/* ==========================================================================
   Internacional NS — hoja de estilos general
   ========================================================================== */

:root {
  --navy: #262a4f;
  --navy-dark: #181b34;
  --teal: #1c848a;
  --teal-dark: #146267;
  --silver: #cdcdcd;
  --white: #ffffff;
  --bg-alt: #f5f6f9;
  --text: #2e3140;
  --text-muted: #6b6f80;
  --border: #e3e5ec;

  --max-width: 1160px;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(38, 42, 79, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  color: var(--navy);
  line-height: 1.25;
  margin: 0 0 1rem;
}

p {
  margin: 0 0 1rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.6rem;
}

.section {
  padding: 72px 0;
}

.section--alt {
  background: var(--bg-alt);
}

.section-head {
  max-width: 640px;
  margin: 0 0 40px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}

.btn-outline-navy {
  border-color: var(--navy);
  color: var(--navy);
}

.btn-outline-navy:hover {
  background: var(--navy);
  color: var(--white);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-link img {
  height: 44px;
  width: auto;
}

.main-nav ul {
  display: flex;
  gap: 36px;
}

.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-actions .btn {
  padding: 10px 20px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  display: block;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: 100px 0 90px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  color: var(--white);
  font-size: 2.6rem;
  margin-bottom: 1.1rem;
}

.hero p.lead {
  color: var(--silver);
  font-size: 1.1rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 32px;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.hero-stats strong {
  display: block;
  font-size: 1.8rem;
  color: var(--white);
}

.hero-stats span {
  color: var(--silver);
  font-size: 0.85rem;
}

/* ---------- Page hero (páginas internas) ---------- */

.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: 64px 0;
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: var(--silver);
  max-width: 560px;
  margin-bottom: 0;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--silver);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--silver);
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

.breadcrumb a:hover {
  color: var(--white);
}

/* ---------- Grids / Cards ---------- */

.grid {
  display: grid;
  gap: 28px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(28, 132, 138, 0.12);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ---------- Franja "por qué elegirnos" ---------- */

.why-strip {
  background: var(--navy);
  color: var(--white);
}

.why-strip .grid {
  padding: 56px 0;
}

.why-item strong {
  display: block;
  font-size: 1.05rem;
  color: var(--white);
  margin-bottom: 6px;
}

.why-item p {
  color: var(--silver);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ---------- Split (imagen/texto) ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split-media {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.split-media img {
  max-height: 220px;
}

/* ---------- Valores / lista con check ---------- */

.check-list li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  align-items: flex-start;
}

.check-list li::before {
  content: "✓";
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(28, 132, 138, 0.14);
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- CTA final ---------- */

.cta-band {
  background: var(--teal);
  color: var(--white);
  text-align: center;
  padding: 64px 0;
}

.cta-band h2 {
  color: var(--white);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin: 0 auto 1.8rem;
}

/* ---------- Contacto ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}

.contact-card .card-icon {
  margin: 0 auto 18px;
}

.contact-card a {
  color: var(--teal);
  font-weight: 600;
  word-break: break-word;
}

.contact-card a:hover {
  text-decoration: underline;
}

.contact-info-list li {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
}

.contact-info-list strong {
  display: block;
  color: var(--navy);
}

.contact-info-list span {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-dark);
  color: var(--silver);
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid img {
  height: 40px;
  margin-bottom: 16px;
}

.footer-grid p {
  color: rgba(205, 205, 205, 0.8);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-grid h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.footer-grid a {
  display: block;
  color: rgba(205, 205, 205, 0.85);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.footer-grid a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 24px;
  font-size: 0.82rem;
  color: rgba(205, 205, 205, 0.6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .split {
    grid-template-columns: 1fr;
  }

  .split-media {
    order: -1;
  }

  .grid-3,
  .grid-4,
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 16px;
  }

  .header-actions .btn-outline-navy {
    display: none;
  }

  .hero {
    padding: 64px 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .why-strip .grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .grid-3,
  .grid-4,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 56px 0;
  }
}