/* ==========================================================================
   ANEEA - style.css (Modern Design System & Layouts)
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Montserrat:wght@500;600;700;800&display=swap');

/* Color & Token Definitions */
:root {
  /* Font Families */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Montserrat', sans-serif;

  /* HSL Color System */
  --hue-navy: 214;
  --hue-teal: 204;
  --hue-gold: 38;

  /* Theme: Light (Default) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.75);
  --border-glass: rgba(255, 255, 255, 0.4);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --brand-primary: hsl(var(--hue-navy), 73%, 19%); /* Deep Navy */
  --brand-secondary: hsl(var(--hue-teal), 72%, 36%); /* Teal */
  --brand-accent: hsl(var(--hue-gold), 79%, 57%); /* Gold */
  
  --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
  --modal-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  --header-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);

  /* Utilities */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --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);

  --max-width: 1280px;
}

/* Theme Override: Dark Mode */
[data-theme="dark"] {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-glass: rgba(255, 255, 255, 0.05);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;

  --brand-primary: hsl(var(--hue-navy), 70%, 45%);
  --brand-secondary: hsl(var(--hue-teal), 70%, 50%);
  
  --card-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.5);
  --modal-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --header-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.3);
}

/* System Dark Mode Fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #090d16;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --bg-glass: rgba(15, 23, 42, 0.65);
    --border-glass: rgba(255, 255, 255, 0.05);

    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;

    --brand-primary: hsl(var(--hue-navy), 70%, 45%);
    --brand-secondary: hsl(var(--hue-teal), 70%, 50%);
    
    --card-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.5);
    --modal-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    --header-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.3);
  }
}

/* ==========================================================================
   Resets & Base Styles
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

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

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

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--header-shadow);
  transition: height var(--transition-normal), background-color var(--transition-normal), box-shadow var(--transition-normal);
  height: 90px;
}

header.is-scrolled {
  height: 70px;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  width: 50px;
  height: auto;
  transition: transform var(--transition-normal);
}

header.is-scrolled .logo-img {
  width: 42px;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  color: var(--brand-primary);
  display: flex;
  flex-direction: column;
}

.logo-subtext {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
}

/* Navigation Links */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--brand-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--brand-accent);
  transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Header Controls */
.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.btn-primary {
  background-color: var(--brand-accent);
  color: hsl(var(--hue-navy), 73%, 12%);
}

.btn-primary:hover {
  background-color: hsl(var(--hue-gold), 85%, 50%);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(229, 169, 60, 0.3);
}

.btn-secondary {
  background-color: var(--brand-primary);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: hsl(var(--hue-navy), 73%, 25%);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(13, 44, 84, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--brand-secondary);
  color: var(--brand-secondary);
}

.btn-outline:hover {
  background-color: var(--brand-secondary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Theme Switcher Button */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  color: var(--brand-primary);
}

.theme-toggle svg {
  width: 22px;
  height: 22px;
}

/* Mobile Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  padding: 0.5rem;
}

/* ==========================================================================
   Mobile Navigation Drawer (Glassmorphism Overlay)
   ========================================================================= */

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100vh;
  z-index: 200;
  background-color: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-glass);
  box-shadow: var(--modal-shadow);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
  transition: right var(--transition-slow);
}

.mobile-drawer.is-open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-drawer-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  padding: 0.5rem;
}

.mobile-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--brand-primary);
  padding-left: 0.5rem;
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(9, 13, 22, 0.4);
  backdrop-filter: blur(4px);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Global Layout Containers & Typography Utilities
   ========================================================================== */

main {
  margin-top: 90px;
  min-height: calc(100vh - 90px - 250px);
}

.section {
  padding: 6rem 2rem;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4rem auto;
}

.section-title {
  font-size: 2.25rem;
  color: var(--brand-primary);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--brand-accent);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Glass Card styling */
.glass-card {
  background-color: var(--bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-fast);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px -5px rgba(15, 23, 42, 0.12);
  border-color: var(--brand-secondary);
}

/* ==========================================================================
   Animations & Scroll-Reveal
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

/* ==========================================================================
   Home Page specific styling
   ========================================================================== */

/* Hero Section */
.hero {
  position: relative;
  padding: 8rem 2rem 6rem 2rem;
  background: linear-gradient(135deg, hsl(var(--hue-navy), 60%, 15%) 0%, hsl(var(--hue-navy), 80%, 8%) 100%);
  color: #ffffff;
  overflow: hidden;
}

/* Decorative glowing circles behind Hero */
.hero-glow-1 {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 101, 158, 0.3) 0%, transparent 70%);
  filter: blur(60px);
  z-index: 1;
}

.hero-glow-2 {
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 40vw;
  height: 40vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(229, 169, 60, 0.15) 0%, transparent 70%);
  filter: blur(60px);
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 4rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-content h1 span {
  color: var(--brand-accent);
}

.hero-content p {
  font-size: 1.2rem;
  color: #cbd5e1;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-container {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 0.5rem;
  width: 100%;
  max-width: 450px;
  height: auto;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 0.25rem);
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-image-container:hover .hero-image {
  transform: scale(1.03);
}

/* Quick Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-secondary);
  margin-bottom: 1.5rem;
}

.feature-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

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

/* ==========================================================================
   Sobre (About) Page Styling
   ========================================================================== */

.tabs-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.tab-nav {
  display: flex;
  justify-content: center;
  list-style: none;
  border-bottom: 2px solid var(--border-glass);
  padding-bottom: 0.5rem;
  gap: 3rem;
}

.tab-btn {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

.tab-btn:hover, .tab-btn.is-active {
  color: var(--brand-primary);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 0;
  height: 4px;
  background-color: var(--brand-accent);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.tab-btn.is-active::after {
  width: 100%;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-panel.is-active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mission tab styles */
.mission-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.mission-text p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.goals-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.goals-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 1.05rem;
}

.goals-list li svg {
  color: var(--brand-secondary);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

/* Board Members Tab */
.board-section {
  margin-bottom: 4rem;
}

.board-title {
  font-size: 1.6rem;
  color: var(--brand-primary);
  margin-bottom: 2rem;
  border-left: 4px solid var(--brand-accent);
  padding-left: 1rem;
}

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

.member-card {
  text-align: center;
  padding: 3rem 2rem;
}

.member-avatar {
  width: 90px;
  height: 90px;
  background-color: var(--bg-tertiary);
  border-radius: 50%;
  margin: 0 auto 1.5rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-secondary);
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.05);
}

.member-name {
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
}

.member-role {
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--brand-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

/* Bylaws (Estatutos) Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.accordion-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  background-color: var(--bg-secondary);
  box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.03);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-secondary);
  border: none;
  cursor: pointer;
  padding: 1.5rem;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--bg-tertiary);
}

.accordion-icon {
  transition: transform var(--transition-normal);
  color: var(--brand-secondary);
}

.accordion-item.is-open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 1.5rem;
  border-top: 1px solid var(--border-glass);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
}

.accordion-content p {
  margin-bottom: 1rem;
}

.accordion-content ul {
  list-style: none;
  padding-left: 1rem;
}

.accordion-content li {
  position: relative;
  margin-bottom: 0.5rem;
}

.accordion-content li::before {
  content: '•';
  color: var(--brand-accent);
  position: absolute;
  left: -15px;
  font-weight: bold;
}

/* ==========================================================================
   Formação & Eventos Styling
   ========================================================================== */

.filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.is-active {
  background-color: var(--brand-secondary);
  color: #ffffff;
  border-color: var(--brand-secondary);
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
}

.event-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.event-visual {
  height: 200px;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-secondary);
  position: relative;
}

.event-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background-color: var(--brand-accent);
  color: hsl(var(--hue-navy), 73%, 12%);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
}

.event-badge.finished {
  background-color: var(--text-muted);
  color: #ffffff;
}

.event-details {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.event-meta {
  display: flex;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.event-meta span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.event-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--brand-primary);
  line-height: 1.3;
}

.event-card-desc {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 0.95rem;
  flex-grow: 1;
}

/* ==========================================================================
   Revista (Journal) Page Styling
   ========================================================================== */

.magazine-header {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 6rem;
}

.magazine-search {
  max-width: 600px;
  margin: 0 auto 4rem auto;
  display: flex;
  gap: 0.75rem;
  background-color: var(--bg-secondary);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  box-shadow: var(--card-shadow);
}

.magazine-search input {
  flex-grow: 1;
  border: none;
  background: transparent;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
}

.magazine-search input:focus {
  outline: none;
}

.magazine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
}

.magazine-card {
  padding: 0;
  overflow: hidden;
  height: 100%;
}

.magazine-cover {
  height: 350px;
  background: linear-gradient(135deg, hsl(var(--hue-navy), 60%, 20%) 0%, hsl(var(--hue-navy), 80%, 12%) 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.magazine-cover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 15px;
  height: 100%;
  background: rgba(255,255,255,0.06);
  box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

.magazine-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--brand-accent);
}

.magazine-volume {
  font-size: 0.85rem;
  color: #cbd5e1;
}

.magazine-vol-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
}

.magazine-info {
  padding: 2rem;
}

.magazine-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--brand-primary);
}

.magazine-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Faz-te Associado (Membership) Multi-step Form Styling
   ========================================================================== */

.form-layout {
  max-width: 800px;
  margin: 0 auto;
}

/* Progress Stepper */
.stepper {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: 4rem;
}

.stepper::before {
  content: '';
  position: absolute;
  top: 25px;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--bg-tertiary);
  z-index: 1;
}

.stepper-progress {
  position: absolute;
  top: 25px;
  left: 0;
  width: 0%;
  height: 4px;
  background-color: var(--brand-secondary);
  z-index: 2;
  transition: width var(--transition-normal);
}

.step-indicator {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.step-number {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 4px solid var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: all var(--transition-normal);
}

.step-indicator.active .step-number {
  border-color: var(--brand-secondary);
  background-color: var(--bg-secondary);
  color: var(--brand-secondary);
  box-shadow: 0 0 0 6px rgba(26, 101, 158, 0.15);
}

.step-indicator.completed .step-number {
  border-color: var(--brand-secondary);
  background-color: var(--brand-secondary);
  color: #ffffff;
}

.step-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
}

.step-indicator.active .step-label {
  color: var(--brand-primary);
  font-weight: 700;
}

/* Form Containers */
.form-step {
  display: none;
  animation: fadeIn 0.4s ease;
}

.form-step.active {
  display: block;
}

.form-step h3 {
  font-size: 1.5rem;
  color: var(--brand-primary);
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 0.75rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group-full {
  grid-column: span 2;
}

/* Custom form elements styling with :has() parent styling */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.form-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-label .required {
  color: hsl(0, 79%, 57%);
  margin-left: 0.25rem;
}

/* Form Fields */
.form-input {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--brand-secondary);
  box-shadow: 0 0 0 4px rgba(26, 101, 158, 0.1);
}

/* Dynamic styling for modern form validations */
/* Triggering only after initial user interaction (:user-valid / :user-invalid) */
.form-input:user-invalid {
  border-color: hsl(0, 79%, 60%);
  background-color: rgba(220, 38, 38, 0.02);
}

.form-input:user-valid {
  border-color: hsl(142, 70%, 45%);
}

.form-group:has(.form-input:user-invalid) .form-label {
  color: hsl(0, 79%, 55%);
}

.form-group:has(.form-input:user-valid) .form-label {
  color: hsl(142, 70%, 35%);
}

/* Inline Validation Message */
.form-error {
  font-size: 0.8rem;
  color: hsl(0, 79%, 57%);
  margin-top: 0.25rem;
  display: none;
  animation: slideDown var(--transition-fast);
}

.form-group:has(.form-input:user-invalid) .form-error {
  display: block;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Custom Checkbox/Radio styling */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--border-glass);
  accent-color: var(--brand-secondary);
  margin-top: 0.2rem;
  cursor: pointer;
}

/* Step navigation buttons container */
.form-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
}

/* Payment visual cards */
.payment-methods {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.payment-card {
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  background-color: var(--bg-secondary);
}

.payment-card:hover {
  border-color: var(--brand-secondary);
  background-color: var(--bg-tertiary);
}

.payment-card.selected {
  border-color: var(--brand-secondary);
  background-color: rgba(26, 101, 158, 0.05);
  box-shadow: 0 0 0 3px rgba(26, 101, 158, 0.1);
}

.payment-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
}

.payment-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Contactos Page Styling
   ========================================================================== */

.contacts-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contacts-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-card {
  display: flex;
  gap: 1.25rem;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-secondary);
  flex-shrink: 0;
}

.contact-info-content h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
  color: var(--brand-primary);
}

.contact-info-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-map-placeholder {
  height: 250px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  gap: 1rem;
  box-shadow: var(--card-shadow);
}

/* ==========================================================================
   Footer Styling
   ========================================================================== */

footer {
  background: linear-gradient(135deg, hsl(var(--hue-navy), 73%, 12%) 0%, hsl(var(--hue-navy), 73%, 8%) 100%);
  color: #ffffff;
  padding: 5rem 2rem 2rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-col h3 {
  color: #ffffff;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--brand-accent);
  border-radius: 2px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: #ffffff;
}

.footer-logo-text span {
  color: var(--brand-accent);
}

.footer-about p {
  color: #cbd5e1;
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.footer-social-links {
  display: flex;
  gap: 1rem;
}

.footer-social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  transition: all var(--transition-fast);
}

.footer-social-btn:hover {
  background-color: var(--brand-accent);
  color: hsl(var(--hue-navy), 73%, 12%);
  border-color: var(--brand-accent);
  transform: translateY(-3px);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--brand-accent);
  padding-left: 0.35rem;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #94a3b8;
}

/* ==========================================================================
   Media Queries & Responsiveness
   ========================================================================== */

@media (max-width: 1024px) {
  .hero {
    padding: 7rem 1.5rem 5rem 1.5rem;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-image-container {
    max-width: 350px;
  }
  
  .contacts-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  header {
    height: 75px;
  }
  
  header.is-scrolled {
    height: 75px;
  }
  
  .nav-menu, .header-controls .btn {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }

  .hero {
    padding: 5.5rem 1rem 3.5rem 1rem;
  }

  .hero-container {
    gap: 1.75rem;
  }

  .hero-image-container {
    max-width: 180px;
    border-radius: var(--radius-md);
    padding: 0.35rem;
  }
  
  .section {
    padding: 4rem 1.5rem;
  }
  
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .tab-nav {
    gap: 1.5rem;
  }
  
  .tab-btn {
    font-size: 0.95rem;
  }
  
  .mission-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group-full {
    grid-column: span 1;
  }
  
  .payment-methods {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* Responsive glass card and event card padding */
  .glass-card {
    padding: 1.5rem;
  }

  .event-details {
    padding: 1.5rem;
  }

  /* Responsive Stepper and Form styling */
  .step-number {
    width: 40px;
    height: 40px;
    font-size: 0.95rem;
    border-width: 3px;
  }
  
  .stepper::before, .stepper-progress {
    top: 18px;
    height: 3px;
  }
  
  .step-label {
    font-size: 0.75rem;
  }
  
  .stepper {
    margin-bottom: 2.5rem;
  }

  /* Responsive filters and filter buttons */
  .filters {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

/* --- 9. Dynamic Loading & Spinners --- */
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--bg-tertiary);
  border-top-color: var(--brand-secondary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.loading-spinner-container, .error-container {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 0;
  text-align: center;
}

.error-container svg {
  color: hsl(0, 79%, 57%);
  margin-bottom: 1rem;
}

/* ==========================================================================
   10. Dashboard & Toast Styles
   ========================================================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 992px) {
  .dashboard-grid {
    grid-template-columns: 380px 1fr;
  }
}

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 9999;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 320px;
  max-width: 450px;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-primary);
  transform: translateY(30px);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.toast-success {
  border-left: 4px solid #10b981;
}
.toast-success .toast-icon {
  background-color: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.toast-error {
  border-left: 4px solid #ef4444;
}
.toast-error .toast-icon {
  background-color: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.toast-info {
  border-left: 4px solid var(--brand-secondary);
}
.toast-info .toast-icon {
  background-color: rgba(26, 101, 158, 0.15);
  color: var(--brand-secondary);
}

.toast-content {
  flex-grow: 1;
}

.toast-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
  color: var(--text-primary);
}

.toast-message {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

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