%, #f6f6f8 28%, #9a9aa2 52%, #e8e8ec 78%, #b9b9c1 100%);

  /* Tipografía */
  --font-sans: "Instrument Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;

  /* Escala tipográfica */
  --text-xs: 0.6875rem;                            /* 11 — labels */
  --text-sm: 0.875rem;                             /* 14 */
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  --text-lg: clamp(1.25rem, 1.1rem + 0.6vw, 1.625rem);
  --text-xl: clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
  --text-display: clamp(2.5rem, 1.6rem + 4.5vw, 6rem); /* techo 96px */

  /* Ritmo */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6.5rem;
  --space-7: clamp(6rem, 4rem + 8vw, 11rem);  /* respiración entre secciones */

  /* Layout */
  --max-w: 1440px;
  --gutter: clamp(1.25rem, 3vw, 3.5rem);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);   /* expo-out */
  --dur-fast: 320ms;
  --dur-slow: 900ms;

  /* Z-scale semántica */
  --z-nav: 100;
  --z-lightbox: 200;
  --z-cursor: 300;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink-0);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
::selection { background: var(--accent); color: var(--ink-0); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Utilidades de layout ---------- */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--space-7); }
.section--tight { padding-block: var(--space-6); }

/* Kicker: etiqueta editorial de sección */
.kicker {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: var(--space-4);
}
.kicker::before {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: var(--line-strong);
}
.kicker { color: var(--accent); }
/* Sobre fondo claro el amarillo es ilegible: se mantiene oscuro (override en .manifesto). */

.accent-text { color: var(--accent); }

/* ---------- Perfil / Curriculum ---------- */
.profile__grid {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}
@media (min-width: 900px) {
  .profile__grid { grid-template-columns: minmax(280px, 420px) 1fr; gap: var(--space-6); }
}
.profile__photo {
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 4 / 5;
  background: var(--ink-2);
}
.profile__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.8s var(--ease-out), transform 1.2s var(--ease-out);
}
.profile__photo:hover img { filter: grayscale(0%); transform: scale(1.02); }
.profile__body h2 { font-size: var(--text-xl); letter-spacing: -0.02em; margin-bottom: var(--space-3); max-width: 20ch; }
.profile__body .prose { margin-bottom: var(--space-4); }
.profile__cta { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; }
.profile__note { font-size: var(--text-xs); color: var(--gray); letter-spacing: 0.05em; margin-top: var(--space-2); }

/* ---------- Tipografía display ---------- */
h1, h2, h3 { text-wrap: balance; font-weight: 500; line-height: 1.05; }

.display {
  font-size: var(--text-display);
  letter-spacing: -0.03em;
  line-height: 0.98;
}
.display em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.h-xl { font-size: var(--text-xl); letter-spacing: -0.025em; line-height: 1.1; }
.h-lg { font-size: var(--text-lg); letter-spacing: -0.015em; line-height: 1.25; }

.lead {
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--paper-dim);
  max-width: 34ch;
  text-wrap: pretty;
}

.prose { max-width: 65ch; color: var(--paper-dim); text-wrap: pretty; }
.prose strong { color: var(--paper); font-weight: 500; }

.metal-text {
  background: var(--metal);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Navegación ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  padding-block: 1.1rem;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(10, 10, 11, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
}
.nav__logo sup { color: var(--accent); font-size: 0.6em; margin-left: 2px; }
.nav__links { display: flex; gap: var(--space-4); align-items: center; }
.nav__link {
  font-size: var(--text-sm);
  color: var(--paper-dim);
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav__link:hover { color: var(--paper); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }

@media (max-width: 720px) {
  .nav__links { gap: var(--space-3); }
  .nav__link--hide-sm { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--space-6);
  position: relative;
}
.hero__meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.hero h1 { max-width: 18ch; }
.hero__bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-4);
  margin-top: var(--space-5);
  flex-wrap: wrap;
}
.hero__scroll {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.hero__scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 2.4rem;
  background: var(--line-strong);
  animation: scrollPulse 2.2s var(--ease-out) infinite;
}
@keyframes scrollPulse {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
  will-change: transform;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--paper);
  transform: translateY(101%);
  transition: transform var(--dur-fast) var(--ease-out);
  z-index: -1;
  border-radius: inherit;
}
.btn:hover { color: var(--ink-0); border-color: var(--paper); }
.btn:hover::before { transform: translateY(0); }
.btn--solid { background: var(--paper); color: var(--ink-0); border-color: var(--paper); }
.btn--solid::before { background: var(--accent); }
.btn--solid:hover { border-color: var(--accent); }
.btn .arrow { transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Index de trabajo (firma del sitio) ---------- */
.work-index { border-top: 1px solid var(--line); }
.work-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: baseline;
  gap: var(--space-3);
  padding: clamp(1.5rem, 3vw, 2.4rem) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-left var(--dur-fast) var(--ease-out);
}
.work-row:hover { padding-left: 1rem; }
.work-row__num {
  font-size: var(--text-xs);
  color: var(--gray);
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}
.work-row__title {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  font-weight: 500;
  line-height: 1.05;
  transition: color var(--dur-fast) var(--ease-out);
}
.work-row:hover .work-row__title { color: var(--paper); }
.work-row__tag {
  font-size: var(--text-sm);
  color: var(--gray);
}
.work-row__count {
  font-size: var(--text-xs);
  color: var(--gray);
  font-variant-numeric: tabular-nums;
}
.work-row__arrow {
  color: var(--gray);
  transition: transform var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.work-row:hover .work-row__arrow { transform: translate(4px, -4px); color: var(--accent); }

/* Preview flotante que sigue el cursor (solo pointer fino) */
.work-preview {
  position: fixed;
  width: 300px;
  height: 225px;
  pointer-events: none;
  z-index: 50;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out),
              width 500ms var(--ease-out), height 500ms var(--ease-out);
  overflow: hidden;
  border-radius: 4px;
}
.work-preview.is-active { opacity: 1; transform: scale(1); }
.work-preview img {
  width: 100%; height: 100%;
  object-fit: contain; /* la pieza completa, sin recorte */
}
@media (pointer: coarse) { .work-preview { display: none; } }

@media (max-width: 720px) {
  .work-row { grid-template-columns: auto 1fr auto; }
  .work-row__tag { display: none; }
  .work-row__title { font-size: var(--text-lg); }
}

/* ---------- Proyectos destacados ---------- */
.featured { display: grid; gap: var(--space-7); }
.feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.feature__media {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 16 / 10;
  background: var(--ink-2);
}
.feature__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}
.feature:hover .feature__media img { transform: scale(1.04); }
.feature__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  align-items: start;
}
.feature__cat {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.feature__title { font-size: var(--text-xl); letter-spacing: -0.02em; }
.feature__desc { color: var(--paper-dim); max-width: 55ch; }

@media (min-width: 900px) {
  .feature__body { grid-template-columns: 1fr 1.4fr auto; gap: var(--space-4); }
  .feature:nth-child(even) .feature__media { margin-left: 8%; }
  .feature:nth-child(odd) .feature__media { margin-right: 8%; }
}

/* ---------- Manifiesto / Sobre mí ---------- */
.manifesto { background: var(--paper); color: var(--ink-0); }
.manifesto .kicker { color: #8a8983; }
.manifesto .kicker::before { background: rgba(10,10,11,0.25); }
.manifesto .display { max-width: 24ch; }
.manifesto__grid {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-6);
}
@media (min-width: 900px) {
  .manifesto__grid { grid-template-columns: repeat(3, 1fr); }
}
.manifesto__item h3 { font-size: var(--text-base); font-weight: 600; margin-bottom: var(--space-2); }
.manifesto__item p { color: #4c4b47; font-size: var(--text-sm); line-height: 1.7; text-wrap: pretty; }
.manifesto__item .idx {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: #98978f;
  margin-bottom: var(--space-3);
  font-variant-numeric: tabular-nums;
}

/* ---------- Capacidades ---------- */
.caps {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.caps__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--line);
}
@media (min-width: 900px) {
  .caps__row { grid-template-columns: 1fr 2fr; gap: var(--space-5); }
}
.caps__area { font-size: var(--text-lg); letter-spacing: -0.015em; font-weight: 500; }
.caps__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0;
  color: var(--paper-dim);
  font-size: var(--text-sm);
  align-content: center;
}
.caps__list span:not(:last-child)::after {
  content: "·";
  margin-inline: 0.75rem;
  color: var(--gray);
}

/* ---------- Proceso ---------- */
.process { counter-reset: step; }
.process__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--line);
  counter-increment: step;
}
.process__step::before {
  content: "0" counter(step);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--gray);
  padding-top: 0.5rem;
  font-variant-numeric: tabular-nums;
}
.process__step h3 { font-size: var(--text-lg); margin-bottom: var(--space-1); letter-spacing: -0.01em; }
.process__step p { color: var(--paper-dim); max-width: 60ch; font-size: var(--text-sm); line-height: 1.7; }

/* ---------- CTA final ---------- */
.cta { text-align: left; }
.cta .display { max-width: 16ch; margin-bottom: var(--space-5); }
.cta__row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}
.cta__contact {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--paper-dim);
}
.cta__contact a { border-bottom: 1px solid var(--line-strong); transition: border-color var(--dur-fast); padding-bottom: 2px; }
.cta__contact a:hover { border-color: var(--accent); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding-block: var(--space-4);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--gray);
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.footer a:hover { color: var(--paper); }

/* ---------- Página de categoría / galería ---------- */
.gallery {
  columns: 3 320px;
  column-gap: var(--space-3);
}
.gallery__item {
  break-inside: avoid;
  margin-bottom: var(--space-3);
  overflow: hidden;
  border-radius: 4px;
  background: var(--ink-2);
  cursor: zoom-in;
  position: relative;
}
.gallery__item img {
  width: 100%;
  transition: transform 0.9s var(--ease-out), opacity 0.5s var(--ease-out);
  opacity: 0;
}
.gallery__item img.is-loaded { opacity: 1; }
.gallery__item:hover img { transform: scale(1.03); }

/* Modo espécimen (display ads a tamaño nativo, sin zoom) */
.gallery--native {
  columns: unset;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  align-items: flex-start;
}
.gallery--native .gallery__item {
  break-inside: auto;
  margin: 0;
  background: var(--ink-1);
  border: 1px solid var(--line);
  padding: 1.75rem 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  max-width: 100%;
}
.gallery--native .gallery__item img {
  width: auto;
  max-width: min(100%, 88vw);
  transition: none;
}
.gallery--native .gallery__item:hover img { transform: none; }
.gallery__caption {
  font-size: var(--text-xs);
  color: var(--gray);
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

/* ---------- Página de proyecto ---------- */
.project-hero { padding-top: calc(var(--space-7) + 3rem); }
.project-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-3);
  padding-block: var(--space-4);
  border-block: 1px solid var(--line);
  margin-block: var(--space-5);
  font-size: var(--text-sm);
}
.project-meta dt {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.4rem;
}
.project-meta dd { color: var(--paper-dim); }
.project-body { display: grid; gap: var(--space-5); }
.project-body h2 { font-size: var(--text-lg); letter-spacing: -0.01em; }
.project-cover {
  overflow: hidden;
  border-radius: 4px;
  background: var(--ink-2);
  margin-top: var(--space-5);
}
.project-cover img { width: 100%; height: auto; max-height: 78vh; object-fit: contain; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background: rgba(10, 10, 11, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
}
.lightbox.is-open { display: flex; }
.lightbox__content { max-width: min(1200px, 90vw); max-height: 86vh; }
.lightbox__content img { max-height: 86vh; width: auto; max-width: 100%; margin-inline: auto; border-radius: 4px; }
/* Piezas verticales largas (newsletters, OOH vertical): scroll a ancho legible */
.lightbox__content.is-tall { overflow-y: auto; max-height: 88vh; overscroll-behavior: contain; }
.lightbox__content.is-tall img { max-height: none; width: min(680px, 92vw); }
.lightbox__content iframe { width: min(1200px, 90vw); height: 80vh; border: 0; border-radius: 4px; background: var(--ink-2); }
.lightbox__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  padding: 1rem;
  color: var(--paper-dim);
  transition: color var(--dur-fast);
}
.lightbox__btn:hover { color: var(--paper); }
.lightbox__btn--prev { left: var(--space-2); }
.lightbox__btn--next { right: var(--space-2); }
.lightbox__close { position: absolute; top: var(--space-3); right: var(--space-3); transform: none; }
.lightbox__counter {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--gray);
  font-variant-numeric: tabular-nums;
}

/* ---------- Cursor custom (solo pointer fino) ---------- */
.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: width var(--dur-fast) var(--ease-out), height var(--dur-fast) var(--ease-out), opacity var(--dur-fast), background var(--dur-fast), border-color var(--dur-fast);
  opacity: 0;
  border: 1px solid transparent;
}
.cursor.is-visible { opacity: 1; }
.cursor.is-hover { width: 44px; height: 44px; background: transparent; border-color: var(--accent); }
@media (pointer: coarse) { .cursor { display: none !important; } }

/* ---------- Reveal on scroll (a prueba de fallos) ----------
   Solo se oculta si <html> tiene .js (agregado por script inline).
   Sin JS, todo el contenido queda visible. main.js además fuerza
   la revelación tras 2.5s como red de seguridad. */
html.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
html.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html.js .reveal { opacity: 1; transform: none; }
  .cursor { display: none !important; }
}

/* ---------- Impacto de Negocio ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
  margin-top: var(--space-5);
}
.kpi { background: var(--ink-0); padding: var(--space-4) var(--space-3); }
.kpi__value {
  font-size: clamp(1.8rem, 1.2rem + 2.4vw, 3.2rem);
  letter-spacing: -0.03em;
  font-weight: 500;
  line-height: 1;
}
.kpi__value em { font-family: var(--font-serif); font-style: italic; font-weight: 400; }
.kpi__label { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--gray); margin-top: 0.75rem; line-height: 1.5; }

.metric-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-3); }
.metric-card { border: 1px solid var(--line); border-radius: 4px; padding: var(--space-4) var(--space-3); background: var(--ink-1); }
.metric-card__value { font-size: var(--text-xl); letter-spacing: -0.02em; font-weight: 500; }
.metric-card__label { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.6rem; }
.metric-card__note { font-size: var(--text-sm); color: var(--paper-dim); margin-top: 0.75rem; line-height: 1.55; }

.funnel { display: grid; gap: 0.6rem; margin-top: var(--space-4); }
.funnel__step { display: grid; grid-template-columns: 160px 1fr auto; align-items: center; gap: var(--space-3); }
.funnel__name { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--paper-dim); }
.funnel__bar { height: 44px; background: linear-gradient(90deg, rgba(255,196,0,0.85), rgba(255,196,0,0.35)); border-radius: 3px; min-width: 2%; }
.funnel__value { font-variant-numeric: tabular-nums; font-size: var(--text-sm); color: var(--paper); white-space: nowrap; }
.funnel__drop { font-size: var(--text-xs); color: var(--gray); text-align: right; }
@media (max-width: 720px) { .funnel__step { grid-template-columns: 90px 1fr auto; } }

.methodology { font-size: var(--text-xs); color: var(--gray); border-top: 1px solid var(--line); padding-top: var(--space-3); max-width: 70ch; line-height: 1.7; }

/* ---------- Menú móvil (overlay estilo Apple) ---------- */
.nav__burger {
  display: none;
  width: 44px; height: 44px;
  position: relative;
  z-index: calc(var(--z-nav) + 2);
}
.nav__burger span {
  position: absolute;
  left: 10px; right: 10px;
  height: 1.5px;
  background: var(--paper);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast);
}
.nav__burger span:nth-child(1) { top: 17px; }
.nav__burger span:nth-child(2) { top: 26px; }
.nav__burger.is-open span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 1);
  background: rgba(10, 10, 11, 0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--gutter);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease-out), visibility var(--dur-fast);
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu__link {
  display: block;
  font-size: clamp(1.9rem, 8vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  padding: 0.55rem 0;
  color: var(--paper);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}
.mobile-menu.is-open .mobile-menu__link { opacity: 1; transform: none; }
.mobile-menu__link em { font-family: var(--font-serif); font-style: italic; font-weight: 400; }
.mobile-menu__meta {
  margin-top: var(--space-5);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  opacity: 0;
  transition: opacity 600ms var(--ease-out) 250ms;
}
.mobile-menu.is-open .mobile-menu__meta { opacity: 1; }

@media (max-width: 720px) {
  .nav__burger { display: block; }
  .nav__links { display: none; }

  /* Fix: el hero ya no choca con la nav fija */
  .hero {
    padding-top: calc(4.5rem + env(safe-area-inset-top, 0px));
    min-height: 100svh;
    justify-content: flex-end;
  }
  .hero__meta {
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--space-3);
  }
  .hero__scroll { display: none; }
  .project-hero { padding-top: calc(5.5rem + env(safe-area-inset-top, 0px)); }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-menu__link { transition: none; transform: none; }
}

/* Crossfade del preview flotante */
.work-preview img {
  position: absolute;
  inset: 0;
  transition: opacity 600ms var(--ease-out);
}

/* ---------- Línea de onda interactiva (hero) ---------- */
.wave-line {
  position: relative;
  width: 100%;
  height: 1px;
  margin-block: var(--space-5) var(--space-3);
}
.wave-line::before {
  /* fallback estático (sin JS, táctil o reduced-motion) */
  content: "";
  position: absolute;
  inset: 0;
  background: var(--line-strong);
}
.wave-line.is-live::before { display: none; }
.wave-line svg {
  position: absolute;
  top: -80px;
  left: 0;
  width: 100%;
  height: 160px;
  overflow: visible;
  pointer-events: none;
}
.wave-line path {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.5;
}
.wave-line__hit {
  position: absolute;
  top: -22px;
  left: 0;
  width: 100%;
  height: 44px;
  z-index: 2;
}
.wave-line__hit.is-bending { top: -80px; height: 160px; }