/* ==========================================================================
   Variables (Google Material Navy Theme)
   ========================================================================== */
:root {
  /* Colors - Navy Theme */
  --color-navy-900: #051024;
  --color-navy-800: #0A1F44; /* Primary Brand Color */
  --color-navy-700: #153266;
  --color-navy-600: #1c4488;
  --color-navy-100: #e6ebf4;

  /* Colors - Google Material Grays */
  --color-gray-900: #202124; /* Primary Text */
  --color-gray-700: #3c4043;
  --color-gray-600: #5f6368; /* Secondary Text */
  --color-gray-300: #dadce0; /* Borders */
  --color-gray-100: #f1f3f4; /* Subtle Backgrounds */
  --color-gray-50:  #f8f9fa; /* Surface Backgrounds */
  --color-white:    #ffffff;

  /* Colors - System & Status */
  --color-blue:     #1a73e8; /* Google Blue for links/actions */
  --color-blue-light: #e8f0fe;
  --color-success:  #188038;
  --color-error:    #d93025;
  --color-warning:  #f29900;

  /* Typography - matches dashboard.php's --tts-font-family. Google Sans is
     self-hosted via public/css/fonts.css (@font-face, loaded before this
     file on every template); remaining names are system fallbacks. */
  --font-brand: "Google Sans", Livvic, Ubuntu, Tahoma, Roboto, "Segoe UI",
                -apple-system, BlinkMacSystemFont, Inter, sans-serif;
  --font-body: "Google Sans", Livvic, Ubuntu, Tahoma, Roboto, "Segoe UI",
               -apple-system, BlinkMacSystemFont, Inter, sans-serif;

  /* Shadows (Material Elevation) */
  --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
  --shadow-md: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
  --shadow-lg: 0 4px 6px 0 rgba(60,64,67,0.3), 0 8px 24px 6px rgba(60,64,67,0.15);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-8: 4rem;

  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
  --border-standard: 1px solid var(--color-gray-300);

  /* Transitions */
  --transition-standard: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: var(--font-body);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-brand);
  color: var(--color-gray-900);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.5px; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; font-weight: 700; }
h5 { font-size: 1rem; font-weight: 700; }

p {
  color: var(--color-gray-600);
  margin-bottom: var(--space-3);
}

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--transition-standard);
}

a:hover {
  color: var(--color-navy-800);
  text-decoration: underline;
}

strong, b {
  font-weight: 700;
  color: var(--color-gray-900);
}

/* ==========================================================================
   Layout & Grid
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-8) 0;
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-cols-2, .grid-cols-3, .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-bg {
  background: linear-gradient(rgba(10, 31, 68, 0.88), rgba(10, 31, 68, 0.94)), var(--hero-image, none) center/cover no-repeat;
  background-color: var(--color-navy-900);
  color: var(--color-white);
  padding: var(--space-8) 0;
  min-height: 78vh;
  display: flex;
  align-items: center;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 24px;
  font-family: var(--font-brand);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-standard);
}

.btn:hover {
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--color-navy-800);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-navy-700);
  box-shadow: var(--shadow-sm);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-navy-800);
  border: var(--border-standard);
}

.btn-secondary:hover {
  background-color: var(--color-gray-50);
  box-shadow: var(--shadow-sm);
}

.btn-text {
  background-color: transparent;
  color: var(--color-blue);
  padding: 10px 16px;
}

.btn-text:hover {
  background-color: var(--color-blue-light);
  text-decoration: none;
}

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

.btn-outline-white:hover {
  background-color: rgba(255,255,255,0.1);
  color: var(--color-white) !important;
  text-decoration: none;
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card, .md-card {
  background: var(--color-white);
  border: var(--border-standard);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: none;
  overflow: hidden;
  transition: box-shadow var(--transition-standard), transform var(--transition-standard);
}

.card-hover:hover, .md-card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  border-bottom: var(--border-standard);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
}

.card-navy {
  background-color: var(--color-navy-800);
  border-color: var(--color-navy-800);
  color: var(--color-white);
}

.card-navy h1, .card-navy h2, .card-navy h3, .card-navy h4 {
  color: var(--color-white);
}

.md-surface {
  background-color: var(--color-gray-50);
}

/* ==========================================================================
   Icon Badges
   ========================================================================== */
.icon-badge {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background-color: var(--color-blue-light);
  color: var(--color-navy-800);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-badge-navy {
  background-color: var(--color-navy-800);
  color: var(--color-white);
}

.icon-badge-sm {
  width: 2.25rem;
  height: 2.25rem;
}

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-family: var(--font-brand);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: var(--border-standard);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-standard), box-shadow var(--transition-standard);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 2px var(--color-blue-light);
}

.form-control::placeholder {
  color: var(--color-gray-600);
}

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

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.form-check-input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-navy-800);
  cursor: pointer;
}

/* ==========================================================================
   Tables
   ========================================================================== */
.table-responsive {
  overflow-x: auto;
  border: var(--border-standard);
  border-radius: var(--radius-lg);
}

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

.table th,
.table td {
  padding: 16px;
  border-bottom: var(--border-standard);
}

.table th {
  background-color: var(--color-gray-50);
  font-family: var(--font-brand);
  font-weight: 500;
  color: var(--color-gray-700);
}

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

.table-hover tr:hover td {
  background-color: var(--color-gray-50);
}

/* ==========================================================================
   Badges & Alerts
   ========================================================================== */
.badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-navy {
  background-color: var(--color-navy-100);
  color: var(--color-navy-800);
}

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

.badge-success {
  background-color: #e6f4ea;
  color: var(--color-success);
}

.alert {
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.alert-info {
  background-color: var(--color-blue-light);
  color: var(--color-navy-800);
  border: 1px solid #d2e3fc;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: var(--border-standard);
  padding: 12px var(--space-4);
}

.navbar-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.nav-brand {
  font-family: var(--font-brand);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-gray-900);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-links {
  display: none;
  gap: var(--space-5);
  align-items: center;
}

.nav-links a {
  color: var(--color-gray-600);
  font-weight: 500;
  font-size: 15px;
}

.nav-links a:hover {
  color: var(--color-navy-800);
  text-decoration: none;
}

@media (min-width: 900px) {
  .nav-links { display: flex; }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-mobile-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: var(--border-standard);
  background: var(--color-white);
  color: var(--color-gray-900);
  cursor: pointer;
}

@media (min-width: 900px) {
  .nav-mobile-toggle { display: none; }
}

.nav-mobile-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: var(--border-standard);
  box-shadow: var(--shadow-md);
  padding: var(--space-3) var(--space-4) var(--space-4);
}

@media (min-width: 900px) {
  .nav-mobile-panel { display: none !important; }
}

.nav-mobile-panel a {
  display: block;
  padding: 12px 4px;
  color: var(--color-gray-900);
  font-weight: 500;
  border-bottom: var(--border-standard);
}

.nav-mobile-panel a:last-child {
  border-bottom: none;
}

.hidden {
  display: none !important;
}

.nav-demo-btn {
  display: none;
}

@media (min-width: 640px) {
  .nav-demo-btn { display: inline-flex; }
}

.contact-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  align-items: center;
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--color-navy-900);
  border-top: var(--border-standard);
  padding: var(--space-6) var(--space-4) var(--space-4);
  color: rgba(255,255,255,0.7);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  max-width: 1200px;
  margin: 0 auto var(--space-6);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer h4 {
  font-size: 12px;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-3);
}

.footer p {
  color: rgba(255,255,255,0.6);
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: var(--space-2);
}

.footer ul li a {
  color: rgba(255,255,255,0.7);
}

.footer ul li a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 12px;
  max-width: 1200px;
  margin: 0 auto;
  color: rgba(255,255,255,0.55);
}

/* ==========================================================================
   Legal, Long-form Content & Prose (Privacy, Terms, Blog Posts)
   ========================================================================== */
.prose {
  max-width: 800px;
  margin: 0 auto;
  color: var(--color-gray-700);
  font-size: 16px;
  line-height: 1.8;
}

.prose h1, .prose h2, .prose h3 {
  color: var(--color-navy-800);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.prose h1:first-child {
  margin-top: 0;
}

.prose p {
  margin-bottom: var(--space-4);
}

.prose ul, .prose ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-5);
}

.prose li {
  margin-bottom: var(--space-2);
}

.prose ul li {
  list-style-type: disc;
}

.prose ol li {
  list-style-type: decimal;
}

.prose a {
  text-decoration: underline;
  color: var(--color-blue);
}

.prose a:hover {
  color: var(--color-navy-800);
}

.prose strong {
  color: var(--color-gray-900);
}

/* ==========================================================================
   Utilities & Animations
   ========================================================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-navy { color: var(--color-navy-800); }
.bg-navy { background-color: var(--color-navy-800); color: var(--color-white); }
.bg-light { background-color: var(--color-gray-50); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }