/* =========================================================
   Partner Capability Score — Skilling
   Microsoft Learn–inspired design tokens & components
   ========================================================= */

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Segoe UI Variable Text", "Segoe UI", -apple-system, BlinkMacSystemFont,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  background: var(--surface);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--accent-hover); }
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- Tokens ---------- */
:root {
  /* Brand */
  --accent: #0067B8;
  --accent-hover: #005A9E;
  --accent-soft: #E8F1FB;
  --focus: #0067B8;

  /* Neutrals */
  --text: #161616;
  --text-muted: #605E5C;
  --text-subtle: #8A8886;
  --surface: #FFFFFF;
  --surface-2: #FAF9F8;
  --surface-3: #F3F2F1;
  --border: #E1DFDD;
  --border-strong: #C8C6C4;

  /* Status */
  --success: #107C10;
  --success-soft: #DFF6DD;
  --warning: #8A6D00;
  --warning-soft: #FFF4CE;
  --info: #2B88D8;
  --info-soft: #DEECF9;
  --danger: #A4262C;
  --danger-soft: #FDE7E9;

  /* Designation colors */
  --d-business-applications: #742774;
  --d-data-ai:               #00A2AD;
  --d-infrastructure:        #0E7C42;
  --d-digital-app-innovation:#D83B01;
  --d-security:              #A4262C;
  --d-modern-work:           #2557A7;

  /* Track colors */
  --track-smb: #5C2E91;
  --track-enterprise: #0067B8;

  /* Shape & motion */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 12px;
  --shadow-1: 0 1px 2px rgba(0,0,0,.04), 0 1px 1px rgba(0,0,0,.04);
  --shadow-2: 0 2px 8px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.06);
  --shadow-3: 0 8px 24px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --motion: 160ms cubic-bezier(.2,.8,.2,1);
}

@media (prefers-reduced-motion: reduce) {
  :root { --motion: 0ms; }
  * { animation-duration: 0ms !important; transition-duration: 0ms !important; }
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--surface);
  border: 2px solid var(--accent);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus { left: 8px; }

/* ---------- Header ---------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.ms-mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  width: 26px;
  height: 26px;
  gap: 2px;
  flex: none;
}
.ms-mark span:nth-child(1) { background: #F25022; }
.ms-mark span:nth-child(2) { background: #7FBA00; }
.ms-mark span:nth-child(3) { background: #00A4EF; }
.ms-mark span:nth-child(4) { background: #FFB900; }
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-line-1 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.brand-line-2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.primary-nav {
  display: flex;
  gap: 24px;
  justify-self: center;
}
.primary-nav a {
  color: var(--text);
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--motion), color var(--motion);
}
.primary-nav a:hover {
  text-decoration: none;
  border-bottom-color: var(--accent);
  color: var(--accent);
}
.primary-nav a.is-active {
  border-bottom-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* Track toggle (segmented control) */
.track-toggle {
  display: inline-flex;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  position: relative;
}
.track-btn {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
  transition: color var(--motion), background var(--motion), box-shadow var(--motion);
}
.track-btn:hover { color: var(--text); }
.track-btn.is-active {
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow-1);
}
.track-btn[data-track="smb"].is-active { color: var(--track-smb); }
.track-btn[data-track="enterprise"].is-active { color: var(--track-enterprise); }

/* ---------- Main / footer ---------- */
.site-main {
  min-height: calc(100vh - 220px);
  outline: none;
}
.view-root {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}
.site-footer {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-meta {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
}

/* ---------- Hero (certs view) ---------- */
.hero {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
  padding: 32px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(1200px 200px at 0% 0%, rgba(0,103,184,.10), transparent 60%),
    radial-gradient(800px 200px at 100% 100%, rgba(216,59,1,.08), transparent 60%),
    linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
}
.hero h1 {
  margin: 0;
  font-family: "Segoe UI Variable Display", "Segoe UI", inherit;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}
.hero-lead {
  margin: 0;
  font-size: 16px;
  color: var(--text-muted);
  max-width: 720px;
}
.hero-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
}
.search {
  position: relative;
  flex: 1 1 320px;
  min-width: 240px;
}
.search input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 14px;
  transition: border-color var(--motion), box-shadow var(--motion);
}
.search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.search::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  width: 16px;
  height: 16px;
  transform: translateY(-50%);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23605E5C' stroke-width='1.5'><circle cx='7' cy='7' r='5'/><path d='m11 11 3 3'/></svg>");
  background-repeat: no-repeat;
  background-size: contain;
  pointer-events: none;
}

/* Filter chips */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 0;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  transition: all var(--motion);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c, var(--accent));
}
.chip.is-active .dot { background: #fff; }

/* ---------- Cert grid ---------- */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin: 32px 0 16px;
}
.section-head h2 {
  font-family: "Segoe UI Variable Display", "Segoe UI", inherit;
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}
.section-head .count {
  color: var(--text-muted);
  font-size: 13px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.cert-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform var(--motion), box-shadow var(--motion), border-color var(--motion);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  outline-offset: 4px;
}
.cert-card:hover,
.cert-card:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--border-strong);
  text-decoration: none;
}
.cert-card-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cert-level {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  background: var(--surface-3);
  padding: 2px 8px;
  border-radius: 999px;
}
.cert-level[data-level="Fundamentals"]   { background: var(--info-soft);    color: var(--info); }
.cert-level[data-level="Associate"]      { background: var(--accent-soft);  color: var(--accent); }
.cert-level[data-level="Specialty"]      { background: var(--warning-soft); color: var(--warning); }
.cert-level[data-level="Expert"]         { background: var(--danger-soft);  color: var(--danger); }
.cert-level[data-level="Applied Skills"] { background: #EFE3F4;             color: #5C2E91; }
.cert-name {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}
.cert-coverage {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.coverage-pip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--surface-3);
  color: var(--text);
  border: 1px solid var(--border);
}
.coverage-pip .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.cert-summary {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  flex: 1;
}
.cert-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.cert-cta { color: var(--accent); font-weight: 600; }
.cert-card:hover .cert-cta { text-decoration: underline; }

/* Empty state */
.empty {
  padding: 48px 24px;
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text-muted);
}

/* ---------- Designation grid ---------- */
.designation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.designation-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: transform var(--motion), box-shadow var(--motion);
}
.designation-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--c, var(--accent));
}
.designation-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); text-decoration: none; }
.designation-card h3 { margin: 8px 0 0; font-size: 18px; font-weight: 600; }
.designation-card p { margin: 0; color: var(--text-muted); font-size: 13px; flex: 1; }
.designation-card .meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* ---------- Detail page (cert / designation) ---------- */
.detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: start;
}
.detail-main { min-width: 0; }
.detail-rail { position: sticky; top: 88px; }

@media (max-width: 900px) {
  .detail { grid-template-columns: 1fr; }
  .detail-rail { position: static; }
}

.breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--text-subtle); }

.detail-title {
  font-family: "Segoe UI Variable Display", "Segoe UI", inherit;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.detail-lead {
  margin: 0 0 24px;
  color: var(--text-muted);
  font-size: 16px;
  max-width: 720px;
}
.detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--surface-3);
  color: var(--text);
  border: 1px solid var(--border);
}
.badge[data-tone="info"]    { background: var(--info-soft);    color: var(--info);   border-color: transparent; }
.badge[data-tone="success"] { background: var(--success-soft); color: var(--success);border-color: transparent; }
.badge[data-tone="warn"]    { background: var(--warning-soft); color: var(--warning);border-color: transparent; }
.badge[data-tone="danger"]  { background: var(--danger-soft);  color: var(--danger); border-color: transparent; }
.badge[data-tone="accent"]  { background: var(--accent-soft);  color: var(--accent); border-color: transparent; }

.callout {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: var(--info-soft);
  border-left: 3px solid var(--info);
  margin: 16px 0;
  font-size: 13px;
  color: #0F4F8A;
}
.callout[data-tone="warn"]    { background: var(--warning-soft); border-left-color: var(--warning); color: #5A4400; }
.callout[data-tone="success"] { background: var(--success-soft); border-left-color: var(--success); color: #084C08; }
.callout::before {
  content: "i";
  font-style: italic;
  font-weight: 700;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--info);
  color: #fff;
  display: grid;
  place-items: center;
}
.callout[data-tone="warn"]::before    { background: var(--warning); content: "!"; font-style: normal; }
.callout[data-tone="success"]::before { background: var(--success); content: "✓"; font-style: normal; }

/* Designation block on cert detail */
.des-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  background: var(--surface);
  position: relative;
}
.des-block::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--c, var(--accent));
  border-radius: var(--radius) 0 0 var(--radius);
}
.des-block-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.des-block-head h3 { margin: 0; font-size: 18px; }
.des-block-head a {
  font-size: 13px;
  font-weight: 500;
}
.points-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 8px 0;
}
.points-row .num {
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
}
.points-row .unit {
  color: var(--text-muted);
  font-size: 13px;
}
.points-rule {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

/* Step diagram */
.step-diagram {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 8px;
  margin: 16px 0;
}
.step-diagram .step {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  text-align: center;
  font-size: 12px;
  position: relative;
}
.step-diagram .step .label {
  display: block;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-size: 10px;
}
.step-diagram .step.is-current {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* Right rail */
.rail-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--surface);
  margin-bottom: 16px;
}
.rail-card h4 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
}
.rail-card ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.rail-card li { font-size: 13px; }
.rail-card li a { display: block; padding: 4px 0; color: var(--text); border-left: 2px solid transparent; padding-left: 8px; transition: border-color var(--motion), color var(--motion); }
.rail-card li a:hover { color: var(--accent); border-left-color: var(--accent); text-decoration: none; }

/* Designation page-specific */
.scorecard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 16px 0 32px;
}
.score-cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  position: relative;
  overflow: hidden;
}
.score-cell::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--c, var(--accent));
}
.score-cell .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  font-weight: 600;
}
.score-cell .num {
  font-size: 32px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.1;
  margin: 4px 0;
}
.score-cell .sub {
  font-size: 12px;
  color: var(--text-muted);
}

/* Step section on designation page */
.step-section {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 20px;
  margin-bottom: 20px;
}
.step-section h3 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 600;
}
.step-section .scoring {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.cert-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.cert-list li {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  background: var(--surface-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.cert-list li a {
  font-weight: 600;
  font-size: 13px;
  color: var(--text);
}
.cert-list li a:hover { color: var(--accent); }
.cert-list li .meta {
  font-size: 11px;
  color: var(--text-muted);
}

/* Loading + error states */
.loading,
.errorbox {
  padding: 48px;
  text-align: center;
  color: var(--text-muted);
}
.errorbox { color: var(--danger); }

/* About / static content */
.prose { max-width: 760px; }
.prose h2 { font-size: 24px; margin: 32px 0 8px; }
.prose h3 { font-size: 18px; margin: 24px 0 6px; }
.prose p, .prose li { color: var(--text); font-size: 15px; }
.prose ul { padding-left: 20px; }

/* ---------- Responsive header ---------- */
@media (max-width: 720px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    row-gap: 8px;
  }
  .primary-nav {
    grid-column: 1 / -1;
    justify-self: stretch;
    overflow-x: auto;
    gap: 16px;
  }
  .brand-line-1 { display: none; }
}