:root {
  --brand-primary: #163A4A;
  --brand-secondary: #2F6574;
  --ink: #20262B;
  --ink-soft: #4E5B63;
  --surface: #FFFFFF;
  --surface-soft: #E7ECEF;
  --surface-cool: #F7F9FA;
  --line: #CAD3D8;
  --line-dark: rgba(255,255,255,.14);
  --white: #FFFFFF;
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --shadow-soft: 0 24px 70px rgba(19, 44, 56, .12);
  --shadow-card: 0 12px 32px rgba(22, 58, 74, .08);
  --shell: 1320px;
  --text: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--text);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
a { color: inherit; text-decoration: none; }
a:hover, a:focus-visible { color: inherit; text-decoration: none; }
a i, button i { text-decoration: none !important; }
button { color: inherit; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  padding: 10px 14px;
  background: var(--white);
  border-radius: 10px;
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }
.section { padding: 92px 0; }
.section-soft { background: var(--surface-cool); }
.section-dark { background: var(--ink); color: var(--white); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(32,38,43,.08);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { width: 142px; display: inline-flex; align-items: center; }
.brand img { width: 100%; height: auto; }
.main-nav { display: flex; align-items: center; gap: 26px; font-size: 14px; font-weight: 700; letter-spacing: .01em; }
.main-nav a { position: relative; padding: 8px 0; color: #324047; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 1px; height: 2px; background: var(--brand-secondary); transition: right .2s ease; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 9px; font-size: 26px; cursor: pointer; }

.hero { position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(47,101,116,.30), transparent 38%),
    repeating-linear-gradient(90deg, transparent 0 88px, rgba(255,255,255,.025) 88px 89px);
}
.hero::after {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  right: -240px;
  top: -170px;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 50%;
  box-shadow: 0 0 0 52px rgba(47,101,116,.05), 0 0 0 104px rgba(47,101,116,.03);
  pointer-events: none;
}
.hero-grid { min-height: 710px; display: grid; grid-template-columns: 1.02fr .98fr; gap: 72px; align-items: center; position: relative; z-index: 1; padding-top: 72px; padding-bottom: 72px; }
.hero-copy { max-width: 660px; }
.eyebrow { margin: 0 0 14px; color: var(--brand-secondary); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.section-dark .eyebrow, .on-dark .eyebrow, .cta-section .eyebrow { color: #9BC1CA; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.03em; }
h1 { font-size: clamp(2.7rem, 6vw, 4.7rem); max-width: 760px; }
h2 { font-size: clamp(1.85rem, 4vw, 2.8rem); }
h3 { font-size: 1.22rem; }
.hero-lead { max-width: 650px; margin: 24px 0 0; color: rgba(255,255,255,.76); font-size: clamp(1rem, 1.5vw, 1.15rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 12px 20px; border-radius: 14px; border: 1px solid transparent; font-weight: 800; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.btn:hover, .btn:focus-visible { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid rgba(124,191,205,.45); outline-offset: 3px; }
.btn-primary { background: var(--brand-secondary); color: var(--white); box-shadow: 0 12px 30px rgba(47,101,116,.24); }
.btn-primary:hover, .btn-primary:focus-visible { background: #3A7584; color: var(--white); }
.btn-ghost { border-color: rgba(255,255,255,.22); color: var(--white); background: rgba(255,255,255,.04); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.08); color: var(--white); }
.btn-light { background: var(--white); color: var(--brand-primary); }
.btn-light:hover, .btn-light:focus-visible { background: #F1F6F7; color: var(--brand-primary); }
.full { width: 100%; }
.hero-signals { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 28px; color: rgba(255,255,255,.72); font-size: 14px; }
.hero-signals span { display: inline-flex; align-items: center; gap: 7px; }
.hero-signals i { color: #A8CAD1; font-size: 18px; }

.hero-visual { position: relative; }
.technical-frame { position: relative; padding: 18px; border: 1px solid rgba(255,255,255,.14); background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.015)); border-radius: var(--radius-lg); box-shadow: 0 30px 80px rgba(0,0,0,.24); }
.technical-frame::before, .technical-frame::after { content: ""; position: absolute; width: 72px; height: 2px; background: #8FB9C3; top: 9px; }
.technical-frame::before { left: 30px; }
.technical-frame::after { right: 30px; }
.technical-frame img { width: 100%; height: auto; border-radius: 18px; }
.frame-label { position: absolute; left: 38px; bottom: 38px; display: grid; gap: 2px; padding: 14px 16px; border-radius: 12px; background: rgba(32,38,43,.88); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(8px); }
.frame-label span { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: rgba(255,255,255,.6); }
.frame-label strong { font-size: 15px; color: var(--white); }

.intro-band { background: var(--brand-primary); color: var(--white); }
.intro-band-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.intro-band-grid > div { position: relative; padding: 30px 34px 32px; border-right: 1px solid rgba(255,255,255,.12); }
.intro-band-grid > div:last-child { border-right: 0; }
.intro-band-grid span { font-size: 12px; letter-spacing: .13em; color: #9FC5CD; }
.intro-band-grid strong { display: block; margin-top: 4px; font-size: 20px; }
.intro-band-grid p { margin: 8px 0 0; color: rgba(255,255,255,.72); font-size: 15px; line-height: 1.5; }

.section-heading { max-width: 800px; margin-bottom: 42px; }
.section-heading h2 { max-width: 760px; }
.section-heading > p:last-child { margin: 16px 0 0; color: var(--ink-soft); }
.section-heading.on-dark { color: var(--white); }
.section-heading.on-dark > p:last-child { color: rgba(255,255,255,.72); }
.section-heading.centered { margin-inline: auto; text-align: center; }

.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.service-card { border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; background: var(--surface); box-shadow: var(--shadow-card); transition: transform .22s ease, box-shadow .22s ease; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.service-media { width: 100%; aspect-ratio: 3 / 2; overflow: hidden; background: var(--surface-soft); }
.service-media img { width: 100%; height: 100%; object-fit: cover; }
.service-body { position: relative; padding: 24px 24px 26px; }
.service-index { display: inline-flex; margin-bottom: 14px; font-size: 12px; font-weight: 800; letter-spacing: .12em; color: var(--brand-secondary); }
.service-body p { margin: 12px 0 0; color: var(--ink-soft); }

.about-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 76px; align-items: center; }
.about-visual { display: flex; justify-content: center; }
.about-image-wrap { position: relative; width: min(100%, 560px); }
.about-image-wrap::before { content: ""; position: absolute; width: 46%; height: 18px; left: 0; top: -18px; background: var(--brand-secondary); border-radius: 12px 12px 0 0; }
.about-image-wrap::after { content: ""; position: absolute; inset: 24px -24px -24px 24px; border: 1px solid rgba(47,101,116,.28); border-radius: var(--radius-lg); z-index: 0; }
.about-image-wrap img { position: relative; z-index: 1; width: 100%; height: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.about-copy { max-width: 650px; }
.about-copy > p:not(.eyebrow) { margin: 18px 0 0; color: var(--ink-soft); }
.about-note { margin-top: 28px; display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border-left: 4px solid var(--brand-secondary); background: #EDF4F6; border-radius: 0 14px 14px 0; }
.about-note i { margin-top: 2px; font-size: 21px; color: var(--brand-secondary); }
.about-note p { margin: 0; color: #405057; }

.feature-section { background: linear-gradient(135deg, var(--brand-primary), #102E3A); color: var(--white); }
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.feature-item { display: flex; gap: 16px; padding: 28px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); min-height: 160px; }
.feature-item i { flex: 0 0 auto; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: rgba(255,255,255,.08); color: #A8CFD7; font-size: 22px; }
.feature-item h3 { color: var(--white); }
.feature-item p { margin: 10px 0 0; color: rgba(255,255,255,.69); }

.process { background: var(--white); }
.process-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 0; border-top: 1px solid var(--line); }
.process-list li { width: calc(100% / 4); min-width: 250px; position: relative; padding: 32px 28px 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-list li:nth-child(4n+1) { border-left: 1px solid var(--line); }
.process-list span { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 22px; border-radius: 50%; background: var(--surface-soft); color: var(--brand-primary); font-weight: 900; font-size: 13px; }
.process-list p { margin: 10px 0 0; color: var(--ink-soft); }

.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.gallery-item { margin: 0; width: 100%; aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius-md); background: var(--surface-soft); border: 1px solid var(--line); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.gallery-item:hover img { transform: scale(1.015); }

.faq-inner { width: min(calc(100% - 40px), 860px); margin-inline: auto; }
.faq-list { display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; background: var(--white); overflow: hidden; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 18px; align-items: center; padding: 20px 22px; font-weight: 800; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { flex: 0 0 auto; color: var(--brand-secondary); font-size: 20px; transition: transform .2s ease; }
.faq details[open] summary i { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 22px 22px; color: var(--ink-soft); text-align: left; }

.contact-section { background: var(--surface-soft); }
.contact-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 26px; align-items: stretch; }
.contact-card { background: var(--ink); color: var(--white); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-soft); }
.contact-row { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.10); }
.contact-row:first-child { padding-top: 0; }
.contact-row:last-of-type { border-bottom: 0; }
.contact-row > i { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: rgba(47,101,116,.36); color: #B2D2D9; font-size: 20px; }
.contact-row span { display: block; margin-bottom: 4px; color: rgba(255,255,255,.58); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.contact-row p, .contact-row a { margin: 0; color: rgba(255,255,255,.88); font-size: 16px; }
.contact-row a:hover, .contact-row a:focus-visible { color: #B9DEE6; }
.contact-card .btn { margin-top: 24px; }
.map-wrap { min-height: 100%; border-radius: var(--radius-lg); overflow: hidden; background: #D2DADD; border: 1px solid #C5CFD4; box-shadow: var(--shadow-card); }
.map-wrap iframe { width: 100%; height: 100%; min-height: 610px; border: 0; display: block; }

.cta-section { padding: 62px 0; background: var(--brand-primary); color: var(--white); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner h2 { margin-bottom: 10px; }
.cta-inner p:last-child { margin: 0; color: rgba(255,255,255,.72); }

.site-footer { background: #11171B; color: rgba(255,255,255,.72); text-align: center; padding: 28px 0; }
.site-footer p { margin: 0; font-size: 14px; }

.whatsapp-float { position: fixed; right: 22px; bottom: 22px; z-index: 900; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: var(--brand-secondary); color: var(--white); box-shadow: 0 14px 36px rgba(16,46,58,.34); font-size: 29px; transition: transform .2s ease, background .2s ease; }
.whatsapp-float:hover, .whatsapp-float:focus-visible { color: var(--white); background: #3A7584; transform: translateY(-3px); }
.whatsapp-float:focus-visible { outline: 3px solid rgba(47,101,116,.35); outline-offset: 4px; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

.legal-page { background: var(--surface-cool); min-height: 100vh; }
.legal-header { background: var(--ink); color: var(--white); }
.legal-header .header-inner { min-height: 76px; }
.legal-header .brand { width: 132px; }
.legal-back { display: inline-flex; align-items: center; gap: 8px; color: rgba(255,255,255,.82); font-weight: 700; }
.legal-back:hover, .legal-back:focus-visible { color: #B9DEE6; }
.legal-content { width: min(calc(100% - 40px), 900px); margin: 0 auto; padding: 72px 0 88px; }
.legal-content h1 { font-size: clamp(2.2rem, 5vw, 3.7rem); }
.legal-content .legal-intro { margin: 18px 0 42px; color: var(--ink-soft); }
.legal-content h2 { margin-top: 40px; font-size: clamp(1.5rem, 3vw, 2rem); }
.legal-content p, .legal-content li { color: #445159; }
.legal-content ul { padding-left: 22px; }
.legal-content a { color: var(--brand-primary); font-weight: 700; }
.legal-content a:hover, .legal-content a:focus-visible { color: var(--brand-secondary); }

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 42px; min-height: 640px; }
  .service-grid, .gallery-grid, .feature-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-grid { gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
  .map-wrap iframe { min-height: 430px; }
}

@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .main-nav { position: fixed; top: 82px; left: 0; right: 0; bottom: 0; display: none; flex-direction: column; align-items: flex-start; gap: 0; padding: 18px 20px 32px; background: var(--white); border-top: 1px solid rgba(32,38,43,.08); }
  .main-nav.is-open { display: flex; }
  .main-nav a { width: 100%; padding: 16px 2px; border-bottom: 1px solid #E3E8EB; font-size: 16px; }
  .main-nav a::after { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; padding-top: 64px; padding-bottom: 64px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { max-width: 720px; }
  .intro-band-grid { grid-template-columns: 1fr; }
  .intro-band-grid > div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .intro-band-grid > div:last-child { border-bottom: 0; }
  .about-grid { grid-template-columns: 1fr; }
  .about-copy { max-width: 760px; }
  .about-visual { justify-content: flex-start; }
  .process-list li { width: 50%; }
  .process-list li:nth-child(4n+1) { border-left: 0; }
  .process-list li:nth-child(2n+1) { border-left: 1px solid var(--line); }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .section { padding: 58px 0; }
  .header-inner { min-height: 74px; }
  .brand { width: 124px; }
  .main-nav { top: 74px; }
  h1 { font-size: clamp(2.35rem, 12vw, 3.6rem); }
  .hero-grid { padding-top: 48px; padding-bottom: 54px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-signals { display: grid; gap: 8px; }
  .technical-frame { padding: 10px; border-radius: 20px; }
  .technical-frame img { border-radius: 14px; }
  .frame-label { left: 20px; right: 20px; bottom: 20px; }
  .service-grid, .gallery-grid, .feature-list { grid-template-columns: 1fr; }
  .service-card:hover { transform: none; }
  .about-image-wrap::after { inset: 16px -10px -16px 10px; }
  .process-list { border-top: 0; gap: 12px; }
  .process-list li { width: 100%; min-width: 0; border: 1px solid var(--line) !important; border-radius: 16px; padding: 24px; }
  .contact-card { padding: 24px 20px; }
  .contact-row { grid-template-columns: 38px 1fr; }
  .contact-row > i { width: 38px; height: 38px; }
  .map-wrap iframe { min-height: 360px; }
  .faq-inner { width: min(calc(100% - 28px), 860px); }
  .faq summary { padding: 18px; }
  .faq details p { padding: 0 18px 18px; }
  .whatsapp-float { width: 56px; height: 56px; right: 16px; bottom: 16px; }
  .site-footer { padding-bottom: 92px; }
  .legal-page .site-footer { padding-bottom: 28px; }
  .legal-content { width: min(calc(100% - 28px), 900px); padding: 56px 0 72px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}