:root {
  --navy: #0b1f3f;
  --navy-2: #122b57;
  --blue: #1e4f9e;
  --red: #e4232f;
  --red-2: #ff3b3f;
  --gold: #ffd200;
  --amber: #ff7a1a;
  --ink: #16304f;
  --muted: #5b6f8c;
  --bg: #ffffff;
  --bg-soft: #f3f6fb;
  --line: #e3e9f2;
  --radius: 18px;
  --shadow: 0 18px 45px -18px rgba(11, 31, 63, 0.35);
  --grad: linear-gradient(135deg, var(--gold), var(--amber));
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.55;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 31, 63, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s;
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 72px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 46px; height: 46px; filter: drop-shadow(0 4px 10px rgba(0,0,0,0.3)); }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; color: #fff; }
.brand-text strong { font-size: 15px; letter-spacing: 0.5px; }
.brand-text strong em { font-style: normal; color: var(--gold); }
.brand-text small { font-size: 10px; letter-spacing: 2.5px; text-transform: uppercase; color: #9fb1cc; }

.main-nav { display: flex; gap: 30px; margin-left: auto; }
.main-nav a {
  color: #d9e2f0; font-size: 14.5px; font-weight: 600;
  padding: 6px 0; border-bottom: 2px solid transparent; transition: 0.2s;
}
.main-nav a:hover { color: #fff; border-color: var(--gold); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.phone-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--gold); font-weight: 700; font-size: 14px;
}
.phone-link:hover { color: #fff; }

.menu-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; flex-direction: column; justify-content: center; gap: 5px; align-items: center; }
.menu-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: 0.3s; }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; padding: 120px 0 60px; color: #fff; overflow: hidden; }
.hero-image { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.04); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(11,31,63,0.94) 20%, rgba(11,31,63,0.6) 60%, rgba(228,35,47,0.35) 100%); }
.hero-content { position: relative; max-width: 720px; z-index: 2; }
.hero-eyebrow { display: inline-block; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; font-weight: 700; color: var(--gold); background: rgba(255,210,0,0.12); border: 1px solid rgba(255,210,0,0.35); padding: 6px 14px; border-radius: 30px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(34px, 5.4vw, 60px); line-height: 1.08; font-weight: 800; margin-bottom: 18px; }
.hl { color: var(--gold); }
.hero p { font-size: clamp(16px, 2vw, 19px); color: #dfe7f4; max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 700; font-size: 15px; padding: 14px 26px; border-radius: 12px; transition: 0.2s; border: 2px solid transparent; }
.btn-primary { background: var(--grad); color: var(--navy); box-shadow: 0 10px 25px -8px rgba(255,210,0,0.6); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.06); }
.btn-ghost:hover { background: rgba(255,255,255,0.14); }
.btn-block { width: 100%; }

.hero-stats { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 48px; border-top: 1px solid rgba(255,255,255,0.18); padding-top: 30px; }
.stat strong { display: block; font-size: 30px; color: var(--gold); font-weight: 800; }
.stat span { font-size: 13px; color: #c6d3e6; }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.nosotros { background: var(--bg); }
.servicios { background: var(--bg-soft); }
.sedes { background: var(--bg); }
.contacto { background: var(--bg-soft); }

.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head .tag { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--red); background: rgba(228,35,47,0.08); padding: 6px 16px; border-radius: 30px; margin-bottom: 16px; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; color: var(--navy); margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 16px; }

/* ---------- Nosotros ---------- */
.nosotros-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 46px; align-items: center; }
.nosotros-visual { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.nosotros-visual .fade-img { width: 100%; height: 430px; object-fit: cover; min-height: 430px; }
.badge-card {
  position: absolute; bottom: 18px; left: 18px; display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,0.96); padding: 12px 18px; border-radius: 14px; box-shadow: var(--shadow); color: var(--navy);
}
.badge-card svg { color: var(--red); }
.badge-card strong { display: block; font-size: 14px; }
.badge-card span { font-size: 12px; color: var(--muted); }

.nosotros-features { display: grid; gap: 26px; }
.feature { display: flex; gap: 18px; align-items: flex-start; }
.feature svg { flex: 0 0 auto; width: 34px; height: 34px; color: var(--red); margin-top: 3px; }
.feature h3 { font-size: 19px; color: var(--navy); margin-bottom: 4px; }
.feature p { color: var(--muted); font-size: 15px; }

/* ---------- Servicios ---------- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; box-shadow: 0 6px 24px -14px rgba(11,31,63,0.15); transition: 0.25s; position: relative; overflow: hidden;
}
.service-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--grad); opacity: 0; transition: 0.25s; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-card:hover::before { opacity: 1; }
.service-icon { font-size: 34px; }
.service-card h3 { font-size: 19px; color: var(--navy); margin: 14px 0 8px; }
.service-card p { color: var(--muted); font-size: 14.5px; margin-bottom: 16px; }
.service-card a { color: var(--red); font-weight: 700; font-size: 14px; }
.service-card a:hover { color: var(--navy); }

/* ---------- Sedes ---------- */
.sedes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 22px; }
.sede-card {
  border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--line);
  box-shadow: 0 6px 24px -14px rgba(11,31,63,0.15); transition: 0.25s;
}
.sede-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.sede-visual { height: 190px; background-size: cover; background-position: center; position: relative; }
.sede-visual .sede-pin {
  position: absolute; bottom: 12px; left: 12px; background: rgba(11,31,63,0.92); color: var(--gold);
  padding: 6px 12px; border-radius: 10px; font-size: 12px; font-weight: 700;
}
.sede-body { padding: 20px; }
.sede-body h3 { color: var(--navy); font-size: 18px; margin-bottom: 6px; }
.sede-body p { color: var(--muted); font-size: 14px; margin-bottom: 4px; }
.sede-body a { color: var(--red); font-weight: 700; font-size: 13.5px; }

/* ---------- Registro ---------- */
.registro { padding: 70px 0; }
.registro-card {
  position: relative; display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 30px; align-items: center;
  background: linear-gradient(135deg, var(--navy), var(--navy-2)); border-radius: 22px; padding: 46px; color: #fff; overflow: hidden;
}
.registro-card::after { content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(255,210,0,0.35), transparent 70%); top: -100px; right: -80px; }
.registro-content { position: relative; z-index: 2; }
.registro-content .tag { color: var(--gold); background: rgba(255,210,0,0.15); border-color: rgba(255,210,0,0.3); }
.registro-content h2 { font-size: clamp(24px, 3vw, 32px); margin: 12px 0 12px; }
.registro-content p { color: #c6d3e6; font-size: 15px; margin-bottom: 20px; }
.registro-list { list-style: none; display: grid; gap: 10px; margin-bottom: 24px; }
.registro-list li { font-size: 14.5px; color: #dfe7f4; }
.registro-list strong { color: var(--gold); }

.registro-flag { position: relative; width: 150px; height: 190px; transform: rotate(-4deg); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); }
.stripe { position: absolute; left: 0; right: 0; top: 12px; height: 12px; background: var(--navy-2); border: 2px solid var(--gold); border-width: 2px 0; }
.flag-yellow { position: absolute; inset: 24px 8px; background: linear-gradient(180deg, var(--gold), var(--amber)); }
.stripe.red { top: auto; bottom: 12px; height: 12px; border-width: 2px 0 0; border-color: var(--gold); background: var(--red); }

.registro-visual { position: relative; z-index: 2; display: flex; justify-content: center; margin: auto; height: 0; }

/* ---------- Contacto ---------- */
.contacto-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; align-items: start; }
.contacto-info { display: grid; gap: 22px; }
.c-block h3 { color: var(--navy); font-size: 17px; margin-bottom: 6px; }
.c-block p { color: var(--muted); font-size: 15px; }
.c-block a { color: var(--red); font-weight: 600; }
.c-block a:hover { text-decoration: underline; }

.redes h3 { color: var(--navy); font-size: 17px; margin-bottom: 12px; }
.social-row { display: flex; gap: 12px; flex-wrap: wrap; }
.social {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--navy); color: #fff; transition: 0.2s;
}
.social:hover { background: var(--grad); color: var(--navy); transform: translateY(-3px); }
.social svg { width: 22px; height: 22px; }

.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.contact-form h3 { color: var(--navy); font-size: 21px; margin-bottom: 20px; }
.field { margin-bottom: 14px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 11px;
  font-family: inherit; font-size: 15px; color: var(--ink); background: #fbfcfe; transition: 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px rgba(30,79,158,0.12); }
.form-note { margin-top: 14px; font-size: 14px; font-weight: 600; text-align: center; }
.form-note.ok { color: #16a34a; }
.form-note.err { color: var(--red); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #c6d3e6; padding: 56px 0 24px; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1.5fr; gap: 40px; padding-bottom: 34px; }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand p { margin-top: 18px; line-height: 1.7; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-links h4 { color: #fff; font-size: 14px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }
.footer-links a { display: block; color: #aebdd6; font-size: 14px; margin-bottom: 9px; }
.footer-links a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 22px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: #8fa3bf; }

/* ---------- Loading / fade ---------- */
.fade-in { animation: fadeUp 0.7s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.img-ph { background: linear-gradient(120deg, var(--navy-2), var(--blue)); display: grid; place-items: center; color: #9fb1cc; font-size: 13px; }
.sede-loading { display: flex; flex-direction: column; align-items: center; gap: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nosotros-grid, .contacto-grid { grid-template-columns: 1fr; }
  .registro-card { grid-template-columns: 1fr; padding: 38px 30px; }
  .registro-flag { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 72px; right: 0; left: 0; flex-direction: column; gap: 0;
    background: var(--navy); padding: 10px 24px; transform: translateY(-130%); transition: 0.3s;
    box-shadow: 0 20px 30px -15px rgba(0,0,0,0.5); margin-left: 0;
  }
  .main-nav.open { transform: none; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .phone-link span { display: none; }
}