:root {
  --primary-color: #3498db;
  --primary-dark: #2980b9;
  --primary-light: #5dade2;
  --secondary-color: #2ecc71;
  --secondary-dark: #27ae60;
  --accent-color: #e74c3c;
  --background-color: #f8f9fa;
  --background-secondary: #ffffff;
  --background-tertiary: #e9ecef;
  --text-color: #2c3e50;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --border-color: #dee2e6;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --shadow-hover: rgba(0, 0, 0, 0.12);
  --overlay-color: rgba(0, 0, 0, 0.6);
  --card-bg: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.95);
  --footer-bg: #1a1a2e;
  
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  --font-family-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  --font-size-hero: 3.5rem;
  
  --shadow-sm: 0 2px 8px var(--shadow-color);
  --shadow-md: 0 4px 16px var(--shadow-color);
  --shadow-lg: 0 8px 32px var(--shadow-color);
  --shadow-xl: 0 16px 48px var(--shadow-color);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 50%;
  
  --header-height: 70px;
  --container-max-width: 1200px;
  --sidebar-width: 300px;
  
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}

[data-theme="dark"] {
  --primary-color: #5dade2;
  --primary-dark: #3498db;
  --primary-light: #85c1e9;
  --secondary-color: #58d68d;
  --secondary-dark: #2ecc71;
  --background-color: #0f0f1a;
  --background-secondary: #1a1a2e;
  --background-tertiary: #252542;
  --text-color: #e9ecef;
  --text-secondary: #adb5bd;
  --text-muted: #6c757d;
  --border-color: #2d2d4a;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --shadow-hover: rgba(0, 0, 0, 0.4);
  --card-bg: #1a1a2e;
  --header-bg: rgba(26, 26, 46, 0.95);
  --footer-bg: #0a0a14;
  
  --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #2d2d4a 50%, #1a1a2e 100%);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--text-color);
  background-color: var(--background-color);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: transparent;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  z-index: var(--z-tooltip);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-sm);
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--background-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--background-tertiary);
  border-top-color: var(--primary-color);
  border-radius: var(--border-radius-full);
  animation: spin 1s linear infinite;
}

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

.loading-text {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: #1a1a2e;
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.header.scrolled {
  background-color: #1a1a2e;
  box-shadow: var(--shadow-md);
}

.logo-link,
.nav-link {
  color: white;
}

.nav-link:hover {
  color: rgba(255, 255, 255, 0.85);
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
  color: white;
  background-color: rgba(255, 255, 255, 0.15);
}

.hamburger-line {
  background-color: white;
}

.theme-toggle {
  background-color: rgba(255, 255, 255, 0.15);
}

.theme-icon {
  color: white;
}

.nav-text,
.logo-text,
.nav-icon {
  color: white !important;
}

.bb8-toggle {
  --toggle-size: 10px;
  --toggle-width: 6.625em;
  --toggle-height: 3.5em;
  --toggle-offset: calc((var(--toggle-height) - var(--bb8-diameter)) / 2);
  --toggle-bg: linear-gradient(#2c4770, #070e2b 35%, #628cac 50% 70%, #a6c5d4) no-repeat;
  --bb8-diameter: 2.7em;
  --radius: 99em;
  --transition: 0.4s;
  --accent: #de7d2f;
  --bb8-bg: #fff;
  cursor: pointer;
  font-size: var(--toggle-size);
  display: flex;
  align-items: center;
}

.bb8-toggle *,
.bb8-toggle *::before,
.bb8-toggle *::after {
  box-sizing: border-box;
}

.bb8-toggle__checkbox {
  appearance: none;
  display: none;
}

.bb8-toggle__container {
  width: var(--toggle-width);
  height: var(--toggle-height);
  background: var(--toggle-bg);
  background-size: 100% 7em;
  background-position-y: -3.5em;
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition);
}

.bb8 {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: absolute;
  top: calc(var(--toggle-offset) - 1.05em + 0.12em);
  left: var(--toggle-offset);
  transition: var(--transition);
  z-index: 2;
}

.bb8__head-container {
  position: relative;
  transition: var(--transition);
  z-index: 2;
  transform-origin: 0.78em 2.34em;
}

.bb8__head{
  overflow: hidden;
  margin-bottom: -0.12em;
  width: 1.56em;
  height: 1.05em;
  background: linear-gradient(transparent 0.04em, dimgray 0.04em 0.2em, transparent 0.2em 0.23em, var(--accent) 0.23em 0.31em, transparent 0.31em 0.82em, silver 0.82em 0.9em, transparent 0.9em),
    linear-gradient(45deg, transparent 0.12em, var(--bb8-bg) 0.12em 0.78em, transparent 0.78em),
    linear-gradient(-45deg, transparent 0.12em, var(--bb8-bg) 0.12em 0.78em, transparent 0.78em),
    linear-gradient(var(--bb8-bg) 0.78em, transparent 0.78em);
  border-radius: var(--radius) var(--radius) 0 0;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0.04em 0.08em gray);
}

.bb8__head::before{
  content: "";
  position: absolute;
  width: 0.35em;
  height: 0.35em;
  background: radial-gradient(0.08em circle at 0.16em 0.23em, red, transparent),
    radial-gradient(0.04em circle at 0.23em 0.12em, var(--bb8-bg) 50%, transparent 100%),
    linear-gradient(45deg, #000 0.12em, dimgray 0.2em 0.23em, #000 0.31em);
  border-radius: var(--radius);
  top: 0.26em;
  left: 50%;
  transform: translate(-50%);
  box-shadow: 0 0 0 0.06em lightgray, 0.35em 0.18em 0 -0.09em, 0.35em 0.18em 0 -0.06em var(--bb8-bg), 0.35em 0.18em 0 -0.04em;
  z-index: 1;
  transition: var(--transition);
}

.bb8__antenna{
  position: absolute;
  transform: translateY(-90%);
  width: 0.04em;
  border-radius: var(--radius) var(--radius) 0 0;
  transition: var(--transition);
}

.bb8__antenna:nth-child(1){
  height: 0.58em;
  right: 0.58em;
  background: linear-gradient(#000 0.12em, silver 0.12em);
}

.bb8__antenna:nth-child(2){
  height: 0.23em;
  left: 50%;
  transform: translate(-50%, -90%);
  background: silver;
}

.bb8__body{
  width: 2.7em;
  height: 2.7em;
  background: var(--bb8-bg);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  z-index: 1;
  transform: rotate(45deg);
  background: linear-gradient(-90deg, var(--bb8-bg) 4%, var(--accent) 4% 10%, transparent 10% 90%, var(--accent) 90% 96%, var(--bb8-bg) 96%),
    linear-gradient(var(--bb8-bg) 4%, var(--accent) 4% 10%, transparent 10% 90%, var(--accent) 90% 96%, var(--bb8-bg) 96%),
    linear-gradient(to right, transparent 1.35em, silver 1.35em 1.39em, transparent 1.37em),
    linear-gradient(transparent 1.35em, silver 1.35em 1.39em, transparent 1.37em);
  background-color: var(--bb8-bg);
}

.bb8__body::after{
  content: "";
  bottom: 0.94em;
  left: 0.35em;
  position: absolute;
  width: 0.12em;
  height: 0.12em;
  background: rgb(236, 236, 236);
  color: rgb(236, 236, 236);
  border-radius: 50%;
  box-shadow: 0.55em 0.58em, 0 -0.78em, 0.55em -1.33em, 1.33em -1.33em, 1.91em -0.78em, 1.91em 0, 1.33em 0.58em;
}

.bb8__body::before{
  content: "";
  width: 1.64em;
  height: 1.64em;
  position: absolute;
  border-radius: 50%;
  z-index: 0.1;
  overflow: hidden;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 0.2em solid var(--accent);
  background: radial-gradient(0.6em circle at center, rgb(236, 236, 236) 50%, transparent 51%),
    radial-gradient(0.78em circle at center, var(--bb8-bg) 50%, transparent 51%),
    linear-gradient(-90deg, transparent 42%, var(--accent) 42% 58%, transparent 58%),
    linear-gradient(var(--bb8-bg) 42%, var(--accent) 42% 58%, var(--bb8-bg) 58%);
}

.bb8-toggle__scenery{
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  position: relative;
  border-radius: inherit;
}

.bb8-toggle__scenery::before{
  content: "";
  position: absolute;
  width: 100%;
  height: 30%;
  bottom: 0;
  background: #b18d71;
  z-index: 1;
}

.bb8-toggle__star{
  position: absolute;
  width: 0.04em;
  height: 0.04em;
  background: #fff;
  border-radius: var(--radius);
  filter: drop-shadow(0 0 0.04em #fff);
  color: #fff;
  top: 100%;
}

.bb8-toggle__star:nth-child(1){
  left: 2.34em;
  box-shadow: 0.78em 0.58em, -0.78em 1.56em, 0 0.78em, 1.17em 0.39em, -1.95em 1.17em, 0.78em 1.76em;
  transition: 0.2s;
}

.bb8-toggle__star:nth-child(2){
  left: 2.93em;
  box-shadow: 0.39em 0, 0 0.39em, -0.39em -0.39em, 0.39em 0.58em, -1.95em 0.78em, 0.78em -0.98em;
  transition: 0.3s;
}

.bb8-toggle__star:nth-child(3){
  left: 3.32em;
  box-shadow: -0.39em -0.39em, -1.37em 0.78em, -1.37em 0, -2.34em -0.39em, -1.95em -0.39em, -1.56em -0.2em, 0.47em -0.39em;
  transition: var(--transition);
}

.bb8-toggle__star:nth-child(4){
  left: 1.17em;
  width: 0.08em;
  height: 0.08em;
  transition: 0.5s;
}

.bb8-toggle__star:nth-child(5){
  left: 3.12em;
  width: 0.08em;
  height: 0.08em;
  transition: 0.6s;
}

.bb8-toggle__star:nth-child(6){
  left: 1.56em;
  width: 0.08em;
  height: 0.08em;
  transition: 0.7s;
}

.bb8-toggle__star:nth-child(7){
  left: 2.15em;
  width: 0.08em;
  height: 0.08em;
  transition: 0.8s;
}

.bb8-toggle__cloud{
  z-index: 1;
  position: absolute;
  border-radius: 50%;
}

.bb8-toggle__cloud:nth-last-child(1){
  width: 0.55em;
  height: 0.39em;
  filter: blur(0.08em) drop-shadow(0.2em 0.2em #ffffffae) drop-shadow(-0.39em 0 #fff) drop-shadow(-0.59em -0.08em #fff);
  right: 1.17em;
  top: 1.76em;
  background: linear-gradient(to top right, #ffffffae, #ffffffae);
  transition: var(--transition);
}

.bb8-toggle__cloud:nth-last-child(2){
  top: 0.39em;
  right: 2.73em;
  width: 0.55em;
  height: 0.23em;
  background: #dfdedeae;
  filter: blur(0.08em) drop-shadow(-0.2em -0.12em #e0dfdfae) drop-shadow(-0.39em -0.12em #bbbbbbae) drop-shadow(-0.62em 0.04em #cfcfcfae);
  transition: 0.6s;
}

.bb8-toggle__cloud:nth-last-child(3){
  top: 0.78em;
  right: 0.59em;
  width: 0.55em;
  height: 0.23em;
  background: #ffffffae;
  filter: blur(0.08em) drop-shadow(0.27em 0.12em #ffffffae) drop-shadow(-0.39em 0.2em #ffffffae);
  transition: 0.8s;
}

.tatto-1, .tatto-2{
  position: absolute;
  width: 0.78em;
  height: 0.78em;
  border-radius: var(--radius);
}

.tatto-1{
  background: #fefefe;
  right: 1.95em;
  top: 0.39em;
  box-shadow: 0 0 0.27em #fdf4e1;
  transition: var(--transition);
}

.tatto-2{
  background: linear-gradient(#e6ac5c, #d75449);
  right: 0.78em;
  top: 1.37em;
  box-shadow: 0 0 0.27em #e6ad5c3d, 0 0 0.27em #d755494f;
  transition: 0.7s;
}

.gomrassen, .hermes, .chenini{
  position: absolute;
  border-radius: var(--radius);
  background: linear-gradient(#fff, #6e8ea2);
  top: 100%;
}

.gomrassen{
  left: 0.59em;
  width: 1.17em;
  height: 1.17em;
  box-shadow: 0 0 0.12em #ffffff52, 0 0 0.12em #6e8ea24b;
  transition: var(--transition);
}

.hermes{
  left: 2.15em;
  width: 0.39em;
  height: 0.39em;
  box-shadow: 0 0 0.08em #ffffff52, 0 0 0.08em #6e8ea24b;
  transition: 0.6s;
}

.chenini{
  left: 2.73em;
  width: 0.31em;
  height: 0.31em;
  box-shadow: 0 0 0.08em #ffffff52, 0 0 0.08em #6e8ea24b;
  transition: 0.8s;
}

.bb8__shadow{
  width: var(--bb8-diameter);
  height: 20%;
  border-radius: 50%;
  background: #3a271c;
  box-shadow: 0.2em 0 1.95em #3a271c;
  opacity: 0.25;
  position: absolute;
  bottom: 0;
  left: calc(var(--toggle-offset) - 0.59em);
  transition: var(--transition);
  transform: skew(-70deg);
  z-index: 1;
}

.artificial__hidden{
  position: absolute;
  border-radius: inherit;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8-toggle__star:nth-child(1){ top: 0.39em; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8-toggle__star:nth-child(2){ top: 1.17em; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8-toggle__star:nth-child(3){ top: 0.78em; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8-toggle__star:nth-child(4){ top: 2.15em; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8-toggle__star:nth-child(5){ top: 2.15em; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8-toggle__star:nth-child(6){ top: 0.2em; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8-toggle__star:nth-child(7){ top: 1.17em; }

.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8-toggle__cloud{ right: -100%; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .gomrassen{ top: 0.59em; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .hermes{ top: 1.56em; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .chenini{ top: 1.72em; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container{ background-position-y: 0; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .tatto-1{ top: 100%; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .tatto-2{ top: 100%; }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8{ left: calc(100% - var(--bb8-diameter) - var(--toggle-offset)); }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8__shadow{ left: calc(100% - var(--bb8-diameter) - var(--toggle-offset) + 0.59em); transform: skew(70deg); }
.bb8-toggle__checkbox:checked + .bb8-toggle__container .bb8__body{ transform: rotate(225deg); }

.bb8-toggle__checkbox:hover + .bb8-toggle__container .bb8__head::before{ left: 100%; }
.bb8-toggle__checkbox:not(:checked):hover + .bb8-toggle__container .bb8__antenna:nth-child(1){ right: 0.94em; }
.bb8-toggle__checkbox:hover + .bb8-toggle__container .bb8__antenna:nth-child(2){ left: 0.59em; }
.bb8-toggle__checkbox:hover + .bb8-toggle__container .bb8__head::after{ background-position: 0.86em 0; }
.bb8-toggle__checkbox:checked:hover + .bb8-toggle__container .bb8__head::before{ left: 0; }
.bb8-toggle__checkbox:checked:hover + .bb8-toggle__container .bb8__antenna:nth-child(2){ left: calc(100% - 0.59em); }
.bb8-toggle__checkbox:checked:hover + .bb8-toggle__container .bb8__head::after{ background-position: -0.86em 0; }
.bb8-toggle__checkbox:active + .bb8-toggle__container .bb8__head-container{ transform: rotate(25deg); }
.bb8-toggle__checkbox:checked:active + .bb8-toggle__container .bb8__head-container{ transform: rotate(-25deg); }

.bb8:hover .bb8__head::before,
.bb8:hover .bb8__antenna:nth-child(2){ left: 50% !important; }
.bb8:hover .bb8__antenna:nth-child(1){ right: 50% !important; }

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

.logo {
  flex-shrink: 0;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-color);
  transition: transform var(--transition-fast);
}

.logo-link:hover {
  transform: scale(1.02);
}

.logo-icon {
  color: var(--primary-color);
  font-size: 1.5em;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 2px var(--primary-color)); }
  50% { filter: drop-shadow(0 0 8px var(--primary-color)); }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-color);
  background-color: var(--background-tertiary);
}

.nav-link.active {
  color: var(--primary-color);
  background-color: rgba(52, 152, 219, 0.1);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: calc(100% - var(--spacing-md));
}

.nav-icon {
  font-size: 1.1em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background-color: var(--background-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--primary-color);
  transform: rotate(15deg);
}

.theme-toggle:hover .theme-icon {
  color: white;
}

.theme-icon {
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: absolute;
}

.theme-icon.sun {
  opacity: 1;
  transform: rotate(0deg);
}

.theme-icon.moon {
  opacity: 0;
  transform: rotate(-90deg);
}

[data-theme="dark"] .theme-icon.sun {
  opacity: 0;
  transform: rotate(90deg);
}

[data-theme="dark"] .theme-icon.moon {
  opacity: 1;
  transform: rotate(0deg);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  padding: 0;
  z-index: var(--z-fixed);
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-color);
  border-radius: 2px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + 40px) var(--spacing-md) var(--spacing-xxl);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -2;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 25%, #24243e 50%, #0f0c29 75%, #1a1a2e 100%);
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
  0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
  100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.3) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  animation: pulse-glow-bg 4s ease-in-out infinite;
}

.hero-content {
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.author-name .name-highlight {
  background: linear-gradient(135deg, #fff 0%, #a78bfa 50%, #818cf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-number {
  background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.social-link {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.social-link:hover {
  background: white;
}

.social-link:hover .social-svg {
  fill: #667eea;
}

.social-svg {
  fill: white;
}

.stat-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-label {
  color: rgba(255, 255, 255, 0.7);
}

.hero-typewriter .typewriter-text {
  color: rgba(255, 255, 255, 0.9);
}

.cta-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.cta-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

.avatar {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
  box-shadow: 
    0 0 0 3px rgba(102, 126, 234, 0.5),
    0 0 60px rgba(102, 126, 234, 0.4),
    inset 0 0 30px rgba(255, 255, 255, 0.1);
}

.avatar-ring {
  position: absolute;
  top: -15px;
  left: -15px;
  right: -15px;
  bottom: -15px;
  border: 2px dashed rgba(102, 126, 234, 0.4);
  border-radius: var(--border-radius-full);
  animation: rotate-ring 20s linear infinite;
}

.avatar-ring-2 {
  position: absolute;
  top: -25px;
  left: -25px;
  right: -25px;
  bottom: -25px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-full);
  animation: rotate-ring 30s linear infinite reverse;
}

@keyframes pulse-glow-bg {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: float-up 15s linear infinite;
}

@keyframes float-up {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) scale(1);
    opacity: 0;
  }
}

.hero-content {
  text-align: center;
  color: white;
  z-index: 1;
  max-width: 700px;
  animation: fade-in-up 1s ease-out;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  margin-bottom: var(--spacing-lg);
  animation: fade-in-up 1s ease-out 0.2s both;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.7; }
}

.badge-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.avatar-container {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-lg);
  animation: fade-in-up 1s ease-out 0.3s both;
}

.loader-container {
  position: relative;
  width: 150px;
  height: 150px;
  perspective: 800px;
  transform-style: preserve-3d;
  border-radius: var(--border-radius-full);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
  box-shadow: 
    0 0 0 3px rgba(102, 126, 234, 0.5),
    0 0 60px rgba(102, 126, 234, 0.4),
    inset 0 0 30px rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.loader-container:hover {
  transform: scale(1.05);
  box-shadow: 
    0 0 0 3px rgba(102, 126, 234, 0.8),
    0 0 80px rgba(102, 126, 234, 0.6),
    inset 0 0 30px rgba(255, 255, 255, 0.2);
}

.sphere-core {
  position: absolute;
  width: 60px;
  height: 60px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 40% 40%, #00eaff, #0066ff);
  border-radius: 50%;
  box-shadow: 0 0 25px rgba(0, 234, 255, 0.5);
  animation: pulse 2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid rgba(0, 234, 255, 0.7);
  border-radius: 50%;
  box-shadow: 0 0 15px rgba(0, 234, 255, 0.3);
  transform-style: preserve-3d;
}

.ring-1 {
  animation: rotateX 2.5s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.ring-2 {
  animation: rotateY 2s cubic-bezier(0.55, 0, 0.45, 1) infinite;
  width: 120px;
  height: 120px;
  top: 15px;
  left: 15px;
  border-color: rgba(0, 234, 255, 0.5);
}

.ring-3 {
  animation: rotateXY 3s cubic-bezier(0.7, 0, 0.3, 1) infinite;
  width: 90px;
  height: 90px;
  top: 30px;
  left: 30px;
  border-color: rgba(0, 234, 255, 0.3);
}

@keyframes rotateX {
  0% { transform: rotateX(0deg); }
  50% { transform: rotateX(180deg); }
  100% { transform: rotateX(360deg); }
}

@keyframes rotateY {
  0% { transform: rotateY(0deg); }
  50% { transform: rotateY(180deg); }
  100% { transform: rotateY(360deg); }
}

@keyframes rotateXY {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  50% { transform: rotateX(90deg) rotateY(180deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}

@keyframes pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 0 25px rgba(0, 234, 255, 0.5);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 35px rgba(0, 234, 255, 0.7);
  }
}

.loader-container:hover .sphere-core {
  background: radial-gradient(circle at 40% 40%, #ff66ff, #6600ff);
  box-shadow: 0 0 35px rgba(255, 102, 255, 0.7);
}

.loader-container:hover .ring {
  border-color: rgba(255, 102, 255, 0.7);
  box-shadow: 0 0 20px rgba(255, 102, 255, 0.5);
}

.avatar-ring {
  position: absolute;
  top: -15px;
  left: -15px;
  right: -15px;
  bottom: -15px;
  border: 2px dashed rgba(102, 126, 234, 0.4);
  border-radius: var(--border-radius-full);
  animation: rotate-ring 20s linear infinite;
}

.avatar-ring-2 {
  position: absolute;
  top: -25px;
  left: -25px;
  right: -25px;
  bottom: -25px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-full);
  animation: rotate-ring 30s linear infinite reverse;
}

@keyframes rotate-ring {
  to { transform: rotate(360deg); }
}

.author-name {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  animation: fade-in-up 1s ease-out 0.4s both;
}

.name-line {
  display: block;
  font-size: 0.4em;
  font-weight: 400;
  opacity: 0.7;
  margin-bottom: 8px;
  letter-spacing: 0.1em;
}

.name-highlight {
  display: block;
  background: linear-gradient(135deg, #fff 0%, #a78bfa 50%, #818cf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero-typewriter {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  min-height: 32px;
  animation: fade-in-up 1s ease-out 0.5s both;
}

.typewriter-text {
  color: rgba(255, 255, 255, 0.9);
}

.typewriter-cursor {
  color: var(--primary-color);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  animation: fade-in-up 1s ease-out 0.6s both;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.stat-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-number {
  display: block;
  font-size: var(--font-size-xxl);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
  background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: var(--font-size-xs);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.stat-bar {
  display: none;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  animation: fade-in-up 1s ease-out 0.7s both;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.cta-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

.cta-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.cta-arrow {
  transition: transform var(--transition-fast);
}

.cta-btn:hover .cta-arrow {
  transform: translateX(4px);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  animation: fade-in-up 1s ease-out 0.8s both;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition-fast);
}

.social-link:hover {
  transform: translateY(-4px) scale(1.1);
  background: white;
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

.social-link:hover .social-svg {
  fill: #667eea;
}

.social-svg {
  width: 22px;
  height: 22px;
  fill: white;
  transition: fill var(--transition-fast);
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  opacity: 0.6;
  animation: fade-in-up 1s ease-out 1s both;
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

.scroll-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.scroll-arrow {
  font-size: 1.5rem;
}

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

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

.section-title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--spacing-xs);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.title-icon {
  font-size: 1.2em;
  color: var(--primary-color);
}

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

.article-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-lg);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--text-secondary);
}

.empty-state p {
  font-size: var(--font-size-lg);
  margin: 0;
}

.article-card {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
}

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

.article-card.skeleton {
  pointer-events: none;
}

.article-image {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--background-tertiary);
}

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

.article-card:hover .article-image img {
  transform: scale(1.08);
}

.image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-muted);
  background: linear-gradient(135deg, var(--background-tertiary) 0%, var(--background-secondary) 100%);
}

.skeleton-image {
  position: relative;
  overflow: hidden;
}

.skeleton-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
  to { left: 100%; }
}

.skeleton-text {
  position: relative;
  overflow: hidden;
  background: var(--background-tertiary);
  border-radius: var(--border-radius-sm);
}

.skeleton-text::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  animation: skeleton-shimmer 1.5s infinite;
}

.article-content {
  padding: var(--spacing-md);
}

.article-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-excerpt {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.article-date {
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-category {
  padding: 2px 8px;
  background: var(--background-tertiary);
  border-radius: var(--border-radius-sm);
  font-weight: 500;
}

.article-read-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--primary-color);
  transition: all var(--transition-fast);
}

.article-read-more:hover {
  gap: 8px;
  color: var(--primary-dark);
}

.section-more {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

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

.btn.loading .btn-text {
  opacity: 0;
}

.btn .btn-loading {
  position: absolute;
  display: none;
}

.btn.loading .btn-loading {
  display: flex;
}

.loading-dots span {
  animation: loading-dots 1.4s infinite both;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes loading-dots {
  0%, 80%, 100% { opacity: 0; }
  40% { opacity: 1; }
}

.photo-filter {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--background-tertiary);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--primary-color);
  background: var(--card-bg);
}

.filter-btn.active {
  color: white;
  background: var(--primary-color);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.photo-item {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--background-tertiary);
}

.photo-item.skeleton {
  pointer-events: none;
}

.photo-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
}

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

.photo-item:hover .photo-wrapper img {
  transform: scale(1.1);
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-muted);
}

.photo-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.photo-item:hover .photo-overlay {
  opacity: 1;
}

.photo-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: white;
  margin-bottom: 4px;
}

.photo-desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.4;
}

.music-player {
  background: var(--card-bg);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.player-visualizer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
  padding: var(--spacing-sm);
  opacity: 0.3;
  pointer-events: none;
}

.visualizer-bar {
  width: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: visualizer-bounce 0.5s ease-in-out infinite alternate;
}

.visualizer-bar:nth-child(1) { height: 20px; animation-delay: 0s; }
.visualizer-bar:nth-child(2) { height: 35px; animation-delay: 0.1s; }
.visualizer-bar:nth-child(3) { height: 25px; animation-delay: 0.2s; }
.visualizer-bar:nth-child(4) { height: 40px; animation-delay: 0.3s; }
.visualizer-bar:nth-child(5) { height: 30px; animation-delay: 0.4s; }

@keyframes visualizer-bounce {
  to { height: 50px; }
}

.music-player:not(.playing) .visualizer-bar {
  animation: none;
  height: 10px;
}

.player-cover {
  width: 180px;
  height: 180px;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--border-radius-full);
  background: var(--background-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--text-muted);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.player-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cover-spin {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid var(--border-color);
  border-radius: var(--border-radius-full);
}

.music-player.playing .cover-spin {
  animation: spin-cover 8s linear infinite;
}

@keyframes spin-cover {
  to { transform: rotate(360deg); }
}

.player-info {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.player-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 4px;
}

.player-artist {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.player-progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.progress-time {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-family: var(--font-family-mono);
  min-width: 40px;
}

.progress-time.current {
  text-align: right;
}

.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--background-tertiary);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  overflow: visible;
}

.progress-bar:hover .progress-handle {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
  width: 0%;
  transition: width 0.1s linear;
}

.progress-handle {
  position: absolute;
  top: 50%;
  right: 0;
  width: 14px;
  height: 14px;
  background: white;
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius-full);
  transform: translateY(-50%) scale(0);
  opacity: 0;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.player-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.control-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-full);
  background: var(--background-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: all var(--transition-fast);
}

.control-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

.control-btn.play {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.control-btn.play:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-lg);
}

.control-icon {
  font-size: 1.2rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.control-btn.play .control-icon {
  font-size: 1.5rem;
}

.pause-icon {
  display: none;
}

.music-player.playing .play-icon {
  display: none;
}

.music-player.playing .pause-icon {
  display: inline-flex;
}

.volume-mute {
  display: none;
}

.music-player.muted .volume-high {
  display: none;
}

.music-player.muted .volume-mute {
  display: inline-flex;
}

.volume-slider-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  height: 0;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.volume-slider-wrapper.visible {
  opacity: 1;
  height: auto;
  padding: var(--spacing-sm) 0;
}

.volume-slider {
  width: 120px;
  height: 4px;
  background: var(--background-tertiary);
  border-radius: 2px;
  position: relative;
  cursor: pointer;
}

.volume-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
  width: 70%;
}

.volume-handle {
  position: absolute;
  top: 50%;
  right: 30%;
  width: 12px;
  height: 12px;
  background: white;
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius-full);
  transform: translate(50%, -50%);
  box-shadow: var(--shadow-sm);
}

.playlist {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
}

.playlist-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.playlist-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-color);
}

.playlist-count {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.playlist-items {
  max-height: 200px;
  overflow-y: auto;
}

.playlist-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.playlist-item:hover {
  background: var(--background-tertiary);
}

.playlist-item.active {
  background: rgba(52, 152, 219, 0.1);
}

.playlist-item.active .playlist-title-text {
  color: var(--primary-color);
}

.playlist-title-text {
  font-size: var(--font-size-sm);
  color: var(--text-color);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.playlist-artist {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.footer {
  background: var(--footer-bg);
  color: white;
  position: relative;
  padding-top: 60px;
}

.footer-wave {
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 60px;
  overflow: hidden;
}

.footer-wave svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.footer-wave path {
  fill: var(--footer-bg);
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md) var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--spacing-sm);
}

.footer-desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

.footer-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: white;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
}

.footer-link:hover {
  color: white;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

.icp a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.icp a:hover {
  color: white;
}

.back-to-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.image-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay-color);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.image-lightbox:not([hidden]) {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-prev { left: var(--spacing-md); }
.lightbox-next { right: var(--spacing-md); }

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  text-align: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--border-radius-md);
}

.lightbox-caption {
  margin-top: var(--spacing-sm);
  color: white;
  font-size: var(--font-size-sm);
}

.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-tooltip);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.toast {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--card-bg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  animation: toast-in 0.3s ease;
}

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

.toast.success {
  border-left: 4px solid var(--secondary-color);
}

.toast.error {
  border-left: 4px solid var(--accent-color);
}

.toast.info {
  border-left: 4px solid var(--primary-color);
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media screen and (max-width: 768px) {
  :root {
    --font-size-hero: 2.5rem;
    --font-size-xxl: 1.75rem;
    --spacing-xxl: 3rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--background-secondary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: var(--z-modal-backdrop);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-link {
    font-size: var(--font-size-lg);
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .article-list {
    grid-template-columns: 1fr;
  }
  
  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-brand {
    max-width: none;
  }
  
  .footer-nav {
    align-items: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .back-to-top {
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 44px;
    height: 44px;
  }
  
  .music-player {
    margin: 0 var(--spacing-sm);
    padding: var(--spacing-md);
  }
  
  .player-cover {
    width: 120px;
    height: 120px;
  }
  
  .player-controls {
    gap: var(--spacing-xs);
    flex-wrap: wrap;
  }
  
  .control-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    line-height: 1;
  }
  
  .control-btn.play {
    width: 50px;
    height: 50px;
    min-width: 50px;
  }
  
  .control-icon {
    font-size: 1rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .volume-slider-wrapper {
    width: 100%;
    justify-content: center;
  }
  
  .volume-slider {
    width: 80%;
  }
}

@media screen and (max-width: 480px) {
  .photo-grid {
    grid-template-columns: 1fr;
  }
  
  .social-links {
    gap: var(--spacing-xs);
  }
  
  .social-link {
    width: 40px;
    height: 40px;
  }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .article-list {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-brand {
    grid-column: span 2;
    text-align: center;
    max-width: none;
  }
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

::selection {
  background: var(--primary-color);
  color: white;
}

:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

@media print {
  .header,
  .back-to-top,
  .music-player,
  .image-lightbox,
  .toast-container {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .hero-section {
    background: white;
    color: black;
    min-height: auto;
    padding: var(--spacing-lg);
  }
  
  .article-card,
  .photo-item {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
}