/* ==========================================================================
   Keystone Mortgage — Core Design System & Global Styles
   Look & feel: Editorial, warm sand, deep navy, gold accents, calm & authoritative.
   Fonts: Fraunces (headings), Inter (body)
   ========================================================================== */

:root {
  /* Color Palette per Specification §4 */
  --color-primary: #0F2A44;
  --color-primary-700: #163B5E;
  --color-primary-800: #0D2237;
  --color-primary-900: #081726;
  --color-accent: #C8A15A;
  --color-accent-light: #F2E8D5;
  --color-accent-dark: #A68037;
  --color-sand: #F5EFE6;
  --color-sand-light: #FAF7F2;
  --color-sand-dark: #EADECF;
  --color-ink: #111827;
  --color-stone: #6B7280;
  --color-stone-light: #F3F4F6;
  --color-border: #E5E7EB;
  --color-border-warm: #E2D7C8;
  --color-card-bg: #FFFFFF;
  --color-warning: #B45309;
  --color-warning-bg: #FFFBEB;
  --color-warning-border: #FCD34D;
  --color-success: #065F46;
  --color-success-bg: #ECFDF5;

  /* Typography */
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

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

  /* Layout */
  --max-width: 1240px;
  --max-width-narrow: 840px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 42, 68, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 42, 68, 0.08), 0 2px 4px -1px rgba(15, 42, 68, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 42, 68, 0.08), 0 4px 6px -2px rgba(15, 42, 68, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 42, 68, 0.1), 0 10px 10px -5px rgba(15, 42, 68, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background-color: #FFFFFF;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 2.5vw + 0.5rem, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.6rem);
}

h4 {
  font-size: 1.15rem;
}

p {
  color: var(--color-ink);
  line-height: 1.7;
}

p.lead {
  font-size: 1.15rem;
  color: #374151;
  line-height: 1.8;
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-lg);
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin-inline: auto;
  padding-inline: var(--spacing-lg);
}

.section {
  padding-block: var(--spacing-3xl);
}

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

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

.section-navy {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.section-navy h1, .section-navy h2, .section-navy h3, .section-navy h4 {
  color: #FFFFFF;
}

.section-navy p {
  color: #D1D5DB;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: rgba(15, 42, 68, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--spacing-lg);
}

/* Brand Wordmark */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  white-space: nowrap !important;
  flex-shrink: 0;
}

.brand-logo span {
  white-space: nowrap !important;
  display: inline !important;
  word-break: keep-all;
}

.brand-glyph {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Desktop Nav */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  height: 100%;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-item:hover .nav-link, .nav-item:focus-within .nav-link {
  color: var(--color-accent-dark);
  background-color: var(--color-sand-light);
}

.nav-arrow {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-arrow, .nav-item:focus-within .nav-arrow {
  transform: rotate(180deg);
}

/* Dropdown Menu (Standard) */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #FFFFFF;
  min-width: 260px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.75rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 1010;
}

.nav-item:hover .nav-dropdown, .nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: flex;
  flex-direction: column;
  padding: 0.65rem 1.25rem;
  font-size: 0.92rem;
  color: var(--color-ink);
  transition: all var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--color-sand-light);
  color: var(--color-primary);
  padding-left: 1.45rem;
}

.dropdown-link .dropdown-subtext {
  font-size: 0.78rem;
  color: var(--color-stone);
  margin-top: 2px;
}

/* Mega-Menu (Mortgage Products) */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 880px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 1.75rem 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 1010;
}

.nav-item:hover .mega-menu, .nav-item:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.mega-col-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-dark);
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border-warm);
}

.mega-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mega-link {
  display: block;
  padding: 0.35rem 0.45rem;
  font-size: 0.88rem;
  color: var(--color-ink);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.mega-link:hover {
  background-color: var(--color-sand-light);
  color: var(--color-primary);
  transform: translateX(3px);
}

.mega-footer {
  margin-top: 1.25rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
}

.mega-footer a {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.mega-footer a:hover {
  color: var(--color-accent-dark);
}

/* Header CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-700);
  border-color: var(--color-primary-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

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

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border: 1.5px solid #FFFFFF;
}

.btn-outline-white:hover {
  background-color: #FFFFFF;
  color: var(--color-primary);
}

.btn-sand {
  background-color: #FFFFFF;
  color: var(--color-primary);
  border: 1px solid var(--color-border-warm);
}

.btn-sand:hover {
  background-color: var(--color-sand-light);
  border-color: var(--color-accent);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1.05rem;
}

/* Mobile Nav Toggle & Drawer */
.mobile-toggle {
  display: none;
  padding: 0.5rem;
  color: var(--color-primary);
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  background-color: #FFFFFF;
  z-index: 2000;
  padding: var(--spacing-xl) var(--spacing-lg);
  overflow-y: auto;
  display: none;
  flex-direction: column;
}

.mobile-drawer.active {
  display: flex;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.mobile-close-btn {
  font-size: 1.5rem;
  color: var(--color-primary);
}

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

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.4rem;
}

.mobile-sub-list {
  list-style: none;
  padding-left: 1rem;
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.4rem;
  margin-bottom: 0.8rem;
  border-left: 2px solid var(--color-border-warm);
}

.mobile-sub-list.active {
  display: flex;
}

.mobile-sub-link {
  font-size: 0.95rem;
  color: #374151;
  padding: 0.25rem 0;
}

/* Hero Section */
.hero {
  padding-block: var(--spacing-4xl) var(--spacing-3xl);
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-sand) 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background-color: var(--color-accent-light);
  border: 1px solid var(--color-accent);
  color: var(--color-accent-dark);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.hero-title {
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.18rem;
  color: #374151;
  line-height: 1.75;
  margin-bottom: var(--spacing-xl);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.hero-disclaimer-tag {
  font-size: 0.84rem;
  color: var(--color-stone);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Keystone Arch Graphic Mask */
.arch-card-wrapper {
  position: relative;
  border-radius: 24px 24px var(--radius-md) var(--radius-md);
  background: #FFFFFF;
  border: 1px solid var(--color-border-warm);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-xl);
}

.arch-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.arch-glyph-large {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.75rem;
  color: var(--color-accent);
}

.arch-pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.arch-stat-box {
  background: var(--color-sand-light);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
}

.arch-stat-val {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.arch-stat-label {
  font-size: 0.8rem;
  color: var(--color-stone);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

/* Breadcrumbs */
.breadcrumbs-bar {
  padding-block: 0.85rem;
  background-color: var(--color-sand-light);
  border-bottom: 1px solid var(--color-border-warm);
  font-size: 0.88rem;
}

.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.breadcrumb-separator {
  color: var(--color-stone);
  font-size: 0.75rem;
}

.breadcrumb-current {
  color: var(--color-primary);
  font-weight: 600;
}

/* Cards & Grid Systems */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-warm);
}

.card-sand {
  background-color: var(--color-sand-light);
  border-color: var(--color-border-warm);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--color-sand);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.65rem;
  color: var(--color-primary);
}

.card-text {
  font-size: 0.95rem;
  color: #4B5563;
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-top: auto;
}

.card-footer-link:hover {
  color: var(--color-accent-dark);
  gap: 0.6rem;
}

/* Comparison Table (Consultant vs Bank) */
.comparison-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background: #FFFFFF;
}

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

.comparison-table th, .comparison-table td {
  padding: 1.15rem 1.35rem;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  background-color: var(--color-sand-light);
  color: var(--color-primary);
}

.comparison-table th.highlight {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.comparison-table td.highlight {
  background-color: rgba(200, 161, 90, 0.05);
  font-weight: 500;
}

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

/* Step / Process Timeline */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  position: relative;
  margin-top: var(--spacing-2xl);
}

.process-step-item {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.step-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.step-desc {
  font-size: 0.88rem;
  color: #4B5563;
  line-height: 1.6;
}

/* Regulatory Data Pill / Review Notice */
.reg-notice {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  background: var(--color-sand-light);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--color-stone);
}

/* CTA Next Steps Strip */
.cta-strip {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-800) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-strip::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 40px solid rgba(200, 161, 90, 0.15);
  pointer-events: none;
}

.cta-strip-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cta-strip-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: #FFFFFF;
  margin-bottom: 0.75rem;
}

.cta-strip-subtitle {
  font-size: 1.1rem;
  color: #D1D5DB;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.cta-grid-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: left;
}

.cta-action-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  padding: 1.25rem 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  color: #FFFFFF;
  display: block;
}

.cta-action-card:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.cta-action-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: #FFFFFF;
}

.cta-action-desc {
  font-size: 0.8rem;
  color: #E5E7EB;
  line-height: 1.5;
}

/* Accordion Component */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #FFFFFF;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-trigger {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  background: #FFFFFF;
  transition: background var(--transition-fast);
}

.accordion-trigger:hover {
  background-color: var(--color-sand-light);
}

.accordion-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
  color: var(--color-accent-dark);
  flex-shrink: 0;
  margin-left: 1rem;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-panel {
  display: none;
  padding: 1.25rem 1.5rem 1.5rem;
  font-size: 0.95rem;
  color: #374151;
  background: #FFFFFF;
  line-height: 1.7;
}

.accordion-item.active .accordion-panel {
  display: block;
}

/* Disclaimers & Alert Boxes (§2.3) */
.disclaimer-box {
  background-color: var(--color-sand-light);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  font-size: 0.85rem;
  color: var(--color-stone);
  line-height: 1.65;
  margin-block: 1.5rem;
}

.notice-rate-risk {
  background-color: var(--color-warning-bg);
  border-left: 4px solid var(--color-warning);
  border-top: 1px solid var(--color-warning-border);
  border-right: 1px solid var(--color-warning-border);
  border-bottom: 1px solid var(--color-warning-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  color: #92400E;
  margin-block: 1.25rem;
  line-height: 1.6;
}

.notice-islamic {
  background-color: #F0FDF4;
  border-left: 4px solid #10B981;
  border-top: 1px solid #BBF7D0;
  border-right: 1px solid #BBF7D0;
  border-bottom: 1px solid #BBF7D0;
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  color: #065F46;
  margin-block: 1.25rem;
  line-height: 1.6;
}

/* Tab Navigation */
.tabs-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--color-border-warm);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-stone);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-primary);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Document Checklist Interactive */
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.checklist-item:hover {
  border-color: var(--color-accent);
  background-color: var(--color-sand-light);
}

.checklist-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.checklist-label {
  font-size: 0.92rem;
  cursor: pointer;
}

/* Footer (§10) */
.site-footer {
  background-color: var(--color-primary-900);
  color: #D1D5DB;
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-2xl);
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand-desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: #9CA3AF;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  font-size: 0.88rem;
  color: #9CA3AF;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent-light);
}

.footer-disclaimer-wrapper {
  padding-block: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: var(--spacing-xl);
}

.footer-general-disclaimer {
  font-size: 0.82rem;
  color: #9CA3AF;
  line-height: 1.65;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.84rem;
  color: #6B7280;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #9CA3AF;
}

.back-to-top:hover {
  color: #FFFFFF;
}

/* Article / Long-form Content Layout */
.article-header {
  margin-bottom: var(--spacing-2xl);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.88rem;
  color: var(--color-stone);
  margin-top: 0.75rem;
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #1F2937;
}

.article-content h2 {
  margin-top: 2.25rem;
  margin-bottom: 0.85rem;
}

.article-content h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.65rem;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 1.75rem;
  font-size: 0.95rem;
}

.article-content th, .article-content td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
}

.article-content th {
  background-color: var(--color-sand-light);
  font-family: var(--font-serif);
  color: var(--color-primary);
  text-align: left;
}

.toc-card {
  background: var(--color-sand-light);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.toc-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.toc-link {
  font-size: 0.9rem;
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.toc-link:hover {
  color: var(--color-accent-dark);
}

/* Print Stylesheet (§7.6) */
@media print {
  .site-header, .site-footer, .btn, .tabs-nav, .mobile-toggle, .back-to-top, .cta-strip {
    display: none !important;
  }
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
    font-size: 12pt;
  }
  .container, .container-narrow {
    max-width: 100% !important;
    padding: 0 !important;
  }
  .card, .arch-card-wrapper {
    box-shadow: none !important;
    border: 1px solid #CCC !important;
  }
}

/* Responsive Media Queries */
@media (max-width: 1080px) {
  .desktop-nav {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  .cta-grid-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .cta-grid-actions {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .footer-legal-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  .checklist-grid {
    grid-template-columns: 1fr;
  }
}