/* ============================================================
   GLOBAL — Reset, base typography, utility classes
   Mobile-first: smallest screen is the default.
   ============================================================ */

/* --- Box-sizing reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Ensure [hidden] always wins over display:flex/grid class rules */
[hidden] { display: none !important; }

/* --- Root --- */
html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  /* Extra bottom padding on mobile for sticky CTA bar */
  padding-bottom: var(--bottom-bar-height);
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

/* --- Images --- */
img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* --- Links --- */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover, a:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* --- Headings --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}
h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

/* --- Paragraph & text --- */
p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

strong { font-weight: var(--font-weight-bold); }
em { font-style: italic; }
small { font-size: var(--text-xs); }

/* --- Lists --- */
ul, ol { padding-left: var(--space-6); }
li { margin-bottom: var(--space-2); }

/* --- Horizontal rule --- */
hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

/* --- Forms base (font-size 16px minimum prevents iOS zoom) --- */
input, textarea, select, button {
  font-family: var(--font-base);
  font-size: max(16px, var(--text-base));
  line-height: var(--line-height-normal);
}

input, textarea, select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

/* Restore native rendering for checkboxes and radio buttons */
input[type="checkbox"],
input[type="radio"] {
  appearance: auto;
  -webkit-appearance: auto;
  width: auto;
  padding: 0;
  border: none;
  border-radius: 0;
  background: none;
  cursor: pointer;
}

input:not([type="checkbox"]):not([type="radio"]):focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(27, 94, 158, 0.15);
}

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

label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #1A1A2E;
  border-color: var(--color-accent);
}
.btn-accent:hover, .btn-accent:focus-visible {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #1A1A2E;
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  text-decoration: none;
}

.btn-outline-white {
  background-color: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.btn-outline-white:hover, .btn-outline-white:focus-visible {
  background-color: rgba(255,255,255,0.15);
  color: #fff;
  border-color: #fff;
  text-decoration: none;
}

.btn-sm {
  min-height: 40px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  min-height: 56px;
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* Full-width button (default on mobile) */
.btn-full { width: 100%; }

/* Auto-width on tablet and above */
@media (min-width: 480px) {
  .btn-full-mobile {
    width: auto;
  }
}

/* --- Section layout --- */
.section {
  padding: var(--section-padding-y) var(--section-padding-x);
}

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

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

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

.section-dark h1, .section-dark h2, .section-dark h3,
.section-dark h4, .section-dark h5, .section-dark h6 {
  color: var(--color-text-inverse);
}

.section-primary h1, .section-primary h2, .section-primary h3 {
  color: var(--color-text-inverse);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--section-padding-x);
  padding-right: var(--section-padding-x);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* --- Section header --- */
.section-header {
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}

/* --- Grids --- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

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

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

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Cards --- */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

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

.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.card-link:hover { text-decoration: none; color: inherit; }

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-accent {
  background-color: rgba(245, 166, 35, 0.15);
  color: var(--color-accent-dark);
}

/* --- Eyebrow label (above headings) --- */
.eyebrow {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-dark .eyebrow {
  color: var(--color-accent);
}

/* --- Divider --- */
.divider {
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  margin: var(--space-4) auto 0;
}

.divider-left {
  margin-left: 0;
}

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

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  min-height: 56px;
  padding: var(--space-4) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  -webkit-tap-highlight-color: transparent;
}

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

.accordion-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: transform var(--transition-normal);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-slow) ease;
}

.accordion-panel.is-open {
  max-height: 800px;
}

.accordion-content {
  padding-bottom: var(--space-5);
  color: var(--color-text-muted);
  line-height: var(--line-height-loose);
}

/* --- Alert / Notice --- */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.alert-success {
  background-color: #F0FDF4;
  border-color: var(--color-success);
  color: #166534;
}

.alert-error {
  background-color: #FEF2F2;
  border-color: var(--color-error);
  color: #991B1B;
}

/* --- Text helpers --- */
.text-center  { text-align: center; }
.text-muted   { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }
.text-accent  { color: var(--color-accent); }
.text-white   { color: #fff; }
.text-sm      { font-size: var(--text-sm); }
.text-lg      { font-size: var(--text-lg); }
.text-bold    { font-weight: var(--font-weight-bold); }

/* --- Visibility helpers --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* --- Page hero (inner pages) --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff;
  padding: clamp(3rem, 8vw, 6rem) var(--section-padding-x) clamp(2.5rem, 6vw, 5rem);
  text-align: center;
}

.page-hero h1 { color: #fff; margin-bottom: var(--space-4); }
.page-hero p  { font-size: var(--text-lg); opacity: 0.9; max-width: 60ch; margin: 0 auto; }

/* --- Loading state --- */
.loading-placeholder {
  background: linear-gradient(90deg, var(--color-border) 25%, #fff 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
  min-height: 1.2em;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- Content skeleton (data-content-key elements before API loads) --- */
.ck-loading {
  color: transparent !important;
  /* High-contrast shimmer: dark gray → light blue-white → dark gray */
  background: linear-gradient(90deg, #b8c7d6 25%, #e8f0f8 55%, #b8c7d6 75%) !important;
  background-size: 200% 100% !important;
  animation: shimmer 1.5s infinite !important;
  border-radius: var(--radius-sm) !important;
  min-height: 1em;
  display: inline-block;
  pointer-events: none;
  user-select: none;
}
.ck-loading * {
  color: transparent !important;
  visibility: hidden;
}
/* Wider shimmer for block-level headings and paragraphs */
h1.ck-loading, h2.ck-loading, h3.ck-loading, h4.ck-loading { display: block; width: 60%; }
p.ck-loading  { display: block; width: 85%; }
/* Dark section variant — white shimmer over dark backgrounds */
.hero .ck-loading,
.section-dark .ck-loading,
.section-primary .ck-loading {
  background: linear-gradient(90deg, rgba(255,255,255,0.08) 25%, rgba(255,255,255,0.22) 55%, rgba(255,255,255,0.08) 75%) !important;
  background-size: 200% 100% !important;
}
/* Fade in when content is ready */
.ck-loaded {
  animation: ck-fade-in 0.3s ease forwards;
}
@keyframes ck-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* --- Toast notification --- */
.toast {
  position: fixed;
  bottom: calc(var(--bottom-bar-height) + var(--space-4));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-text);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  z-index: var(--z-toast);
  opacity: 0;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  pointer-events: none;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.toast-success { background: var(--color-success); }
.toast.toast-error   { background: var(--color-error); }

@media (min-width: 768px) {
  .toast {
    bottom: var(--space-6);
  }
}