:root {
  --navy: #0d2f3a;
  --navy-deep: #081f27;
  --teal: #1c5866;
  --orange: #ee9a5c;
  --orange-deep: #d9783a;
  --ink: #1d2a30;
  --muted: #5a6b72;
  --line: #dfe5e7;
  --paper: #f5f7f7;
  --white: #ffffff;
  --radius: 14px;
  --max: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Barlow Condensed", "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: var(--teal); }
h1, h2, h3 { font-family: var(--display); line-height: 1.1; margin: 0 0 .5em; color: var(--navy); letter-spacing: .01em; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); font-weight: 700; }
h3 { font-size: 1.5rem; font-weight: 600; }
p { margin: 0 0 1em; }

.container { width: min(var(--max), 100% - 40px); margin-inline: auto; }
.eyebrow {
  display: inline-block;
  font-size: .78rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--orange-deep); margin-bottom: .8em;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand img { height: 46px; width: auto; }
.nav { display: flex; gap: 6px; align-items: center; }
.nav a {
  text-decoration: none; color: var(--navy); font-weight: 600; font-size: .95rem;
  padding: 10px 14px; border-radius: 8px;
}
.nav a:hover { background: var(--paper); }
.nav a[aria-current="page"] { color: var(--orange-deep); }
.nav a.nav-cta { background: var(--navy); color: var(--white); margin-left: 6px; }
.nav a.nav-cta:hover { background: var(--teal); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; }

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: var(--white); border-bottom: 1px solid var(--line); padding: 10px 20px 20px; display: none;
  }
  .nav.open { display: flex; }
  .nav a.nav-cta { margin-left: 0; text-align: center; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px; border-radius: 10px; font-weight: 700; text-decoration: none;
  border: 2px solid transparent; transition: transform .15s, background .15s; cursor: pointer; font-size: 1rem;
  font-family: var(--font);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--orange); color: var(--navy-deep); }
.btn-primary:hover { background: var(--orange-deep); color: var(--white); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: var(--white); }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--teal); }

/* Hero */
.hero {
  position: relative; color: var(--white); overflow: hidden;
  background: var(--navy-deep);
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, var(--navy-deep) 15%, rgba(8,31,39,.55) 60%, rgba(8,31,39,.2));
}
.hero .container { position: relative; z-index: 1; padding: 120px 0 130px; }
.hero h1 { color: var(--white); max-width: 15ch; }
.hero p.lead { font-size: 1.2rem; max-width: 56ch; color: #d7e3e6; }
.hero .eyebrow { color: var(--orange); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.page-hero { background: var(--navy); color: var(--white); padding: 84px 0 70px; position: relative; overflow: hidden; }
.page-hero h1 { color: var(--white); }
.page-hero p { color: #cfdde1; max-width: 62ch; font-size: 1.1rem; }
.page-hero .eyebrow { color: var(--orange); }
.page-hero::before {
  content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px;
  border: 46px solid rgba(238,154,92,.14); border-radius: 50%;
}

/* Stats */
.stats { background: var(--orange); }
.stats .container { display: grid; grid-template-columns: repeat(3, 1fr); }
.stat { padding: 28px 20px; text-align: center; color: var(--navy-deep); }
.stat strong { display: block; font-family: var(--display); font-size: 2.4rem; line-height: 1; }
.stat span { font-size: .9rem; font-weight: 600; }
@media (max-width: 640px) { .stats .container { grid-template-columns: 1fr; } .stat { padding: 16px; } }

/* Sections */
section.block { padding: 96px 0; }
section.alt { background: var(--paper); }
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.split.reverse > :first-child { order: 2; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 36px; } .split.reverse > :first-child { order: 0; } }

.photo-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.photo-stack img { border-radius: var(--radius); width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; }
.photo-stack img:first-child { margin-top: 40px; }
.photo { border-radius: var(--radius); width: 100%; object-fit: cover; aspect-ratio: 4/3; box-shadow: 0 20px 40px -24px rgba(8,31,39,.5); }

.checklist { list-style: none; padding: 0; margin: 0 0 1.2em; }
.checklist li { position: relative; padding: 8px 0 8px 32px; border-bottom: 1px solid var(--line); }
.checklist li:last-child { border-bottom: 0; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 15px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--orange); box-shadow: inset 0 0 0 4px #fde6d4;
}

.section-head { max-width: 720px; margin-bottom: 48px; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: 0 18px 40px -26px rgba(8,31,39,.45); transform: translateY(-2px); }
.card .num { font-family: var(--display); color: var(--orange-deep); font-size: 1.1rem; font-weight: 700; }
.card h3 { margin-top: 6px; font-size: 1.35rem; }
.card p { color: var(--muted); font-size: .95rem; margin: 0; }

/* Services detail */
.service { padding: 80px 0; border-bottom: 1px solid var(--line); }
.service:nth-of-type(even) { background: var(--paper); }
.service .tag { font-family: var(--display); font-size: 1rem; font-weight: 700; color: var(--orange-deep); letter-spacing: .1em; }
.service p { color: #34444b; }
.service-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.service-nav a {
  color: var(--white); text-decoration: none; font-size: .88rem; font-weight: 600;
  border: 1px solid rgba(255,255,255,.3); padding: 7px 13px; border-radius: 999px;
}
.service-nav a:hover { background: rgba(255,255,255,.1); }
.standards { background: var(--white); border-left: 4px solid var(--orange); border-radius: 0 var(--radius) var(--radius) 0; padding: 18px 22px; margin: 1.2em 0; }
.service:nth-of-type(odd) .standards { background: var(--paper); }
.standards ul { margin: 0; padding-left: 18px; }
.standards li { padding: 3px 0; }
.cert-banner { background: var(--teal); color: var(--white); padding: 26px 0; }
.cert-banner p { margin: 0; font-weight: 500; }
.cert-banner strong { color: var(--orange); }

/* Equipment */
.eq-group { margin-bottom: 64px; }
.eq-group > h2 { display: flex; align-items: center; gap: 14px; }
.eq-group > h2::after { content: ""; flex: 1; height: 2px; background: var(--line); }
.eq-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 22px; }
.eq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.eq-item figure { margin: 0; background: #fff; aspect-ratio: 1/1; display: grid; place-items: center; padding: 18px; border-bottom: 1px solid var(--line); }
.eq-item figure img { max-height: 100%; object-fit: contain; }
.eq-item .body { padding: 18px 20px 22px; }
.eq-item h3 { font-size: 1.3rem; margin-bottom: .3em; }
.eq-item p { color: var(--muted); font-size: .92rem; margin: 0; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card { background: var(--navy); color: var(--white); border-radius: var(--radius); padding: 34px; }
.contact-card h2 { color: var(--white); font-size: 2rem; }
.contact-card dl { margin: 0 0 24px; }
.contact-card dt { font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--orange); font-weight: 700; margin-top: 18px; }
.contact-card dd { margin: 4px 0 0; font-size: 1.08rem; }
.contact-card a { color: var(--white); }
.btn-whatsapp { background: #25d366; color: #06371a; }
.btn-whatsapp:hover { background: #1fb457; color: #fff; }

form.contact-form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; color: var(--navy); }
.field label span { color: var(--orange-deep); }
.field input, .field textarea {
  width: 100%; padding: 13px 14px; border: 1px solid #c9d3d6; border-radius: 9px; font: inherit; font-size: 1rem; background: #fbfcfc;
}
.field input:focus, .field textarea:focus { outline: 3px solid rgba(238,154,92,.35); border-color: var(--orange-deep); background: #fff; }
.field textarea { min-height: 150px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.hidden { display: none; }

/* CTA band */
.cta-band { background: var(--navy); color: var(--white); padding: 72px 0; }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { color: var(--white); margin: 0 0 .2em; }
.cta-band p { color: #cfdde1; margin: 0; }

/* Footer */
.site-footer { background: var(--white); color: var(--muted); padding: 48px 0 30px; font-size: .92rem; border-top: 1px solid var(--line); }
.site-footer .container { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
.site-footer h4 { color: var(--navy); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 12px; }
.site-footer a { color: var(--teal); text-decoration: none; }
.site-footer a:hover { color: var(--orange); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { padding: 3px 0; }
.footer-logo { display: inline-block; margin-bottom: 14px; }
.footer-logo img { height: 38px; width: auto; }
.footer-bottom { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 22px; margin-top: 10px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
@media (max-width: 760px) { .site-footer .container { grid-template-columns: 1fr; } }
