/* ============================================================
   BASE / VARIABLES / RESET
============================================================ */
:root {
  --c-primary:      #1F4D36;
  --c-primary-600:  #1A412D;
  --c-primary-700:  #143324;
  --c-secondary:    #2F6B45;
  --c-dark:         #102A1D;
  --c-accent:       #B6C76A;
  --c-accent-600:   #A3B556;
  --c-cream:        #F5F3EC;
  --c-cream-2:      #EDEAE0;
  --c-white:        #FFFFFF;
  --c-text:         #1C2A22;
  --c-text-muted:   #647068;
  --c-border:       #DFE4DC;
  --c-border-light: #EDF0EA;
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(16,42,29,.06), 0 1px 2px rgba(16,42,29,.04);
  --shadow-md: 0 8px 24px rgba(16,42,29,.08);
  --shadow-lg: 0 20px 50px rgba(16,42,29,.14);
  --container: 1240px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: .3s;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--c-dark);
  margin: 0 0 .5em;
  letter-spacing: -0.02em;
}
p { margin: 0 0 1em; }
input, textarea, select { font: inherit; color: inherit; }

.container { width: 100%; max-width: var(--container); padding-inline: 24px; margin-inline: auto; }
.section { padding: 96px 0; }
.section--tight { padding: 72px 0; }
.section--cream { background: var(--c-cream); }
.section--dark  { background: var(--c-dark); color: #D9E1DA; }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head--left { margin-inline: 0; text-align: left; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-secondary);
  margin-bottom: 14px;
}
.eyebrow i { color: var(--c-accent-600); }

.section-title { font-size: clamp(28px, 3.4vw, 44px); margin: 0 0 16px; }
.section-subtitle { font-size: clamp(15px, 1.15vw, 17px); color: var(--c-text-muted); margin: 0; }
.section--dark .section-title { color: var(--c-white); }
.section--dark .section-subtitle { color: #B7C4BB; }

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  letter-spacing: .01em;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
  border: 1px solid transparent;
}
.btn i { font-size: 13px; transition: transform var(--dur) var(--ease); }
.btn:hover i.fa-arrow-right { transform: translateX(4px); }
.btn:focus-visible { outline: 3px solid rgba(182,199,106,.55); outline-offset: 2px; }

.btn-primary { background: var(--c-primary); color: var(--c-white); }
.btn-primary:hover { background: var(--c-primary-700); }

.btn-accent { background: var(--c-accent); color: var(--c-dark); }
.btn-accent:hover { background: var(--c-accent-600); }

.btn-outline {
  background: transparent;
  color: var(--c-primary);
  border-color: rgba(31,77,54,.25);
}
.btn-outline:hover {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
}

.btn-ghost {
  background: rgba(255,255,255,.08);
  color: var(--c-white);
  border-color: rgba(255,255,255,.35);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,.18); }

.btn-lg { padding: 17px 30px; font-size: 16px; }
.btn-block { width: 100%; }

/* ============================================================
   TOP BAR
============================================================ */
.topbar {
  background: var(--c-dark);
  color: #C7D2C9;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 42px;
}
.topbar-message { display: inline-flex; align-items: center; gap: 10px; margin: 0; }
.topbar-message i { color: var(--c-accent); font-size: 13px; }
.topbar-links { display: flex; gap: 22px; }
.topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #C7D2C9;
  transition: color var(--dur) var(--ease);
}
.topbar-link i { color: var(--c-accent); font-size: 12px; }
.topbar-link:hover { color: var(--c-white); }

/* ============================================================
   SITE HEADER
============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border-light);
  transition: box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 84px;
  transition: min-height var(--dur) var(--ease);
}
.site-header.is-scrolled .header-inner { min-height: 72px; }

/* BRAND */
.brand { display: inline-flex; align-items: center; gap: 14px; flex-shrink: 0; }

/* LOGO IMAGE (cuando existe logo.png) */
.brand-logo {
  display: block;
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  transition: height var(--dur) var(--ease);
}
.site-header.is-scrolled .brand-logo { height: 44px; }

/* FALLBACK — mark + texto */
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: var(--c-accent);
  font-size: 18px;
  box-shadow: var(--shadow-sm);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 17px;
  color: var(--c-dark);
  letter-spacing: -0.01em;
}
.brand-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-secondary);
}

/* NAV */
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-list a {
  display: inline-block;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  color: var(--c-text);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav-list a:hover { color: var(--c-primary); background: var(--c-cream); }
.nav-list a.is-active { color: var(--c-primary); }
.nav-list a.is-active::after {
  content: "";
  display: block;
  width: 22px; height: 3px;
  border-radius: 999px;
  background: var(--c-accent);
  margin: 6px auto -6px;
}

.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header-cta { padding: 12px 20px; font-size: 14px; }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  background: var(--c-white);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: background-color var(--dur) var(--ease);
}
.menu-toggle:hover { background: var(--c-cream); }
.menu-bar {
  display: block;
  width: 20px; height: 2px;
  border-radius: 2px;
  background: var(--c-dark);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
body.nav-open .menu-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .menu-bar:nth-child(2) { opacity: 0; }
body.nav-open .menu-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   MOBILE NAV
============================================================ */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
}
.mobile-nav-panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(360px, 88%);
  background: var(--c-white);
  padding: 28px 24px 32px;
  transform: translateX(100%);
  transition: transform .35s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 22px;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

/* FIX CRÍTICO — el backdrop nunca debe bloquear clics por defecto */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16,42,29,.55);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  z-index: 999;
  pointer-events: none;
}
.mobile-nav-backdrop[hidden] { display: none; }

body.nav-open { overflow: hidden; }
body.nav-open .mobile-nav { pointer-events: auto; }
body.nav-open .mobile-nav-panel { transform: translateX(0); }
body.nav-open .mobile-nav-backdrop {
  pointer-events: auto;
  opacity: 1;
}

.mobile-nav-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-border-light);
}
.mobile-nav-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 16px;
  color: var(--c-dark);
}
.mobile-nav-close {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  background: var(--c-cream);
  color: var(--c-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.mobile-nav-list { display: flex; flex-direction: column; }
.mobile-nav-list a {
  display: block;
  padding: 14px 4px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 17px;
  color: var(--c-dark);
  border-bottom: 1px solid var(--c-border-light);
  transition: color var(--dur) var(--ease);
}
.mobile-nav-list a:hover { color: var(--c-primary); }

.mobile-nav-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  color: var(--c-text-muted);
}
.mobile-nav-contact a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text-muted);
}
.mobile-nav-contact i { color: var(--c-secondary); width: 16px; }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1100px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .header-cta { display: none; }
}
@media (max-width: 720px) {
  .topbar-message span { display: none; }
  .topbar-inner { justify-content: center; }
  .topbar-links { gap: 16px; }
  .topbar-links .topbar-link span { font-size: 12px; }
  .section { padding: 72px 0; }
  .brand-logo { height: 42px; max-width: 180px; }
}
@media (max-width: 520px) {
  .topbar-links .topbar-link span { display: none; }
  .topbar-links { gap: 14px; }
  .brand-tag { display: none; }
}