/* ==========================================================================
   Solidbathpro — Design system
   Premium dark + soft blue accent (no yellow/gold)
   ========================================================================== */

:root {
  /* Neutrals */
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-surface-elevated: #1a1a1a;
  --color-border: #262626;
  --color-border-light: #404040;

  /* Text */
  --color-text: #fafafa;
  --color-text-muted: #a3a3a3;
  --color-text-dim: #737373;

  /* Accent — soft slate blue */
  --color-accent: #5b8def;
  --color-accent-hover: #4a7de8;
  --color-accent-active: #3d6fd4;
  --color-accent-muted: rgba(91, 141, 239, 0.12);
  --color-accent-subtle: rgba(91, 141, 239, 0.22);
  --color-focus-ring: rgba(91, 141, 239, 0.45);

  /* Layout */
  --container-max: 72rem;
  --section-y: clamp(4rem, 8vw, 6rem);
  --header-h: 4.5rem;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Radius & elevation */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
  --shadow-accent: 0 4px 20px rgba(91, 141, 239, 0.25);

  /* Motion */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.0625rem;
  --text-xl: 1.25rem;
  --text-2xl: clamp(1.75rem, 4vw, 2.5rem);
  --text-hero: clamp(2.25rem, 5vw, 3.5rem);
  --leading-tight: 1.15;
  --leading-normal: 1.6;
  --leading-relaxed: 1.65;
}

/* -------------------------------------------------------------------------- */
/* Base                                                                       */
/* -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@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;
  }
}

/* -------------------------------------------------------------------------- */
/* Utilities                                                                  */
/* -------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: var(--space-3) var(--space-5);
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

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

.logo-accent {
  color: var(--color-accent);
  font-weight: 700;
}

.link-accent {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}
.link-accent:hover {
  color: var(--color-accent-hover);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* -------------------------------------------------------------------------- */
/* Buttons                                                                    */
/* -------------------------------------------------------------------------- */

.btn-primary,
.btn-outline,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: inherit;
  font-weight: 600;
  font-size: var(--text-sm);
  line-height: 1.25;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base),
    opacity var(--transition-base);
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  padding: 0.8125rem 1.75rem;
  background-color: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(91, 141, 239, 0.35);
}
.btn-primary:active {
  background-color: var(--color-accent-active);
  border-color: var(--color-accent-active);
  transform: translateY(0);
}
.btn-primary:disabled,
.btn-primary.is-loading {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn-primary.is-loading {
  pointer-events: none;
}

.btn-outline {
  padding: 0.8125rem 1.75rem;
  background-color: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border-light);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-muted);
}
.btn-outline:active {
  background-color: var(--color-accent-subtle);
}

.btn-ghost {
  padding: var(--space-2) var(--space-3);
  background: transparent;
  color: var(--color-text-muted);
  border: none;
}
.btn-ghost:hover {
  color: var(--color-text);
}

/* -------------------------------------------------------------------------- */
/* Header                                                                     */
/* -------------------------------------------------------------------------- */

.site-header {
  background-color: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.site-header.header-scrolled {
  background-color: rgba(10, 10, 10, 0.96);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.site-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: var(--space-1) 0;
}
.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-text);
}
.site-nav a.is-active,
#mobile-menu a.is-active {
  color: var(--color-accent);
}

#burger-btn {
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
#burger-btn:focus-visible {
  outline-offset: 4px;
}

#mobile-menu {
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
}
#mobile-menu a.mobile-nav-link:focus-visible,
#mobile-menu .btn-primary:focus-visible {
  outline-offset: 2px;
}

.burger-open .burger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.burger-open .burger-line:nth-child(2) {
  opacity: 0;
}
.burger-open .burger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

body.menu-open {
  overflow: hidden;
}

/* -------------------------------------------------------------------------- */
/* Sections                                                                   */
/* -------------------------------------------------------------------------- */

.section {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}
.section--surface {
  background-color: var(--color-surface);
}
.section--elevated {
  background-color: var(--color-surface-elevated);
}

.section-header {
  max-width: 40rem;
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-12));
}
.section-header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-eyebrow {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin: 0 0 var(--space-3);
}

.section-lead {
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--color-text-muted);
  margin: 0;
}

/* -------------------------------------------------------------------------- */
/* Hero                                                                       */
/* -------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + var(--space-8));
  padding-bottom: var(--section-y);
  background: linear-gradient(165deg, #0a0a0a 0%, #111 45%, #0a0a0a 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91, 141, 239, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 141, 239, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 55% at 30% 40%, black 15%, transparent 100%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-12);
  }
}

.hero__aside-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__visual-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-4);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-accent-muted);
  border-radius: var(--radius-md);
}
.hero__badge-dot {
  color: var(--color-accent);
  font-size: 0.5rem;
  line-height: 1;
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-5);
}

.hero__lead {
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--color-text-muted);
  max-width: 36rem;
  margin: 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  margin-top: var(--space-8);
  font-size: 0.8125rem;
  color: var(--color-text-dim);
}
.hero__trust span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.hero__trust-check {
  color: var(--color-accent);
  font-weight: 600;
}

.hero-panel {
  display: grid;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.hero-panel__item {
  background: var(--color-surface-elevated);
  padding: var(--space-5) var(--space-6);
  transition: background-color var(--transition-base);
}
.hero-panel__item:hover {
  background: #1f1f1f;
}
.hero-panel__value {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.hero-panel__label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* -------------------------------------------------------------------------- */
/* Trust strip                                                                */
/* -------------------------------------------------------------------------- */

.trust-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-6) 0;
}
.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .trust-strip__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
}
.trust-strip__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.trust-strip__icon {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}
.trust-strip__title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin: 0;
}
.trust-strip__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: var(--space-1) 0 0;
  line-height: 1.4;
}

/* -------------------------------------------------------------------------- */
/* Services                                                                   */
/* -------------------------------------------------------------------------- */

.services-grid {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1280px) {
  .services-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.service-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-height: 100%;
  transition:
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}
.service-card:hover {
  border-color: var(--color-accent-subtle);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-card__icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-muted);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}
.service-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0 0 var(--space-2);
  line-height: var(--leading-tight);
}
.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin: 0;
}
.service-card__price {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-top: auto;
  padding-top: var(--space-2);
}

.service-card__estimate {
  margin-top: calc(var(--space-2) * -1);
}

/* -------------------------------------------------------------------------- */
/* Before / after slider                                                      */
/* -------------------------------------------------------------------------- */

.ba-slider-wrap {
  width: 100%;
  max-width: min(100%, 22rem);
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 640px) {
  .ba-slider-wrap {
    max-width: min(100%, 26rem);
  }
}

#ba-container {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  width: 100%;
  aspect-ratio: 3 / 4;
  max-height: min(78vh, 640px);
  cursor: ew-resize;
  user-select: none;
  box-shadow: var(--shadow-md);
}

#ba-before,
#ba-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}

#ba-after-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 10;
}

#ba-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3px;
  background-color: var(--color-accent);
  cursor: ew-resize;
  transform: translateX(-50%);
}
#ba-divider > div {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  box-shadow: var(--shadow-accent);
  color: #fff;
}

.label-before,
.label-after {
  position: absolute;
  top: var(--space-4);
  z-index: 30;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  pointer-events: none;
}
.label-before {
  left: var(--space-4);
  background: rgba(0, 0, 0, 0.75);
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
}
.label-after {
  right: var(--space-4);
  background: var(--color-accent);
  color: #fff;
}

.ba-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.ba-nav__btn {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  color: var(--color-text);
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base),
    color var(--transition-base);
}
.ba-nav__btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-muted);
}
.ba-nav__btn:focus-visible {
  outline-offset: 2px;
}
.ba-nav__counter {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  min-width: 3.5rem;
  text-align: center;
}

/* -------------------------------------------------------------------------- */
/* Process                                                                    */
/* -------------------------------------------------------------------------- */

.process-grid {
  display: grid;
  gap: var(--space-5);
  counter-reset: step;
}
@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  position: relative;
  padding: var(--space-6);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  counter-increment: step;
  min-height: 100%;
  transition: border-color var(--transition-base);
}
.process-step:hover {
  border-color: var(--color-border-light);
}
.process-step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.process-step__title {
  font-size: var(--text-base);
  font-weight: 600;
  margin: 0 0 var(--space-2);
  line-height: var(--leading-tight);
}
.process-step__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.section-cta {
  text-align: center;
  margin-top: var(--space-10);
}

/* -------------------------------------------------------------------------- */
/* Benefits / comparison                                                      */
/* -------------------------------------------------------------------------- */

.benefits-grid {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
@media (min-width: 640px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.benefit-card {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  transition: border-color var(--transition-base);
}
.benefit-card:hover {
  border-color: var(--color-border-light);
}
.benefit-card__title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0 0 var(--space-2);
}
.benefit-card__text {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.comparison-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
  -webkit-overflow-scrolling: touch;
}
.comparison-table {
  width: 100%;
  font-size: var(--text-sm);
  border-collapse: collapse;
}
.comparison-table thead tr {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.comparison-table th,
.comparison-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
}
.comparison-table th:not(:first-child),
.comparison-table td:not(:first-child) {
  text-align: center;
}
.comparison-table tbody tr {
  border-bottom: 1px solid var(--color-border);
}
.comparison-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}
.comparison-table tbody tr:last-child {
  border-bottom: none;
}
.table-highlight {
  color: var(--color-accent);
}
.table-check-yes {
  color: var(--color-accent);
  font-size: 1.25rem;
}
.table-check-no {
  color: var(--color-text-dim);
  font-size: 1.25rem;
}

.mobile-highlight-card {
  background: var(--color-bg);
  border: 1px solid var(--color-accent-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

/* -------------------------------------------------------------------------- */
/* Reviews                                                                    */
/* -------------------------------------------------------------------------- */

.reviews-grid {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 768px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

.review-card {
  padding: var(--space-6);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-height: 100%;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.review-card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
}
.review-card__stars {
  letter-spacing: 0.08em;
  font-size: var(--text-sm);
  color: var(--color-accent);
}
.review-card__quote {
  flex: 1;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  margin: 0;
  font-style: normal;
}
.review-card__author {
  font-style: normal;
  font-weight: 600;
  font-size: var(--text-sm);
}
.review-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  margin-top: var(--space-1);
}

/* -------------------------------------------------------------------------- */
/* Quote / forms                                                              */
/* -------------------------------------------------------------------------- */

.quote-layout {
  display: grid;
  gap: var(--space-10);
  align-items: start;
}
@media (min-width: 1024px) {
  .quote-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.quote-panel {
  padding: var(--space-8);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.quote-panel__title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin: 0 0 var(--space-2);
  line-height: var(--leading-tight);
}
.quote-panel__lead {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-6);
  line-height: var(--leading-normal);
}

#calc-result {
  margin-bottom: var(--space-6);
}
#calc-price {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.form-label-optional {
  font-weight: 400;
  color: var(--color-text-dim);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.8125rem var(--space-4);
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}
.form-textarea {
  resize: vertical;
  min-height: 6rem;
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-dim);
}
.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: #525252;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.form-input:invalid:not(:placeholder-shown):not(:focus),
.form-select:invalid:not(:focus) {
  border-color: #ef4444;
}
.form-input:invalid:not(:placeholder-shown):not(:focus):focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25);
}

.form-checkbox {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
  accent-color: var(--color-accent);
  cursor: pointer;
}
.form-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.form-checkbox-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  cursor: pointer;
}

#form-success {
  background: var(--color-accent-muted);
  border: 1px solid var(--color-accent-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align: center;
}
#form-success .form-success-title {
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 var(--space-1);
}
#form-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--text-sm);
}

.btn-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: var(--space-2);
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* -------------------------------------------------------------------------- */
/* Areas                                                                      */
/* -------------------------------------------------------------------------- */

.areas-layout {
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .areas-layout {
    grid-template-columns: repeat(3, 1fr);
  }
}
.areas-group__title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-3);
}
.areas-group__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.area-tag {
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-base),
    color var(--transition-base),
    background-color var(--transition-base);
}
.area-tag:hover {
  border-color: var(--color-accent-subtle);
  color: var(--color-text);
  background: var(--color-accent-muted);
}

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  padding: var(--space-12) 0 var(--space-8);
}
.site-footer__grid {
  display: grid;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}
@media (min-width: 640px) {
  .site-footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: var(--space-8);
  }
}
.site-footer__brand-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  line-height: var(--leading-relaxed);
  max-width: 18rem;
}
.site-footer__heading {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text);
  margin: 0 0 var(--space-4);
}
.site-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.site-footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.site-footer__links a:hover {
  color: var(--color-accent);
}
.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}
@media (min-width: 640px) {
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.site-footer__legal a {
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.site-footer__legal a:hover {
  color: var(--color-text-muted);
}

/* -------------------------------------------------------------------------- */
/* Shared surfaces                                                            */
/* -------------------------------------------------------------------------- */

.surface-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.surface-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

/* -------------------------------------------------------------------------- */
/* Reduced motion overrides                                                   */
/* -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .service-card:hover,
  .btn-primary:hover {
    transform: none;
  }
  .btn-spinner {
    animation: none;
    border-top-color: #fff;
  }
}