/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #1a3a5c;
  --color-primary-dark: #0f2840;
  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-border: #e2e8f0;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --radius: 8px;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 25px -5px rgb(0 0 0 / 0.1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-accent); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }

/* ===== Typography ===== */
h1, h2, h3, h4 { line-height: 1.3; color: var(--color-primary-dark); font-weight: 700; }
h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.875rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; }
ul, ol { margin-bottom: 1rem; padding-left: 1.5rem; }
li { margin-bottom: 0.4rem; }

.section-title { text-align: center; margin-bottom: 2.5rem; }
.section-title p { color: var(--color-text-light); max-width: 600px; margin: 0.5rem auto 0; }

/* ===== Header ===== */
.site-header {
  background: var(--color-primary-dark);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-top {
  background: var(--color-primary);
  padding: 0.5rem 0;
  font-size: 0.875rem;
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.header-top a { color: #fff; font-weight: 600; }
.header-top a:hover { color: var(--color-accent); }

.header-main { padding: 0.75rem 0; position: relative; }

.header-main .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo { display: flex; align-items: center; gap: 0.75rem; color: #fff; }
.logo:hover { color: #fff; }
.logo-icon {
  width: 44px; height: 44px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.logo-text { font-size: 1.125rem; font-weight: 700; line-height: 1.2; }
.logo-text span { display: block; font-size: 0.75rem; font-weight: 400; opacity: 0.8; }

/* Navigation */
.nav-toggle {
  display: none;
  background: none; border: none; color: #fff;
  font-size: 1.5rem; cursor: pointer; padding: 0.25rem;
}

.main-nav ul { display: flex; list-style: none; gap: 0.25rem; padding: 0; margin: 0; }
.main-nav a {
  color: rgba(255,255,255,0.9);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active { background: rgba(255,255,255,0.1); color: #fff; }

.header-phone {
  display: flex; align-items: center; gap: 0.5rem;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
  transition: background 0.2s;
}
.header-phone:hover { background: var(--color-accent-hover); color: var(--color-primary-dark); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #2563eb 100%);
  color: #fff;
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

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

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero-subtitle { font-size: 1.125rem; opacity: 0.9; margin-bottom: 2rem; max-width: 520px; }

.hero-features { list-style: none; padding: 0; margin-bottom: 2rem; }
.hero-features li {
  padding: 0.5rem 0 0.5rem 1.75rem;
  position: relative;
  font-size: 1rem;
}
.hero-features li::before {
  content: '✓';
  position: absolute; left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.btn-primary { background: var(--color-accent); color: var(--color-primary-dark); }
.btn-primary:hover { background: var(--color-accent-hover); color: var(--color-primary-dark); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.4); }
.btn-outline:hover { border-color: #fff; color: #fff; }

.hero-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  padding: 2rem;
}

.hero-card h2 { color: #fff; font-size: 1.25rem; margin-bottom: 1.25rem; }
.price-list { list-style: none; padding: 0; }
.price-list li {
  display: flex; justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9375rem;
}
.price-list li:last-child { border-bottom: none; }
.price-list .price { color: var(--color-accent); font-weight: 700; font-size: 1.125rem; }

/* ===== Sections ===== */
section { padding: 4rem 0; }
section:nth-child(even) { background: var(--color-bg-alt); }

/* ===== Services Grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--color-primary), #2563eb);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.service-card h3 a { color: var(--color-primary-dark); }
.service-card h3 a:hover { color: var(--color-accent); }
.service-card p { color: var(--color-text-light); font-size: 0.9375rem; flex-grow: 1; }
.service-card .price-tag { color: var(--color-accent); font-weight: 700; margin-top: 1rem; }
.service-card .read-more {
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.875rem;
  display: inline-flex; align-items: center; gap: 0.25rem;
}

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

.advantage-item { text-align: center; padding: 1.5rem; }
.advantage-num {
  width: 48px; height: 48px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.25rem;
  margin: 0 auto 1rem;
}

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.5rem; }
.step {
  text-align: center;
  padding: 1.5rem 1rem;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  position: relative;
}
.step-num {
  width: 36px; height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  margin: 0 auto 1rem;
}

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  background: #fff;
}
.faq-question {
  width: 100%;
  background: none; border: none;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: inherit;
}
.faq-question::after { content: '+'; font-size: 1.25rem; color: var(--color-accent); flex-shrink: 0; }
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer-inner { padding: 0 1.5rem 1.25rem; color: var(--color-text-light); }

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 3.5rem 0;
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 0.75rem; }
.cta-banner p { opacity: 0.9; margin-bottom: 1.5rem; max-width: 500px; margin-left: auto; margin-right: auto; }

/* ===== Page Header (inner pages) ===== */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 2.5rem 0;
}
.page-header h1 { color: #fff; margin-bottom: 0.5rem; }
.page-header p { opacity: 0.85; margin: 0; }
.breadcrumbs { font-size: 0.875rem; margin-bottom: 1rem; opacity: 0.7; }
.breadcrumbs a { color: rgba(255,255,255,0.8); }
.breadcrumbs a:hover { color: #fff; }

/* ===== Content Page ===== */
.content-page { padding: 3rem 0 4rem; }
.content-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}

.article-date {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.content-main h2:first-child { margin-top: 0; }

.sidebar-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  position: sticky;
  top: 5rem;
}
.sidebar-card h3 { font-size: 1rem; margin-bottom: 1rem; }
.sidebar-nav { list-style: none; padding: 0; }
.sidebar-nav li { margin-bottom: 0.25rem; }
.sidebar-nav a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9375rem;
  color: var(--color-text);
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  background: var(--color-primary);
  color: #fff;
}

.info-box {
  background: #eff6ff;
  border-left: 4px solid var(--color-primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
}
.info-box.warning {
  background: #fffbeb;
  border-color: var(--color-accent);
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.contact-info { list-style: none; padding: 0; }
.contact-info li {
  display: flex; gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-info .icon {
  width: 44px; height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
}
.contact-info strong { display: block; margin-bottom: 0.25rem; }

.map-container {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  min-height: 350px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 3rem 0 1.5rem;
}

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

.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.site-footer a { color: rgba(255,255,255,0.7); }
.site-footer a:hover { color: var(--color-accent); }
.site-footer ul { list-style: none; padding: 0; }
.site-footer li { margin-bottom: 0.5rem; font-size: 0.9375rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-grid, .content-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-primary-dark);
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; }
  .main-nav a { display: block; padding: 0.75rem 1rem; }

  .header-phone { display: none; }
  .hero { padding: 2.5rem 0 3rem; }
  section { padding: 2.5rem 0; }
}

/* ===== Booking Form ===== */
.booking-section {
  background: var(--color-bg-alt);
}

.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}

.booking-info h2 { margin-bottom: 1rem; }
.booking-info p { color: var(--color-text-light); margin-bottom: 1.5rem; }

.booking-benefits {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.booking-benefits li {
  padding: 0.5rem 0 0.5rem 1.75rem;
  position: relative;
  font-size: 0.9375rem;
}

.booking-benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.telegram-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #229ED9;
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background 0.2s;
}

.telegram-link:hover { background: #1a8bc7; color: #fff; }

.booking-form-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.booking-form-card h3 {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  color: var(--color-text);
}

.form-group label .required { color: #dc2626; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  margin-top: 0.5rem;
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  display: none;
}

.form-message.success {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-message.error {
  display: block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

@media (max-width: 768px) {
  .booking-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .booking-form-card { padding: 1.5rem; }
}