/* ==========================================================================
   YFM Advisory - Shared Stylesheet
   Regulated Australian Financial Services Marketing Design System
   ========================================================================== */

:root {
  /* Colour Palette */
  --color-ink: #111111;
  --color-black: #000000;
  --color-page: #F8F8F6;
  --color-muted-band: #EFEFEC;
  --color-elevated: #FFFFFF;
  --color-muted-text: #5F5F5A;
  --color-on-dark: #E8E3DA;
  --color-accent: #2E5E53;
  --color-accent-on-dark: #6FA396;
  --color-hairline: #E0E0DC;
  --color-control-border: #8A857B;
  --color-error: #8A2B22;

  /* Header & Footer Brand Band (#1B3D36) */
  --color-header-band: #1B3D36;
  --color-header-wordmark: #F1EFE9;
  --color-header-advisory: #6FA396;
  --color-header-link: #D9D5CC;
  --color-header-link-active: #6FA396;
  --color-header-btn-bg: #F1EFE9;
  --color-header-btn-text: #1B3D36;
  --color-footer-heading: #6FA396;
  --color-footer-link: #D9D5CC;
  --color-footer-divider: #2C4F47;
  --color-footer-legal: #9DB3AC;

  /* Typography */
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Geometry & Rhythm */
  --radius: 2px;
  --transition-timing: 150ms ease-out;
  --max-width-container: 1240px;
  --max-width-measure: 68ch;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--color-page);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body.drawer-open {
  overflow: hidden !important;
}

body.has-sticky-bar {
  padding-bottom: 80px;
}

@media (min-width: 1024px) {
  body.has-sticky-bar {
    padding-bottom: 0;
  }
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-ink);
  color: var(--color-page);
  padding: 12px 24px;
  z-index: 9999;
  font-weight: 500;
  font-size: 14px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid var(--color-accent);
  transition: top var(--transition-timing);
}

.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Focus States (Universal WCAG 2.2 AA) */
:focus-visible {
  outline: 2px solid var(--color-accent) !important;
  outline-offset: 2px !important;
}

/* Motion Rules: 150ms ease-out on color, opacity, border, underline only */
a, button, input, select, textarea, summary, [role="button"] {
  transition-property: color, background-color, border-color, opacity, text-decoration-color;
  transition-duration: 150ms;
  transition-timing-function: ease-out;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* --------------------------------------------------------------------------
   Typography Rules
   -------------------------------------------------------------------------- */
h1 {
  font-family: var(--font-serif);
  font-weight: 400 !important;
  line-height: 1.0;
  color: var(--color-ink);
  letter-spacing: -0.015em;
}

h2 {
  font-family: var(--font-serif);
  font-weight: 400 !important;
  line-height: 1.1;
  color: var(--color-ink);
  letter-spacing: -0.015em;
}

h3, h4, h5, h6 {
  font-family: var(--font-sans) !important;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.font-serif {
  font-family: var(--font-serif) !important;
  font-weight: 400 !important;
}

.font-sans {
  font-family: var(--font-sans) !important;
}

.text-measure {
  max-width: var(--max-width-measure);
}

.container-yfm {
  width: 100%;
  max-width: var(--max-width-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (min-width: 768px) {
  .container-yfm {
    padding-left: 32px;
    padding-right: 32px;
  }
}

/* --------------------------------------------------------------------------
   Structural Hairlines & Backgrounds
   -------------------------------------------------------------------------- */
.border-hairline {
  border-color: var(--color-hairline) !important;
}

.border-b-hairline {
  border-bottom: 1px solid var(--color-hairline);
}

.border-t-hairline {
  border-top: 1px solid var(--color-hairline);
}

.border-control {
  border: 1px solid var(--color-control-border);
}

.bg-page {
  background-color: var(--color-page);
}

.bg-muted-band {
  background-color: var(--color-muted-band);
}

.bg-elevated {
  background-color: var(--color-elevated);
}

.bg-ink {
  background-color: var(--color-ink);
  color: var(--color-page);
}

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

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

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

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

.radius-2 {
  border-radius: var(--radius) !important;
}

/* --------------------------------------------------------------------------
   Buttons (2px corner radius everywhere, 44px min tap targets)
   -------------------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  background-color: var(--color-ink);
  color: var(--color-page);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--color-ink);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: #2b2b2b;
  border-color: #2b2b2b;
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--color-accent);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-accent:hover {
  background-color: #244b42;
  border-color: #244b42;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  background-color: transparent;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--color-control-border);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-outline:hover {
  border-color: var(--color-ink);
  background-color: rgba(17, 17, 17, 0.03);
}

.btn-sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 14px;
}

/* --------------------------------------------------------------------------
   Header & Dropdown Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-header-band);
  border-bottom: none !important;
  box-shadow: none !important;
  height: 76px;
}

.site-header.scrolled {
  height: 76px;
  background-color: var(--color-header-band);
  box-shadow: none !important;
  border-bottom: none !important;
}

@media (max-width: 1023px) {
  .site-header {
    height: 76px !important;
  }
  .site-header.scrolled {
    height: 76px !important;
  }
}

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 76px;
  padding: 0 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-header-link);
  text-decoration: none;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  box-shadow: none;
  transition: color var(--transition-timing);
}

.site-header.scrolled .nav-link {
  height: 76px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 14px;
  right: 14px;
  height: 2px;
  background-color: #6FA396;
  transform: scaleX(0);
  transition: transform var(--transition-timing);
  transform-origin: center;
}

.nav-link:hover,
.nav-link[aria-expanded="true"],
.nav-link.active {
  color: #FFFFFF;
}

.nav-link:hover::after,
.nav-link[aria-expanded="true"]::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Header Action: Inverted "Talk to a broker" Button */
.btn-header-broker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  background-color: #F1EFE9 !important;
  color: #1B3D36 !important;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid #F1EFE9 !important;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity var(--transition-timing);
}

.btn-header-broker:hover {
  background-color: #F1EFE9 !important;
  color: #1B3D36 !important;
  opacity: 0.92;
}

/* Dropdown panels: stay light (#FFFFFF, 1px #E0E0DC border, ink text) */
.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background-color: #FFFFFF;
  border: 1px solid #E0E0DC;
  border-radius: var(--radius);
  padding: 8px 0;
  display: none;
  z-index: 60;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.nav-dropdown-menu.open {
  display: block;
}

.dropdown-item {
  display: block;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid #E0E0DC;
  transition: background-color var(--transition-timing), color var(--transition-timing);
}

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

.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--color-muted-band);
  color: var(--color-accent);
}

/* Footer: #1B3D36 band styles */
.site-footer {
  background-color: var(--color-header-band);
  color: var(--color-footer-link);
}

.footer-heading {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--color-footer-heading);
  margin-bottom: 16px;
}

.footer-link {
  color: var(--color-footer-link);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition-timing);
}

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

.footer-divider {
  border-color: var(--color-footer-divider) !important;
}

.footer-legal-text {
  color: var(--color-footer-legal);
  font-size: 13px;
  line-height: 1.6;
}

.footer-legal-link {
  color: var(--color-footer-legal);
  text-decoration: underline;
  transition: color var(--transition-timing);
}

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

.btn-footer-newsletter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  background-color: transparent;
  color: #F1EFE9;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid #F1EFE9;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-timing), color var(--transition-timing);
}

.btn-footer-newsletter:hover {
  background-color: #F1EFE9;
  color: #1B3D36;
}

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

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-ink);
  background-color: var(--color-elevated);
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius);
}

.form-control:focus {
  border-color: var(--color-accent);
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.form-control.has-error {
  border-color: var(--color-error) !important;
  background-color: #fff9f9;
}

.field-error {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-error);
  margin-top: 6px;
}

.field-error.visible {
  display: flex;
}

/* Selection Cards (Step 1 of Enquiry) */
.selection-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 18px;
  background-color: var(--color-elevated);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
}

.selection-card:hover {
  border-color: var(--color-accent);
  background-color: var(--color-page);
}

.selection-card:focus {
  outline: 2px solid var(--color-accent);
}

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

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
}

.accordion-trigger:hover {
  color: var(--color-accent);
}

.accordion-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 150ms ease-out;
}

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

.accordion-content {
  display: none;
  padding-bottom: 24px;
  color: var(--color-muted-text);
  font-size: 15px;
  line-height: 1.65;
}

.accordion-content.open {
  display: block;
}

/* --------------------------------------------------------------------------
   Network Subordinate Treatment (Brief Section 7 Rule 5)
   - Must stay visibly subordinate to YFM's own lending on every page it appears:
     sans-serif headings, muted background, outline buttons only, never a solid button.
   -------------------------------------------------------------------------- */
.network-subordinate-block {
  background-color: var(--color-muted-band);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius);
  padding: 28px;
}

.network-subordinate-block h2,
.network-subordinate-block h3,
.network-subordinate-block h4 {
  font-family: var(--font-sans) !important;
  font-weight: 600 !important;
  color: var(--color-ink);
}

.network-disclosure-panel {
  background-color: var(--color-muted-band);
  border-left: 3px solid var(--color-accent);
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-muted-text);
  margin-top: 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* --------------------------------------------------------------------------
   Mobile Drawer & Sticky Bottom Bar
   -------------------------------------------------------------------------- */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(17, 17, 17, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-timing), visibility var(--transition-timing);
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 360px;
  background-color: var(--color-page);
  border-left: 1px solid var(--color-hairline);
  z-index: 999;
  transform: translateX(100%);
  transition: transform var(--transition-timing);
  display: flex;
  flex-direction: column;
}

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

.sticky-mobile-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--color-page);
  border-top: 1px solid var(--color-hairline);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform var(--transition-timing);
}

.sticky-mobile-bar.visible {
  transform: translateY(0);
}

@media (min-width: 1024px) {
  .sticky-mobile-bar {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   Right Rail & Table of Contents Anchor Tracking
   -------------------------------------------------------------------------- */
.right-rail-sticky {
  position: sticky;
  top: 96px;
}

.rail-anchor-link {
  display: block;
  padding: 8px 12px;
  font-size: 13.5px;
  color: var(--color-muted-text);
  text-decoration: none;
  border-left: 2px solid transparent;
}

.rail-anchor-link:hover {
  color: var(--color-ink);
}

.rail-anchor-link.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  font-weight: 500;
  background-color: rgba(46, 94, 83, 0.05);
}