:root {
  --bg: #0E1012;
  --bg-2: #14171A;
  --card: #1A1E22;
  --line: #2A2F35;
  --text: #F3F2EE;
  --muted: #A0A6AD;
  --sun-1: #FFDD1F;
  --sun-2: #FFA02E;
  --sun: #FFC21F;
  --grad: linear-gradient(120deg, var(--sun-1), var(--sun-2));
  --green: #00B140;
  --green-2: #6FC72C;
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font: 400 17px/1.6 Inter, system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: Jost, Inter, sans-serif; line-height: 1.08; margin: 0 0 .5em; font-weight: 500; letter-spacing: -.01em; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.2rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: inherit; }
img, svg { display: block; }
.muted { color: var(--muted); }

.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
.eyebrow { font: 500 .78rem/1 Jost, sans-serif; text-transform: uppercase; letter-spacing: .22em; color: var(--sun); margin-bottom: 18px; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 60ch; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.head { max-width: 760px; margin-bottom: 44px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 26px; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--grad); color: #1A1300;
  font: 600 .95rem/1 Jost, sans-serif; letter-spacing: .06em; text-transform: uppercase; text-decoration: none;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255, 170, 30, .3); }
.btn--ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1.5px #4A5058; }
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--sun); color: var(--sun); }
.btn--sm { padding: 11px 18px; font-size: .8rem; }
.btn--full { width: 100%; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(14,16,18,.82); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255,255,255,.06); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__name { font: 300 1.35rem/1 Jost, sans-serif; letter-spacing: .08em; color: var(--text); }
.brand__name b { font-weight: 700; }
.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links a:not(.btn) { text-decoration: none; font-size: .95rem; color: var(--muted); transition: color .15s; }
.nav__links a:not(.btn):hover { color: var(--text); }
.nav__toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: .2s; }

/* Hero */
.hero { position: relative; padding: 80px 0 100px; overflow: hidden; }
.hero__glow { position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px; background: radial-gradient(circle, rgba(255,180,30,.22), transparent 60%); pointer-events: none; }
.hero__inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 34px; }
.badges { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 26px; }
.badges li { display: flex; align-items: center; gap: 10px; font-size: .92rem; color: var(--text); }
.badges i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(0,177,64,.18); }

.arrive { background: rgba(26,30,34,.85); border: 1px solid var(--line); border-radius: 24px; padding: 22px; box-shadow: 0 30px 80px rgba(0,0,0,.45); }
.arrive__head { display: flex; justify-content: space-between; font: 500 .75rem Jost, sans-serif; letter-spacing: .16em; color: var(--muted); padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.arrive__head b { color: var(--text); font-weight: 600; }
.arrive__list { list-style: none; margin: 8px 0 0; padding: 0; }
.arrive__list li { display: grid; grid-template-columns: 52px 1fr; gap: 12px; padding: 10px 0; opacity: .18; transform: translateX(6px); transition: opacity .5s, transform .5s; }
.arrive__list li.on { opacity: 1; transform: none; }
.arrive__list li.now time { color: var(--sun); }
.arrive__list time { font: 500 .78rem/1.9 Jost, sans-serif; color: var(--muted); }
.arrive__list b { display: block; font: 600 1rem Jost, sans-serif; }
.arrive__list span { font-size: .88rem; color: var(--muted); }
.arrive__replay { margin-top: 8px; background: none; border: 0; color: var(--sun); font: 500 .78rem Jost, sans-serif; letter-spacing: .16em; text-transform: uppercase; cursor: pointer; padding: 6px 0; }

/* Sections */
.section { padding: 110px 0; }
.section--alt { background: var(--bg-2); }
.section--cta { background: radial-gradient(ellipse at 20% 0%, rgba(255,180,30,.14), transparent 55%), var(--bg-2); }

/* Así se vive */
.vive { padding: 0 0 20px; }
.vive__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.vive figure { margin: 0; position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 2; border: 1px solid var(--line); }
.vive img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.vive figure:hover img { transform: scale(1.04); }
.vive figcaption { position: absolute; inset: auto 0 0 0; padding: 60px 20px 18px; background: linear-gradient(transparent, rgba(8,9,10,.92)); font-size: .88rem; color: #D5D8DC; }
.vive figcaption b { display: block; font: 600 1.1rem Jost, sans-serif; color: var(--text); }

/* Scenes */
.scenes { display: grid; grid-template-columns: 1fr 1.2fr; gap: 28px; align-items: start; }
.scenes__chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { background: var(--card); border: 1px solid var(--line); color: var(--text); padding: 13px 18px; border-radius: 999px; cursor: pointer; font: 500 .85rem Jost, sans-serif; letter-spacing: .12em; text-transform: uppercase; transition: .2s; }
.chip:hover { border-color: #4A5058; }
.chip[aria-selected="true"] { background: var(--grad); color: #1A1300; border-color: transparent; }
.scenes__panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; min-height: 380px; }
.scenes__quote { font: 400 1.7rem/1.2 Jost, sans-serif; margin-bottom: 16px; }
.scenes__triggers { list-style: none; padding: 0; margin: 0 0 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.scenes__triggers li { font: 500 .7rem Jost, sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; }
.scenes__triggers li.on { color: var(--green-2); border-color: rgba(111,199,44,.4); }
.scenes__actions { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.scenes__actions li { display: flex; gap: 14px; align-items: center; padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.03); animation: slidein .45s both; }
.scenes__actions li::before { content: ""; flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--sun); box-shadow: 0 0 12px var(--sun); }
@keyframes slidein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Solar flow */
.flow { background: var(--card); border: 1px solid var(--line); border-radius: 26px; padding: 26px; }
.flow__controls { display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: center; justify-content: space-between; }
.seg { display: inline-flex; background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.seg button { background: none; border: 0; color: var(--muted); padding: 10px 18px; border-radius: 999px; cursor: pointer; font: 500 .82rem Jost, sans-serif; letter-spacing: .12em; text-transform: uppercase; }
.seg button.on { background: var(--grad); color: #1A1300; }
.flow__time { display: flex; align-items: center; gap: 14px; flex: 1; min-width: 260px; max-width: 520px; }
.flow__time input { flex: 1; accent-color: var(--sun); }
.flow__time output { font: 600 1.2rem Jost, sans-serif; min-width: 56px; text-align: right; }
.play { width: 40px; height: 40px; flex: none; border-radius: 50%; border: 1px solid var(--line); background: var(--bg); color: var(--sun); cursor: pointer; font-size: .9rem; }
.flow__stage { margin: 18px 0; background: radial-gradient(ellipse at 15% 10%, rgba(255,194,31,var(--daylight, .15)), transparent 55%), var(--bg); border-radius: 18px; transition: background .4s; }
.flow__stage svg { width: 100%; height: auto; }
.flow__stage .box { fill: #22272D; stroke: #3A4048; stroke-width: 2; }
.flow__stage .lbl { fill: var(--muted); font: 500 12px Jost, sans-serif; letter-spacing: .12em; text-transform: uppercase; }
.flow__stage .val { fill: var(--text); font: 600 15px Jost, sans-serif; }
.wire { fill: none; stroke: #2E343B; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; transition: stroke .3s, opacity .3s; }
.wire.live { stroke: var(--sun); stroke-dasharray: 8 10; animation: flow 1s linear infinite; }
.wire.live.rev { animation-direction: reverse; }
.wire.live.green { stroke: var(--green-2); }
.wire.off { opacity: .15; }
.dim { opacity: .15; transition: opacity .3s; }
@keyframes flow { to { stroke-dashoffset: -18; } }
.flow__read { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.flow__read div { background: var(--bg); border-radius: 14px; padding: 14px 16px; transition: opacity .3s; }
.flow__read small { display: block; color: var(--muted); font-size: .78rem; }
.flow__read strong { font: 600 1.35rem Jost, sans-serif; }
.flow__explain { margin: 16px 0 0; color: var(--muted); min-height: 3.2em; }

.calc-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-top: 90px; }
.h3big { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 500; }
.checks { list-style: none; padding: 0; margin: 22px 0 0; }
.checks li { padding-left: 32px; position: relative; margin-bottom: 12px; }
.checks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%; background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/13px no-repeat; }
.calc { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 30px; }
.calc label { font: 500 .95rem Jost, sans-serif; }
.calc__input { display: flex; align-items: center; gap: 8px; margin: 10px 0 14px; border: 1.5px solid var(--line); border-radius: 14px; padding: 6px 16px; background: var(--bg); }
.calc__input:focus-within { border-color: var(--sun); }
.calc__input span { color: var(--muted); }
.calc__input input { flex: 1; min-width: 0; border: 0; outline: 0; font: 600 1.7rem Jost, sans-serif; color: var(--text); padding: 6px 0; background: transparent; }
.calc input[type=range] { width: 100%; accent-color: var(--sun); }
.calc__out { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 22px 0 14px; }
.calc__out div { background: var(--bg); border-radius: 14px; padding: 14px; }
.calc__out small { display: block; color: var(--muted); font-size: .78rem; line-height: 1.3; min-height: 2em; }
.calc__out strong { font: 600 1.35rem Jost, sans-serif; }
.calc__out .hl { background: rgba(255,194,31,.1); box-shadow: inset 0 0 0 1px rgba(255,194,31,.35); }
.calc__out .hl strong { color: var(--sun); }
.calc__note { font-size: .78rem; color: var(--muted); }

/* Security */
.sec { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.sec__controls { display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: center; margin: 26px 0 18px; }
.switch { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; font-size: .92rem; }
.switch input { position: absolute; opacity: 0; }
.switch span { width: 44px; height: 24px; border-radius: 999px; background: var(--line); position: relative; transition: .2s; }
.switch span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--text); transition: .2s; }
.switch input:checked + span { background: #D8392B; }
.switch input:checked + span::after { left: 23px; }
.switch input:focus-visible + span { outline: 2px solid var(--sun); outline-offset: 2px; }
.cams { display: flex; flex-wrap: wrap; gap: 8px; }
.cams button { background: var(--card); border: 1px solid var(--line); color: var(--muted); border-radius: 999px; padding: 8px 14px; cursor: pointer; font: 500 .75rem Jost, sans-serif; letter-spacing: .12em; text-transform: uppercase; }
.cams button.on { color: var(--text); border-color: rgba(255,194,31,.5); }
.cams button.on::before { content: "● "; color: var(--sun); }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 16px; }
.plan svg { width: 100%; height: auto; }
.plan .lot { fill: #1F3A26; transition: fill .4s; }
.plan .house { fill: #2A2F35; stroke: #50575F; stroke-width: 3; transition: fill .4s; }
.plan .walls { stroke: #50575F; stroke-width: 2; fill: none; }
.plan .drive { fill: #3A3F45; }
.plan .room { fill: #C9CED4; font: 500 12px Jost, sans-serif; letter-spacing: .08em; }
.plan #perimeter { stroke: transparent; transition: stroke .3s; }
.plan.alarm #perimeter { stroke: #FF5A4E; animation: blink 1.4s ease-in-out infinite; }
.plan.night .lot { fill: #0F1A13; }
.plan.night .house { fill: #1A1D21; }
.cone { transition: opacity .3s; }
.plan .s0 { stop-color: #FFC21F; stop-opacity: .55; }
.plan .s1 { stop-color: #FFC21F; stop-opacity: 0; }
.plan.night .s0 { stop-color: #FF5A4E; stop-opacity: .5; }
.plan.night .s1 { stop-color: #FF5A4E; }
.cam.off .cone { opacity: 0; }
.cam.off circle { fill: #50575F; }
@keyframes blink { 50% { opacity: .35; } }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; transition: transform .2s, border-color .2s; }
.card:hover { transform: translateY(-4px); border-color: #4A5058; }
.card p { color: var(--muted); font-size: .96rem; flex: 1; }
.card small { font: 500 .7rem Jost, sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--sun); }
.card--feature { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 36px; padding: 0; overflow: hidden; }
.card--feature img { width: 38%; height: auto; aspect-ratio: 1; object-fit: contain; background: #fff; flex: none; }
.card--feature > div { padding: 32px 36px 32px 0; }
.card--feature h3 { font-size: 1.6rem; }
.card--feature .eyebrow { margin-bottom: 12px; color: var(--sun); }
.card--sun { background: linear-gradient(160deg, rgba(255,194,31,.08), transparent 55%), var(--card); }
.cards__note { margin-top: 30px; color: var(--muted); text-align: center; }
.cards__note a { color: var(--sun); }

/* Why */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.why__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; counter-reset: w; }
.why__list li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px 22px 70px; position: relative; counter-increment: w; }
.why__list li::before { content: "0" counter(w); position: absolute; left: 24px; top: 22px; font: 600 1rem Jost, sans-serif; color: var(--sun); }
.why__list b { display: block; font: 600 1.08rem Jost, sans-serif; margin-bottom: 4px; }
.why__list span { color: var(--muted); font-size: .95rem; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps li { border-top: 2px solid var(--line); padding-top: 22px; }
.steps li:first-child { border-image: var(--grad) 1; }
.steps span { font: 300 2.6rem/1 Jost, sans-serif; color: var(--sun); display: block; margin-bottom: 18px; }
.steps p { color: var(--muted); font-size: .96rem; }

/* FAQ */
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; }
details { border-bottom: 1px solid var(--line); padding: 20px 0; }
summary { cursor: pointer; font: 500 1.12rem Jost, sans-serif; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--sun); transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 12px 0 0; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact__list { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 16px; }
.contact__list small { display: block; font: 500 .7rem Jost, sans-serif; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.contact__list a, .contact__list span { font: 500 1.2rem Jost, sans-serif; text-decoration: none; }
.contact__list a:hover { color: var(--sun); }
.social { display: flex; gap: 12px; }
.social a { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: .2s; }
.social a:hover { background: var(--sun); border-color: var(--sun); }
.social svg { width: 22px; height: 22px; fill: none; stroke: var(--text); stroke-width: 1.8; }
.social a:hover svg { stroke: #1A1300; }
.social .dot { fill: var(--text); stroke: none; }
.form { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 30px; display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font: 500 .9rem Jost, sans-serif; letter-spacing: .04em; }
.form input, .form select, .form textarea { font: 400 1rem Inter, sans-serif; padding: 13px 14px; border: 1.5px solid var(--line); border-radius: 12px; outline: 0; background: var(--bg); color: var(--text); }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--sun); }
.form__note { font-size: .8rem; color: var(--muted); margin: 0; text-align: center; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 30px 0; font-size: .85rem; color: var(--muted); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer p { margin: 0; }
.footer .brand__name { font-size: 1.1rem; }

.wa-float { position: fixed; right: 18px; bottom: 18px; width: 58px; height: 58px; border-radius: 50%; background: #25D366; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.4); z-index: 60; transition: transform .2s; }
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }

/* Responsive */
@media (max-width: 1000px) {
  .hero__inner, .scenes, .calc-wrap, .sec, .why, .faq, .contact { grid-template-columns: 1fr; gap: 40px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 30px 18px; }
  .flow__read { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav__toggle { display: block; }
  .nav__links { position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 18px; display: none; }
  .nav__links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav__links .btn { margin-top: 14px; }
  .nav.open .nav__links { display: flex; }
  .nav.open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .section { padding: 72px 0; }
  .hero { padding: 48px 0 64px; }
  .hero__cta .btn { width: 100%; }
  .cards, .steps { grid-template-columns: 1fr; }
  .vive__grid { grid-template-columns: 1fr; }
  .card--feature { flex-direction: column; gap: 0; }
  .card--feature img { width: 100%; aspect-ratio: 4 / 3; }
  .card--feature > div { padding: 24px; }
  .scenes__panel { padding: 22px; min-height: 0; }
  .scenes__quote { font-size: 1.4rem; }
  .flow { padding: 16px; }
  .seg button { padding: 9px 12px; font-size: .74rem; }
  .calc { padding: 22px; }
  .calc__out { grid-template-columns: 1fr; }
  .calc__out small { min-height: 0; }
  .calc-wrap { margin-top: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}