/* CSS Custom Properties - Light Mode (Default) */
:root {
  --primary-color: #68298a;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --background: #e8e6e3;
  --background-subtle: #d4d0ca;
  --card-background: #faf9f7;
  --border-light: #d4d0ca;
  --bg-gradient: linear-gradient(135deg, #e8e0d8 0%, #ddd4c8 40%, #e2d8d0 70%, #d8d0c8 100%);
  --name-gradient: linear-gradient(90deg, #c0392b 0%, #e67e22 25%, #68298a 55%, #2980b9 80%, #8e44ad 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-smooth: 300ms ease-out;
}

/* Dark Mode */
[data-theme="dark"] {
  --primary-color: #c084fc;
  --text-primary: #f1f0ee;
  --text-secondary: #b0aaa4;
  --text-muted: #6b6560;
  --background: #1a1a1a;
  --background-subtle: #2d2d2d;
  --card-background: #242424;
  --border-light: #383838;
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.5);
  --bg-gradient: linear-gradient(135deg, #1a1820 0%, #1e1a2e 35%, #1a1e28 65%, #201a1e 100%);
  --name-gradient: linear-gradient(90deg, #ff8a80 0%, #ffb74d 25%, #e040fb 55%, #64b5f6 80%, #f48fb1 100%);
}

/* System preference detection */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --primary-color: #c084fc;
    --text-primary: #f1f0ee;
    --text-secondary: #b0aaa4;
    --text-muted: #6b6560;
    --background: #1a1a1a;
    --background-subtle: #2d2d2d;
    --card-background: #242424;
    --border-light: #383838;
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.5);
    --bg-gradient: linear-gradient(135deg, #1a1820 0%, #1e1a2e 35%, #1a1e28 65%, #201a1e 100%);
    --name-gradient: linear-gradient(90deg, #ff8a80 0%, #ffb74d 25%, #e040fb 55%, #64b5f6 80%, #f48fb1 100%);
  }
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
}

body {
  height: 100%;
  font-family: var(--font-primary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--card-background);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
  z-index: 100;
  box-shadow: var(--shadow-subtle);
}

.theme-toggle:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: var(--shadow-soft);
}

.theme-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(104, 41, 138, 0.2);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  stroke: currentColor;
  fill: none;
  transition: all var(--transition-fast);
}

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

[data-theme="dark"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: block;
}

/* System dark mode */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun-icon {
    display: none;
  }

  :root:not([data-theme="light"]) .theme-toggle .moon-icon {
    display: block;
  }
}

/* Layout */
.container {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--spacing-md);
  background: var(--bg-gradient);
  transition: background var(--transition-smooth);
}

.card {
  position: relative;
  background: var(--card-background);
  padding: var(--spacing-3xl) var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-light);
  max-width: 480px;
  width: 100%;
  text-align: center;
  transform: translateY(20px);
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 100%;
}

/* Typography */
.name {
  font-size: clamp(2rem, 6vw, 2.8rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary); /* fallback for non-supporting browsers */
  background: var(--name-gradient);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-xs);
  line-height: 1.1;
  text-transform: uppercase;
  animation: gradientShift 6s ease-in-out infinite;
  display: block;
  width: 100%;
  text-align: center;
  word-wrap: break-word;
  hyphens: auto;
  box-sizing: border-box;
}

.title {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.01em;
}

.company {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: var(--font-weight-normal);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.005em;
}

/* Accent Element - Geometric Shape */
.accent-element {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  clip-path: polygon(0% 0%, 100% 0%, 100% 70%, 70% 100%, 0% 100%);
  opacity: 0;
  animation: slideIn 1s ease-out 0.4s forwards;
}

.accent-element::after {
  content: '';
  position: absolute;
  right: -12px;
  top: -12px;
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  animation: rotate 4s linear infinite 1.2s;
}

.accent-element::before {
  content: '';
  position: absolute;
  left: -20px;
  bottom: -20px;
  width: 12px;
  height: 12px;
  background: linear-gradient(45deg, var(--primary-color), #8a4baf);
  transform: rotate(45deg);
  animation: pulse 3s ease-in-out infinite 2s;
}

/* LinkedIn Link */
.linkedin-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: 0.95rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition-smooth);
  background: var(--card-background);
  position: relative;
  overflow: hidden;
}

.linkedin-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(104, 41, 138, 0.05), transparent);
  transition: left var(--transition-smooth);
}

.linkedin-link:hover::before {
  left: 100%;
}

.linkedin-link:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.linkedin-link:focus {
  outline: none;
  color: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(104, 41, 138, 0.1);
}

.linkedin-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.linkedin-link:hover .linkedin-icon {
  transform: scale(1.1);
}

/* Animations */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.2);
  }
}

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

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Mobile Responsive */
@media (max-width: 480px) {
  .card {
    padding: var(--spacing-xl) var(--spacing-md);
    margin: var(--spacing-sm);
  }

  .name {
    font-size: clamp(1.5rem, 5vw, 2rem);
    letter-spacing: -0.02em;
  }

  .accent-element {
    width: 30px;
    height: 30px;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
  }

  .accent-element::after {
    width: 12px;
    height: 12px;
    right: -8px;
    top: -8px;
  }

  .accent-element::before {
    width: 8px;
    height: 8px;
    left: -15px;
    bottom: -15px;
  }

  .linkedin-link {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
  }
}

/* Tablet */
@media (min-width: 481px) and (max-width: 768px) {
  .card {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
}

/* Desktop and larger */
@media (min-width: 769px) {
  .card {
    padding: var(--spacing-3xl);
  }

  .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    transition: all var(--transition-smooth);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --text-secondary: #333333;
    --border-light: #cccccc;
  }
}

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

  .card {
    opacity: 1;
    transform: none;
  }

  .accent-element {
    opacity: 1;
  }

  .name {
    background-position: 0% 50%;
    animation: none;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
  }

  .card {
    box-shadow: none;
    background: white;
    border: 1px solid #ccc;
  }

  .linkedin-link {
    color: var(--text-primary) !important;
  }
}