/* Home — Alf Álvarez. Recorrido de scroll; todo sale de sistema.css. */

:root {
  color-scheme: dark;
  --margen: clamp(16px, 4.5vw, 64px);
  --curva: cubic-bezier(0.22, 1, 0.36, 1);
}
html { background: var(--negro); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body.alf { margin: 0; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, p, figure, blockquote, ul { margin: 0; }
ul { padding: 0; list-style: none; }
::selection { background: var(--amarillo); color: var(--negro); }

.saltar {
  position: absolute; left: var(--space-2); top: -60px; z-index: 50;
  background: var(--amarillo); color: var(--negro); padding: var(--space-1) var(--space-2);
}
.saltar:focus { top: var(--space-2); }

/* Barra */
.barra {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-2);
  padding: calc(env(safe-area-inset-top, 0px) + 14px) var(--margen) 14px;
  background: rgba(11, 11, 12, .78);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.barra__marca {
  font-family: var(--font-display); font-weight: 900; font-size: 32px; line-height: 1;
  color: var(--blanco); text-decoration: none; letter-spacing: .01em;
}
.barra__nav { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 32px); }
.barra__nav a:not(.alf-btn) { color: var(--blanco); text-decoration: none; font-weight: 600; font-size: 16px; }
.barra__nav a:not(.alf-btn):hover { color: var(--amarillo); }
.barra__cta { padding: 12px 20px; font-size: 16px; }

/* Hilo que conecta puntos */
.hilo { position: absolute; top: 0; left: 0; width: 100%; pointer-events: none; z-index: 0; overflow: visible; }
.hilo__trazo { fill: none; stroke: var(--amarillo); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.hilo__nodos circle { fill: var(--negro); stroke: var(--amarillo); stroke-width: 3; }

main, .pie { position: relative; z-index: 1; }

/* Secciones */
.seccion, .pausa, .confianza { padding: clamp(96px, 12vw, 160px) var(--margen); max-width: var(--contenido-max); margin-inline: auto; }
.seccion__cabeza { display: grid; gap: var(--space-3); margin-bottom: clamp(48px, 6vw, 96px); max-width: 1100px; }
.titulo-seccion {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(56px, 9vw, 120px); line-height: .88; text-wrap: balance;
}
.seccion__lead { font-size: clamp(19px, 1.6vw, 22px); line-height: 1.45; color: var(--gris); max-width: 46ch; }
.acciones { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-top: var(--space-6); }

/* 1 · Hero */
.hero {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: end;
  gap: var(--space-3);
  min-height: 100svh; max-height: 1100px;
  padding: clamp(88px, 13svh, 120px) var(--margen) clamp(24px, 5svh, 48px);
  max-width: var(--contenido-max); margin-inline: auto;
}
.hero__texto { position: relative; z-index: 2; display: grid; gap: clamp(12px, 2.2svh, 24px); padding-bottom: var(--space-2); }
.hero__roles { color: var(--blanco); }
.hero__nombre {
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: clamp(80px, min(15.5vw, 23svh), 224px); line-height: .84; letter-spacing: -.005em;
  margin-top: var(--space-1);
}
.hero__linea { display: block; overflow: hidden; padding-top: .2em; margin-top: -.12em; }
.hero__linea + .hero__linea { margin-top: -.02em; }
.hero__l1, .hero__l2 { display: inline-block; will-change: transform; }
.hero__l2 { white-space: nowrap; }
.hero__firma { color: var(--amarillo); font-size: clamp(40px, min(4.4vw, 7svh), 64px); margin-top: -.15em; transform: rotate(-4deg); transform-origin: left; width: max-content; }
.hero__lead { font-size: clamp(19px, 1.6vw, 22px); line-height: 1.45; max-width: 36ch; }
.hero__seguir { color: var(--gris); }
.hero__foto { position: relative; z-index: 1; align-self: stretch; display: flex; align-items: flex-end; }
.hero__foto img { width: 100%; height: auto; max-height: calc(100svh - clamp(112px, 18svh, 168px)); object-fit: cover; object-position: top center; }

/* 2 y 8 · Pausas con frase */
.pausa { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; gap: var(--space-4); }
.pausa .alf-frase { font-size: clamp(48px, 8.4vw, 132px); max-width: 13ch; }
.alf-resaltado { background-size: 100% .32em; transition: background-size .6s var(--curva); }
html.js .revelar .alf-resaltado, html.js .piensa .alf-resaltado, html.js .trayectoria__frase .alf-resaltado, html.js .panel__cita .alf-resaltado { background-size: 0% .32em; }
html.js .alf-resaltado.encendido { background-size: 100% .32em; }
.palabra { display: inline-block; }

/* 3 · Qué hago: tarjetas que se apilan */
.pila { display: grid; gap: var(--space-3); }
.panel {
  position: sticky; top: 96px;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); align-items: center;
  min-height: min(76svh, 640px);
  background: var(--carbon);
  border-top: 3px solid var(--blanco);
  padding: clamp(24px, 4vw, 56px);
}
.panel--construyo { top: 120px; border-top-color: var(--azul); }
.panel--comparto { top: 144px; border-top-color: var(--amarillo); }
.panel__texto { display: grid; gap: var(--space-3); align-content: center; justify-items: start; min-width: 0; }
.panel__titulo {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(40px, 5vw, 72px); line-height: .92; text-wrap: balance;
}
.panel__texto > p:not(.alf-label) { color: var(--gris); max-width: 46ch; }
.panel__cita p {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(56px, 8vw, 120px); line-height: .92;
}
.panel__cita-nota { margin-top: var(--space-3); max-width: 36ch; color: var(--gris); font-size: 18px; line-height: 1.55; }
.panel__cita--larga p { font-size: clamp(32px, 3.4vw, 52px); line-height: 1; }
.panel__foto img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.medios { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.medios li {
  font-family: var(--font-mono); font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
  border: 2px solid var(--azul); border-radius: var(--radius-pill); padding: 6px 12px;
}

/* 4 · Cómo pienso */
.piensa { position: relative; overflow-x: clip; display: grid; gap: var(--space-6); min-height: 100svh; align-content: center; }
.piensa__frase {
  position: relative; z-index: 2;
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(44px, 7.2vw, 112px); line-height: .95;
  display: grid; justify-items: start;
}
.piensa__paso { display: block; }
.piensa__paso:nth-child(2) { padding-left: 1.2em; }
.piensa__paso:nth-child(3) { padding-left: .4em; }
.piensa__paso:nth-child(4) { padding-left: 2em; }
.piensa__nota { position: relative; z-index: 2; color: var(--gris); max-width: 60ch; }
.stickers { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.sticker { position: absolute; pointer-events: auto; will-change: transform; }
.sticker__cara {
  display: inline-block;
  font-family: var(--font-mono); font-weight: 500; font-size: clamp(12px, 1.1vw, 15px); letter-spacing: .1em; text-transform: uppercase;
  background: var(--blanco); color: var(--negro);
  padding: 10px 18px; border-radius: var(--radius-pill);
  white-space: nowrap; cursor: default;
  transition: transform .45s cubic-bezier(.34, 1.56, .64, 1), background-color .2s, color .2s;
}
.sticker:hover .sticker__cara { transform: scale(1.14) rotate(-8deg); background: var(--negro); color: var(--amarillo); box-shadow: 0 0 0 2px var(--amarillo); }
.sticker:nth-child(even):hover .sticker__cara { transform: scale(1.14) rotate(8deg); }
.s1 { top: 12%; right: 10%; transform: rotate(6deg); }
.s1 .sticker__cara, .s5 .sticker__cara { background: var(--amarillo); }
.s2 { top: 30%; right: 3%; transform: rotate(-5deg); }
.s3 { top: 52%; right: 14%; transform: rotate(3deg); }
.s3 .sticker__cara { background: var(--azul); color: var(--blanco); }
.s4 { top: 70%; right: 4%; transform: rotate(-7deg); }
.s5 { top: 86%; right: 22%; transform: rotate(4deg); }
.s6 { top: 6%; right: 32%; transform: rotate(-3deg); }

/* 5 · Trayectoria: recorrido horizontal en escritorio */
.trayectoria { position: relative; z-index: 2; background: var(--negro); }
.trayectoria__marco {
  min-height: 100svh; padding: 104px 0 var(--space-6); overflow: hidden;
  display: flex; flex-direction: column; justify-content: center; gap: clamp(32px, 5svh, 64px);
}
.trayectoria__intro { display: grid; gap: var(--space-3); padding-inline: var(--margen); max-width: 1200px; }
.trayectoria__frase { font-family: var(--font-display); font-weight: 800; font-size: clamp(36px, min(4.6vw, 6.4svh), 72px); line-height: .98; max-width: 24ch; }
.pista { display: flex; align-items: flex-start; gap: clamp(32px, 4vw, 64px); padding-inline: var(--margen); width: max-content; }
.pista__foto { width: clamp(160px, min(16vw, 24svh), 240px); flex: none; }
.pista__foto img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; }
.pista .alf-hito { width: clamp(240px, 22vw, 320px); flex: none; }
.pista .alf-hito h3 { font-family: var(--font-display); font-size: clamp(32px, 3vw, 40px); line-height: 1; font-weight: 800; text-transform: uppercase; margin: var(--space-1) 0; }
.pista .alf-hito p { color: var(--gris); }

/* 6 · Charlas */
.charlas__frase { font-family: var(--font-display); font-weight: 800; font-size: clamp(48px, 7.6vw, 112px); line-height: .95; max-width: 15ch; }
.tarjetas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.tarjetas .alf-tarjeta { min-height: 280px; justify-content: flex-end; transition: border-color .2s, background-color .2s; }
.tarjetas .alf-tarjeta:not(.alf-tarjeta--show):hover { border-top-color: var(--amarillo); background: #1d1d21; }
.charlas .acciones { margin-top: var(--space-8); }
.tarjetas .alf-tarjeta h3 { font-size: clamp(32px, 3.2vw, 48px); }

/* 7 · Confianza */
.confianza { padding-block: var(--space-12); max-width: none; padding-inline: 0; }
.confianza__titulo { padding-inline: var(--margen); margin-bottom: var(--space-3); }
.alf-cinta__pista { will-change: transform; align-items: center; gap: clamp(48px, 6vw, 88px); padding-right: clamp(48px, 6vw, 88px); }
.alf-logo { flex: none; display: flex; align-items: center; height: 72px; }
.alf-logo img { width: calc(var(--w) * 1px * var(--escala-logo, 1)); max-width: none; height: auto; opacity: .55; transition: opacity .2s; }
.alf-logo:hover img { opacity: 1; }

/* 8 · Cierre */
.cierre .alf-frase { max-width: 15ch; }
.cierre__boton { font-size: 22px; padding: 22px 40px; }

/* Pie */
.pie {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-6); align-items: end;
  padding: var(--space-12) var(--margen) calc(var(--space-6) + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--linea);
  max-width: var(--contenido-max); margin-inline: auto;
}
.pie__marca { font-size: clamp(72px, 12vw, 176px); }
.pie__datos { display: grid; gap: var(--space-3); justify-items: start; color: var(--gris); }
.pie__correo { color: var(--blanco); font-weight: 600; user-select: all; }
.pie__redes { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* Móvil */
@media (max-width: 860px) {
  .ocultar-movil { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr); align-items: start; padding-top: 104px; min-height: auto; }
  .hero__foto { order: -1; justify-content: flex-end; }
  .hero__foto img { width: 78%; max-height: 52svh; margin-left: auto; }
  .hero__texto { margin-top: -22vw; }
  .hero__nombre { font-size: clamp(64px, 24vw, 120px); }
  .hero__roles { max-width: 26ch; }
  .panel { position: relative; top: auto; grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .panel--construyo, .panel--comparto { top: auto; }
  .piensa__paso:nth-child(n) { padding-left: 0; }
  .stickers { position: static; display: flex; flex-wrap: wrap; gap: var(--space-1); }
  .sticker { position: static; transform: none; }
  .sticker__cara { transition: none; }
  .trayectoria__marco { overflow: visible; min-height: 0; padding-top: var(--space-12); }
  .pista { width: auto; flex-direction: column; align-items: stretch; gap: var(--space-6); }
  .pista__foto { width: 46%; }
  .pista .alf-hito { width: auto; }
  .tarjetas { grid-template-columns: minmax(0, 1fr); }
  .tarjetas .alf-tarjeta { min-height: 200px; }
  .pie { grid-template-columns: minmax(0, 1fr); }
  .hilo { display: none; }
  .alf-logo { height: 56px; --escala-logo: .78; }
}

@media (prefers-reduced-motion: reduce) {
  .alf-resaltado, .tarjetas .alf-tarjeta, .sticker__cara { transition: none; }
}