/* =============================================================
   SolarNorte (demo) · Estilo cinematográfico oscuro
   Verde casi negro + acento menta/turquesa, foto a sangre,
   tarjetas de vidrio con datos, sans geométrica fuerte.
   ============================================================= */

/* 1. Tokens */
:root {
  --bg: #06110f;
  --bg-2: #0a1b18;
  --bg-3: #0f2521;
  --ink: #f1f7f5;
  --ink-soft: #c6d6d1;
  --mute: #8fa8a1;
  --line: rgba(241, 247, 245, 0.10);
  --accent: #3be0b3;
  --accent-2: #19c3d3;
  --accent-ink: #032019;
  --wa: #25d366;
  --display: "Inter Tight", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 22px;
  --gutter: 20px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 2. Reset & base */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { font-family: var(--sans); font-size: 17px; line-height: 1.6; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -0.035em; line-height: 1.04; text-wrap: balance; }
svg use { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 999; padding: .6rem 1rem; background: var(--ink); color: var(--bg); border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }
.container.narrow { max-width: calc(820px + 2 * var(--gutter)); }

/* Vidrio oscuro con respaldo sólido */
.glass { background: rgba(14, 34, 30, 0.86); border: 1px solid rgba(255,255,255,.09); box-shadow: 0 1px 0 rgba(255,255,255,.05) inset, 0 30px 60px -30px rgba(0,0,0,.7); }
@supports ((backdrop-filter: blur(16px)) or (-webkit-backdrop-filter: blur(16px))) {
  .glass { background: rgba(14, 34, 30, 0.55); backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%); }
}

/* 3. Tipografía */
.eyebrow, .kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.eyebrow { margin-bottom: 14px; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.kicker { color: var(--ink-soft); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.h2 { font-size: clamp(32px, 5vw, 56px); }
.hl { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 18px; color: var(--ink-soft); max-width: 56ch; margin-top: 16px; }
.head { margin-bottom: 44px; max-width: 760px; }
.head.center { text-align: center; margin-left: auto; margin-right: auto; }
.head.center .eyebrow { justify-content: center; }

/* 4. Componentes */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 54px; padding: 0 26px; border-radius: 999px; font-family: var(--display); font-weight: 600; font-size: 16px; text-align: center; line-height: 1.2; transition: transform .4s var(--ease-soft), box-shadow .4s var(--ease-soft), filter .3s; }
.btn:hover { transform: translateY(-2px); }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); box-shadow: 0 0 0 1px rgba(59,224,179,.3), 0 14px 34px -12px rgba(59,224,179,.65); }
.btn-accent:hover { filter: brightness(1.06); box-shadow: 0 0 0 1px rgba(59,224,179,.4), 0 22px 46px -14px rgba(59,224,179,.8); }
.btn-block { width: 100%; }
.btn-text { display: inline-flex; align-items: center; gap: 8px; font-family: var(--display); font-weight: 600; font-size: 15px; color: var(--ink); padding: 10px 6px; }
.btn-text svg { transition: transform .4s var(--ease-out); }
.btn-text:hover svg { transform: translateX(4px); }
.btn-link { width: 100%; min-height: 44px; color: var(--mute); text-decoration: underline; text-underline-offset: 3px; }
.ico { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; color: var(--accent); background: rgba(59,224,179,.1); border: 1px solid rgba(59,224,179,.2); }

/* 5. Secciones */
.demo-ribbon { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 12px; padding: 7px var(--gutter); background: #000; color: rgba(255,255,255,.75); font-size: 12px; text-align: center; }
.demo-ribbon a { color: #ffb000; font-weight: 700; }

.nav { position: absolute; left: 0; right: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 20px; max-width: 1200px; margin: 0 auto; padding: 18px var(--gutter); }
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 19px; letter-spacing: -0.03em; }
.logo-mark { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; width: 22px; height: 22px; }
.logo-mark i { border-radius: 3px; background: var(--accent); }
.logo-mark i:nth-child(2), .logo-mark i:nth-child(3) { opacity: .55; }
.nav-links { display: none; gap: 30px; font-size: 14.5px; color: var(--ink-soft); }
.nav-links a:hover { color: #fff; }
.nav-cta { font-family: var(--display); font-weight: 600; font-size: 14px; padding: 10px 18px; border-radius: 999px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); white-space: nowrap; box-shadow: 0 8px 22px -10px rgba(59,224,179,.7); }

/* Hero cinematográfico */
.hero { position: relative; isolation: isolate; min-height: min(100svh, 880px); display: flex; align-items: center; padding: 120px 0 130px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% 40%; z-index: -2; filter: saturate(1.05) contrast(1.05); animation: kenburns 30s ease-in-out infinite; }
.hero-shade {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(4,14,12,.94) 0%, rgba(4,14,12,.78) 36%, rgba(4,14,12,.25) 70%, rgba(4,14,12,.35) 100%),
    linear-gradient(180deg, rgba(4,14,12,.55) 0%, rgba(4,14,12,0) 30%, rgba(4,14,12,0) 62%, var(--bg) 100%),
    radial-gradient(60% 50% at 20% 60%, rgba(25,195,211,.12), transparent 70%);
}
.hero-grid { display: grid; gap: 40px; align-items: center; }
.hero-title { font-size: clamp(42px, 7vw, 82px); font-weight: 800; line-height: 1.02; letter-spacing: -0.03em; margin: 20px 0 22px; max-width: 13ch; }
.hero-sub { font-size: clamp(16.5px, 1.5vw, 18.5px); color: var(--ink-soft); max-width: 50ch; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 30px; }
.hero-checks { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 30px; font-size: 13.5px; color: var(--ink-soft); }
.hero-checks li { display: inline-flex; align-items: center; gap: 7px; }
.hero-checks svg { color: var(--accent); }

.saving-card { justify-self: end; width: 230px; padding: 18px; border-radius: 20px; display: none; }
.sc-label { font-size: 12px; color: var(--mute); }
.sc-num { font-family: var(--display); font-weight: 800; font-size: 44px; letter-spacing: -0.04em; line-height: 1.05; color: var(--accent); }
.sc-bars { display: flex; align-items: flex-end; gap: 6px; height: 64px; margin: 12px 0 10px; }
.sc-bars i { flex: 1; height: var(--h); border-radius: 5px 5px 2px 2px; background: linear-gradient(180deg, var(--accent), rgba(25,195,211,.35)); }
.sc-bars i:first-child { background: rgba(241,247,245,.25); }
.sc-foot { font-size: 12px; color: var(--mute); }
.sc-foot span { color: var(--accent); }

.scroll-cue { position: absolute; left: 50%; bottom: 112px; transform: translateX(-50%); display: none; flex-direction: column; align-items: center; gap: 8px; font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--mute); }
.scroll-cue span { width: 1px; height: 26px; background: linear-gradient(var(--accent), transparent); animation: cue 2s ease-in-out infinite; }

/* Cifras sobre el borde del hero */
.stats-wrap { position: relative; z-index: 5; margin-top: -86px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; border-radius: 24px; overflow: hidden; }
.stat { padding: 22px 18px; text-align: center; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat b { display: block; font-family: var(--display); font-weight: 700; font-size: clamp(26px, 3.4vw, 40px); letter-spacing: -0.04em; line-height: 1.1; color: var(--accent); }
.stat span { font-size: 12.5px; color: var(--mute); }

.section { position: relative; padding: 90px 0; }
.section-tight { padding: 30px 0; }

/* Ventajas */
.cards-4 { display: grid; gap: 14px; }
.card { padding: 26px; border-radius: var(--radius); transition: border-color .4s, box-shadow .5s var(--ease-out); }
.card:hover { border-color: rgba(59,224,179,.35); }
.card h3 { font-size: 20px; margin: 20px 0 8px; letter-spacing: -0.02em; }
.card p { color: var(--ink-soft); font-size: 15.5px; }

/* Simulador */
.calc-section { overflow: hidden; }
.glow { position: absolute; left: 50%; top: 10%; width: 900px; height: 600px; transform: translateX(-30%); background: radial-gradient(closest-side, rgba(59,224,179,.16), transparent); pointer-events: none; z-index: -1; }
.calc-grid { display: grid; gap: 34px; }
.mini-list { list-style: none; padding: 0; margin-top: 22px; display: grid; gap: 10px; color: var(--ink-soft); font-size: 15px; }
.mini-list li { display: flex; align-items: center; gap: 10px; }
.mini-list svg { color: var(--accent); }
.calc { padding: 24px 20px; border-radius: 28px; }
.calc-type { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 4px; border-radius: 999px; background: rgba(0,0,0,.3); border: 1px solid var(--line); margin-bottom: 22px; }
.calc-type label { position: relative; text-align: center; padding: 10px; border-radius: 999px; font-weight: 600; font-size: 15px; cursor: pointer; color: var(--ink-soft); transition: background .3s, color .3s; }
.calc-type input { position: absolute; opacity: 0; pointer-events: none; }
.calc-type label:has(input:checked) { background: var(--ink); color: var(--bg); }
.calc-type label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.calc-label { display: block; font-size: 14px; font-weight: 500; color: var(--mute); }
.calc-amount { display: block; font-family: var(--display); font-size: clamp(46px, 12vw, 62px); font-weight: 800; letter-spacing: -0.045em; line-height: 1.1; margin: 2px 0 12px; font-variant-numeric: tabular-nums; }
.calc-range { width: 100%; height: 34px; -webkit-appearance: none; appearance: none; background: transparent; cursor: pointer; }
.calc-range::-webkit-slider-runnable-track { height: 8px; border-radius: 8px; background: linear-gradient(90deg, var(--accent) var(--p, 21%), rgba(241,247,245,.12) var(--p, 21%)); }
.calc-range::-moz-range-track { height: 8px; border-radius: 8px; background: rgba(241,247,245,.12); }
.calc-range::-moz-range-progress { height: 8px; border-radius: 8px; background: var(--accent); }
.calc-range::-webkit-slider-thumb { -webkit-appearance: none; width: 28px; height: 28px; margin-top: -10px; border-radius: 50%; background: #fff; border: 4px solid var(--accent); box-shadow: 0 0 0 6px rgba(59,224,179,.18); }
.calc-range::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 4px solid var(--accent); }
.calc-scale { display: flex; justify-content: space-between; font-size: 12px; color: var(--mute); margin-bottom: 18px; }
.calc-results { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.res { padding: 14px; border-radius: 16px; background: rgba(0,0,0,.25); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 2px; }
.res span { font-size: 12px; color: var(--mute); font-weight: 500; }
.res b { font-family: var(--display); font-size: 21px; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.res small { font-size: 11.5px; color: var(--mute); line-height: 1.3; }
.res-hi { background: rgba(59,224,179,.1); border-color: rgba(59,224,179,.3); }
.res-hi b { color: var(--accent); }
.calc-honest { margin-bottom: 14px; padding: 12px 14px; border-radius: 12px; background: rgba(255,176,0,.1); border: 1px solid rgba(255,176,0,.3); color: #ffd27a; font-size: 14.5px; font-weight: 500; }
.calc-note { margin-top: 12px; font-size: 12px; color: var(--mute); text-align: center; }
.bump { animation: bump .35s var(--ease-out); }

/* ===== Cotizador en 4 pasos ===== */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.quote { padding: 22px 18px; border-radius: 28px; scroll-margin-top: 90px; }
.q-progress { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 24px; }
.q-progress li { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; color: var(--mute); text-align: center; }
.q-progress li::before { content: ""; position: absolute; top: 15px; left: calc(-50% + 18px); right: calc(50% + 18px); height: 2px; border-radius: 2px; background: var(--line); }
.q-progress li:first-child::before { display: none; }
.q-progress li.is-on::before { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.q-progress span { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-family: var(--display); font-size: 13px; background: rgba(255,255,255,.06); border: 1px solid var(--line); transition: background .4s, color .4s, border-color .4s; }
.q-progress li.is-on { color: var(--ink); }
.q-progress li.is-on span { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); border-color: transparent; box-shadow: 0 0 0 5px rgba(59,224,179,.14); }
.q-progress li.is-done span { font-size: 0; }
.q-progress li.is-done span::after { content: "✓"; font-size: 14px; }

.q-step { display: none; border: 0; padding: 0; min-width: 0; }
.q-step.is-active { display: block; animation: stepIn .5s var(--ease-out); }
@keyframes stepIn { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }
.q-title { font-family: var(--display); font-weight: 700; font-size: 24px; letter-spacing: -0.03em; line-height: 1.15; padding: 0; }
.q-sub { color: var(--ink-soft); font-size: 15px; margin: 6px 0 18px; }
.q-sub b { color: var(--ink); }

.drop { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 34px 18px; border-radius: 20px; border: 1.5px dashed rgba(59,224,179,.45); background: rgba(59,224,179,.05); text-align: center; cursor: pointer; transition: background .3s, border-color .3s, transform .3s var(--ease-out); }
.drop:hover, .drop.is-over { background: rgba(59,224,179,.1); border-color: var(--accent); }
.drop.is-over { transform: scale(1.01); }
.drop:focus-within { outline: 2px solid var(--accent); outline-offset: 3px; }
.drop[hidden] { display: none; }
.drop-ico { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 6px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); box-shadow: 0 12px 28px -10px rgba(59,224,179,.7); }
.drop-main { font-family: var(--display); font-weight: 700; font-size: 17px; }
.drop-hint { font-size: 12.5px; color: var(--mute); }
.file-card { display: flex; align-items: center; gap: 14px; padding: 12px; border-radius: 18px; background: rgba(59,224,179,.07); border: 1px solid rgba(59,224,179,.3); }
.file-card[hidden] { display: none; }
.file-thumb { width: 60px; height: 76px; flex: none; border-radius: 10px; overflow: hidden; background: #fff; display: grid; place-items: center; }
.file-thumb img { width: 100%; height: 100%; object-fit: cover; }
.file-thumb .pdf { font-family: var(--display); font-weight: 800; font-size: 14px; color: #c0392b; }
.file-meta { flex: 1; min-width: 0; display: grid; }
.file-meta b { font-size: 14.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-meta small { font-size: 12.5px; color: var(--accent); }
.file-card.is-reading small { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-soft); }
.file-card.is-reading small::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 2px solid rgba(59,224,179,.25); border-top-color: var(--accent); animation: spin .8s linear infinite; flex: none; }
.file-card.is-reading .file-thumb { position: relative; }
.file-card.is-reading .file-thumb::after { content: ""; position: absolute; left: 0; right: 0; height: 30%; background: linear-gradient(180deg, transparent, rgba(59,224,179,.55), transparent); animation: scan 1.4s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes scan { 0% { top: -30%; } 100% { top: 100%; } }
.ai-note { display: grid; gap: 6px; padding: 12px 14px; margin: 4px 0 16px; border-radius: 14px; background: linear-gradient(135deg, rgba(59,224,179,.14), rgba(25,195,211,.06)); border: 1px solid rgba(59,224,179,.35); }
.ai-note[hidden] { display: none; }
.ai-badge { display: inline-flex; align-items: center; gap: 6px; justify-self: start; padding: 4px 10px; border-radius: 999px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); font-size: 12px; font-weight: 700; }
.ai-note p { font-size: 14px; color: var(--ink); }
.file-change { font-size: 13px; font-weight: 600; color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; padding: 6px; }
.q-error { margin-top: 12px; padding: 10px 12px; border-radius: 12px; background: rgba(255,107,94,.1); border: 1px solid rgba(255,107,94,.3); color: #ffb3aa; font-size: 13.5px; }
.q-privacy { display: flex; align-items: flex-start; gap: 8px; margin-top: 14px; font-size: 12.5px; color: var(--mute); }
.q-privacy svg { flex: none; margin-top: 2px; color: var(--accent); }
.q-actions { display: flex; flex-direction: column; align-items: stretch; gap: 8px; margin-top: 22px; }
.q-actions .btn:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.q-skip, .q-back { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 42px; font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.q-skip:hover, .q-back:hover { color: var(--ink); }

.amount-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-top: 4px; }
.amount-input { display: flex; align-items: center; gap: 2px; padding: 4px 14px; border-radius: 14px; background: rgba(0,0,0,.3); border: 1px solid var(--line); }
.amount-input span { font-family: var(--display); font-weight: 800; font-size: 28px; color: var(--mute); }
.amount-input input { width: 130px; background: transparent; border: 0; color: var(--ink); font-family: var(--display); font-weight: 800; font-size: 34px; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; -moz-appearance: textfield; }
.amount-input input::-webkit-outer-spin-button, .amount-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.amount-input input:focus { outline: none; }
.amount-input:focus-within { border-color: var(--accent); }
.q-grid { display: grid; gap: 14px; margin-top: 6px; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field > span { font-size: 13px; font-weight: 500; color: var(--mute); }
.field input, .field select { width: 100%; min-height: 50px; padding: 0 14px; border-radius: 14px; background: rgba(0,0,0,.3); border: 1px solid var(--line); color: var(--ink); font: inherit; font-size: 16px; }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233be0b3' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 16px; }
.field select option { background: #0d211d; color: var(--ink); }
.field input::placeholder { color: rgba(241,247,245,.35); }
.field input:focus, .field select:focus, .tel:focus-within { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(59,224,179,.15); }
.field input.is-bad, .tel.is-bad { border-color: rgba(255,107,94,.6); }
.tel { display: flex; align-items: center; border-radius: 14px; background: rgba(0,0,0,.3); border: 1px solid var(--line); }
.tel em { font-style: normal; padding: 0 4px 0 14px; color: var(--mute); font-weight: 600; }
.tel input { border: 0 !important; background: transparent !important; box-shadow: none !important; }
.chips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.chips label { position: relative; display: grid; place-items: center; min-height: 50px; border-radius: 14px; background: rgba(0,0,0,.3); border: 1px solid var(--line); font-size: 14.5px; font-weight: 600; color: var(--ink-soft); cursor: pointer; transition: border-color .3s, background .3s, color .3s; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips label:has(input:checked) { border-color: var(--accent); background: rgba(59,224,179,.12); color: var(--ink); }
.chips label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.live { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 4px 0 14px; }
.live div { padding: 12px 14px; border-radius: 14px; background: rgba(59,224,179,.08); border: 1px solid rgba(59,224,179,.22); display: grid; }
.live span { font-size: 12px; color: var(--mute); }
.live b { font-family: var(--display); font-size: 17px; letter-spacing: -0.02em; color: var(--accent); }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--ink-soft); cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--accent); flex: none; }

/* Resultado */
.q-result:focus { outline: none; }
.r-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.r-kicker { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.r-name { font-family: var(--display); font-weight: 700; font-size: 22px; letter-spacing: -0.03em; }
.r-folio { text-align: right; display: grid; }
.r-folio span { font-size: 11px; color: var(--mute); text-transform: uppercase; letter-spacing: .1em; }
.r-folio b { font-family: var(--display); font-size: 16px; letter-spacing: .02em; }
.r-folio small { font-size: 11.5px; color: var(--mute); }
.r-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.r-item { padding: 14px; border-radius: 16px; background: rgba(0,0,0,.25); border: 1px solid var(--line); display: grid; gap: 2px; }
.r-item span { font-size: 12px; color: var(--mute); }
.r-item b { font-family: var(--display); font-size: 20px; letter-spacing: -0.03em; line-height: 1.15; }
.r-item small { font-size: 11.5px; color: var(--mute); line-height: 1.3; }
.r-main { grid-column: 1 / -1; background: linear-gradient(135deg, rgba(59,224,179,.16), rgba(25,195,211,.06)); border-color: rgba(59,224,179,.3); }
.r-main b { font-size: 34px; color: var(--accent); }
.r-hi b { color: var(--accent); }
.r-grid .r-item:last-child { grid-column: 1 / -1; grid-template-columns: 1fr auto; align-items: center; column-gap: 12px; }
.r-grid .r-item:last-child b { grid-row: 1 / span 2; grid-column: 2; font-size: 26px; }
.r-bars { display: grid; gap: 10px; margin: 18px 0 14px; }
.r-bars div { display: grid; grid-template-columns: 96px 1fr auto; align-items: center; gap: 10px; font-size: 12.5px; color: var(--mute); }
.r-bars i { height: 10px; border-radius: 10px; background: rgba(241,247,245,.25); width: var(--w); }
.r-bars i.after { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.r-bars b { font-family: var(--display); font-size: 14px; color: var(--ink); }
.r-includes { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; font-size: 13px; color: var(--ink-soft); }
.r-includes li { display: flex; align-items: center; gap: 6px; }
.r-includes svg { color: var(--accent); flex: none; }
.r-attach { display: flex; align-items: center; gap: 8px; margin-top: 14px; padding: 10px 12px; border-radius: 12px; background: rgba(59,224,179,.07); border: 1px solid rgba(59,224,179,.22); font-size: 13px; color: var(--accent); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.r-attach svg { flex: none; }
.r-attach.is-missing { background: rgba(255,176,0,.08); border-color: rgba(255,176,0,.3); color: #ffd27a; white-space: normal; }
.r-actions { margin-top: 18px; display: grid; gap: 6px; }
.r-secondary { display: flex; justify-content: center; gap: 18px; }

/* Vista previa tipo WhatsApp en la ventana de la demo */
.wa-chat { border-radius: 18px; overflow: hidden; border: 1px solid var(--line); margin-bottom: 14px; }
.wa-top { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: #1f2c33; color: #e9edef; }
.wa-top b { display: block; font-size: 14px; }
.wa-top small { font-size: 11.5px; color: #8696a0; }
.wa-avatar { width: 34px; height: 34px; border-radius: 50%; background: #06110f; display: grid; grid-template-columns: 1fr 1fr; gap: 2px; padding: 9px; }
.wa-avatar i { border-radius: 2px; background: var(--accent); }
.wa-body { display: grid; justify-items: end; gap: 6px; padding: 14px 12px 10px; background: #0b141a; }
.wa-msg { max-width: 88%; padding: 9px 11px; border-radius: 12px 12px 4px 12px; background: #005c4b; color: #e9edef; font-size: 14px; line-height: 1.45; }
.wa-img { padding: 4px; display: grid; gap: 4px; }
.wa-img[hidden] { display: none; }
.wa-img img { width: 180px; max-height: 220px; object-fit: cover; border-radius: 9px; }
.wa-img small { padding: 0 6px 2px; font-size: 11.5px; color: #c9d6d2; }
.wa-time { font-size: 10.5px; color: #8696a0; }

/* Guardar en PDF: solo se imprime la cotización */
@media print {
  @page { margin: 14mm; }
  body { background: #fff !important; color: #111 !important; }
  body * { visibility: hidden !important; }
  .q-result, .q-result * { visibility: visible !important; }
  .q-result { position: absolute; left: 0; top: 0; width: 100%; display: block !important; color: #111 !important; }
  .q-result .r-item, .q-result .r-attach, .q-result .r-main { background: #f4f7f6 !important; border-color: #d7e2df !important; }
  .q-result b, .q-result .r-main b, .q-result .r-hi b, .q-result .r-kicker { color: #0a6b55 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .q-result span, .q-result small, .q-result li { color: #444 !important; }
  .r-actions, .r-bars { display: none !important; }
}

/* Proceso */
.process-grid { display: grid; gap: 40px; align-items: center; }
.process-photo { position: relative; }
.process-photo img { border-radius: 26px; aspect-ratio: 4 / 3; object-fit: cover; width: 100%; filter: saturate(.9) brightness(.85); }
.process-photo figcaption { position: absolute; left: 16px; bottom: 16px; padding: 12px 16px; border-radius: 14px; font-size: 13.5px; color: var(--ink-soft); }
.process-photo figcaption b { color: var(--accent); }
.steps { list-style: none; padding: 0; counter-reset: s; display: grid; gap: 14px; margin-top: 26px; }
.steps li { counter-increment: s; position: relative; padding: 16px 18px 16px 64px; border-radius: 16px; background: rgba(255,255,255,.03); border: 1px solid var(--line); color: var(--ink-soft); font-size: 15.5px; }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 16px; top: 16px; font-family: var(--display); font-weight: 700; font-size: 15px; color: var(--accent); }
.steps b { display: block; color: var(--ink); }

/* Tarjetas con foto */
.photo-cards { display: grid; gap: 16px; }
.photo-card { position: relative; isolation: isolate; overflow: hidden; border-radius: 26px; min-height: 380px; display: flex; align-items: flex-end; border: 1px solid var(--line); }
.photo-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .9s var(--ease-out); }
.photo-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(4,14,12,0) 25%, rgba(4,14,12,.92) 85%); }
.photo-card:hover img { transform: scale(1.06); }
.pc-body { padding: 26px; }
.pc-tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: rgba(59,224,179,.14); border: 1px solid rgba(59,224,179,.3); color: var(--accent); font-size: 12.5px; font-weight: 600; }
.photo-card h3 { font-size: 26px; margin: 14px 0 8px; }
.photo-card p { color: var(--ink-soft); font-size: 15.5px; max-width: 46ch; }

/* Garantías */
.warranty { display: grid; border-radius: 24px; overflow: hidden; }
.warranty div { padding: 24px; display: grid; gap: 2px; border-bottom: 1px solid var(--line); }
.warranty div:last-child { border-bottom: 0; }
.warranty b { font-family: var(--display); font-weight: 700; font-size: 40px; letter-spacing: -0.04em; line-height: 1.1; color: var(--accent); }
.warranty span { color: var(--mute); font-size: 14.5px; }

/* Testimonios reservados */
.placeholders { display: grid; gap: 14px; }
.ph { padding: 26px; border-radius: 20px; border-style: dashed !important; color: var(--mute); font-size: 16px; }

/* Preguntas */
.faq { display: grid; gap: 10px; }
.faq details { border-radius: 18px; }
.faq summary { list-style: none; cursor: pointer; padding: 20px 54px 20px 22px; position: relative; font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: -0.015em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 24px; color: var(--accent); transition: transform .4s var(--ease-out); }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 22px 20px; color: var(--ink-soft); font-size: 15.5px; }

/* Cierre con foto */
.final { position: relative; isolation: isolate; overflow: hidden; padding: 120px 0; text-align: center; }
.final-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.final-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, var(--bg) 0%, rgba(6,17,15,.72) 35%, rgba(6,17,15,.8) 100%); }
.final-inner .h2 { max-width: 16ch; margin: 0 auto; }
.final-inner .lead { margin: 18px auto 30px; }

/* Footer */
.footer { padding: 36px 0 100px; border-top: 1px solid var(--line); font-size: 13.5px; color: var(--mute); }
.footer .logo { color: var(--ink); margin-bottom: 12px; }
.credits { margin-top: 10px; }
.credits summary { cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.credits ul { margin-top: 8px; padding-left: 18px; font-size: 12.5px; }
.credits a { text-decoration: underline; }

/* WhatsApp flotante */
.wa-float { position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 50; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: var(--wa); color: #fff; box-shadow: 0 14px 30px -10px rgba(37,211,102,.8); transition: transform .3s var(--ease-out); }
.wa-float:hover { transform: scale(1.08); }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: end center; padding: 12px; background: rgba(0,0,0,.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); animation: fadeIn .3s var(--ease-out); }
.modal[hidden] { display: none; }
.modal-card { position: relative; width: 100%; max-width: 440px; max-height: calc(100svh - 24px); overflow-y: auto; padding: 28px 22px 16px; border-radius: 24px; background: #0d211d; border: 1px solid var(--line); animation: up .45s var(--ease-out); }
.modal-card h3 { font-size: 24px; margin-bottom: 14px; }
.modal-close { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.08); font-size: 24px; }
.bubble { padding: 14px 16px; border-radius: 16px 16px 4px 16px; background: #d9fdd3; color: #111b21; font-size: 15.5px; margin-bottom: 14px; }
.modal-text { color: var(--ink-soft); font-size: 15px; margin-bottom: 18px; }

/* 6. Efectos */
@keyframes kenburns { 0%, 100% { transform: scale(1.04); } 50% { transform: scale(1.12) translate3d(-1%, -1%, 0); } }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.float { animation: floatY 7s ease-in-out infinite; }
@keyframes cue { 0%, 100% { opacity: .3; transform: scaleY(.6); transform-origin: top; } 50% { opacity: 1; transform: scaleY(1); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes up { from { transform: translateY(30px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes bump { 0% { transform: scale(1); } 40% { transform: scale(1.06); } 100% { transform: scale(1); } }

.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease-soft), transform .9s var(--ease-soft); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .saving-card.reveal.is-in { transform: none; }
.split-word { display: inline-block; }

/* Inclinación 3D sutil */
.has-tilt { --rx: 0deg; --ry: 0deg; transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .55s var(--ease-soft), border-color .4s; }
.js .reveal.is-in.has-tilt { transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)); }

/* 7. Responsive */
@media (min-width: 540px) {
  .modal { place-items: center; }
  .cards-4, .placeholders { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 720px) {
  :root { --gutter: 32px; }
  .section { padding: 110px 0; }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .stat { border-bottom: 0; }
  .stat:last-child { border-right: 0; }
  .photo-cards { grid-template-columns: 1fr 1fr; }
  .photo-card { min-height: 460px; }
  .warranty { grid-template-columns: repeat(3, 1fr); }
  .warranty div { border-bottom: 0; border-right: 1px solid var(--line); }
  .warranty div:last-child { border-right: 0; }
  .calc { padding: 32px; }
  .quote { padding: 32px; }
  .q-grid { grid-template-columns: 1fr 1fr; }
  .q-actions { flex-direction: row-reverse; justify-content: flex-start; align-items: center; }
  .q-actions .btn { min-width: 200px; }
}
@media (min-width: 960px) {
  .nav-links { display: flex; }
  .hero-grid { grid-template-columns: 1.4fr .6fr; }
  .saving-card { display: block; }
  .scroll-cue { display: flex; }
  .cards-4 { grid-template-columns: repeat(4, 1fr); }
  .calc-grid { grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 60px; }
}
@media (max-width: 959px) {
  .hero-shade { background: linear-gradient(180deg, rgba(4,14,12,.72) 0%, rgba(4,14,12,.62) 40%, rgba(4,14,12,.86) 80%, var(--bg) 100%); }
  .hero-bg { object-position: 70% 30%; }
}
@media (max-width: 400px) {
  .nav-cta { padding: 9px 14px; font-size: 13px; }
  .logo { font-size: 17px; }
}

/* 8. Reduced motion (solo lo intrusivo) */
@media (prefers-reduced-motion: reduce) {
  .hero-bg, .bump, .scroll-cue span { animation: none; }
}