/* Grupo Clima MX
   Misma estructura que el boceto, con una capa visual más sobria. */

:root {
  --navy: #0c2348;
  --navy-2: #14356a;
  --brand: #134c9a;
  --sky: #2f6fbf;
  --ice: #f4f6f8;
  --paper: #f7f6f4;
  --grey: #c9c2c0;
  --yellow: #f0c014;
  --wa: #1da851;
  --ink: #1c2430;
  --muted: #5c6776;
  --white: #fff;
  --line: #e3e6ea;
  --line-strong: #cfd5dc;

  --display: "Montserrat", Arial, sans-serif;
  --sans: "Inter", "Segoe UI", Arial, sans-serif;

  --radius: 10px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 32, 56, .04);

  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 74px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); }
body {
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
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); line-height: 1.12; letter-spacing: -0.02em; text-wrap: balance; color: var(--navy); font-weight: 700; }
address { font-style: normal; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
::selection { background: #d7e4f6; color: var(--navy); }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

.container { width: min(1120px, 100%); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { width: min(760px, 100%); }
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--navy); color: #fff; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .78em 1.2em; border-radius: 6px;
  font-family: var(--display); font-weight: 700; font-size: .92rem; letter-spacing: .01em;
  background: var(--brand); color: #fff;
  transition: background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 1.15em; height: 1.15em; flex: none; }
.btn:hover { background: var(--navy); }
.btn-lg { padding: .9em 1.35em; font-size: .98rem; }
.btn-sm { padding: .55em 1em; font-size: .86rem; }
.btn-wa { background: var(--wa); }
.btn-wa:hover { background: #178a43; }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: #08182f; }
.btn-navy svg { color: #7dcea0; }
.btn-yellow { background: var(--navy); color: #fff; }
.btn-yellow:hover { background: #08182f; }
.btn-ghost { background: transparent; color: var(--navy); border: 1px solid var(--line-strong); }
.btn-ghost:hover { background: #fff; border-color: var(--navy); }

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 1.2rem; }
.brand { flex: none; }
.brand-logo { width: 108px; height: auto; }
.main-nav { display: none; margin-left: auto; gap: .15rem; }
.main-nav a {
  font-weight: 500; font-size: .92rem; color: var(--navy);
  padding: .45em .7em;
}
.main-nav a:hover { color: var(--brand); }
.header-cta { margin-left: auto; }
.nav-toggle { width: 42px; height: 42px; display: grid; place-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--navy); }
.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); }

@media (max-width: 959px) {
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    display: flex; flex-direction: column; gap: 0;
    padding: .4rem 0 1rem;
    background: #fff; border-bottom: 1px solid var(--line);
    opacity: 0; transform: translateY(-8px); pointer-events: none;
    transition: opacity .2s, transform .2s;
  }
  .main-nav a { padding: .85em var(--gutter); font-size: 1.05rem; border-top: 1px solid var(--line); }
  .nav-open .main-nav { opacity: 1; transform: none; pointer-events: auto; }
}

/* Hero */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 48px) 0 64px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.hero-bg, .blob, .hero-waves, .flakes, .airflow, .snow-canvas { display: none; }
.hero-grid { display: grid; gap: 40px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5em; flex-wrap: wrap;
  font-family: var(--display); font-weight: 700; font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brand);
}
.eyebrow svg { width: 14px; height: 14px; flex: none; }
.eyebrow b { color: var(--line-strong); font-weight: 700; }
.hero-title {
  margin-top: 14px;
  font-size: clamp(2.15rem, 4.6vw, 3.55rem);
  font-weight: 800;
}
.hl { color: var(--brand); }
.hero-lead { margin-top: 16px; font-size: 1.05rem; color: var(--muted); max-width: 38em; }
.hero-lead strong { color: var(--navy); font-weight: 600; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-badges {
  display: grid; grid-template-columns: repeat(3, 1fr);
  margin-top: 32px; max-width: 460px;
  border-top: 1px solid var(--line);
}
.hero-badges li { padding: 14px 14px 0 0; }
.hero-badges li + li { padding-left: 14px; border-left: 1px solid var(--line); }
.hero-badges strong {
  display: block; font-family: var(--display); font-weight: 800; font-size: 1.55rem;
  color: var(--navy); line-height: 1.1;
}
.hero-badges span { font-size: .8rem; color: var(--muted); line-height: 1.3; display: block; margin-top: 2px; }

.hero-visual {
  background: var(--ice);
  border: 1px solid var(--line);
  padding: 28px 22px 8px;
}
.ac-wrap { width: min(420px, 100%); margin: 0 auto 8px; }
.ac-unit {
  position: relative; height: 132px;
  background: #fff;
  border: 1px solid #d5dbe3;
  border-radius: 6px 6px 14px 14px;
}
.ac-top { position: absolute; inset: 16px 20px auto 20px; height: 1px; background: var(--line); }
.ac-display {
  position: absolute; top: 36px; right: 28px;
  font-family: var(--display); font-weight: 700; font-size: 1.55rem;
  color: var(--navy); letter-spacing: .02em;
}
.ac-led { position: absolute; top: 48px; right: 96px; width: 6px; height: 6px; border-radius: 50%; background: var(--wa); }
.ac-vent {
  position: absolute; left: 16px; right: 16px; bottom: 16px; height: 26px;
  background: var(--navy);
  display: flex; flex-direction: column; justify-content: space-evenly; padding: 0 8px;
}
.ac-vent i { display: block; height: 1px; background: rgba(255,255,255,.35); }

.float-card {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 4px;
  border-top: 1px solid var(--line);
  background: transparent;
}
.float-card strong { display: block; font-family: var(--display); font-size: .92rem; color: var(--navy); font-weight: 700; line-height: 1.2; }
.float-card small { font-size: .8rem; color: var(--muted); }
.fc-icon { width: 28px; height: 28px; display: grid; place-items: center; color: var(--brand); flex: none; }
.fc-icon svg { width: 18px; height: 18px; }

/* Cinta */
.marquee {
  background: var(--navy); color: #fff; overflow: hidden;
  padding: 12px 0;
}
.marquee-track { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.marquee span {
  font-family: var(--display); font-weight: 600; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  padding: 0 18px; display: inline-flex; align-items: center; gap: 18px; white-space: nowrap; color: #d5deea;
}
.marquee span::after { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--yellow); }

/* Secciones */
.section { padding: clamp(64px, 8vw, 96px) 0; position: relative; background: var(--paper); }
.section--soft { background: #fff; }
.section--navy { background: var(--navy); color: #fff; }
.section-head { max-width: 640px; margin: 0 0 36px; }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.35rem); }
.section-head p:not(.kicker) { margin-top: 10px; color: var(--muted); }
.section-head--light h2 { color: #fff; }
.section-head--light p:not(.kicker) { color: #c5d0df; }
.kicker {
  display: block; margin-bottom: 8px;
  font-family: var(--display); font-weight: 700; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--brand);
}
.section-head--light .kicker { color: var(--yellow); }

/* Servicios */
.services-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service-card {
  padding: 26px 24px 22px;
  background: #fff;
}
.sc-icon {
  display: grid; place-items: center;
  width: 28px; height: 28px; margin-bottom: 14px;
  color: var(--brand);
}
.sc-icon svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 1.12rem; }
.service-card p { margin-top: 8px; color: var(--muted); font-size: .95rem; }
.service-card a:not(.btn) {
  display: inline-block; margin-top: 16px; font-weight: 600; font-size: .92rem; color: var(--brand);
  border-bottom: 1px solid transparent;
}
.service-card a:not(.btn):hover { border-bottom-color: var(--brand); }
.service-card--accent { background: var(--navy); color: #fff; }
.service-card--accent h3 { color: #fff; }
.service-card--accent p { color: #c5d0df; }
.service-card--accent .btn { margin-top: 18px; background: var(--yellow); color: var(--navy); }
.service-card--accent .btn:hover { background: #ffe27a; }

/* Sistemas */
.systems { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); grid-template-columns: 1fr 1fr; }
.system {
  padding: 22px 20px 18px; background: #fff;
  display: flex; flex-direction: column;
}
.sys-icon { width: 28px; height: 28px; display: grid; place-items: center; color: var(--brand); margin-bottom: 12px; }
.sys-icon svg { width: 24px; height: 24px; }
.system h3 { font-size: 1.05rem; }
.system p { margin-top: 6px; color: var(--muted); font-size: .9rem; line-height: 1.5; flex: 1; }
.sys-tag {
  align-self: flex-start; margin-top: 14px;
  font-family: var(--display); font-weight: 700; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand);
}

/* Marcas */
.brands { padding: 0 0 clamp(64px, 8vw, 96px); background: #fff; }
.brands-inner {
  display: grid; gap: 28px; align-items: center;
  padding: clamp(28px, 4vw, 40px) 0 0;
  border-top: 1px solid var(--line);
}
.brands-copy h2 { font-size: clamp(1.6rem, 3vw, 2.15rem); }
.brands-copy p:not(.kicker) { margin-top: 10px; color: var(--muted); }
.brand-tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; list-style: none; padding: 0; }
.brand-tile {
  position: relative; display: grid; place-items: center; min-height: 88px;
  background: #fff; color: var(--navy);
  border: 1px solid var(--line-strong);
}
.bt-name { font-family: var(--display); font-weight: 800; font-size: 1.25rem; letter-spacing: .02em; }
.bt-lg { font-size: 1.7rem; letter-spacing: .04em; }
.bt-wide { letter-spacing: .14em; font-size: 1.15rem; }
.bt-badge {
  position: absolute; top: 8px; left: 8px;
  font-family: var(--display); font-weight: 700; font-size: .58rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted);
}

/* Ingeniería */
.eng { display: grid; gap: 32px; align-items: start; }
.eng-copy h2 { font-size: clamp(1.7rem, 3.2vw, 2.35rem); }
.eng-copy p:not(.kicker) { margin: 12px 0 22px; color: var(--muted); }
.eng-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.eng-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 18px 0; border-bottom: 1px solid var(--line); background: transparent;
}
.eng-item > span {
  width: 28px; height: 28px; flex: none; display: grid; place-items: center; color: var(--brand); margin-top: 2px;
}
.eng-item > span svg { width: 22px; height: 22px; }
.eng-item h3 { font-size: 1.02rem; }
.eng-item p { margin-top: 2px; color: var(--muted); font-size: .93rem; }

/* Promo */
.promo { padding: 0 0 clamp(56px, 8vw, 80px); background: #fff; }
.promo-inner {
  display: grid; gap: 8px 36px; align-items: center;
  padding: clamp(28px, 4vw, 40px);
  background: var(--yellow);
  border: 1px solid #e0b000;
}
.promo-num {
  font-family: var(--display); font-weight: 800; line-height: .85;
  font-size: clamp(4.5rem, 12vw, 7.2rem); color: var(--navy); letter-spacing: -.04em;
}
.promo-num .x { color: #fff; }
.promo-tag {
  display: inline-flex; align-items: center; gap: .45em;
  font-family: var(--display); font-weight: 700; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--navy);
}
.promo-tag svg { width: 15px; height: 15px; }
.promo-copy h2 { margin-top: 8px; font-size: clamp(1.45rem, 2.8vw, 2rem); }
.promo-copy p:not(.promo-tag) { margin-top: 8px; color: #3a3208; max-width: 36em; }
.promo-copy .btn { margin-top: 18px; }

/* Hogar / empresa */
.split { display: grid; gap: 16px; }
.split-card { padding: 28px 26px; background: #fff; border: 1px solid var(--line); }
.split-card--dark { background: var(--navy); color: #d5deea; border-color: var(--navy); }
.split-card--dark h3 { color: #fff; }
.split-icon { width: 28px; height: 28px; display: grid; place-items: center; color: var(--brand); margin-bottom: 12px; }
.split-card--dark .split-icon { color: var(--yellow); }
.split-icon svg { width: 24px; height: 24px; }
.split-card h3 { font-size: 1.35rem; }
.checks { margin-top: 14px; display: grid; gap: 8px; }
.checks li { position: relative; padding-left: 22px; font-size: .96rem; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px;
  border-radius: 50%; background: var(--brand);
}
.split-card--dark .checks li::before { background: var(--yellow); }

.benefits { margin-top: 16px; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.benefit { display: flex; gap: 12px; align-items: flex-start; padding: 18px 16px; background: #fff; }
.benefit > span { width: 22px; height: 22px; flex: none; display: grid; place-items: center; color: var(--brand); margin-top: 2px; }
.benefit > span svg { width: 18px; height: 18px; }
.benefit strong { display: block; font-family: var(--display); color: var(--navy); font-size: .95rem; }
.benefit p { color: var(--muted); font-size: .9rem; }

/* Pasos */
.steps { display: grid; gap: 0; border-top: 1px solid var(--line); }
.step { padding: 22px 8px 8px 0; background: transparent; }
.step-n {
  display: block; margin-bottom: 10px;
  font-family: var(--display); font-weight: 800; font-size: .78rem; letter-spacing: .14em;
  color: var(--brand);
}
.step-n::before { content: "0"; }
.step h3 { font-size: 1.15rem; }
.step p { margin-top: 6px; color: var(--muted); }

/* Zonas */
.zones { display: grid; gap: 12px; }
.zone {
  padding: 22px 20px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.14);
}
.zone h3 { color: #fff; font-size: 1.2rem; margin-top: 12px; }
.zone p { margin-top: 8px; color: #c5d0df; font-size: .92rem; }
.zone-pin { width: 22px; height: 22px; display: grid; place-items: center; color: var(--yellow); }
.zone-pin svg { width: 18px; height: 18px; }
.zone-tag {
  display: inline-block; margin-top: 12px;
  font-family: var(--display); font-weight: 700; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--yellow);
  position: static;
}

/* FAQ */
.faq { display: grid; border-top: 1px solid var(--line); }
.faq details { background: transparent; border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 18px 36px 18px 0;
  font-family: var(--display); font-weight: 600; font-size: 1.02rem; color: var(--navy);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-54%);
  color: var(--brand); font-size: 1.35rem; font-weight: 500;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 28px 18px 0; color: var(--muted); }

/* Contacto */
.contact { display: grid; gap: 32px; align-items: start; }
.contact-copy h2 { font-size: clamp(1.7rem, 3.2vw, 2.35rem); }
.contact-copy p:not(.kicker) { margin: 12px 0 22px; color: var(--muted); }
.contact-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.contact-list li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px 0; border-bottom: 1px solid var(--line); background: transparent;
}
.contact-list li > span { width: 22px; height: 22px; flex: none; display: grid; place-items: center; color: var(--brand); margin-top: 2px; }
.contact-list svg { width: 18px; height: 18px; }
.contact-list small { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 600; }
.contact-list a, .contact-list address, .contact-list p { font-weight: 600; color: var(--navy); overflow-wrap: anywhere; }
.contact-list a:hover { color: var(--brand); }
.map-link { display: inline-block; margin-top: 4px; font-weight: 600; font-size: .9rem; color: var(--brand) !important; }

.map-card { margin-top: 36px; border: 1px solid var(--line); background: var(--ice); position: relative; }
.map-card iframe { display: block; width: 100%; height: 320px; border: 0; filter: grayscale(.35) contrast(1.05); }
.map-card .btn { position: absolute; left: 12px; bottom: 12px; }

/* Footer */
.site-footer { background: var(--navy); color: #c5d0df; padding: 48px 0 20px; }
.footer-inner { display: grid; gap: 24px; }
.footer-brand { font-family: var(--display); font-weight: 800; font-size: 1.25rem; color: #fff; margin-bottom: 8px; letter-spacing: .04em; }
.footer-brand span { color: var(--grey); font-weight: 600; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.site-footer nav a { font-weight: 500; color: #fff; font-size: .92rem; }
.site-footer nav a:hover { color: var(--yellow); }
.footer-addr { margin-top: 10px; font-size: .9rem; }
.footer-addr a { color: #fff; font-weight: 600; }
.footer-bottom { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); font-size: .85rem; }

.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  background: var(--wa); color: #fff;
  box-shadow: 0 8px 20px rgba(16, 32, 56, .18);
}
.wa-float svg { width: 28px; height: 28px; }
.wa-float:hover { background: #178a43; }

.js .reveal { opacity: 0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease; }
.js .reveal.is-in, .reveal-off .reveal { opacity: 1; transform: none; }
.js .reveal-pop, .js .reveal-pop .d { opacity: 1; transform: none; animation: none; }

@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 539px) {
  .header-cta span { display: none; }
  .header-cta { padding: .6em; }
  .hero-title { max-width: none; }
  .hero-badges strong { font-size: 1.3rem; }
  .float-card small { display: none; }
  .fc-3 { display: none; }
  .ac-unit { height: 112px; }
  .ac-display { top: 28px; font-size: 1.3rem; }
  .ac-led { top: 38px; }
  .systems { grid-template-columns: 1fr; }
}
@media (min-width: 540px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .zones { grid-template-columns: 1fr 1fr; }
  .benefits { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 720px) {
  .systems { grid-template-columns: repeat(3, 1fr); }
  .brands-inner { grid-template-columns: .85fr 1.15fr; gap: 48px; }
  .brand-tiles { grid-template-columns: repeat(3, 1fr); }
  .map-card iframe { height: 360px; }
  .split { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .promo-inner { grid-template-columns: auto 1fr; }
  .footer-inner { grid-template-columns: 1.4fr .8fr; align-items: start; }
}
@media (min-width: 960px) {
  .main-nav { display: flex; }
  .nav-toggle { display: none; }
  .header-cta { margin-left: 0; }
  .hero { padding-top: calc(var(--header-h) + 64px); padding-bottom: 72px; }
  .hero-grid { grid-template-columns: 1.15fr .85fr; gap: 64px; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .zones { grid-template-columns: repeat(4, 1fr); }
  .contact { grid-template-columns: 1fr 1fr; gap: 64px; }
  .eng { grid-template-columns: .9fr 1.1fr; gap: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .js .reveal { opacity: 1; transform: none; }
}