:root {
  --ink: #15191c;
  --muted: #687177;
  --line: #e5e8ea;
  --surface: #f5f6f6;
  --white: #ffffff;
  --dark: #111719;
  --accent: #b8d62d;
  --accent-dark: #98b514;
  --radius: 22px;
  --shadow: 0 20px 60px rgba(18, 25, 28, .10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "DM Sans", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229,232,234,.8);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: baseline; gap: 7px; font-family: "Manrope", sans-serif; }
.brand-main { font-size: 26px; font-weight: 800; letter-spacing: -1.5px; }
.brand-sub { font-size: 10px; font-weight: 800; letter-spacing: 2px; }
.desktop-nav { display: flex; gap: 30px; margin-left: auto; }
.desktop-nav a { font-size: 14px; font-weight: 600; color: #4f575b; }
.desktop-nav a:hover { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: 15px 24px;
  font-weight: 700; transition: .2s ease; border: 0;
}
.btn:hover { transform: translateY(-2px); }
.btn-small { padding: 11px 18px; background: var(--dark); color: white; font-size: 13px; }
.btn-primary { background: var(--dark); color: white; }
.btn-primary:hover { background: #283033; }
.btn-light { background: white; color: var(--dark); }
.btn-large { padding: 18px 30px; }
.hero { padding: 80px 0 70px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; }
.eyebrow { display: inline-block; font-size: 12px; letter-spacing: 1.8px; font-weight: 800; color: #788117; margin-bottom: 16px; }
.eyebrow.light { color: #d7ec73; }
h1, h2, h3 { font-family: "Manrope", sans-serif; line-height: 1.12; }
h1 { font-size: clamp(42px, 5.2vw, 70px); letter-spacing: -3.6px; max-width: 760px; }
h1 span { color: #91aa13; white-space: nowrap; }
.hero-lead { font-size: 18px; color: var(--muted); max-width: 650px; margin: 24px 0; }
.price-card {
  display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center;
  background: var(--surface); border: 1px solid var(--line);
  padding: 20px 22px; border-radius: 18px; max-width: 680px;
}
.price-card > div { min-width: 170px; padding-right: 25px; border-right: 1px solid #d8dcde; }
.price-label { display: block; font-size: 10px; letter-spacing: 1px; font-weight: 800; color: var(--muted); }
.price-card strong { display: block; font: 800 35px/1.1 "Manrope"; margin-top: 3px; }
.price-card p { font-size: 13px; color: var(--muted); line-height: 1.45; }
.hero-actions { display: flex; align-items: center; gap: 25px; margin: 28px 0 22px; }
.text-link { font-weight: 700; font-size: 14px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: #596166; }
.hero-visual { position: relative; }
.hero-image {
  height: 540px; border-radius: 34px; overflow: hidden; position: relative;
  background: linear-gradient(155deg, rgba(255,255,255,.45), transparent 55%),
              linear-gradient(135deg, #eef0ef, #aeb5b8);
  box-shadow: var(--shadow);
}
.hero-image::before {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 42%;
  background: linear-gradient(155deg, #c9c0b2, #9e9385);
  clip-path: polygon(0 48%,100% 10%,100% 100%,0 100%);
}
.ac-unit {
  position: absolute; width: 70%; height: 95px; top: 95px; left: 15%;
  background: linear-gradient(#fff,#f1f2f2);
  border-radius: 13px 13px 20px 20px;
  box-shadow: 0 14px 28px rgba(0,0,0,.14);
}
.ac-unit::after {
  content: ""; position: absolute; left: 5%; right: 5%; bottom: 10px;
  height: 7px; background: #c8cdcf; border-radius: 10px;
}
.ac-line { position: absolute; left: 7%; right: 7%; top: 57%; border-top: 1px solid #dce0e1; }
.ac-display { position: absolute; right: 10%; top: 24px; font-size: 11px; color: #8b989e; }
.air-flow { position: absolute; height: 130px; width: 1px; top: 188px; background: linear-gradient(#fff, transparent); opacity: .65; transform: rotate(18deg); }
.flow-1 { left: 35%; }.flow-2 { left: 50%; }.flow-3 { left: 65%; }
.floating-card {
  position: absolute; left: -30px; bottom: 35px; background: white;
  border-radius: 18px; padding: 18px 24px; box-shadow: var(--shadow);
}
.floating-card span, .floating-card small { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
.floating-card strong { display: block; font: 800 30px "Manrope"; }
.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(3,1fr); }
.trust-grid div { padding: 24px 35px; border-right: 1px solid var(--line); }
.trust-grid div:first-child { padding-left: 0; }
.trust-grid div:last-child { border-right: 0; }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { font: 700 15px "Manrope"; }
.trust-grid span { color: var(--muted); font-size: 13px; margin-top: 2px; }
.section { padding: 105px 0; }
.section-heading { max-width: 690px; margin-bottom: 48px; }
.section-heading.centered { text-align: center; margin-left: auto; margin-right: auto; }
.section-heading h2, .region-grid h2 { font-size: clamp(34px,4vw,52px); letter-spacing: -2.4px; }
.section-heading p { color: var(--muted); margin-top: 15px; font-size: 17px; }
.cards { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.service-card { background: var(--surface); border-radius: var(--radius); padding: 30px 26px; min-height: 250px; }
.icon { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--dark); color: white; margin-bottom: 38px; }
.service-card h3 { font-size: 20px; margin-bottom: 12px; }
.service-card p { color: var(--muted); font-size: 14px; }
.offer-section { background: var(--dark); color: white; padding: 90px 0; }
.offer-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: center; }
.offer-grid h2 { font-size: clamp(38px,5vw,60px); letter-spacing: -3px; }
.offer-grid h2 span { color: var(--accent); }
.offer-grid > div > p { color: #bbc2c5; margin-top: 20px; max-width: 680px; }
.offer-note { font-size: 13px; }
.offer-box { border: 1px solid #394144; background: #1b2225; border-radius: 24px; padding: 34px; }
.offer-box > span { font-size: 11px; letter-spacing: 1.5px; color: #cbd1d3; }
.offer-box strong { display: block; font: 800 55px "Manrope"; color: var(--accent); margin: 5px 0; }
.offer-box p { margin: 0 0 25px !important; }
.offer-box .btn { width: 100%; }
.offer-box small { display: block; margin-top: 13px; color: #9ba4a7; text-align: center; }
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.step { border-top: 2px solid var(--ink); padding-top: 22px; }
.step > span { color: #8ba10d; font-weight: 800; font-size: 13px; }
.step h3 { margin: 22px 0 10px; font-size: 20px; }
.step p { color: var(--muted); font-size: 14px; }
.region-section { background: var(--surface); }
.region-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 80px; align-items: center; }
.region-grid > div > p { color: var(--muted); font-size: 17px; margin: 20px 0 28px; }
.region-card { background: white; padding: 40px; border-radius: 26px; box-shadow: 0 10px 35px rgba(0,0,0,.05); }
.region-card span { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 18px; }
.region-card strong { display: block; font: 800 28px "Manrope"; padding: 10px 0; border-bottom: 1px solid var(--line); }
.region-card p { margin-top: 20px; color: var(--muted); }
.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; gap: 20px; align-items: center;
  padding: 22px 0; background: none; border: 0; text-align: left;
  font: 700 16px "DM Sans"; cursor: pointer; color: var(--ink);
}
.faq-question span { font-size: 25px; font-weight: 400; transition: transform .2s; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { padding: 0 45px 22px 0; color: var(--muted); font-size: 14px; }
.faq-item.open .faq-answer { max-height: 220px; }
.faq-item.open .faq-question span { transform: rotate(45deg); }
.final-cta { background: var(--dark); color: white; padding: 70px 0; border-top: 1px solid #2e3639; }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.final-cta h2 { font-size: clamp(32px,4vw,48px); letter-spacing: -2px; max-width: 700px; }
.final-cta p { color: #b8c0c2; margin-top: 12px; }
footer { background: #0b0f10; color: #899194; padding: 30px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 25px; font-size: 12px; }
.footer-brand { color: white; }
.floating-whatsapp {
  position: fixed; right: 22px; bottom: 22px; z-index: 40;
  background: var(--accent); color: #111; font-weight: 800; font-size: 13px;
  padding: 14px 19px; border-radius: 999px; box-shadow: 0 12px 35px rgba(0,0,0,.18);
}
@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .hero { padding-top: 55px; }
  .hero-grid, .offer-grid, .region-grid, .faq-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero-visual { max-width: 620px; width: 100%; margin: auto; }
  .hero-image { height: 440px; }
  .cards, .steps { grid-template-columns: repeat(2,1fr); }
  .floating-card { left: 20px; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav { min-height: 68px; }
  .brand-main { font-size: 23px; }
  .header .btn-small { font-size: 0; padding: 10px 13px; }
  .header .btn-small::after { content: "WhatsApp"; font-size: 12px; }
  h1 { font-size: 43px; letter-spacing: -2.5px; }
  .hero-lead { font-size: 16px; }
  .price-card { grid-template-columns: 1fr; gap: 12px; }
  .price-card > div { border-right: 0; border-bottom: 1px solid #d8dcde; padding: 0 0 13px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 15px; }
  .text-link { text-align: center; }
  .hero-points { gap: 8px 15px; }
  .hero-image { height: 350px; border-radius: 25px; }
  .ac-unit { top: 65px; }
  .air-flow { top: 158px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid div, .trust-grid div:first-child { padding: 17px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-grid div:last-child { border-bottom: 0; }
  .section { padding: 75px 0; }
  .cards, .steps { grid-template-columns: 1fr; }
  .service-card { min-height: 210px; }
  .icon { margin-bottom: 25px; }
  .offer-section { padding: 70px 0; }
  .offer-grid h2 { letter-spacing: -2px; }
  .faq-grid { gap: 20px; }
  .final-cta-inner, .footer-inner { flex-direction: column; align-items: flex-start; }
  .final-cta .btn { width: 100%; }
  .floating-whatsapp { right: 14px; bottom: 14px; }
}