/* ===== VARIABLES ===== */
:root {
  --navy: #2F4156;
  --sky: #C8D9E6;
  --white: #FFFFFF;
  --beige: #F5EFEB;
  --teal: #567C8D;
  --navy-dark: #1e2d3d;
  --teal-light: #6d96aa;
  --shadow-sm: 0 2px 8px rgba(47, 65, 86, 0.08);
  --shadow-md: 0 6px 24px rgba(47, 65, 86, 0.13);
  --shadow-lg: 0 16px 48px rgba(47, 65, 86, 0.18);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', 'Segoe UI', sans-serif;
  background: var(--beige);
  color: var(--navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  line-height: 1.2;
  color: var(--navy);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--teal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-teal {
  background: var(--teal);
  color: var(--white);
}
.btn-teal:hover {
  background: var(--navy);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sky {
  background: var(--sky);
  color: var(--navy);
  font-weight: 700;
}
.btn-sky:hover {
  background: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===== SECTION HEADER ===== */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--navy);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--teal);
  max-width: 560px;
}

/* ===== DIVIDER ===== */
.divider {
  width: 48px;
  height: 3px;
  background: var(--teal);
  border-radius: 2px;
  margin: 16px 0 24px;
}

/* ===== PAGE HEADER (internas) ===== */
.page-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--teal) 100%);
  color: var(--white);
  padding: 72px 0 56px;
  text-align: center;
}

.page-header .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--sky);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 24px;
  opacity: 0.85;
  transition: var(--transition);
}
.page-header .back-link:hover { opacity: 1; transform: translateX(-3px); }

.page-header h1 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.page-header p {
  color: var(--sky);
  font-size: 1.1rem;
  max-width: 540px;
  margin: 0 auto;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--navy);
  color: var(--sky);
  text-align: center;
  padding: 32px;
  font-size: 0.88rem;
  margin-top: 80px;
}
.site-footer span { color: var(--white); font-weight: 600; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease both; }
.fade-up-2 { animation: fadeUp 0.6s 0.15s ease both; }
.fade-up-3 { animation: fadeUp 0.6s 0.3s ease both; }
.fade-up-4 { animation: fadeUp 0.6s 0.45s ease both; }