/* ==========================================================================
   EcoDrain Septic - Engineering & Installation UX/UI Redesign 2026
   ========================================================================== */

:root {
  /* Color System */
  --bg-dark: #090e17;
  --bg-dark-elevated: #111a28;
  --bg-dark-card: #162235;
  --bg-dark-border: rgba(255, 255, 255, 0.08);
  
  --bg-light: #f8fafc;
  --bg-light-card: #ffffff;
  --bg-light-subtle: #f1f5f9;
  --bg-light-border: #e2e8f0;

  --brand-primary: #0f172a;
  --brand-blue: #0284c7;
  --brand-blue-glow: rgba(2, 132, 199, 0.25);
  --brand-emerald: #059669;
  --brand-emerald-light: #10b981;
  --brand-emerald-glow: rgba(16, 185, 129, 0.2);
  
  --brand-cta: #f97316;
  --brand-cta-hover: #ea580c;
  --brand-cta-glow: rgba(249, 115, 22, 0.35);

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --text-light-muted: #94a3b8;

  --telegram: #229ed9;
  --viber: #7360f2;
  --phone-green: #10b981;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Radius & Shadows */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 25px var(--brand-cta-glow);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 1240px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 70px; /* space for mobile sticky bar */
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   Header & Topbar
   ========================================================================== */
.topbar {
  background: #060910;
  color: var(--text-light-muted);
  font-size: 0.8125rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--bg-dark-border);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar__left, .topbar__right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #a7f3d0;
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--brand-emerald-light);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.military-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(234, 179, 8, 0.12);
  color: #fef08a;
  padding: 2px 10px;
  border-radius: 9999px;
  border: 1px solid rgba(234, 179, 8, 0.25);
  font-weight: 500;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 6px;
}

.lang-btn {
  color: #94a3b8;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.lang-btn.active, .lang-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}

/* Main Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(9, 14, 23, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bg-dark-border);
  transition: all var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo__symbol {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #059669 0%, #0284c7 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}

.logo__text-group {
  display: flex;
  flex-direction: column;
}

.logo__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1.1;
}

.logo__title span {
  color: #10b981;
}

.logo__subtitle {
  font-size: 0.6875rem;
  color: var(--text-light-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-menu {
  display: none;
  list-style: none;
  align-items: center;
  gap: 22px;
}

@media (min-width: 1080px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  color: #cbd5e1;
  font-size: 0.875rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}

.nav-link:hover {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-emerald-light);
  transition: width var(--transition-normal);
}

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

.nav-contacts {
  display: flex;
  align-items: center;
  gap: 12px;
}

.messengers-quick {
  display: flex;
  align-items: center;
  gap: 6px;
}

.msg-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.msg-icon--tg {
  background: var(--telegram);
}

.msg-icon--vb {
  background: var(--viber);
}

.msg-icon:hover {
  transform: translateY(-2px) scale(1.05);
  filter: brightness(1.1);
}

.phone-badge {
  display: none;
  flex-direction: column;
  text-align: right;
}

@media (min-width: 640px) {
  .phone-badge {
    display: flex;
  }
}

.phone-link {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.phone-link:hover {
  color: var(--brand-emerald-light);
}

.phone-caption {
  font-size: 0.6875rem;
  color: var(--text-light-muted);
}

.btn-header-cta {
  display: none;
  padding: 10px 18px;
  background: linear-gradient(135deg, var(--brand-cta) 0%, #ea580c 100%);
  color: white;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 14px var(--brand-cta-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

@media (min-width: 768px) {
  .btn-header-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
}

.btn-header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px var(--brand-cta-glow);
}

.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 8px;
  color: white;
}

@media (min-width: 1080px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: white;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background: var(--bg-dark);
  z-index: 1001;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid var(--bg-dark-border);
  box-shadow: -10px 0 30px rgba(0,0,0,0.5);
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Hero Section (2026 Engineering Aesthetic)
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.15) 0%, rgba(9, 14, 23, 1) 60%),
              radial-gradient(circle at 10% 80%, rgba(2, 132, 199, 0.12) 0%, rgba(9, 14, 23, 1) 70%),
              #090e17;
  color: #ffffff;
  padding: 48px 0 72px;
  overflow: hidden;
  border-bottom: 1px solid var(--bg-dark-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  z-index: 2;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  width: fit-content;
  letter-spacing: 0.02em;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #ffffff;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 2.75rem;
  }
}

@media (min-width: 1200px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #34d399 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.0625rem;
  color: #94a3b8;
  line-height: 1.6;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 6px;
}

.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--brand-cta) 0%, #ea580c 100%);
  color: #ffffff;
  padding: 16px 28px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 10px 24px var(--brand-cta-glow);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px var(--brand-cta-glow);
}

.btn-secondary-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.btn-secondary-dark:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Hero Micro Form */
.hero-micro-form {
  margin-top: 10px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  max-width: 540px;
}

.hero-micro-form__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-form-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

@media (min-width: 480px) {
  .hero-form-row {
    flex-wrap: nowrap;
  }
}

.hero-input {
  flex: 1;
  min-width: 180px;
  padding: 12px 16px;
  background: rgba(9, 14, 23, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 0.9375rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.hero-input:focus {
  border-color: var(--brand-emerald-light);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.hero-submit {
  padding: 12px 20px;
  background: var(--brand-emerald);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  white-space: nowrap;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.hero-submit:hover {
  background: var(--brand-emerald-light);
  transform: translateY(-1px);
}

/* Hero Visual & 3D Interactive Model Card */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.model-stage {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: linear-gradient(180deg, rgba(22, 34, 53, 0.6) 0%, rgba(9, 14, 23, 0.8) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.model-stage__img {
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: contain;
  filter: drop-shadow(0 15px 25px rgba(0,0,0,0.6));
  transition: transform var(--transition-slow);
}

.model-stage:hover .model-stage__img {
  transform: scale(1.03) rotate(-1deg);
}

/* Hotspots on schematic */
.hotspot {
  position: absolute;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--brand-cta);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7);
  animation: pulse-hotspot 2s infinite;
  transition: transform var(--transition-fast);
}

.hotspot:hover {
  transform: scale(1.2);
}

@keyframes pulse-hotspot {
  0% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(249, 115, 22, 0); }
  100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0); }
}

.hotspot-1 { top: 22%; left: 30%; }
.hotspot-2 { top: 48%; left: 62%; }
.hotspot-3 { top: 76%; left: 78%; }

.hotspot-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: #0f172a;
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all var(--transition-fast);
  z-index: 10;
  box-shadow: var(--shadow-lg);
}

.hotspot:hover .hotspot-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Floating Badges */
.floating-stat-card {
  position: absolute;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  z-index: 3;
}

.floating-stat-card--bottom {
  bottom: -15px;
  left: -15px;
}

.floating-stat-card--top {
  top: -15px;
  right: -15px;
}

.floating-stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-stat-val {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: #ffffff;
  line-height: 1.1;
}

.floating-stat-lbl {
  font-size: 0.75rem;
  color: #94a3b8;
}

/* Trust Metrics Strip */
.metrics-strip {
  background: #0f172a;
  border-bottom: 1px solid var(--bg-dark-border);
  padding: 24px 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (min-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.metric-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-emerald-light);
  flex-shrink: 0;
}

.metric-num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.625rem;
  color: #ffffff;
  line-height: 1.1;
}

.metric-label {
  font-size: 0.8125rem;
  color: #94a3b8;
  margin-top: 3px;
}

/* ==========================================================================
   Section Headers & Shared Components
   ========================================================================== */
.section {
  padding: 80px 0;
}

.section--alt {
  background: var(--bg-light-subtle);
}

.section--dark {
  background: #090e17;
  color: #ffffff;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(5, 150, 105, 0.1);
  color: var(--brand-emerald);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.section--dark .section-tag {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 14px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section--dark .section-title {
  color: #ffffff;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.section--dark .section-subtitle {
  color: #94a3b8;
}

/* ==========================================================================
   Interactive Calculator Section
   ========================================================================== */
.calc-wrapper {
  background: var(--bg-light-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--bg-light-border);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 992px) {
  .calc-wrapper {
    grid-template-columns: 1.25fr 0.75fr;
  }
}

.calc-params {
  padding: 36px 32px;
}

.calc-group {
  margin-bottom: 28px;
}

.calc-label {
  font-weight: 700;
  font-size: 1rem;
  color: var(--brand-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.calc-label-tip {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-muted);
}

.radio-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

@media (min-width: 560px) {
  .radio-cards-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
  .radio-cards-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.radio-card {
  position: relative;
  cursor: pointer;
}

.radio-card input {
  position: absolute;
  opacity: 0;
}

.radio-card__box {
  padding: 14px 12px;
  border: 2px solid var(--bg-light-border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-fast);
  background: var(--bg-light-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.radio-card input:checked + .radio-card__box {
  border-color: var(--brand-emerald);
  background: rgba(16, 185, 129, 0.06);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

.radio-card__title {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--brand-primary);
}

.radio-card__desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Plumbing Checkboxes */
.checkbox-pills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.checkbox-pill {
  cursor: pointer;
  position: relative;
}

.checkbox-pill input {
  position: absolute;
  opacity: 0;
}

.checkbox-pill__box {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-light-subtle);
  border: 1px solid var(--bg-light-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.checkbox-pill input:checked + .checkbox-pill__box {
  background: var(--brand-primary);
  color: white;
  border-color: var(--brand-primary);
}

/* Calculator Result Panel */
.calc-result-panel {
  background: linear-gradient(160deg, #090e17 0%, #162235 100%);
  color: white;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.calc-rec-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.calc-rec-badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.calc-rec-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
}

.calc-rec-specs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.calc-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.calc-spec-row .spec-name {
  color: #94a3b8;
}

.calc-spec-row .spec-val {
  font-weight: 600;
  color: #ffffff;
}

.calc-price-box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.calc-price-lbl {
  font-size: 0.8125rem;
  color: #94a3b8;
  margin-bottom: 4px;
}

.calc-price-val {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: #38bdf8;
  line-height: 1;
}

.calc-price-note {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 6px;
}

.calc-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-calc-tg {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--telegram);
  color: white;
  padding: 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.btn-calc-tg:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-calc-order {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--brand-cta) 0%, #ea580c 100%);
  color: white;
  padding: 14px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9375rem;
  box-shadow: 0 4px 16px var(--brand-cta-glow);
  transition: transform var(--transition-fast);
}

.btn-calc-order:hover {
  transform: translateY(-2px);
}

/* ==========================================================================
   Catalog Section
   ========================================================================== */
.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 768px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1080px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.package-card {
  background: var(--bg-light-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--bg-light-border);
  box-shadow: var(--shadow-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.package-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.package-card--popular {
  border: 2px solid var(--brand-emerald);
  box-shadow: 0 12px 30px rgba(5, 150, 105, 0.15);
}

.badge-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 5px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}

.package-header {
  margin-bottom: 20px;
}

.package-cam-count {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--brand-emerald);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.package-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1.2;
}

.package-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
  min-height: 42px;
}

.package-price-wrap {
  margin: 20px 0;
  padding: 16px 0;
  border-top: 1px solid var(--bg-light-border);
  border-bottom: 1px solid var(--bg-light-border);
}

.package-price-from {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.package-price-val {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1;
}

.package-meta-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.package-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-main);
}

.meta-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(5, 150, 105, 0.12);
  color: var(--brand-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.package-features {
  border-top: 1px dashed var(--bg-light-border);
  padding-top: 16px;
  margin-bottom: 24px;
}

.features-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 10px;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.features-list li::before {
  content: '✓';
  color: var(--brand-emerald);
  font-weight: 800;
}

.package-btn {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9375rem;
  text-align: center;
  transition: all var(--transition-fast);
}

.package-btn--primary {
  background: var(--brand-primary);
  color: white;
}

.package-btn--primary:hover {
  background: #1e293b;
  transform: translateY(-2px);
}

.package-btn--cta {
  background: linear-gradient(135deg, var(--brand-cta) 0%, #ea580c 100%);
  color: white;
  box-shadow: 0 4px 14px var(--brand-cta-glow);
}

.package-btn--cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px var(--brand-cta-glow);
}

/* ==========================================================================
   Interactive Quiz Wizard Section
   ========================================================================== */
.quiz-box {
  background: linear-gradient(160deg, #090e17 0%, #111a28 100%);
  border: 1px solid var(--bg-dark-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  padding: 40px 32px;
  color: white;
}

.quiz-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 20px;
}

.quiz-consultant {
  display: flex;
  align-items: center;
  gap: 14px;
}

.consultant-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--brand-emerald-light);
  object-fit: cover;
}

.consultant-info-name {
  font-weight: 700;
  font-size: 1rem;
  color: #ffffff;
}

.consultant-info-role {
  font-size: 0.75rem;
  color: #94a3b8;
}

.quiz-progress-wrap {
  min-width: 200px;
}

.quiz-progress-text {
  font-size: 0.8125rem;
  color: #94a3b8;
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.progress-bar-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #38bdf8);
  border-radius: 9999px;
  transition: width 0.3s ease;
  width: 25%;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.quiz-question {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #ffffff;
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .quiz-options-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.quiz-opt-card {
  position: relative;
  cursor: pointer;
}

.quiz-opt-card input {
  position: absolute;
  opacity: 0;
}

.quiz-opt-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  transition: all var(--transition-fast);
  height: 100%;
}

.quiz-opt-img {
  width: 100%;
  height: 110px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.quiz-opt-card input:checked + .quiz-opt-box {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--brand-emerald-light);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.25);
}

.quiz-opt-title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: #ffffff;
}

.quiz-nav-btns {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-quiz-prev {
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.08);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background var(--transition-fast);
}

.btn-quiz-prev:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-quiz-next {
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--brand-cta) 0%, #ea580c 100%);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 700;
  box-shadow: 0 4px 14px var(--brand-cta-glow);
  transition: transform var(--transition-fast);
}

.btn-quiz-next:hover {
  transform: translateY(-1px);
}

/* Quiz Final Step */
.quiz-final-box {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.quiz-final-title {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 8px;
}

.quiz-final-desc {
  font-size: 0.9375rem;
  color: #94a3b8;
  margin-bottom: 24px;
}

.quiz-form-final {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-input-lg {
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: white;
  font-size: 1rem;
}

.quiz-input-lg:focus {
  border-color: var(--brand-emerald-light);
  outline: none;
}

/* ==========================================================================
   Engineering Advantage / Why Concrete Rings
   ========================================================================== */
.reasons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1080px) {
  .reasons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.reason-card {
  background: var(--bg-light-card);
  border: 1px solid var(--bg-light-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.reason-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.reason-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(5, 150, 105, 0.1);
  color: var(--brand-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.reason-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 10px;
}

.reason-text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Comparison Table */
.comparison-wrap {
  margin-top: 56px;
  background: var(--bg-light-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--bg-light-border);
  box-shadow: var(--shadow-md);
  overflow-x: auto;
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 680px;
}

.comp-table th, .comp-table td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--bg-light-border);
  font-size: 0.9375rem;
}

.comp-table th {
  background: var(--bg-light-subtle);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--brand-primary);
}

.comp-table th.col-highlight, .comp-table td.col-highlight {
  background: rgba(16, 185, 129, 0.05);
  font-weight: 600;
  color: var(--brand-emerald);
}

/* ==========================================================================
   Real Portfolio / Completed Projects
   ========================================================================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case-card {
  background: var(--bg-light-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--bg-light-border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.case-img-wrap {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.case-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-img {
  transform: scale(1.05);
}

.case-badge-geo {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.85);
  color: white;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(8px);
}

.case-badge-time {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(16, 185, 129, 0.9);
  color: white;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.case-body {
  padding: 24px;
}

.case-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 8px;
}

.case-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.case-specs-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  background: var(--bg-light-subtle);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 0.8125rem;
}

.case-spec-item {
  display: flex;
  flex-direction: column;
}

.case-spec-label {
  color: var(--text-muted);
  font-size: 0.6875rem;
  text-transform: uppercase;
  font-weight: 600;
}

.case-spec-value {
  font-weight: 700;
  color: var(--brand-primary);
}

.case-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--bg-light-border);
  padding-top: 14px;
}

.case-price-tag {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--brand-emerald);
}

.case-btn-view {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--brand-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   Turnkey Steps / Workflow
   ========================================================================== */
.steps-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  position: relative;
}

@media (min-width: 992px) {
  .steps-timeline {
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
  }
}

.step-card {
  background: var(--bg-light-card);
  border: 1px solid var(--bg-light-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  position: relative;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(5, 150, 105, 0.2);
  line-height: 1;
  margin-bottom: 12px;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Military / Armed Forces Support Banner
   ========================================================================== */
.military-banner {
  background: linear-gradient(135deg, #172554 0%, #1e3a8a 100%);
  border-radius: var(--radius-xl);
  padding: 40px;
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

@media (min-width: 768px) {
  .military-banner {
    grid-template-columns: 1.4fr 0.6fr;
  }
}

.military-banner__title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.military-banner__desc {
  font-size: 1rem;
  color: #bfdbfe;
  line-height: 1.6;
}

.military-banner__cta {
  display: flex;
  justify-content: flex-start;
}

@media (min-width: 768px) {
  .military-banner__cta {
    justify-content: flex-end;
  }
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-accordion {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-light-card);
  border: 1px solid var(--bg-light-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--brand-emerald);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}

.faq-icon-arrow {
  transition: transform var(--transition-fast);
  color: var(--brand-emerald);
  flex-shrink: 0;
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 20px;
}

/* ==========================================================================
   Final Conversion & Contacts
   ========================================================================== */
.final-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

@media (min-width: 992px) {
  .final-contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-card-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-light-card);
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--bg-light-border);
  transition: transform var(--transition-fast);
}

.contact-channel:hover {
  transform: translateX(4px);
  border-color: var(--brand-emerald);
}

.channel-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.channel-title {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.channel-val {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--brand-primary);
}

/* Contact Form Card */
.contact-form-card {
  background: var(--bg-light-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--bg-light-border);
  box-shadow: var(--shadow-lg);
  padding: 36px 32px;
}

.contact-form-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-primary);
  margin-bottom: 6px;
}

.contact-form-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--bg-light-border);
  border-radius: var(--radius-sm);
  background: var(--bg-light-subtle);
  font-size: 0.9375rem;
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  border-color: var(--brand-emerald);
  background: white;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #060910;
  color: #94a3b8;
  padding: 48px 0 32px;
  border-top: 1px solid var(--bg-dark-border);
  font-size: 0.875rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 36px;
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid var(--bg-dark-border);
  padding-top: 24px;
  font-size: 0.8125rem;
}

/* ==========================================================================
   Mobile Sticky Action Bar (Bottom Dock)
   ========================================================================== */
.mobile-sticky-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 12px;
  z-index: 999;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
}

@media (min-width: 992px) {
  .mobile-sticky-dock {
    display: none;
  }
}

.dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: #94a3b8;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 6px 4px;
  border-radius: 8px;
  transition: background var(--transition-fast);
}

.dock-item--active, .dock-item:active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.dock-item--call {
  color: #34d399;
}

.dock-item--tg {
  color: #38bdf8;
}

.dock-item--calc {
  color: #fb923c;
}

/* Floating Messenger Trigger (Desktop & Mobile) */
.floating-contact-trigger {
  position: fixed;
  bottom: 84px;
  right: 20px;
  z-index: 990;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

@media (min-width: 992px) {
  .floating-contact-trigger {
    bottom: 28px;
    right: 28px;
  }
}

.fab-main-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-cta) 0%, #ea580c 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px var(--brand-cta-glow);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  animation: pulse-fab 3s infinite;
}

.fab-main-btn:hover {
  transform: scale(1.08);
}

@keyframes pulse-fab {
  0% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.6); }
  70% { box-shadow: 0 0 0 14px rgba(249, 115, 22, 0); }
  100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0); }
}

.fab-options {
  display: none;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

.fab-options.show {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.fab-option-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  color: white;
  font-size: 0.8125rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast);
}

.fab-option-item:hover {
  transform: translateX(-4px);
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.modal-window {
  background: var(--bg-light-card);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  padding: 36px 32px;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-light-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: #e2e8f0;
  color: var(--text-main);
}

/* ==========================================================================
   CONSULTATION BLOCK (Modern Engineering 2-Column Card)
   ========================================================================== */
.consult-card-main {
  background: var(--bg-light-card);
  border: 1px solid var(--bg-light-border);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  position: relative;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .consult-card-main {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 44px;
    padding: 44px 40px;
    align-items: center;
  }
}

.consult-card-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-emerald) 0%, var(--brand-blue) 100%);
}

.consult-features-grid-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 580px) {
  .consult-features-grid-main {
    grid-template-columns: 1fr 1fr;
  }
}

.consult-feature-item-main {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-light-subtle);
  border: 1px solid var(--bg-light-border);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-main);
  transition: all 0.2s ease;
}

.consult-feature-item-main:hover {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.3);
  transform: translateY(-1px);
}

.consult-feature-icon-main {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--brand-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.consult-form-box-main {
  background: var(--bg-light-subtle);
  border: 1.5px solid var(--bg-light-border);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  position: relative;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}