/* ==========================================================================
   IMMIGRATION ADVISORS - COMPREHENSIVE DESIGN SYSTEM & STYLESHEET
   Style: Minimalist, Clean, Trustworthy & Accessible (WCAG AA)
   Color Palette: Charcoal (#222831), Gunmetal (#393E46), Warm Khaki (#948979), Sand (#DFD0B8)
   Typography: Inter (Headlines 600/700, Body 300/400)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Theme Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Default: Dark Theme */
  --bg-primary: #222831;
  --bg-secondary: #393E46;
  --bg-tertiary: #2d333b;
  --bg-glass: rgba(34, 40, 49, 0.82);
  --bg-card-glass: rgba(57, 62, 70, 0.65);
  --bg-card-hover: rgba(71, 78, 89, 0.85);
  --bg-input: rgba(34, 40, 49, 0.9);

  --text-primary: #F9FAFB;
  --text-secondary: #D1D5DB;
  --text-muted: #948979;
  --text-inverted: #222831;

  --accent-khaki: #948979;
  --accent-sand: #DFD0B8;
  --accent-sand-light: #F4EEDB;
  --accent-gunmetal: #393E46;
  --accent-charcoal: #222831;

  --border-subtle: rgba(223, 208, 184, 0.18);
  --border-focus: #DFD0B8;
  --border-strong: rgba(223, 208, 184, 0.35);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #F7F5F0;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #EFEAE1;
  --bg-glass: rgba(247, 245, 240, 0.88);
  --bg-card-glass: rgba(255, 255, 255, 0.82);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-input: #FFFFFF;

  --text-primary: #1A1F26;
  --text-secondary: #4B5563;
  --text-muted: #736959;
  --text-inverted: #F9FAFB;

  --accent-khaki: #7A6F60;
  --accent-sand: #393E46;
  --accent-sand-light: #222831;
  --accent-gunmetal: #DFD0B8;
  --accent-charcoal: #DFD0B8;

  --border-subtle: rgba(57, 62, 70, 0.12);
  --border-focus: #393E46;
  --border-strong: rgba(57, 62, 70, 0.28);

  --shadow-sm: 0 2px 8px rgba(34, 40, 49, 0.06);
  --shadow-md: 0 8px 24px rgba(34, 40, 49, 0.09);
  --shadow-lg: 0 16px 40px rgba(34, 40, 49, 0.12);
  --shadow-glass: 0 8px 32px 0 rgba(34, 40, 49, 0.08);
}

/* --------------------------------------------------------------------------
   2. Global Resets & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 0;
  line-height: 1.65;
  font-weight: 300;
  /* Inter Light for body */
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

/* Typography Hierarchy */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-primary);
  font-family: var(--font-family);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
}

h4 {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
}

p {
  color: var(--text-secondary);
  font-weight: 300;
}

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

/* Focus Outline for Accessibility (WCAG) */
:focus-visible {
  outline: 2px solid var(--accent-sand);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   3. Glassmorphism Utilities
   -------------------------------------------------------------------------- */
.glass-nav {
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}

.glass-panel {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  box-shadow: var(--shadow-glass);
  transition: transform var(--transition-normal), border-color var(--transition-normal), background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.glass-card-interactive {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  transition: all var(--transition-normal);
}

.glass-card-interactive:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.glass-hero-badge {
  background: rgba(223, 208, 184, 0.12);
  border: 1px solid rgba(223, 208, 184, 0.28);
  backdrop-filter: blur(8px);
}

/* --------------------------------------------------------------------------
   4. Video Hero & Background Layers
   -------------------------------------------------------------------------- */
.hero-video-container {
  position: relative;
  width: 100%;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #1b3a6871;
}

.hero-video-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 1;
  opacity: 0.48;
}

.hero-overlay-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(34, 40, 49, 0.75) 0%,
      rgba(34, 40, 49, 0.55) 50%,
      rgba(34, 40, 49, 0.88) 100%);
  z-index: 2;
  pointer-events: none;
}

[data-theme="light"] .hero-overlay-gradient {
  background: linear-gradient(180deg,
      rgba(247, 245, 240, 0.88) 0%,
      rgba(247, 245, 240, 0.72) 50%,
      rgba(247, 245, 240, 0.98) 100%);
}

.hero-content {
  position: relative;
  z-index: 3;
}

/* Page Hero Backgrounds */
.page-hero-container {
  position: relative;
  width: 100%;
  padding-top: 7.5rem;
  padding-bottom: 3.5rem;
  overflow: hidden;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2.5rem;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.42;
  filter: saturate(0.85);
  transition: opacity var(--transition-normal);
}

[data-theme="light"] .page-hero-bg {
  opacity: 0.12;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(34, 40, 49, 0.7) 0%,
      rgba(34, 40, 49, 0.88) 60%,
      var(--bg-primary) 100%);
  z-index: 2;
  pointer-events: none;
}

[data-theme="light"] .page-hero-overlay {
  background: linear-gradient(180deg,
      rgba(247, 245, 240, 0.75) 0%,
      rgba(247, 245, 240, 0.92) 60%,
      var(--bg-primary) 100%);
}

.card-img-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 8px 8px 0 0;
}

.card-img-wrapper img {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card-interactive:hover .card-img-wrapper img {
  transform: scale(1.05);
}

/* --------------------------------------------------------------------------
   5. Parallax Architecture
   -------------------------------------------------------------------------- */
.parallax-container {
  position: relative;
  overflow: hidden;
}

.parallax-layer {
  transition: transform 0.3s cubic-bezier(0.1, 0, 0.2, 1);
  will-change: transform;
}

.parallax-bg-accent {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.25;
  z-index: 0;
}

/* --------------------------------------------------------------------------
   6. Custom Buttons & Interactive UI
   -------------------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--accent-sand);
  color: #222831;
  font-weight: 600;
  padding: 0.8rem 1.75rem;
  border-radius: 8px;
  border: 1px solid var(--accent-sand);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--accent-sand-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(223, 208, 184, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--text-primary);
  font-weight: 500;
  padding: 0.8rem 1.75rem;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-sand);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   7. Alternating Left-Right Section Layout
   -------------------------------------------------------------------------- */
.alternating-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .alternating-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4.5rem;
  }

  .alternating-reverse .alternating-media {
    order: 1;
  }

  .alternating-reverse .alternating-text {
    order: 2;
  }
}

/* --------------------------------------------------------------------------
   8. Form Controls & Validation States
   -------------------------------------------------------------------------- */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background-color: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: 300;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-sand);
  outline: none;
  box-shadow: 0 0 0 3px rgba(223, 208, 184, 0.75), 4px 6px 12px -1px rgba(0, 0, 0, 0.24);
}

.form-input.is-invalid,
.form-textarea.is-invalid,
.form-select.is-invalid {
  border-color: #bb1a5d;
  box-shadow: 0 1px 1px 3px rgba(115, 10, 56, 0.513);
}

.form-error-msg {
  color: #a40c51;
  font-size: 0.8rem;
  margin-top: 0.35rem;
  display: none;
}

.form-error-msg.visible {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* --------------------------------------------------------------------------
   9. Accordion Component
   -------------------------------------------------------------------------- */

.faq-item {
  border: 2px outset var(--border-subtle);
  border-radius: 12px;
  background: var(--bg-card-glass);
  margin-bottom: 2.5rem;
  margin-top: 2.5rem;
  overflow: hidden;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.faq-header {
  width: 100%;
  padding: 1.75rem 1.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.05rem;
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  transition: transform var(--transition-normal);
  color: var(--accent-khaki);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--accent-sand);
}

.faq-item:active {
  box-shadow: 2px 4px 4px rgba(0, 0, 0, 0.75), 6px 12px 14px rgba(0, 0, 0, 0.3);
}

.faq-item:hover {
  filter: brightness(1.1)saturate(1.2);
  transition-duration: .7s;
  transform: scale(0.999);
}

.faq-item:not(:hover) {
  filter: brightness(1)saturate(1);
  transition-duration: .7s;
  transform: scale(1);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-slow);
  padding: 1rem 1.85rem;
  font-size: 1em;
  line-height: 1.2em;
  margin-bottom: 1rem;
}

.faq-item.active .faq-body {
  padding: 1.5rem 1.5rem 1.5rem 1.5rem;
}

/* --------------------------------------------------------------------------
   10. Toast Notification System
   -------------------------------------------------------------------------- */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0.85rem 1.25rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   11. Live Search Modal
   -------------------------------------------------------------------------- */
.search-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 22, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.search-modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.search-modal-card {
  width: 100%;
  max-width: 640px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(-20px) scale(0.98);
  transition: transform var(--transition-normal);
}

.search-modal-backdrop.open .search-modal-card {
  transform: translateY(0) scale(1);
}

/* --------------------------------------------------------------------------
   12. Custom Print Layout & Clean Handout Engine
   -------------------------------------------------------------------------- */
@media print {
  body {
    background-color: #FFFFFF !important;
    color: #111827 !important;
    font-size: 11pt;
    line-height: 1.5;
  }

  header,
  footer,
  .glass-nav,
  .no-print,
  #toast-container,
  .search-modal-backdrop,
  .hero-video-bg,
  .hero-overlay-gradient,
  .btn-primary,
  .btn-secondary,
  button {
    display: none !important;
  }

  main {
    padding: 0 !important;
    margin: 0 !important;
  }

  .print-header {
    display: block !important;
    border-bottom: 2px solid #111827;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
  }

  .glass-panel,
  .glass-card-interactive,
  .faq-item {
    background: #FFFFFF !important;
    border: 1px solid #E5E7EB !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    page-break-inside: avoid;
    margin-bottom: 1.5rem;
  }

  .faq-body {
    max-height: none !important;
    display: block !important;
    padding: 0.5rem 1rem !important;
  }

  h1,
  h2,
  h3,
  h4 {
    color: #111827 !important;
    page-break-after: avoid;
  }

  p,
  span,
  li {
    color: #374151 !important;
  }

  a {
    color: #111827 !important;
    text-decoration: underline;
  }

  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 80%;
    color: #6B7280;
  }
}

.print-header {
  display: none;
}