/* ===== CALTEC Technologies & Engineering ===== */
:root{
  --navy:#16222F;
  --navy-dk:#101A24;
  --steel:#3E6485;
  --steel-2:#6B8CA8;
  --steel-soft:#EDF1F5;
  --body:#4A5561;
  --muted:#77828F;
  --bg:#FFFFFF;
  --surface:#F5F6F8;
  --line:#E0E4E9;
  --shadow:0 3px 14px rgba(22,34,47,.09);
  --head:'Montserrat',-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --text:'Open Sans',-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);font-family:var(--text);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--head);color:var(--navy);margin:0;line-height:1.2;letter-spacing:-.01em}
p{margin:0 0 16px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.bar{display:block;width:48px;height:3px;background:var(--steel);border-radius:2px;margin-bottom:22px}
.eyebrow{display:block;font-family:var(--head);font-weight:700;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.lead{font-size:17px}
.note{margin-top:28px;font-size:14px;color:var(--muted);font-style:italic}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none}
.logo img{height:38px;width:auto}
.logo-txt b{display:block;font-family:var(--head);font-weight:800;font-size:18.5px;color:var(--navy);letter-spacing:.02em;line-height:1}
.logo-txt i{display:block;font-style:normal;font-size:8.5px;letter-spacing:.17em;color:var(--muted);font-weight:700;margin-top:3px}
.header-in nav{margin-left:auto}
.nav-list{list-style:none;display:flex;gap:28px;margin:0;padding:0}
.nav-list a{text-decoration:none;font-size:14.5px;font-weight:600;color:var(--body);padding:6px 0;border-bottom:2px solid transparent}
.nav-list a:hover{color:var(--navy)}
.nav-list a.is-active{color:var(--navy);border-bottom-color:var(--steel)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:6px;padding:8px 10px;cursor:pointer;color:var(--navy)}
.nav-toggle svg{width:20px;height:20px}

/* ---------- hero ---------- */
.hero{background-size:cover;background-position:center right;position:relative}
.hero-in{padding:120px 0 130px;max-width:660px}
.hero h1{font-size:clamp(32px,4.6vw,54px);font-weight:800;max-width:14ch}
.hero h1 em{font-style:normal;color:var(--steel);display:block}
.hero p{max-width:46ch;font-size:17.5px;margin-top:22px}
.feature-strip{background:rgba(255,255,255,.96);border-top:1px solid var(--line)}
.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 24px}
.feature{display:flex;align-items:center;gap:12px}
.feature svg{width:26px;height:26px;color:var(--steel);flex-shrink:0}
.feature span{font-family:var(--head);font-weight:700;font-size:13px;color:var(--navy);line-height:1.3}

/* ---------- page hero (interiores) ---------- */
.page-hero{background-size:cover;background-position:center;padding:88px 0;color:#fff}
.page-hero h1{color:#fff;font-size:clamp(30px,4vw,44px);font-weight:800}
.page-hero p{margin:14px 0 0;color:#D2DCE6;font-size:17px;max-width:52ch}

/* ---------- secciones ---------- */
.section{padding:86px 0}
.section-alt{background:var(--surface)}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;margin-bottom:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;margin-bottom:18px}
.shot{border-radius:8px;box-shadow:var(--shadow);width:100%;max-height:440px;object-fit:cover}
.link-more{display:inline-block;margin-top:6px;font-family:var(--head);font-weight:700;font-size:14.5px;color:var(--steel);text-decoration:none;border-bottom:2px solid var(--steel);padding-bottom:3px}
.link-more:hover{color:var(--navy);border-color:var(--navy)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:56px}
.stats div{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px 20px}
.stats b{display:block;font-family:var(--head);font-size:30px;font-weight:800;color:var(--navy);line-height:1.1;margin-bottom:6px}
.stats span{font-size:13.5px;color:var(--muted);font-weight:600}

/* ---------- misión / visión ---------- */
.mv{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.mv-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--steel);border-radius:8px;padding:30px 32px;box-shadow:var(--shadow)}
.mv-ic{width:46px;height:46px;border-radius:50%;background:var(--steel-soft);display:grid;place-items:center;margin-bottom:16px}
.mv-ic svg{width:22px;height:22px;color:var(--steel)}
.mv-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.mv-card p{margin:0;font-size:15px}

/* ---------- pasos ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step{display:flex;gap:18px;align-items:flex-start}
.step-num{font-family:var(--head);font-size:30px;font-weight:800;color:var(--steel-2);line-height:1;flex-shrink:0}
.step h3{font-size:17px;font-weight:700;margin-bottom:7px}
.step p{margin:0;font-size:14.5px}
.quote{margin-top:44px;padding:18px 24px;border-left:3px solid var(--steel);background:#fff;border-radius:0 8px 8px 0;font-style:italic;font-weight:600;color:var(--navy);box-shadow:var(--shadow)}

/* ---------- procesos ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.pcard img{width:100%;height:210px;object-fit:cover}
.pcard-b{padding:24px 26px 28px;border-left:4px solid var(--steel);flex:1}
.pcard-b h3{font-size:19px;font-weight:700;margin-bottom:6px}
.pcard-sub{font-family:var(--head);font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.pcard-b ul{margin:0;padding:0;list-style:none}
.pcard-b li{position:relative;padding-left:17px;font-size:14.5px;margin-bottom:6px}
.pcard-b li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--steel-2)}

/* ---------- sectores ---------- */
.sector-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.sector{background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px 24px;text-align:center}
.sector svg{width:30px;height:30px;color:var(--steel);margin:0 auto 14px}
.sector h3{font-size:15px;font-weight:700;margin-bottom:6px}
.sector p{margin:0;font-size:13.5px;color:var(--muted)}

/* ---------- contacto ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:38px 36px;box-shadow:var(--shadow)}
.contact-logo{width:210px;height:auto;margin-bottom:26px}
.contact-card h3{font-size:27px;font-weight:800;margin-bottom:26px}
.contact-rows{display:grid}
.crow{display:flex;gap:15px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.crow:last-child{border-bottom:none}
.crow-ic{width:42px;height:42px;border-radius:50%;background:var(--steel-soft);display:grid;place-items:center;flex-shrink:0}
.crow-ic svg{width:18px;height:18px;color:var(--steel)}
.crow small{display:block;font-family:var(--head);font-size:10.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
.crow a,.crow span{color:var(--navy);font-size:15.5px;font-weight:600;text-decoration:none;word-break:break-word}
.crow a:hover{text-decoration:underline}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#94A1AE;padding:56px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px;padding-bottom:40px}
.footer-logo{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-logo img{height:38px;width:auto}
.footer-logo b{display:block;font-family:var(--head);font-weight:800;font-size:18px;color:#fff;letter-spacing:.02em;line-height:1}
.footer-logo i{display:block;font-style:normal;font-size:8.5px;letter-spacing:.17em;color:#7E8C9A;font-weight:700;margin-top:3px}
.footer-brand p{margin:0;max-width:44ch;font-size:14px;line-height:1.7}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.04em}
.footer-nav{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-nav a{text-decoration:none}
.footer-nav a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;padding-bottom:26px;font-size:13px;color:#7E8C9A}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .nav-toggle{display:block}
  .header-in nav{margin-left:0}
  .nav-list{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 24px 18px;border-bottom:1px solid var(--line);margin:0}
  .nav-list.open{display:flex}
  .nav-list li{padding:10px 0;border-bottom:1px solid var(--line)}
  .nav-list li:last-child{border-bottom:none}
  .split,.contact-wrap,.mv{grid-template-columns:1fr;gap:34px}
  .steps,.feature-row{grid-template-columns:repeat(2,1fr);gap:22px}
  .pgrid,.sector-grid,.stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .hero-in{padding:80px 0 90px}
  .section{padding:62px 0}
  .page-hero{padding:64px 0}
}
@media(max-width:640px){
  .feature-row,.steps,.pgrid,.sector-grid,.stats{grid-template-columns:1fr}
  .contact-card{padding:28px 24px}
}