/* ===============================
   TOP QUALITY - MAIN CSS
   Paleta: Azul oscuro, blanco, gris, dorado
================================ */

:root {
  --navy: #0D1B3E;
  --navy-light: #1A2D5A;
  --navy-mid: #142247;
  --gold: #C9A84C;
  --gold-light: #E8C87A;
  --gold-dark: #A8873A;
  --white: #FFFFFF;
  --off-white: #F7F8FC;
  --gray-50: #F0F2F8;
  --gray-100: #E1E5F0;
  --gray-300: #A8B2CC;
  --gray-500: #6B7A99;
  --gray-700: #3D4A66;
  --text-primary: #0D1B3E;
  --text-secondary: #4A5568;
  --text-light: #8896B3;
  --border-light: #E1E5F0;
  --shadow-sm: 0 2px 8px rgba(13,27,62,0.06);
  --shadow-md: 0 4px 20px rgba(13,27,62,0.1);
  --shadow-lg: 0 8px 40px rgba(13,27,62,0.15);
  --shadow-gold: 0 4px 20px rgba(201,168,76,0.3);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --font-heading: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { color: var(--text-secondary); line-height: 1.7; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* CONTAINER */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* BUTTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: 2px solid var(--gold);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.3px;
}
.btn-primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: 2px solid var(--navy);
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--navy-light);
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn-primary-light {
  display: inline-flex;
  align-items: center;
  background: var(--gold);
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: 2px solid var(--gold);
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary-light:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201,168,76,0.4);
}

.btn-secondary-light {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: 2px solid rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary-light:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* SECTION TAGS & HEADERS */
.section-tag {
  display: inline-block;
  background: rgba(201,168,76,0.12);
  color: var(--gold-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(201,168,76,0.25);
  margin-bottom: 16px;
}
.section-title {
  color: var(--navy);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
}
.section-header.center {
  text-align: center;
  margin-bottom: 60px;
}
.section-header.center .section-desc {
  margin: 0 auto;
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  padding: 20px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(13,27,62,0.97);
  backdrop-filter: blur(12px);
  padding: 14px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
}
.nav-logo {
  height: 52px;
  width: auto;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.nav-cta-btn {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--navy) !important;
  background: var(--gold);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  margin-left: 10px;
  transition: var(--transition);
}
.nav-cta-btn:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* PAGE HERO (for inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,168,76,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.page-hero-content {
  position: relative;
  z-index: 1;
}
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 560px; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--gold); }
.breadcrumb-sep { color: rgba(255,255,255,0.3); }

/* FOOTER */
.footer {
  background: var(--navy);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-logo {
  height: 56px;
  width: auto;
  margin-bottom: 16px;
  filter: brightness(1.1);
}
.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 280px;
}
.footer-slogan {
  color: var(--gold) !important;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 0.85rem !important;
  margin-top: 8px;
}
.footer h4 {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.footer ul li { margin-bottom: 10px; }
.footer ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer ul li a:hover { color: var(--gold); }
.footer-contact-info {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.btn-footer-cta {
  color: var(--gold);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--gold-dark);
  padding-bottom: 2px;
  transition: var(--transition);
}
.btn-footer-cta:hover { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  color: rgba(255,255,255,0.4);
  font-size: 0.82rem;
}

/* FORM ELEMENTS */
.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--navy);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--white);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--navy-light);
  box-shadow: 0 0 0 3px rgba(26,45,90,0.08);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-error {
  color: #E53E3E;
  font-size: 0.82rem;
  margin-top: 4px;
  display: none;
}
.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: #E53E3E;
}
.form-group.has-error .form-error { display: block; }

/* ALERTS */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert-success {
  background: #F0FFF4;
  border: 1px solid #9AE6B4;
  color: #276749;
}
.alert-error {
  background: #FFF5F5;
  border: 1px solid #FEB2B2;
  color: #C53030;
}
.alert-info {
  background: rgba(13,27,62,0.05);
  border: 1px solid rgba(13,27,62,0.15);
  color: var(--navy);
}

/* LOADING SPINNER */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* UTILITY */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ANIMATIONS */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .nav-menu {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-link { font-size: 1.2rem; padding: 12px 24px; }
  .nav-cta-btn { font-size: 1rem; padding: 12px 28px; margin-left: 0; }
  .nav-toggle { display: flex; z-index: 1001; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}