/* =============================================================
   SIK Refrigeración · styles.css
   Celeste hielo + grafito + el rojo del logo de SIK (como en su camioneta).
   Títulos en Bricolage Grotesque, textos en Figtree.
   Efecto propio: el termostato de la portada «enfría» la página de 34 °C a 24 °C.
   ============================================================= */
:root {
  --ink: #121a22;
  --ink-2: #1a2530;
  --ink-3: #26333f;
  --ice: #f4f7fa;
  --frost: #e7eff5;
  --paper: #ffffff;
  --line: #d8e2ea;
  --line-dark: #2c3a47;
  --muted: #586776;
  --muted-dark: #9fb0bf;
  --red: #e2432f;
  --red-2: #c8331f;
  --cold: #1c86c9;
  --cold-2: #7cc8ee;
  --warm: #ff8a4c;
  --ok: #1f9d6b;
  --amber: #e0a020;
  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --sans: "Figtree", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --r: 20px;
  --r-sm: 12px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --nav-h: 74px;
  --gutter: clamp(16px, 4vw, 40px);
  --heat: 0;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 400 1rem/1.65 var(--sans);
  color: var(--ink);
  background: var(--ice);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-family: var(--display); font-weight: 700; letter-spacing: -.02em; line-height: 1.08; }
h1, h2 { text-wrap: balance; }
p { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--cold); outline-offset: 3px; }
::selection { background: var(--cold); color: #fff; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip:focus { left: 8px; }

.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 var(--gutter); }
.ico { width: 1.15em; height: 1.15em; flex: none; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 700; font-size: .95rem; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s, transform .2s var(--ease), box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: none; }
.btn-sm { min-height: 42px; padding: 0 18px; font-size: .88rem; }
.btn-lg { min-height: 56px; padding: 0 26px; font-size: 1rem; }
.btn-red { background: var(--red); color: #fff; box-shadow: 0 14px 30px -14px rgba(226, 67, 47, .75); }
.btn-red:hover { background: var(--red-2); }
.btn-line { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-line:hover { background: var(--ink); color: #fff; }
.btn-white { background: #fff; color: var(--ink); }
.btn-white:hover { background: var(--cold-2); }
.btn-ghost-light { border-color: rgba(255,255,255,.35); color: #fff; background: transparent; }
.btn-ghost-light:hover { border-color: #fff; }
.btn:disabled { opacity: .55; cursor: default; transform: none; }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; height: var(--nav-h); background: rgba(244, 247, 250, .82); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s, background .3s; }
.nav.is-scrolled { border-bottom-color: var(--line); background: rgba(255, 255, 255, .9); }
.nav-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand-logo { width: 54px; height: 27px; color: var(--ink); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--display); font-size: 1.08rem; letter-spacing: -.01em; }
.brand-text small { font-size: .74rem; color: var(--muted); }
.brand--light, .brand--light .brand-logo { color: #fff; }
.brand--light .brand-text small { color: var(--muted-dark); }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { position: relative; padding: 8px 12px; border-radius: 999px; font-size: .9rem; font-weight: 600; text-decoration: none; color: var(--ink-3); transition: background .2s, color .2s; }
.nav-links a:hover { background: var(--frost); }
.nav-links a.is-active { color: var(--cold); }
.burger { display: none; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: #fff; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 14px; right: 14px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s var(--ease); }
.burger span:first-child { top: 18px; }
.burger span:last-child { top: 26px; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.drawer { position: absolute; top: var(--nav-h); left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 10px var(--gutter) 22px; display: flex; flex-direction: column; box-shadow: 0 30px 40px -30px rgba(18, 26, 34, .35); }
.drawer a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-weight: 600; font-size: 1.05rem; }
.drawer .btn { margin-top: 18px; }

/* ---------- Portada ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(36px, 6vw, 72px) 0 clamp(56px, 8vw, 96px); background:
  radial-gradient(60% 70% at 85% 20%, rgba(124, 200, 238, .35), transparent 70%),
  radial-gradient(50% 60% at 0% 100%, rgba(28, 134, 201, .12), transparent 70%),
  var(--ice); }
.hero-heat { position: absolute; inset: 0; pointer-events: none; opacity: var(--heat); background:
  radial-gradient(55% 65% at 85% 20%, rgba(255, 138, 76, .55), transparent 70%),
  radial-gradient(60% 60% at 10% 90%, rgba(255, 186, 120, .35), transparent 70%),
  linear-gradient(180deg, rgba(255, 236, 220, .7), rgba(255, 244, 236, .2)); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.14fr .86fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: .82rem; font-weight: 600; color: var(--ink-3); margin-bottom: 22px; }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(31, 157, 107, .5); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(31, 157, 107, 0); } 100% { box-shadow: 0 0 0 0 rgba(31, 157, 107, 0); } }
.hero h1 { font-size: clamp(2.5rem, 5.6vw, 4.6rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.02; }
.hl { position: relative; white-space: nowrap; color: var(--red); }
.hl::after { content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .14em; border-radius: 99px; background: currentColor; opacity: .22; }
.hl-cold { color: var(--cold); }
.hero-lead { margin-top: 22px; max-width: 34em; font-size: clamp(1.05rem, 1.4vw, 1.18rem); color: var(--muted); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-ctas .btn-lg { padding: 0 22px; }
.hero-proof { list-style: none; margin: 38px 0 0; padding: 22px 0 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, auto); gap: 28px; justify-content: start; }
.hero-proof li { display: flex; flex-direction: column; gap: 2px; }
.hero-proof strong { font-family: var(--display); font-size: 1.5rem; line-height: 1.1; letter-spacing: -.02em; }
.hero-proof small { color: var(--muted); font-size: .85rem; line-height: 1.35; max-width: 15em; }
.stars { display: inline-flex; gap: 2px; color: #f5b301; }
.stars svg { width: 14px; height: 14px; }
.stars--lg svg { width: .7em; height: .7em; }

.hero-media { position: relative; }
.hero-photo { margin: 0; border-radius: 28px; overflow: hidden; aspect-ratio: 4 / 5; max-height: 640px; margin-left: auto; box-shadow: 0 40px 80px -40px rgba(18, 26, 34, .55); background: var(--frost); }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.thermo {
  --tone: color-mix(in srgb, var(--warm) calc(var(--heat) * 100%), var(--cold));
  position: absolute; left: -28px; bottom: 34px; width: 168px; aspect-ratio: 1; border-radius: 50%;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 30px 60px -24px rgba(18, 26, 34, .45); display: grid; place-items: center; text-align: center;
}
.thermo-ring { position: absolute; inset: 8px; transform: rotate(135deg); }
.thermo-track, .thermo-arc { fill: none; stroke-width: 7; stroke-linecap: round; stroke-dasharray: 75 100; }
.thermo-track { stroke: var(--frost); }
.thermo-arc { stroke: var(--tone, var(--cold)); stroke-dasharray: calc(20 + var(--heat) * 55) 100; transition: stroke .2s; }
.thermo-read { font-family: var(--display); font-weight: 800; font-size: 3rem; line-height: 1; letter-spacing: -.04em; color: var(--tone, var(--cold)); font-variant-numeric: tabular-nums; margin-top: -6px; }
.thermo-read sup { font-size: .38em; margin-left: 2px; vertical-align: super; letter-spacing: 0; }
.thermo small { position: absolute; bottom: 30px; left: 0; right: 0; font-size: .72rem; font-weight: 600; color: var(--muted); }
.hero-tech { position: absolute; top: 22px; right: -18px; display: flex; align-items: center; gap: 10px; padding: 8px 16px 8px 8px; border-radius: 999px; background: #fff; box-shadow: 0 20px 40px -20px rgba(18, 26, 34, .45); }
.hero-tech img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.hero-tech span { display: flex; flex-direction: column; line-height: 1.2; }
.hero-tech strong { font-size: .9rem; }
.hero-tech small { font-size: .74rem; color: var(--muted); }

/* ---------- Aviso de temporada ---------- */
.season { background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.season::before { content: ""; position: absolute; inset: 0; background: radial-gradient(40% 120% at 10% 50%, rgba(28, 134, 201, .35), transparent 70%); }
.season-inner { position: relative; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; padding-top: 26px; padding-bottom: 26px; }
.season-count { display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px; border-radius: 999px; background: rgba(124, 200, 238, .14); border: 1px solid rgba(124, 200, 238, .35); color: var(--cold-2); font-weight: 700; font-size: .9rem; white-space: nowrap; }
.season-count b { font-family: var(--display); font-size: 1.15rem; color: #fff; }
.season-copy h2 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.season-copy p { color: var(--muted-dark); margin-top: 4px; }

/* ---------- Secciones ---------- */
.section { padding: clamp(72px, 10vw, 128px) 0; position: relative; }
.section-frost { background: var(--frost); }
.section-dark { background: var(--ink); color: #fff; }
.section-dark .section-lead { color: var(--muted-dark); }
.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head--row { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.section-head--row > div:first-child { max-width: 720px; }
.kicker { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--red); margin-bottom: 14px; }
.kicker--light { color: var(--cold-2); }
.section h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
.section-dark .hl-cold { color: var(--cold-2); }
.section-lead { margin-top: 16px; font-size: 1.08rem; color: var(--muted); max-width: 40em; }

/* ---------- Aparición ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Servicios ---------- */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service { background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; transition: transform .35s var(--ease), box-shadow .35s; }
.service:hover { transform: translateY(-4px); box-shadow: 0 30px 50px -30px rgba(18, 26, 34, .4); }
.service-img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--frost); }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.service:hover .service-img img { transform: scale(1.05); }
.service-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.service-n { font-family: var(--display); font-weight: 700; font-size: .85rem; color: var(--cold); }
.service h3 { font-size: 1.35rem; }
.service p { color: var(--muted); font-size: .95rem; }
.service-link { margin-top: auto; padding-top: 8px; display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: .9rem; color: var(--red); text-decoration: none; }
.service-link .ico { transition: transform .2s; }
.service-link:hover .ico { transform: translateX(4px); }
.extras { list-style: none; margin: 26px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.extras li { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-weight: 600; font-size: .92rem; }
.extras .ico { color: var(--cold); }

/* ---------- Diagnóstico con IA ---------- */
.section-dark#diagnostico { background:
  radial-gradient(50% 60% at 100% 0%, rgba(28, 134, 201, .28), transparent 70%),
  radial-gradient(40% 50% at 0% 100%, rgba(226, 67, 47, .12), transparent 70%),
  var(--ink); }
.diag { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(20px, 3vw, 36px); align-items: start; }
.unit { position: sticky; top: calc(var(--nav-h) + 20px); border-radius: 26px; background: linear-gradient(160deg, #1d2a36, #121a22); border: 1px solid var(--line-dark); padding: 28px 24px 22px; min-height: 420px; display: flex; flex-direction: column; overflow: hidden; }
.unit::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(124, 200, 238, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(124, 200, 238, .06) 1px, transparent 1px); background-size: 28px 28px; pointer-events: none; }
.unit-scene { position: relative; flex: 1; display: grid; place-items: center; min-height: 230px; }
.unit-svg { width: 100%; max-width: 380px; overflow: visible; }
.unit-body { fill: #f3f7fa; }
.unit-face { fill: #e3ebf1; }
.unit-vent { stroke: #b9c7d2; stroke-width: 3; stroke-linecap: round; fill: none; }
.unit-display { fill: #0d151c; }
.unit-display-txt { font: 700 14px var(--display); fill: var(--cold-2); letter-spacing: .5px; }
.unit-led { fill: var(--ok); }
.unit-air path { fill: none; stroke: var(--cold-2); stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 8 10; animation: air 1.6s linear infinite; opacity: .85; }
.unit-air path:nth-child(2) { animation-delay: -.5s; }
.unit-air path:nth-child(3) { animation-delay: -1s; }
@keyframes air { to { stroke-dashoffset: -36; } }
.unit-drip, .unit-noise { opacity: 0; }
.unit-drip path { fill: var(--cold-2); }
.unit-noise path { fill: none; stroke: var(--amber); stroke-width: 2.5; stroke-linecap: round; }
.unit-scan { fill: var(--cold-2); opacity: 0; filter: drop-shadow(0 0 8px var(--cold-2)); }
.unit[data-state="no_enfria"] .unit-air path { stroke: var(--warm); }
.unit[data-state="gotea"] .unit-drip { opacity: 1; }
.unit[data-state="gotea"] .unit-drip path { animation: drip 1.4s ease-in infinite; }
.unit[data-state="gotea"] .unit-drip path:last-child { animation-delay: .7s; }
@keyframes drip { 0% { transform: translateY(0); opacity: 1; } 80% { opacity: 1; } 100% { transform: translateY(26px); opacity: 0; } }
.unit[data-state="ruido"] .unit-noise { opacity: 1; animation: blink 1s steps(2) infinite; }
.unit[data-state="ruido"] .unit-svg { animation: shake .25s linear infinite; }
@keyframes shake { 25% { transform: translate(1px, -1px); } 75% { transform: translate(-1px, 1px); } }
.unit[data-state="no_enciende"] .unit-air { opacity: 0; }
.unit[data-state="no_enciende"] .unit-led { fill: #55626e; }
.unit[data-state="olor"] .unit-air path { stroke: #b6c46a; stroke-dasharray: 3 8; }
.unit[data-state="error"] .unit-display-txt { fill: var(--red); animation: blink 1s steps(2) infinite; }
.unit[data-state="error"] .unit-led { fill: var(--red); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: .2; } }
.unit.is-scanning .unit-scan { opacity: .9; animation: scan 1.6s var(--ease) infinite alternate; }
@keyframes scan { from { transform: translateX(0); } to { transform: translateX(294px); } }
.unit.is-done .unit-led { fill: var(--ok); animation: none; }
.unit-photo { position: absolute; right: 0; bottom: 0; width: 92px; height: 92px; object-fit: cover; border-radius: 14px; border: 3px solid #fff; box-shadow: 0 16px 30px -12px rgba(0,0,0,.6); transform: rotate(4deg); }
.unit-tags { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; min-height: 30px; position: relative; }
.unit-tags li { padding: 5px 11px; border-radius: 999px; background: rgba(124, 200, 238, .12); border: 1px solid rgba(124, 200, 238, .3); color: var(--cold-2); font-size: .78rem; font-weight: 600; animation: stepIn .35s var(--ease); }
.unit-status { position: relative; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line-dark); font-size: .88rem; color: var(--muted-dark); display: flex; align-items: center; gap: 8px; }
.unit-status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cold-2); flex: none; }
.unit.is-scanning .unit-status::before { animation: blink .8s infinite; }

.diag-main { min-width: 0; }
.dz, .report { background: rgba(255, 255, 255, .04); border: 1px solid var(--line-dark); border-radius: 26px; padding: clamp(22px, 3vw, 34px); }
.dz-top { display: flex; align-items: center; gap: 16px; font-size: .84rem; color: var(--muted-dark); margin-bottom: 22px; }
.dz-bar { flex: 1; height: 5px; border-radius: 9px; background: var(--line-dark); overflow: hidden; }
.dz-bar i { display: block; height: 100%; width: 20%; border-radius: 9px; background: linear-gradient(90deg, var(--cold), var(--cold-2)); transition: width .4s var(--ease); }
.dz-step { border: 0; margin: 0; padding: 0; min-width: 0; animation: stepIn .4s var(--ease); }
@keyframes stepIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.dz-step legend { font-family: var(--display); font-weight: 700; font-size: clamp(1.4rem, 2.4vw, 1.8rem); letter-spacing: -.02em; margin-bottom: 18px; padding: 0; }
.dz-step legend small { font-family: var(--sans); font-size: .9rem; font-weight: 500; color: var(--muted-dark); letter-spacing: 0; }
.opts { display: grid; gap: 10px; }
.opts--2 { grid-template-columns: repeat(2, 1fr); }
.opts--3 { grid-template-columns: repeat(3, 1fr); }
.opt { position: relative; cursor: pointer; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt span { display: flex; flex-direction: column; justify-content: center; gap: 2px; min-height: 64px; padding: 12px 16px; border-radius: 14px; border: 1.5px solid var(--line-dark); background: rgba(255, 255, 255, .03); transition: border-color .2s, background .2s, transform .2s var(--ease); }
.opt b { font-weight: 700; font-size: .98rem; }
.opt small { color: var(--muted-dark); font-size: .8rem; line-height: 1.3; }
.opt:hover span { border-color: var(--cold-2); }
.opt input:checked + span { border-color: var(--cold-2); background: rgba(124, 200, 238, .14); }
.opt input:focus-visible + span { outline: 2px solid var(--cold-2); outline-offset: 2px; }
.dz-cols { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 8px; font-size: .9rem; font-weight: 600; }
.field small { font-weight: 500; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; border: 1.5px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); padding: 12px 14px; font-size: 16px; font-weight: 500; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cold); }
.section-dark .field textarea { background: rgba(255, 255, 255, .06); border-color: var(--line-dark); color: #fff; min-height: 150px; }
.section-dark .field textarea::placeholder { color: #7d8e9d; }
.upload { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 6px; padding: 18px; border-radius: 14px; border: 1.5px dashed var(--line-dark); cursor: pointer; transition: border-color .2s, background .2s; }
.upload input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload .ico { width: 30px; height: 30px; color: var(--cold-2); }
.upload strong { font-size: .95rem; }
.upload small { color: var(--muted-dark); font-size: .8rem; line-height: 1.35; }
.upload:hover, .upload.is-drag { border-color: var(--cold-2); background: rgba(124, 200, 238, .08); }
.upload.has-file { border-style: solid; border-color: var(--ok); }
.upload.has-file .ico { color: var(--ok); }
.dz-error { margin-top: 14px; color: #ff9c8f; font-weight: 600; font-size: .9rem; }
.dz-actions { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.dz-actions .btn:last-child { margin-left: auto; }

.report { animation: stepIn .45s var(--ease); }
.report-kicker { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; color: var(--cold-2); }
.report h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-top: 8px; }
.urgency { margin-top: 14px; display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 8px 14px; border-radius: 12px; background: rgba(255, 255, 255, .06); font-size: .9rem; color: var(--muted-dark); }
.urgency i { width: 10px; height: 10px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.urgency b { color: #fff; }
.urgency[data-level="baja"] i { background: var(--ok); box-shadow: 0 0 12px var(--ok); }
.urgency[data-level="alta"] i { background: var(--red); box-shadow: 0 0 12px var(--red); }
.report-seen { display: flex; gap: 12px; margin-top: 18px; padding: 14px 16px; border-radius: 14px; background: rgba(124, 200, 238, .1); border: 1px solid rgba(124, 200, 238, .25); font-size: .93rem; }
.report-seen .ico { color: var(--cold-2); margin-top: 3px; }
.report-block { margin-top: 22px; }
.report-block h4 { font-family: var(--sans); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--muted-dark); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.causes { list-style: none; margin: 0; padding: 0; counter-reset: c; display: grid; gap: 10px; }
.causes li { counter-increment: c; display: grid; grid-template-columns: 34px 1fr; gap: 2px 12px; padding: 12px 14px; border-radius: 14px; background: rgba(255, 255, 255, .05); }
.causes li::before { content: counter(c); grid-row: span 2; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--cold); font: 700 .9rem var(--display); }
.causes b { font-weight: 700; }
.causes span { color: var(--muted-dark); font-size: .9rem; }
.report-cols { display: grid; grid-template-columns: 1.3fr 1fr; gap: 14px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.checks li { display: flex; gap: 10px; font-size: .93rem; }
.checks li::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 3px; border-radius: 6px; border: 1.5px solid var(--cold-2); background: rgba(124, 200, 238, .12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%237cc8ee' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='m5 12.5 4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 12px no-repeat; }
.report-warn { padding: 14px 16px; border-radius: 14px; background: rgba(226, 67, 47, .12); border: 1px solid rgba(226, 67, 47, .35); }
.report-warn h4 { color: #ff9c8f; }
.report-warn p { font-size: .93rem; }
.report-service { margin-top: 20px; font-size: .95rem; color: var(--muted-dark); }
.report-service b { color: #fff; }
.report-tip { margin-top: 8px; font-size: .93rem; color: var(--muted-dark); }
.report-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.report-note { margin-top: 16px; font-size: .78rem; color: #7d8e9d; }

/* ---------- Quién te atiende ---------- */
.cristian-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.cristian-card { position: relative; border-radius: 28px; overflow: hidden; aspect-ratio: 4 / 5; max-width: 460px; box-shadow: 0 40px 80px -40px rgba(18, 26, 34, .55); }
.cristian-card > img { width: 100%; height: 100%; object-fit: cover; }
.cristian-badge { position: absolute; left: 14px; right: 14px; bottom: 14px; display: flex; align-items: center; gap: 12px; padding: 10px 14px 10px 10px; border-radius: 18px; background: rgba(255, 255, 255, .94); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.cristian-badge img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.cristian-badge span { display: flex; flex-direction: column; line-height: 1.25; }
.cristian-badge small { color: var(--muted); font-size: .8rem; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.value { padding: 22px 20px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.value h3 { font-size: 1.3rem; color: var(--cold); }
.value p { font-size: .94rem; color: var(--ink-3); }
.value small { margin-top: auto; color: var(--muted); font-size: .8rem; }
.steps { list-style: none; margin: clamp(56px, 8vw, 88px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.steps::before { content: ""; position: absolute; top: 27px; left: 28px; right: 28px; height: 2px; background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 14px); }
.steps li { position: relative; }
.step-n { position: relative; display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--ink); color: #fff; font: 800 1.4rem var(--display); margin-bottom: 16px; box-shadow: 0 0 0 6px var(--ice); }
.steps li:last-child .step-n { background: var(--cold); }
.steps h3 { font-size: 1.2rem; }
.steps p { margin-top: 6px; color: var(--muted); font-size: .95rem; }

/* ---------- Trabajos ---------- */
.social-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.mosaic { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 210px; gap: 14px; }
.tile { position: relative; margin: 0; border-radius: 18px; overflow: hidden; background: var(--line); }
.tile--wide { grid-column: span 2; grid-row: span 2; }
.tile--tall { grid-row: span 2; }
.tile--half { grid-column: span 2; }
.tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.tile:hover img { transform: scale(1.05); }
.tile figcaption { position: absolute; left: 10px; bottom: 10px; padding: 6px 12px; border-radius: 999px; background: rgba(18, 26, 34, .78); color: #fff; font-size: .8rem; font-weight: 600; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.videos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.video-card { display: flex; align-items: center; gap: 16px; padding: 16px 20px 16px 16px; border-radius: 18px; background: #fff; border: 1px solid var(--line); text-decoration: none; transition: transform .25s var(--ease), box-shadow .25s; }
.video-card:hover { transform: translateY(-3px); box-shadow: 0 24px 40px -26px rgba(18, 26, 34, .45); }
.video-play { width: 52px; height: 52px; border-radius: 14px; background: var(--ink); color: #fff; display: grid; place-items: center; flex: none; }
.video-play .ico { width: 24px; height: 24px; }
.video-card > span:nth-child(2) { display: flex; flex-direction: column; line-height: 1.3; flex: 1; }
.video-card strong { font-size: 1rem; }
.video-card small { color: var(--muted); font-size: .85rem; margin-top: 2px; }
.video-arrow { color: var(--red); transition: transform .2s; }
.video-card:hover .video-arrow { transform: translateX(4px); }

/* ---------- Opiniones ---------- */
#opiniones h2 .stars { vertical-align: .05em; }
.reviews { columns: 3 300px; column-gap: 16px; }
.review { break-inside: avoid; margin: 0 0 16px; padding: 24px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); }
.review p { font-size: 1rem; color: var(--ink-3); }
.review footer { display: flex; align-items: center; gap: 10px; margin-top: 16px; font-weight: 700; font-size: .92rem; }
.avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--frost); color: var(--cold); font: 800 .95rem var(--display); }
.review footer::after { content: "★★★★★"; margin-left: auto; color: #f5b301; letter-spacing: 1px; font-size: .85rem; }

/* ---------- Zona ---------- */
.zona-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.zones { list-style: none; margin: 26px 0 28px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.zones li { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-weight: 600; font-size: .93rem; }
.zones li.is-home { background: var(--ink); color: #fff; border-color: var(--ink); }
.map { border-radius: 24px; overflow: hidden; height: 440px; background: var(--line); box-shadow: 0 30px 60px -36px rgba(18, 26, 34, .5); }
.map iframe { width: 100%; height: 100%; border: 0; display: block; filter: saturate(.8); }

/* ---------- Preguntas ---------- */
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.faq-grid .section-head { position: sticky; top: calc(var(--nav-h) + 24px); margin-bottom: 0; }
.faq-grid .section-head .btn { margin-top: 24px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 18px; padding: 22px 0; font-family: var(--display); font-weight: 600; font-size: 1.15rem; letter-spacing: -.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--frost); color: var(--cold); font: 600 1.3rem/1 var(--sans); transition: transform .25s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 48px 22px 0; color: var(--muted); }

/* ---------- Contacto ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.contact-list { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 18px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-list .ico { width: 22px; height: 22px; margin-top: 4px; color: var(--cold-2); }
.contact-list span { display: flex; flex-direction: column; font-size: 1.02rem; }
.contact-list small { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-dark); font-weight: 700; }
.contact-list .contact-inline { display: block; }
.contact-list a { color: #fff; text-decoration-color: rgba(255,255,255,.35); text-underline-offset: 3px; }
.contact-list a:hover { text-decoration-color: #fff; }
.hours { margin-top: 30px; padding: 20px 22px; border-radius: 18px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line-dark); }
.hours-title { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 10px; }
.hours-title .ico { color: var(--cold-2); }
.open-badge { margin-left: auto; padding: 3px 10px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.open-badge.is-open { background: rgba(31, 157, 107, .2); color: #6be0ac; }
.open-badge.is-closed { background: rgba(226, 67, 47, .18); color: #ff9c8f; }
.hours dl { margin: 0; display: grid; }
.hours dl div { display: flex; justify-content: space-between; padding: 7px 10px; border-radius: 8px; font-size: .94rem; color: var(--muted-dark); }
.hours dt, .hours dd { margin: 0; }
.hours div.is-today { background: rgba(124, 200, 238, .12); color: #fff; font-weight: 700; }
.contact-form { background: #fff; color: var(--ink); border-radius: 26px; padding: clamp(24px, 3vw, 36px); display: grid; gap: 16px; box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .6); }
.contact-form h3 { font-size: 1.7rem; }
.contact-form > p { color: var(--muted); margin-top: -8px; }
.contact-form .btn { margin-top: 4px; }
.field.has-error input { border-color: var(--red); }
.form-error { color: var(--red); font-weight: 600; font-size: .9rem; }

/* ---------- Pie ---------- */
.footer { background: #0b1117; color: #fff; padding: 56px 0 32px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid var(--line-dark); }
.footer-claim { font-family: var(--display); font-size: clamp(1.3rem, 2.4vw, 1.8rem); font-weight: 700; letter-spacing: -.02em; color: var(--cold-2); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 32px 0; }
.footer-title { font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-dark); margin-bottom: 10px; font-weight: 700; }
.footer-grid p:not(.footer-title) { font-size: .93rem; line-height: 1.8; }
.footer-grid a { text-decoration: none; }
.footer-grid a:hover { text-decoration: underline; }
.footer-legal { font-size: .76rem; color: #7d8e9d; max-width: 70em; }

/* ---------- WhatsApp flotante ---------- */
.wsp-float { position: fixed; right: 24px; bottom: 96px; z-index: 60; width: 52px; height: 52px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 14px 30px -12px rgba(0, 0, 0, .45); transition: transform .25s var(--ease); }
.wsp-float:hover { transform: translateY(-3px); }
.wsp-float svg { width: 27px; height: 27px; }

/* ---------- Brisa · chat ---------- */
.chat { position: fixed; right: 24px; bottom: 24px; z-index: 70; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.chat-toggle { display: inline-flex; align-items: center; gap: 10px; height: 58px; padding: 0 22px 0 18px; border-radius: 999px; border: 1px solid rgba(255,255,255,.2); background: var(--ink); color: #fff; cursor: pointer; box-shadow: 0 18px 40px -16px rgba(0,0,0,.6); font-weight: 700; font-size: .92rem; transition: transform .25s var(--ease); }
.chat-toggle:hover { transform: translateY(-2px); }
.chat-toggle svg { width: 22px; height: 22px; color: var(--cold-2); }
.chat-ico-open { animation: spin 8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.chat-ico-close { display: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.chat.is-open .chat-ico-open { display: none; }
.chat.is-open .chat-ico-close { display: block; }
.chat-teaser { position: relative; max-width: 270px; background: #fff; border: 1px solid var(--line); border-radius: 16px 16px 4px 16px; padding: 14px 34px 14px 16px; font-size: .88rem; box-shadow: 0 20px 40px -20px rgba(0,0,0,.4); cursor: pointer; animation: stepIn .4s var(--ease); }
.chat-teaser-x { position: absolute; top: 6px; right: 8px; border: 0; background: none; font-size: 1.2rem; cursor: pointer; color: var(--muted); }
.chat-panel {
  position: absolute; right: 0; bottom: 72px;
  width: min(390px, calc(100vw - 32px)); height: min(600px, calc(100vh - 130px));
  background: #fff; border: 1px solid var(--line); border-radius: 22px; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.5);
  transform-origin: bottom right; transform: translateY(10px) scale(.96); opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s .3s;
}
.chat.is-open .chat-panel { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.chat-head { display: flex; align-items: center; gap: 12px; padding: 14px 14px 14px 16px; background: var(--ink); color: #fff; }
.chat-avatar { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(140deg, var(--cold), var(--cold-2)); display: grid; place-items: center; color: #fff; flex: none; }
.chat-avatar svg { width: 22px; height: 22px; }
.chat-title { flex: 1; line-height: 1.2; }
.chat-title strong { font: 700 1.2rem var(--display); display: block; }
.chat-title small { font-size: .74rem; color: var(--muted-dark); display: flex; align-items: center; gap: 6px; }
.live { width: 7px; height: 7px; border-radius: 50%; background: #6be0ac; animation: blink 1.6s infinite; }
.chat-x { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-dark); background: none; cursor: pointer; display: grid; place-items: center; }
.chat-x svg { width: 18px; height: 18px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; }
.chat-log { flex: 1; overflow-y: auto; padding: 18px 16px; display: flex; flex-direction: column; gap: 10px; background: var(--ice); overscroll-behavior: contain; }
.msg { max-width: 86%; padding: 11px 14px; border-radius: 16px; font-size: .92rem; line-height: 1.5; word-wrap: break-word; animation: stepIn .3s var(--ease); }
.msg p + p { margin-top: 6px; }
.msg ul { margin: 6px 0; padding-left: 18px; }
.msg a { font-weight: 700; color: var(--cold); }
.msg--bot { background: #fff; border: 1px solid var(--line); border-bottom-left-radius: 4px; align-self: flex-start; }
.msg--user { background: var(--ink); color: #fff; border-bottom-right-radius: 4px; align-self: flex-end; }
.msg--user a { color: #fff; }
.msg--typing { display: flex; gap: 4px; padding: 14px; }
.msg--typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--cold); animation: typing 1s infinite; }
.msg--typing i:nth-child(2) { animation-delay: .15s; }
.msg--typing i:nth-child(3) { animation-delay: .3s; }
@keyframes typing { 0%, 60%, 100% { opacity: .25; transform: none; } 30% { opacity: 1; transform: translateY(-3px); } }
.wa-link { text-decoration: underline; }
.chat-suggest { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 16px 10px; background: var(--ice); }
.chat-suggest:empty { display: none; }
.chat-suggest button { border: 1px solid var(--cold); color: var(--cold); background: #fff; border-radius: 999px; padding: 7px 12px; font-size: .8rem; font-weight: 600; cursor: pointer; text-align: left; transition: all .2s; }
.chat-suggest button:hover { background: var(--cold); color: #fff; }
.chat-form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); background: #fff; }
.chat-form input { flex: 1; min-width: 0; border: 1.5px solid var(--line); border-radius: 999px; padding: 0 16px; height: 46px; font-size: 16px; }
.chat-form input:focus { outline: none; border-color: var(--cold); }
.chat-form button { width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--red); cursor: pointer; display: grid; place-items: center; flex: none; }
.chat-form button svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.chat-form button:disabled { opacity: .5; }

/* ---------- Responsive ---------- */
@media (max-width: 1140px) {
  .nav-links { display: none; }
  .burger { display: block; }
  .nav-cta { margin-left: auto; }
  .services { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .hero-grid, .cristian-grid, .zona-grid, .faq-grid, .contact-grid, .diag { grid-template-columns: 1fr; }
  .hero-media { max-width: 520px; width: 100%; margin: 0 auto; padding: 0 12px; }
  .hero-proof { grid-template-columns: repeat(3, 1fr); }
  .season-inner { grid-template-columns: 1fr; gap: 14px; justify-items: start; }
  .unit { position: relative; top: 0; min-height: 0; }
  .unit-scene { min-height: 170px; }
  .cristian-card { max-width: 520px; margin: 0 auto; width: 100%; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .steps::before { display: none; }
  .faq-grid .section-head { position: static; }
  .mosaic { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .report-cols { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  :root { --nav-h: 64px; }
  .brand-logo { width: 46px; height: 23px; }
  .brand-text small { display: none; }
  .nav-cta { display: none; }
  .burger { margin-left: auto; }
  .hero h1 { font-size: clamp(2.3rem, 10.5vw, 3rem); }
  .hl { white-space: normal; }
  .hero-ctas .btn { width: 100%; }
  .hero-proof { gap: 12px; }
  .hero-proof strong { font-size: 1.15rem; }
  .hero-proof small { font-size: .74rem; }
  .thermo { width: 128px; left: -6px; bottom: 18px; }
  .thermo-read { font-size: 2.3rem; }
  .thermo small { bottom: 22px; font-size: .64rem; }
  .hero-tech { right: -4px; top: 14px; }
  .services { grid-template-columns: 1fr; }
  .unit { padding: 18px 16px 16px; }
  .unit-scene { min-height: 120px; }
  .unit-photo { width: 64px; height: 64px; }
  .tile--half { grid-column: span 1; }
  .opts--2, .opts--3 { grid-template-columns: 1fr 1fr; }
  .opt span { min-height: 60px; padding: 10px 12px; }
  .opt b { font-size: .92rem; }
  .dz-cols { grid-template-columns: 1fr; }
  .dz-actions .btn { flex: 1 1 auto; }
  .dz-actions .btn:last-child { margin-left: 0; }
  .values { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps li { display: grid; grid-template-columns: 56px 1fr; column-gap: 16px; }
  .step-n { margin: 0; grid-row: span 2; }
  .mosaic { grid-auto-rows: 140px; gap: 10px; }
  .tile--wide { grid-column: span 2; grid-row: span 2; }
  .tile--tall { grid-row: span 2; }
  .tile figcaption { font-size: .72rem; left: 8px; bottom: 8px; }
  .videos { grid-template-columns: 1fr; }
  .map { height: 300px; }
  .footer-grid { grid-template-columns: 1fr; }
  .faq details p { padding-right: 0; }
  .chat { right: 16px; bottom: 16px; }
  .chat-toggle { width: 56px; height: 56px; padding: 0; justify-content: center; position: relative; }
  /* En el celular el botón queda redondo, con una etiqueta «IA» */
  .chat-toggle-label { position: absolute; top: -6px; right: -4px; font-size: 0; background: var(--red); color: #fff; border-radius: 999px; padding: 2px 6px; line-height: 1.2; }
  .chat-toggle-label::after { content: "IA"; font-size: .62rem; letter-spacing: .04em; }
  .chat.is-open .chat-toggle-label { display: none; }
  .wsp-float { right: 20px; bottom: 86px; width: 48px; height: 48px; }
  html.chat-open .wsp-float { display: none; }
  .chat-panel { bottom: 66px; height: min(600px, calc(100dvh - 100px)); }
}
@media (prefers-reduced-motion: reduce) {
  .unit-air path, .chat-ico-open, .dot-live, .unit[data-state="ruido"] .unit-svg { animation: none; }
}