/* =============================================================================
   1Card Marketing CSS — Shared Design System
   Aesthetic: Refined Navy + Saffron (Bloomberg x Stripe)
   Owner: marketing pages only. Do NOT load on the authenticated dashboard.
   ============================================================================= */

/* -----------------------------------------------------------------------------
   1. Design Tokens
   ----------------------------------------------------------------------------- */
:root {
  /* Brand — Navy */
  --navy-900: #0B1A2F;
  --navy-700: #14233B;
  --navy-500: #1E3A5F;

  /* Brand — Saffron */
  --saffron-500: #E89B2C;
  --saffron-700: #C77F1F;

  /* Surface — Paper */
  --paper-50: #FDF8F0;
  --paper-100: #F4EFE4;

  /* Ink */
  --ink-900: #0B0F1A;
  --ink-700: #2C3540;
  --ink-500: #5C6573;
  --ink-300: #A6ADB8;

  /* Lines */
  --rule: rgba(11, 26, 47, 0.08);
  --rule-strong: rgba(11, 26, 47, 0.16);

  /* Semantic */
  --success: #1F8F5C;
  --danger: #C8331E;

  /* Type families */
  --font-display: "Fraunces", "Noto Serif SC", "Times New Roman", Georgia, serif;
  --font-body:    "Geist", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono:    ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Type scale — fluid via clamp() */
  --fs-display-xl: clamp(56px, 6vw + 1rem, 96px);
  --fs-display-lg: clamp(40px, 4.5vw + 1rem, 72px);
  --fs-display-md: clamp(32px, 3vw + 1rem, 56px);
  --fs-h1:         clamp(32px, 2vw + 1rem, 48px);
  --fs-h2:         clamp(24px, 1vw + 1rem, 32px);
  --fs-h3:         clamp(20px, 0.5vw + 1rem, 24px);
  --fs-body:       17px;
  --fs-body-sm:    16px;
  --fs-small:      14px;
  --fs-small-tight:13px;
  --fs-micro:      11px;

  /* Line heights */
  --lh-display:  1.04;
  --lh-heading:  1.18;
  --lh-body:     1.55;
  --lh-tight:    1.3;

  /* Tracking */
  --tracking-display: -0.02em;
  --tracking-tight:   -0.01em;
  --tracking-wide:    0.04em;
  --tracking-eyebrow: 0.12em;

  /* Spacing (4pt base) */
  --space-1:   4px;
  --space-2:   8px;
  --space-3:   12px;
  --space-4:   16px;
  --space-6:   24px;
  --space-8:   32px;
  --space-12:  48px;
  --space-16:  64px;
  --space-24:  96px;
  --space-32:  128px;

  /* Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-xl:   22px;
  --radius-full: 999px;

  /* Shadows — calibrated for navy palette (cooler, deeper) */
  --shadow-sm: 0 1px 2px rgba(11, 26, 47, 0.06), 0 1px 1px rgba(11, 26, 47, 0.04);
  --shadow-md: 0 8px 24px -8px rgba(11, 26, 47, 0.18), 0 4px 8px -4px rgba(11, 26, 47, 0.08);
  --shadow-lg: 0 24px 56px -12px rgba(11, 26, 47, 0.28), 0 8px 16px -6px rgba(11, 26, 47, 0.10);

  /* Layout */
  --container-max: 1200px;
  --container-pad: clamp(20px, 4vw, 48px);

  /* Motion */
  --ease-out: cubic-bezier(0.2, 0.7, 0.1, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 140ms;
  --dur:      220ms;
  --dur-slow: 420ms;

  /* Focus ring */
  --focus-ring: 0 0 0 3px rgba(232, 155, 44, 0.45);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ink-900);
  background: var(--paper-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";

  /* Subtle paper-grain background — SVG noise data URI, very low opacity. */
  background-image:
    radial-gradient(at 10% -10%, rgba(232, 155, 44, 0.06), transparent 40%),
    radial-gradient(at 100% 0%, rgba(30, 58, 95, 0.05), transparent 45%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.043   0 0 0 0 0.102   0 0 0 0 0.184   0 0 0 0.04 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-attachment: fixed;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}
a:hover { color: var(--saffron-700); }

p { margin: 0 0 var(--space-4); }

/* Default heading reset — utilities/components apply real type */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: var(--tracking-display);
  line-height: var(--lh-heading);
  color: var(--ink-900);
}

/* Focus reset — always visible, never default ugly */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--saffron-500);
  color: var(--navy-900);
}

/* Reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

.mk-stack > * + * { margin-top: var(--space-4); }
.mk-stack-lg > * + * { margin-top: var(--space-8); }

.mk-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-6);
}

.mk-section {
  padding-block: clamp(64px, 9vw, 128px);
  position: relative;
}

.mk-section--tight { padding-block: clamp(40px, 6vw, 80px); }
.mk-section--navy {
  background: var(--navy-900);
  color: var(--paper-50);
}
.mk-section--navy h1,
.mk-section--navy h2,
.mk-section--navy h3 { color: var(--paper-50); }

.mk-rule {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

/* -----------------------------------------------------------------------------
   4. Typography Utilities
   ----------------------------------------------------------------------------- */
.mk-display-xl,
.mk-display-lg,
.mk-display-md {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: var(--tracking-display);
  line-height: var(--lh-display);
  /* Use Fraunces optical-size axis */
  font-variation-settings: "opsz" 144;
  color: var(--ink-900);
}
.mk-display-xl { font-size: var(--fs-display-xl); }
.mk-display-lg { font-size: var(--fs-display-lg); }
.mk-display-md { font-size: var(--fs-display-md); }

.mk-h1 { font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 500; line-height: var(--lh-heading); letter-spacing: var(--tracking-display); }
.mk-h2 { font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 500; line-height: var(--lh-heading); letter-spacing: var(--tracking-tight); }
.mk-h3 { font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 500; line-height: var(--lh-heading); }

.mk-eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--saffron-700);
  display: inline-block;
  margin-bottom: var(--space-3);
}

.mk-lede {
  font-size: clamp(18px, 1.2vw + 0.5rem, 22px);
  line-height: 1.5;
  color: var(--ink-700);
  max-width: 60ch;
}

.mk-body    { font-size: var(--fs-body);    color: var(--ink-700); }
.mk-body-sm { font-size: var(--fs-body-sm); color: var(--ink-700); }
.mk-small   { font-size: var(--fs-small);   color: var(--ink-500); }
.mk-micro   { font-size: var(--fs-micro);   color: var(--ink-500); letter-spacing: var(--tracking-wide); text-transform: uppercase; }

.mk-text-navy    { color: var(--navy-900); }
.mk-text-saffron { color: var(--saffron-700); }
.mk-text-muted   { color: var(--ink-500); }

/* Editorial accent: italic Fraunces for emphasis inside displays */
.mk-display-xl em,
.mk-display-lg em,
.mk-display-md em,
.mk-h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--saffron-700);
}

/* -----------------------------------------------------------------------------
   5. Component: Button (.mk-btn)
   ----------------------------------------------------------------------------- */
.mk-btn {
  --btn-bg: var(--saffron-500);
  --btn-bg-hover: var(--saffron-700);
  --btn-fg: var(--navy-900);
  --btn-border: transparent;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--fs-body-sm);
  line-height: 1;
  letter-spacing: 0;
  padding: 14px 22px;
  min-height: 46px;
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-md);
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--dur) var(--ease-out),
    color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
  will-change: transform;
}

.mk-btn:hover { background: var(--btn-bg-hover); color: var(--btn-fg); }
.mk-btn:active { transform: translateY(1px); }
.mk-btn:disabled,
.mk-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* Variants */
.mk-btn--primary { /* default already set */ }

.mk-btn--secondary {
  --btn-bg: transparent;
  --btn-bg-hover: var(--navy-900);
  --btn-fg: var(--navy-900);
  --btn-border: var(--navy-900);
}
.mk-btn--secondary:hover { color: var(--paper-50); }

.mk-btn--ghost {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(11, 26, 47, 0.06);
  --btn-fg: var(--navy-900);
  --btn-border: transparent;
}
.mk-btn--ghost:hover { color: var(--navy-900); }

.mk-btn--on-navy {
  --btn-bg: var(--saffron-500);
  --btn-bg-hover: var(--paper-50);
  --btn-fg: var(--navy-900);
}

.mk-btn--secondary-on-navy {
  --btn-bg: transparent;
  --btn-bg-hover: var(--paper-50);
  --btn-fg: var(--paper-50);
  --btn-border: var(--paper-50);
}
.mk-btn--secondary-on-navy:hover { color: var(--navy-900); }

/* Sizes */
.mk-btn--sm { padding: 8px 14px; min-height: 34px; font-size: var(--fs-small); border-radius: var(--radius-sm); }
.mk-btn--md { /* default */ }
.mk-btn--lg { padding: 18px 28px; min-height: 56px; font-size: 17px; border-radius: var(--radius-lg); }

.mk-btn__icon { display: inline-flex; width: 18px; height: 18px; }

/* -----------------------------------------------------------------------------
   6. Component: Card (.mk-card)
   ----------------------------------------------------------------------------- */
.mk-card {
  position: relative;
  background: var(--paper-50);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition:
    transform var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
}
.mk-card:hover {
  transform: translateY(-2px);
  border-color: var(--rule-strong);
  box-shadow: var(--shadow-md);
}

.mk-card--featured {
  background: var(--navy-900);
  color: var(--paper-50);
  border-color: var(--navy-900);
}
.mk-card--featured h1,
.mk-card--featured h2,
.mk-card--featured h3 { color: var(--paper-50); }

.mk-card--bordered { background: transparent; }
.mk-card--flush { padding: 0; overflow: hidden; }

.mk-card__header { margin-bottom: var(--space-4); }
.mk-card__title  { font-family: var(--font-display); font-size: var(--fs-h3); margin: 0 0 var(--space-2); }
.mk-card__meta   { font-size: var(--fs-small); color: var(--ink-500); letter-spacing: var(--tracking-wide); text-transform: uppercase; }

/* -----------------------------------------------------------------------------
   7. Component: Badge (.mk-badge)
   ----------------------------------------------------------------------------- */
.mk-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-body);
  font-size: var(--fs-small-tight);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
  background: var(--saffron-500);
  color: var(--navy-900);
}

.mk-badge--outline {
  background: transparent;
  color: var(--navy-900);
  border: 1px solid var(--navy-500);
}

.mk-badge--soft {
  background: rgba(232, 155, 44, 0.14);
  color: var(--saffron-700);
}

.mk-badge--success {
  background: rgba(31, 143, 92, 0.14);
  color: var(--success);
}

.mk-badge--danger {
  background: rgba(200, 51, 30, 0.12);
  color: var(--danger);
}

.mk-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: currentColor;
}

/* -----------------------------------------------------------------------------
   8. Component: Input (.mk-input)
   ----------------------------------------------------------------------------- */
.mk-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-4);
}

.mk-label {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--ink-700);
}

.mk-input,
.mk-textarea,
.mk-select {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  line-height: 1.4;
  color: var(--ink-900);
  background: var(--paper-50);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  min-height: 46px;
  transition:
    border-color var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out);
}

.mk-textarea { min-height: 120px; resize: vertical; line-height: 1.5; }

.mk-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%231E3A5F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.mk-input::placeholder,
.mk-textarea::placeholder { color: var(--ink-300); }

.mk-input:hover,
.mk-textarea:hover,
.mk-select:hover { border-color: var(--navy-500); }

.mk-input:focus,
.mk-textarea:focus,
.mk-select:focus {
  outline: none;
  border-color: var(--navy-900);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.18);
  background: #ffffff;
}

.mk-input[aria-invalid="true"],
.mk-textarea[aria-invalid="true"],
.mk-select[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(200, 51, 30, 0.14);
}

.mk-help { font-size: var(--fs-small-tight); color: var(--ink-500); }
.mk-help--error { color: var(--danger); }

/* -----------------------------------------------------------------------------
   9. Component: Hero (.mk-hero) — asymmetric off-grid layout
   ----------------------------------------------------------------------------- */
.mk-hero {
  position: relative;
  padding-block: clamp(80px, 11vw, 160px);
  overflow: hidden;
}

.mk-hero__inner {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-8);
  align-items: end;
}

/* Off-grid: copy spans 7 cols offset by 0; visual spans 5 cols, offset to break the grid line. */
.mk-hero__copy {
  grid-column: 1 / span 7;
}

.mk-hero__visual {
  grid-column: 8 / span 5;
  position: relative;
  transform: translateY(-24px);
}

.mk-hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-display-xl);
  line-height: var(--lh-display);
  letter-spacing: var(--tracking-display);
  font-weight: 500;
  font-variation-settings: "opsz" 144;
  margin: 0 0 var(--space-6);
  color: var(--ink-900);
  max-width: 16ch;
}

.mk-hero__lede {
  font-size: clamp(18px, 1.2vw + 0.5rem, 22px);
  line-height: 1.5;
  color: var(--ink-700);
  max-width: 52ch;
  margin: 0 0 var(--space-8);
}

.mk-hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* Editorial saffron rule above eyebrow */
.mk-hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--saffron-500);
  margin-right: var(--space-2);
  vertical-align: middle;
}

@media (max-width: 900px) {
  .mk-hero__copy,
  .mk-hero__visual {
    grid-column: 1 / -1;
    transform: none;
  }
}

/* -----------------------------------------------------------------------------
   10. Component: Footer (.mk-footer)
   ----------------------------------------------------------------------------- */
.mk-footer {
  background: var(--navy-900);
  color: var(--ink-300);
  padding-block: var(--space-16) var(--space-8);
  margin-top: var(--space-16);
}

.mk-footer a { color: var(--paper-50); }
.mk-footer a:hover { color: var(--saffron-500); }

.mk-footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.mk-footer__brand h3 {
  color: var(--paper-50);
  font-family: var(--font-display);
  font-size: 28px;
  margin: 0 0 var(--space-3);
}

.mk-footer__col h4 {
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-300);
  margin: 0 0 var(--space-4);
}

.mk-footer__col ul { list-style: none; padding: 0; margin: 0; }
.mk-footer__col li { margin-bottom: var(--space-2); }
.mk-footer__col a { font-size: var(--fs-body-sm); }

.mk-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(253, 248, 240, 0.08);
  font-size: var(--fs-small);
}

.mk-footer__legal { display: flex; gap: var(--space-6); flex-wrap: wrap; }

@media (max-width: 900px) {
  .mk-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .mk-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .mk-footer__grid { grid-template-columns: 1fr; }
}

/* -----------------------------------------------------------------------------
   11. Language Toggle (used by templates/shared/i18n.php snippet)
   ----------------------------------------------------------------------------- */
.mk-lang {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: rgba(11, 26, 47, 0.06);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--fs-small-tight);
  font-weight: 500;
}

.mk-lang__btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  color: var(--ink-700);
  text-decoration: none;
  transition: background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
  line-height: 1;
}
.mk-lang__btn:hover { color: var(--navy-900); }
.mk-lang__btn[aria-current="true"] {
  background: var(--navy-900);
  color: var(--paper-50);
}

.mk-footer .mk-lang { background: rgba(253, 248, 240, 0.08); }
.mk-footer .mk-lang__btn { color: var(--ink-300); }
.mk-footer .mk-lang__btn:hover { color: var(--paper-50); }
.mk-footer .mk-lang__btn[aria-current="true"] { background: var(--saffron-500); color: var(--navy-900); }

/* -----------------------------------------------------------------------------
   12. Misc helpers
   ----------------------------------------------------------------------------- */
.mk-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mk-marquee { /* editorial display kicker, optional */
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--saffron-700);
  letter-spacing: var(--tracking-tight);
}

/* -----------------------------------------------------------------------------
   13. Responsive type & grid collapse < 768px
   ----------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --container-pad: 20px;
  }
  body { font-size: 16px; }
  .mk-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-4); }
  .mk-card { padding: var(--space-6); }
  .mk-section { padding-block: clamp(48px, 8vw, 80px); }
}

@media (max-width: 480px) {
  .mk-grid { grid-template-columns: 1fr; }
  .mk-btn--lg { padding: 16px 22px; min-height: 50px; font-size: 16px; }
}