:root {
  --navy: #092f3d;
  --blue: #146c85;
  --cyan: #53d6dd;
  --ice: #eaf9f8;
  --orange: #ff7a3d;
  --paper: #f7fbfa;
  --ink: #123541;
  --muted: #607a82;
  --row: 1360px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); font-family: Inter, Arial, Helvetica, sans-serif; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.row { width: min(100%, var(--row)); margin-inline: auto; padding-inline: var(--gutter); }
.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .7rem 1rem; background: white; color: var(--navy); border-radius: .5rem; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

/* Base móvil: la página funciona primero en una sola columna. */
.site-header { width: min(100%, var(--row)); min-height: 4.5rem; margin-inline: auto; padding: .55rem var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand img { width: 8.75rem; height: 3.25rem; object-fit: contain; object-position: left center; }
nav { display: none; }
.header-cta { width: 2.8rem; height: 2.8rem; display: grid; place-items: center; flex: 0 0 auto; border-radius: .55rem; background: var(--navy); color: white; box-shadow: 0 .65rem 1.8rem rgba(9,47,61,.17); }
.header-cta span { display: none; }
.header-cta i { color: var(--cyan); }

.hero { width: 100%; background: linear-gradient(115deg, #f4fbf9 0%, #e6f7f5 56%, #d2efec 100%); }
.hero-row { display: grid; gap: 2rem; padding-top: 2.5rem; padding-bottom: 3.75rem; }
.hero-copy { position: relative; z-index: 2; text-align: center; }
.eyebrow, .kicker { margin: 0; display: inline-flex; align-items: center; gap: .55rem; color: var(--blue); font-size: .69rem; font-weight: 800; text-transform: uppercase; letter-spacing: .15em; }
.eyebrow { padding: .5rem .75rem; border: 1px solid #b5dedb; border-radius: 100vw; }
.eyebrow span { width: .45rem; height: .45rem; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 .25rem rgba(255,122,61,.13); }
h1 { max-width: 39rem; margin: 1.45rem auto 1.15rem; color: var(--navy); font-size: clamp(2.65rem, 12vw, 4.75rem); line-height: .98; letter-spacing: -.055em; }
h1 em, .section-heading h2 em { color: var(--blue); font-style: normal; font-weight: 400; }
.hero-lead { max-width: 35rem; margin: 0 auto; color: #4d6b73; font-size: 1rem; line-height: 1.65; }
.hero-actions { margin-top: 2rem; display: grid; gap: .55rem; }
.button-primary { min-height: 3.5rem; padding: .9rem 1.2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-radius: .55rem; background: var(--orange); color: white; font-size: .88rem; font-weight: 800; box-shadow: 0 .75rem 1.9rem rgba(255,122,61,.25); }
.text-link { width: max-content; margin-inline: auto; padding: .75rem .1rem .5rem; border-bottom: 1px solid #a3bfbe; color: var(--navy); font-size: .87rem; font-weight: 700; }
.text-link i { margin-left: .5rem; color: var(--blue); }
.trust-row { margin-top: 2rem; display: flex; flex-wrap: wrap; justify-content: center; gap: .65rem 1rem; color: #547079; font-size: .72rem; font-weight: 700; }
.trust-row i { margin-right: .22rem; color: var(--blue); }

.hero-visual { min-width: 0; height: clamp(19rem, 88vw, 25rem); position: relative; overflow: clip; border-radius: 48% 48% 28% 28%; background: radial-gradient(circle at 52% 46%, rgba(255,255,255,.96), rgba(143,211,207,.48) 55%, rgba(83,214,221,.08) 72%); box-shadow: inset 0 0 4.3rem rgba(255,255,255,.65); }
.hero-visual > img { position: absolute; z-index: 2; inset: -3% -12%; width: 124%; height: 108%; max-width: none; object-fit: contain; filter: drop-shadow(0 1.6rem 1.55rem rgba(12,73,88,.22)); }
.temperature-card, .status-card { position: absolute; z-index: 4; border: 1px solid rgba(255,255,255,.82); background: rgba(255,255,255,.82); backdrop-filter: blur(.75rem); box-shadow: 0 .9rem 2.2rem rgba(20,81,94,.14); }
.temperature-card { top: 10%; right: 0; padding: .85rem 1rem; border-radius: .85rem; }
.temperature-card strong { display: block; color: var(--navy); font-size: 1.5rem; }
.temperature-card span { color: #6b878c; font-size: .6rem; }
.status-card { bottom: 12%; left: 0; padding: .75rem .9rem; display: flex; align-items: center; gap: .65rem; border-radius: .75rem; color: var(--navy); font-size: .66rem; text-transform: uppercase; letter-spacing: .05em; }
.status-card i { width: 1.8rem; height: 1.8rem; display: grid; place-items: center; border-radius: 50%; background: var(--cyan); color: white; font-size: .95rem; }
.hero-visual > p { position: absolute; z-index: 3; right: 3%; bottom: 3%; margin: 0; color: var(--blue); font-size: .6rem; font-weight: 800; text-transform: uppercase; letter-spacing: .15em; }

.service-ribbon { width: 100%; min-height: 4.5rem; background: var(--navy); color: white; }
.ribbon-row { min-height: inherit; padding-block: 1rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .8rem 1rem; color: white; font-size: .64rem; font-weight: 800; text-transform: uppercase; letter-spacing: .13em; }
.ribbon-row i { color: var(--cyan); }

.section { width: 100%; padding-block: 5.25rem; }
.section-heading { display: grid; gap: 1.25rem; margin-bottom: 2.75rem; }
.section-heading h2, .center-heading h2, .adv-copy h2, .contact-copy h2 { margin: .9rem 0 0; color: var(--navy); font-size: clamp(2.25rem, 10vw, 3.5rem); line-height: 1.04; letter-spacing: -.045em; }
.section-heading > p, .center-heading > p:last-child, .contact-copy > p { margin: 0; color: var(--muted); font-size: .94rem; line-height: 1.7; }
.services-grid { display: grid; gap: .9rem; }
.service-card { min-height: 20rem; padding: 1.7rem 1.5rem 1.45rem; position: relative; overflow: hidden; border: 1px solid #d8e8e7; border-radius: .75rem; background: white; }
.card-number { position: absolute; top: 1rem; right: 1rem; color: #b9ccce; font-size: .75rem; font-weight: 800; }
.service-icon { width: 3.55rem; height: 3.55rem; display: grid; place-items: center; border-radius: 50%; background: var(--ice); color: var(--blue); font-size: 1.45rem; line-height: 3.55rem; text-align: center; }
.service-card h3 { margin: 1.7rem 0 .75rem; color: var(--navy); font-size: 1.35rem; }
.service-card p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.65; }
.service-card a { position: absolute; left: 1.5rem; bottom: 1.5rem; color: var(--blue); font-size: .73rem; font-weight: 800; text-transform: uppercase; letter-spacing: .045em; }
.service-card a i { margin-left: .35rem; }

.advantages { width: 100%; background: var(--navy); color: white; }
.advantages-row { padding-inline: 0; }
.adv-visual { min-height: 27.5rem; position: relative; overflow: hidden; background: radial-gradient(circle at 50% 45%, #1d7380, #0d4b5a 56%, #082c39); }
.adv-visual::before, .adv-visual::after { content: ""; position: absolute; border: 1px solid rgba(83,214,221,.22); border-radius: 50%; }
.adv-visual::before { inset: 12%; }
.adv-visual::after { inset: -5%; border-style: dashed; }
.adv-visual > img { position: absolute; z-index: 1; inset: 3% -14% 10%; width: 128%; height: 87%; max-width: none; object-fit: contain; filter: drop-shadow(0 1.75rem 1.75rem rgba(0,0,0,.24)); }
.quality-seal { position: absolute; z-index: 2; right: 7%; bottom: 18%; padding: .9rem 1rem; display: flex; align-items: center; gap: .6rem; border-radius: .7rem; background: white; color: var(--navy); box-shadow: 0 1.1rem 2.5rem rgba(0,0,0,.2); font-size: .62rem; text-transform: uppercase; letter-spacing: .08em; }
.quality-seal i { width: 1.95rem; height: 1.95rem; display: grid; place-items: center; border-radius: 50%; background: var(--cyan); color: white; }
.adv-visual > p { position: absolute; z-index: 2; left: 8%; bottom: 5%; color: #8bc2c5; font-size: .61rem; text-transform: uppercase; letter-spacing: .16em; }
.adv-copy { padding: 4.4rem var(--gutter); }
.kicker-light { color: var(--cyan); }
.adv-copy h2 { color: white; }
.adv-copy > p:last-of-type { color: #a5c2c8; font-size: .92rem; line-height: 1.7; }
.adv-list { margin-top: 2.25rem; display: grid; gap: 1.65rem; }
.adv-list article { display: flex; gap: .8rem; }
.adv-list article > b { margin-top: .2rem; color: var(--cyan); font-size: .7rem; }
.adv-list h3 { margin: 0 0 .45rem; font-size: 1rem; }
.adv-list p { margin: 0; color: #9ebbc1; font-size: .77rem; line-height: 1.55; }

.process-section { padding-bottom: 5.7rem; }
.center-heading { max-width: 45rem; margin: 0 auto 3.5rem; text-align: center; }
.center-heading > p:last-child { margin-top: 1rem; }
.process-grid { display: grid; gap: 2.75rem; }
.process-grid article { text-align: center; }
.process-grid article > span { width: 3.9rem; height: 3.9rem; margin: 0 auto 1.35rem; display: grid; place-items: center; border: 1px solid #9bc8c8; border-radius: 50%; background: white; color: var(--blue); font-size: .82rem; font-weight: 800; box-shadow: 0 0 0 .5rem var(--paper); }
.process-grid h3 { margin: 0 0 .75rem; color: var(--navy); font-size: 1rem; }
.process-grid p { max-width: 15rem; margin: auto; color: var(--muted); font-size: .81rem; line-height: 1.6; }

.cta-section { width: 100%; padding-bottom: 5.25rem; }
.cta-band { padding: 2.6rem 1.55rem; display: grid; gap: 2rem; border-radius: 1.2rem; background: linear-gradient(115deg, #0a3948, #0d6675); color: white; box-shadow: 0 1.55rem 3.75rem rgba(9,47,61,.18); }
.cta-band h2 { margin: .85rem 0 .65rem; font-size: clamp(2.1rem, 9vw, 3.2rem); line-height: 1.04; letter-spacing: -.04em; }
.cta-band p:last-child { margin: 0; color: #aed0d4; }
.cta-band > a { width: 100%; min-height: 3.65rem; padding: 1rem 1.2rem; display: flex; align-items: center; gap: .65rem; border-radius: .55rem; background: var(--orange); color: white; font-size: .8rem; font-weight: 800; }
.cta-band > a .fa-arrow-right { margin-left: auto; }
.cta-band > a .fa-whatsapp { font-size: 1.2rem; }

.contact-section { width: 100%; padding-bottom: 5rem; }
.contact-row { display: grid; gap: 2.75rem; }
.contact-copy { text-align: center; }
.contact-copy > p { margin-top: 1rem; }
.contact-method { margin-top: 1.65rem; display: flex; align-items: center; justify-content: center; gap: .9rem; text-align: left; }
.contact-method > i { width: 2.75rem; height: 2.75rem; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: var(--ice); color: var(--blue); font-size: 1.15rem; }
.contact-method small { display: block; margin-bottom: .3rem; color: #7a9298; font-size: .57rem; text-transform: uppercase; letter-spacing: .1em; }
.contact-method a, .contact-method strong { color: var(--navy); font-size: .84rem; }
.contact-hours { padding: .9rem 1rem; border: 1px solid #d5e9e7; border-radius: .5rem; color: #5b747b !important; font-size: .69rem !important; }
.contact-hours span { display: inline-block; width: .45rem; height: .45rem; margin-right: .5rem; border-radius: 50%; background: #3cbf77; }
.contact-form { padding: 1.55rem 1.2rem; border: 1px solid #dcebea; border-radius: 1rem; background: white; box-shadow: 0 1.55rem 3.4rem rgba(10,60,72,.09); }
.contact-form label { display: block; margin-bottom: 1.15rem; color: var(--navy); font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.form-row { display: grid; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: .55rem; padding: .9rem; border: 1px solid #d6e6e5; border-radius: .45rem; outline: 0; background: #fbfdfd; color: var(--ink); font-size: .88rem; text-transform: none; letter-spacing: 0; }
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 .2rem rgba(20,108,133,.1); }
.contact-form button { width: 100%; min-height: 3.2rem; padding: .9rem 1.15rem; display: flex; align-items: center; justify-content: space-between; border: 0; border-radius: .45rem; background: var(--orange); color: white; cursor: pointer; font-size: .8rem; font-weight: 800; }
.form-note { margin: .75rem 0 0; color: #738a90; text-align: center; font-size: .63rem; }

footer { width: 100%; background: #062733; color: white; }
.footer-main, .footer-bottom { width: min(100%, var(--row)); margin-inline: auto; padding-inline: var(--gutter); }
.footer-main { padding-top: 3.5rem; padding-bottom: 3rem; display: grid; grid-template-columns: 1fr 1fr; gap: 2.3rem 1.5rem; }
.footer-main > div:first-child { grid-column: 1 / -1; }
.footer-logo { width: 11.5rem; height: 4.25rem; object-fit: contain; object-position: left center; }
.footer-main > div:first-child p { max-width: 18rem; color: #84a6ad; font-size: .75rem; line-height: 1.7; }
.footer-main h3 { margin: 0 0 1.1rem; color: #a5c9ce; font-size: .62rem; text-transform: uppercase; letter-spacing: .14em; }
.footer-main > div > a:not(:first-child), .footer-main > div:not(:first-child) > a { display: block; margin: .7rem 0; color: #86a7ae; font-size: .73rem; }
.footer-bottom { padding-top: 1.25rem; padding-bottom: 1.25rem; display: flex; flex-direction: column; gap: .8rem; border-top: 1px solid #18434f; color: #628790; font-size: .62rem; }
.floating-wa { position: fixed; z-index: 20; right: max(1.1rem, env(safe-area-inset-right)); bottom: max(1.1rem, env(safe-area-inset-bottom)); width: 3rem; height: 3rem; display: grid; place-items: center; border-radius: 50%; background: #20bd68; color: white; box-shadow: 0 .75rem 1.9rem rgba(8,61,38,.3); font-size: 1.2rem; }
.floating-wa span { display: none; }

@media (min-width: 42rem) {
  .hero-actions { display: flex; justify-content: center; align-items: center; gap: 1.6rem; }
  .button-primary { min-width: 14rem; }
  .services-grid, .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .adv-list, .form-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
  .footer-main { grid-template-columns: 2fr 1fr 1fr; }
  .footer-main > div:first-child { grid-column: auto; }
  .footer-main > div:last-child { grid-column: 2; }
}

@media (min-width: 56.25rem) {
  nav { display: flex; align-items: center; gap: 1.9rem; color: #45646e; font-size: .86rem; }
  nav a:hover { color: var(--blue); }
  .header-cta { width: auto; min-height: 2.9rem; padding: .75rem 1.15rem; display: flex; gap: .65rem; font-size: .78rem; font-weight: 800; }
  .header-cta span { display: inline; }
  .hero-row { grid-template-columns: 1.03fr .97fr; align-items: center; gap: 3.5rem; min-height: 42.5rem; padding-top: 4rem; padding-bottom: 4rem; }
  .hero-copy { text-align: left; }
  h1, .hero-lead { margin-left: 0; }
  .hero-actions, .trust-row { justify-content: flex-start; }
  .text-link { margin-inline: 0; }
  .hero-visual { height: 31.25rem; }
  .temperature-card { right: -2%; padding: 1rem 1.35rem; }
  .status-card { left: -4%; bottom: 18%; }
  .hero-visual > p { bottom: 4%; }
  .section { padding-block: 7.4rem; }
  .section-heading { grid-template-columns: 1.25fr .75fr; align-items: end; gap: 4rem; }
  .advantages-row { display: grid; grid-template-columns: 1fr 1fr; }
  .adv-visual { min-height: 45.5rem; }
  .adv-copy { padding: 5.9rem clamp(2.8rem, 6vw, 5.9rem); }
  .process-section { padding-top: 7.5rem; padding-bottom: 8rem; }
  .cta-section { padding-bottom: 7.4rem; }
  .cta-band { min-height: 17.8rem; padding: 3.6rem 4.25rem; grid-template-columns: 1fr auto; align-items: center; gap: 2.5rem; }
  .cta-band > a { min-width: 15.5rem; }
  .contact-section { padding-bottom: 7.2rem; }
  .contact-row { grid-template-columns: .85fr 1.15fr; align-items: center; gap: clamp(3rem, 7vw, 6.25rem); }
  .contact-copy { text-align: left; }
  .contact-method { justify-content: flex-start; }
  .contact-form { padding: 2.25rem; }
  .footer-main { grid-template-columns: 2fr repeat(3, 1fr); gap: 3.75rem; padding-top: 4.4rem; padding-bottom: 3.75rem; }
  .footer-main > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
  .floating-wa { width: auto; height: auto; padding: .75rem 1rem; display: flex; gap: .5rem; border-radius: 100vw; }
  .floating-wa span { display: inline; font-size: .68rem; font-weight: 800; }
}

@media (min-width: 64rem) {
  .services-grid, .process-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .service-card { min-height: 22.2rem; }
  .process-grid { gap: 1.9rem; }
  .service-card, .header-cta, .button-primary { transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
  .service-card:hover { transform: translateY(-.35rem); border-color: #b1dad8; box-shadow: 0 1.25rem 2.8rem rgba(9,47,61,.1); }
  .header-cta:hover, .button-primary:hover { transform: translateY(-.15rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}