/* style.css - Современный минималистичный дизайн */
/* ============ CSS Variables ============ */
:root {
  /* Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: rgba(255, 255, 255, 0.02);
  --border: rgba(255, 255, 255, 0.08);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --accent: #6366f1;
  --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
 
  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
 
  /* Spacing */
  --container-padding: 1.5rem;
  --section-spacing: 6rem;
 
  /* Effects */
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  --glow: 0 0 40px rgba(99, 102, 241, 0.15);
  --border-radius: 12px;
 
  --transition-x: 50%;
  --transition-y: 50%;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: rgba(0, 0, 0, 0.02);
  --border: rgba(0, 0, 0, 0.08);
  --text-primary: #0f172a;
  --text-secondary: rgba(15, 23, 42, 0.7);
  --text-muted: rgba(15, 23, 42, 0.5);
}

/* View Transition for theme toggle */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.8s;
  animation-timing-function: ease;
}

::view-transition-old(root) {
  animation: none;
}

::view-transition-new(root) {
  animation-name: reveal;
}

@keyframes reveal {
  from {
    clip-path: circle(0 at var(--transition-x) var(--transition-y));
  }
  to {
    clip-path: circle(150% at var(--transition-x) var(--transition-y));
  }
}

/* ============ Base Styles ============ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ============ Background ============ */
.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.15;
  animation: float 6s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-gradient);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, #10b981, #06b6d4);
  bottom: -150px;
  left: -150px;
  animation-delay: -3s;
}

.grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

[data-theme="dark"] .grid-pattern {
  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);
}

[data-theme="light"] .grid-pattern {
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
}

/* ============ Layout ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.page-wrapper {
  min-height: 100vh;
  position: relative;
}

/* ============ Header ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

[data-theme="dark"] .header {
  background: rgba(10, 10, 10, 0.8);
}

[data-theme="light"] .header {
  background: transparent !important;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: 8px;
  color: white;
}

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

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.theme-icon {
  font-size: 16px;
  width: 1.5em;
  height: 1.5em;
  display: inline-block;
}

/* ============ Hero Section ============ */
.hero {
  padding: 120px 0 80px;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: 80vh;
}

.hero-text {
  max-width: 600px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

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

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

/* Hero Actions */
.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.3);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* Tech Stack */
.tech-stack {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tech-label {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.tech-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tech-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.floating-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  animation: float 3s ease-in-out infinite;
}

.card-1 {
  max-width: 300px;
}

.card-header {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.card-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.card-dot.red { background: #ef4444; }
.card-dot.yellow { background: #eab308; }
.card-dot.green { background: #22c55e; }

.card-content {
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
}

.code-comment {
  color: #6b7280;
}

.code-keyword {
  color: #ef4444;
}

.code-function {
  color: #3b82f6;
}

/* ============ Sections ============ */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.projects,
.about,
.contact {
  padding: var(--section-spacing) 0;
}

/* ============ Projects Grid ============ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

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

.project-card a {
  text-decoration: none;
}

/* ============ About Section ============ */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.feature-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.feature-text strong {
  font-weight: 600;
}

.feature-text span {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ============ Contact Section ============ */
.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.contact-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 300px;
  margin: 0 auto;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

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

.contact-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 8px;
  color: var(--accent);
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.contact-info strong {
  font-weight: 600;
}

.contact-info span {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ============ Footer ============ */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

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

.footer-text p {
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* ============ Animations ============ */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* ============ Responsive Design ============ */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
 
  .hero-title {
    font-size: 2.5rem;
  }
 
  .hero-actions {
    justify-content: center;
    flex-wrap: wrap;
  }
 
  .tech-stack {
    flex-direction: column;
    gap: 1rem;
  }
 
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
 
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
 
  .nav {
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
 
  .hero-title {
    font-size: 2rem;
  }
 
  .section-title {
    font-size: 2rem;
  }
 
  .projects-grid {
    grid-template-columns: 1fr;
  }
}