:root {
  --color-primary: #0067b8;
  --color-primary-dark: #004f8f;
  --color-text: #1a1a1a;
  --color-text-muted: #5a5a5a;
  --color-bg: #ffffff;
  --color-bg-soft: #f7f9fb;
  --color-border: #e1e1e1;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

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

h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  text-align: center;
  margin-bottom: 32px;
}

h3 {
  font-size: 1.15rem;
}

p {
  color: var(--color-text-muted);
  margin: 0 0 16px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-large {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-primary);
}

.header-inner nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  font-weight: 600;
  color: var(--color-text);
}

/* Hero */
.hero {
  padding: 80px 0 64px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 100%);
}

.hero-subtitle {
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 1.1rem;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Oposiciones */
.oposiciones {
  padding: 64px 0;
}

.oposiciones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.oposicion-card {
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-soft);
}

.oposicion-card p {
  margin-bottom: 0;
}

/* Features */
.features {
  padding: 64px 0;
  background: var(--color-bg-soft);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.feature p {
  margin-bottom: 0;
}

/* Final CTA */
.final-cta {
  padding: 72px 0;
  text-align: center;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-inner nav {
  display: flex;
  gap: 16px;
}