/* Base Styles and CSS Variables */
:root {
  /* Dark theme */
  --dark-bg: #1a0b2e;                    /* Глубокий, но более светлый фиолетовый фон */
  --dark-bg-secondary: #241138;         /* Фон секций — мягкий тёмно-фиолетовый */
  --dark-text: #f5f3ff;                 /* Очень светлый текст с лавандовым оттенком */
  --dark-text-secondary: #d8b4fe;       /* Сиреневый для второстепенного текста */

  --dark-border: #8b5cf6;               /* Светло-фиолетовый для границ */
  --dark-card: #2a1844;                 /* Тёмная карточка (смесь фиолетового и графита) */
  --dark-card-hover: #3b2360;           /* Hover — светлее и насыщеннее */

  --dark-accent: #a855f7;               /* Основной акцент — яркий фиолетовый */
  --dark-accent-hover: #c084fc;         /* Hover — нежно-фиолетовый */
  --dark-accent-secondary: #9333ea;     /* Второстепенный акцент — насыщенный пурпур */

  --dark-shadow: rgba(168, 85, 247, 0.18); /* Фиолетовая мягкая тень */
  --dark-input-bg: #201234;             /* Инпуты — тёмно-фиолетовый */
  --dark-code-bg: #2a1844;              /* Бэкграунд кода */

  --dark-badge-bg: #8b5cf6;             /* Фон бейджа — светло-фиолетовый */
  --dark-badge-text: #f5f3ff;           /* Текст бейджа — светлый (контраст) */

  --dark-tag-bg: #9333ea;               /* Тег-фон — пурпурный */
  --dark-tag-text: #ede9fe;             /* Светлый лавандовый текст */


  /* Default theme (will be overridden by JS) */
  --bg: var(--dark-bg);
  --bg-secondary: var(--dark-bg-secondary);
  --text: var(--dark-text);
  --text-secondary: var(--dark-text-secondary);
  --border: var(--dark-border);
  --card: var(--dark-card);
  --card-hover: var(--dark-card-hover);
  --accent: var(--dark-accent);
  --accent-hover: var(--dark-accent-hover);
  --accent-secondary: var(--dark-accent-secondary);
  --shadow: var(--dark-shadow);
  --input-bg: var(--dark-input-bg);
  --code-bg: var(--dark-code-bg);
  --badge-bg: var(--dark-badge-bg);
  --badge-text: var(--dark-badge-text);
  --tag-bg: var(--dark-tag-bg);
  --tag-text: var(--dark-tag-text);

  /* Common variables */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
  --container-width: 1200px;
  --gradient: linear-gradient(90deg, var(--accent) 0%, var(--accent-secondary) 100%);
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: var(--transition);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans",
    "Helvetica Neue", sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  position: relative;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style-type: none;
}

/* Noise overlay */
.noise {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  z-index: -1;
  pointer-events: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.2;
  margin-bottom: 1rem;
  font-weight: 700;
}

.section-header {
  margin-bottom: 3rem;
  text-align: center;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 0.5rem;
  position: relative;
}

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

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

/* Header and Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(var(--border), 0.1);
  padding: 1rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  /* background: var(--gradient);
  border-radius: var(--radius-sm); */
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.logo-mark img{
  height: 83%;
}

.logo-text {

}

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

.nav-link {
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 50%;
  transition: background-color 0.2s;
}

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

.theme-icon {
  display: block;
}

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

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

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

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

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--text);
  transition: all 0.3s;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.lang-toggle {
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: background-color 0.2s;
}

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

.lang-toggle.active {
  color: var(--accent);
  font-weight: 600;
}

.lang-icon {
  margin-right: 0.25rem;
}

/* Hero Section */
.hero-section {
  padding: 6rem 0 8rem;
  position: relative;
  overflow: hidden;
}

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

.badge {
  display: inline-block;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1.5rem;
}

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

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.project-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
  justify-content: center;
}

.hero-visual {
  position: relative;
}

.code-window {
  background-color: var(--code-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px var(--shadow);
  border: 1px solid rgba(var(--border), 0.1);
}

.code-header {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background-color: rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(var(--border), 0.1);
}

.code-dots {
  display: flex;
  gap: 0.5rem;
}

.code-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
}

.code-dots span:nth-child(1) {
  background-color: #ff5f56;
}

.code-dots span:nth-child(2) {
  background-color: #ffbd2e;
}

.code-dots span:nth-child(3) {
  background-color: #27c93f;
}

.code-title {
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.code-content {
  padding: 1.5rem;
  font-family: "Space Mono", monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
}

.code-keyword {
  color: #c678dd;
}

.code-variable {
  color: #e06c75;
}

.code-property {
  color: #e5c07b;
}

.code-string {
  color: #98c379;
}

.code-boolean {
  color: #56b6c2;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  justify-content: center;
}

.social-link {
  color: var(--text-secondary);
  transition: color 0.2s;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--card);
  box-shadow: 0 4px 6px var(--shadow);
}

.social-link:hover {
  color: var(--accent);
  transform: translateY(-3px);
}

.section-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.section-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 70px;
  fill: var(--bg-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  border: none;
  box-shadow: 0 4px 6px var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 15px var(--shadow);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

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

/* Skills Section */
.skills-section {
  padding: 6rem 0;
  background-color: var(--bg-secondary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.skill-card {
  background-color: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 4px 6px var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(var(--border), 0.1);
}

.skill-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px var(--shadow);
}

.skill-icon {
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.skill-card h3 {
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 1rem;
}

.skill-list {
  color: var(--text-secondary);
}

.skill-list li {
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.5rem;
}

.skill-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Services Section */
.services-section {
  padding: 6rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 4px 6px var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(var(--border), 0.1);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px var(--shadow);
}

.service-icon {
  color: var(--accent);
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
}

.service-title {
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 1rem;
}

.service-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.service-features li {
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.5rem;
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.service-price {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

/* Projects Section */
.projects-section {
  padding: 6rem 0;
  background-color: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 6px var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(var(--border), 0.1);
  height: 100%;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px var(--shadow);
}

.project-content {
  padding: 2rem;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.project-folder {
  color: var(--accent);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-links a {
  color: var(--text-secondary);
  transition: color 0.2s;
}

.project-links a:hover {
  color: var(--accent);
}

.project-title {
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 1rem;
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

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

.tag {
  background-color: var(--tag-bg);
  color: var(--tag-text);
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
}

/* Contact Section */
.contact-section {
  padding: 6rem 0;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  color: var(--text-secondary);
}

.contact-links {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text);
  transition: all 0.2s;
  padding: 1rem;
  border-radius: var(--radius);
  background-color: var(--card);
  box-shadow: 0 4px 6px var(--shadow);
}

.contact-link:hover {
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 15px var(--shadow);
}

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

.contact-form {
  background-color: var(--card);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 6px var(--shadow);
  border: 1px solid rgba(var(--border), 0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(var(--border), 0.2);
  border-radius: var(--radius-sm);
  background-color: var(--input-bg);
  color: var(--text);
  font-family: inherit;
  transition: all 0.2s;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent), 0.1);
}

/* Footer */
.footer {
  background-color: var(--bg);
  border-top: 1px solid rgba(var(--border), 0.1);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  justify-content: flex-end;
}

.footer-nav a {
  color: var(--text-secondary);
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(var(--border), 0.1);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.heart {
  color: #e25555;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero-content {
    display: block;
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-nav {
    justify-content: flex-start;
    gap: 1.3rem;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }

  .nav-items {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--bg);
    border-bottom: 1px solid rgba(var(--border), 0.1);
    padding: 1.5rem;
    box-shadow: 0 4px 6px var(--shadow);
    transform: translateY(-150%);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    z-index: 99;
  }

  .nav-items.active {
    transform: translateY(0);
    opacity: 1;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .project-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

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

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .lang-switcher {
    margin-right: 0.5rem;
  }
}

.lang-toggle img {
  width: 25.5px;
  height: auto;
}