/* =============================================================
   Solventia · estilos
   1. Tokens · 2. Reset · 3. Utilidades · 4. Tipografía · 5. Componentes
   6. Secciones · 7. Calculadora · 8. Asistente · 9. Efectos · 10. Responsive
   ============================================================= */

/* 1. Tokens ---------------------------------------------------- */
@property --aurora-a { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@property --aurora-x { syntax: "<percentage>"; inherits: false; initial-value: 30%; }
@property --aurora-y { syntax: "<percentage>"; inherits: false; initial-value: 40%; }

:root {
  --bg: #061210;
  --bg-2: #081820;
  --bg-3: #0c2129;
  --navy: #07182a;
  --card: rgba(14, 36, 42, .62);
  --ink: #eaf1ea;
  --ink-2: #bccbc4;
  --mute: #8aa198;
  --accent: #5ee0a0;
  --accent-2: #2fb67c;
  --deep: #12493b;
  --blue: #3d8fc0;
  --sun: #f2c14e;
  --danger: #ff9a8a;
  --line: rgba(234, 241, 234, .12);
  --line-2: rgba(234, 241, 234, .22);

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --gutter: clamp(1.1rem, 4vw, 2.6rem);
  --maxw: 1260px;
  --radius: 22px;
  --nav-h: 72px;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-soft: cubic-bezier(.25, .46, .45, .94);
}

/* 2. Reset ----------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; background: var(--bg); }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -.02em; font-weight: 600; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--accent); color: #03140d; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
[hidden] { display: none !important; }

/* 3. Utilidades ------------------------------------------------ */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.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; }
.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 10001; padding: .6rem 1rem; background: var(--ink); color: var(--bg); border-radius: 8px; font-weight: 600; }
.skip-link:focus { top: 1rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* 4. Tipografía ------------------------------------------------ */
.kicker {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--mono); font-size: .72rem; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
}
.title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.4rem, 5.6vw, 4.6rem);
  line-height: .98; letter-spacing: -.012em;
  margin-top: .9rem;
}
.title em, .hero-title em {
  font-style: italic;
  background: linear-gradient(100deg, var(--accent) 0%, #b9f3c4 55%, var(--sun) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-right: .06em;
}
.title em .split-word, .hero-title em .split-word {
  background: inherit; -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { margin-top: 1.3rem; max-width: 58ch; color: var(--ink-2); font-size: clamp(1rem, 1.3vw, 1.14rem); }
.lead strong { color: var(--ink); }

/* 5. Componentes ----------------------------------------------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .82rem 1.3rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem; line-height: 1.1; white-space: nowrap;
  transition: transform .45s var(--ease-soft), box-shadow .45s var(--ease-soft), background-color .3s, border-color .3s, color .3s, opacity .3s;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .45s var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: var(--accent); color: #03140d; box-shadow: 0 12px 30px -12px rgba(94, 224, 160, .65); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 24px 50px -14px rgba(94, 224, 160, .6); background: #72e8ae; }
.btn-primary:active { transform: translateY(-1px); transition-duration: .12s; }
.btn-ghost { border: 1px solid var(--line-2); background: rgba(234, 241, 234, .05); color: var(--ink); }
.btn-ghost:hover { border-color: rgba(94, 224, 160, .6); background: rgba(94, 224, 160, .08); transform: translateY(-2px); }
.btn-lg { padding: 1.02rem 1.55rem; font-size: 1rem; }
.btn[disabled] { opacity: .45; pointer-events: none; box-shadow: none; }

.link-btn {
  display: inline-flex; align-items: center; gap: .45rem; margin-top: 1rem;
  font-size: .9rem; color: var(--ink-2); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--line-2);
  transition: color .25s;
}
.link-btn:hover { color: var(--accent); }
.link-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

.chip-mini {
  display: inline-flex; align-items: center; padding: .22rem .55rem; border-radius: 999px;
  font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase;
  background: rgba(242, 193, 78, .14); color: #f7dc98; border: 1px solid rgba(242, 193, 78, .3);
}
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(94, 224, 160, .6); animation: livePulse 2.2s infinite; flex: none; }

.grain {
  position: absolute; inset: 0; pointer-events: none; opacity: .09; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 220px 220px;
}

/* Formularios */
.field { display: flex; flex-direction: column; gap: .4rem; min-width: 0; }
.field label { font-size: .82rem; font-weight: 600; color: var(--ink-2); }
.field .req { color: var(--accent); }
.field .opt { color: var(--mute); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; padding: .82rem 1rem; border-radius: 12px;
  background: rgba(3, 12, 14, .55); border: 1px solid var(--line);
  color: var(--ink); transition: border-color .25s, box-shadow .25s, background-color .25s;
}
.field textarea { resize: vertical; min-height: 90px; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 2.4rem; }
.field select option { background: var(--bg-3); }
.field input::placeholder, .field textarea::placeholder { color: rgba(188, 203, 196, .45); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(94, 224, 160, .18); background: rgba(3, 12, 14, .8); }
.field.is-invalid input { border-color: var(--danger); }
.field-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.field-hint { margin-top: .9rem; font-size: .8rem; color: var(--mute); }
.input-unit { position: relative; }
.input-unit input { padding-right: 4.8rem; }
.input-unit span { position: absolute; right: .9rem; top: 50%; transform: translateY(-50%); font-family: var(--mono); font-size: .72rem; color: var(--mute); pointer-events: none; }
.input-unit input.is-ai { border-color: rgba(94, 224, 160, .45); background: rgba(94, 224, 160, .06); }

.check { display: flex; gap: .75rem; align-items: flex-start; margin-top: 1.1rem; font-size: .82rem; color: var(--ink-2); cursor: pointer; }
.check input { appearance: none; flex: none; width: 20px; height: 20px; margin-top: 1px; border-radius: 6px; border: 1px solid var(--line-2); background: rgba(3, 12, 14, .55); display: grid; place-items: center; transition: background-color .2s, border-color .2s; cursor: pointer; }
.check input::after { content: ""; width: 10px; height: 6px; border-left: 2px solid #03140d; border-bottom: 2px solid #03140d; transform: rotate(-45deg) scale(0); margin-top: -2px; transition: transform .25s var(--ease-out); }
.check input:checked { background: var(--accent); border-color: var(--accent); }
.check input:checked::after { transform: rotate(-45deg) scale(1); }
.check a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.check.is-invalid input { border-color: var(--danger); }

.calc-msg { margin-top: 1rem; padding: .75rem .95rem; border-radius: 12px; font-size: .88rem; background: rgba(61, 143, 192, .12); border: 1px solid rgba(61, 143, 192, .3); color: #cfe6f3; }
.calc-msg.is-error { background: rgba(255, 154, 138, .1); border-color: rgba(255, 154, 138, .35); color: #ffd9d2; }
.calc-msg.is-ok { background: rgba(94, 224, 160, .1); border-color: rgba(94, 224, 160, .35); color: #cff7e2; }

/* 6. Secciones ------------------------------------------------- */
.section { position: relative; padding-block: clamp(5rem, 11vw, 9rem); }
.section-head { max-width: 780px; margin-bottom: clamp(2.6rem, 6vw, 4.2rem); }

/* Splash */
.splash {
  position: fixed; inset: 0; z-index: 10000; display: grid; place-items: center;
  background: var(--bg);
  transition: opacity .8s var(--ease-soft), clip-path 1s var(--ease-out);
  clip-path: inset(0 0 0 0);
  animation: splashSafety .01s 4.5s forwards;
}
.splash.is-out { opacity: 0; pointer-events: none; clip-path: inset(0 0 100% 0); }
.splash-inner { display: flex; align-items: center; gap: .8rem; }
.splash-mark { width: 46px; height: 46px; animation: splashRise 1.1s var(--ease-out) both; }
.splash-word { font-family: var(--serif); font-size: 2.2rem; letter-spacing: -.01em; animation: splashWord 1s .15s var(--ease-out) both; }
html:not(.js) .splash { display: none; }

/* Barra de progreso */
.scroll-progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 200; pointer-events: none; }
.scroll-progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--sun)); transform-origin: 0 0; transform: scaleX(0); }

/* Navegación */
.nav { position: fixed; inset: 0 0 auto; z-index: 150; transition: background-color .4s var(--ease-out), border-color .4s, backdrop-filter .4s; border-bottom: 1px solid transparent; }
.nav-inner { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); height: var(--nav-h); display: flex; align-items: center; gap: 1.5rem; }
.nav.is-scrolled { background: rgba(6, 18, 16, .8); border-color: var(--line); -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%); }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--serif); font-size: 1.65rem; letter-spacing: -.01em; line-height: 1; }
.brand-mark { width: 30px; height: 30px; }
.nav-links { display: none; margin-left: auto; gap: 1.8rem; }
.nav-link { position: relative; font-size: .9rem; font-weight: 500; color: var(--ink-2); transition: color .25s; padding-block: .3rem; }
.nav-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease-soft); }
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav-link.is-active { color: var(--ink); }
.nav-cta { display: none; padding: .66rem 1.1rem; font-size: .88rem; }
.nav-toggle { margin-left: auto; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-content: center; gap: 6px; position: relative; z-index: 160; background: rgba(6, 18, 16, .4); }
.nav-toggle span:not(.sr-only) { display: block; width: 18px; height: 1.6px; background: var(--ink); transition: transform .4s var(--ease-out); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.8px) rotate(-45deg); }
.nav-mobile {
  position: fixed; inset: 0; z-index: 140; background: rgba(4, 14, 13, .97);
  display: flex; flex-direction: column; justify-content: center; gap: 2.4rem; padding: 6rem var(--gutter) 3rem;
  clip-path: inset(0 0 100% 0); visibility: hidden;
  transition: clip-path .65s var(--ease-out), visibility 0s .65s;
}
.nav-mobile[aria-hidden="false"] { clip-path: inset(0); visibility: visible; transition: clip-path .65s var(--ease-out), visibility 0s; }
.nav-mobile nav { display: flex; flex-direction: column; gap: .4rem; }
.nav-mobile nav a { font-family: var(--serif); font-size: clamp(2.2rem, 9vw, 3rem); line-height: 1.15; }
.nav-mobile nav a:hover { color: var(--accent); }
body.menu-open { overflow: hidden; }

/* Hero */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end; padding-block: calc(var(--nav-h) + 3rem) clamp(3rem, 7vh, 5rem); isolation: isolate; overflow: clip; }
.hero-bg { position: absolute; inset: 0; z-index: -3; background: radial-gradient(80% 60% at 70% 30%, #1a4a5c, var(--bg)); }
.hero-bg picture, .hero-bg img { width: 100%; height: 100%; }
.hero-bg img { object-fit: cover; object-position: 68% 50%; animation: kenBurns 30s ease-in-out infinite; transform-origin: 70% 50%; }
.hero-tint {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 18, 16, .55) 0%, rgba(6, 18, 16, 0) 22%),
    linear-gradient(0deg, var(--bg) 0%, rgba(6, 18, 16, .82) 34%, rgba(6, 18, 16, .25) 70%, rgba(6, 18, 16, .15) 100%);
}
.hero-aurora {
  position: absolute; inset: -20%; z-index: -2; pointer-events: none; mix-blend-mode: screen; opacity: .55;
  background:
    radial-gradient(40% 35% at var(--aurora-x) var(--aurora-y), rgba(94, 224, 160, .35), transparent 70%),
    conic-gradient(from var(--aurora-a) at 60% 40%, rgba(61, 143, 192, .22), rgba(18, 73, 59, .05), rgba(242, 193, 78, .12), rgba(61, 143, 192, .22));
  filter: blur(70px);
  animation: aurora 24s linear infinite;
}
.hero .grain { z-index: -1; }
.hero-inner { position: relative; }
.hero-kicker { color: #c8f5dc; }
.hero-kicker .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sun); box-shadow: 0 0 14px 2px rgba(242, 193, 78, .7); }
.hero-title {
  margin-top: 1.1rem; max-width: 13ch;
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(3.1rem, 9.2vw, 7.6rem); line-height: .93; letter-spacing: -.02em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .35);
}
.hero-sub { margin-top: 1.4rem; max-width: 50ch; font-size: clamp(1.02rem, 1.4vw, 1.2rem); color: #d6e3dc; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: clamp(2.4rem, 5vh, 3.4rem); max-width: 720px; border-top: 1px solid var(--line-2); padding-top: 1.2rem; }
.hero-stats li { display: flex; flex-direction: column; gap: .2rem; min-width: 0; }
.hero-stats strong { font-family: var(--serif); font-weight: 400; font-size: clamp(1.45rem, 3.2vw, 2.3rem); line-height: 1; white-space: nowrap; }
.hero-stats span { font-size: .78rem; color: var(--ink-2); line-height: 1.35; }
.hero-note { margin-top: .9rem; font-size: .72rem; color: var(--mute); }
.hero-live {
  display: none; position: absolute; right: var(--gutter); bottom: clamp(9rem, 26vh, 15rem); width: 250px;
  padding: 1rem 1.1rem; border-radius: 18px; border: 1px solid rgba(234, 241, 234, .18);
  background: rgba(6, 22, 24, .72); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .8);
}
@supports (backdrop-filter: blur(12px)) { .hero-live { background: rgba(6, 22, 24, .45); -webkit-backdrop-filter: blur(16px) saturate(150%); backdrop-filter: blur(16px) saturate(150%); } }
.hero-live-head { display: flex; align-items: center; gap: .5rem; font-size: .76rem; color: var(--ink-2); }
.hero-live-head .chip-mini { margin-left: auto; }
.hero-live-value { font-family: var(--serif); font-size: 2.6rem; line-height: 1; margin-top: .45rem; }
.hero-live-value small { font-family: var(--sans); font-size: .9rem; color: var(--ink-2); }
.hero-live-spark { width: 100%; height: 48px; margin-top: .4rem; }
.hero-live-foot { display: flex; justify-content: space-between; font-size: .74rem; color: var(--ink-2); margin-top: .3rem; }
.hero-live-foot strong { color: var(--ink); font-weight: 600; }
.hero-scroll { position: absolute; left: 50%; bottom: 1.2rem; width: 22px; height: 36px; border: 1.5px solid var(--line-2); border-radius: 12px; transform: translateX(-50%); display: none; }
.hero-scroll span { position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--accent); animation: scrollHint 2s var(--ease-soft) infinite; }

/* Franja de confianza */
.trust { border-block: 1px solid var(--line); background: linear-gradient(90deg, rgba(18, 73, 59, .18), rgba(7, 24, 42, .3)); }
.trust-inner { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem 1.2rem; padding-block: 1.3rem; }
.trust p { display: flex; align-items: center; gap: .6rem; font-size: .84rem; font-weight: 500; color: var(--ink-2); line-height: 1.3; }
.trust svg { width: 22px; height: 22px; flex: none; fill: none; stroke: var(--accent); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* Ventajas · bento */
.ventajas { background: radial-gradient(60% 40% at 90% 10%, rgba(61, 143, 192, .12), transparent 70%), var(--bg); }
.bento { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.card {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%;
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 240px; padding: clamp(1.4rem, 2.4vw, 2rem);
  display: flex; flex-direction: column; justify-content: space-between; gap: 1.6rem;
  border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(20, 58, 62, .55), rgba(8, 24, 32, .92));
  transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform .6s var(--ease-soft), border-color .4s, box-shadow .5s var(--ease-soft);
}
.card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .4s;
  background: radial-gradient(260px circle at var(--mx) var(--my), rgba(94, 224, 160, .16), transparent 65%);
}
.card:hover { border-color: rgba(94, 224, 160, .32); box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .8), 0 0 0 1px rgba(94, 224, 160, .08); }
.card:hover::before { opacity: 1; }
.card.is-tilting { transition-duration: .15s, .4s, .5s; }
.card h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.6rem, 2.4vw, 2.1rem); line-height: 1.02; letter-spacing: -.01em; }
.card p { margin-top: .6rem; color: var(--ink-2); font-size: .94rem; }
.card-icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: rgba(94, 224, 160, .1); border: 1px solid rgba(94, 224, 160, .22); }
.card-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--accent); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card-num { font-family: var(--serif); font-size: clamp(2.8rem, 5vw, 4rem); line-height: 1; color: var(--sun); margin: 0 0 .6rem !important; }
.card-num small { font-size: .45em; color: var(--ink-2); }
.card-image { min-height: 360px; justify-content: flex-end; border-color: rgba(234, 241, 234, .16); }
.card-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -3; transition: transform 1.2s var(--ease-out), filter .6s; }
.card-image:hover .card-bg { transform: scale(1.06); filter: saturate(1.12); }
.card-shade { position: absolute; inset: 0; z-index: -2; background: linear-gradient(0deg, rgba(4, 14, 13, .95) 0%, rgba(4, 14, 13, .6) 45%, rgba(4, 14, 13, .05) 100%); }
.card-body { display: flex; flex-direction: column; gap: 1rem; max-width: 46ch; }

/* Un día de sol */
.day { position: relative; height: 360vh; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 12%, var(--bg-2) 88%, var(--bg) 100%); }
.day-sticky { position: sticky; top: 0; height: 100vh; height: 100svh; display: flex; align-items: center; overflow: clip; padding-top: var(--nav-h); }
.day-grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; align-items: center; }
.day-copy .title { font-size: clamp(1.9rem, 4.6vw, 3.8rem); }
.day-phases { display: grid; margin-top: 1rem; }
.day-phase { grid-area: 1 / 1; opacity: 0; transform: translateY(14px); transition: opacity .5s var(--ease-out), transform .6s var(--ease-out); }
.day-phase.is-active { opacity: 1; transform: none; }
.day-phase-time { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; color: var(--sun); text-transform: uppercase; }
.day-phase h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); margin-top: .35rem; font-weight: 600; letter-spacing: -.01em; }
.day-phase p { color: var(--ink-2); margin-top: .35rem; font-size: clamp(.86rem, 1.2vw, 1rem); max-width: 46ch; }
.day-scene { --sky1: #2a7db6; --sky2: #a6dcea; --stars: 0; --lights: 0; --flow: 1; --surplus: 1; --batt: .6; --shine: 1; --night: 0;
  position: relative; border-radius: 26px; overflow: hidden; border: 1px solid var(--line-2); aspect-ratio: 16 / 11; box-shadow: 0 50px 100px -50px rgba(0, 0, 0, .9); background: #0d2236; }
.day-svg { width: 100%; height: 100%; }
.day-stars { opacity: var(--stars); }
.day-hill-far { fill: #16463f; filter: brightness(calc(1 - var(--night) * .55)); }
.day-ground { fill: #0f3a2f; filter: brightness(calc(1 - var(--night) * .5)); }
.day-trees { fill: #0a2c24; }
.day-grid-pole { stroke: #0a2c24; }
.day-surplus { stroke: var(--sun); stroke-dasharray: 5 7; opacity: var(--surplus); animation: flowDash 1.2s linear infinite; transition: opacity .4s; }
.day-wall { fill: #e9e3d6; filter: brightness(calc(1 - var(--night) * .68)); }
.day-wall-shade { fill: #c9c1b1; filter: brightness(calc(1 - var(--night) * .68)); }
.day-roof { fill: #26343b; }
.day-panel { fill: url(#panelGrad); stroke: rgba(160, 205, 235, .5); stroke-width: .7; }
.day-panels { filter: brightness(calc(.85 + var(--shine) * .45)); }
.day-win { fill: #203740; }
.day-light { fill: #ffd27a; opacity: var(--lights); transition: opacity .5s; }
.day-door { fill: #3b2d23; }
.day-batt { fill: #15262c; stroke: rgba(234, 241, 234, .5); stroke-width: 1.2; }
.day-batt-fill { fill: var(--accent); transform-box: fill-box; transform-origin: bottom; transform: scaleY(var(--batt)); }
.day-flow { stroke: var(--accent); stroke-dasharray: 5 7; opacity: var(--flow); animation: flowDash 1s linear infinite; transition: opacity .4s; }
.day-hud { position: absolute; top: .8rem; left: .8rem; right: .8rem; display: flex; justify-content: space-between; align-items: flex-start; gap: .6rem; pointer-events: none; }
.day-clock { font-family: var(--mono); font-size: clamp(1.1rem, 2.4vw, 1.7rem); font-weight: 500; padding: .2rem .7rem; border-radius: 12px; background: rgba(4, 14, 20, .55); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.day-meters { position: absolute; left: .6rem; right: .6rem; bottom: .6rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .35rem; }
.day-meters div { padding: .45rem .55rem; border-radius: 12px; background: rgba(4, 14, 20, .68); border: 1px solid rgba(234, 241, 234, .1); min-width: 0; }
@supports (backdrop-filter: blur(8px)) { .day-meters div { background: rgba(4, 14, 20, .5); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); } }
.day-meters dt { font-size: .58rem; color: var(--ink-2); text-transform: uppercase; letter-spacing: .06em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.day-meters dd { font-family: var(--mono); font-size: clamp(.78rem, 1.5vw, 1.05rem); font-weight: 500; white-space: nowrap; }
html:not(.js) .day { height: auto; }
html:not(.js) .day-sticky { position: relative; height: auto; padding-block: 6rem; }
html:not(.js) .day-phase { grid-area: auto; opacity: 1; transform: none; margin-bottom: 1rem; }

/* Cómo funciona */
.steps-section { background: var(--bg); }
.steps { position: relative; display: flex; flex-direction: column; gap: clamp(3rem, 8vw, 6rem); padding-left: 2.4rem; }
.steps-line { position: absolute; left: .6rem; top: .5rem; bottom: .5rem; width: 1px; background: var(--line); }
.steps-line span { position: absolute; inset: 0; background: linear-gradient(180deg, var(--accent), var(--sun)); transform-origin: top; transform: scaleY(var(--steps-p, 0)); }
.step { position: relative; display: grid; gap: 1.6rem; align-items: center; }
.step::before { content: ""; position: absolute; left: -2.18rem; top: .4rem; width: 13px; height: 13px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 0 6px var(--bg); }
.step-media { position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 3 / 2; border: 1px solid var(--line); background: var(--bg-3); }
.step-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 1.6s var(--ease-out); }
.step.is-revealed .step-media img { transform: scale(1); }
.step-num { font-family: var(--mono); font-size: .8rem; color: var(--accent); letter-spacing: .12em; }
.step-copy h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.9rem, 3.4vw, 2.8rem); line-height: 1.02; margin-top: .6rem; letter-spacing: -.01em; }
.step-copy p { color: var(--ink-2); margin-top: .9rem; max-width: 48ch; }
.step-copy .step-meta { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); margin-top: 1.2rem; }

/* 7. Calculadora ----------------------------------------------- */
.calc-section { background: linear-gradient(180deg, var(--bg) 0%, var(--navy) 18%, var(--navy) 85%, var(--bg) 100%); isolation: isolate; }
.calc-aurora { position: absolute; inset: 10% 0; z-index: -1; pointer-events: none; opacity: .6;
  background: radial-gradient(35% 30% at 15% 30%, rgba(94, 224, 160, .16), transparent 70%), radial-gradient(40% 35% at 85% 70%, rgba(61, 143, 192, .22), transparent 70%); }
.calc-grid { display: grid; gap: clamp(2.2rem, 5vw, 4.5rem); align-items: start; }
.calc-howto { margin-top: 1.8rem; display: grid; gap: .8rem; }
.calc-howto li { display: flex; gap: .9rem; align-items: center; color: var(--ink-2); font-size: .95rem; }
.calc-howto span { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-family: var(--mono); font-size: .78rem; color: var(--accent); border: 1px solid rgba(94, 224, 160, .35); background: rgba(94, 224, 160, .06); }
.calc-disclaimer { display: flex; gap: .7rem; margin-top: 1.6rem; padding: .95rem 1.05rem; border-radius: 14px; border: 1px dashed rgba(242, 193, 78, .4); background: rgba(242, 193, 78, .05); font-size: .84rem; color: #e9dfc4; }
.calc-disclaimer svg { width: 20px; height: 20px; flex: none; fill: none; stroke: var(--sun); stroke-width: 1.8; stroke-linecap: round; margin-top: 1px; }
.calc-disclaimer strong { color: #fbe7b3; }

.calc-app {
  position: relative; padding: clamp(1.2rem, 3vw, 2.2rem); border-radius: 28px;
  background: linear-gradient(170deg, rgba(14, 38, 52, .92), rgba(5, 16, 24, .96));
  border: 1px solid rgba(234, 241, 234, .14);
  box-shadow: 0 60px 120px -60px rgba(0, 0, 0, .95), inset 0 1px 0 rgba(255, 255, 255, .06);
  scroll-margin-top: calc(var(--nav-h) + 16px);
}
.calc-progress { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .4rem; margin-bottom: 1.8rem; }
.calc-progress li { position: relative; display: flex; flex-direction: column; gap: .45rem; font-size: .68rem; color: var(--mute); }
.calc-progress li::before { content: ""; height: 3px; border-radius: 3px; background: var(--line); transition: background-color .5s; }
.calc-progress li span { display: none; }
.calc-progress li em { font-style: normal; font-family: var(--mono); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.calc-progress li.is-active, .calc-progress li.is-done { color: var(--ink); }
.calc-progress li.is-active::before { background: linear-gradient(90deg, var(--accent), var(--sun)); }
.calc-progress li.is-done::before { background: var(--accent); }
.calc-noscript { color: var(--ink-2); }
.calc-step { display: none; }
.calc-step.is-active { display: block; animation: stepIn .6s var(--ease-out) both; }
.calc-step-title { font-family: var(--serif); font-weight: 400; font-size: clamp(1.8rem, 3.4vw, 2.5rem); line-height: 1.04; letter-spacing: -.01em; outline: none; }
.calc-step-sub { margin-top: .5rem; color: var(--ink-2); font-size: .93rem; margin-bottom: 1.4rem; }
.calc-actions { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .7rem; margin-top: 1.6rem; }
.calc-actions .btn-primary { margin-left: auto; }

.dropzone {
  position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: .5rem;
  padding: clamp(1.8rem, 5vw, 2.8rem) 1.2rem; border-radius: 20px; cursor: pointer;
  border: 1.5px dashed rgba(94, 224, 160, .38); background: radial-gradient(60% 80% at 50% 0%, rgba(94, 224, 160, .09), transparent 70%), rgba(3, 12, 14, .35);
  transition: border-color .3s, background-color .3s, transform .4s var(--ease-out);
}
.dropzone:hover, .dropzone.is-over { border-color: var(--accent); background-color: rgba(94, 224, 160, .07); transform: translateY(-2px); }
.dropzone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.dropzone:focus-within { outline: 2px solid var(--accent); outline-offset: 3px; }
.dropzone-icon { width: 56px; height: 56px; border-radius: 18px; display: grid; place-items: center; background: var(--accent); color: #03140d; box-shadow: 0 16px 40px -14px rgba(94, 224, 160, .7); margin-bottom: .4rem; }
.dropzone-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.dropzone-title { font-weight: 600; font-size: 1.02rem; }
.dropzone-title u { color: var(--accent); text-underline-offset: 3px; }
.dropzone-sub { font-size: .8rem; color: var(--mute); max-width: 40ch; }

.scan { display: flex; gap: 1.2rem; align-items: center; padding: 1.2rem; border-radius: 20px; border: 1px solid var(--line); background: rgba(3, 12, 14, .45); }
.scan-doc { position: relative; flex: none; width: 92px; height: 120px; border-radius: 10px; overflow: hidden; background: linear-gradient(180deg, #e9efe9, #cfd9d3); box-shadow: 0 18px 36px -18px rgba(0, 0, 0, .8); }
.scan-doc img { width: 100%; height: 100%; object-fit: cover; }
.scan-doc img:not([src]), .scan-doc img[src=""] { display: none; }
.scan-line { position: absolute; left: 0; right: 0; height: 36px; top: -36px; background: linear-gradient(180deg, transparent, rgba(94, 224, 160, .55), transparent); border-bottom: 2px solid var(--accent); animation: scanMove 1.6s var(--ease-soft) infinite; }
.scan-title { font-weight: 600; }
.scan-list { margin-top: .5rem; display: grid; gap: .3rem; }
.scan-list li { position: relative; padding-left: 1.4rem; font-size: .84rem; color: var(--mute); transition: color .4s; }
.scan-list li::before { content: ""; position: absolute; left: 0; top: .45em; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--line-2); transition: background-color .4s, border-color .4s; }
.scan-list li.is-done { color: var(--ink); }
.scan-list li.is-done::before { background: var(--accent); border-color: var(--accent); }

.bill-fields { margin-top: 1.4rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.bill-source { display: flex; align-items: center; gap: .5rem; margin-bottom: 1rem; font-size: .86rem; color: var(--ink-2); }
.bill-source:empty { display: none; }
.bill-source .chip-ai { padding: .2rem .55rem; border-radius: 999px; font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; background: rgba(94, 224, 160, .14); color: #bff5d8; border: 1px solid rgba(94, 224, 160, .35); }
.bill-extra { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; margin-top: 1rem; }
.bill-extra div { padding: .7rem .9rem; border-radius: 12px; border: 1px solid var(--line); background: rgba(3, 12, 14, .35); min-width: 0; }
.bill-extra dt { font-size: .72rem; color: var(--mute); }
.bill-extra dd { font-weight: 600; font-size: .92rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.address-field { position: relative; }
.address-box { position: relative; }
.address-box svg { position: absolute; left: .95rem; top: 50%; width: 18px; height: 18px; transform: translateY(-50%); fill: none; stroke: var(--accent); stroke-width: 1.8; pointer-events: none; }
.address-box input { padding-left: 2.7rem; }
.address-list { position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 30; max-height: 280px; overflow-y: auto; border-radius: 14px; border: 1px solid var(--line-2); background: #0a1d28; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .8); }
.address-list li { padding: .75rem 1rem; font-size: .88rem; color: var(--ink-2); cursor: pointer; border-bottom: 1px solid var(--line); line-height: 1.35; }
.address-list li:last-child { border-bottom: 0; }
.address-list li:hover, .address-list li[aria-selected="true"] { background: rgba(94, 224, 160, .1); color: var(--ink); }
.address-list li.is-empty { cursor: default; color: var(--mute); }
.address-chosen { display: flex; gap: .6rem; align-items: flex-start; margin-top: 1rem; padding: .85rem 1rem; border-radius: 14px; background: rgba(94, 224, 160, .08); border: 1px solid rgba(94, 224, 160, .3); font-size: .88rem; }
.address-chosen::before { content: "✓"; color: var(--accent); font-weight: 700; }

.map-wrap { position: relative; border-radius: 20px; overflow: hidden; border: 1px solid var(--line-2); height: clamp(320px, 55vh, 480px); background: #0a1a2a; }
.map { position: absolute; inset: 0; }
.map-loading { position: absolute; inset: 0; display: grid; place-items: center; color: var(--mute); font-size: .9rem; pointer-events: none; }
.map-tools { position: absolute; top: .7rem; right: .7rem; z-index: 500; display: flex; flex-direction: column; gap: .4rem; }
.map-btn { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: rgba(4, 14, 20, .82); border: 1px solid rgba(234, 241, 234, .2); transition: background-color .25s, border-color .25s; }
.map-btn:hover { border-color: var(--accent); background: rgba(4, 14, 20, .95); }
.map-btn svg { width: 19px; height: 19px; fill: none; stroke: var(--ink); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.map-readout { position: absolute; left: .7rem; bottom: .7rem; right: 3.9rem; z-index: 500; display: flex; flex-direction: column; padding: .6rem .85rem; border-radius: 14px; background: rgba(4, 14, 20, .85); border: 1px solid rgba(234, 241, 234, .16); pointer-events: none; max-width: 330px; }
.map-readout strong { font-family: var(--serif); font-weight: 400; font-size: 1.7rem; line-height: 1; }
.map-readout span { font-size: .8rem; color: var(--ink-2); margin-top: .2rem; }
.map .leaflet-container, .map.leaflet-container { background: #0a1a2a; font-family: var(--sans); cursor: crosshair; }
.map .leaflet-control-attribution { background: rgba(4, 14, 20, .7); color: var(--mute); font-size: 9px; }
.map .leaflet-control-attribution a { color: var(--ink-2); }
.map .leaflet-bar a { background: rgba(4, 14, 20, .85); color: var(--ink); border-color: rgba(234, 241, 234, .15); }
.map .leaflet-control-layers { background: rgba(4, 14, 20, .88); color: var(--ink); border: 1px solid rgba(234, 241, 234, .15) !important; border-radius: 12px; }
.map .leaflet-control-layers-toggle { width: 38px; height: 38px; background-size: 20px; filter: invert(1); }
.map .leaflet-control-layers-expanded { padding: .5rem .8rem; }
.area-manual { margin-top: 1rem; padding: 1rem; border-radius: 14px; border: 1px solid var(--line); background: rgba(3, 12, 14, .4); }
.area-manual label { font-size: .88rem; color: var(--ink-2); display: block; margin-bottom: .8rem; }
.area-manual input[type="range"] { width: 100%; accent-color: var(--accent); }

.gate-preview { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; margin-bottom: 1.4rem; }
.gate-preview div { padding: .9rem; border-radius: 14px; border: 1px solid var(--line); background: rgba(3, 12, 14, .4); display: flex; flex-direction: column; gap: .25rem; min-width: 0; }
.gate-preview span { font-size: .7rem; color: var(--mute); }
.gate-preview strong { font-family: var(--serif); font-weight: 400; font-size: clamp(1.2rem, 3vw, 1.7rem); filter: blur(5px); color: var(--accent); white-space: nowrap; user-select: none; }

.result-kicker { color: var(--sun); }
.result-title { margin-top: .6rem; font-size: clamp(1.9rem, 4vw, 2.8rem); }
.result-big { display: inline-block; font-style: italic; background: linear-gradient(100deg, var(--accent), #c8f7d0 60%, var(--sun)); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 1.35em; white-space: nowrap; }
.result-sub { color: var(--ink-2); margin-top: .7rem; font-size: .95rem; }
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; margin-top: 1.5rem; }
.result-tile { padding: .9rem 1rem; border-radius: 16px; border: 1px solid var(--line); background: rgba(3, 12, 14, .42); display: flex; flex-direction: column; gap: .2rem; min-width: 0; }
.result-tile > span { font-size: .72rem; color: var(--mute); }
.result-tile strong { font-family: var(--serif); font-weight: 400; font-size: clamp(1.35rem, 2.6vw, 1.8rem); line-height: 1.05; white-space: nowrap; }
.result-tile:first-child { border-color: rgba(242, 193, 78, .35); background: rgba(242, 193, 78, .06); }
.result-tile:first-child strong { color: var(--sun); }
.payback { margin-top: 1.4rem; }
.payback-bar { position: relative; height: 10px; border-radius: 10px; background: rgba(234, 241, 234, .08); overflow: visible; }
.payback-bar span { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 10px; background: linear-gradient(90deg, rgba(242, 193, 78, .5), var(--sun)); transition: width 1.4s var(--ease-out); }
.payback-bar i { position: absolute; top: -6px; width: 2px; height: 22px; background: var(--accent); left: 0; transition: left 1.4s var(--ease-out); box-shadow: 0 0 12px var(--accent); }
.payback-scale { display: flex; justify-content: space-between; margin-top: .5rem; font-family: var(--mono); font-size: .64rem; color: var(--mute); text-transform: uppercase; letter-spacing: .06em; }
.result-warning { margin-top: 1rem; padding: .8rem 1rem; border-radius: 12px; background: rgba(61, 143, 192, .12); border: 1px solid rgba(61, 143, 192, .3); font-size: .86rem; color: #cfe6f3; }
.assumptions { margin-top: 1.2rem; border-radius: 14px; border: 1px solid var(--line); padding: .2rem 1rem; }
.assumptions summary { cursor: pointer; padding: .7rem 0; font-size: .88rem; font-weight: 600; color: var(--ink-2); }
.assumptions ul { padding-bottom: .9rem; display: grid; gap: .35rem; }
.assumptions li { font-size: .82rem; color: var(--mute); padding-left: 1rem; position: relative; }
.assumptions li::before { content: "·"; position: absolute; left: .2rem; color: var(--accent); }

/* Opiniones */
.opinions { background: var(--bg); }
.section-head-split { display: flex; flex-direction: column; gap: 1.2rem; max-width: none; }
.demo-note { display: flex; gap: .6rem; max-width: 380px; padding: .8rem 1rem; border-radius: 14px; border: 1px dashed rgba(242, 193, 78, .45); background: rgba(242, 193, 78, .05); font-size: .82rem; color: #e9dfc4; align-self: flex-start; }
.demo-note svg { width: 18px; height: 18px; flex: none; fill: none; stroke: var(--sun); stroke-width: 1.8; stroke-linecap: round; margin-top: 2px; }
.quotes { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(82%, 1fr); gap: 1rem; overflow-x: auto; overflow-y: visible; scroll-snap-type: x mandatory; padding-block: .5rem 1.5rem; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); scrollbar-width: none; }
.quotes::-webkit-scrollbar { display: none; }
.quote { position: relative; scroll-snap-align: start; display: flex; flex-direction: column; gap: 1.4rem; padding: clamp(1.5rem, 3vw, 2.2rem); border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(170deg, rgba(20, 58, 62, .45), rgba(8, 24, 32, .9)); transition: transform .5s var(--ease-soft), border-color .4s; }
.quote:hover { transform: translateY(-6px); border-color: rgba(94, 224, 160, .3); }
.quote::before { content: "“"; position: absolute; top: .2rem; right: 1.2rem; font-family: var(--serif); font-size: 7rem; line-height: 1; color: rgba(94, 224, 160, .14); pointer-events: none; }
.quote-badge { align-self: flex-start; padding: .22rem .6rem; border-radius: 999px; font-family: var(--mono); font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; color: #f7dc98; border: 1px solid rgba(242, 193, 78, .35); background: rgba(242, 193, 78, .1); }
.quote blockquote { font-family: var(--serif); font-size: clamp(1.35rem, 2.2vw, 1.65rem); line-height: 1.2; flex: 1; }
.quote figcaption { display: flex; align-items: center; gap: .8rem; }
.quote figcaption strong { display: block; font-weight: 600; }
.quote figcaption small { display: block; font-size: .8rem; color: var(--mute); }
.avatar { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: .85rem; color: #03140d; background: linear-gradient(135deg, var(--accent), var(--sun)); flex: none; }
.quote-meta { font-family: var(--mono); font-size: .7rem; color: var(--accent); letter-spacing: .05em; padding-top: 1rem; border-top: 1px solid var(--line); }

/* FAQ */
.faq-section { background: linear-gradient(180deg, var(--bg), var(--bg-2)); }
.faq-grid { display: grid; gap: 2rem; align-items: start; }
.faq-head { margin-bottom: 0; }
.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: 1.2rem; padding: 1.3rem 0; font-weight: 600; font-size: clamp(1rem, 1.5vw, 1.12rem); line-height: 1.35; transition: color .25s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line-2); background: linear-gradient(var(--accent), var(--accent)) center / 11px 1.5px no-repeat, linear-gradient(var(--accent), var(--accent)) center / 1.5px 11px no-repeat; transition: transform .45s var(--ease-out), background-color .3s; }
.faq details[open] summary::after { transform: rotate(135deg); background-color: rgba(94, 224, 160, .1); }
.faq summary:hover { color: var(--accent); }
.faq-body { padding: 0 3rem 1.4rem 0; color: var(--ink-2); animation: faqIn .5s var(--ease-out); }
.faq-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* Contacto */
.contact-section { background: var(--bg-2); }
.contact-grid { display: grid; gap: 1.2rem; align-items: stretch; }
.contact-visual { position: relative; border-radius: 28px; overflow: hidden; min-height: 520px; display: flex; align-items: flex-end; isolation: isolate; border: 1px solid var(--line); }
.contact-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.contact-visual-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(4, 14, 13, .96) 0%, rgba(4, 14, 13, .72) 45%, rgba(4, 14, 13, .15) 100%); }
.contact-visual-copy { padding: clamp(1.5rem, 4vw, 2.6rem); }
.contact-visual-copy > p { color: var(--ink-2); margin-top: 1rem; max-width: 44ch; }
.contact-info { margin-top: 1.5rem; display: grid; gap: .7rem; }
.contact-info li { display: flex; gap: .7rem; align-items: center; font-size: .95rem; }
.contact-info svg { width: 20px; height: 20px; flex: none; fill: none; stroke: var(--accent); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.contact-demo { margin-top: 1rem !important; font-size: .72rem !important; color: var(--mute) !important; }
.contact-card { position: relative; padding: clamp(1.4rem, 3.5vw, 2.6rem); border-radius: 28px; border: 1px solid var(--line-2); background: linear-gradient(170deg, rgba(14, 38, 52, .75), rgba(5, 16, 24, .95)); overflow: hidden; }
.contact-form h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 1.4rem; }
.contact-form { transition: opacity .55s var(--ease-out), transform .55s var(--ease-soft); }
.contact-form.is-sent { opacity: 0; transform: translateY(-14px); pointer-events: none; }
.btn-submit { width: 100%; margin-top: 1.4rem; }
.btn-spinner { position: absolute; width: 20px; height: 20px; border-radius: 50%; border: 2px solid rgba(3, 20, 13, .25); border-top-color: #03140d; opacity: 0; animation: spin .8s linear infinite; }
.is-sending .btn-label { opacity: 0; }
.is-sending .btn-spinner { opacity: 1; }
.is-sending .btn-submit { pointer-events: none; }
.contact-success { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: .8rem; padding: 2rem; opacity: 0; pointer-events: none; transform: translateY(16px); transition: opacity .7s var(--ease-out) .2s, transform .8s var(--ease-out) .2s; }
.contact-success.is-visible { opacity: 1; pointer-events: auto; transform: none; }
.contact-success svg { width: 76px; height: 76px; fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.contact-success svg circle, .contact-success svg path { stroke-dasharray: 1; stroke-dashoffset: 1; }
.contact-success.is-visible svg circle { transition: stroke-dashoffset .8s var(--ease-out) .35s; stroke-dashoffset: 0; }
.contact-success.is-visible svg path { transition: stroke-dashoffset .6s var(--ease-out) .95s; stroke-dashoffset: 0; }
.contact-success h3 { font-family: var(--serif); font-weight: 400; font-size: 2.6rem; }
.contact-success p { color: var(--ink-2); max-width: 36ch; }

/* Footer */
.footer { border-top: 1px solid var(--line); background: var(--bg); padding-block: 3rem 2rem; }
.footer-grid { display: grid; gap: 2rem; }
.footer-claim { margin-top: .7rem; color: var(--mute); font-size: .9rem; max-width: 34ch; }
.footer-links { display: flex; flex-wrap: wrap; gap: .7rem 1.6rem; }
.footer-links a { font-size: .9rem; color: var(--ink-2); transition: color .25s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { margin-top: 2.4rem; padding-top: 1.4rem; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: .4rem; font-size: .76rem; color: var(--mute); }

/* Página legal */
.legal { max-width: 760px; margin-inline: auto; padding: calc(var(--nav-h) + 3rem) var(--gutter) 5rem; }
.legal h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.4rem, 6vw, 3.6rem); margin: 1rem 0 1.5rem; }
.legal h2 { font-size: 1.15rem; margin: 2rem 0 .6rem; }
.legal p, .legal li { color: var(--ink-2); margin-bottom: .7rem; }
.legal ul { list-style: disc; padding-left: 1.2rem; }
.legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal-note { padding: .9rem 1rem; border-radius: 14px; border: 1px dashed rgba(242, 193, 78, .45); background: rgba(242, 193, 78, .05); color: #e9dfc4 !important; }

/* 8. Asistente ------------------------------------------------- */
.chat-fab {
  position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); z-index: 130;
  display: flex; align-items: center; gap: .6rem; padding: .45rem .45rem .45rem .45rem; border-radius: 999px;
  background: rgba(9, 28, 30, .92); border: 1px solid rgba(94, 224, 160, .35);
  box-shadow: 0 20px 50px -18px rgba(0, 0, 0, .8), 0 0 0 0 rgba(94, 224, 160, .4);
  transition: transform .45s var(--ease-soft), opacity .3s, border-color .3s;
  animation: fabIn .8s 1.6s var(--ease-out) both;
}
.chat-fab:hover { transform: translateY(-3px); border-color: var(--accent); }
.chat.has-hud .chat-fab { bottom: calc(max(1rem, env(safe-area-inset-bottom)) + 54px); }
.chat-fab-avatar, .chat-avatar { position: relative; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), #b9f3c4); flex: none; }
.chat-fab-avatar svg, .chat-avatar svg { width: 26px; height: 26px; }
.chat-fab-avatar::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--accent); opacity: 0; animation: ring 2.8s 3s infinite; }
.chat-fab-label { display: none; font-size: .86rem; padding-right: .7rem; color: var(--ink-2); }
.chat-fab-label strong { color: var(--ink); }
.chat.is-open .chat-fab, .chat.is-calc-visible .chat-fab { opacity: 0; pointer-events: none; transform: translateY(20px) scale(.9); }
.chat-panel {
  position: fixed; inset: 0; z-index: 180; display: flex; flex-direction: column;
  background: #071a1c; border: 1px solid rgba(234, 241, 234, .14);
  opacity: 0; visibility: hidden; transform: translateY(24px) scale(.98); transform-origin: bottom right;
  transition: opacity .35s var(--ease-out), transform .5s var(--ease-out), visibility 0s .5s;
}
.chat.is-open .chat-panel { opacity: 1; visibility: visible; transform: none; transition: opacity .35s var(--ease-out), transform .5s var(--ease-out), visibility 0s; }
.chat-head { display: flex; align-items: center; gap: .75rem; padding: .9rem 1rem; border-bottom: 1px solid var(--line); background: linear-gradient(90deg, rgba(18, 73, 59, .45), rgba(7, 24, 42, .45)); padding-top: max(.9rem, env(safe-area-inset-top)); }
.chat-title { font-weight: 700; font-size: .95rem; }
.chat-status { display: flex; align-items: center; gap: .4rem; font-size: .74rem; color: var(--ink-2); }
.chat-close { margin-left: auto; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line); }
.chat-close:hover { border-color: var(--accent); }
.chat-close svg { width: 18px; height: 18px; fill: none; stroke: var(--ink); stroke-width: 2; stroke-linecap: round; }
.chat-log { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .7rem; overscroll-behavior: contain; }
.msg { max-width: 88%; padding: .72rem .95rem; border-radius: 18px; font-size: .92rem; line-height: 1.5; animation: msgIn .45s var(--ease-out) both; overflow-wrap: anywhere; }
.msg p + p, .msg ul + p, .msg p + ul { margin-top: .45rem; }
.msg ul { list-style: none; display: grid; gap: .25rem; }
.msg li { position: relative; padding-left: .95rem; }
.msg li::before { content: ""; position: absolute; left: 0; top: .6em; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.msg-bot { align-self: flex-start; background: rgba(20, 58, 62, .6); border: 1px solid var(--line); border-bottom-left-radius: 6px; }
.msg-user { align-self: flex-end; background: var(--accent); color: #03140d; border-bottom-right-radius: 6px; font-weight: 500; }
.msg-typing { display: flex; gap: 4px; padding: .9rem 1rem; }
.msg-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-2); animation: typing 1.2s infinite; }
.msg-typing span:nth-child(2) { animation-delay: .15s; }
.msg-typing span:nth-child(3) { animation-delay: .3s; }
.msg-cta { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }
.msg-cta a { padding: .42rem .75rem; border-radius: 999px; background: rgba(94, 224, 160, .12); border: 1px solid rgba(94, 224, 160, .35); color: #cff7e2; font-size: .8rem; font-weight: 600; }
.msg-cta a:hover { background: var(--accent); color: #03140d; }
.chat-chips { display: flex; gap: .4rem; overflow-x: auto; padding: 0 1rem .7rem; scrollbar-width: none; }
.chat-chips::-webkit-scrollbar { display: none; }
.chat-chips button { flex: none; padding: .45rem .8rem; border-radius: 999px; font-size: .8rem; color: var(--ink-2); border: 1px solid var(--line-2); background: rgba(234, 241, 234, .03); transition: border-color .25s, color .25s; }
.chat-chips button:hover { border-color: var(--accent); color: var(--ink); }
.chat-form { display: flex; gap: .5rem; align-items: flex-end; padding: .7rem 1rem; border-top: 1px solid var(--line); }
.chat-form textarea { flex: 1; resize: none; max-height: 120px; padding: .72rem .95rem; border-radius: 16px; background: rgba(3, 12, 14, .6); border: 1px solid var(--line); line-height: 1.4; font-size: 16px; }
.chat-form textarea:focus { outline: none; border-color: var(--accent); }
.chat-send { width: 44px; height: 44px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: #03140d; transition: transform .3s var(--ease-out), opacity .3s; }
.chat-send:hover { transform: scale(1.06); }
.chat-send[disabled] { opacity: .5; }
.chat-send svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linejoin: round; }
.chat-foot { padding: 0 1rem max(.7rem, env(safe-area-inset-bottom)); font-size: .68rem; color: var(--mute); }

/* 9. Efectos ---------------------------------------------------- */
.js [data-reveal] { opacity: 0; transform: translateY(36px); transition: opacity .9s var(--ease-soft), transform 1s var(--ease-out); transition-delay: var(--d, 0s); }
.js [data-reveal].is-revealed { opacity: 1; transform: none; }
.js .card[data-reveal].is-revealed { transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)); }
.split-word { display: inline-block; will-change: transform; }

@keyframes splashSafety { to { opacity: 0; pointer-events: none; clip-path: inset(0 0 100% 0); } }
@keyframes splashRise { from { opacity: 0; transform: translateY(18px) scale(.85); } to { opacity: 1; transform: none; } }
@keyframes splashWord { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }
@keyframes kenBurns { 0%, 100% { transform: scale(1.04); } 50% { transform: scale(1.11) translate3d(-1%, -.5%, 0); } }
@keyframes aurora { 0% { --aurora-a: 0deg; --aurora-x: 25%; --aurora-y: 35%; } 50% { --aurora-a: 180deg; --aurora-x: 70%; --aurora-y: 55%; } 100% { --aurora-a: 360deg; --aurora-x: 25%; --aurora-y: 35%; } }
@keyframes livePulse { 0% { box-shadow: 0 0 0 0 rgba(94, 224, 160, .6); } 70% { box-shadow: 0 0 0 9px rgba(94, 224, 160, 0); } 100% { box-shadow: 0 0 0 0 rgba(94, 224, 160, 0); } }
@keyframes scrollHint { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }
@keyframes flowDash { to { stroke-dashoffset: -24; } }
@keyframes stepIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes scanMove { 0% { top: -36px; } 100% { top: 120px; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes faqIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
@keyframes fabIn { from { opacity: 0; transform: translateY(20px) scale(.9); } to { opacity: 1; transform: none; } }
@keyframes ring { 0% { opacity: .7; transform: scale(1); } 70%, 100% { opacity: 0; transform: scale(1.45); } }
@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes typing { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }

/* 10. Responsive ----------------------------------------------- */
@media (min-width: 540px) {
  .field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field-wide { grid-column: 1 / -1; }
  .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chat-panel { inset: auto 1rem 1rem auto; width: 400px; height: min(640px, calc(100svh - 2rem)); border-radius: 24px; box-shadow: 0 40px 100px -30px rgba(0, 0, 0, .9); overflow: hidden; }
  .chat-fab { padding-right: .5rem; }
  .chat-fab-label { display: inline; }
  .calc-progress li span { display: grid; }
}

@media (min-width: 720px) {
  .trust-inner { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bento .b-1 { grid-column: 1 / -1; min-height: 420px; }
  .quotes { grid-auto-flow: row; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-columns: auto; overflow: visible; margin-inline: 0; padding-inline: 0; }
  .section-head-split { flex-direction: row; justify-content: space-between; align-items: flex-end; }
  .result-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .day-meters { left: .9rem; right: .9rem; bottom: .9rem; gap: .5rem; }
  .day-meters dt { font-size: .64rem; }
  .step { grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); }
  .step:nth-child(odd) .step-media { order: 2; }
  .hero-scroll { display: block; }
}

@media (max-width: 719px) {
  .hero { min-height: 0; padding-top: 61vh; padding-top: 61svh; }
  .hero-bg { bottom: auto; height: 100vh; height: 100svh; }
  .hero-bg img { object-position: 70% 50%; }
  .hero-tint { background: linear-gradient(180deg, rgba(6, 18, 16, .5) 0%, rgba(6, 18, 16, 0) 16%, rgba(6, 18, 16, 0) 46%, rgba(6, 18, 16, .78) 68%, var(--bg) 100%); }
  .hero-title { font-size: clamp(2.9rem, 13vw, 3.6rem); }
  .quotes { grid-auto-columns: 84%; }
  .day-sticky { align-items: flex-start; padding-top: calc(var(--nav-h) + .4rem); }
  .day-copy .title { margin-top: .4rem; }
  .day-copy .kicker { font-size: .64rem; }
  .day-scene { order: -1; aspect-ratio: 4 / 3; border-radius: 20px; }
  .day-phase p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .day-meters dd { font-size: .74rem; }
  .day-meters div { padding: .35rem .4rem; }
  .hero-stats span { font-size: .7rem; }
}

@media (max-height: 700px) and (max-width: 719px) {
  .day-copy .title { display: none; }
}

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .nav-mobile { display: none; }
  .hero-live { display: block; }
  .bento { grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: minmax(260px, auto); }
  .bento .b-1 { grid-column: 1 / span 7; grid-row: span 2; min-height: 0; }
  .bento .b-2 { grid-column: 8 / span 5; }
  .bento .b-3 { grid-column: 8 / span 5; }
  .bento .b-4, .bento .b-5, .bento .b-6 { grid-column: span 4; }
  .bento .b-5 { min-height: 300px; }
  .day-grid { grid-template-columns: 5fr 7fr; gap: clamp(2.5rem, 5vw, 5rem); }
  .day-phases { margin-top: 2rem; }
  .steps { padding-left: 0; }
  .steps-line { left: 50%; }
  .step::before { left: calc(50% - 6.5px); top: 50%; }
  .step-copy { padding-inline: 1rem; }
  .calc-grid { grid-template-columns: 5fr 7fr; }
  .calc-intro { position: sticky; top: calc(var(--nav-h) + 2rem); }
  .faq-grid { grid-template-columns: 5fr 7fr; gap: 4rem; }
  .faq-head { position: sticky; top: calc(var(--nav-h) + 2rem); }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr auto; align-items: end; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1280px) {
  .hero-live { right: calc((100vw - var(--maxw)) / 2 + var(--gutter)); }
}

@media (hover: none) {
  .card { transform: none; }
}

/* Reduced motion: solo lo intrusivo */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg img { animation: none; }
  .chat-fab-avatar::after { animation: none; }
  .scan-line { animation-duration: 2.6s; }
}