/* ==========================================================================
   EXELLENT SHINE — Modern Cleaning Service Design System
   "We Clean, You Relax" | Pittsburgh, PA
   ========================================================================== */

:root {
  /* Colors */
  --primary: #0284c7;         /* Azure / Bright Cyan */
  --primary-dark: #0369a1;
  --primary-light: #38bdf8;
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  
  --secondary: #0f172a;       /* Deep Luxury Navy */
  --secondary-light: #1e293b;
  
  --accent-emerald: #10b981;   /* Fresh Green / Eco */
  --accent-emerald-light: #d1fae5;
  --accent-gold: #f59e0b;      /* Gold Star Rating / Deep clean */
  --accent-gold-light: #fef3c7;
  --accent-purple: #8b5cf6;    /* Subscription Regular */
  --accent-purple-light: #ede9fe;
  --accent-indigo: #4f46e5;    /* Commercial */
  --accent-indigo-light: #e0e7ff;

  --bg-main: #ffffff;
  --bg-surface: #f8fafc;
  --bg-surface-2: #f1f5f9;
  --bg-dark: #090e17;

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

  --border-color: #e2e8f0;
  --border-light: #f1f5f9;

  /* 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;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 10px 30px rgba(2, 132, 199, 0.25);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding-bottom: 0;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
  touch-action: manipulation;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--sm {
  max-width: 860px;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section--light {
  background-color: var(--bg-surface);
}

.text-center {
  text-align: center;
}

.text-primary { color: var(--primary); }
.text-emerald { color: var(--accent-emerald); }
.text-amber { color: var(--accent-gold); }
.text-white { color: var(--text-white); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--primary-light); }
.text-primary-light { color: #38bdf8; }

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1.5rem; }

/* ==========================================================================
   Typography & Shared Components
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.2;
}

.gradient-text {
  background: linear-gradient(135deg, #0284c7 0%, #06b6d4 50%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-header {
  margin-bottom: 3.5rem;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background-color: var(--primary-100);
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.badge-pill--light {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
}

/* Icons */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}
.icon-xs { width: 0.95rem; height: 0.95rem; }
.icon-sm { width: 1.1rem; height: 1.1rem; }
.icon-lg { width: 1.75rem; height: 1.75rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.8rem 1.5rem;
  transition: all var(--transition-normal);
  text-align: center;
  font-size: 0.95rem;
  white-space: nowrap;
  min-height: 44px;
}

.btn--sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  min-height: 38px;
}

.btn--lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
  min-height: 50px;
}

.btn--block {
  width: 100%;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary) 0%, #0270a6 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.btn--primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #025984 100%);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.4);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: var(--secondary);
  color: #ffffff;
}
.btn--secondary:hover {
  background-color: var(--secondary-light);
  transform: translateY(-1px);
}

.btn--outline {
  background-color: transparent;
  color: var(--secondary);
  border: 1.5px solid var(--border-color);
}
.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-50);
}

.btn--white {
  background-color: #ffffff;
  color: var(--secondary);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}
.btn--white:hover {
  background-color: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.16);
}

/* ==========================================================================
   Top Bar
   ========================================================================== */
.topbar {
  background-color: var(--secondary);
  color: #cbd5e1;
  font-size: 0.8125rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.topbar__left, .topbar__right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.topbar__item, .topbar__badge, .topbar__guarantee {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.topbar__link:hover {
  color: #ffffff;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all var(--transition-normal);
}

.header.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.75rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  user-select: none;
}

.logo__icon {
  width: 2.75rem;
  height: 2.75rem;
  background: linear-gradient(135deg, var(--primary) 0%, #06b6d4 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
}

.logo__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

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

.logo__brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--secondary);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.logo__tagline {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Main Nav */
.nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--secondary-light);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.35rem 0;
}

.nav__link:hover, .nav__link.active {
  color: var(--primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-fast);
  border-radius: var(--radius-full);
}

.nav__link:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 2.75rem;
  height: 2.75rem;
  gap: 5px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--secondary);
  transition: var(--transition-fast);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 1000;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-drawer.active {
  visibility: visible;
  opacity: 1;
}

.mobile-drawer__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(5px);
}

.mobile-drawer__content {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 320px;
  background-color: #ffffff;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
}

.mobile-drawer.active .mobile-drawer__content {
  transform: translateX(0);
}

.mobile-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.drawer-close {
  font-size: 2.2rem;
  line-height: 1;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav__link {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--secondary);
  padding: 0.4rem 0;
  display: block;
}

.mobile-nav__link:hover {
  color: var(--primary);
}

.mobile-drawer__footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  padding: 4.5rem 0 5.5rem;
  background: radial-gradient(circle at 10% 20%, rgba(224, 242, 254, 0.5) 0%, rgba(255, 255, 255, 1) 90%);
  overflow: hidden;
}

.hero__bg-glow {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.18) 0%, rgba(255, 255, 255, 0) 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero__container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero__pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xs);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.pill-sparkle { color: var(--accent-gold); }
.pill-rating {
  background-color: var(--accent-gold-light);
  color: #b45309;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--secondary);
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.hero__badge {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary-light);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

/* Proof Bar */
.hero__proof {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.hero__avatars {
  display: flex;
  align-items: center;
}

.avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  border: 2px solid #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  margin-left: -0.5rem;
}

.avatar:first-child { margin-left: 0; }
.avatar--1 { background: #0284c7; }
.avatar--2 { background: #059669; }
.avatar--3 { background: #d97706; }
.avatar--4 { background: #7c3aed; }
.avatar--plus { background: var(--secondary); font-size: 0.7rem; }

.hero__proof-text {
  display: flex;
  flex-direction: column;
  font-size: 0.875rem;
}
.hero__proof-text strong {
  color: var(--secondary);
}
.hero__proof-text span {
  color: var(--text-muted);
}

/* Quick Quote Card in Hero */
.card {
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  padding: 2rem;
}

.card--glass {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
}

.quick-quote-card__header {
  margin-bottom: 1.5rem;
}

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--secondary-light);
  margin-bottom: 0.4rem;
}

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

.form-row--2 {
  grid-template-columns: 1fr 1fr;
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: '▾';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
}

select, input[type="text"], input[type="email"], input[type="tel"], input[type="date"], textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--secondary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  appearance: none;
}

select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Frequency Chips */
.frequency-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.freq-chip {
  position: relative;
  cursor: pointer;
}

.freq-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.freq-chip span {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 0.25rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--secondary-light);
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 42px;
}

.freq-chip input:checked + span, .freq-chip.active span {
  border-color: var(--primary);
  background-color: var(--primary-50);
  color: var(--primary-dark);
}

.quick-quote__feature-tag {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.75rem 1rem;
  background-color: var(--primary-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-100);
  margin-bottom: 1.25rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--secondary-light);
}

.quick-quote__footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* ==========================================================================
   Services Grid
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(2, 132, 199, 0.4);
}

.service-card--featured {
  border: 2px solid var(--accent-gold);
  background: linear-gradient(180deg, rgba(254, 243, 199, 0.15) 0%, #ffffff 100%);
  box-shadow: var(--shadow-lg);
}

.service-card__badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background-color: var(--primary-100);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

.service-card__badge--gold {
  background-color: var(--accent-gold-light);
  color: #b45309;
}

.service-card__badge--save {
  background-color: var(--accent-emerald-light);
  color: #047857;
}

.service-card__icon-box {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-card__icon-box svg {
  width: 1.75rem;
  height: 1.75rem;
}

.icon-box--cyan { background: var(--primary-100); color: var(--primary-dark); }
.icon-box--indigo { background: var(--accent-indigo-light); color: var(--accent-indigo); }
.icon-box--gold { background: var(--accent-gold-light); color: #b45309; }
.icon-box--emerald { background: var(--accent-emerald-light); color: #047857; }
.icon-box--purple { background: var(--accent-purple-light); color: var(--accent-purple); }

.service-card__title {
  font-size: 1.45rem;
  margin-bottom: 0.75rem;
}

.service-card__desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-card__features {
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.service-card__features h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--secondary-light);
  margin-bottom: 0.75rem;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--secondary-light);
}

.icon-check {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.service-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.service-card__quote-tag {
  display: flex;
  flex-direction: column;
}

.quote-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-emerald);
}

/* ==========================================================================
   Quote Builder / Calculator Section
   ========================================================================== */
.calculator-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  padding: 2.5rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2.5rem;
  align-items: start;
}

.calc-block {
  margin-bottom: 2rem;
}

.calc-block:last-child {
  margin-bottom: 0;
}

.calc-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--secondary);
  margin-bottom: 0.85rem;
}

/* Service Selector Grid */
.calc-service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.6rem;
}

.calc-svc-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.9rem 0.5rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  transition: all var(--transition-fast);
}

.calc-svc-btn:hover {
  border-color: var(--primary-light);
  background-color: var(--primary-50);
}

.calc-svc-btn.active {
  border-color: var(--primary);
  background-color: var(--primary-50);
  box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.2);
}

.calc-svc-icon { font-size: 1.4rem; }
.calc-svc-name { font-size: 0.825rem; font-weight: 700; color: var(--secondary); }

/* Counters */
.calc-counters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.calc-counter-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  background-color: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.counter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

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

.counter-btn {
  width: 2.5rem;
  height: 2.5rem;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.counter-btn:hover {
  background-color: var(--primary-50);
  border-color: var(--primary);
  color: var(--primary);
}

.counter-value {
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--secondary);
}

/* Frequency Radio Cards */
.calc-frequency-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}

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

.freq-radio input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.freq-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 0.4rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  transition: all var(--transition-fast);
  text-align: center;
}

.freq-radio input:checked + .freq-card {
  border-color: var(--primary);
  background-color: var(--primary-50);
  box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.15);
}

.freq-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--secondary);
}

.freq-disc {
  font-size: 0.75rem;
  font-weight: 600;
}

/* Addons Grid */
.addons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

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

.addon-checkbox input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.addon-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  transition: all var(--transition-fast);
}

.addon-checkbox input:checked + .addon-card {
  border-color: var(--primary);
  background-color: var(--primary-50);
}

.addon-icon { font-size: 1.35rem; }
.addon-info { display: flex; flex-direction: column; }
.addon-title { font-size: 0.875rem; font-weight: 600; color: var(--secondary); }
.addon-price { font-size: 0.8rem; font-weight: 500; }

/* Summary Panel */
.summary-card {
  background-color: var(--secondary);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-xl);
  position: sticky;
  top: 6rem;
}

.summary-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.summary-card__header h3 {
  color: #ffffff;
  font-size: 1.25rem;
}

.badge--success {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.summary-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.925rem;
  color: #cbd5e1;
}

.summary-row strong {
  color: #ffffff;
  font-weight: 600;
  text-align: right;
}

.summary-divider {
  height: 1px;
  background-color: rgba(255, 255, 255, 0.12);
  margin: 0.5rem 0;
}

.summary-row--total {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.quote-free-badge {
  color: #38bdf8;
  font-weight: 800;
  font-size: 1.25rem;
}

.summary-time {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #94a3b8;
  margin-top: 0.5rem;
}

.summary-perks {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: #cbd5e1;
  margin-bottom: 1.75rem;
  padding: 0.9rem;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
}

.summary-guarantee-note {
  font-size: 0.75rem;
  color: #94a3b8;
  text-align: center;
  margin-top: 1rem;
}

/* ==========================================================================
   Before & After Transformation Slider
   ========================================================================== */
.transformation-section {
  background: radial-gradient(circle at 50% 50%, #f0f9ff 0%, #ffffff 100%);
}

.transformation-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.before-after-slider {
  position: relative;
  width: 100%;
  height: 420px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid #ffffff;
  cursor: ew-resize;
  user-select: none;
  touch-action: none;
}

.ba-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ba-scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ba-scene--before {
  background: linear-gradient(135deg, #78716c 0%, #57534e 50%, #44403c 100%);
}

.ba-scene--after {
  background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 40%, #0369a1 100%);
}

.ba-layer--after {
  width: 50%;
  overflow: hidden;
  border-right: 2px solid #ffffff;
  z-index: 2;
}

.ba-layer--after .ba-scene {
  width: 900px;
}

.scene-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.75rem;
}

.scene-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
}

.scene-badge--before {
  background-color: rgba(0, 0, 0, 0.6);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.scene-badge--after {
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--primary-dark);
  border: 1px solid #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.scene-content-visual {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.dirty-room-visual, .clean-room-visual {
  width: 80%;
  height: 200px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-lg);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  backdrop-filter: blur(4px);
}

.clean-room-visual {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.kitchen-bench {
  height: 45px;
  background: #a8a29e;
  border-radius: var(--radius-sm);
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 1rem;
}

.kitchen-bench--gleam {
  background: linear-gradient(90deg, #f8fafc 0%, #e2e8f0 100%);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.6);
}

.dust-layer {
  position: absolute;
  inset: 0;
  background: rgba(87, 83, 78, 0.5);
  border-radius: inherit;
}

.mess-item { font-size: 1.4rem; z-index: 2; }
.clean-plant { font-size: 1.6rem; z-index: 2; }

.sparkle {
  position: absolute;
  color: #fef08a;
  font-size: 1.6rem;
  animation: pulseSparkle 2s infinite ease-in-out;
}
.sp-1 { top: -20px; left: 15%; animation-delay: 0s; }
.sp-2 { top: -25px; left: 50%; animation-delay: 0.5s; }
.sp-3 { top: -15px; left: 80%; animation-delay: 1s; }
.sp-4 { top: 10px; right: 10px; font-size: 1.2rem; }

@keyframes pulseSparkle {
  0%, 100% { transform: scale(0.8) rotate(0deg); opacity: 0.7; }
  50% { transform: scale(1.3) rotate(15deg); opacity: 1; }
}

.visual-label {
  align-self: center;
  margin-top: 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fecaca;
}

.visual-label--shine {
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Draggable Handle */
.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: ew-resize;
}

.ba-handle__line {
  flex-grow: 1;
  width: 3px;
  background-color: #ffffff;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}

.ba-handle__button {
  width: 3.25rem;
  height: 3.25rem;
  background-color: #ffffff;
  color: var(--primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  gap: 2px;
}

.ba-handle__button svg {
  width: 1.1rem;
  height: 1.1rem;
}

.ba-slider-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* ==========================================================================
   Why Us & Features Grid
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.feature-box {
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.feature-box__icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-box__title {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.feature-box__desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   How It Works (3 Steps)
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  position: relative;
}

.step-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  position: relative;
  transition: all var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--primary-100);
  line-height: 1;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.step-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--primary-50);
  color: var(--primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.step-icon svg {
  width: 1.75rem;
  height: 1.75rem;
}

.step-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Reviews / Testimonials
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.review-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  color: var(--accent-gold);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.review-text {
  font-size: 1rem;
  color: var(--secondary-light);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 1.75rem;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary) 0%, #06b6d4 100%);
  color: #ffffff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-avatar--2 { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.author-avatar--3 { background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%); }

.author-info h4 {
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: #ffffff;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--secondary);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-2);
  position: relative;
  flex-shrink: 0;
  margin-left: 1rem;
  transition: transform var(--transition-fast);
}

.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--secondary);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform var(--transition-fast);
}

.faq-icon::before { width: 10px; height: 2px; }
.faq-icon::after { width: 2px; height: 10px; }

.faq-item.active .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-item.active .faq-icon {
  background-color: var(--primary-100);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding-bottom: 1.35rem;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #0369a1 50%, #0f172a 100%);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  color: #ffffff;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2.5rem;
  align-items: center;
  box-shadow: var(--shadow-glow);
}

.cta-banner__title {
  color: #ffffff;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 0.75rem;
}

.cta-banner__desc {
  font-size: 1.1rem;
  color: #e0f2fe;
  margin-bottom: 1.75rem;
}

.cta-banner__contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  min-height: 44px;
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.22);
}

.cta-banner__actions {
  display: flex;
  justify-content: flex-end;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--bg-dark);
  color: #94a3b8;
  padding-top: 5rem;
}

.footer__container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer__desc {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer__heading {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__links a {
  font-size: 0.9rem;
  transition: color var(--transition-fast);
  padding: 0.2rem 0;
}

.footer__links a:hover {
  color: var(--primary-light);
}

.footer__hours {
  font-size: 0.875rem;
  line-height: 1.7;
}

.footer__hours strong {
  color: #cbd5e1;
}

.footer__security {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: #38bdf8;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
}

.footer__legal a:hover {
  color: #ffffff;
}

/* ==========================================================================
   Mobile Sticky Quick Action Bar
   ========================================================================== */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 990;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  gap: 0.75rem;
}

.sticky-btn {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  padding: 0.65rem 0.5rem;
  box-shadow: var(--shadow-md);
}

.sticky-btn--call {
  background-color: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.sticky-btn--quote {
  background: linear-gradient(135deg, var(--primary) 0%, #0284c7 100%);
}

/* ==========================================================================
   Modal Dialog
   ========================================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal.active {
  visibility: visible;
  opacity: 1;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(6px);
}

.modal__dialog {
  position: relative;
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.25rem;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-smooth);
  z-index: 2;
}

.modal.active .modal__dialog {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 1.75rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.modal__close:hover {
  background-color: var(--bg-surface-2);
  color: var(--secondary);
}

.modal__header {
  margin-bottom: 1.75rem;
  padding-right: 2rem;
}

.modal__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.modal__title {
  font-size: clamp(1.4rem, 4vw, 1.75rem);
  margin-bottom: 0.35rem;
}

.modal__subtitle {
  font-size: 0.925rem;
  color: var(--text-muted);
}

.modal__disclaimer {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1rem;
}

/* Booking Success State */
.modal__success {
  text-align: center;
  padding: 1.5rem 0;
}

.success-icon-wrap {
  width: 4.5rem;
  height: 4.5rem;
  background-color: var(--accent-emerald-light);
  color: var(--accent-emerald);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.success-icon-wrap svg {
  width: 2.5rem;
  height: 2.5rem;
}

.modal__success h3 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

.success-msg {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.conf-details-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: left;
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--secondary);
  color: #ffffff;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(20px);
  opacity: 0;
  animation: toastSlideUp 0.3s forwards ease-out;
}

.toast--success {
  border-left: 4px solid var(--accent-emerald);
}

@keyframes toastSlideUp {
  to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   Responsive Breakpoints (Mobile & Tablet Optimization)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .summary-card {
    position: static;
  }
  .cta-banner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2.5rem 1.75rem;
  }
  .cta-banner__contacts {
    justify-content: center;
  }
  .cta-banner__actions {
    justify-content: center;
  }
  .footer__container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 70px; /* Space for mobile sticky action bar */
  }

  .topbar {
    display: none;
  }

  .header__container {
    height: 4.25rem;
  }

  .nav {
    display: none;
  }

  .header__phone {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-sticky-bar {
    display: flex;
  }

  .toast-container {
    bottom: 5.5rem;
    left: 1rem;
    right: 1rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .hero {
    padding: 2.5rem 0 3.5rem;
  }

  .hero__badges {
    flex-direction: column;
    gap: 0.75rem;
  }

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

  .hero__actions .btn {
    width: 100%;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .service-card {
    padding: 1.75rem 1.5rem;
  }

  .form-row--2 {
    grid-template-columns: 1fr;
  }

  .calc-counters {
    grid-template-columns: 1fr;
  }

  .calc-frequency-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .calculator-card {
    padding: 1.5rem 1.25rem;
  }

  .before-after-slider {
    height: 290px;
  }

  .ba-layer--after .ba-scene {
    width: 100vw;
  }

  .modal {
    padding: 0.75rem;
  }

  .modal__dialog {
    padding: 1.75rem 1.25rem;
  }

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

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}