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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #141419;
  --bg-card: #1a1a24;
  --text-primary: #ffffff;
  --text-secondary: #a8a8b8;
  --accent: #d4af37;
  --accent-glow: rgba(212, 175, 55, 0.3);
  --border: rgba(255, 255, 255, 0.1);
  --shadow: rgba(0, 0, 0, 0.5);
}

[data-theme="rose"] {
  --bg-primary: #1a1416;
  --bg-secondary: #261a1d;
  --bg-card: #2f2328;
  --accent: #ff9fb0;
  --accent-glow: rgba(255, 159, 176, 0.3);
}

[data-theme="light"] {
  --bg-primary: #f8f6f4;
  --bg-secondary: #ffffff;
  --bg-card: #fafafa;
  --text-primary: #2c2c2c;
  --text-secondary: #6d6a68;
  --accent: #d4a373;
  --accent-glow: rgba(212, 163, 115, 0.3);
  --border: rgba(0, 0, 0, 0.1);
  --shadow: rgba(0, 0, 0, 0.1);
}

[data-theme="violet"] {
  --bg-primary: #0f0a15;
  --bg-secondary: #1a0f25;
  --bg-card: #24182f;
  --accent: #b38bfa;
  --accent-glow: rgba(179, 139, 250, 0.3);
}

[data-theme="emerald"] {
  --bg-primary: #0a0f0c;
  --bg-secondary: #0f1812;
  --bg-card: #152420;
  --accent: #00c76f;
  --accent-glow: rgba(0, 199, 111, 0.3);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: all 0.3s ease;
}

.floating-controls {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--bg-card);
  border-radius: 50px;
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px var(--shadow);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 10px;
  border-radius: 50%;
  transition: background 0.3s ease;
}

.menu-toggle:hover {
  background: var(--bg-secondary);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  position: relative;
  transition: background 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  left: 0;
  transition: transform 0.3s ease;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.menu-toggle.active .hamburger {
  background: transparent;
}

.menu-toggle.active .hamburger::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .hamburger::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

.controls-dropdown {
  display: flex;
  gap: 10px;
  padding: 10px;
}

.controls-dropdown select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s ease;
}

.controls-dropdown select:hover {
  background: var(--bg-secondary);
}

.controls-dropdown select:focus {
  outline: 2px solid var(--accent);
}

.hero-section {
  text-align: center;
  padding: 120px 20px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, var(--accent-glow), transparent 70%);
  animation: pulse 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.profile-image {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 4px solid var(--accent);
  box-shadow: 0 0 40px var(--accent-glow), 0 20px 60px var(--shadow);
  margin: 0 auto 30px;
  object-fit: cover;
  animation: fadeInScale 1s ease-out;
}

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

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--accent), var(--text-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 1s ease-out 0.2s both;
}

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

.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 20px;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.stats-container {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.8s both;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  color: var(--text-primary);
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--accent);
  margin: 20px auto 0;
  border-radius: 2px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 80px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}

.skill-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px var(--shadow), 0 0 40px var(--accent-glow);
  border-color: var(--accent);
}

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.skill-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.skill-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-details {
  margin-top: 20px;
}

.detail-section {
  margin-bottom: 25px;
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: 15px;
  border-left: 3px solid var(--accent);
  transition: all 0.3s ease;
}

.detail-section:hover {
  background: var(--bg-primary);
  transform: translateX(5px);
}

.detail-title {
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-list {
  list-style: none;
  padding: 0;
}

.detail-list li {
  padding: 8px 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 20px;
}

.detail-list li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}

.badges-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 15px;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, var(--accent-glow), transparent);
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  transition: all 0.3s ease;
}

.badge:hover {
  background: var(--accent);
  color: var(--bg-primary);
  transform: scale(1.05);
}

.cta-section {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border-radius: 30px;
  border: 1px solid var(--border);
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--accent-glow), transparent 50%);
  animation: rotate 20s linear infinite;
  pointer-events: none;
}

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

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.cta-text {
  color: var(--text-secondary);
  margin-bottom: 30px;
  font-size: 1.1rem;
}

.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 35px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 10px 30px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px var(--accent-glow);
}

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

.btn-secondary:hover {
  background: var(--accent);
  color: var(--bg-primary);
  transform: translateY(-3px);
}

footer {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  margin-top: 60px;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-20px); }
  60% { transform: translateX(-50%) translateY(-10px); }
}

@media (max-width: 768px) {
  .floating-controls {
    top: 10px;
    right: 10px;
    border-radius: 12px;
  }

  .menu-toggle {
    display: block;
  }

  .controls-dropdown {
    position: absolute;
    top: 54px;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px;
    flex-direction: column;
    min-width: 180px;
    box-shadow: 0 8px 32px var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
  }

  .controls-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .controls-dropdown select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
  }

  .hero-section {
    padding: 100px 20px 60px;
  }

  .stats-container {
    gap: 20px;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-buttons {
    flex-direction: column;
    align-items: stretch;
  }
}

.sr-only {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}