/* === VARIABLES === */
:root {
  --bg-primary: #0D0D0D;
  --bg-secondary: #1A1A2E;
  --bg-card: #16213E;
  --bg-surface: #1a1a1a;
  --text-primary: #F5F5F5;
  --text-secondary: #A0AEC0;
  --text-muted: #718096;
  --accent-orange: #E8811A;
  --accent-amber: #F59E0B;
  --accent-emerald: #10B981;
  --accent-orange-dark: #c46a0a;
  --border-color: #2D3748;
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-georgian: 'Noto Sans Georgian', sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
  --transition: 0.3s ease;
  --container-max: 1200px;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-orange); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-amber); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section {
  padding: 5rem 0;
}
.section-dark {
  background: var(--bg-secondary);
}

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
}
.logo:hover { color: var(--text-primary); }
.logo-img { height: 40px; width: 40px; border-radius: 50%; object-fit: cover; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.logo-name-geo {
  font-family: var(--font-georgian);
  font-size: 0.75rem;
  color: var(--accent-orange);
  font-weight: 400;
}
.main-nav { display: flex; align-items: center; gap: 1rem; }
.nav-list { display: flex; gap: 0.25rem; }
.nav-link {
  display: block;
  padding: 0.5rem 0.85rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(232, 129, 26, 0.1);
}
.nav-link.active { color: var(--accent-orange); }
.nav-social { display: flex; gap: 0.5rem; margin-left: 0.5rem; }
.social-link {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  transition: all var(--transition);
}
.social-link:hover { color: var(--accent-orange); background: rgba(232,129,26,0.15); }
.nav-toggle { display: none; }

/* === HAMBURGER === */
.hamburger {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary);
  position: relative;
  transition: all var(--transition);
}
.hamburger::before, .hamburger::after {
  content: ''; position: absolute; left: 0;
  width: 24px; height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger::after { top: 0; transform: rotate(-45deg); }

/* === FOOTER === */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand .logo-name { font-size: 1.2rem; }
.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  max-width: 280px;
}
.footer-social { display: flex; gap: 0.75rem; }
.footer-links h4, .footer-contact h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}
.footer-links ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent-orange); }
.footer-contact p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.footer-contact a { color: var(--text-secondary); }
.footer-contact a:hover { color: var(--accent-orange); }
.footer-bottom {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--accent-orange);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-orange-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(232,129,26,0.4);
}
.btn-secondary {
  background: transparent;
  color: var(--accent-orange);
  border: 2px solid var(--accent-orange);
}
.btn-secondary:hover {
  background: var(--accent-orange);
  color: #fff;
  transform: translateY(-2px);
}
.btn-emerald {
  background: var(--accent-emerald);
  color: #fff;
}
.btn-emerald:hover {
  background: #0d9668;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(16,185,129,0.4);
}

/* === FORMS === */
.form-group {
  margin-bottom: 1.5rem;
}
.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-orange);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { cursor: pointer; }
.form-select option { background: var(--bg-primary); }
.form-error {
  color: #ef4444;
  font-size: 0.8rem;
  margin-top: 0.3rem;
  display: none;
}
.form-group.error .form-error { display: block; }
.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
  border-color: #ef4444;
}

/* === UTILITY === */
.text-center { text-align: center; }
.text-accent { color: var(--accent-orange); }
.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
}
.section-subtitle.centered {
  margin-left: auto;
  margin-right: auto;
}

/* === SUCCESS MESSAGE === */
.success-message {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--accent-emerald);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
}
.success-message h3 {
  color: var(--accent-emerald);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}
.success-message p {
  color: var(--text-secondary);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    z-index: 1001;
  }
  .main-nav {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.35s ease;
  }
  .main-nav.open {
    max-height: 500px;
    opacity: 1;
    pointer-events: all;
    padding: 1rem 0;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 1.5rem;
  }
  .nav-link {
    font-size: 1rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    text-align: left;
  }
  .nav-social {
    margin-left: 0;
    padding: 0.75rem 1.5rem 0.5rem;
    justify-content: center;
    border-top: 1px solid var(--border-color);
    margin-top: 0.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .section { padding: 3.5rem 0; }
  .section-title { font-size: 2rem; }
}