/* ==========================================================================
   MR SHOPPER STUDIO — PRODUCTION DESIGN SYSTEM & STYLESHEET
   Variant: B (Clean Premium Trade) | Locality: Singapore
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Root Variables
   Derived strictly from design_brief.json palette and typography
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette (Exact Hex from Brief) */
  --background: #fcfbf9;
  --surface: #ffffff;
  --text: #111827;
  --muted: #525b6a;
  --primary: #0c52c2;
  --primary-text: #ffffff;
  --accent: #c08a3e;
  --dark: #0b1320;
  --dark-text: #ffffff;

  /* Architectural Surface Tones & Alpha Overlays (Built from exact palette) */
  --surface-alt: #f4f2ed;
  --surface-tint: #f0eee9;
  --surface-dark: #121c2d;
  --primary-hover: #093ea0;
  --primary-light: rgba(12, 82, 194, 0.08);
  --primary-subtle: rgba(12, 82, 194, 0.04);
  --accent-hover: #a87630;
  --accent-light: rgba(192, 138, 62, 0.12);
  --accent-subtle: rgba(192, 138, 62, 0.06);
  --border-light: rgba(17, 24, 39, 0.08);
  --border-medium: rgba(17, 24, 39, 0.16);
  --border-dark: rgba(255, 255, 255, 0.12);

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(11, 19, 32, 0.04);
  --shadow-sm: 0 2px 8px rgba(11, 19, 32, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 19, 32, 0.08);
  --shadow-lg: 0 16px 40px rgba(11, 19, 32, 0.12);
  --shadow-xl: 0 24px 60px rgba(11, 19, 32, 0.16);

  /* Typography */
  --font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Fluid Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.825rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-md: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --text-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --text-2xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.375rem);
  --text-3xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --text-4xl: clamp(2.75rem, 2.3rem + 2.2vw, 3.875rem);

  /* Layout Spacing */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Structural Dimensions */
  --container-max: 1280px;
  --header-height: 84px;
  --mobile-bar-height: 64px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Modern Reset & Base Rules
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--background);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip; /* Fix horizontal overflow without disabling sticky */
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip; /* Prevents overflow while allowing sticky header */
  background-color: var(--background);
  color: var(--text);
}

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

img {
  height: auto;
}

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

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

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   3. Accessibility & Focus States
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: 1.5rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--dark);
  color: var(--dark-text);
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 99999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* --------------------------------------------------------------------------
   4. Structural Layout Containers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 2rem;
  }
}

.section {
  padding-block: var(--space-3xl);
  position: relative;
}

@media (min-width: 1024px) {
  .section {
    padding-block: var(--space-4xl);
  }
}

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

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

.section--dark {
  background-color: var(--dark);
  color: var(--dark-text);
}

/* Section Header Typography */
.section-header {
  margin-bottom: var(--space-2xl);
  max-width: 760px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.25rem;
  height: 2px;
  background-color: var(--accent);
}

.eyebrow--primary {
  color: var(--primary);
}
.eyebrow--primary::before {
  background-color: var(--primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1rem;
}

.section--dark .section-title {
  color: var(--dark-text);
}

.section-lead {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--muted);
}

.section--dark .section-lead {
  color: rgba(255, 255, 255, 0.75);
}

/* --------------------------------------------------------------------------
   5. Buttons & Interactive Links
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  min-height: 48px;
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-align: center;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-text);
  border: 1px solid var(--primary);
  box-shadow: 0 4px 14px rgba(12, 82, 194, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: 0 6px 20px rgba(12, 82, 194, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--surface);
  border-color: var(--text);
  transform: translateY(-1px);
}

.btn-white {
  background-color: var(--surface);
  color: var(--dark);
  border: 1px solid var(--surface);
}

.btn-white:hover {
  background-color: var(--background);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--dark-text);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  min-height: 40px;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 1.125rem 2.25rem;
  min-height: 54px;
  font-size: var(--text-base);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   6. Sticky Header & Navigation (Rule: Direct child of body, stays pinned)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* Brand Logo (Starts header, is home link, no separate Home menu item) */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  color: var(--text);
  min-height: 48px;
}

.logo-symbol {
  width: 44px;
  height: 44px;
  background-color: var(--dark);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.05em;
  position: relative;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-symbol::after {
  content: "";
  position: absolute;
  inset: 2px;
  border: 1px solid rgba(192, 138, 62, 0.4);
  border-radius: 2px;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--dark);
  text-transform: uppercase;
}

.logo-tagline {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-top: 2px;
}

/* Desktop Navigation */
.desktop-nav {
  display: none;
}

@media (min-width: 1024px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }

  .nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }

  .nav-item {
    position: relative;
  }

  .nav-link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text);
    padding: 0.5rem 0.25rem;
    position: relative;
    display: inline-flex;
    align-items: center;
    transition: color var(--transition-fast);
  }

  .nav-link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-fast);
  }

  .nav-link:hover {
    color: var(--primary);
  }

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

  .nav-link.is-active {
    color: var(--primary);
    font-weight: 700;
  }

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

  .header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-inline-start: 1rem;
  }

  .header-phone-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--text);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    background-color: var(--surface-alt);
    transition: background-color var(--transition-fast);
  }

  .header-phone-link:hover {
    background-color: var(--border-light);
    color: var(--primary);
  }
}

/* Mobile Menu Toggle Button (>= 48px) */
.mobile-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  color: var(--dark);
  border: 1px solid var(--border-light);
  background-color: var(--surface);
}

@media (min-width: 1024px) {
  .mobile-toggle {
    display: none;
  }
}

.mobile-toggle-icon {
  width: 22px;
  height: 2px;
  background-color: currentColor;
  position: relative;
  transition: background-color var(--transition-fast);
}

.mobile-toggle-icon::before,
.mobile-toggle-icon::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 2px;
  background-color: currentColor;
  left: 0;
  transition: transform var(--transition-fast), top var(--transition-fast);
}

.mobile-toggle-icon::before {
  top: -6px;
}

.mobile-toggle-icon::after {
  top: 6px;
}

.mobile-toggle[aria-expanded="true"] .mobile-toggle-icon {
  background-color: transparent;
}

.mobile-toggle[aria-expanded="true"] .mobile-toggle-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-toggle[aria-expanded="true"] .mobile-toggle-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Mobile Drawer Navigation */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  inset-inline-start: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--surface);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  overflow-y: auto;
  border-top: 1px solid var(--border-light);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  visibility: hidden;
}

.mobile-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

@media (min-width: 1024px) {
  .mobile-drawer {
    display: none;
  }
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text);
  border-radius: var(--radius-sm);
  background-color: var(--surface-alt);
  min-height: 48px;
}

.mobile-nav-link.is-active {
  background-color: var(--primary-light);
  color: var(--primary);
}

.mobile-nav-link svg {
  color: var(--muted);
  width: 18px;
  height: 18px;
}

.mobile-drawer-contact {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   7. Hero Section (Full-bleed Architectural Photo)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  background-color: var(--dark);
  color: var(--dark-text);
  padding-block: var(--space-3xl);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  filter: brightness(0.65) contrast(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11, 19, 32, 0.92) 0%,
    rgba(11, 19, 32, 0.75) 45%,
    rgba(11, 19, 32, 0.45) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}

.hero-proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.star-rating {
  color: #ffb800;
  letter-spacing: 2px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: #ffffff;
  margin-bottom: 1.25rem;
  text-wrap: balance;
}

@media (min-width: 1024px) {
  .hero-headline {
    font-size: var(--text-4xl);
  }
}

.hero-subheadline {
  font-size: var(--text-md);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2rem;
  max-width: 680px;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.hero-chip svg {
  color: var(--accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Page Hero (Inner Pages) */
.page-hero {
  background-color: var(--dark);
  color: var(--dark-text);
  padding-block: var(--space-3xl) var(--space-2xl);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-dark);
}

.page-hero-inner {
  max-width: 840px;
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 1rem;
}

.page-hero-lead {
  font-size: var(--text-md);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
}

/* --------------------------------------------------------------------------
   8. Trust Credentials Strip
   -------------------------------------------------------------------------- */
.trust-strip {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border-light);
  padding-block: 2rem;
}

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

@media (min-width: 640px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.trust-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background-color: var(--surface-alt);
  border: 1px solid var(--border-light);
}

.trust-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 0.25rem;
}

.trust-content p {
  font-size: var(--text-xs);
  color: var(--muted);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   9. Signature: Interactive Before & After Transformation Explorer
   -------------------------------------------------------------------------- */
.transformation-section {
  background-color: var(--surface-alt);
}

.transformation-wrapper {
  background-color: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.transformation-header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border-light);
}

.transformation-title-box h3 {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--text);
}

.transformation-title-box p {
  font-size: var(--text-xs);
  color: var(--muted);
}

.transformation-tags {
  display: flex;
  gap: 0.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary);
}

.badge-accent {
  background-color: var(--accent-light);
  color: var(--accent);
}

/* Comparison Container */
.comparison-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 360px;
  max-height: 600px;
  overflow: hidden;
  user-select: none;
  touch-action: pan-y;
}

.comparison-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.comparison-before {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
  will-change: width;
}

.comparison-before .comparison-image {
  width: 100vw;
  max-width: var(--container-max);
}

.comparison-after {
  z-index: 1;
}

.comparison-label {
  position: absolute;
  top: 1rem;
  padding: 0.35rem 0.85rem;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  z-index: 4;
  backdrop-filter: blur(8px);
}

.comparison-label--before {
  left: 1rem;
  background-color: rgba(11, 19, 32, 0.75);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.comparison-label--after {
  right: 1rem;
  background-color: rgba(12, 82, 194, 0.85);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.comparison-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background-color: #ffffff;
  z-index: 5;
  transform: translateX(-50%);
  cursor: ew-resize;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.5);
}

.comparison-handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #ffffff;
  color: var(--dark);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  border: 2px solid var(--primary);
}

.comparison-range {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 6;
  cursor: ew-resize;
  margin: 0;
}

.transformation-meta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding: 1.5rem;
  background-color: var(--surface);
  border-top: 1px solid var(--border-light);
}

@media (min-width: 768px) {
  .transformation-meta-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.meta-item h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.meta-item p {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text);
}

/* --------------------------------------------------------------------------
   10. Service Pillars Grid
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.service-card-header {
  padding: 2rem 1.75rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.service-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.service-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.6;
}

.service-card-body {
  padding: 1.5rem 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
}

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

.service-check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--text);
  line-height: 1.4;
}

.service-check-item svg {
  color: var(--accent);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Service Detail Banner with image */
.service-spotlight-card {
  background-color: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 3rem;
}

@media (min-width: 1024px) {
  .service-spotlight-card {
    grid-template-columns: 1fr 1fr;
  }
}

.service-spotlight-img-box {
  position: relative;
  min-height: 320px;
}

.service-spotlight-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-spotlight-body {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   11. Signature: Interactive 60-Second IPA Program™ Diagnostic Widget
   -------------------------------------------------------------------------- */
.ipa-section {
  background-color: var(--dark);
  color: var(--dark-text);
}

.ipa-card {
  background-color: #121d30;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
  .ipa-card {
    padding: 3rem 2.5rem;
  }
}

.ipa-header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ipa-steps-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent);
}

.ipa-question-block {
  display: none;
}

.ipa-question-block.is-active {
  display: block;
}

.ipa-question-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.ipa-question-subtitle {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.ipa-options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .ipa-options-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ipa-option-label {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ipa-option-label:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

.ipa-option-label:has(input:checked) {
  background-color: rgba(12, 82, 194, 0.25);
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(12, 82, 194, 0.3);
}

.ipa-radio-input {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  margin-top: 2px;
  flex-shrink: 0;
  display: grid;
  place-content: center;
  transition: border-color var(--transition-fast);
}

.ipa-radio-input:checked {
  border-color: var(--primary);
}

.ipa-radio-input:checked::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent);
}

.ipa-option-text h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.ipa-option-text p {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.4;
}

.ipa-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

/* IPA Result Box */
.ipa-result-box {
  display: none;
  background: linear-gradient(135deg, rgba(12, 82, 194, 0.15) 0%, rgba(11, 19, 32, 0.8) 100%);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
}

@media (min-width: 768px) {
  .ipa-result-box {
    padding: 2.5rem;
  }
}

.ipa-result-box.is-active {
  display: block;
}

.ipa-result-header {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 1.25rem;
}

.ipa-result-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.ipa-result-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .ipa-result-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ipa-result-card {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
}

.ipa-result-card h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.ipa-result-card p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   12. Curated Portfolio & 12 Signature Themes
   -------------------------------------------------------------------------- */
.portfolio-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.portfolio-tab-btn {
  padding: 0.625rem 1.25rem;
  min-height: 44px;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  background-color: var(--surface);
  color: var(--muted);
  border: 1px solid var(--border-medium);
  transition: all var(--transition-fast);
}

.portfolio-tab-btn:hover {
  color: var(--text);
  border-color: var(--text);
}

.portfolio-tab-btn.is-active {
  background-color: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-card {
  background-color: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.portfolio-img-box {
  position: relative;
  aspect-ratio: 4 / 3;
  width: 100%;
  overflow: hidden;
  background-color: var(--surface-alt);
}

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

.portfolio-card:hover .portfolio-img {
  transform: scale(1.04);
}

.portfolio-badge {
  position: absolute;
  top: 1rem;
  inset-inline-start: 1rem;
  padding: 0.25rem 0.75rem;
  background-color: rgba(11, 19, 32, 0.85);
  color: #ffffff;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
}

.portfolio-info {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.portfolio-theme-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.portfolio-project-title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.portfolio-scope-desc {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.portfolio-footer-meta {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--muted);
}

/* 12 Themes Grid (For Services/About page) */
.themes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .themes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .themes-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .themes-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.theme-card {
  background-color: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--transition-fast);
}

.theme-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.theme-card-title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.theme-card-desc {
  font-size: var(--text-xs);
  color: var(--muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   13. Interactive Renovation Investment Calculator
   -------------------------------------------------------------------------- */
.calc-section {
  background-color: var(--surface);
}

.calc-card {
  background-color: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .calc-card {
    grid-template-columns: 1.25fr 1fr;
  }
}

.calc-form-pane {
  padding: 2rem 1.5rem;
}

@media (min-width: 768px) {
  .calc-form-pane {
    padding: 3rem 2.5rem;
  }
}

.calc-field-group {
  margin-bottom: 2rem;
}

.calc-field-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.calc-pill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .calc-pill-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.calc-pill-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  min-height: 48px;
  background-color: var(--surface-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.calc-pill-label:hover {
  background-color: var(--surface-tint);
}

.calc-pill-label:has(input:checked) {
  background-color: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
}

.calc-range-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.calc-range-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--muted);
}

.calc-range-val {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--primary);
}

.calc-range-slider {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--surface-alt);
  outline: none;
  accent-color: var(--primary);
}

.calc-checkbox-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .calc-checkbox-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.calc-check-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background-color: var(--surface-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
  transition: all var(--transition-fast);
}

.calc-check-label:hover {
  background-color: var(--surface-tint);
}

.calc-check-label:has(input:checked) {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.calc-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Calculator Summary Output Pane */
.calc-summary-pane {
  background-color: var(--dark);
  color: var(--dark-text);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .calc-summary-pane {
    padding: 3rem 2.5rem;
  }
}

.calc-summary-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.calc-summary-sub {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 2rem;
}

.calc-price-display {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.calc-price-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.calc-price-amount {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.calc-price-note {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.4;
}

.calc-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.calc-spec-item {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.calc-spec-item span:first-child {
  color: rgba(255, 255, 255, 0.7);
}

.calc-spec-item span:last-child {
  font-weight: 700;
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   14. Verified Client Reviews & Testimonials
   -------------------------------------------------------------------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

@media (min-width: 1200px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.review-card {
  background-color: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.review-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.review-author-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--surface-alt);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-sm);
  border: 1px solid var(--border-medium);
}

.review-author-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}

.review-source-tag {
  font-size: var(--text-xs);
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 2px;
}

.review-stars {
  color: #ffb800;
  font-size: 0.875rem;
  letter-spacing: 2px;
}

.review-quote {
  font-size: var(--text-sm);
  color: var(--text);
  line-height: 1.65;
  font-style: italic;
  flex-grow: 1;
}

.review-project-note {
  margin-top: 1.25rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--border-light);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   15. Singapore Homeowner FAQ Accordion (Solving AEO & Schema)
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: var(--surface-alt);
}

.faq-accordion {
  max-width: 860px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item:has(.faq-trigger[aria-expanded="true"]) {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  text-align: start;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
}

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

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

.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-panel {
  display: none;
  padding: 0 1.5rem 1.5rem;
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.7;
}

.faq-panel.is-open {
  display: block;
}

/* --------------------------------------------------------------------------
   16. Contact & Experience Center Section
   -------------------------------------------------------------------------- */
.contact-section {
  background-color: var(--surface);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contact-info-pane {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card-box {
  background-color: var(--surface-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-text-col h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.contact-text-col p {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.5;
}

.contact-map-frame {
  width: 100%;
  height: 280px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Consultation Form */
.contact-form-pane {
  background-color: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .form-grid--two-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--text-sm);
  background-color: var(--surface-alt);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background-color: var(--surface);
  border-color: var(--primary);
  outline: none;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-notice {
  font-size: var(--text-xs);
  color: var(--muted);
  line-height: 1.45;
  margin-top: 0.5rem;
}

/* --------------------------------------------------------------------------
   17. Global Multi-Column Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--dark);
  color: var(--dark-text);
  padding-top: var(--space-4xl);
  padding-bottom: 2rem;
  border-top: 1px solid var(--border-dark);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-top-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  color: #ffffff;
}

.footer-brand-logo .logo-brand-name {
  color: #ffffff;
}

.footer-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  max-width: 340px;
}

.footer-accolade {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-xs);
  color: var(--accent);
  font-weight: 700;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav-link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast), padding var(--transition-fast);
}

.footer-nav-link:hover {
  color: #ffffff;
  padding-inline-start: 4px;
}

.footer-nap-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-nap-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.5;
}

.footer-nap-item svg {
  color: var(--accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-credits {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   18. Mobile Bottom Sticky Action Bar (Trades Playbook Mandate)
   -------------------------------------------------------------------------- */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-bar-height);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-medium);
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  z-index: 998;
}

@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.mobile-bar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 48px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
  text-align: center;
}

.mobile-bar-call {
  background-color: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border-medium);
}

.mobile-bar-wa {
  background-color: #25d366;
  color: #ffffff;
  border: 1px solid #25d366;
}

/* Extra body padding on mobile to clear the sticky action bar */
@media (max-width: 767px) {
  body {
    padding-bottom: var(--mobile-bar-height);
  }
}

/* --------------------------------------------------------------------------
   19. Back to Top Button
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--dark);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

@media (max-width: 767px) {
  .back-to-top {
    bottom: calc(var(--mobile-bar-height) + 1rem);
  }
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   20. Motion & Scroll Reveal System
   (Requirement: Content must be visible without JavaScript.
    All animations wrapped in @media (prefers-reduced-motion: no-preference))
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
}