/* ==========================================================================
   ВыхлопМСК — Modern Mobile-First Automotive Design System
   ========================================================================== */

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: #1a2234;
  --bg-card-hover: #222d44;
  --border-color: #2b384e;
  --accent-color: #f59e0b;
  --accent-hover: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.25);
  --accent-green: #10b981;
  --accent-green-bg: rgba(16, 185, 129, 0.12);
  --accent-red: #ef4444;
  --text-main: #f9fafb;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 16px;
  padding-bottom: 70px; /* space for mobile bottom bar */
}

@media (min-width: 900px) {
  body {
    padding-bottom: 0;
  }
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: 26px; margin-bottom: 14px; }
h2 { font-size: 22px; margin-bottom: 12px; }
h3 { font-size: 18px; margin-bottom: 8px; }

@media (min-width: 768px) {
  h1 { font-size: 38px; }
  h2 { font-size: 28px; }
  h3 { font-size: 20px; }
}

a {
  color: var(--accent-color);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  font-size: 15px;
  transition: all 0.15s ease-in-out;
  text-decoration: none !important;
}

.btn-primary {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #0b0f19;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  transform: translateY(-1px);
}

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

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  background-color: var(--accent-glow);
  color: var(--accent-color);
  border: 1px solid rgba(245, 158, 11, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Top bar */
.top-bar {
  background-color: #070a12;
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  padding: 8px 0;
  color: var(--text-muted);
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-hours {
  display: none;
}
@media (min-width: 768px) {
  .top-bar-hours { display: inline; }
}

/* Header */
.header {
  background-color: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
}
.logo-icon {
  font-size: 24px;
}
.logo-title {
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  letter-spacing: -0.3px;
}
.logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 20px;
}
.nav-desktop a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}
.nav-desktop a:hover {
  color: var(--accent-color);
  text-decoration: none;
}

@media (min-width: 960px) {
  .nav-desktop { display: flex; }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.phone-link {
  display: none;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none !important;
}
.phone-link:hover {
  color: var(--accent-color);
}
@media (min-width: 600px) {
  .phone-link { display: flex; }
}

.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
}
@media (min-width: 960px) {
  .mobile-menu-toggle { display: none; }
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 16px;
}
.mobile-drawer.open {
  display: block;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}
.mobile-nav-link {
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Hero Section */
.hero {
  padding: 40px 0 30px;
  position: relative;
  background: radial-gradient(circle at top right, rgba(245, 158, 11, 0.08), transparent 50%);
}
.hero-content {
  max-width: 760px;
}
.hero-sub {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}
@media (min-width: 768px) {
  .hero-sub { font-size: 18px; }
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}
@media (min-width: 600px) {
  .hero-stats-row { grid-template-columns: repeat(4, 1fr); }
}

.stat-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
}
.stat-box-val {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-color);
}
.stat-box-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Answer-First Box (GEO/LLM Requirement) */
.answer-first-card {
  background-color: rgba(245, 158, 11, 0.08);
  border-left: 4px solid var(--accent-color);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 20px 0 28px;
  font-size: 15px;
  line-height: 1.6;
  color: #fff;
}
.answer-first-card strong {
  color: var(--accent-color);
}

/* Interactive Calculator */
.calc-card {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-secondary));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
  box-shadow: var(--shadow-lg);
}
.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 18px;
}
@media (min-width: 768px) {
  .calc-grid { grid-template-columns: 1fr 1fr; }
}

.calc-result-box {
  background-color: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.calc-price-val {
  font-size: 32px;
  font-weight: 900;
  color: var(--accent-color);
  margin: 6px 0;
}
.calc-bonus-badge {
  background-color: var(--accent-green-bg);
  color: var(--accent-green);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}

/* Form inputs */
.form-group {
  margin-bottom: 14px;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-input, .form-select {
  width: 100%;
  padding: 11px 14px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.form-input:focus, .form-select:focus {
  border-color: var(--accent-color);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 24px 0 40px;
}
@media (min-width: 600px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s, border-color 0.15s;
}
.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
}
.service-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: rgba(245, 158, 11, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.service-card-icon img {
  width: 24px;
  height: 24px;
}
.service-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.service-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}
.service-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
  font-size: 13px;
}
.service-card-price {
  font-weight: 800;
  color: var(--accent-color);
  font-size: 15px;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin: 20px 0 32px;
}
.site-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}
.site-table th {
  background-color: var(--bg-card);
  color: var(--text-muted);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}
.site-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.site-table tr:hover {
  background-color: rgba(255,255,255,0.02);
}

/* Step list */
.workflow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 20px 0 36px;
}
@media (min-width: 600px) {
  .workflow-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .workflow-grid { grid-template-columns: repeat(3, 1fr); }
}

.step-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 18px;
  position: relative;
}
.step-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--accent-color);
  opacity: 0.3;
  position: absolute;
  top: 12px;
  right: 14px;
}
.step-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.step-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 20px 0 40px;
}
.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-question {
  padding: 14px 18px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-icon {
  font-size: 18px;
  color: var(--accent-color);
  transition: transform 0.2s;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 18px 16px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: none;
}
.faq-item.active .faq-answer {
  display: block;
}

/* Footer */
.footer {
  background-color: #070a12;
  border-top: 1px solid var(--border-color);
  padding: 40px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}
@media (min-width: 600px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.2fr; }
}

.footer-heading {
  font-size: 15px;
  color: #fff;
  margin-bottom: 14px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 13px;
}
.footer-links a:hover {
  color: var(--accent-color);
}

/* Mobile Sticky Bottom Bar */
.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(17, 24, 39, 0.98);
  border-top: 1px solid var(--border-color);
  display: flex;
  height: 60px;
  z-index: 99;
}
@media (min-width: 900px) {
  .mobile-bottom-bar { display: none; }
}

.mobile-bar-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none !important;
  border: none;
  background: none;
  cursor: pointer;
}
.mobile-bar-btn span:first-child {
  font-size: 18px;
}
.mobile-bar-btn.call {
  color: #fff;
  background: rgba(59, 130, 246, 0.15);
}
.mobile-bar-btn.max-btn {
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.15);
}
.mobile-bar-btn.whatsapp {
  color: #25d366;
  background: rgba(37, 211, 102, 0.15);
}
.mobile-bar-btn.calc {
  color: var(--accent-color);
  background: var(--accent-glow);
}

/* Real Works Gallery & Map Container */
.real-works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.real-work-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.real-work-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.real-work-card:hover img {
  transform: scale(1.03);
}
.real-work-meta {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--text-muted);
}
.real-work-title {
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 4px;
}

.map-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 24px 0;
}
.map-iframe-container {
  width: 100%;
  height: 380px;
  position: relative;
  background: #111827;
}
.map-iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.map-actions-bar {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(0,0,0,0.3);
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 200;
}
.modal-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-width: 440px;
  width: 100%;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}
.modal-body {
  padding: 20px;
}

/* ==========================================================================
   Sticky Article Consultation Bar (UX, Mobile & Minimization)
   ========================================================================== */
.sticky-article-bar {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 860px;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  box-shadow: 0 12px 35px rgba(0,0,0,0.6);
  z-index: 950;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  transition: all 0.25s ease;
}

.sticky-article-bar.minimized {
  width: auto;
  max-width: none;
  padding: 8px 16px;
  border-radius: 30px;
  background: rgba(26, 34, 52, 0.95);
  border-color: var(--accent-color);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  cursor: pointer;
  bottom: 16px;
}

.sticky-article-bar.minimized .bar-full-content {
  display: none !important;
}

.sticky-article-bar.minimized .bar-minimized-content {
  display: flex !important;
}

.sticky-article-bar.minimized .bar-btn-close {
  display: none !important;
}

.sticky-article-bar.is-hidden {
  display: none !important;
}

.bar-minimized-content {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.bar-btn-close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1;
  padding: 4px 6px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s ease;
  z-index: 10;
}

.bar-btn-close:hover {
  color: #fff;
  background: rgba(255,255,255,0.14);
}

@media (max-width: 768px) {
  .sticky-article-bar {
    bottom: 74px; /* sits above mobile navigation bar */
    padding: 10px 14px;
    gap: 8px;
  }
  .sticky-article-bar.minimized {
    bottom: 76px;
    right: 16px;
    left: auto;
    transform: none;
  }
  .sticky-article-bar .bar-subtitle {
    display: none !important;
  }
  .sticky-article-bar .btn {
    padding: 6px 10px !important;
    font-size: 11px !important;
  }
}

@media (max-width: 520px) {
  .sticky-article-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 10px 12px;
  }
  .sticky-article-bar .bar-left-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .sticky-article-bar .bar-actions {
    display: flex;
    justify-content: space-between;
    gap: 6px;
    margin-top: 4px;
  }
  .sticky-article-bar .bar-actions .btn {
    flex: 1;
    text-align: center;
    justify-content: center;
  }
}