/* ============ Fuente (local, funciona sin internet) ============ */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url(fonts/archivo-latin-ext-wdth-normal.woff2) format('woff2-variations'), url(fonts/archivo-latin-ext-wdth-normal.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url(fonts/archivo-latin-wdth-normal.woff2) format('woff2-variations'), url(fonts/archivo-latin-wdth-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ============ Tokens ============ */
:root {
  --yeso: #e3e1dc;
  --yeso-2: #eceae6;
  --yeso-3: #f5f4f1;
  --tinta: #1d2028;
  --tinta-2: #4c515c;
  --linea: rgba(29, 32, 40, 0.14);
  --nogal: #33251c;
  --nogal-2: #4a3628;
  --cobre: #b5652b;
  --cobre-2: #97521f;
  --escarcha: #8fd6e8;
  --sarro: #c3db3f;
  --ambar: #f0a33a;
  --gel: var(--escarcha);
  --ok: #2f7d45;
  --err: #b3261e;

  --f: 'Archivo', 'Arial Nova', 'Helvetica Neue', Arial, sans-serif;
  --step--1: clamp(0.84rem, 0.8rem + 0.15vw, 0.92rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  --step-2: clamp(1.6rem, 1.3rem + 1.4vw, 2.4rem);
  --step-3: clamp(2.3rem, 1.4rem + 4vw, 5rem);

  --wrap: 1180px;
  --pad: clamp(1.1rem, 3.5vw, 2.5rem);
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: light;
}
[data-accent="clima"], .hero[data-trade="clima"] { --gel: var(--escarcha); }
[data-accent="agua"], .hero[data-trade="agua"] { --gel: var(--sarro); }
[data-accent="energia"], .hero[data-trade="energia"] { --gel: var(--ambar); }

/* ============ Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5.5rem; }
body {
  margin: 0;
  background: var(--yeso);
  color: var(--tinta);
  font-family: var(--f);
  font-size: var(--step-0);
  font-stretch: 100%;
  font-weight: 420;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
body.no-scroll { overflow: hidden; }
img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; font-stretch: 125%; font-weight: 780; line-height: 1.02; letter-spacing: -0.02em; text-wrap: balance; }
h2 { font-size: var(--step-2); }
h3 { font-size: var(--step-1); letter-spacing: -0.01em; line-height: 1.15; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--cobre); outline-offset: 3px; border-radius: 6px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; z-index: 100; background: var(--tinta); color: #fff; padding: .6rem 1rem; border-radius: var(--r-sm); }
.skip:focus { top: 1rem; }

/* ============ Botones ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 48px; padding: .75rem 1.3rem;
  border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 650; font-stretch: 105%; text-decoration: none; cursor: pointer;
  transition: background-color .2s, border-color .2s, color .2s, transform .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--copper { background: var(--cobre); color: #fff; }
.btn--copper:hover { background: var(--cobre-2); }
.btn--ghost { border-color: var(--tinta); background: transparent; }
.btn--ghost:hover { background: var(--tinta); color: var(--yeso-3); }
.btn--sm { min-height: 40px; padding: .5rem 1rem; font-size: var(--step--1); }
.link-btn { background: none; border: 0; padding: 0; margin-top: auto; color: var(--cobre-2); font-weight: 650; text-decoration: underline; text-underline-offset: .25em; cursor: pointer; text-align: left; }
.link-btn:hover { color: var(--tinta); }

/* ============ Cinta de demo ============ */
.demo-ribbon {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .4rem 1rem;
  padding: .55rem var(--pad);
  background: var(--nogal); color: #efe7df;
  font-size: var(--step--1); font-stretch: 90%;
}
.demo-ribbon__btn { background: none; border: 1px solid rgba(239, 231, 223, .5); color: #fff; border-radius: 999px; padding: .2rem .8rem; cursor: pointer; font-weight: 600; }
.demo-ribbon__btn:hover { background: rgba(255, 255, 255, .1); }

/* ============ Barra superior ============ */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 1rem;
  padding: .7rem var(--pad);
  background: rgba(227, 225, 220, .82);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--linea);
}
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; margin-right: auto; }
.brand__mark { width: 36px; height: 36px; }
.brand__mark rect { fill: var(--cobre); }
.brand__mark path { fill: none; stroke: #fff; stroke-width: 3.4; stroke-linejoin: round; stroke-linecap: round; }
.brand__mark circle { fill: #fff; }
.brand__name { font-stretch: 125%; font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; }
.nav__list { list-style: none; display: flex; gap: 1.4rem; margin: 0; padding: 0; }
.nav__list a { text-decoration: none; font-weight: 550; font-size: var(--step--1); }
.nav__list a:hover { text-decoration: underline; text-underline-offset: .3em; }
.nav__toggle { display: none; }
.emergency {
  display: inline-flex; align-items: center; gap: .55rem;
  min-height: 40px; padding: .45rem .95rem;
  border-radius: 999px; border: 1.5px solid var(--tinta); background: var(--tinta); color: #fff;
  font-weight: 650; font-size: var(--step--1); cursor: pointer;
}
.emergency__pulse { width: 9px; height: 9px; border-radius: 50%; background: #ff5a4f; box-shadow: 0 0 0 0 rgba(255, 90, 79, .6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(255, 90, 79, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 90, 79, 0); } }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: clamp(620px, calc(100svh - 110px), 920px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: 1fr auto;
  overflow: hidden;
  isolation: isolate;
}
.hero__stage { position: absolute; inset: 0; z-index: -1; }
.hero__canvas { width: 100%; height: 100%; touch-action: pan-y; cursor: grab; opacity: 0; transition: opacity .6s ease; }
.hero__canvas.is-ready { opacity: 1; }
.hero__canvas.is-dragging { cursor: grabbing; }
.hero__grain {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 62% 45%, transparent 55%, rgba(29, 32, 40, .16) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: .5;
  mix-blend-mode: multiply;
}
.hero__stage::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(227, 225, 220, .9) 0%, rgba(227, 225, 220, .72) 28%, rgba(227, 225, 220, 0) 50%);
}
.hero__fallback { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 1.5rem; padding: 2rem; text-align: center; color: var(--tinta-2); }
.hero__fallback[hidden] { display: none; }
.hero.no-webgl .hero__canvas, .hero.no-webgl .hint { display: none; }
.hero.no-webgl .hero__fallback { left: 45%; }

.hero__copy {
  grid-column: 1; grid-row: 1;
  align-self: center;
  padding: clamp(2rem, 6vh, 4rem) 0 2rem var(--pad);
  max-width: 36rem;
  pointer-events: none;
}
.hero__copy > * { pointer-events: auto; }
.hero h1 { font-size: var(--step-3); font-weight: 820; letter-spacing: -0.035em; line-height: .96; }
.hero__lead { margin-top: 1.2rem; font-size: var(--step-1); line-height: 1.45; max-width: 30ch; color: var(--tinta-2); font-weight: 450; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.8rem; }

.case {
  grid-column: 1; grid-row: 2; align-self: end;
  margin: 0 0 var(--pad) var(--pad);
  max-width: 25rem;
  padding: 1.1rem 1.2rem 1.2rem;
  border-radius: var(--r-lg);
  background: rgba(245, 244, 241, .78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .7);
  box-shadow: 0 18px 40px -24px rgba(29, 32, 40, .45);
}
.case__head { display: flex; align-items: center; gap: .6rem; }
.case__swatch { width: 16px; height: 16px; border-radius: 5px; background: var(--gel); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .12), inset 3px 3px 5px rgba(255, 255, 255, .7); transition: background-color .4s; }
.case__trade { font-weight: 700; font-stretch: 110%; }
.case__state { margin-left: auto; font-size: var(--step--1); font-stretch: 85%; font-weight: 650; padding: .15rem .6rem; border-radius: 999px; background: rgba(179, 38, 30, .1); color: var(--err); }
.hero[data-phase="open"] .case__state, .hero[data-phase="leaving"] .case__state { background: rgba(47, 125, 69, .12); color: var(--ok); }
.case__text { margin-top: .6rem; color: var(--tinta-2); min-height: 3.1em; }
.case__action { margin-top: .9rem; min-height: 44px; padding: .5rem 1rem; border-radius: 999px; border: 1.5px solid var(--tinta); background: transparent; font-weight: 650; cursor: pointer; }
.case__action:hover:not(:disabled) { background: var(--tinta); color: #fff; }
.case__action:disabled { opacity: .45; cursor: default; }

.hero__controls {
  grid-column: 2; grid-row: 2; align-self: end; justify-self: center;
  display: flex; flex-direction: column; align-items: center; gap: .8rem;
  margin: 0 var(--pad) var(--pad) 0;
}
.tabs { display: inline-flex; gap: .25rem; padding: .3rem; border-radius: 999px; background: rgba(245, 244, 241, .78); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, .7); box-shadow: 0 14px 30px -20px rgba(29, 32, 40, .5); }
.tab { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: .45rem 1.1rem; border: 0; border-radius: 999px; background: transparent; font-weight: 650; cursor: pointer; }
.tab__dot { width: 12px; height: 12px; border-radius: 4px; background: var(--escarcha); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .15); }
.tab[data-trade="agua"] .tab__dot { background: var(--sarro); }
.tab[data-trade="energia"] .tab__dot { background: var(--ambar); }
.tab[aria-selected="true"] { background: var(--tinta); color: #fff; }
.hint { display: inline-flex; align-items: center; gap: .55rem; font-size: var(--step--1); font-stretch: 90%; font-weight: 600; color: var(--tinta-2); transition: opacity .3s; padding: .3rem .8rem; border-radius: 999px; background: rgba(245, 244, 241, .82); color: var(--tinta); }
.hint svg { width: 34px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.hint.is-hidden { opacity: 0; }
@media (prefers-reduced-motion: no-preference) {
  .hint:not(.is-used) svg { animation: nudge 1.8s var(--ease) infinite; }
}
@keyframes nudge { 0%, 100% { transform: translateX(0); } 45% { transform: translateX(-7px); } }

/* ============ Secciones ============ */
.section { max-width: var(--wrap); margin: 0 auto; padding: clamp(4rem, 9vw, 7.5rem) var(--pad) 0; }
.section__intro { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 1rem 3rem; align-items: end; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section__intro p { color: var(--tinta-2); max-width: 58ch; }
.fineprint { font-size: var(--step--1); color: var(--tinta-2); font-stretch: 92%; }

/* cubo de gel (CSS) */
.gel-cube {
  width: 64px; height: 64px; border-radius: 16px; position: relative;
  background:
    radial-gradient(60% 50% at 30% 25%, rgba(255, 255, 255, .85), transparent 60%),
    linear-gradient(155deg, color-mix(in srgb, var(--gel) 55%, white), var(--gel) 55%, color-mix(in srgb, var(--gel) 70%, #1d2028));
  box-shadow: inset 0 -8px 16px color-mix(in srgb, var(--gel) 60%, #1d2028 40%), inset 0 2px 0 rgba(255, 255, 255, .8), 0 16px 26px -12px color-mix(in srgb, var(--gel) 70%, transparent);
  opacity: .96;
}
.gel-cube::after { content: ''; position: absolute; width: 8px; height: 8px; right: 16px; bottom: 18px; border-radius: 50%; background: rgba(255, 255, 255, .7); box-shadow: -14px -6px 0 -2px rgba(255, 255, 255, .55), -6px 10px 0 -3px rgba(255, 255, 255, .5); }
.gel-cube--xl { width: 140px; height: 180px; border-radius: 28px; }
.gel-cube--done { --gel: #8fd3a5; }

.services__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; }
.trade { display: flex; flex-direction: column; gap: 1.1rem; padding: 1.6rem; border-radius: var(--r-lg); background: var(--yeso-3); border: 1px solid var(--linea); }
.trade ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; color: var(--tinta-2); }
.trade li { display: flex; gap: .6rem; }
.trade li::before { content: ''; flex: none; width: 10px; height: 2px; margin-top: .75em; background: var(--cobre); }

/* diagnóstico */
.diag__panel { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 1.4rem; }
.diag__pick { display: grid; gap: 1.2rem; align-content: start; }
.seg { display: inline-flex; border: 0; margin: 0; padding: .3rem; gap: .25rem; border-radius: 999px; background: var(--yeso-2); justify-self: start; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg span { display: inline-flex; min-height: 44px; align-items: center; padding: .4rem 1.1rem; border-radius: 999px; font-weight: 650; }
.seg input:checked + span { background: var(--tinta); color: #fff; }
.seg input:focus-visible + span { outline: 3px solid var(--cobre); outline-offset: 2px; }
.symptoms { border: 0; margin: 0; padding: 0; display: grid; gap: .5rem; }
.symptoms legend { font-weight: 700; font-stretch: 110%; margin-bottom: .6rem; padding: 0; }
.symptom { position: relative; display: block; cursor: pointer; }
.symptom input { position: absolute; opacity: 0; }
.symptom span { display: block; padding: .9rem 1.1rem; border-radius: var(--r-md); border: 1px solid var(--linea); background: var(--yeso-3); transition: border-color .2s, background-color .2s; }
.symptom:hover span { border-color: var(--tinta-2); }
.symptom input:checked + span { border-color: var(--tinta); background: #fff; box-shadow: inset 4px 0 0 var(--cobre); }
.symptom input:focus-visible + span { outline: 3px solid var(--cobre); outline-offset: 2px; }
.diag__result { border-radius: var(--r-lg); background: var(--nogal); color: #f3ece5; padding: clamp(1.4rem, 3vw, 2.2rem); min-height: 320px; display: grid; }
.diag__empty { align-self: center; justify-self: center; color: #c8b9ab; text-align: center; max-width: 24ch; }
.diag__card { display: grid; gap: .5rem; align-content: start; }
.diag__urg { justify-self: start; padding: .25rem .8rem; border-radius: 999px; font-weight: 700; font-stretch: 90%; font-size: var(--step--1); margin-bottom: .6rem; }
.u-now { background: #ff5a4f; color: #fff; }
.u-soon { background: var(--ambar); color: var(--tinta); }
.u-week { background: var(--sarro); color: var(--tinta); }
.u-wait { background: var(--escarcha); color: var(--tinta); }
.diag__h { font-size: var(--step--1); font-stretch: 90%; font-weight: 650; color: #c8b9ab; letter-spacing: 0; margin-top: .6rem; }
.diag__cause { font-size: var(--step-1); font-weight: 600; line-height: 1.35; }
.diag__note { font-size: var(--step--1); color: #c8b9ab; margin-top: .6rem; }
.diag__card .btn { justify-self: start; margin-top: 1rem; }

/* proceso: es una secuencia real */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.2rem; counter-reset: s; }
.steps li { counter-increment: s; padding-top: 1rem; border-top: 2px solid var(--tinta); }
.steps li::before { content: counter(s); display: block; font-stretch: 125%; font-weight: 800; font-size: 2.2rem; line-height: 1; color: var(--cobre); margin-bottom: .8rem; }
.steps h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.steps p { color: var(--tinta-2); }

/* planes */
.plans__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; align-items: stretch; }
.plan { display: flex; flex-direction: column; gap: 1rem; padding: 1.8rem; border-radius: var(--r-lg); background: var(--yeso-3); border: 1px solid var(--linea); }
.plan ul { margin: 0; padding-left: 1.1rem; color: var(--tinta-2); display: grid; gap: .35rem; }
.plan .btn { margin-top: auto; }
.plan__price { color: var(--tinta-2); }
.plan__price span { font-stretch: 120%; font-weight: 800; font-size: 1.9rem; color: var(--tinta); margin-right: .25rem; }
.plan--featured { background: var(--nogal); color: #f3ece5; border-color: var(--nogal); }
.plan--featured ul, .plan--featured .plan__price { color: #d7cabd; }
.plan--featured .plan__price span { color: #fff; }
.plans .fineprint { margin-top: 1rem; }

/* agenda */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem 1.4rem; padding: clamp(1.4rem, 3vw, 2.2rem); border-radius: var(--r-lg); background: var(--yeso-3); border: 1px solid var(--linea); }
.form[hidden] { display: none; }
.field { display: grid; gap: .4rem; align-content: start; }
.field--wide { grid-column: 1 / -1; }
.field label, .field__label { font-weight: 650; }
.opt { font-weight: 400; color: var(--tinta-2); }
.field input, .field select, .field textarea, .cov input {
  width: 100%; min-height: 48px; padding: .7rem .9rem;
  border-radius: var(--r-sm); border: 1.5px solid rgba(29, 32, 40, .28); background: #fff;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus, .cov input:focus { outline: none; border-color: var(--cobre); box-shadow: 0 0 0 3px rgba(181, 101, 43, .25); }
[aria-invalid="true"] { border-color: var(--err) !important; }
.field__error { color: var(--err); font-size: var(--step--1); min-height: 1.2em; }
.days, .slots { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip span { display: grid; justify-items: center; min-width: 64px; padding: .55rem .9rem; border-radius: var(--r-md); border: 1.5px solid rgba(29, 32, 40, .2); background: #fff; font-weight: 600; font-stretch: 90%; line-height: 1.2; }
.chip small { font-weight: 450; color: var(--tinta-2); }
.chip--day b { font-size: 1.35rem; font-stretch: 115%; }
.chip input:checked + span { background: var(--tinta); border-color: var(--tinta); color: #fff; }
.chip input:checked + span small { color: #cfd2d8; }
.chip input:focus-visible + span { outline: 3px solid var(--cobre); outline-offset: 2px; }
.slots .chip span { min-width: 150px; }
.check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 500; }
.check input { width: 20px; height: 20px; margin-top: .15rem; accent-color: var(--cobre); }
.confirm { padding: clamp(1.6rem, 4vw, 2.6rem); border-radius: var(--r-lg); background: var(--yeso-3); border: 1px solid var(--linea); display: grid; gap: 1rem; justify-items: start; }
.confirm[hidden] { display: none; }
.confirm dl { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1.4rem; margin: 0; }
.confirm dt { font-weight: 650; }
.confirm dd { margin: 0; color: var(--tinta-2); }

/* cobertura */
.cov { display: flex; gap: .6rem; max-width: 36rem; }
.cov input { flex: 1; }
.cov__result { margin-top: 1rem; font-weight: 600; min-height: 1.6em; }
.cov__result.is-yes { color: var(--ok); }
.cov__result.is-no { color: var(--err); }
.cov__list { list-style: none; padding: 0; margin: 1.4rem 0 0; display: flex; flex-wrap: wrap; gap: .45rem; }
.cov__list li { padding: .3rem .8rem; border-radius: 999px; background: var(--yeso-2); border: 1px solid var(--linea); font-size: var(--step--1); }

/* reseñas */
.reviews__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; }
.review { margin: 0; padding: 1.6rem; border-radius: var(--r-lg); background: var(--yeso-3); border: 1px solid var(--linea); display: flex; flex-direction: column; gap: 1.2rem; }
.review blockquote { margin: 0; font-size: 1.1rem; line-height: 1.5; }
.review figcaption { margin-top: auto; color: var(--tinta-2); font-size: var(--step--1); font-stretch: 92%; }

/* preguntas */
.faq__list { max-width: 50rem; border-top: 1px solid var(--linea); }
.faq details { border-bottom: 1px solid var(--linea); }
.faq summary { cursor: pointer; list-style: none; padding: 1.2rem 2.5rem 1.2rem 0; font-weight: 650; font-size: 1.1rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ''; position: absolute; right: .4rem; top: 50%; width: 12px; height: 12px; border-right: 2px solid var(--tinta); border-bottom: 2px solid var(--tinta); transform: translateY(-70%) rotate(45deg); transition: transform .25s var(--ease); }
.faq details[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.faq details p { padding: 0 0 1.3rem; color: var(--tinta-2); max-width: 62ch; }

/* pie */
.footer {
  margin-top: clamp(4rem, 9vw, 7rem);
  background: var(--nogal); color: #e9e0d7;
  padding: 3rem var(--pad) calc(2rem + env(safe-area-inset-bottom, 0px));
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem;
}
.footer .brand__name { color: #fff; }
.footer__brand p { margin-top: .5rem; color: #c8b9ab; }
.footer__h { font-weight: 700; color: #fff; margin-bottom: .4rem; }
.footer__legal { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, .12); font-size: var(--step--1); color: #bfae9e; }

/* whatsapp */
.wa {
  position: fixed; right: max(1rem, env(safe-area-inset-right, 0px)); bottom: calc(1rem + env(safe-area-inset-bottom, 0px)); z-index: 25;
  width: 58px; height: 58px; border-radius: 50%; border: 0; cursor: pointer;
  background: #25d366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 12px 26px -10px rgba(0, 0, 0, .45);
}
.wa svg { width: 30px; height: 30px; fill: currentColor; }

/* panel de venta */
.pitch { position: fixed; inset: 0; z-index: 60; }
.pitch[hidden] { display: none; }
.pitch__backdrop { position: absolute; inset: 0; background: rgba(29, 32, 40, .45); opacity: 0; transition: opacity .25s; }
.pitch__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(520px, 100%);
  background: var(--yeso-3); overflow-y: auto; overscroll-behavior: contain;
  padding: calc(1.6rem + env(safe-area-inset-top, 0px)) 1.6rem calc(2rem + env(safe-area-inset-bottom, 0px));
  transform: translateX(100%); transition: transform .3s var(--ease);
  display: grid; gap: 1rem; align-content: start;
}
.pitch.is-open .pitch__backdrop { opacity: 1; }
.pitch.is-open .pitch__panel { transform: none; }
.pitch__panel:focus { outline: none; }
.pitch__panel > p { color: var(--tinta-2); }
.pitch__close { justify-self: end; background: none; border: 1.5px solid var(--tinta); border-radius: 999px; padding: .35rem .9rem; cursor: pointer; font-weight: 600; }
.pitch__list { list-style: none; padding: 0; margin: .4rem 0 0; border-top: 1px solid var(--linea); }
.pitch__list li { display: flex; gap: 1rem; align-items: center; padding: .9rem 0; border-bottom: 1px solid var(--linea); }
.pitch__list h3 { font-size: 1rem; font-stretch: 105%; letter-spacing: 0; }
.pitch__list p { color: var(--tinta-2); font-size: var(--step--1); margin-top: .2rem; }
.pitch__list em { font-style: normal; font-weight: 650; color: var(--cobre-2); }
.pitch__list a { margin-left: auto; flex: none; font-weight: 650; color: var(--cobre-2); }
.pitch__sub { margin-top: 1rem; font-size: 1.2rem; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: calc(1.4rem + env(safe-area-inset-bottom, 0px)); z-index: 70;
  transform: translate(-50%, 20px); opacity: 0; transition: opacity .25s, transform .25s var(--ease);
  max-width: min(92vw, 30rem); padding: .85rem 1.2rem; border-radius: var(--r-md);
  background: var(--tinta); color: #fff; box-shadow: 0 16px 30px -14px rgba(0, 0, 0, .5); text-align: center;
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ============ Responsive ============ */
@media (max-width: 1080px) {
  .nav__list { gap: 1rem; }
  .emergency { display: none; }
}
@media (max-width: 979px) {
  .hero { grid-template-columns: 1fr; grid-template-rows: auto auto auto; min-height: 0; }
  .hero__stage { position: relative; grid-column: 1; grid-row: 1; height: min(62svh, 560px); z-index: 0; }
  .hero__stage::after { display: none; }
  .hero__controls { grid-column: 1; grid-row: 1; align-self: end; justify-self: center; margin: 0 0 1rem; z-index: 1; }
  .hero__copy { grid-row: 2; padding: 1.8rem var(--pad) 1rem; max-width: 40rem; }
  .case { grid-row: 3; margin: 0 var(--pad) 1rem; max-width: none; background: var(--yeso-3); }
  .hero__grain { opacity: .35; }
  .hero.no-webgl .hero__fallback { left: 0; }
  .section__intro { grid-template-columns: 1fr; }
  .services__grid, .plans__grid, .reviews__grid { grid-template-columns: 1fr; }
  .diag__panel { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .topbar { gap: .6rem; }
  .nav { order: 3; }
  .nav__toggle { display: inline-flex; min-height: 40px; padding: .4rem .9rem; border-radius: 999px; border: 1.5px solid var(--tinta); background: transparent; font-weight: 600; cursor: pointer; }
  .nav__list { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0; padding: .5rem var(--pad) 1rem; background: var(--yeso-3); border-bottom: 1px solid var(--linea); }
  .nav__list.is-open { display: flex; }
  .nav__list a { display: block; padding: .8rem 0; font-size: 1.05rem; }
  .topbar > .btn--sm { display: none; }
  .form { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr; }
  .cov { flex-direction: column; }
  .tab { padding: .45rem .8rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* pantallas anchas pero bajas (laptops 1366×768, 1280×720): el hero cabe completo */
@media (min-width: 980px) and (max-height: 980px) {
  .hero h1 { font-size: clamp(2.4rem, 8.2vh, 4.6rem); }
  .hero__lead { margin-top: .8rem; font-size: var(--step-0); }
  .hero__actions { margin-top: 1.1rem; }
  .hero__copy { padding-top: 1.2rem; padding-bottom: 1rem; }
}

/* Regreso visible al portafolio Alioworks */
.alioworks-regreso{position:fixed;left:18px;bottom:18px;z-index:9999;display:inline-flex;align-items:center;gap:10px;padding:13px 18px;border-radius:12px;background:#111;color:#fff;text-decoration:none;font:700 14px/1.1 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;border:1px solid rgba(181,101,43,.9);box-shadow:0 10px 30px rgba(0,0,0,.28),0 0 18px rgba(181,101,43,.15);transition:transform .18s ease,background .18s ease,box-shadow .18s ease}.alioworks-regreso:hover,.alioworks-regreso:focus-visible{transform:translateY(-2px);background:#21150f;box-shadow:0 12px 34px rgba(0,0,0,.36),0 0 22px rgba(181,101,43,.28);outline:none}.alioworks-regreso__flecha{font-size:20px;line-height:1;color:#d88a50}.alioworks-regreso__marca{font-weight:850;letter-spacing:.02em}.alioworks-regreso__texto{opacity:.78;font-weight:650}@media(max-width:640px){.alioworks-regreso{left:12px;bottom:12px;padding:12px 14px}.alioworks-regreso__texto{display:none}}