/* AGG Colors v2. Persuade: la fachada es la página y el formulario vive en su ventana.
   Colores del logo. Movimiento: curvas de Emil Kowalski, solo transform y opacity. */
:root {
  --azul: #1883C7;
  --verde: #50A748;
  --amarillo: #FCCA0B;
  --naranja: #F47F20;
  --rojo: #E31E27;
  --morado: #832D86;
  --carbon: #2E3336;
  --carbon-2: #24282B;
  --cielo: #E9F2F8;
  --acera: #C9CED2;
  --papel: #FFFFFF;
  --linea: #D8DDE1;
  --texto: #2E3336;
  --texto-2: #545D63;
  --cal: #F4F4F2;           /* remates blancos de la casa */
  --wa: #1A9E4B;            /* verde WhatsApp con contraste AA para texto blanco */

  --wall: #FCCA0B;          /* color actual de la fachada */
  --on-wall: #2E3336;       /* texto sobre la fachada; app.js lo calcula */

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --display: "Unbounded", system-ui, sans-serif;
  --body: "Figtree", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --r-pill: 999px;
  --r-box: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scrollbar-color: var(--carbon) var(--cielo); }
body { margin: 0; font-family: var(--body); font-size: 17px; line-height: 1.55; color: var(--texto); background: var(--papel); caret-color: var(--azul); }
::selection { background: var(--amarillo); color: var(--carbon); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-underline-offset: 4px; }
h1, h2, h3, p { margin: 0; }
[id] { scroll-margin-top: 84px; }
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding-inline: 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--azul); outline-offset: 3px; border-radius: 6px; }
.h-section { font-family: var(--display); font-weight: 800; font-size: clamp(28px, 3.3vw, 44px); line-height: 1.08; letter-spacing: -.02em; text-wrap: balance; max-width: 16ch; }
.lead { margin-top: 16px; font-size: 18px; color: var(--texto-2); max-width: 54ch; }

/* ---------- botones (pill en todo lo que se presiona) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px; border-radius: var(--r-pill); border: 0;
  font: 700 16px/1 var(--body); text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: transform 160ms var(--ease-out), background-color 200ms ease;
}
.btn:active { transform: scale(0.97); }
.btn svg { width: 22px; height: 22px; flex: none; }
.btn-primary { background: var(--amarillo); color: var(--carbon); box-shadow: 0 6px 16px -6px rgba(180, 140, 0, .55); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 6px 16px -6px rgba(26, 158, 75, .55); }
.btn-block { width: 100%; }
.btn-icon { width: 52px; padding: 0; }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: #FFD735; }
  .btn-wa:hover { background: #158A40; }
}

/* ---------- navegación ---------- */
.nav { position: sticky; top: 0; z-index: 40; background: rgba(255, 255, 255, .94); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--linea); }
.nav-inner { display: flex; align-items: center; gap: 28px; min-height: 72px; }
.nav-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.nav-brand img { width: 48px; }
.nav-brand span { font-size: 13px; line-height: 1.3; color: var(--texto-2); font-weight: 600; padding-left: 12px; border-left: 1px solid var(--linea); }
.nav-links { display: flex; gap: 26px; font-weight: 600; font-size: 15px; }
.nav-links a { text-decoration: none; }
.nav-wa { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 15px; color: var(--wa); text-decoration: none; padding: 10px 16px; border-radius: var(--r-pill); background: #E8F6EE; transition: transform 160ms var(--ease-out); }
.nav-wa:active { transform: scale(0.97); }
.nav-wa svg { width: 20px; height: 20px; }
@media (hover: hover) and (pointer: fine) { .nav-links a:hover { color: var(--azul); } }

/* =======================================================================
   HERO: fachada
   ======================================================================= */
.hero { position: relative; background: linear-gradient(180deg, var(--cielo) 0%, #F4F8FB 70%); overflow: hidden; }
.hero-stage { position: relative; padding-top: 34px; }
.facade {
  position: relative; isolation: isolate;
  background: var(--wall);
  margin-right: 70px;                     /* sitio para la palma */
  box-shadow: 0 30px 60px -30px rgba(46, 51, 54, .45);
}
.facade::after { /* volumen: luz arriba a la izquierda, sombra abajo */
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,.16) 0%, rgba(255,255,255,0) 45%, rgba(0,0,0,.14) 100%);
}
.facade > :not(.paint):not(.roller) { position: relative; z-index: 2; }

/* capa de pintura nueva: baja con el rodillo (transform, GPU) */
.paint { position: absolute; inset: 0; z-index: 0; background: var(--paint, var(--wall)); transform: scaleY(0); transform-origin: 50% 0; }
.roller { position: absolute; z-index: 3; right: 9%; top: 0; width: 120px; opacity: 0; pointer-events: none; transform: translateY(-110%); }
.roller svg { width: 100%; height: auto; display: block; filter: drop-shadow(0 6px 8px rgba(0,0,0,.25)); }
.roller-sleeve { fill: var(--paint, var(--wall)); stroke: #24282B; stroke-width: 4; }

.parapet { height: 22px; margin: 0 -14px; background: var(--cal); box-shadow: 0 4px 0 rgba(0,0,0,.08); }
.tinaco { position: absolute !important; right: 14%; top: -46px; width: 72px; height: 48px; border-radius: 10px 10px 4px 4px; background: linear-gradient(180deg, #2A2F33, #1D2124); }
.tinaco::before { content: ""; position: absolute; left: -6px; right: -6px; top: -6px; height: 12px; border-radius: 6px; background: #2A2F33; }

.upper { display: grid; grid-template-columns: 1fr 290px; gap: 40px; align-items: center; padding: 34px 48px 30px; }
.sign h1 {
  font-family: var(--display); font-weight: 800; color: var(--on-wall);
  font-size: clamp(42px, 5.6vw, 76px); line-height: .98; letter-spacing: -.025em; max-width: 11ch;
  transition: color 300ms ease;
}
.sign p { margin-top: 16px; font-size: 19px; line-height: 1.45; font-weight: 600; color: var(--on-wall); opacity: .9; max-width: 40ch; transition: color 300ms ease; }

.win { position: relative; display: block; background: var(--cal); padding: 12px; box-shadow: 0 6px 0 rgba(0,0,0,.08); }
.win .glass { display: block; height: 100%; min-height: 150px; background: linear-gradient(160deg, #B9D9EE 0%, #6E9CC0 100%); }
.win .rejas { position: absolute; inset: 12px; background:
  radial-gradient(circle, transparent 4px, #24282B 4.5px, #24282B 6px, transparent 6.5px) 0 0 / 18px 18px,
  linear-gradient(90deg, transparent 8px, #24282B 8px 10px, transparent 10px) 0 0 / 18px 18px,
  linear-gradient(0deg, transparent 8px, #24282B 8px 10px, transparent 10px) 0 0 / 18px 18px; opacity: .9; }

.band { height: 16px; background: var(--cal); margin: 0 -6px; }

.lower { display: grid; grid-template-columns: 210px 1fr; gap: 40px; align-items: end; padding: 30px 48px 0; }
.door-wrap { position: relative; display: flex; flex-direction: column; align-items: center; }
.door {
  width: 150px; height: 300px; border: 12px solid var(--cal); border-bottom: 0;
  background: linear-gradient(90deg, #6B4A2E 0 49.5%, #5A3D25 49.5% 50.5%, #6B4A2E 50.5%);
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1.3fr 1fr; gap: 12px; padding: 16px 14px 18px; position: relative;
}
.door i { background: #7D5838; border-radius: 2px; box-shadow: inset 0 0 0 2px rgba(0,0,0,.08); }
.door .knob { position: absolute; right: 50%; margin-right: 10px; top: 55%; width: 10px; height: 10px; border-radius: 50%; background: #E7C25A; }
.plaque { position: absolute; bottom: 92px; left: 50%; transform: translateX(-50%); min-height: 48px; padding: 0 18px; font-size: 15px; z-index: 3; }
.plaque:active { transform: translateX(-50%) scale(0.97); }
.house-no { position: absolute; top: 18px; left: calc(50% + 86px); background: var(--cal); color: var(--carbon); font: 800 12px/1 var(--display); padding: 6px 8px; border-radius: 3px; }

/* ventana-formulario */
.window-form {
  position: relative; background: var(--cal); padding: 12px; margin-bottom: 0;
  box-shadow: 0 6px 0 rgba(0,0,0,.08);
}
.form-body, .form-done { background: #fff; padding: 22px 26px 18px; }
.window-form h2 { font-family: var(--display); font-weight: 800; font-size: 22px; letter-spacing: -.01em; margin-bottom: 14px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin: 0 0 12px; border: 0; padding: 0; min-width: 0; }
.field label, .field legend { display: block; padding: 0; margin-bottom: 6px; font-weight: 700; font-size: 14px; }
.field input[type="text"], .field input[type="tel"] {
  width: 100%; height: 46px; padding: 0 14px; font: 500 16px var(--body); color: var(--texto);
  border: 2px solid var(--linea); border-radius: 10px; background: #fff; transition: border-color 160ms ease;
}
.field input::placeholder { color: #7A8389; }
.field input:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 4px rgba(24, 131, 199, .18); }
.field [aria-invalid="true"] { border-color: var(--rojo); }
.error { margin-top: 5px; font-size: 13px; font-weight: 700; color: #B3161E; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; display: inline-flex; }
.chip input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.chip span { display: inline-flex; align-items: center; min-height: 40px; padding: 0 15px; border-radius: var(--r-pill); border: 2px solid var(--linea); font-weight: 700; font-size: 14px; transition: background-color 160ms ease, border-color 160ms ease, transform 160ms var(--ease-out); }
.chip input:checked + span { background: var(--carbon); border-color: var(--carbon); color: #fff; }
.chip input:focus-visible + span { outline: 3px solid var(--azul); outline-offset: 2px; }
.chip:active span { transform: scale(0.97); }

.picked { font-weight: 600; color: var(--texto-2); margin-left: 6px; }
.swatches { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.sw { position: relative; display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--c); cursor: pointer; box-shadow: inset 0 0 0 2px rgba(0,0,0,.12); transition: transform 160ms var(--ease-out); }
.sw input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.sw:has(input:checked) { box-shadow: inset 0 0 0 2px rgba(0,0,0,.12), 0 0 0 3px #fff, 0 0 0 5px var(--carbon); }
.sw:has(input:focus-visible) { outline: 3px solid var(--azul); outline-offset: 5px; }
.sw:active { transform: scale(0.94); }
.sw-unsure { display: inline-flex; align-items: center; width: auto; height: 38px; padding: 0 14px; border-radius: var(--r-pill); background: #fff; box-shadow: inset 0 0 0 2px var(--linea); font-size: 13px; font-weight: 700; }
.sw-unsure:has(input:checked) { box-shadow: inset 0 0 0 2px var(--carbon); }
.form-note { margin-top: 10px; font-size: 13px; color: var(--texto-2); text-align: center; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-done { text-align: center; padding: 36px 26px; }
.form-done h2 { margin-bottom: 10px; }
.form-done p { color: var(--texto-2); margin: 0 auto 20px; max-width: 36ch; }
.window-form.is-done .form-body { display: none; }

.planter { display: flex; justify-content: flex-end; gap: 0; padding: 0 48px; height: 26px; margin-top: -10px; }
.planter i { width: 34px; height: 34px; border-radius: 50%; background: #3F9A45; margin-left: -6px; transform: translateY(-14px); }
.planter i:nth-child(2n) { background: #358A3B; }
.planter i:nth-child(3n)::after { content: ""; display: block; width: 8px; height: 8px; margin: 6px auto 0; border-radius: 50%; background: var(--rojo); }
.palm { position: absolute; right: 4px; bottom: 0; width: 120px; height: auto; z-index: 3; overflow: visible; }
.street { height: 46px; background: linear-gradient(180deg, var(--acera) 0 18px, #B6BCC1 18px 22px, #3A3F43 22px); }

/* =======================================================================
   ASESORÍA: cinta de medir
   ======================================================================= */
.measure { padding: 96px 0 88px; }
.tape {
  position: relative; height: 54px; margin-top: 48px; border-radius: 6px;
  background:
    repeating-linear-gradient(90deg, #2E3336 0 2px, transparent 2px 100px) 0 0 / 100% 26px no-repeat,
    repeating-linear-gradient(90deg, #2E3336 0 1px, transparent 1px 20px) 0 0 / 100% 14px no-repeat,
    repeating-linear-gradient(90deg, #2E3336 0 1px, transparent 1px 10px) 0 0 / 100% 8px no-repeat,
    var(--amarillo);
  box-shadow: inset 0 -6px 0 rgba(0,0,0,.08);
}
.tape-end { position: absolute; left: -10px; top: -6px; bottom: -6px; width: 14px; border-radius: 4px; background: #9AA2A8; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.steps li { position: relative; padding-top: 30px; }
.steps .mark { position: absolute; top: -14px; left: 0; width: 0; height: 0; border-left: 12px solid transparent; border-right: 12px solid transparent; border-top: 16px solid var(--carbon); }
.steps h3 { font-size: 21px; font-weight: 800; }
.steps p { margin-top: 6px; color: var(--texto-2); max-width: 30ch; }

/* =======================================================================
   PROYECTOS: abanico de muestras de pintura
   ======================================================================= */
.projects { padding: 88px 0 104px; background: var(--cielo); }
.projects-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.projects-copy .btn { margin-top: 28px; }
.fan { list-style: none; margin: 0; padding: 20px 0 0; display: flex; justify-content: center; }
.card {
  width: 168px; flex: none; background: #fff; border-radius: var(--r-box); overflow: hidden;
  box-shadow: 0 18px 30px -16px rgba(46, 51, 54, .45); margin-left: -12px;
  transform-origin: 50% 120%; transition: transform 260ms var(--ease-out);
}
.card:first-child { margin-left: 0; }
.card:nth-child(1) { transform: rotate(-7deg); }
.card:nth-child(2) { transform: rotate(-2.5deg) translateY(-10px); }
.card:nth-child(3) { transform: rotate(2.5deg) translateY(-10px); }
.card:nth-child(4) { transform: rotate(7deg); }
.shades { display: grid; grid-template-rows: repeat(3, 46px); }
.shades i:nth-child(1) { background: color-mix(in srgb, var(--c) 45%, #fff); }
.shades i:nth-child(2) { background: color-mix(in srgb, var(--c) 75%, #fff); }
.shades i:nth-child(3) { background: var(--c); }
.card h3 { padding: 14px 14px 0; font-family: var(--display); font-weight: 800; font-size: 15px; letter-spacing: -.01em; }
.card p { padding: 6px 14px 18px; font-size: 14px; line-height: 1.4; color: var(--texto-2); }
@media (hover: hover) and (pointer: fine) {
  .fan:hover .card { transform: rotate(0) translateY(0); }
  .fan .card:hover { transform: translateY(-14px); }
}

/* =======================================================================
   PREGUNTAS
   ======================================================================= */
.faq { padding: 96px 0; }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.faq-list details { border-bottom: 1px solid var(--linea); }
.faq-list details:first-child { border-top: 1px solid var(--linea); }
.faq-list summary { list-style: none; cursor: pointer; padding: 20px 44px 20px 0; position: relative; font-weight: 800; font-size: 18px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: ""; position: absolute; right: 8px; top: 50%; width: 12px; height: 12px; margin-top: -8px; border-right: 3px solid var(--carbon); border-bottom: 3px solid var(--carbon); transform: rotate(45deg); transition: transform 200ms var(--ease-out); }
.faq-list details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq-list details p { padding: 0 0 20px; color: var(--texto-2); max-width: 56ch; }

/* =======================================================================
   CIERRE: la lata
   ======================================================================= */
.can { background: var(--carbon); color: #fff; }
.can-stripes { display: grid; grid-template-columns: repeat(6, 1fr); height: 14px; }
.can-stripes i:nth-child(1) { background: var(--azul); } .can-stripes i:nth-child(2) { background: var(--verde); }
.can-stripes i:nth-child(3) { background: var(--amarillo); } .can-stripes i:nth-child(4) { background: var(--naranja); }
.can-stripes i:nth-child(5) { background: var(--rojo); } .can-stripes i:nth-child(6) { background: var(--morado); }
.can-inner { padding-top: 84px; padding-bottom: 64px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px 56px; align-items: end; }
.can h2 { font-family: var(--display); font-weight: 800; font-size: clamp(32px, 4vw, 54px); line-height: 1.04; letter-spacing: -.02em; max-width: 15ch; text-wrap: balance; }
.can-ctas { grid-column: 1; display: flex; flex-wrap: wrap; gap: 12px; }
.can-contact { grid-column: 2; grid-row: 1 / span 2; list-style: none; margin: 0; padding: 0; }
.can-contact li { display: flex; flex-direction: column; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.16); font-weight: 700; font-size: 18px; }
.can-contact span { font-size: 13px; font-weight: 600; color: #A9B1B6; }
.can-foot { display: flex; align-items: center; gap: 14px; padding-top: 22px; padding-bottom: 30px; border-top: 1px solid rgba(255,255,255,.1); font-size: 14px; color: #A9B1B6; }
.can-foot img { width: 44px; background: #fff; border-radius: 10px; padding: 3px; }

/* ---------- barra fija móvil ---------- */
.mbar { display: none; }

/* =======================================================================
   Responsive
   ======================================================================= */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .facade { margin-right: 0; }
  .palm { display: none; }
  .upper { grid-template-columns: 1fr; padding: 28px 24px 24px; }
  .win-upper { display: none; }
  .lower { grid-template-columns: 1fr; gap: 22px; padding: 22px 16px 0; }
  .door-wrap { order: 2; flex-direction: row; justify-content: center; gap: 16px; padding-bottom: 0; }
  .door { width: 96px; height: 150px; padding: 10px; gap: 8px; }
  .plaque { position: static; transform: none; }
  .plaque:active { transform: scale(0.97); }
  .house-no { display: none; }
  .planter { padding: 0 16px; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .projects-grid, .faq-grid { grid-template-columns: 1fr; gap: 36px; }
  .fan { justify-content: flex-start; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; padding: 6px 4px 18px; margin: 0 -24px; padding-inline: 24px; }
  .fan { scrollbar-width: none; }
  .fan::-webkit-scrollbar { display: none; }
  .projects { padding-bottom: 56px; }
  .card, .card:nth-child(n) { transform: none; margin-left: 0; scroll-snap-align: start; width: 190px; }
  .can-inner { grid-template-columns: 1fr; }
  .can-contact { grid-column: 1; grid-row: auto; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 16px; }
  .nav-inner { min-height: 64px; gap: 12px; }
  .nav-brand img { width: 42px; }
  .nav-brand span { display: none; }
  .nav-wa { padding: 9px 13px; font-size: 14px; }
  .hero-stage { padding-top: 22px; padding-inline: 10px; }
  .sign h1 { font-size: 40px; }
  .sign p { font-size: 17px; }
  .form-body { padding: 18px 16px 14px; }
  .row2 { grid-template-columns: 1fr; gap: 0; }
  .sw { width: 34px; height: 34px; }
  .measure, .faq { padding: 72px 0; }
  .projects { padding: 72px 0; }
  .tape { height: 40px; margin-top: 36px; }
  .mbar {
    display: flex; gap: 10px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.96);
    box-shadow: 0 -8px 24px -12px rgba(46,51,54,.4); transform: translateY(110%);
    transition: transform 260ms var(--ease-out);
  }
  .mbar .btn-primary { flex: 1; }
  .mbar.is-on { transform: translateY(0); }
  .can-foot { padding-bottom: 96px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .card:nth-child(n) { transition: none; }
  .mbar { transition: opacity 200ms ease; transform: none; opacity: 0; pointer-events: none; }
  .mbar.is-on { opacity: 1; pointer-events: auto; }
}

/* =======================================================================
   Efectos de pintura ligados al scroll
   Una sola variable (--p, 0 a 1) avanza mientras el hero sale de pantalla.
   Navegadores con scroll-driven animations: CSS puro (fuera del hilo principal).
   El resto: app.js actualiza --p, --sky y --drip.
   ======================================================================= */
@property --p    { syntax: "<number>"; inherits: true; initial-value: 0; }
@property --sky  { syntax: "<color>";  inherits: true; initial-value: #C7E0F1; }
@property --drip { syntax: "<color>";  inherits: true; initial-value: #1883C7; }
@property --fan  { syntax: "<number>"; inherits: true; initial-value: 1; }
@property --tape { syntax: "<number>"; inherits: true; initial-value: 1; }
@property --fill { syntax: "<number>"; inherits: true; initial-value: 1; }

/* Cielo pintado: recorre los colores del logo en su orden */
.hero { background: var(--sky); }
.hero::before { /* textura de brochazo, muy sutil */
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0; opacity: .5;
  background:
    repeating-linear-gradient(178deg, rgba(255,255,255,.18) 0 3px, transparent 3px 11px),
    repeating-linear-gradient(181deg, rgba(0,0,0,.025) 0 2px, transparent 2px 17px);
}
.hero-stage { z-index: 1; padding-top: 70px; padding-inline: clamp(24px, 6vw, 96px); }

@keyframes hero-paint {
  0%   { --p: 0;   --sky: color-mix(in srgb, #1883C7 32%, #fff); --drip: #1883C7; }
  20%  {           --sky: color-mix(in srgb, #50A748 32%, #fff); --drip: #50A748; }
  40%  {           --sky: color-mix(in srgb, #FCCA0B 40%, #fff); --drip: #FCCA0B; }
  60%  {           --sky: color-mix(in srgb, #F47F20 34%, #fff); --drip: #F47F20; }
  80%  {           --sky: color-mix(in srgb, #E31E27 28%, #fff); --drip: #E31E27; }
  100% { --p: 1;   --sky: color-mix(in srgb, #832D86 30%, #fff); --drip: #832D86; }
}

/* Pintura fresca que chorrea desde el borde superior */
.drips { position: absolute; left: 0; right: 0; top: 0; height: 100%; z-index: 0; pointer-events: none; }
.drips::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 16px; background: var(--drip); }
.drips { --range: 100vh; }
.drips i {
  /* la punta baja casi al mismo ritmo que el scroll: la pintura "corre" contigo */
  position: absolute; top: 12px; height: calc(var(--a) + 1.2 * var(--range) + 40px); background: var(--drip);
  border-radius: 0 0 999px 999px;
  transform: translateY(calc(-100% + var(--a) + var(--run) * var(--range) * var(--p)));
  will-change: transform;
}
.drips i::after { /* gota en la punta, un poco más ancha que el chorro */
  content: ""; position: absolute; left: 50%; bottom: -4px; width: 130%; aspect-ratio: 1; border-radius: 50%;
  background: inherit; transform: translateX(-50%);
}

/* Abanico de muestras: cerrado al llegar, abierto al centrarse */
.card:nth-child(1) { --rot: -7deg; --lift: 0px;   --stack: 270px; }
.card:nth-child(2) { --rot: -2.5deg; --lift: -10px; --stack: 90px; }
.card:nth-child(3) { --rot: 2.5deg;  --lift: -10px; --stack: -90px; }
.card:nth-child(4) { --rot: 7deg;  --lift: 0px;   --stack: -270px; }
.card:nth-child(n) {
  transform: translateX(calc(var(--stack) * (1 - var(--fan)))) translateY(calc(var(--lift) * var(--fan))) rotate(calc(var(--rot) * var(--fan)));
}

/* Cinta de medir que se desenrolla */
.tape { transform: scaleX(var(--tape)); transform-origin: 0 50%; }
.steps li { opacity: clamp(0, calc(var(--tape) * 3 - var(--i, 0)), 1); }
.steps li:nth-child(1) { --i: 0.4; } .steps li:nth-child(2) { --i: 1.2; } .steps li:nth-child(3) { --i: 2; }

/* La lata se llena: franjas de izquierda a derecha */
.can-stripes i { transform: scaleX(clamp(0, calc(var(--fill) * 6 - var(--k)), 1)); transform-origin: 0 50%; }
.can-stripes i:nth-child(1) { --k: 0; } .can-stripes i:nth-child(2) { --k: 1; } .can-stripes i:nth-child(3) { --k: 2; }
.can-stripes i:nth-child(4) { --k: 3; } .can-stripes i:nth-child(5) { --k: 4; } .can-stripes i:nth-child(6) { --k: 5; }

@keyframes open-fan  { from { --fan: 0; }  to { --fan: 1; } }
@keyframes roll-tape { from { --tape: 0; } to { --tape: 1; } }
@keyframes fill-can  { from { --fill: 0; } to { --fill: 1; } }

@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .hero { animation: hero-paint linear both; animation-timeline: scroll(root block); animation-range: 0 100vh; }
    .fan { animation: open-fan linear both; animation-timeline: view(); animation-range: entry 10% cover 45%; }
    .measure { animation: roll-tape linear both; animation-timeline: view(); animation-range: entry 20% cover 45%; }
    .can { animation: fill-can linear both; animation-timeline: view(); animation-range: entry 0% entry 90%; }
  }
}
@media (max-width: 980px) {
  .drips { --range: 170vh; }
  .hero-stage { padding-top: 56px; padding-inline: 22px; }
  .card:nth-child(n) { --stack: 0px; --rot: 0deg; --lift: 0px; }
}
@media (max-width: 980px) and (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: scroll()) { .hero { animation-range: 0 170vh; } }
}
@media (prefers-reduced-motion: reduce) {
  .drips i { transform: translateY(calc(-100% + var(--a))); }
}
/* hover del abanico: los vars mandan, el hover endereza */
@media (hover: hover) and (pointer: fine) {
  .fan:hover .card:nth-child(n) { transform: none; }
  .fan .card:nth-child(n):hover { transform: translateY(-14px); }
}