/* 
 * CineLinux Theme - Main Base Stylesheet
 * ----------------------------------------------------
 * Driven by the CineLinux design guidelines.
 * Features a modern, responsive layout, cinema-inspired 
 * typography, and custom light/dark theme variables.
 */

/* ==========================================================================
   1. GOOGLE FONTS IMPORT
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Gemunu+Libre:wght@400;500;600;700;800&family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');

/* ==========================================================================
   2. DESIGN SYSTEM & CSS VARIABLES
   ========================================================================== */
:root {
  /* Brand Colors from documentation.md */
  --color-principal: #22113B; /* Deep violet-purple */
  --color-destacada: #602CB9; /* Vibrant theme purple */
  --color-light: #E8E6F4;     /* Crisp light lavender grey */
  --color-dark: #120B28;      /* Deep midnight-purple / dark body */

  /* Light Theme Colors (Default) */
  --bg-body: var(--color-light);
  --bg-card: #ffffff;
  --bg-navbar: #ffffff;
  --bg-input: #ffffff;
  --text-primary: var(--color-dark);
  --text-secondary: rgba(18, 11, 40, 0.7);
  --text-muted: rgba(18, 11, 40, 0.5);
  
  --border-color: rgba(34, 17, 59, 0.12);
  --border-focus: var(--color-destacada);
  
  /* Primary Action Colors */
  --primary: var(--color-principal);
  --accent: var(--color-destacada);
  --accent-hover: #4b1f96;
  --accent-rgb: 96, 44, 185;

  /* Typography */
  --font-title: 'Gemunu Libre', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(18, 11, 40, 0.04);
  --shadow-md: 0 8px 20px rgba(18, 11, 40, 0.08);
  --shadow-lg: 0 16px 36px rgba(18, 11, 40, 0.12);
  --shadow-glow: 0 0 15px rgba(96, 44, 185, 0.2);

  /* Borders & Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

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

/* Dark Theme Variables */
body.dark-mode {
  --bg-body: var(--color-dark);
  --bg-card: #1c1236;
  --bg-navbar: #120b28;
  --bg-input: #170d30;
  --text-primary: var(--color-light);
  --text-secondary: rgba(232, 230, 244, 0.75);
  --text-muted: rgba(232, 230, 244, 0.5);

  --border-color: rgba(232, 230, 244, 0.1);
  --border-focus: #8352db;

  --primary: var(--color-destacada);
  --accent: var(--color-light);
  --accent-hover: #ffffff;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(96, 44, 185, 0.45);
}

/* ==========================================================================
   3. RESETS & CORE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Typography Resets using Gemunu Libre for Titles */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-title);
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-top: 0;
  margin-bottom: 0.75rem;
  transition: color var(--transition-normal);
}

h1, .h1 { font-size: 3rem; font-weight: 800; line-height: 1.1; }
h2, .h2 { font-size: 2.25rem; font-weight: 700; line-height: 1.2; }
h3, .h3 { font-size: 1.75rem; font-weight: 600; line-height: 1.25; }
h4, .h4 { font-size: 1.35rem; font-weight: 600; }
h5, .h5 { font-size: 1.15rem; font-weight: 500; }
h6, .h6 { font-size: 0.95rem; font-weight: 500; }

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

body.dark-mode a {
  color: #8f5beb;
}

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

p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

/* Selection colors */
::selection {
  background-color: var(--color-destacada);
  color: #ffffff;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
  background: var(--color-principal);
  border-radius: var(--radius-sm);
  border: 2px solid var(--bg-body);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-destacada);
}

/* ==========================================================================
   4. NAVIGATION (NAVBAR)
   ========================================================================== */
.cinelinux-navbar {
  background-color: var(--bg-navbar);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 1030;
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.cinelinux-navbar.scrolled {
  background-color: rgba(18, 11, 40, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
}

body.dark-mode .cinelinux-navbar.scrolled {
  background-color: rgba(18, 11, 40, 0.98);
}

/* Navbar Logo */
.cinelinux-brand {
  font-family: var(--font-title);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.cinelinux-brand span {
  color: var(--color-destacada);
  position: relative;
}

.cinelinux-brand span::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-destacada);
  border-radius: var(--radius-full);
}

/* Image Logos Styling & Toggling */
.cinelinux-brand img {
  max-height: 38px;
  width: auto;
  transition: opacity var(--transition-normal);
}

/* Default state: Light mode with no scroll */
.logo-colored {
  display: block;
}

.logo-white {
  display: none;
}

/* Fallback image filter if white logo is not provided but colored is (tries to make it white/light) */
.logo-white-fallback {
  filter: brightness(0) invert(1);
}

/* Dark state toggling: when dark mode is active OR navbar is scrolled */
body.dark-mode .logo-colored,
.cinelinux-navbar.scrolled .logo-colored {
  display: none !important;
}

body.dark-mode .logo-white,
.cinelinux-navbar.scrolled .logo-white {
  display: block !important;
}

/* Fallback text visibility */
.logo-text-fallback {
  display: inline-block;
}

body.dark-mode .logo-text-fallback,
.cinelinux-navbar.scrolled .logo-text-fallback {
  display: none !important;
}

/* Menu Links */
.cinelinux-menu {
  gap: 1.75rem; /* Gap on desktop */
}

.cinelinux-menu > .menu-item > a {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 0;
  position: relative;
  white-space: nowrap;
  display: inline-block;
}

.cinelinux-menu > .menu-item > a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-destacada);
  transition: width var(--transition-fast);
}

.cinelinux-menu > .menu-item > a:hover,
.cinelinux-menu > .menu-item.current-menu-item > a {
  color: var(--text-primary);
}

.cinelinux-menu > .menu-item > a:hover::before,
.cinelinux-menu > .menu-item.current-menu-item > a::before {
  width: 100%;
}

/* Navbar Scrolled State Colors */
.cinelinux-navbar.scrolled .cinelinux-brand,
.cinelinux-navbar.scrolled .cinelinux-menu > .menu-item > a:hover,
.cinelinux-navbar.scrolled .cinelinux-menu > .menu-item.current-menu-item > a {
  color: #ffffff !important;
}

.cinelinux-navbar.scrolled .cinelinux-menu > .menu-item > a {
  color: rgba(232, 230, 244, 0.75);
}

/* Dropdown Menu Styles */
.cinelinux-navbar .dropdown-menu {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0;
  margin-top: 0;
}

.cinelinux-navbar .dropdown-item {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 1.5rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.cinelinux-navbar .dropdown-item:hover,
.cinelinux-navbar .dropdown-item:focus {
  background-color: var(--border-color);
  color: var(--text-primary);
}


/* Theme Switcher and Search Icon Buttons */
.btn-control {
  background: none;
  border: 1px solid var(--border-color);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.2rem;
  position: relative;
  overflow: hidden;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn-control:hover {
  background-color: var(--border-color);
  color: var(--color-destacada);
  transform: translateY(-2px);
}

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

.cinelinux-navbar.scrolled .btn-control {
  color: #ffffff;
  border-color: rgba(232, 230, 244, 0.1);
}

.cinelinux-navbar.scrolled .btn-control:hover {
  background-color: rgba(232, 230, 244, 0.1);
  color: var(--color-destacada);
}

.cinelinux-navbar.scrolled .navbar-toggler i {
  color: #ffffff !important;
}

/* Theme icon toggle */
.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

body.dark-mode .theme-toggle .icon-sun {
  display: block;
  color: #ffc107;
}

body.dark-mode .theme-toggle .icon-moon {
  display: none;
}



/* ==========================================================================
   5. SEARCH OVERLAY (MODAL WITH BLUR)
   ========================================================================== */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(18, 11, 40, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  width: 90%;
  max-width: 700px;
  background-color: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
}

.search-overlay.active .search-container {
  transform: scale(1) translateY(0);
}

/* Elegant Close Button */
.search-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.search-close:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
}

/* Form Search Input Box */
.search-form-overlay {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 1.5rem;
}

.search-input-overlay {
  width: 100%;
  padding: 1.15rem 4.5rem 1.15rem 1.5rem;
  font-size: 1.2rem;
  background-color: var(--bg-input);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  outline: none;
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input-overlay:focus {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-glow);
}

.search-submit-overlay {
  position: absolute;
  right: 8px;
  background-color: var(--color-destacada);
  border: none;
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.search-submit-overlay:hover {
  background-color: var(--accent-hover);
  transform: scale(1.02);
}

.search-instructions {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

/* ==========================================================================
   6. CARDS & GRID LAYOUTS (FOR POSTS)
   ========================================================================== */
.post-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(96, 44, 185, 0.3);
}

.post-card-img-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background-color: var(--color-principal);
}

.post-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.post-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--color-destacada);
  color: #ffffff;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 10px rgba(96, 44, 185, 0.3);
}

.post-card-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.post-card-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.post-card-meta i {
  color: var(--color-destacada);
}

.post-card-title {
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
  line-height: 1.25;
}

.post-card-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.post-card-link {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}

.post-card-link i {
  transition: transform var(--transition-fast);
}

.post-card:hover .post-card-link i {
  transform: translateX(4px);
}

/* ==========================================================================
   7. FOOTER STYLING
   ========================================================================== */
.cinelinux-footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  border-top: 2px solid var(--color-destacada);
  transition: background-color var(--transition-normal);
}

/* Partner Logo Section (Superior container) */
.footer-partners {
  padding: 3rem 0;
  border-bottom: 1px solid rgba(232, 230, 244, 0.1);
  background-color: rgba(18, 11, 40, 0.3);
  text-align: center;
}

.footer-partners-title {
  font-size: 1.25rem;
  color: var(--color-light);
  margin-bottom: 2rem;
  opacity: 0.8;
  letter-spacing: 0.1em;
}

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 3.5rem;
  opacity: 0.7;
}

.partner-logo {
  max-height: 45px;
  /* Convert to grayscale, then use sepia and hue-rotate to tint it towards the Light color #E8E6F4 */
  filter: grayscale(100%) brightness(150%) sepia(20%) hue-rotate(220deg) saturate(30%);
  opacity: 0.8;
  transition: filter var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
}

.partner-logo:hover {
  /* Make it completely white on hover */
  filter: grayscale(100%) brightness(200%);
  opacity: 1;
  transform: scale(1.05);
}

/* Footer Bottom Section (Inferior container - 3 columns) */
.footer-widgets {
  padding: 4.5rem 0 3rem 0;
}

.footer-widgets .widget-title {
  color: #ffffff;
  font-size: 1.5rem;
  margin-bottom: 1.75rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-widgets .widget-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 45px;
  height: 3px;
  background-color: var(--color-destacada);
  border-radius: var(--radius-full);
}

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

.footer-widget-column ul li {
  margin-bottom: 0.85rem;
}

.footer-widget-column ul li a {
  color: rgba(232, 230, 244, 0.7);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-widget-column ul li a:hover {
  color: #ffffff;
  padding-left: 6px;
}

/* Footer Copyright Area */
.footer-copyright {
  background-color: rgba(0, 0, 0, 0.4);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(232, 230, 244, 0.5);
  border-top: 1px solid rgba(232, 230, 244, 0.05);
}

.footer-copyright a {
  color: var(--color-light);
  font-weight: 600;
}

.footer-copyright a:hover {
  color: #ffffff;
}

/* ==========================================================================
   8. MODERN UI BUTTONS & INPUT ELEMENTS
   ========================================================================== */
.btn-cinelinux {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-cinelinux-primary {
  background-color: var(--color-destacada);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(96, 44, 185, 0.35);
}

.btn-cinelinux-primary:hover {
  background-color: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(96, 44, 185, 0.5);
}

.btn-cinelinux-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-cinelinux-secondary:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* Form styling overrides */
.form-control-cinelinux {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control-cinelinux:focus {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-glow);
  outline: none;
}

/* ==========================================================================
   9. UTILITY CLASSES
   ========================================================================== */
.bg-principal { background-color: var(--color-principal) !important; }
.bg-destacada { background-color: var(--color-destacada) !important; }
.bg-light     { background-color: var(--color-light) !important; }
.bg-dark      { background-color: var(--color-dark) !important; }

.text-principal { color: var(--color-principal) !important; }
.text-destacada { color: var(--color-destacada) !important; }
.text-light     { color: var(--color-light) !important; }
.text-dark      { color: var(--color-dark) !important; }

.font-title { font-family: var(--font-title) !important; }
.font-body  { font-family: var(--font-body) !important; }

.glassmorphism {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .glassmorphism {
  background: rgba(18, 11, 40, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   10. RESPONSIVE DESIGN ADJUSTMENTS
   ========================================================================== */
@media (max-width: 991.98px) {
  h1, .h1 { font-size: 2.5rem; }
  h2, .h2 { font-size: 1.95rem; }
  h3, .h3 { font-size: 1.5rem; }

  /* Mobile menu: stacked list, left-aligned */
  .cinelinux-menu {
    gap: 0;
    margin-top: 1rem;
    width: 100%;
  }

  .cinelinux-menu .menu-item {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
  }

  .cinelinux-menu .menu-item:first-child {
    border-top: 1px solid var(--border-color);
  }

  .cinelinux-menu > .menu-item > a {
    display: block;
    padding: 0.85rem 0.5rem;
    font-size: 1.15rem;
  }

  .cinelinux-menu > .menu-item > a::before {
    /* Remove underline animation on mobile — not needed for block links */
    display: none;
  }

  .cinelinux-navbar .dropdown-menu {
    border: none;
    box-shadow: none;
    background-color: transparent;
    padding-left: 1rem;
    margin-top: 0;
  }
}

@media (max-width: 767.98px) {
  h1, .h1 { font-size: 2.15rem; }
  h2, .h2 { font-size: 1.65rem; }
  
  .partners-grid {
    gap: 2rem;
  }
}