/* ============================================
   FightHub — Design System & Base Styles
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---- CSS Custom Properties (Dark Mode Default) ---- */
:root {
  /* Colors - Dark Theme */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-card: #161616;
  --bg-card-hover: #1e1e1e;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-border: rgba(255, 255, 255, 0.08);
  --bg-input: #1a1a1a;
  --bg-input-focus: #222222;
  
  /* Accent */
  --accent: #e63946;
  --accent-hover: #ff2d55;
  --accent-light: rgba(230, 57, 70, 0.15);
  --accent-gradient: linear-gradient(135deg, #e63946, #ff2d55);
  --accent-gradient-hover: linear-gradient(135deg, #ff2d55, #ff6b81);
  
  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --text-muted: #888888;
  --text-dim: #555555;
  
  /* Borders */
  --border-color: #2a2a2a;
  --border-light: #333333;
  --border-accent: var(--accent);
  
  /* Status Colors */
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(230, 57, 70, 0.3);
  --shadow-glow-strong: 0 0 40px rgba(230, 57, 70, 0.4);
  
  /* Typography */
  --font-heading: 'Bebas Neue', Impact, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-navbar: 1000;
  --z-modal-backdrop: 1500;
  --z-modal: 2000;
  --z-toast: 3000;
  
  /* Container */
  --container-max: 1280px;
  --container-narrow: 960px;
  --navbar-height: 124px;      /* at the top of the page (large logo) */
  --navbar-compact: 76px;      /* after scrolling */
}

/* ---- Light Mode ---- */
[data-theme="light"] {
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8e8e8;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f0f0;
  --bg-glass: rgba(0, 0, 0, 0.02);
  --bg-glass-border: rgba(0, 0, 0, 0.08);
  --bg-input: #f0f0f0;
  --bg-input-focus: #e8e8e8;
  --text-primary: #111111;
  --text-secondary: #444444;
  --text-muted: #777777;
  --text-dim: #aaaaaa;
  --border-color: #dddddd;
  --border-light: #cccccc;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px rgba(230, 57, 70, 0.15);
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

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

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  background: var(--bg-input-focus);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

ul, ol {
  list-style: none;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-uppercase { text-transform: uppercase; }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-muted);
}

.section-header .section-line {
  width: 60px;
  height: 4px;
  background: var(--accent-gradient);
  margin: var(--space-md) auto;
  border-radius: 2px;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex {
  display: flex;
}

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

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

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: var(--z-navbar);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bg-glass-border);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.navbar-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.navbar-links a {
  color: var(--text-secondary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.navbar-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: var(--space-sm);
}

.theme-toggle:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: calc(var(--z-navbar) + 10);
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--accent-gradient-hover);
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-2px);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

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

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-light);
}

.card-image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--bg-tertiary);
}

.card-body {
  padding: var(--space-lg);
}

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-glass-border);
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.badge-error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--info);
}

/* ---- Tags ---- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.35rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tag:hover, .tag.active {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border-color);
}

.modal-body {
  padding: var(--space-xl);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--accent-light);
  color: var(--accent);
}

/* ---- Toast ---- */
.toast-container {
  position: fixed;
  top: calc(var(--navbar-height) + 16px);
  right: 16px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 280px;
  animation: slideInRight 0.4s var(--transition-spring);
}

.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error { border-left: 3px solid var(--error); }
.toast.toast-info { border-left: 3px solid var(--info); }

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0;
  margin-bottom: var(--space-xl);
  overflow-x: auto;
}

.tab {
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.footer h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.footer-links a {
  display: block;
  color: var(--text-secondary);
  padding: 0.35rem 0;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-newsletter {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.footer-newsletter input {
  flex: 1;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
}

.footer-newsletter button {
  padding: 0.6rem 1.25rem;
  background: var(--accent-gradient);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
}

/* ---- Animations ---- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* ---- Selection ---- */
::selection {
  background: var(--accent);
  color: #fff;
}

/* ---- Utility Classes ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.w-full { width: 100%; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* Main content offset for fixed navbar */
.main-content {
  padding-top: var(--navbar-height);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: 88px;
    --navbar-compact: 64px;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .navbar-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    padding: calc(var(--navbar-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    transition: right var(--transition-base);
    z-index: var(--z-navbar);
    gap: var(--space-xs);
    align-items: stretch;
    overflow-y: auto;
  }
  
  .navbar-links.active {
    right: 0;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  }
  
  .navbar-links a {
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .flex-between {
    flex-wrap: wrap;
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
  }
  
  .tabs {
    gap: 0;
  }
  
  .tab {
    padding: 0.6rem 0.85rem;
    font-size: 0.8rem;
  }
}

/* ---- Brand logo ---- */
.brand-logo {
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
  flex-shrink: 0;
}
/* Large logo at the top of the page, compact once the page is scrolled */
.navbar-brand .brand-logo {
  width: 110px;
  height: 110px;
  transition: width var(--transition-base), height var(--transition-base);
}
.navbar.scrolled {
  height: var(--navbar-compact);
}
.navbar.scrolled .brand-logo {
  width: 62px;
  height: 62px;
}
.footer-brand .brand-logo {
  width: 96px;
  height: 96px;
}

@media (max-width: 768px) {
  .navbar-brand .brand-logo { width: 72px; height: 72px; }
  .navbar.scrolled .brand-logo { width: 50px; height: 50px; }
}

/* ---- Line icons (js/icons.js) ---- */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.14em;
  flex-shrink: 0;
}

.icon-filled {
  fill: currentColor;
}

.toast-icon {
  display: flex;
  font-size: 1.25rem;
  color: var(--info);
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--error); }
.toast-warning .toast-icon { color: var(--warning, #f5a524); }