/**
 * HYDREX - Master Design System & Stylesheet
 * Architectural, premium, clean aesthetic for exterior cleaning services across Derby.
 */

:root {
  /* Color Palette */
  --bg-primary: #07131D;
  --bg-secondary: #0B1D2A;
  --bg-surface: #102636;
  --bg-surface-elevated: #163246;
  --bg-surface-hover: #1c3d54;

  --accent-cyan: #159FE8;
  --accent-cyan-hover: #38b4f7;
  --accent-cyan-subtle: rgba(21, 159, 232, 0.12);
  --accent-cyan-border: rgba(21, 159, 232, 0.35);

  --text-primary: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing */
  --container-max: 1200px;
  --container-wide: 1360px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-elevated: 0 12px 36px rgba(0, 0, 0, 0.4);
  --shadow-accent: 0 8px 24px rgba(21, 159, 232, 0.25);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg-primary);
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typographic Logo / Wordmark */
.brand-wordmark {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1;
}

.brand-text {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  text-transform: uppercase;
}

.brand-text .brand-accent {
  color: var(--accent-cyan);
}

.brand-descriptor {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 4px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(7, 19, 29, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 6px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-cyan);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.header-phone:hover {
  color: var(--accent-cyan);
}

.header-phone svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: #FFFFFF;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.94rem;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--accent-cyan);
  color: #07131D;
  font-weight: 700;
  border-color: var(--accent-cyan);
  box-shadow: 0 4px 14px rgba(21, 159, 232, 0.28);
}

.btn-primary:hover {
  background-color: var(--accent-cyan-hover);
  border-color: var(--accent-cyan-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(21, 159, 232, 0.38);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--bg-surface);
  border-color: var(--text-muted);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #07131D;
  font-weight: 700;
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background-color: #2fe06f;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 16px 28px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.85rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 80px 0 64px 0;
  background: radial-gradient(circle at 80% 20%, rgba(21, 159, 232, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(11, 29, 42, 0.6) 0%, transparent 70%),
              var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 9999px;
  background-color: var(--accent-cyan-subtle);
  border: 1px solid var(--accent-cyan-border);
  color: var(--accent-cyan);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.3rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 620px;
}

.hero-highlight-points {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
}

.hero-point svg {
  width: 16px;
  height: 16px;
  color: var(--accent-cyan);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Hero Visual / Interactive Teaser Card */
.hero-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-elevated);
  position: relative;
}

.hero-card-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 18px;
  margin-bottom: 20px;
}

.hero-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  background-color: var(--accent-cyan-subtle);
  color: var(--accent-cyan);
  border-radius: var(--radius-sm);
}

.hero-pricing-matrix-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.matrix-mini-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
}

.matrix-mini-label {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.matrix-mini-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.matrix-mini-price span {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Value Strip */
.value-strip {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 24px 0;
}

.value-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-item {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  border-left: 2px solid var(--accent-cyan);
}

.value-item-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.value-item-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Sections General */
.section {
  padding: 88px 0;
  position: relative;
}

.section-secondary {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 56px;
  max-width: 720px;
}

.section-header-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.service-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  position: relative;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan-border);
  box-shadow: var(--shadow-subtle);
}

.service-card-featured {
  border-color: var(--accent-cyan-border);
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-secondary) 100%);
}

.service-card-tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  background-color: var(--accent-cyan-subtle);
  color: var(--accent-cyan);
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.service-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-card-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.service-card-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-card-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.service-card-features li svg {
  width: 14px;
  height: 14px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.service-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.service-price-indicator {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Why HYDREX Grid */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.benefit-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 28px;
  border-radius: var(--radius-md);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  background-color: var(--accent-cyan-subtle);
  border: 1px solid var(--accent-cyan-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 20px;
}

.benefit-icon svg {
  width: 22px;
  height: 22px;
}

.benefit-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.benefit-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Process / How It Works */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
}

.step-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-cyan);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Exterior Split / "Already have a window cleaner?" */
.split-banner {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--accent-cyan-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.split-banner-content h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.split-banner-content p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* Architectural Gallery / Work Placeholders */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.gallery-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.gallery-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan-border);
}

.gallery-image-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--bg-surface);
  position: relative;
  overflow: hidden;
}

.gallery-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.gallery-card:hover .gallery-image-wrap img {
  transform: scale(1.03);
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px;
  text-align: center;
}

.gallery-info {
  padding: 18px 20px;
}

.gallery-service-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.gallery-service-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-list {
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover, .faq-item.open {
  border-color: var(--border-strong);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  gap: 16px;
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  color: var(--accent-cyan);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-fast);
  padding: 0 24px;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px 24px;
}

/* Pricing Table (Dedicated Window Cleaning Page) */
.pricing-table-container {
  overflow-x: auto;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  margin-bottom: 32px;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.pricing-table th, .pricing-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-table th {
  background-color: var(--bg-surface);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.pricing-table td {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.pricing-table tr:last-child td {
  border-bottom: none;
}

.pricing-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.pricing-table-prop {
  font-weight: 600;
  color: #FFFFFF;
}

.pricing-table-price {
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFFFFF;
  font-variant-numeric: tabular-nums;
}

.pricing-table-action-col {
  text-align: right;
}

/* Multi-Step Quote Calculator Component */
.quote-wizard {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
}

.quote-progress-bar-wrap {
  background-color: var(--bg-surface);
  height: 6px;
  width: 100%;
  position: relative;
}

.quote-progress-bar {
  height: 100%;
  background-color: var(--accent-cyan);
  width: 12.5%;
  transition: width var(--transition-normal);
}

.quote-header {
  padding: 28px 36px 20px 36px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quote-step-indicator {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.quote-back-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.quote-back-btn:hover {
  color: #FFFFFF;
}

.quote-step-content {
  padding: 36px;
}

.step-question-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.step-question-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 28px;
}

/* Card Selection Grids in Wizard */
.options-grid {
  display: grid;
  gap: 12px;
}

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

.options-grid-props {
  grid-template-columns: repeat(2, 1fr);
  max-height: 440px;
  overflow-y: auto;
  padding-right: 6px;
}

/* Custom Scrollbar */
.options-grid-props::-webkit-scrollbar {
  width: 6px;
}
.options-grid-props::-webkit-scrollbar-track {
  background: var(--bg-surface);
  border-radius: 4px;
}
.options-grid-props::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

.option-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  user-select: none;
}

.option-card:hover {
  border-color: var(--border-strong);
  background-color: var(--bg-surface-elevated);
}

.option-card.selected {
  border-color: var(--accent-cyan);
  background-color: var(--bg-surface-elevated);
  box-shadow: 0 0 0 1px var(--accent-cyan);
}

.option-card-label {
  font-size: 1rem;
  font-weight: 600;
  color: #FFFFFF;
}

.option-card-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.option-card-price-badge {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-left: 12px;
  white-space: nowrap;
}

/* Frequency Big Cards */
.freq-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.freq-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.freq-card:hover {
  border-color: var(--border-strong);
  background-color: var(--bg-surface-elevated);
}

.freq-card.selected {
  border-color: var(--accent-cyan);
  background-color: var(--bg-surface-elevated);
  box-shadow: 0 4px 20px rgba(21, 159, 232, 0.2);
}

.freq-card-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  background-color: var(--accent-cyan-subtle);
  color: var(--accent-cyan);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.freq-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.freq-card-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-label .optional {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.8rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: #FFFFFF;
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(21, 159, 232, 0.2);
}

.form-input.is-invalid {
  border-color: #ef4444;
}

.form-input-lg {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
  padding: 16px;
}

.form-error-msg {
  color: #f87171;
  font-size: 0.82rem;
  margin-top: 6px;
  display: none;
}

.form-error-msg.visible {
  display: block;
}

.form-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Price Result Card (Step 5) */
.price-display-card {
  background: linear-gradient(180deg, var(--bg-surface-elevated) 0%, var(--bg-surface) 100%);
  border: 2px solid var(--accent-cyan-border);
  border-radius: var(--radius-md);
  padding: 36px;
  text-align: center;
  margin-bottom: 28px;
  box-shadow: var(--shadow-elevated);
}

.price-display-tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.price-display-amount {
  font-size: clamp(3.2rem, 8vw, 4.8rem);
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.price-display-freq {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.price-display-includes {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 9999px;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.price-display-includes svg {
  width: 14px;
  height: 14px;
  color: var(--accent-cyan);
}

.price-disclaimer {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 16px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

/* Quote Summary Box (Step 8) */
.quote-summary-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 28px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.92rem;
}

.summary-row:last-child {
  border-bottom: none;
}

.summary-label {
  color: var(--text-muted);
}

.summary-value {
  font-weight: 600;
  color: #FFFFFF;
  text-align: right;
}

.summary-price-highlight {
  font-size: 1.25rem;
  color: var(--accent-cyan);
  font-weight: 800;
}

/* Footer */
.site-footer {
  background-color: #040C12;
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 32px 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col-title {
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #FFFFFF;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Sticky Mobile CTA Bar */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background-color: rgba(7, 19, 29, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-strong);
  padding: 12px 16px;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.4);
}

.mobile-sticky-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mobile-sticky-info {
  display: flex;
  flex-direction: column;
}

.mobile-sticky-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #FFFFFF;
}

.mobile-sticky-sub {
  font-size: 0.72rem;
  color: var(--accent-cyan);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .value-strip-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .split-banner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  body {
    padding-bottom: 64px; /* for sticky mobile CTA */
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-strong);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 18px;
    display: none;
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .header-actions .btn {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .options-grid-props {
    grid-template-columns: 1fr;
    max-height: 380px;
  }

  .freq-cards-grid {
    grid-template-columns: 1fr;
  }

  .quote-step-content {
    padding: 24px 20px;
  }

  .quote-header {
    padding: 20px;
  }

  .mobile-sticky-cta {
    display: block;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .value-strip-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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