/* ============================================================
   DINARI — Design System & Global Styles
   Prioridades: Velocidad · Mobile-first · Escalabilidad
   ============================================================ */

/* 1. FUENTES (carga asíncrona desde HTML) */
/* Plus Jakarta Sans (sans) + Lora (serif) */

/* 2. TOKENS DE DISEÑO */
:root {
  /* Paleta principal */
  --cream-50:  #FDFCF9;
  --cream-100: #FAF8F4;
  --cream-200: #F0EDE6;
  --cream-300: #E3DDD4;
  --sage-300:  #C4D9C7;
  --sage-400:  #A8C5AC;
  --sage-500:  #7A9E7E;
  --sage-600:  #5C8060;
  --sage-700:  #3E6244;
  --stone-300: #C8BFB8;
  --stone-400: #B3A99E;
  --stone-500: #8D8078;
  --stone-600: #635A52;
  --charcoal:  #2C2A27;
  --charcoal-soft: #4A4844;
  --white:     #FFFFFF;

  /* Feedback */
  --danger:         #C94040;
  --danger-light:   #FEF2F2;
  --success:        #3D8F5F;
  --success-light:  #F0FDF4;
  --warning:        #D97706;
  --warning-light:  #FFFBEB;
  --info:           #2563EB;
  --info-light:     #EFF6FF;

  /* Tipografía */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-serif: 'Lora', Georgia, serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;

  /* Espaciado (escala de 4px) */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Bordes */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-xs: 0 1px 2px rgba(44,42,39,0.06);
  --shadow-sm: 0 1px 4px rgba(44,42,39,0.08), 0 1px 2px rgba(44,42,39,0.04);
  --shadow-md: 0 4px 12px rgba(44,42,39,0.10), 0 2px 4px rgba(44,42,39,0.06);
  --shadow-lg: 0 8px 28px rgba(44,42,39,0.13), 0 4px 8px rgba(44,42,39,0.06);
  --shadow-xl: 0 16px 48px rgba(44,42,39,0.14), 0 6px 16px rgba(44,42,39,0.07);

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition: 220ms ease;
  --transition-slow: 380ms ease;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 760px;
  --navbar-h: 64px;
}

/* 3. RESET MODERNO */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--charcoal);
  background-color: var(--cream-100);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  font-weight: 600;
}

/* 4. UTILIDADES DE LAYOUT */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

@media (min-width: 640px) {
  .container { padding-inline: var(--sp-8); }
}

@media (min-width: 1024px) {
  .container { padding-inline: var(--sp-12); }
}

.container--narrow {
  max-width: var(--container-narrow);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* 5. NAVBAR */
.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--navbar-h);
  z-index: 100;
  background: rgba(250, 248, 244, 0.88);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid var(--cream-300);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--charcoal);
  letter-spacing: -0.02em;
}

.navbar__logo-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--sage-500), var(--sage-700));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--white);
  flex-shrink: 0;
}

.navbar__nav {
  display: none;
  align-items: center;
  gap: var(--sp-1);
}

@media (min-width: 768px) {
  .navbar__nav { display: flex; }
}

.navbar__link {
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--stone-600);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.navbar__link:hover {
  color: var(--charcoal);
  background: var(--cream-200);
}

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

/* Botón hamburguesa mobile */
.navbar__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  cursor: pointer;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.navbar__toggle:hover { background: var(--cream-200); }

.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

@media (min-width: 768px) {
  .navbar__toggle { display: none; }
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: var(--navbar-h) 0 0 0;
  background: var(--cream-50);
  z-index: 99;
  padding: var(--sp-6);
  flex-direction: column;
  gap: var(--sp-2);
  border-top: 1px solid var(--cream-300);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu__link {
  padding: var(--sp-4);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--charcoal);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.mobile-menu__link:hover {
  background: var(--cream-200);
}

/* 6. BOTONES */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--charcoal);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--charcoal-soft);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--sage {
  background: var(--sage-500);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(122,158,126,0.30);
}

.btn--sage:hover {
  background: var(--sage-600);
  box-shadow: 0 6px 20px rgba(122,158,126,0.40);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--charcoal);
  border: 1.5px solid var(--cream-300);
  box-shadow: var(--shadow-xs);
}

.btn--outline:hover {
  border-color: var(--stone-400);
  background: var(--cream-200);
}

.btn--ghost {
  background: transparent;
  color: var(--stone-600);
  padding-inline: var(--sp-4);
}

.btn--ghost:hover {
  color: var(--charcoal);
  background: var(--cream-200);
}

.btn--lg {
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--text-base);
}

.btn--sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-xs);
}

/* 7. BADGE / CHIP */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge--sage {
  background: var(--sage-300);
  color: var(--sage-700);
}

.badge--cream {
  background: var(--cream-300);
  color: var(--stone-600);
}

/* 8. TIPOGRAFÍA */
.display-1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.display-2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.heading-1 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.heading-2 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.015em;
}

.heading-3 {
  font-size: var(--text-xl);
  font-weight: 600;
}

.body-lg {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--stone-600);
}

.body-sm {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--stone-500);
}

/* 9. TARJETA BASE */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--cream-300);
  box-shadow: var(--shadow-sm);
}

.card--elevated {
  box-shadow: var(--shadow-md);
}

.card--interactive {
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.card--interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* 10. SECCIÓN HERO */
.page-hero {
  padding-block-start: calc(var(--navbar-h) + var(--sp-16));
  padding-block-end: var(--sp-16);
  text-align: center;
}

.page-hero__breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--stone-500);
  margin-bottom: var(--sp-6);
}

.page-hero__breadcrumb a { color: var(--sage-600); }
.page-hero__breadcrumb a:hover { text-decoration: underline; }

.page-hero__eyebrow {
  margin-bottom: var(--sp-4);
}

.page-hero__title {
  margin-bottom: var(--sp-5);
  color: var(--charcoal);
}

.page-hero__subtitle {
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--sp-8);
}

/* 11. DIVIDER */
.divider {
  height: 1px;
  background: var(--cream-300);
  margin-block: var(--sp-8);
}

/* 12. ANUNCIOS ADSENSE */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream-200);
  border: 1px dashed var(--cream-300);
  border-radius: var(--radius-md);
  min-height: 90px;
  color: var(--stone-400);
  font-size: var(--text-xs);
  text-align: center;
  padding: var(--sp-4);
  margin-block: var(--sp-8);
}

.ad-slot::before {
  content: 'Publicidad';
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stone-400);
  margin-bottom: var(--sp-2);
}

/* 13. FOOTER */
.footer {
  background: var(--charcoal);
  color: var(--stone-300);
  padding-block: var(--sp-12);
  margin-top: var(--sp-20);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}

@media (min-width: 640px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--white);
  margin-bottom: var(--sp-3);
}

.footer__description {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--stone-400);
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--stone-400);
  transition: color var(--transition-fast);
}

.footer__link:hover { color: var(--sage-400); }

.footer__bottom {
  margin-top: var(--sp-10);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  align-items: flex-start;
  font-size: var(--text-xs);
  color: var(--stone-500);
}

@media (min-width: 640px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* 14. ANIMACIONES DE ENTRADA */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* 15. FOCUS VISIBLE (accesibilidad) */
:focus-visible {
  outline: 2px solid var(--sage-500);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* 16. REDUCIR MOVIMIENTO (accesibilidad) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
  }
}