/* 
   Main Stylesheet - Clinica UNR Modernization
   Design System: Apple-Inspired
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Fondos */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-dark: #1d1d1f;
  
  /* Textos */
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  
  /* Acentos */
  --accent-blue: #0071e3;
  --accent-blue-hover: #0077ed;
  
  /* Institucional sutil */
  --brand-blue: #003366;
  --brand-gold: #cc9900;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 20px;
  
  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  
  /* Tipografía */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: all 0.4s var(--ease-out);
}

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

/* Base */
* {
  box-sizing: border-box;
}

/* Base Reset */
html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  padding-top: 80px; /* Matched with Navbar height */
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 0;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--accent-blue-hover);
}

/* Utilities */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 25px; /* Aumentado de 20px a 25px para dar más aire en móviles */
}

.section-padding {
  padding: 80px 0;
}

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

/* Buttons Style Apple */
.btn-apple {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 980px;
  font-size: 17px;
  font-weight: 500;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-apple-primary {
  background-color: var(--accent-blue);
  color: white;
}

.btn-apple-primary:hover {
  background-color: var(--accent-blue-hover);
  transform: scale(1.02);
  color: white;
}

.btn-apple-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-apple-secondary:hover {
  background-color: #e8e8ed;
}

.btn-apple-accent {
  background-color: var(--brand-gold);
  color: white;
}

.btn-apple-accent:hover {
  background-color: #b38600;
  transform: scale(1.02);
  color: white;
}

/* Glassmorphism Classes */
.glass {
  background-color: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 10px;
  border: 2px solid var(--bg-secondary);
}
::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* Card Modern Style */
.apple-card {
  background: #fff;
  border-radius: 18px;
  padding: 30px;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 1px solid transparent;
}

.apple-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Navbar Styles - Solid Premium Blue (No image dependency) */
.site-navbar {
  position: fixed !important;
  top: 0 !important;
  left: 0;
  right: 0;
  height: 80px;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2000;
  transition: var(--transition-base);
  
  /* Degradado Sólido Fallback-proof */
  background: linear-gradient(135deg, #001f3f 0%, #003366 100%);
  border-bottom: 2px solid var(--brand-gold);
}

.site-navbar .container {
  z-index: 2;
}

.site-navbar.scrolled {
  height: 70px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.site-logo img {
  height: 54px;
  width: auto;
  transition: var(--transition-base);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.site-nav {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav > li > a, 
.site-nav > li > span {
  font-size: 14px;
  font-weight: 500;
  color: #ffffff; /* Texto blanco para mejor contraste */
  opacity: 0.85;
  cursor: pointer;
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-nav > li > a:hover,
.site-nav > li.menu-dropdown:hover > span {
  opacity: 1;
  color: #ffffff;
  transform: translateY(-2px);
}

/* Dropdown */
.menu-dropdown {
  position: relative;
}

.sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: white;
  min-width: 220px;
  border-radius: 12px;
  padding: 10px;
  box-shadow: var(--shadow-lg);
  display: none;
  opacity: 0;
  transition: var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

@media (min-width: 992px) {
  .btn-apple:hover {
    transform: scale(1.02);
  }
  .menu-dropdown:hover .sub-menu {
    display: block;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.sub-menu li {
  list-style: none;
}

.sub-menu li a {
  display: block;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text-primary);
  border-radius: 8px;
}

.sub-menu li a:hover {
  background-color: var(--bg-secondary);
  color: var(--accent-blue);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  cursor: pointer;
}

.burger-icon span {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: #ffffff;
  margin: 5px 0;
  transition: var(--transition-base);
}

/* Responsive */
@media (max-width: 991px) {
  .site-navbar {
    padding: 0 20px;
  }
  
  .mobile-toggle {
    display: block;
  }

  .site-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #001f3f 0%, #003366 100%); /* Fondo azul acorde al navbar */
    padding: 100px 40px;
    gap: 30px;
    transform: translateX(100%);
    transition: transform 0.6s var(--ease-out);
    z-index: 3000; /* Superior al navbar para cubrirlo al abrirse */
    overflow-y: auto; /* Habilitar scroll si el contenido es largo */
    -webkit-overflow-scrolling: touch; /* Scroll suave en iOS */
  }

  .site-nav.active {
    transform: translateX(0);
  }

  .site-nav > li > a, 
  .site-nav > li > span {
    font-size: 20px;
    font-weight: 500;
    color: #ffffff; /* Asegurar links blancos */
    text-transform: none;
    letter-spacing: 0;
  }

  .sub-menu {
    position: static;
    transform: none;
    display: none;
    opacity: 1;
    box-shadow: none;
    border: none;
    padding-left: 20px;
    margin-top: 15px;
    background: transparent;
  }

  .sub-menu li a {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 16px;
    padding: 12px 0;
    background: transparent !important; /* Evitar fondos blancos de estados hover/active */
    min-width: 0;
  }

  .sub-menu li a:hover, .sub-menu li a:active {
    color: #ffffff !important;
    background: transparent !important;
  }

  .menu-dropdown.open .sub-menu {
    display: block;
  }
}

/* Burger Animation */
.burger-icon.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.burger-icon.active span:nth-child(2) {
  opacity: 0;
}
.burger-icon.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}
/* Hero Styles */
#hero {
  position: relative;
  height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
  overflow: hidden;
  background-color: var(--bg-dark);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000; /* Fondo negro sólido de seguridad */
  background: url('hero.jpg') no-repeat center center/cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.6) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: 0 20px;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.1;
  letter-spacing: -0.04em;
  animation: fadeUp 1s var(--ease-out);
}

.hero-content p {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 400;
  opacity: 0.9;
  margin-bottom: 40px;
  letter-spacing: -0.01em;
  animation: fadeUp 1.2s var(--ease-out);
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Footer Styles */
footer {
  background-color: var(--bg-secondary);
  padding: 80px 0 40px;
  color: var(--text-primary);
  border-top: 1px solid rgba(0,0,0,0.05);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.footer-column h5 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-column p, 
.footer-column ul li {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul li a {
  color: var(--text-secondary);
}

.footer-column ul li a:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  border-top: 1px solid rgba(0,0,0,0.05);
  padding-top: 30px;
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-bottom a {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Seminar and Agenda Cards */
.modern-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  justify-content: center; /* Centrar tarjetas si hay pocas */
  gap: 30px;
  margin-top: 40px;
}

.modern-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  max-width: 400px; /* Evita que se estire demasiado si hay una sola */
}

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

.modern-card-img {
  width: 100%;
  aspect-ratio: 1 / 1; /* Forzar formato cuadrado */
  object-fit: cover;
  transition: var(--transition-base);
}

.modern-card:hover .modern-card-img {
  transform: scale(1.05);
}

.modern-card-body {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.modern-card-body h5 {
  font-size: 19px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.modern-card-body p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.modern-card-footer {
  padding: 0 25px 25px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  text-align: center;
  margin-bottom: 50px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* Inner Page Styles */
.inner-header {
  background-color: var(--bg-secondary);
  padding: 60px 0;
  margin-bottom: 40px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.inner-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.03em;
}

.inner-breadcrumb {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: 15px;
}

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

.page-section {
  padding: 40px 0 80px;
}

.info-card {
  background: white;
  border-radius: 16px;
  padding: 25px;
  border: 1px solid rgba(0,0,0,0.05);
  height: 100%;
}

.info-card h6 {
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 15px;
}

/* Tabs Modern Style */
.nav-tabs-apple {
  border: none !important;
  display: flex !important;
  gap: 10px !important;
  margin-bottom: 30px !important;
  overflow-x: auto !important;
  padding-bottom: 5px !important;
  list-style: none;
  padding-left: 0;
}

.nav-tabs-apple .nav-item {
  margin: 0;
}

.nav-tabs-apple .nav-link {
  border: none !important;
  background: #f0f0f5 !important;
  color: var(--text-secondary) !important;
  border-radius: 100px !important;
  padding: 10px 24px !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  transition: var(--transition-base) !important;
}

.nav-tabs-apple .nav-link.active {
  background: var(--accent-blue) !important;
  color: white !important;
}

.nav-tabs-apple .nav-link:hover:not(.active) {
  background: #e1e1e6 !important;
}

/* Transparente Virtual Modernization */
.transparente-container .nav-pills {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 15px;
    gap: 12px;
}

.transparente-container .nav-pills::-webkit-scrollbar {
    display: none;
}

.transparente-container .btn-apple-secondary {
    white-space: nowrap;
    border: 1px solid rgba(0,0,0,0.05);
}

/* Rediseño de Acordeón Transparente */
.transparente-accordion {
    --bs-accordion-bg: transparent;
    --bs-accordion-border-color: transparent;
}

.transparente-accordion .accordion-item {
    background: white;
    border: 1px solid rgba(0,0,0,0.04) !important;
    border-radius: 18px !important;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.transparente-accordion .accordion-button {
    padding: 24px;
    border-radius: 18px !important;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent !important;
}

.transparente-accordion .accordion-button:not(.collapsed) {
    color: var(--accent-blue);
    border-bottom: 1px solid rgba(0,0,0,0.03);
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

.transparente-accordion .accordion-button::after {
    background-size: 1rem;
    transition: transform 0.3s var(--ease-out);
}

.transparente-accordion .category-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--bg-secondary);
    color: var(--brand-blue);
    border-radius: 10px;
    margin-right: 15px;
    font-size: 1.2rem;
}

.transparente-accordion .accordion-body {
    padding: 24px;
}

/* Document Cards inside Transparente */
.doc-link-card {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    background: var(--bg-secondary);
    border-radius: 14px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
    border: 1px solid transparent;
    transition: var(--transition-base);
}

.doc-link-card:hover {
    background: #fff;
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.doc-icon-box {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-right: 12px;
    font-size: 1.1rem;
}

.doc-icon-pdf { background: rgba(255, 59, 48, 0.1); color: #ff3b30; }
.doc-icon-link { background: rgba(0, 113, 227, 0.1); color: #0071e3; }

/* Mobile Optimizations */
/* Mobile Optimizations & Refinements */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }

    .site-navbar {
        height: 70px;
        padding: 0 20px;
    }

    .section-padding {
        padding: 50px 0; /* Reducido de 80px */
    }

    .section-title {
        font-size: 1.8rem;
        text-align: left; /* Alineación a la izquierda para evitar desperdicio de espacio central */
        margin-bottom: 30px;
    }

    .apple-card, .modern-card-body, .info-card, .resident-card-modern {
        padding: 20px !important; /* Menos relleno interno para ganar espacio de texto */
    }

    .modern-grid {
        grid-template-columns: 1fr; /* Una sola columna en móviles para evitar tarjetas demasiado estrechas */
        gap: 20px;
    }

    .hero-content {
        text-align: left; /* Alineación a la izquierda en Hero para consistencia */
        padding: 0 25px; /* Restaurado y ajustado para móviles */
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    /* Fix for containers with rounded corners on mobile */
    .container[style*="border-radius"] {
        border-radius: 20px !important; /* Más sutil en móvil */
        margin-left: 10px !important;
        margin-right: 10px !important;
        width: calc(100% - 20px) !important;
    }

    .footer-top {
        gap: 20px;
    }
    .inner-header {
        padding: 40px 0;
        text-align: left;
    }

    /* Accordion adjustments for Mobile */
    .transparente-accordion .accordion-button {
        padding: 18px;
        font-size: 15px;
    }
    
    /* Disable justified text on mobile for better readability */
    [style*="text-align: justify"], .text-justify {
        text-align: left !important;
    }

    .transparente-accordion .category-indicator {
        width: 32px;
        height: 32px;
        font-size: 1rem;
        margin-right: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        /* Usar padding lateral solamente para no pisar el vertical de otras clases */
        padding-left: 25px !important;
        padding-right: 25px !important;
    }
    
    .section-title {
        font-size: 1.6rem;
    }

    /* Asegurar que el padding vertical se mantenga */
    .section-padding {
        padding-top: 60px !important;
        padding-bottom: 60px !important;
    }

    /* Ajuste para que las tarjetas no se sientan tan al borde dentro de la grilla */
    .modern-grid {
        gap: 25px;
    }
}

/* Inner Accordion (Level 2 - Items) */
.transparente-inner-accordion {
    --bs-accordion-bg: transparent;
    --bs-accordion-border-color: transparent;
}

.transparente-inner-accordion .accordion-item {
    background: var(--bg-secondary) !important;
    border: none !important;
    border-radius: 12px !important;
    margin-bottom: 8px;
    box-shadow: none !important;
}

.transparente-inner-accordion .accordion-item:hover {
    background: #ededf0 !important;
    transform: none;
    box-shadow: none !important;
}

.transparente-inner-accordion .accordion-button {
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 12px !important;
    background: transparent !important;
    color: var(--text-primary);
}

.transparente-inner-accordion .accordion-button:not(.collapsed) {
    color: var(--accent-blue);
    font-weight: 600;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

.transparente-inner-accordion .accordion-body {
    padding: 16px 20px;
}