/*
 * ============================================================================
 * POETIC RETRO PORTFOLIO - STYLES
 * ============================================================================
 * Pure CSS - No frameworks, just elegant styling
 * ============================================================================
 */

/* ============================================================================
 * CSS CUSTOM PROPERTIES (DESIGN TOKENS)
 * ============================================================================ */

:root {
  /* --- Typography --- */
  --font-serif: 'Playfair Display', 'EB Garamond', 'Crimson Text', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
  --font-sans: '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: 4px;
  --radius-md: 8px;
  
  /* --- Transitions --- */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-dramatic: 800ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* --- Font Sizes --- */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
}

/* ============================================================================
 * DARK MODE (Default)
 * ============================================================================ */

[data-theme="dark"] {
  --color-bg-primary: #0a0a0b;
  --color-bg-secondary: #121214;
  --color-bg-tertiary: #1a1a1d;
  --color-bg-elevated: #1f1f23;
  
  --color-text-primary: #e8e4dc;
  --color-text-secondary: #a8a49c;
  --color-text-tertiary: #6b6860;
  --color-text-muted: #4a4740;
  
  --color-accent-primary: #c9a227;
  --color-accent-secondary: #b8960f;
  --color-accent-tertiary: #8b7014;
  --color-accent-glow: rgba(201, 162, 39, 0.3);
  
  --color-surface-card: rgba(26, 26, 29, 0.8);
  --color-surface-border: rgba(201, 162, 39, 0.15);
  --color-surface-border-hover: rgba(201, 162, 39, 0.4);
  
  --color-shadow-medium: rgba(0, 0, 0, 0.5);
  --color-shadow-deep: rgba(0, 0, 0, 0.8);
  
  --color-grain-opacity: 0.03;
  --color-vignette: rgba(0, 0, 0, 0.6);
  
  --color-code-bg: #0d0d0e;
  --color-code-border: #2a2a2d;
}

/* ============================================================================
 * LIGHT MODE
 * ============================================================================ */

[data-theme="light"] {
  --color-bg-primary: #f5f0e8;
  --color-bg-secondary: #ebe5d9;
  --color-bg-tertiary: #e0d9ca;
  --color-bg-elevated: #f8f4ed;
  
  --color-text-primary: #2c2416;
  --color-text-secondary: #4a4032;
  --color-text-tertiary: #6b6150;
  --color-text-muted: #8a8070;
  
  --color-accent-primary: #8b6914;
  --color-accent-secondary: #6b5010;
  --color-accent-tertiary: #4a3808;
  --color-accent-glow: rgba(139, 105, 20, 0.2);
  
  --color-surface-card: rgba(248, 244, 237, 0.9);
  --color-surface-border: rgba(139, 105, 20, 0.2);
  --color-surface-border-hover: rgba(139, 105, 20, 0.5);
  
  --color-shadow-medium: rgba(44, 36, 22, 0.15);
  --color-shadow-deep: rgba(44, 36, 22, 0.25);
  
  --color-grain-opacity: 0.02;
  --color-vignette: rgba(139, 119, 88, 0.2);
  
  --color-code-bg: #e8e3d8;
  --color-code-border: #d4cfc2;
}

/* ============================================================================
 * BASE RESET
 * ============================================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

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

body.is-loading {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(var(--text-4xl), 8vw, var(--text-7xl)); font-weight: 700; }
h2 { font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl)); }
h3 { font-size: clamp(var(--text-xl), 3vw, var(--text-3xl)); }

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

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

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

/* ============================================================================
 * UTILITIES
 * ============================================================================ */

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden { display: none !important; }

/* ============================================================================
 * RETRO LOADER
 * ============================================================================ */

.retro-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: var(--space-lg);
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(201, 162, 39, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(10, 10, 11, 0.98) 0%, rgba(12, 12, 14, 0.97) 48%, rgba(10, 10, 11, 1) 100%);
  color: var(--color-text-primary);
  transition:
    opacity 900ms ease,
    visibility 900ms ease,
    transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.retro-loader::before,
.retro-loader::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.retro-loader::before {
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 5px);
  opacity: 0.08;
}

.retro-loader::after {
  background: radial-gradient(circle, transparent 38%, rgba(0, 0, 0, 0.62) 100%);
}

.retro-loader.is-complete {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.015);
}

.retro-loader-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.retro-loader-ornament {
  position: absolute;
  width: min(28vw, 320px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(201, 162, 39, 0.2) 0%, rgba(201, 162, 39, 0.08) 34%, rgba(201, 162, 39, 0) 72%);
  box-shadow:
    0 0 70px rgba(201, 162, 39, 0.08),
    inset 0 0 40px rgba(255, 255, 255, 0.02);
  filter: blur(4px);
  animation: loaderDrift 12s ease-in-out infinite;
}

.retro-loader-ornament-left {
  top: -4%;
  left: -2%;
}

.retro-loader-ornament-right {
  right: -6%;
  bottom: -10%;
  animation-delay: -5s;
}

.retro-loader-dust {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 25%, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 100%),
    radial-gradient(circle at 72% 36%, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 100%),
    radial-gradient(circle at 42% 76%, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 100%);
  background-size: 180px 180px, 240px 240px, 210px 210px;
  opacity: 0.55;
  animation: loaderDustDrift 22s linear infinite;
}

.retro-loader-panel {
  position: relative;
  width: min(100%, 680px);
  padding: clamp(1.6rem, 4vw, 2.8rem);
  border: 1px solid var(--color-surface-border-hover);
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(26, 26, 29, 0.96) 0%, rgba(18, 18, 20, 0.96) 100%);
  backdrop-filter: blur(12px);
  box-shadow:
    0 0 0 1px rgba(201, 162, 39, 0.06),
    0 18px 52px rgba(0, 0, 0, 0.45);
  animation: loaderPanelFloat 7s ease-in-out infinite;
}

.retro-loader-panel::before {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(201, 162, 39, 0.12);
  border-radius: 2px;
  pointer-events: none;
}

.retro-loader-panel::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(201, 162, 39, 0.35), transparent);
  pointer-events: none;
}

.retro-loader-kicker,
.retro-loader-status,
.retro-loader-progress,
.retro-loader-log-item {
  font-family: var(--font-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.retro-loader-kicker {
  margin-bottom: var(--space-sm);
  color: var(--color-accent-primary);
  font-size: var(--text-xs);
}

.retro-loader-title {
  margin-bottom: var(--space-sm);
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 0.98;
  color: var(--color-text-primary);
}

.retro-loader-copy {
  margin-bottom: var(--space-sm);
  font-family: var(--font-serif);
  font-size: clamp(var(--text-lg), 3vw, var(--text-2xl));
  font-style: italic;
  color: var(--color-text-secondary);
}

.retro-loader-quote {
  max-width: 34rem;
  margin-bottom: var(--space-xl);
  padding-left: var(--space-md);
  border-left: 2px solid rgba(201, 162, 39, 0.45);
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-text-tertiary);
  line-height: 1.8;
}

.retro-loader-meter {
  position: relative;
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  border: 1px solid var(--color-surface-border);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.35);
}

.retro-loader-meter-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background:
    linear-gradient(90deg, var(--color-accent-tertiary) 0%, var(--color-accent-primary) 100%);
  box-shadow: 0 0 16px rgba(201, 162, 39, 0.24);
  transition: width 220ms ease-out;
}

.retro-loader-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.retro-loader-status {
  color: var(--color-text-tertiary);
  font-size: 0.7rem;
}

.retro-loader-progress {
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

.retro-loader-terminal {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  border: 1px dashed var(--color-surface-border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 26%),
    rgba(13, 13, 14, 0.75);
}

.retro-loader-terminal::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.04), transparent 18%, transparent 82%, rgba(201, 162, 39, 0.03));
  pointer-events: none;
}

.retro-loader-terminal-bar {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(201, 162, 39, 0.12);
}

.retro-loader-terminal-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.retro-loader-log {
  list-style: none;
  padding: 1rem;
  display: grid;
  gap: 0.7rem;
}

.retro-loader-log-item {
  position: relative;
  padding-left: 1.1rem;
  color: var(--color-text-tertiary);
  font-size: 0.72rem;
  transition: color var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
  opacity: 0.55;
}

.retro-loader-log-item::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--color-accent-primary);
}

.retro-loader-log-item.is-active {
  color: var(--color-text-secondary);
  opacity: 1;
  transform: translateX(3px);
}

@keyframes loaderDrift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(0, 14px, 0) scale(1.04); }
}

@keyframes loaderDustDrift {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-18px, 12px, 0); }
}

@keyframes loaderPanelFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ============================================================================
 * VINTAGE EFFECTS
 * ============================================================================ */

.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: var(--color-grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

.vignette-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(ellipse at center, transparent 0%, transparent 60%, var(--color-vignette) 100%);
}

/* ============================================================================
 * THEME TOGGLE
 * ============================================================================ */

.theme-toggle {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 1000;
  width: 48px;
  height: 48px;
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.theme-toggle:hover {
  border-color: var(--color-accent-primary);
  transform: scale(1.05);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.icon-container {
  position: relative;
  width: 24px;
  height: 24px;
}

.icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 22px;
  height: 22px;
  color: var(--color-accent-primary);
  transition: all var(--transition-base);
}

.sun-icon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

.moon-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-90deg) scale(0.5);
}

[data-theme="light"] .sun-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scale(0.5);
}

[data-theme="light"] .moon-icon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

/* ============================================================================
 * HERO SECTION
 * ============================================================================ */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.content-overlay {
  position: relative;
  z-index: 10;
  width: 100%;
  padding: var(--space-xl);
  max-width: 800px;
  pointer-events: auto;
}

.terminal-tagline {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent-primary);
  background-color: var(--color-code-bg);
  padding: var(--space-sm) var(--space-md);
  border-left: 3px solid var(--color-accent-primary);
  display: inline-block;
  margin-bottom: var(--space-xl);
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background-color: var(--color-accent-primary);
  margin-left: 4px;
  animation: blink 1s step-end infinite;
}

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

.headline {
  margin-bottom: var(--space-lg);
}

.headline-accent {
  display: block;
  color: var(--color-accent-primary);
  font-style: italic;
}

.subtitle {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-lg), 3vw, var(--text-2xl));
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.description {
  font-size: var(--text-lg);
  max-width: 600px;
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.cta-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.cta-button {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  padding: var(--space-md) var(--space-xl);
  border: 2px solid var(--color-accent-primary);
  background: transparent;
  color: var(--color-accent-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.cta-button:hover {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.cta-button-primary {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

.cta-button-primary:hover {
  background-color: transparent;
  color: var(--color-accent-primary);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-tertiary);
  animation: float 2s ease-in-out infinite;
}

.scroll-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent-primary), transparent);
}

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

/* ============================================================================
 * SECTION COMMON STYLES
 * ============================================================================ */

.skills-section,
.projects-section,
.contact-section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.skills-section { background-color: var(--color-bg-secondary); }
.projects-section { background-color: var(--color-bg-primary); }
.contact-section { background-color: var(--color-bg-secondary); }

.skills-section::before,
.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-accent-primary), transparent);
}

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

.section-number {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent-primary);
  display: block;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.2em;
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================================
 * SKILLS SECTION
 * ============================================================================ */

.cabinet {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.index-card {
  position: relative;
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-surface-border);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  background-image: linear-gradient(to bottom, var(--color-bg-elevated), var(--color-surface-card));
}

.card-tab {
  position: absolute;
  top: -12px;
  left: var(--space-lg);
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 2px var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.index-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-shadow-medium), 0 0 0 1px var(--color-surface-border-hover);
  border-color: var(--color-surface-border-hover);
}

.index-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, transparent 50%, var(--color-accent-glow) 50%);
  border-top-left-radius: 4px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px dashed var(--color-surface-border);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-surface-border);
  color: var(--color-accent-primary);
  font-size: var(--text-xl);
}

.card-title {
  font-size: var(--text-xl);
}

.skill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-item {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-tertiary);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-surface-border);
  transition: all var(--transition-fast);
}

.skill-item:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

.card-description {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-md);
  line-height: 1.6;
}

.proficiency-bar {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px dashed var(--color-surface-border);
}

.proficiency-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.proficiency-track {
  height: 4px;
  background-color: var(--color-bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
}

.proficiency-fill {
  height: 100%;
  background: linear-gradient(to right, var(--color-accent-tertiary), var(--color-accent-primary));
  border-radius: 2px;
  transition: width var(--transition-slow);
}

/* ============================================================================
 * PROJECTS SECTION
 * ============================================================================ */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-2xl);
  max-width: 1400px;
  margin: 0 auto;
}

.project-card {
  position: relative;
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-surface-border);
  overflow: hidden;
  transition: all var(--transition-dramatic);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 1px solid var(--color-surface-border);
  pointer-events: none;
  z-index: 2;
  transition: all var(--transition-base);
}

.project-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-accent-glow) 0%, transparent 20%, transparent 80%, var(--color-accent-glow) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
  z-index: 1;
}

.project-card:hover {
  transform: translateY(-8px) rotate(0.5deg);
  box-shadow: 0 20px 40px var(--color-shadow-deep), 0 0 0 1px var(--color-accent-glow);
}

.project-card:hover::after { opacity: 1; }
.project-card:hover::before { border-color: var(--color-accent-primary); }

.featured-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: var(--space-xs) var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  z-index: 5;
}

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

.image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: 
    linear-gradient(45deg, var(--color-bg-tertiary) 25%, transparent 25%),
    linear-gradient(-45deg, var(--color-bg-tertiary) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--color-bg-tertiary) 75%),
    linear-gradient(-45deg, transparent 75%, var(--color-bg-tertiary) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: var(--color-bg-secondary);
}

.placeholder-icon {
  font-size: var(--text-4xl);
  opacity: 0.5;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, transparent 60%, var(--color-surface-card) 100%);
  pointer-events: none;
}

.card-content {
  position: relative;
  padding: var(--space-xl);
  z-index: 3;
}

.card-number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: var(--space-sm);
}

.card-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xs);
}

.card-subtitle {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.card-description {
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  background-color: var(--color-bg-tertiary);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-surface-border);
  transition: all var(--transition-fast);
}

.project-card:hover .tech-tag {
  border-color: var(--color-accent-tertiary);
  color: var(--color-text-secondary);
}

.card-links {
  display: flex;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px dashed var(--color-surface-border);
}

.card-link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.card-link:hover {
  color: var(--color-accent-secondary);
  text-decoration: underline;
}

.card-link svg {
  width: 14px;
  height: 14px;
}

/* ============================================================================
 * CONTACT SECTION
 * ============================================================================ */

.contact-container {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-surface-border);
  padding: var(--space-2xl);
  position: relative;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-surface-border), transparent);
}

.form-group {
  margin-bottom: var(--space-xl);
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
}

.required {
  color: var(--color-accent-primary);
  margin-left: 2px;
}

.form-input,
.form-textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-surface-border);
  padding: var(--space-md);
  transition: all var(--transition-base);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 2px var(--color-accent-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
  font-style: italic;
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
  line-height: 1.7;
}

.submit-button {
  width: 100%;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  padding: var(--space-md) var(--space-xl);
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
  border: 2px solid var(--color-accent-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.submit-button:hover {
  background-color: transparent;
  color: var(--color-accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.submit-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.submit-button svg {
  width: 18px;
  height: 18px;
}

.form-status {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-align: center;
  border-radius: var(--radius-sm);
}

.form-status.success {
  background-color: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
  color: #4CAF50;
}

.form-status.error {
  background-color: rgba(244, 67, 54, 0.1);
  border: 1px solid rgba(244, 67, 54, 0.3);
  color: #F44336;
}

.alternative-contact {
  margin-top: var(--space-2xl);
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px dashed var(--color-surface-border);
}

.alternative-title {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-surface-border);
  color: var(--color-text-tertiary);
  transition: all var(--transition-base);
}

.social-link:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  transform: translateY(-2px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

/* ============================================================================
 * FOOTER
 * ============================================================================ */

.footer {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-primary);
  border-top: 1px solid var(--color-surface-border);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.copyright {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.accent {
  color: var(--color-accent-primary);
}

.footer-quote {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-text-muted);
  max-width: 400px;
}

/* ============================================================================
 * ADMIN PAGE
 * ============================================================================ */

.admin-page-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(201, 162, 39, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(10, 10, 11, 0.96), rgba(10, 10, 11, 1));
}

.admin-shell {
  position: relative;
  z-index: 10;
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.admin-hero {
  max-width: 840px;
  margin-bottom: var(--space-3xl);
}

.admin-auth-card,
.admin-panel,
.admin-toolbar-card,
.admin-stat-card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(31, 31, 35, 0.94), rgba(18, 18, 20, 0.92));
  border: 1px solid var(--color-surface-border);
  box-shadow:
    0 18px 48px var(--color-shadow-deep),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.admin-auth-card,
.admin-toolbar-card,
.admin-panel {
  padding: var(--space-2xl);
}

.admin-panel-heading,
.admin-list-toolbar,
.admin-toolbar-card {
  display: flex;
  gap: var(--space-lg);
  justify-content: space-between;
  align-items: flex-start;
}

.admin-eyebrow {
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
}

.admin-section-title,
.admin-subheading {
  margin: 0;
}

.admin-section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
}

.admin-subheading {
  font-size: var(--text-xl);
}

.admin-support-copy {
  max-width: 360px;
  color: var(--color-text-tertiary);
}

.admin-login-form {
  margin-top: var(--space-xl);
}

.admin-dashboard {
  display: grid;
  gap: var(--space-xl);
}

.admin-session {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: flex-end;
}

.admin-session-user {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background-color: var(--color-code-bg);
  border: 1px solid var(--color-surface-border);
  padding: 0.65rem 0.9rem;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

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

.admin-stat-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.admin-stat-value {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-2xl), 5vw, var(--text-5xl));
  color: var(--color-accent-primary);
}

.admin-workspace {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.25fr);
  gap: var(--space-xl);
  align-items: start;
}

.admin-list-panel,
.admin-detail-panel {
  min-height: 640px;
}

.admin-search-input {
  max-width: 360px;
}

.admin-list-status {
  margin: var(--space-lg) 0 var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.admin-submission-list {
  display: grid;
  gap: var(--space-sm);
}

.admin-submission-item {
  width: 100%;
  padding: 1rem 1.1rem;
  text-align: left;
  cursor: pointer;
  border: 1px solid var(--color-surface-border);
  background:
    linear-gradient(180deg, rgba(18, 18, 20, 0.92), rgba(26, 26, 29, 0.92));
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.admin-submission-item:hover,
.admin-submission-item.is-active {
  transform: translateY(-2px);
  border-color: var(--color-surface-border-hover);
  box-shadow: 0 10px 24px var(--color-shadow-medium);
}

.admin-submission-item.is-unread {
  box-shadow: inset 3px 0 0 var(--color-accent-primary);
}

.admin-submission-head {
  display: flex;
  gap: var(--space-md);
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.admin-submission-name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--text-xl);
}

.admin-submission-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.admin-submission-subject {
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
}

.admin-submission-preview {
  margin: 0;
  color: var(--color-text-secondary);
}

.admin-empty-state {
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: var(--space-2xl);
  text-align: center;
  color: var(--color-text-tertiary);
  border: 1px dashed var(--color-surface-border);
}

.admin-detail-card {
  display: grid;
  gap: var(--space-xl);
}

.admin-detail-head {
  display: flex;
  gap: var(--space-lg);
  justify-content: space-between;
  align-items: flex-start;
}

.admin-detail-label,
.admin-detail-meta-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
}

.admin-detail-name {
  margin: 0;
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
}

.admin-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--color-surface-border);
  background-color: var(--color-code-bg);
  color: var(--color-text-secondary);
}

.admin-badge.is-unread {
  color: var(--color-bg-primary);
  background-color: var(--color-accent-primary);
}

.admin-detail-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.admin-detail-meta-item,
.admin-detail-message {
  padding: var(--space-lg);
  border: 1px solid var(--color-surface-border);
  background-color: rgba(10, 10, 11, 0.55);
}

.admin-detail-meta-value {
  color: var(--color-text-primary);
  word-break: break-word;
}

.admin-detail-message p {
  margin: 0;
  white-space: pre-wrap;
  color: var(--color-text-secondary);
}

.admin-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.admin-danger-button {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  padding: var(--space-md) var(--space-xl);
  border: 2px solid rgba(244, 67, 54, 0.55);
  background: transparent;
  color: #f18f86;
  cursor: pointer;
  transition: all var(--transition-base);
}

.admin-danger-button:hover {
  background-color: rgba(244, 67, 54, 0.12);
  border-color: rgba(244, 67, 54, 0.8);
  color: #ffd5d1;
}

.admin-danger-button:disabled,
.admin-search-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ============================================================================
 * SCROLLBAR
 * ============================================================================ */

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

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

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

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

/* ============================================================================
 * SELECTION
 * ============================================================================ */

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

/* ============================================================================
 * RESPONSIVE
 * ============================================================================ */

@media (max-width: 768px) {
  .hero-section { min-height: 100svh; }

  .admin-shell {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }

  .admin-auth-card,
  .admin-toolbar-card,
  .admin-panel {
    padding: var(--space-lg);
  }

  .admin-panel-heading,
  .admin-list-toolbar,
  .admin-toolbar-card,
  .admin-session,
  .admin-detail-head {
    flex-direction: column;
  }

  .admin-stats-grid,
  .admin-workspace,
  .admin-detail-meta {
    grid-template-columns: 1fr;
  }

  .admin-list-panel,
  .admin-detail-panel {
    min-height: auto;
  }

  .admin-search-input {
    max-width: none;
  }

  .retro-loader {
    padding: var(--space-md);
  }

  .retro-loader-panel {
    padding: var(--space-lg);
  }

  .retro-loader-ornament {
    width: min(48vw, 240px);
  }

  .retro-loader-quote {
    margin-bottom: var(--space-lg);
  }

  .retro-loader-meta {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .content-overlay {
    padding: var(--space-lg);
    padding-top: 20vh;
  }
  
  .cta-group {
    flex-direction: column;
  }
  
  .cta-button {
    width: 100%;
    justify-content: center;
  }
  
  .scroll-indicator { bottom: var(--space-xl); }
  
  .cabinet,
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .index-card { margin-top: var(--space-md); }
  
  .contact-form { padding: var(--space-lg); }
  
  .social-links { gap: var(--space-md); }
  
  .social-link {
    width: 44px;
    height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .retro-loader,
  .retro-loader-panel,
  .retro-loader-ornament,
  .retro-loader-dust,
  .retro-loader-meter-fill,
  .retro-loader-log-item,
  .theme-toggle,
  .cta-button,
  .scroll-indicator,
  .index-card,
  .project-card,
  .social-link {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}