/* ==========================================================================
   HALLMARK CORPORATE SERVICES - ENTERPRISE MODERN STYLESHEET
   Playbook: Professional | Variant C (Approachable Expert)
   Singapore Corporate Services & Statutory Compliance
   ========================================================================== */

/* Design Tokens & Custom Properties (WCAG AA Compliant) */
:root {
  /* Palette defined strictly in design_brief.json */
  --color-background: #fbfaf7;
  --color-surface: #ffffff;
  --color-surface-subtle: #f5f3ec;
  --color-surface-hover: #f0ede3;
  --color-text: #101828;
  --color-muted: #475467;
  --color-primary: #165ac6;       /* Contrast ratio against #ffffff: 6.34:1 (WCAG AA) */
  --color-primary-dark: #114499;
  --color-primary-light: #eef4fd;
  --color-primary-text: #ffffff;
  --color-accent: #d96528;        /* Hallmark terracotta seal accent */
  --color-accent-dark: #b84f18;
  --color-accent-light: #fdf1ea;
  --color-dark: #0b192c;          /* Deep midnight navy for footers & dark badges */
  --color-dark-surface: #13243d;
  --color-dark-text: #f8fafc;
  --color-dark-muted: #94a3b8;
  --color-border: #e4e7ec;
  --color-border-subtle: #edebe4;
  --color-border-focus: #165ac6;
  --color-success: #027a48;
  --color-success-light: #ecfdf3;
  --color-warning: #b54708;
  --color-warning-light: #fffaeb;
  
  /* Typography */
  --font-display: 'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
  --font-body: 'Figtree', system-ui, -apple-system, sans-serif;
  
  /* Fluid Typographic Scale */
  --fs-xs: clamp(0.75rem, 0.2vw + 0.7rem, 0.8125rem);
  --fs-sm: clamp(0.875rem, 0.25vw + 0.8rem, 0.9375rem);
  --fs-base: clamp(1rem, 0.3vw + 0.92rem, 1.0625rem);
  --fs-md: clamp(1.125rem, 0.5vw + 1rem, 1.25rem);
  --fs-lg: clamp(1.25rem, 0.8vw + 1.05rem, 1.5rem);
  --fs-xl: clamp(1.5rem, 1.5vw + 1.15rem, 2rem);
  --fs-2xl: clamp(1.875rem, 2.5vw + 1.25rem, 2.625rem);
  --fs-3xl: clamp(2.25rem, 3.8vw + 1.3rem, 3.5rem);
  
  /* Radii & Shadows (Variant C: Friendly rounded cards) */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-sm: 0 2px 8px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px -4px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 16px 36px -6px rgba(16, 24, 40, 0.12);
  --shadow-elevated: 0 24px 48px -12px rgba(11, 25, 44, 0.18);
  
  /* Layout Spacing */
  --container-max: 1240px;
  --container-pad: clamp(1rem, 3.5vw, 2.5rem);
  --section-pad: clamp(3.5rem, 6vw, 6rem);
  
  /* Transitions */
  --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 280ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  overflow-x: clip; /* Cleanly clips without disabling sticky header */
}

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.65;
  font-size: var(--fs-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Content wrapper ensuring footer sticks at bottom */
main {
  flex: 1 0 auto;
}

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

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

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

/* Accessible visible focus indicator */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
h5 { font-size: var(--fs-md); }
h6 { font-size: var(--fs-base); }

p {
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Layout Containers & Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--section-pad);
  position: relative;
}

.section--alt {
  background-color: var(--color-surface-subtle);
  border-block: 1px solid var(--color-border-subtle);
}

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

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-dark-text);
}

.section--dark p {
  color: var(--color-dark-muted);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header--left {
  text-align: left;
  margin-inline: 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

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

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: var(--fs-md);
  color: var(--color-muted);
  line-height: 1.6;
}

/* Responsive Grid Systems */
.grid {
  display: grid;
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
}

/* ==========================================================================
   Buttons & Interactive CTAs (WCAG Compliant)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 600;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 48px; /* Touch target minimum */
  min-width: 0;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
  box-shadow: 0 2px 6px rgba(22, 90, 198, 0.25);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(22, 90, 198, 0.35);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}

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

.btn--accent {
  background-color: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(217, 101, 40, 0.25);
}

.btn--accent:hover {
  background-color: var(--color-accent-dark);
  box-shadow: 0 4px 12px rgba(217, 101, 40, 0.35);
  transform: translateY(-1px);
}

.btn--whatsapp {
  background-color: #25d366;
  color: #0b2212;
  font-weight: 600;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.btn--whatsapp:hover {
  background-color: #20bd5a;
  transform: translateY(-1px);
}

.btn--outline-white {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

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

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--fs-md);
  border-radius: var(--radius-md);
}

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

/* ==========================================================================
   Header & Sticky Navigation (Direct child of <body>)
   ========================================================================== */
.topbar {
  background-color: var(--color-dark);
  color: var(--color-dark-muted);
  font-size: var(--fs-xs);
  padding-block: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.topbar__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-dark-text);
  font-weight: 500;
}

.topbar__badge svg {
  color: var(--color-accent);
}

.topbar__contacts {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-inline-start: auto;
}

.topbar__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-dark-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.topbar__link:hover {
  color: #ffffff;
}

/* Main Sticky Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition-fast);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 1.5rem;
}

/* Logo Home Link (Strict brief rule: logo IS the home link; no separate 'Home' in nav) */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
  padding-block: 0.25rem;
}

.brand-logo__img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  object-fit: contain;
}

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

.brand-logo__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.brand-logo__sub {
  font-size: 0.725rem;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

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

@media (min-width: 992px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
}

.nav-desktop__link {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-muted);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-desktop__link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

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

.nav-desktop__link.is-active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

/* Header Action Buttons */
.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__actions .btn-whatsapp-header {
  display: none;
}

@media (min-width: 640px) {
  .header__actions .btn-whatsapp-header {
    display: inline-flex;
  }
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.mobile-toggle:hover {
  background-color: var(--color-surface-subtle);
  border-color: var(--color-muted);
}

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

.mobile-toggle__bar::before,
.mobile-toggle__bar::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  transition: transform var(--transition-fast);
}

.mobile-toggle__bar::before {
  top: -7px;
}

.mobile-toggle__bar::after {
  top: 7px;
}

/* Toggle state when open */
.mobile-toggle[aria-expanded="true"] .mobile-toggle__bar {
  background-color: transparent;
}

.mobile-toggle[aria-expanded="true"] .mobile-toggle__bar::before {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] .mobile-toggle__bar::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  inset-block-start: 80px;
  inset-inline: 0;
  bottom: 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem var(--container-pad);
  overflow-y: auto;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

@media (min-width: 992px) {
  .mobile-drawer {
    display: none !important;
  }
}

.mobile-drawer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.mobile-drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-subtle);
}

.mobile-drawer__link:hover,
.mobile-drawer__link.is-active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.mobile-drawer__contact {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ==========================================================================
   Hero Section (Split Layout according to design_brief.json)
   ========================================================================== */
.hero {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
  background: linear-gradient(180deg, #ffffff 0%, var(--color-background) 100%);
  border-bottom: 1px solid var(--color-border-subtle);
  position: relative;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

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

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__proof-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-xs);
}

.hero__stars {
  color: #f59e0b;
  display: inline-flex;
  letter-spacing: 0.1em;
}

.hero__headline {
  margin-bottom: 1.25rem;
  font-size: var(--fs-3xl);
  line-height: 1.12;
}

.hero__headline .text-primary {
  color: var(--color-primary);
}

.hero__subheadline {
  font-size: var(--fs-md);
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.hero__proof-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  width: 100%;
}

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

.hero__stat-num {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.hero__stat-label {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  font-weight: 500;
}

.hero__media {
  position: relative;
}

.hero__image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

.hero__image {
  width: 100%;
  aspect-ratio: 13 / 7;
  object-fit: cover;
}

/* Floating Credential Badge on Hero Media */
.hero__floating-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(22, 90, 198, 0.15);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  max-width: 320px;
}

.hero__floating-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xs);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero__floating-text {
  display: flex;
  flex-direction: column;
}

.hero__floating-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.hero__floating-sub {
  font-size: var(--fs-xs);
  color: var(--color-muted);
}

/* ==========================================================================
   Section 1: Trust Credentials & Regulatory Badges
   ========================================================================== */
.trust-strip {
  padding-block: 2.5rem;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border-subtle);
}

.trust-item__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-xs);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-item__title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.trust-item__desc {
  font-size: var(--fs-xs);
  color: var(--color-muted);
}

/* ==========================================================================
   Section 2: Services Grid (Turnkey Corporate Solutions)
   ========================================================================== */
.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.service-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-surface-subtle);
}

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

.service-card:hover .service-card__img {
  transform: scale(1.04);
}

.service-card__tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(11, 25, 44, 0.88);
  color: #ffffff;
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.service-card__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card__title {
  font-size: var(--fs-lg);
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.service-card__text {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.service-card__checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  margin-top: auto;
}

.service-card__checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  color: var(--color-text);
  font-weight: 500;
}

.service-card__checklist-item svg {
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

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

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.service-card__link:hover {
  color: var(--color-primary-dark);
  gap: 0.6rem;
}

/* ==========================================================================
   Section 3: How It Works (4-Step Onboarding Journey)
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1.5rem;
  position: relative;
}

.step-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
}

.step-card__number {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary-light);
  -webkit-text-stroke: 2px var(--color-primary);
  line-height: 1;
  margin-bottom: 1rem;
}

.step-card__title {
  font-size: var(--fs-md);
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.step-card__text {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Section 4: Compliance Lifecycle Navigator (SIGNATURE SECTION)
   Interactive step-by-step visual timeline for founder regulatory obligations
   ========================================================================== */
.roadmap-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3.5vw, 3rem);
  box-shadow: var(--shadow-md);
}

.roadmap-nav {
  display: flex;
  overflow-x: auto;
  gap: 0.75rem;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  scrollbar-width: thin;
}

.roadmap-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.roadmap-tab:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.roadmap-tab.is-active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(22, 90, 198, 0.25);
}

.roadmap-tab__phase {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.85;
}

.roadmap-tab__label {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 700;
}

.roadmap-pane {
  display: none;
  animation: fadeIn 300ms ease-in-out;
}

.roadmap-pane.is-active {
  display: block;
}

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

.roadmap-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 992px) {
  .roadmap-stage {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.roadmap-stage__content {
  display: flex;
  flex-direction: column;
}

.roadmap-stage__header {
  margin-bottom: 1.25rem;
}

.roadmap-stage__badge {
  display: inline-block;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.roadmap-stage__title {
  font-size: var(--fs-xl);
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.roadmap-stage__desc {
  font-size: var(--fs-base);
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.roadmap-stage__checklist {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.roadmap-check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: var(--color-surface-subtle);
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
}

.roadmap-check-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.roadmap-check-item__text {
  font-size: var(--fs-sm);
  color: var(--color-text);
  font-weight: 500;
}

/* Regulatory Warning Box & Deliverable Box */
.roadmap-stage__sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.roadmap-box {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid;
}

.roadmap-box--warning {
  background-color: var(--color-warning-light);
  border-color: rgba(181, 71, 8, 0.2);
}

.roadmap-box--warning .roadmap-box__title {
  color: var(--color-warning);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-sm);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.roadmap-box--warning p {
  color: #712b05;
  font-size: var(--fs-xs);
  line-height: 1.6;
  margin: 0;
}

.roadmap-box--deliverable {
  background-color: var(--color-primary-light);
  border-color: rgba(22, 90, 198, 0.2);
}

.roadmap-box--deliverable .roadmap-box__title {
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-sm);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.roadmap-box--deliverable p {
  color: #0d387c;
  font-size: var(--fs-xs);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   Section 5: Transparent Pricing Tiers
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: clamp(1.5rem, 3vw, 2.25rem);
  align-items: stretch;
}

.pricing-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.pricing-card--popular {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, #ffffff 0%, var(--color-primary-light) 100%);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  right: 1.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(22, 90, 198, 0.3);
}

.pricing-card__header {
  margin-bottom: 1.5rem;
}

.pricing-card__name {
  font-size: var(--fs-xl);
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.pricing-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.5;
  min-height: 44px;
}

.pricing-card__cost {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__currency {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.pricing-card__amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.pricing-card__period {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  font-weight: 500;
}

.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: var(--fs-sm);
  color: var(--color-text);
}

.pricing-feature svg {
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   Section 6: Why Hallmark (6 Operational Pillars)
   ========================================================================== */
.pillar-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}

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

.pillar-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.pillar-card__title {
  font-size: var(--fs-md);
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.pillar-card__text {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Section 7: Testimonials (Authentic Verified Google Reviews)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.review-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
}

.review-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.review-card__stars {
  color: #f59e0b;
  letter-spacing: 0.1em;
  font-size: 1.1rem;
}

.review-card__source {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-xs);
  color: var(--color-muted);
  background-color: var(--color-surface-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.review-card__quote {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.review-card__author-box {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-subtle);
}

.review-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.review-card__author-info {
  display: flex;
  flex-direction: column;
}

.review-card__author-name {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text);
}

.review-card__author-meta {
  font-size: var(--fs-xs);
  color: var(--color-muted);
}

/* ==========================================================================
   Section 8: Practical Singapore Statutory & Tax Advisory Guides
   ========================================================================== */
.insight-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.insight-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface-subtle);
  overflow: hidden;
}

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

.insight-card:hover .insight-card__img {
  transform: scale(1.05);
}

.insight-card__tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(11, 25, 44, 0.88);
  color: #ffffff;
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.insight-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.insight-card__date {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.insight-card__title {
  font-size: var(--fs-md);
  margin-bottom: 0.75rem;
  color: var(--color-text);
  line-height: 1.35;
}

.insight-card__text {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.insight-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* ==========================================================================
   Section 9: FAQ Accordions (AEO Optimized & Accessible)
   ========================================================================== */
.faq-list {
  max-width: 840px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.faq-item[open] {
  border-color: var(--color-primary);
}

.faq-summary {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

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

.faq-content {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: var(--fs-base);
  color: var(--color-muted);
  line-height: 1.65;
}

/* ==========================================================================
   Section 10: Contact & Consultation Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.contact-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

@media (min-width: 600px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-label .required {
  color: #dc2626;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-base);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(22, 90, 198, 0.15);
}

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

/* Contact Info & Direct Triggers */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-channel {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}

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

.contact-channel__content {
  display: flex;
  flex-direction: column;
}

.contact-channel__label {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-channel__value {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-text);
}

.contact-channel__sub {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  margin-top: 0.2rem;
}

/* Map Embed Container */
.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface-subtle);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==========================================================================
   Global Footer (Institutional Dark Midnight Navy)
   ========================================================================== */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-dark-muted);
  padding-top: clamp(3.5rem, 6vw, 5rem);
  padding-bottom: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 3.5rem;
}

.footer__brand {
  grid-column: 1 / -1;
  max-width: 380px;
}

@media (min-width: 992px) {
  .footer__brand {
    grid-column: span 1;
  }
}

.footer__brand-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer__brand-text {
  font-size: var(--fs-sm);
  color: var(--color-dark-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer__uen-badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-xs);
  font-size: var(--fs-xs);
  color: #ffffff;
  font-weight: 600;
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__link {
  font-size: var(--fs-sm);
  color: var(--color-dark-muted);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: #ffffff;
}

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  font-size: var(--fs-xs);
}

.footer__credits {
  color: var(--color-dark-muted);
}

/* ==========================================================================
   Back to Top Button (Strictly >= 48px touch target with aria-label)
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
}

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

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

/* ==========================================================================
   Form Feedback Alert Messages
   ========================================================================== */
.form-alert {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  margin-top: 1rem;
}

.form-alert--success {
  background-color: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid rgba(2, 122, 72, 0.2);
}

/* ==========================================================================
   Scroll-Reveal Motion (Wrapped in prefers-reduced-motion)
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  .reveal-on-scroll {
    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-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }
}