/* ESTRELLA HOLDING - Base Styles */
/* Color System */
:root {
  --black: #0B0B0B;
  --gold: #D4AF37;
  --white: #FFFFFF;
  --gray-100: #F5F6F7;
  --gray-300: #D5D7DA;
  --gray-600: #6B7280;
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
  --radius: 12px;
  --space-1: 6px; --space-2: 10px; --space-3: 14px; --space-4: 18px; --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 72px;
}

/* Reset & Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
*:focus-visible { outline: 3px solid rgba(212,175,55,0.6); outline-offset: 2px; border-radius: 6px; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  margin: 0 0 0.6rem 0;
  line-height: 1.2;
}
p { margin: 0 0 1rem 0; }
.lead { font-size: clamp(1.02rem, 1.3vw, 1.25rem); }
.section-title { margin-bottom: var(--space-3); position: relative; }
.section-title:after { content: ""; display: block; width: 56px; height: 3px; background: var(--gold); margin-top: 8px; border-radius: 3px; }

/* Layout Helpers */
.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}
.section {
  padding: var(--space-8) 0;
}
.muted { color: var(--gray-600); }
.divider { height: 1px; background: var(--gray-300); width: 100%; margin: var(--space-6) 0; opacity: .7; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--gold);
  color: var(--black);
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  border: 2px solid var(--gold);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn.outline { background: transparent; color: var(--gold); }
.btn.outline:hover { background: var(--gold); color: var(--black); }
.btn.ghost { background: transparent; border-color: rgba(255,255,255,0.5); color: var(--white); }
.btn.ghost:hover { background: rgba(255,255,255,0.08); }
.btn.disabled { opacity: .6; pointer-events: none; }

.site-nav a .pill { margin-left: 6px; padding: 3px 8px; font-weight: 700; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,11,11,0.9);
  backdrop-filter: saturate(140%) blur(8px);
  color: var(--white);
  border-bottom: 1px solid rgba(212,175,55,0.15);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--white); }
.brand .logo { height: 36px; width: auto; }
.brand .brand-text { font-weight: 800; letter-spacing: .5px; }

.nav-toggle { display: none; background: transparent; border: none; cursor: pointer; padding: 6px; border-radius: 8px; }
.nav-toggle .bar { display: block; width: 24px; height: 2px; background: var(--white); margin: 5px 0; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle.open .bar:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .bar:nth-child(2){ opacity: 0; }
.nav-toggle.open .bar:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.site-nav { display: flex; gap: 20px; align-items: center; }
.site-nav a { color: var(--white); opacity: .9; padding: 8px 6px; border-radius: 6px; transition: background .2s ease, opacity .2s ease, color .2s ease; }
.site-nav a:hover { background: rgba(212,175,55,0.1); opacity: 1; }
.site-nav a.active { color: var(--gold); opacity: 1; }

/* Hero */
.hero {
  background: linear-gradient(180deg, #0B0B0B 0%, #121212 100%);
  color: var(--white);
  padding: 120px 0 80px;
}
.hero .lead { color: #EDEDED; max-width: 780px; }
.hero .cta { margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap; }

/* Grids */
.grid { display: grid; gap: 24px; }
.grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }

/* Cards */
.card {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--white);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: rgba(212,175,55,0.6); }
.card h3 { margin-bottom: 6px; }

/* Footer */
.site-footer { background: #0B0B0B; color: var(--white); border-top: 1px solid rgba(212,175,55,0.2); }
.site-footer .grid { grid-template-columns: 1.2fr .8fr 1fr; }
.footer-brand img { height: 40px; margin-bottom: 10px; }
.site-footer a { color: var(--white); opacity: .9; }
.site-footer a:hover { color: var(--gold); opacity: 1; }
.site-footer h4 { color: var(--gold); margin-bottom: 10px; }
.site-footer .legal { border-top: 1px solid rgba(255,255,255,0.1); padding: 16px 0; margin-top: 8px; color: #DADADA; font-size: .95rem; }

/* Forms */
form { width: 100%; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-weight: 600; }
.field input, .field textarea {
  border: 1px solid var(--gray-300);
  border-radius: 10px;
  padding: 12px 14px; font: inherit;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,175,55,0.25); }
.error { color: #B00020; font-size: .9rem; display: none; }
.field.invalid .error { display: block; }
.success { color: #0F8B31; font-weight: 600; }

/* Map */
.map-embed { border: 0; width: 100%; height: 350px; border-radius: 12px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Utilities */
.pill { display: inline-block; padding: 6px 10px; border-radius: 999px; background: rgba(212,175,55,0.12); color: var(--gold); font-weight: 700; font-size: .85rem; }
.kpi { font-weight: 800; color: var(--black); }
.skip-link { position: absolute; left: -9999px; top:auto; width:1px; height:1px; overflow:hidden; }
.skip-link:focus { position: fixed; left: 16px; top: 16px; width: auto; height: auto; padding: 10px 12px; background: var(--gold); color: var(--black); z-index: 100; border-radius: 8px; }

/* Back to top */
#backToTop { position: fixed; right: 22px; bottom: 22px; width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--gold); color: var(--black); border: 2px solid var(--gold); box-shadow: var(--shadow); opacity: 0; transform: translateY(10px); pointer-events: none; transition: opacity .2s ease, transform .2s ease, background .2s ease, color .2s ease; z-index: 60; }
#backToTop.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
#backToTop:hover { background: transparent; color: var(--gold); }

/* Responsive */
@media (max-width: 960px) {
  .grid.two { grid-template-columns: 1fr; }
  .grid.three { grid-template-columns: 1fr; }
  .site-footer .grid { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .site-nav { position: absolute; top: 64px; right: 4%; left: 4%; flex-direction: column; gap: 12px; background: rgba(11,11,11,0.98); border: 1px solid rgba(212,175,55,0.15); padding: 12px; border-radius: 12px; display: none; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: block; }
}