:root {
  --ink: #071a2b;
  --ink-2: #0d2940;
  --cyan: #38d7ff;
  --cyan-2: #7de8ff;
  --ice: #eaf9ff;
  --white: #ffffff;
  --muted: #5c6c79;
  --line: #d9e4ea;
  --green: #16a667;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(3, 25, 43, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
img { display: block; max-width: 100%; }

.demo-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 34px;
  padding: 7px 20px;
  color: #cceefa;
  background: #03111d;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-align: center;
}
.demo-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 15px var(--cyan); }
.section-shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section-pad { padding-block: 108px; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 76px;
  padding: 0 max(20px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(217,228,234,.9);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.22rem; font-weight: 500; letter-spacing: -.04em; }
.brand strong { font-weight: 850; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; color: var(--ink); background: var(--cyan); font-size: 1.2rem; }
.desktop-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.desktop-nav a { font-size: .9rem; font-weight: 700; color: #354958; transition: color .2s; }
.desktop-nav a:hover { color: #0089b0; }
.header-cta { padding: 11px 18px; color: #fff; background: var(--ink); border-radius: 12px; font-size: .88rem; font-weight: 800; }

.hero {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: clamp(40px, 6vw, 84px);
  min-height: 690px;
  padding-block: 74px 90px;
}
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; color: #087897; font-size: .77rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow span { display: block; width: 34px; height: 2px; background: var(--cyan); }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.045em; }
h1 { max-width: 690px; font-size: clamp(3rem, 5.5vw, 5.25rem); font-weight: 860; }
h2 { font-size: clamp(2.35rem, 4vw, 4rem); font-weight: 840; }
.hero-lead { max-width: 620px; margin: 28px 0 32px; color: var(--muted); font-size: 1.13rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.button { min-height: 52px; padding: 14px 22px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 14px; font-weight: 820; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--cyan); box-shadow: 0 13px 34px rgba(56,215,255,.28); }
.button-primary:hover { background: var(--cyan-2); }
.button-ghost { color: var(--ink); border: 1px solid var(--line); background: #fff; }
.trust-list { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 30px 0 0; padding: 0; list-style: none; color: #425462; font-size: .85rem; font-weight: 650; }
.trust-list span { margin-right: 4px; color: #029d68; font-weight: 900; }

.hero-visual { position: relative; min-height: 545px; }
.hero-visual::before { content: ""; position: absolute; inset: 5% -4% -5% 12%; border-radius: 40px 40px 110px 40px; background: linear-gradient(145deg, #c8f4ff, #f2fcff); transform: rotate(4deg); }
.hero-visual > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 40px 40px 110px 40px; box-shadow: var(--shadow); }
.hero-card { position: absolute; z-index: 2; display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1px solid rgba(255,255,255,.7); background: rgba(255,255,255,.92); border-radius: 16px; box-shadow: 0 15px 45px rgba(3,25,43,.16); backdrop-filter: blur(14px); }
.hero-card-top { top: 26px; left: -34px; }
.hero-card-bottom { right: -20px; bottom: 36px; flex-direction: column; align-items: flex-start; gap: 2px; }
.hero-card small, .hero-card span { color: var(--muted); font-size: .75rem; }
.hero-card strong { display: block; font-size: .88rem; }
.status-pulse { width: 11px; height: 11px; border-radius: 50%; background: #19bd79; box-shadow: 0 0 0 6px rgba(25,189,121,.13); }
.rating { color: var(--ink); font-size: 1.12rem; font-weight: 900; }

.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--ink); color: #fff; }
.proof-strip div { min-height: 116px; padding: 26px clamp(20px, 4vw, 54px); display: flex; flex-direction: column; justify-content: center; border-right: 1px solid rgba(255,255,255,.1); }
.proof-strip strong { color: var(--cyan); font-size: 1.02rem; }
.proof-strip span { color: #a9c0d0; font-size: .82rem; }

.section-heading { max-width: 760px; margin-bottom: 46px; }
.section-heading p { max-width: 620px; margin: 20px 0 0; color: var(--muted); font-size: 1.05rem; }
.service-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.service-card { position: relative; min-height: 390px; overflow: hidden; border-radius: var(--radius); }
.service-card-image { grid-column: span 4; }
.service-card-dark, .service-card-cyan { grid-column: span 2; padding: 28px 24px; display: flex; flex-direction: column; }
.service-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover img { transform: scale(1.04); }
.service-card::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.service-card-image::after { background: linear-gradient(180deg, transparent 30%, rgba(3,17,29,.9)); }
.service-overlay { position: absolute; z-index: 2; left: 26px; right: 26px; bottom: 26px; color: #fff; }
.service-overlay span, .service-number { color: var(--cyan); font-size: .78rem; font-weight: 900; letter-spacing: .12em; }
.service-overlay h3, .service-card h3 { margin-top: 8px; font-size: 1.55rem; }
.service-overlay p, .service-card p { margin: 12px 0 0; color: #c9d9e4; font-size: .9rem; line-height: 1.55; }
.service-card-dark { color: #fff; background: var(--ink); }
.service-card-cyan { color: var(--ink); background: var(--cyan); }
.service-card-cyan .service-number, .service-card-cyan p { color: #174254; }
.line-icon { width: 58px; margin: 44px 0 22px; }
.line-icon svg { width: 100%; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.service-card a { margin-top: auto; font-size: .88rem; font-weight: 800; }
.service-card a span { display: inline-block; margin-left: 5px; transition: transform .2s; }
.service-card a:hover span { transform: translateX(4px); }

.estimator-wrap { padding-block: 96px; color: #fff; background: var(--ink); overflow: hidden; }
.estimator { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(40px, 7vw, 100px); align-items: center; }
.eyebrow-light { color: #9edff2; }
.estimator-intro p { max-width: 480px; margin: 24px 0; color: #afc3d1; font-size: 1.05rem; }
.mini-note { max-width: 500px; padding: 15px 17px; border-left: 3px solid var(--cyan); color: #9bb1c0; background: rgba(255,255,255,.05); font-size: .82rem; }
.estimator-card { padding: clamp(24px, 4vw, 40px); color: var(--ink); background: #fff; border-radius: 28px; box-shadow: 0 30px 100px rgba(0,0,0,.25); }
.form-block { margin-bottom: 25px; }
.form-block label { display: block; margin-bottom: 10px; font-size: .88rem; font-weight: 820; }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.choice { padding: 13px 12px; color: #4a5c68; background: #f5f8fa; border: 1px solid #e3ebef; border-radius: 12px; cursor: pointer; font-size: .85rem; font-weight: 750; transition: all .2s; }
.choice:hover, .choice.active { color: var(--ink); background: var(--ice); border-color: #4bd7fa; box-shadow: 0 0 0 2px rgba(56,215,255,.13); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.form-row .form-block { min-width: 0; }
.quantity-control { display: grid; grid-template-columns: 44px 1fr 44px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.quantity-control button { border: 0; color: var(--ink); background: #f5f8fa; cursor: pointer; font-size: 1.25rem; font-weight: 800; }
.quantity-control input { min-width: 0; height: 48px; border: 0; text-align: center; font-weight: 800; outline: none; appearance: textfield; }
.form-block > input, select { width: 100%; height: 50px; padding: 0 14px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 12px; outline: none; }
.form-block > input:focus, select:focus { border-color: #2ec7ec; box-shadow: 0 0 0 3px rgba(56,215,255,.16); }
.estimate-result { margin: 4px 0 15px; padding: 18px 19px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-radius: 15px; background: var(--ice); }
.estimate-result small { display: block; color: #5c7583; font-size: .72rem; font-weight: 750; text-transform: uppercase; }
.estimate-result strong { display: block; margin-top: 2px; font-size: 1.4rem; }
.estimate-result > span { color: #3c5b6a; font-size: .82rem; text-align: right; }
.button-whatsapp { width: 100%; color: #fff; background: var(--green); }
.button-whatsapp:hover { background: #108a55; box-shadow: 0 14px 30px rgba(22,166,103,.22); }
.button-whatsapp svg, .floating-whatsapp svg { width: 22px; fill: currentColor; }

.process { padding-bottom: 126px; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.process-step { min-height: 240px; padding: 27px; border-top: 3px solid var(--cyan); background: #f5f9fb; border-radius: 0 0 18px 18px; }
.process-step span { color: #1298ba; font-size: .8rem; font-weight: 900; }
.process-step h3 { margin-top: 48px; font-size: 1.25rem; }
.process-step p { margin: 12px 0 0; color: var(--muted); font-size: .9rem; }

.areas { padding-block: 90px; color: #fff; background: linear-gradient(125deg, #07243a, #0b3853); }
.areas-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 70px; align-items: center; }
.areas-copy p { max-width: 650px; color: #aec5d3; }
.area-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 25px; }
.area-tags span { padding: 8px 13px; border: 1px solid rgba(255,255,255,.17); border-radius: 999px; color: #d7e9f2; background: rgba(255,255,255,.06); font-size: .8rem; }
.areas-panel { padding: 34px; border: 1px solid rgba(255,255,255,.13); border-radius: 23px; background: rgba(3,17,29,.5); box-shadow: 0 24px 70px rgba(0,0,0,.18); }
.areas-panel small { color: var(--cyan); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.areas-panel strong { display: block; margin: 20px 0 12px; font-size: clamp(1.35rem, 2.4vw, 2rem); line-height: 1.25; }
.areas-panel p { margin: 0; color: #a9c0ce; }

.faq-list { max-width: 900px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { padding: 23px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; list-style: none; font-size: 1.02rem; font-weight: 780; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { display: grid; place-items: center; flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%; background: var(--ice); transition: transform .2s; }
.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { max-width: 720px; margin: -5px 0 23px; color: var(--muted); }

.final-cta { margin-bottom: 100px; padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #fff; background: var(--ink); border-radius: 25px; overflow: hidden; }
.final-cta span { color: var(--cyan); font-size: .8rem; font-weight: 850; text-transform: uppercase; letter-spacing: .1em; }
.final-cta h2 { margin-top: 8px; font-size: clamp(2rem, 4vw, 3.35rem); }
footer { padding-block: 46px 90px; color: #9fb4c1; background: #03111d; }
.footer-grid { display: grid; grid-template-columns: .7fr 1.4fr .7fr; gap: 40px; align-items: center; }
.brand-footer { color: #fff; }
.footer-grid p { margin: 0; font-size: .84rem; }
.footer-links { display: flex; justify-content: flex-end; gap: 18px; font-size: .84rem; font-weight: 700; }
.floating-whatsapp { position: fixed; z-index: 55; right: 24px; bottom: 24px; width: 58px; height: 58px; display: grid; place-items: center; color: #fff; background: var(--green); border: 4px solid #fff; border-radius: 50%; box-shadow: 0 14px 38px rgba(0,0,0,.25); transition: transform .2s; }
.floating-whatsapp:hover { transform: translateY(-3px) scale(1.04); }
.mobile-cta { display: none; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 1020px) {
  .desktop-nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 64px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { min-height: 590px; }
  .service-card-image { grid-column: span 6; }
  .service-card-dark, .service-card-cyan { grid-column: span 6; min-height: 330px; }
  .estimator { grid-template-columns: 1fr; }
  .estimator-intro { max-width: 730px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .areas-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 680px) {
  .section-shell { width: min(100% - 28px, 1180px); }
  .section-pad { padding-block: 76px; }
  .demo-bar { font-size: .7rem; }
  .site-header { height: 66px; padding-inline: 14px; }
  .brand { font-size: 1.05rem; }
  .brand-mark { width: 34px; height: 34px; }
  .header-cta { padding: 9px 12px; font-size: .78rem; }
  .hero { min-height: auto; gap: 54px; padding-block: 54px 70px; }
  h1 { font-size: clamp(2.75rem, 14vw, 4rem); }
  h2 { font-size: clamp(2.15rem, 10vw, 3.2rem); }
  .hero-lead { margin-top: 21px; font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .trust-list { display: grid; }
  .hero-visual { min-height: 410px; }
  .hero-visual > img, .hero-visual::before { border-radius: 26px 26px 70px 26px; }
  .hero-card-top { top: 18px; left: 12px; }
  .hero-card-bottom { right: 10px; bottom: 20px; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip div { min-height: 100px; padding: 20px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card-image, .service-card-dark, .service-card-cyan { grid-column: 1; min-height: 360px; }
  .estimator-wrap { padding-block: 72px; }
  .estimator-card { padding: 22px 17px; border-radius: 20px; }
  .choice-grid, .form-row { grid-template-columns: 1fr; }
  .estimate-result { align-items: flex-start; flex-direction: column; }
  .estimate-result > span { text-align: left; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step { min-height: 210px; }
  .areas { padding-block: 72px; }
  .areas-panel { padding: 24px; }
  .final-cta { margin-bottom: 80px; padding: 34px 24px; flex-direction: column; align-items: flex-start; }
  footer { padding-bottom: 110px; }
  .floating-whatsapp { display: none; }
  .mobile-cta { position: fixed; z-index: 60; left: 0; right: 0; bottom: 0; display: block; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: rgba(3,17,29,.95); backdrop-filter: blur(12px); }
  .mobile-cta a { min-height: 50px; display: grid; place-items: center; color: var(--ink); background: var(--cyan); border-radius: 13px; font-weight: 850; }
}