/* Petroseguridad — modern site styles */

:root{
  --navy: #0b2545;
  --navy-dark: #071a30;
  --navy-soft: #13355e;
  --accent: #f2711c;
  --accent-dark: #d65f0f;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #5b6472;
  --border: #e3e7ee;
  --radius: 14px;
  --shadow: 0 10px 30px -12px rgba(11,37,69,.25);
  --shadow-sm: 0 2px 10px rgba(11,37,69,.08);
  --maxw: 1120px;
  font-size: 16px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; }
.container{
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* Skip link */
.skip-link{
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #fff; padding: 10px 16px;
  z-index: 1000; border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; }

/* ===== Header / Nav ===== */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: var(--navy);
  box-shadow: var(--shadow-sm);
}
.nav-bar{
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  max-width: var(--maxw); margin: 0 auto;
}
.brand{
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
  color: #fff;
}
.brand img{
  height: 44px; width: auto;
  background: #fff; border-radius: 8px; padding: 4px;
}
.brand-text{ display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong{ font-size: 1.15rem; letter-spacing: .3px; }
.brand-text span{ font-size: .72rem; color: #cfe0f7; text-transform: uppercase; letter-spacing: 1px; }

.nav-toggle{
  display: none;
  background: transparent; border: 1px solid rgba(255,255,255,.35);
  border-radius: 8px; padding: 8px 10px; cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content: ""; display: block; width: 22px; height: 2px; background: #fff;
  position: relative; transition: .2s;
}
.nav-toggle span::before{ position: absolute; top: -7px; }
.nav-toggle span::after{ position: absolute; top: 7px; }

.nav-links{
  display: flex; gap: 4px; list-style: none; margin: 0; padding: 0;
}
.nav-links a{
  display: block;
  text-decoration: none; color: #e7edf6;
  padding: 10px 14px; border-radius: 8px;
  font-weight: 600; font-size: .95rem;
  transition: background .15s, color .15s;
}
.nav-links small{ display: block; font-weight: 400; font-size: .7rem; color: #a9bfdd; }
.nav-links a:hover{ background: rgba(255,255,255,.08); color: #fff; }
.nav-links a.active{ background: var(--accent); color: #fff; }
.nav-links a.active small{ color: #ffe3cc; }

@media (max-width: 860px){
  .nav-toggle{ display: inline-flex; align-items:center; justify-content:center; }
  .nav-links{
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--navy-dark);
    flex-direction: column; gap: 0;
    max-height: 0; overflow: hidden;
    transition: max-height .25s ease;
  }
  .nav-links.open{ max-height: 480px; }
  .nav-links a{ padding: 14px 20px; border-radius: 0; border-top: 1px solid rgba(255,255,255,.08); }
}

/* ===== Hero ===== */
.hero{
  position: relative;
  color: #fff;
  padding: 90px 0 60px;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.hero::before{
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(7,26,48,.92) 20%, rgba(11,37,69,.65) 60%, rgba(11,37,69,.35));
  z-index: -1;
}
.hero .eyebrow{
  display: inline-block; text-transform: uppercase; letter-spacing: 1.5px;
  font-size: .78rem; font-weight: 700; color: #ffd9b8;
  background: rgba(242,113,28,.18); border: 1px solid rgba(242,113,28,.5);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 16px;
}
.hero h1{ font-size: clamp(1.8rem, 4vw, 2.7rem); margin: 0 0 10px; }
.hero p.lead{ max-width: 640px; color: #dbe6f5; font-size: 1.05rem; }
.hero.small{ padding: 60px 0 40px; }

/* ===== Sections ===== */
.section{ padding: 56px 0; }
.section + .section{ border-top: 1px solid var(--border); }
.section-title{
  color: var(--navy); font-size: 1.6rem; margin: 0 0 8px;
}
.section-kicker{
  color: var(--accent-dark); text-transform: uppercase; letter-spacing: 1.2px;
  font-size: .78rem; font-weight: 700; margin: 0 0 6px;
}
.section-intro{ color: var(--muted); max-width: 760px; margin: 0 0 30px; }

.prose p{ margin: 0 0 14px; text-align: justify; }
.prose strong.accent{ color: var(--navy); }

/* Alternating content rows (image + text) */
.feature-row{
  display: grid; grid-template-columns: 1fr; gap: 26px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
@media (min-width: 760px){
  .feature-row{ grid-template-columns: 42% 1fr; }
  .feature-row.reverse{ grid-template-columns: 1fr 42%; }
  .feature-row.reverse .feature-media{ order: 2; }
}
.feature-media{ height: 100%; min-height: 220px; overflow: hidden; }
.feature-media img{ width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
.feature-body{ padding: 26px 28px 26px 4px; }
.feature-row.reverse .feature-body{ padding: 26px 4px 26px 28px; }
@media (min-width: 760px){
  .feature-body{ padding: 26px 28px; }
  .feature-row.reverse .feature-body{ padding: 26px 28px; }
}
.feature-body h3{ color: var(--navy); margin: 0 0 10px; font-size: 1.25rem; }

/* English / bilingual toggle */
details.lang-toggle{
  margin-top: 14px; border: 1px dashed var(--border); border-radius: 10px;
  background: #fbfcfe;
}
details.lang-toggle summary{
  cursor: pointer; list-style: none; padding: 10px 14px;
  font-weight: 700; color: var(--navy-soft); font-size: .85rem;
  display: flex; align-items: center; gap: 8px;
}
details.lang-toggle summary::before{
  content: "EN"; background: var(--navy); color: #fff; font-size: .65rem;
  padding: 2px 7px; border-radius: 5px; letter-spacing: .5px;
}
details.lang-toggle summary::-webkit-details-marker{ display: none; }
details.lang-toggle[open] summary{ border-bottom: 1px dashed var(--border); }
details.lang-toggle .lang-body{ padding: 4px 14px 16px; color: var(--muted); }
details.lang-toggle .lang-body p{ text-align: justify; }

/* Cards grid (products / services) */
.card-grid{
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}
.card{
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.card-media{ height: 170px; overflow: hidden; }
.card-media img{ width: 100%; height: 100%; object-fit: cover; }
.card-body{ padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.card-body h3{ color: var(--navy); font-size: 1.1rem; margin: 0 0 10px; }
.card-body p{ color: var(--muted); font-size: .93rem; text-align: justify; }

/* List blocks (courses etc.) */
.check-list{ list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.check-list li{
  padding-left: 26px; position: relative; font-size: .93rem; color: var(--text);
}
.check-list li::before{
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--accent); font-weight: 800;
}

.two-col{ display: grid; gap: 30px; grid-template-columns: 1fr; }
@media (min-width: 820px){ .two-col{ grid-template-columns: 1fr 1fr; } }

/* Stat / trust strip */
.trust-strip{
  background: var(--navy); color: #fff; padding: 26px 0;
}
.trust-strip .container{
  display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between;
}
.trust-strip p{ margin: 0; font-family: "Times New Roman", Times, serif; font-style: italic; font-size: 1.1rem; color: #ffe3cc; }

/* Contact */
.contact-grid{ display: grid; gap: 24px; grid-template-columns: 1fr; }
@media (min-width: 860px){ .contact-grid{ grid-template-columns: 1.1fr .9fr; } }
.contact-card{
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 26px 28px;
}
.contact-card h3{ color: var(--navy); margin: 0 0 6px; font-size: 1.15rem; }
.contact-card .role{ color: var(--accent-dark); font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 14px; }
.contact-meta{ list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.contact-meta li{ display: flex; gap: 10px; font-size: .93rem; }
.contact-meta li b{ min-width: 70px; color: var(--navy); }

/* Footer */
.site-footer{
  background: var(--navy-dark); color: #cdd9ea; padding: 34px 0 18px; margin-top: 40px;
}
.footer-grid{ display: grid; gap: 24px; grid-template-columns: 1fr; margin-bottom: 18px; }
@media (min-width: 760px){ .footer-grid{ grid-template-columns: 1.2fr 1fr 1fr; } }
.site-footer h4{ color: #fff; font-size: .95rem; margin: 0 0 10px; }
.site-footer p, .site-footer li{ font-size: .87rem; color: #b7c6de; }
.site-footer ul{ list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.site-footer a{ text-decoration: none; color: #b7c6de; }
.site-footer a:hover{ color: #fff; }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 14px;
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between;
  font-size: .78rem; color: #8ea1bd;
}
#pieFinal{ text-align: center; padding: 10px 0; font-family: Arial, sans-serif; font-size: 10px; background: var(--navy-dark); }
#pieFinal a{ color: #8ea1bd; text-decoration: none; }