/* =============================================================================
   PYTHON CDMX - ESTILOS PERSONALIZADOS PARA MKDOCS MATERIAL

   Este archivo contiene los estilos personalizados para el sitio web de Python CDMX.
   Utiliza las variables nativas de MkDocs Material para garantizar compatibilidad
   automática con modo claro/oscuro.

   Estructura:
   - Dependencias externas
   - Variables CSS personalizadas
   - Sección Hero
   - Sistema de botones
   - Tarjetas y grillas
   - Tarjetas de voluntarios
   - Tarjetas de comunidades aliadas
   - Enlaces de comunidad
   - Lema de la comunidad y navegación
   - Iconografía
   - Animaciones
   - Media queries responsivas (consolidados)
   ============================================================================= */

@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css");

/* -----------------------------------------------------------------------------
      VARIABLES CSS PERSONALIZADAS
      ----------------------------------------------------------------------------- */

:root {
    /* Material Design Variables */
    --md-primary-fg-color--lighter: #b3d0c6;
    --md-primary-fg-color--light: #4d927a;
    --md-primary-fg-color: #006341;
    --md-primary-fg-color--dark: #004f34;
    --md-primary-fg-color--darker: #003221;
    --md-accent-fg-color--light: #4d927a;
    --md-accent-fg-color: #006341;
    --md-accent-fg-color--dark: #004f34;
    --md-accent-bg-color: #ffffff;
    /* Radios y espaciado */
    --button-radius: 3.125rem;
    --card-radius: 0.75rem;

    /* Colores de redes sociales */
    --telegram-color: #0088cc;
    --meetup-color: #ed1c40;
    --youtube-color: #ff0000;
    --github-color: #333333;
    --instagram-color: #e4405f;
    --linkedin-color: #0077b5;

    /* Colores de años y especialización */
    --year-2024-color: #2196f3;
    --year-2024-hover: #1976d2;
    --year-2023-color: #ff9800;
    --year-2023-hover: #f57c00;

    /* Colores de badges */
    --badge-ambassador: #2e7d32;
    --badge-organizer: #1565c0;
    --badge-production: #e65100;
    --badge-host: #6a1b9a;
    --badge-technical: #37474f;
    --badge-support: #3e2723;
    --badge-global: #ad1457;
    --badge-strategic: #283593;

    /* Transiciones estándar */
    --transition-base: all 0.3s ease;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pygreen {
    color: var(--md-primary-fg-color);
    font-weight: 400;
}

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

.subtitle {
    font-size: 1.125rem;
    color: var(--md-default-fg-color--light);
    margin: 0 auto 2rem;
    max-width: 37.5rem;
    line-height: 1.7;
}

/* -----------------------------------------------------------------------------
      SECCIÓN HERO
      ----------------------------------------------------------------------------- */

.hero-section {
    padding: 2rem 1rem;
    text-align: center;
    margin-bottom: 2rem;
    border-radius: var(--card-radius);
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
}

.hero-logo {
    width: 7.5rem;
    height: 7.5rem;
    margin-bottom: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--md-shadow-z1);
}

.hero-section h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--md-default-fg-color--light);
    max-width: 37.5rem;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

/* -----------------------------------------------------------------------------
      SISTEMA DE BOTONES
      ----------------------------------------------------------------------------- */

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.action-buttons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 1.5rem;
    border-radius: var(--button-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
    min-width: 8.75rem;
}

.action-buttons a:first-child {
    color: var(--md-accent-bg-color);
    background: var(--md-primary-fg-color);
}

.action-buttons a:first-child:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.action-buttons a:last-child {
    background: transparent;
    color: var(--md-primary-fg-color);
    border: 2px solid var(--md-primary-fg-color);
}

.action-buttons a:last-child:hover {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
}

/* Botones estándar del sitio */
.upcoming-btn,
.btn,
.btn-primary,
.participation-card a,
.year-card a {
    background: var(--md-accent-fg-color) !important;
    color: var(--md-accent-bg-color) !important;
    padding: 0.75rem 1.5rem;
    border-radius: var(--button-radius);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-base);
    border: none;
    margin-top: 1rem;
}

.upcoming-btn span.twemoji,
.btn span.twemoji {
    color: var(--python-white);
}

.upcoming-btn:hover,
.btn:hover,
.btn-primary:hover,
.participation-card a:hover,
.year-card a:hover {
    background: var(--md-accent-fg-color--dark) !important;
    color: var(--md-accent-bg-color) !important;
    transform: translateY(-2px);
    box-shadow: var(--md-shadow-z2);
    text-decoration: none;
}

/* Asegurar visibilidad en botones específicos del index */
.btn.btn-primary,
.btn-primary.mt-2,
.upcoming-btn {
    background: var(--md-accent-fg-color) !important;
    color: var(--md-accent-bg-color) !important;
    text-decoration: none !important;
}

.btn.btn-primary:hover,
.btn-primary.mt-2:hover,
.upcoming-btn:hover {
    background: var(--md-accent-fg-color--dark) !important;
    color: var(--md-accent-bg-color) !important;
    text-decoration: none !important;
}

/* Botones de navegación discretos */
.btn-nav {
    background: transparent;
    color: var(--md-default-fg-color--light);
    border: 1px solid var(--md-default-fg-color--lightest);
    padding: 0.5rem 1rem;
    border-radius: 1.5rem;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    transition: var(--transition-base);
    margin: 0.25rem;
    min-width: 140px;
    text-align: center;
    white-space: nowrap;
}

.btn-nav:hover {
    background: var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color);
    border-color: var(--md-default-fg-color--light);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    text-decoration: none;
}

.btn-nav span.twemoji {
    font-size: 0.875em;
    opacity: 0.7;
}

.btn-nav:hover span.twemoji {
    opacity: 1;
}

/* -----------------------------------------------------------------------------
      TARJETAS Y GRILLAS
      ----------------------------------------------------------------------------- */

/* Estilos base para todas las tarjetas */
.participation-card,
.year-card,
.stat-card,
.community-highlight,
.upcoming-events {
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: var(--card-radius);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

/* Grillas responsivas */
.participation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.year-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

/* Caso especial: cuando hay 3 tarjetas de participación, la tercera ocupa toda la fila */
.participation-grid .participation-card:nth-child(3):nth-last-child(1) {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
}

/* Tarjetas de Participacion nuevas */
.md-typeset .cards > ul > li {
    padding: 2rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.md-typeset .cards > ul > li:hover {
    transform: translateY(-5px);
    box-shadow: var(--md-shadow-z3);
    border-color: var(--md-primary-fg-color);
}

.md-typeset .cards > ul > li .card--header {
    color: var(--md-default-fg-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

/* Tarjetas de participación */
.participation-card {
    padding: 2rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.participation-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--md-shadow-z3);
    border-color: var(--md-primary-fg-color);
}

.participation-card h3 {
    color: var(--md-default-fg-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.participation-card h3 i {
    font-size: 2rem;
    color: var(--md-primary-fg-color);
    margin-bottom: 0.5rem;
    display: block;
}

.participation-card p {
    color: var(--md-default-fg-color--light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* Tarjetas de años */
.year-card {
    padding: 0.5rem 2rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.year-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--md-shadow-z3);
    border-color: var(--md-primary-fg-color);
}

.year-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--md-primary-fg-color),
        var(--md-primary-bg-color)
    );
    opacity: 0;
    transition: var(--transition-base);
}

.year-card:hover::before {
    opacity: 1;
}

.year-card h3 {
    color: var(--md-default-fg-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.year-card h3 i {
    font-size: 2rem;
    color: var(--md-primary-fg-color);
    margin-bottom: 0.25rem;
    display: block;
}

.year-card p {
    color: var(--md-default-fg-color--light);
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

.year-card p:first-of-type {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--md-primary-fg-color);
}

.year-card a {
    margin-top: auto;
}

/* Tarjetas de estadísticas */
.stat-card {
    padding: 1.5rem;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--md-shadow-z2);
    border-color: var(--md-primary-fg-color);
}

.stat-card h3 {
    color: var(--md-primary-fg-color);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.stat-card h3 i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-card p {
    color: var(--md-default-fg-color--light);
    font-weight: 500;
}

/* Especialización de tarjetas por tipo */
.participation-ponente,
.year-2025 {
    border-left: 4px solid var(--md-primary-fg-color);
}

.participation-voluntario,
.year-2024 {
    border-left: 4px solid var(--year-2024-color);
}

.participation-asistir,
.year-2023 {
    border-left: 4px solid var(--year-2023-color);
}

.year-2025:hover {
    border-left-color: var(--md-accent-fg-color--dark);
}

.year-2024:hover {
    border-left-color: var(--year-2024-hover);
}

.year-2023:hover {
    border-left-color: var(--year-2023-hover);
}

/* -----------------------------------------------------------------------------
      TARJETAS DE VOLUNTARIOS
      ----------------------------------------------------------------------------- */

.volunteer-card {
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: var(--card-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.volunteer-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--md-primary-fg-color--light);
}

.volunteer-card .card-header {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: start;
    margin-bottom: 1.5rem;
}

.volunteer-card .card-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.volunteer-card .card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--md-default-fg-color);
    margin: 0;
    line-height: 1.2;
}

.volunteer-card .card-title i {
    color: var(--md-primary-fg-color);
    margin-right: 0.5rem;
}

.volunteer-card .card-subtitle {
    font-size: 1rem;
    color: var(--md-default-fg-color--light);
    margin: 0;
    font-weight: 500;
    line-height: 1.4;
}

.volunteer-card .badges-container {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.volunteer-card .badge {
    padding: 0.125rem 0.5rem;
    border-radius: 0.75rem;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    opacity: 0.85;
}

/* Badges específicos por rol */
.volunteer-card .badge.ambassador {
    background: rgba(76, 175, 80, 0.15);
    color: var(--badge-ambassador);
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.volunteer-card .badge.organizer {
    background: rgba(33, 150, 243, 0.15);
    color: var(--badge-organizer);
    border: 1px solid rgba(33, 150, 243, 0.3);
}

.volunteer-card .badge.production {
    background: rgba(255, 152, 0, 0.15);
    color: var(--badge-production);
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.volunteer-card .badge.host {
    background: rgba(156, 39, 176, 0.15);
    color: var(--badge-host);
    border: 1px solid rgba(156, 39, 176, 0.3);
}

.volunteer-card .badge.technical {
    background: rgba(96, 125, 139, 0.15);
    color: var(--badge-technical);
    border: 1px solid rgba(96, 125, 139, 0.3);
}

.volunteer-card .badge.support {
    background: rgba(121, 85, 72, 0.15);
    color: var(--badge-support);
    border: 1px solid rgba(121, 85, 72, 0.3);
}

.volunteer-card .badge.global {
    background: rgba(233, 30, 99, 0.15);
    color: var(--badge-global);
    border: 1px solid rgba(233, 30, 99, 0.3);
}

.volunteer-card .badge.strategic {
    background: rgba(63, 81, 181, 0.15);
    color: var(--badge-strategic);
    border: 1px solid rgba(63, 81, 181, 0.3);
}

/* Avatar y sección social */
.volunteer-card .avatar-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.volunteer-card .volunteer-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--md-primary-fg-color--light);
    transition: var(--transition-base);
}

.volunteer-card:hover .volunteer-avatar {
    border-color: var(--md-primary-fg-color);
    transform: scale(1.05);
}

.volunteer-card .social-icons {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.volunteer-card .social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color--light);
    text-decoration: none;
    transition: var(--transition-base);
    font-size: 0.875rem;
}

.volunteer-card .social-icon:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

.volunteer-card .social-icon.linkedin:hover {
    background: var(--linkedin-color);
    color: white;
}

.volunteer-card .social-icon.github:hover {
    background: var(--github-color);
    color: white;
}

/* Contenido de la tarjeta */
.volunteer-card .card-content {
    border-top: 1px solid var(--md-default-fg-color--lightest);
    padding-top: 1.5rem;
}

.volunteer-card .card-role {
    line-height: 1.6;
}

.volunteer-card .role-title {
    font-weight: 700;
    color: var(--md-primary-fg-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.5rem;
}

.volunteer-card .role-description {
    font-weight: 500;
    color: var(--md-default-fg-color--light);
    font-size: 0.875rem;
    font-style: italic;
    line-height: 1.4;
    display: block;
    margin-bottom: 1rem;
}

.volunteer-card .card-role ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.volunteer-card .card-role li {
    margin-bottom: 0.5rem;
    color: var(--md-default-fg-color--light);
}

/* Encabezados ocultos para voluntarios */
.volunteer-header {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
}

.volunteer-card:first-of-type {
    margin-top: 1rem;
}

/* -----------------------------------------------------------------------------
      TARJETAS DE COMUNIDADES ALIADAS
      ----------------------------------------------------------------------------- */

.communities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 0;
}

.community-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1.5rem;
    border-radius: var(--card-radius);
    background: var(--md-default-bg-color);
    border: 2px solid var(--md-default-fg-color--lightest);
    transition: var(--transition-smooth);
    text-decoration: none;
    color: var(--md-default-fg-color);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.community-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(76, 175, 80, 0.1),
        transparent
    );
    transition: var(--transition-smooth);
}

.community-card:hover::before {
    left: 100%;
}

.community-card:hover {
    transform: translateY(-5px);
    border-color: var(--md-accent-fg-color);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.15);
    text-decoration: none;
    color: var(--md-default-fg-color);
}

.community-card img {
    /*width: 120px;*/
    height: 120px;
    object-fit: cover;
    /*border-radius: 50%;*/
    margin-bottom: 1rem;
    border: 3px solid var(--md-default-fg-color--lightest);
    transition: var(--transition-base);
}

.community-card:hover img {
    border-color: var(--md-accent-fg-color);
    transform: scale(1.05);
}

.community-card h4 {
    margin: 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--md-default-fg-color);
    transition: var(--transition-base);
}

.community-card h4 i {
    margin-right: 0.5rem;
    color: var(--md-accent-fg-color);
    font-size: 0.9em;
}

.community-card:hover h4 {
    color: var(--md-accent-fg-color);
}

.community-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--md-default-fg-color--light);
    line-height: 1.4;
}

/* -----------------------------------------------------------------------------
      MEETUPS Y EVENTOS
      ----------------------------------------------------------------------------- */

.meetup-hero {
    padding: 2rem 1rem;
    text-align: center;
    margin-bottom: 2rem;
    border-radius: var(--card-radius);
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    box-shadow: var(--md-shadow-z1);
}

.meetup-hero h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--md-default-fg-color);
}

.meetup-subtitle {
    font-size: 1.125rem;
    color: var(--md-default-fg-color--light);
    margin: 0;
    font-weight: 400;
    line-height: 1.6;
}

.event-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.detail-card {
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: var(--card-radius);
    padding: 1.25rem;
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--md-shadow-z1);
}

.detail-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--md-shadow-z2);
    border-color: var(--md-primary-fg-color--light);
}

.detail-card h3 {
    margin: 0 0 0.75rem 0;
    color: var(--md-primary-fg-color);
    font-size: 1rem;
    font-weight: 600;
}

.detail-card h3 i {
    margin-right: 0.5rem;
    opacity: 0.7;
    font-size: 0.9em;
}

.detail-card p {
    margin: 0;
    color: var(--md-default-fg-color--light);
    font-weight: 500;
    font-size: 0.95rem;
}

.rsvp-card a {
    color: var(--md-primary-fg-color);
    text-decoration: none;
    font-weight: 600;
}

.rsvp-card a:hover {
    text-decoration: underline;
}

/* Secciones de charlas */
.talk-section {
    margin: 2rem 0;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: var(--card-radius);
    overflow: hidden;
    background: var(--md-default-bg-color);
    box-shadow: var(--md-shadow-z1);
}

.talk-header {
    background: var(--md-default-bg-color);
    color: var(--md-default-fg-color);
    padding: 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.talk-header h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.4rem;
    color: var(--md-primary-fg-color);
    font-weight: 600;
}

.talk-header h3 i {
    margin-right: 0.5rem;
    opacity: 0.7;
    font-size: 0.9em;
}

.talk-header p {
    margin: 0;
    color: var(--md-default-fg-color--light);
    font-size: 0.95rem;
}

.talk-header p i {
    margin-right: 0.25rem;
}

/* Sección del ponente */
.speaker-section {
    background: var(--md-default-bg-color);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.speaker-photo {
    flex-shrink: 0;
}

.speaker-photo img {
    width: 160px;
    height: 160px;
    border: 2px solid var(--md-default-fg-color--lightest);
    box-shadow: var(--md-shadow-z1);
    object-fit: cover;
    transition: var(--transition-base);
}

.speaker-section:hover .speaker-photo img {
    border-color: var(--md-primary-fg-color--light);
}

.speaker-info h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1.2rem;
    color: var(--md-default-fg-color);
    font-weight: 600;
}

.speaker-info p:first-of-type {
    margin: 0 0 0.75rem 0;
    font-size: 0.9rem;
    color: var(--md-primary-fg-color);
    font-weight: 500;
}

.speaker-info p:last-of-type {
    margin: 0 0 0.75rem 0;
    line-height: 1.5;
    color: var(--md-default-fg-color--light);
    font-size: 0.9rem;
}

.speaker-links {
    display: flex;
    gap: 0.5rem;
}

.speaker-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color--light);
    text-decoration: none;
    transition: var(--transition-base);
    font-size: 0.9rem;
}

.speaker-links a:hover {
    background: var(--md-accent-fg-color);
    color: var(--md-accent-bg-color);
}

/* Descripción de la charla */
.talk-description {
    background: var(--md-default-bg-color);
    padding: 1.5rem;
}

.talk-description p {
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--md-default-fg-color);
}

.talk-description p:last-child {
    margin-top: 1rem;
    font-style: italic;
    color: var(--md-default-fg-color--light);
    font-size: 0.95rem;
}

/* Stack tecnológico */
.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
    margin: 1rem 0;
}

.tech-stack > div {
    background: var(--md-default-bg-color);
    padding: 0.75rem;
    border-radius: var(--card-radius);
    text-align: center;
    border: 1px solid var(--md-default-fg-color--lightest);
    transition: var(--transition-base);
}

.tech-stack > div:hover {
    border-color: var(--md-primary-fg-color--light);
    box-shadow: var(--md-shadow-z1);
}

.tech-stack h5 {
    margin: 0 0 0.25rem 0;
    color: var(--md-primary-fg-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.tech-stack h5 i {
    margin-right: 0.375rem;
    opacity: 0.7;
}

.tech-stack p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--md-default-fg-color--light);
}

/* Sección de video */
.video-section {
    margin: 2rem 0;
    text-align: center;
}

.video-container {
    max-width: 700px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    margin-bottom: 1rem;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--md-shadow-z1);
    border: 1px solid var(--md-default-fg-color--lightest);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.youtube-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--md-accent-fg-color);
    color: var(--md-accent-bg-color);
    padding: 0.75rem 1.25rem;
    border-radius: var(--button-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
    margin-top: 0.75rem;
    font-size: 0.95rem;
}

.youtube-btn:hover {
    background: var(--md-accent-fg-color--dark);
    color: var(--md-accent-bg-color);
    transform: translateY(-1px);
    box-shadow: var(--md-shadow-z1);
    text-decoration: none;
}

.youtube-btn i {
    font-size: 1em;
}

/* -----------------------------------------------------------------------------
      ENLACES DE COMUNIDAD
      ----------------------------------------------------------------------------- */

.community-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
    padding: 0;
    align-items: stretch;
}

.community-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 1rem;
    height: 60px;
    border-radius: 1rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.025em;
    transition: var(--transition-smooth);
    border: 2px solid var(--md-default-fg-color--lightest);
    background: var(--md-default-bg-color);
    color: var(--md-default-fg-color);
    text-align: center;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
    white-space: nowrap;
    animation: breathe 4s ease-in-out infinite;
}

.md-typeset .community-link:hover {
    transform: translateY(-3px);
    color: var(--md-accent-bg-color);
    text-decoration: none;
    animation: none;
}

.md-typeset .community-link:active {
    transform: translateY(-1px);
}

.md-typeset .community-link {
    font-size: 1.25em;
    transition: var(--transition-base);
    margin-right: 0.125rem;
}

.md-typeset.community-link:hover,
.md-typeset .community-link:hover span.twemoji {
    color: var(--md-accent-bg-color);
    transform: scale(1.1);
}

/* Colores específicos por red social */
.community-link.telegram,
.community-link.telegram span.twemoji {
    color: var(--telegram-color);
    border-color: var(--telegram-color);
}

.community-link.telegram:hover {
    background: var(--telegram-color);
    border-color: var(--telegram-color);
    box-shadow: 0 8px 25px rgba(0, 136, 204, 0.3);
}

.community-link.meetup,
.community-link.meetup span.twemoji {
    color: var(--meetup-color);
    border-color: var(--meetup-color);
}

.community-link.meetup:hover,
.community-link.meetup span.twemoji:hover {
    background: var(--meetup-color);
    border-color: var(--meetup-color);
    box-shadow: 0 8px 25px rgba(237, 28, 64, 0.3);
}

.community-link.youtube,
.community-link.youtube span.twemoji {
    border-color: var(--youtube-color);
    color: var(--youtube-color);
}

.community-link.youtube:hover,
.community-link.youtube span.twemoji:hover {
    background: var(--youtube-color);
    border-color: var(--youtube-color);
    box-shadow: 0 8px 25px rgba(255, 0, 0, 0.3);
}

.community-link.github,
.community-link.github span.twemoji {
    color: var(--github-color);
    border-color: var(--github-color);
}

.community-link.github:hover,
.community-link.github span.twemoji:hover {
    background: var(--github-color);
    border-color: var(--github-color);
    box-shadow: 0 8px 25px rgba(51, 51, 51, 0.3);
}

.community-link.instagram,
.community-link.instagram span.twemoji {
    color: var(--instagram-color);
    border-color: var(--instagram-color);
}

.community-link.instagram:hover,
.community-link.instagram span.twemoji:hover {
    background: var(--instagram-color);
    border-color: var(--instagram-color);
    box-shadow: 0 8px 25px rgba(228, 64, 95, 0.3);
}

.community-link.linkedin,
.community-link.linkedin span.twemoji {
    color: var(--linkedin-color);
    border-color: var(--linkedin-color);
}

.community-link.linkedin:hover,
.community-link.linkedin span.twemoji:hover {
    background: var(--linkedin-color);
    border-color: var(--linkedin-color);
    box-shadow: 0 8px 25px rgba(0, 119, 181, 0.3);
}

/* -----------------------------------------------------------------------------
      LEMA DE LA COMUNIDAD
      ----------------------------------------------------------------------------- */

.community-motto {
    text-align: center;
    font-size: 1.5rem;
    font-style: italic;
    font-weight: 600;
    color: var(--md-default-fg-color);
    margin: 1rem auto;
    padding: 1.25rem;
    max-width: 600px;
    position: relative;
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: var(--card-radius);
    box-shadow: var(--md-shadow-z1);
}

.community-motto::before {
    content: '"';
    position: absolute;
    top: -0.5rem;
    left: 1rem;
    font-size: 4rem;
    color: var(--md-primary-fg-color);
    font-family: Georgia, serif;
    opacity: 0.3;
}

.community-motto::after {
    content: '"';
    position: absolute;
    bottom: -2rem;
    right: 1rem;
    font-size: 4rem;
    color: var(--md-primary-fg-color);
    font-family: Georgia, serif;
    opacity: 0.3;
}

/* -----------------------------------------------------------------------------
      NAVEGACIÓN Y SECCIONES ESPECIALES
      ----------------------------------------------------------------------------- */

.quick-navigation {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    margin: 0.75rem auto;
}

.quick-navigation-title {
    width: 100%;
    text-align: center;
    margin-bottom: 0.5rem;
}

.quick-navigation-title span.twemoji {
    color: var(--md-primary-fg-color);
    margin-right: 0.5rem;
}

.community-highlight {
    border-left: 4px solid var(--md-primary-fg-color);
    margin: 2rem 0;
    padding: 1.5rem;
}

.upcoming-events {
    margin: 0.75rem 0;
    padding: 1.25rem 2rem;
}

.upcoming-events h3 {
    color: var(--md-default-fg-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

p.upcoming-events {
    color: var(--md-default-fg-color--light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* -----------------------------------------------------------------------------
      ICONOGRAFÍA
      ----------------------------------------------------------------------------- */

span.twemoji {
    color: var(--md-primary-fg-color);
}

h2 span.twemoji,
h3 span.twemoji {
    margin-right: 0.5rem;
    font-size: 0.9em;
}

/* -----------------------------------------------------------------------------
      ANIMACIONES
      ----------------------------------------------------------------------------- */

@keyframes breathe {
    0%,
    100% {
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }
    50% {
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    }
}

/* -----------------------------------------------------------------------------
      MEDIA QUERIES RESPONSIVAS
      ----------------------------------------------------------------------------- */

@media (max-width: 768px) {
    .participation-grid,
    .year-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .participation-grid .participation-card:nth-child(3):nth-last-child(1) {
        grid-column: 1;
    }

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

    .community-links {
        justify-content: center;
        gap: 0.75rem;
    }

    .community-link {
        min-width: 140px;
        padding: 1rem;
    }

    .community-link span.twemoji {
        font-size: 1.5rem;
    }

    .hero-section {
        padding: 1.5rem 1rem;
    }

    .hero-logo {
        width: 5rem;
        height: 5rem;
    }

    .action-buttons {
        flex-direction: column;
        align-items: center;
    }

    .action-buttons a {
        width: 100%;
        max-width: 250px;
    }

    /* Voluntarios en móvil */
    .volunteer-card {
        padding: 1.5rem;
    }

    .volunteer-card .card-header {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }

    .volunteer-card .avatar-section {
        order: -1;
    }

    /* Comunidades aliadas en móvil */
    .communities-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
        margin: 1.5rem 0;
    }

    .community-card {
        padding: 1.5rem 1rem;
    }

    .community-card img {
        width: 100px;
        height: 100px;
    }

    .community-card h4 {
        font-size: 1rem;
    }

    /* Meetups responsivos */
    .meetup-hero {
        padding: 1.5rem 1rem;
        margin: 1rem 0;
    }

    .meetup-hero h1 {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
    }

    .meetup-subtitle {
        font-size: 1rem;
    }

    .event-details {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        margin: 1.5rem 0;
    }

    .detail-card {
        padding: 1rem;
    }

    .talk-section {
        margin: 1.5rem 0;
    }

    .talk-header {
        padding: 1.25rem 1rem;
    }

    .talk-header h3 {
        font-size: 1.2rem;
    }

    .speaker-section {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem 1rem;
        gap: 1rem;
    }

    .speaker-photo img {
        width: 120px;
        height: 120px;
    }

    .talk-description {
        padding: 1.25rem 1rem;
    }

    .talk-description p {
        font-size: 0.95rem;
    }

    .tech-stack {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .tech-stack > div {
        padding: 0.75rem;
    }

    .video-container {
        padding: 0 1rem;
    }

    .youtube-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}
