/* ========================================
   SEPTIGENESIS LAYOUT
   Grid, Flexbox, Sections, Responsive
   ======================================== */

/* ========================================
   CONTAINER & WRAPPER
   ======================================== */

/* Evita el desbordamiento horizontal en desktop (la página "se salía" del
   contenedor al mover la ventana). `clip` NO rompe el header sticky (a
   diferencia de overflow-x:hidden). */
html, body { overflow-x: clip; max-width: 100%; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  box-sizing: border-box;
}

.container-sm {
  max-width: 800px;
}

.container-lg {
  max-width: 1400px;
}

.container-fluid {
  max-width: 100%;
  padding: 0 var(--spacing-lg);
}

/* ========================================
   GRID SYSTEM
   ======================================== */

.grid {
  display: grid;
  gap: var(--spacing-lg);
  width: 100%;
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Responsive Grid */
@media (max-width: 1024px) {
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid {
    gap: var(--spacing-md);
  }

  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   FLEXBOX UTILITIES
   ======================================== */

.flex {
  display: flex;
}

.flex-row {
  flex-direction: row;
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

.flex-between {
  justify-content: space-between;
  align-items: center;
}

.flex-start {
  justify-content: flex-start;
  align-items: center;
}

.flex-end {
  justify-content: flex-end;
  align-items: center;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-xs {
  gap: var(--spacing-xs);
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.gap-xl {
  gap: var(--spacing-xl);
}

/* ========================================
   HEADER LAYOUT
   ======================================== */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-white);
  border-bottom: 1px solid #f0f0f0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  gap: var(--spacing-xl);
}

.header-logo {
  flex-shrink: 0;
}

.header-logo a {
  display: inline-block;
  text-decoration: none;
}

.header-logo img {
  height: auto;
  width: auto;
  max-width: 188px;
  max-height: 55px;
}

.header-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
}

.header-nav a {
  color: var(--body-text-color);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.header-nav a:hover,
.header-nav a.active {
  /* WCAG AA: teal texto oscurecido a #007a71 = 4.54:1 sobre blanco ✅ */
  color: var(--gcid-primary-text, #007a71);
}

.header-cta {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  header {
    padding: var(--spacing-md) 0;
  }

  .header {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-md);
  }

  .header-nav {
    order: 3;
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-md);
    display: none;
  }

  /* Menú móvil abierto: scrollable con espacio inferior para que el botón
     flotante "Command Center" (FAB, esquina inferior derecha) no tape ni
     bloquee los últimos ítems (ej. "Agendar"). QA Daniel 2026-07-08. */
  .header-nav.mobile-open {
    display: flex;
    max-height: calc(100dvh - 84px);
    overflow-y: auto;
    padding-bottom: 96px;
    -webkit-overflow-scrolling: touch;
  }

  .header-cta {
    order: 2;
  }
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  text-align: center;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  /* Palabras largas ("biotecnológica") no deben salirse del contenedor.
     word-break:normal para no partir palabras mid-sílaba en iOS Safari. */
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
  max-width: 100%;
}

/* QA Daniel: "complementarias" se cortaba mid-silaba en iOS Safari.
   keep-all evita partir la palabra; el clamp la hace caber en movil. */
h2[data-i18n="modelo.title"] {
  overflow-wrap: normal;
  word-break: keep-all;
  hyphens: none;
}
@media (max-width: 480px) {
  h2[data-i18n="modelo.title"] { font-size: clamp(1.4rem, 6vw, 2rem); }
}

.hero h1 span {
  /* WCAG AA: teal texto oscurecido a #007a71 = 4.54:1 sobre blanco ✅ */
  color: var(--gcid-primary-text, #007a71);
}

.hero p {
  font-size: var(--font-size-h5);
  color: var(--body-text-color);
  margin-bottom: 0;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-3xl) 0;
  }

  .hero h1 {
    font-size: clamp(1.5rem, 6.5vw, 1.9rem);
  }

  .hero p {
    font-size: 1rem;
  }
}

/* Ningún título largo debe desbordar su contenedor (cards, secciones, hero).
   IMPORTANTE: word-break:normal — en iOS Safari `break-word` parte las palabras
   carácter por carácter ("Enfrent|as"). overflow-wrap parte solo si una palabra
   realmente no cabe; hyphens:none evita guiones automáticos raros. */
h1, h2, h3, h4 {
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
}

/* ========================================
   SECTIONS
   ======================================== */

section {
  padding: var(--spacing-4xl) 0;
}

section.alt {
  background-color: var(--bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
  /* No partir palabras mid-sílaba en iOS Safari ("complementari-as"). QA 2026-07-07. */
  word-break: normal;
  overflow-wrap: break-word;
  hyphens: none;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: var(--font-size-h5);
}

@media (max-width: 768px) {
  section {
    padding: var(--spacing-3xl) 0;
  }

  .section-header {
    margin-bottom: var(--spacing-2xl);
  }
}

/* ========================================
   FEATURES SECTION
   ======================================== */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
}

.feature-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-teal-light);
  border-radius: var(--border-radius-lg);
  flex-shrink: 0;
}

.feature-icon svg {
  width: 40px;
  height: 40px;
  color: var(--gcid-primary-color);
}

.feature-item h3 {
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-md);
}

.feature-item p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ========================================
   TWO-COLUMN LAYOUT
   ======================================== */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.two-col.reverse {
  direction: rtl;
}

.two-col.reverse > * {
  direction: ltr;
}

@media (max-width: 768px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .two-col.reverse {
    direction: ltr;
  }
}

/* ========================================
   FOOTER LAYOUT
   ======================================== */

footer {
  background-color: var(--heading-color);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-4xl);
}

footer a {
  color: #b0b0b0; /* WCAG AA: #a0a0a0 sobre #333 = 3.9:1 (falla). #b0b0b0 = 4.65:1 */
  transition: color var(--transition-fast);
}

footer a:hover {
  color: var(--accent-cyan);
  text-decoration: none;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  color: white;
  font-size: var(--font-size-h5);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-logo {
  max-width: 220px;
  margin-bottom: var(--spacing-lg);
}

/* Chip blanco detrás del logo: el logo teal es oscuro y sobre el footer
   oscuro (#333) no se veía. El fondo claro garantiza contraste. */
.footer-logo img {
  background: #ffffff;
  padding: 10px 16px;
  border-radius: var(--border-radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: transform var(--transition-fast);
}

.footer-logo img:hover {
  transform: translateY(-2px);
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

/* WCAG AA fix: #808080 on #333333 footer bg = 3.19:1 (FAIL). Changed to #b0b0b0 = 4.65:1 (PASS). */
.footer-copyright {
  font-size: 0.875rem;
  color: #b0b0b0;
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-3xl);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .footer-links {
    justify-content: center;
  }
}

/* ========================================
   SPACING UTILITIES
   ======================================== */

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mt-3xl { margin-top: var(--spacing-3xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }
.mb-3xl { margin-bottom: var(--spacing-3xl); }

.py-xs { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-xl { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.px-xs { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-xl { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
  header,
  footer,
  .btn,
  .breadcrumb {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  a {
    text-decoration: none;
  }

  .page-break {
    page-break-after: always;
  }
}