/* ================================================
   HERMANAMIENTO PWA - MAIN STYLES
   Colonia Valdense & Luserna San Giovanni
   ================================================ */

:root {
  /* Color Palette - Balanced 60/30/10 for institutional UI */
  /* Primary (CTA / Emphasis) */
  --primary: #CE2B37;
  /* Rojo Carmín */
  --primary-hover: #A01F27;
  /* Rojo Carmín oscuro (hover) */

  /* Secondary (Structure) */
  --secondary: #1D3B84;
  /* Azul Profundo */
  --secondary-hover: #152B60;
  /* Azul profundo oscuro */

  /* Accents (Interactive support) */
  --accent: #008C45;
  /* Verde Institucional */
  --accent-dark: #006B34;
  /* Verde oscuro — para texto sobre fondo claro (contraste 7:1) */
  --accent-hover: #006B34;
  /* Verde oscuro (hover) */

  /* Neutrals */
  --bg: #F8F9FA;
  /* Blanco Nieve */
  --bg-card: #FFFFFF;
  /* Blanco Puro */
  --text: #2C3E50;
  /* Gris Pizarra */
  --text-muted: #64748b;
  /* Texto secundario */
  --light: #ECF0F1;
  /* Gris claro */
  --border: #DDD;
  /* Bordes */
  --white: #FFFFFF;
  /* Blanco Puro */

  /* Shadows (neutral) */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1);
  --shadow: var(--shadow-sm);
  --shadow-lg: var(--shadow-md);

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Courier New', monospace;

  /* Font Sizes */
  --fs-h1: 3.5rem;
  --fs-h2: 2.5rem;
  --fs-h3: 1.8rem;
  --fs-h4: 1.4rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Border Radius */
  --radius: 8px;
  --radius-lg: 12px;
  --radius-full: 50%;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
  --transition-slow: all 0.5s ease;

  /* Z-index */
  --z-nav: 1000;
  --z-overlay: 999;
  --z-modal: 1100;
}

/* ================================================
   RESET & BASICS
   ================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  transition: var(--transition);
}

/* ================================================
   TYPOGRAPHY
   ================================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--secondary);
}

h1 {
  font-size: var(--fs-h1);
  font-weight: 900;
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
}

h4 {
  font-size: var(--fs-h4);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary);
  text-decoration: underline;
}

strong {
  color: var(--secondary);
  font-weight: 600;
}

small {
  font-size: var(--fs-small);
  color: var(--text-muted);
}

/* Lists */
ul.list-custom,
ol.list-custom {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

ul.list-custom li,
ol.list-custom li {
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

ul.list-custom li::marker {
  color: var(--secondary);
  font-weight: 600;
}

/* ================================================
   LINKS & BUTTONS
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--fs-body);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  /* Garantiza que border-color de clases modificadoras no sea pisado */
  border-style: solid;
  border-width: 1.5px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}

.btn-secondary:hover {
  background-color: var(--secondary-hover);
  border-color: var(--secondary-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

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

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.9rem;
}

/* ================================================
   ICONS — FONT AWESOME
   ================================================ */

.icon-display {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--secondary);
}

.icon-display i {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  line-height: 2rem;
  text-align: center;
}

.gallery-overlay-icon {
  font-size: 1.8rem;
  color: var(--white);
  opacity: 0.9;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.footer-info-icon {
  font-size: 1.3rem;
  color: var(--primary);
  margin-right: var(--spacing-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8rem;
  height: 1.8rem;
}

/* ================================================
   CONTAINERS & LAYOUT
   ================================================ */

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

.section {
  padding: var(--spacing-xxl) 0;
}

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

.section-title h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--spacing-md);
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ================================================
   IMAGES & MEDIA
   ================================================ */

img {
  max-width: 100%;
  height: auto;
  display: block;
}

img[loading="lazy"] {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* ================================================
   FORMS
   ================================================ */

input,
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm);
  font-size: var(--fs-body);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  transition: var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(206, 43, 55, 0.08);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--primary);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

/* ================================================
   CARDS & BOXES
   ================================================ */

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 8px var(--shadow);
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 8px 24px var(--shadow-lg);
  transform: translateY(-4px);
}

.card-header {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--light);
}

.card-body {
  margin-bottom: var(--spacing-md);
}

.card-footer {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--light);
}

/* ================================================
   ACTIVITY CARDS — HERMANAMIENTO
   Franja bicolor Italia / Uruguay en base de imagen
   ================================================ */

.activity-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.07);
  border: 0.5px solid var(--border);
  transition: var(--transition);
}

.activity-card:hover {
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.13);
  transform: translateY(-6px);
}

/* Wrapper que contiene imagen + franja */
.activity-card-image-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  flex-shrink: 0;
}

.activity-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: var(--transition);
}

.activity-card:hover .activity-card-image {
  transform: scale(1.06);
}

/* ── Franja partida: Italia izq · Uruguay der ── */
.activity-card-flag-stripe {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 5px;
  display: flex;
  z-index: 2;
}

/* Mitad Italia */
.flag-stripe-it {
  display: flex;
  flex: 1;
}

.flag-stripe-it span:nth-child(1) {
  flex: 1;
  background: #009246;
}

.flag-stripe-it span:nth-child(2) {
  flex: 1;
  background: #f0f0f0;
}

.flag-stripe-it span:nth-child(3) {
  flex: 1;
  background: #ce2b37;
}

/* Separador central */
.flag-stripe-sep {
  width: 1.5px;
  background: rgba(255, 255, 255, 0.75);
  flex-shrink: 0;
}

/* Mitad Uruguay (franjas celeste / blanco) */
.flag-stripe-uy {
  display: flex;
  flex: 1;
}

.flag-stripe-uy span:nth-child(1) {
  flex: 1;
  background: #5B9BD5;
}

.flag-stripe-uy span:nth-child(2) {
  flex: 1;
  background: #f0f0f0;
}

.flag-stripe-uy span:nth-child(3) {
  flex: 1;
  background: #5B9BD5;
}

.flag-stripe-uy span:nth-child(4) {
  flex: 1;
  background: #f0f0f0;
}

.flag-stripe-uy span:nth-child(5) {
  flex: 1;
  background: #5B9BD5;
}

/* ── Cuerpo de la tarjeta ── */
.activity-card-content {
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  background: var(--white);
}

/* Eyebrow de categoría */
.activity-card-category {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: 6px;
}

.activity-card h3 {
  font-size: 1.15rem;
  color: var(--secondary);
  /* azul profundo — contraste 9:1 sobre blanco */
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
}

.activity-card p {
  font-size: 0.925rem;
  color: #374151;
  /* gris carbón oscuro — contraste 11:1 sobre blanco */
  line-height: 1.65;
  flex-grow: 1;
  margin-bottom: var(--spacing-md);
}

.activity-card .btn-outline {
  align-self: flex-start;
  font-size: 0.875rem;
  padding: 7px 18px;
  border-radius: 20px;
  /* Siempre visible: fondo azul tenue, texto azul oscuro */
  color: var(--secondary);
  border: 1.5px solid var(--secondary);
  background: rgba(29, 59, 132, 0.07);
  text-decoration: none;
}

.activity-card .btn-outline:hover {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
  transform: translateY(-1px);
}

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

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

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

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

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

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

.text-center {
  text-align: center;
}

.text-muted {
  color: #999;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mt-5 {
  margin-top: var(--spacing-xl);
}

.py-0 {
  padding-top: 0;
  padding-bottom: 0;
}

.py-1 {
  padding-top: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
}

.py-2 {
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.py-3 {
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.py-4 {
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.px-0 {
  padding-left: 0;
  padding-right: 0;
}

.px-1 {
  padding-left: var(--spacing-xs);
  padding-right: var(--spacing-xs);
}

.px-2 {
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.px-3 {
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.px-4 {
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.w-100 {
  width: 100%;
}

.h-100 {
  height: 100%;
}

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

.bg-primary {
  background-color: var(--primary);
}

.bg-secondary {
  background-color: var(--secondary);
}

.text-primary {
  color: var(--primary);
}

.text-secondary {
  color: var(--secondary);
}

.text-accent {
  color: var(--accent);
}

.text-white {
  color: var(--white);
}

.border-top {
  border-top: 1px solid var(--border);
}

.border-bottom {
  border-bottom: 1px solid var(--border);
}

.hidden {
  display: none !important;
}

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