/**
 * GR58 Design System - layout.css
 * Malla estructural, ritmo de fondos (60-25-10-5) y breakpoints responsivos (576, 768, 992, 1200px).
 */

/* 1. CONTENEDORES */
.container {
  width: 100%;
  max-width: var(--container-max-w);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) { .container { padding-inline: var(--space-6); } }
@media (min-width: 1200px) { .container { padding-inline: var(--space-8); } }

/* 2. RITMO OBLIGATORIO DE SECCIONES */
.section {
  padding-block: var(--space-12);
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) { .section { padding-block: var(--space-16); } }

.section--chalk { background-color: var(--c-chalk); color: var(--c-forest); }
.section--dawn { background-color: var(--c-dawn); color: var(--c-forest); }
.section--forest { background-color: var(--c-forest); color: var(--c-chalk); }
.section--forest h2, .section--forest h3, .section--forest p { color: var(--c-chalk); }
.section--forest p { color: var(--text-muted-dark); }
.section--olive { background-color: var(--c-olive); color: var(--c-chalk); }
.section--olive h2, .section--olive h3, .section--olive p { color: var(--c-chalk); }
.section--olive p { color: var(--text-muted-dark); }

/* 3. ENCABEZADOS DE SECCIÓN */
.section-header { margin-bottom: var(--space-10); }
.section-header--center { text-align: center; max-width: 780px; margin-inline: auto; }
.section-header--split { display: flex; flex-direction: column; gap: var(--space-6); }

@media (min-width: 992px) {
  .section-header--split {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
  .section-header--split .section-header__main { max-width: 65%; }
}

/* 4. CABECERA FLOTANTE Y NAVBAR */
.site-header {
  position: fixed;
  top: var(--space-4);
  inset-inline: 0;
  z-index: var(--z-nav);
  display: flex;
  justify-content: center;
  padding-inline: var(--space-4);
  pointer-events: none;
}

.navbar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1040px;
  background: rgba(246, 244, 241, 0.90);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(75, 93, 22, 0.15);
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-5);
  box-shadow: var(--shadow-subtle);
  transition: all var(--trans-base);
}

.navbar.is-scrolled {
  background: rgba(246, 244, 241, 0.98);
  box-shadow: var(--shadow-card);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-md);
  color: var(--c-forest);
}

.navbar__menu {
  display: none;
  list-style: none;
  align-items: center;
  gap: var(--space-6);
}

.navbar__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--c-forest);
  padding: var(--space-1) var(--space-2);
}
.navbar__link:hover, .navbar__link.is-active { color: var(--brand-accent); }

.navbar__actions { display: flex; align-items: center; gap: var(--space-3); }

.navbar__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}
.navbar__toggle-bar {
  width: 22px;
  height: 2px;
  background-color: var(--c-forest);
  border-radius: 2px;
  transition: transform var(--trans-fast), opacity var(--trans-fast);
}

@media (min-width: 992px) {
  .navbar__menu { display: flex; }
  .navbar__toggle { display: none; }
}

/* Menú móvil desplegado */
.navbar__menu.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  background: rgba(246, 244, 241, 0.98);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(75, 93, 22, 0.2);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  gap: var(--space-4);
}

/* 5. HERO SECTION */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--space-20) + var(--space-6));
  padding-bottom: var(--space-16);
  overflow: hidden;
  color: var(--c-chalk);
  background: var(--grad-brand);
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero__container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 992px) {
  .hero__container { grid-template-columns: 1.25fr 0.75fr; }
}

.hero__content { max-width: 680px; }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
}

/* 6. MALLAS FLEX / GRID */
.grid-4 { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
@media (min-width: 576px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.grid-3 { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--space-8); }
@media (min-width: 992px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }

/* 7. FOOTER */
.site-footer {
  background-color: var(--c-forest);
  color: var(--c-chalk);
  padding-top: var(--space-16);
  border-top: 1px solid rgba(246, 244, 241, 0.08);
}

.footer__upper {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(246, 244, 241, 0.12);
  margin-bottom: var(--space-12);
}
@media (min-width: 768px) {
  .footer__upper {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-16);
}
@media (min-width: 768px) { .footer__body { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .footer__body { grid-template-columns: 1.4fr 1fr 1fr 1.6fr; } }

.footer__bottom {
  background-color: #162200;
  padding-block: var(--space-5);
  font-size: var(--font-size-xs);
  color: var(--c-dawn);
}

.footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}