:root {
  --ipm-blue: #2a38df;
  --ipm-blue-dark: #1e28b8;
  --ipm-orange: #f84400;
  --ipm-ink: #111111;
  --ipm-body: #444444;
  --ipm-muted: #6b7280;
  --ipm-line: #e6e8f2;
  --ipm-soft: #e8f0fe;
  --ipm-chip: #f1f2f8;
  --ipm-bg: #ffffff;
  --ipm-hero: #eef1fb;
  --shadow: 0 10px 30px rgba(42, 56, 223, 0.08);
  --wrap: 1180px;
  --font: Inter, system-ui, sans-serif;
  --font-ui: Poppins, Inter, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--ipm-body);
  background: var(--ipm-bg);
}

a { color: inherit; }
button, input { font: inherit; }

.utility {
  background: var(--ipm-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 32px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
}
.utility a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}
.utility a:hover { text-decoration: underline; }

.search {
  position: relative;
  flex: 1;
  max-width: 340px;
  margin-left: auto;
}
.search input {
  width: 100%;
  border: 1px solid var(--ipm-line);
  background: #f7f8fd;
  color: #54595f;
  border-radius: 999px;
  padding: 11px 16px 11px 40px;
  outline: none;
  font-family: var(--font-ui);
}
.search input:focus { border-color: var(--ipm-blue); background: #fff; }
.search svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ipm-blue);
  pointer-events: none;
}
.search-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: #fff;
  color: var(--ipm-ink);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: none;
  z-index: 40;
}
.search-panel.open { display: block; }
.search-hit {
  display: block;
  padding: 12px 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--ipm-line);
}
.search-hit:hover { background: var(--ipm-soft); }
.search-hit strong { display: block; font-size: 14px; color: var(--ipm-ink); }
.search-hit span { color: var(--ipm-muted); font-size: 12px; }

.site-header {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 32px;
  background: #fff;
  border-bottom: 1px solid var(--ipm-line);
  position: sticky;
  top: 0;
  z-index: 60;
}
.burger {
  width: 44px;
  height: 44px;
  border: 1px solid var(--ipm-line);
  background: #fff;
  border-radius: 10px;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  flex: none;
}
.burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ipm-ink);
  border-radius: 2px;
}
.burger:hover { border-color: var(--ipm-blue); }
.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex: none;
}
.brand img { height: 58px; width: auto; display: block; }
.header-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.header-copy strong {
  color: var(--ipm-ink);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.header-copy span {
  color: var(--ipm-muted);
  font-size: 12px;
  font-family: var(--font-ui);
}
.topnav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}
.topnav a {
  text-decoration: none;
  color: var(--ipm-ink);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 8px;
  white-space: nowrap;
}
.topnav a:hover,
.topnav a.active {
  background: var(--ipm-soft);
  color: var(--ipm-blue);
}

.backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.4);
  z-index: 40;
}
.backdrop.show { display: block; }

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: min(320px, 88vw);
  height: 100vh;
  background: #fff;
  border-right: 1px solid var(--ipm-line);
  padding: 0 0 40px;
  overflow: auto;
  z-index: 50;
  transform: translateX(-105%);
  transition: transform 0.22s ease;
  box-shadow: none;
}
.sidebar.open {
  transform: translateX(0);
  box-shadow: 16px 0 40px rgba(17, 17, 17, 0.12);
}
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 16px 12px;
  border-bottom: 1px solid var(--ipm-line);
  position: sticky;
  top: 0;
  background: #fff;
}
.drawer-head b {
  color: var(--ipm-ink);
  font-size: 15px;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 12px 12px 4px;
  border-bottom: 1px solid var(--ipm-line);
}
.mobile-nav a {
  text-decoration: none;
  color: var(--ipm-ink);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 15px;
  padding: 10px 12px;
  border-radius: 8px;
}
.mobile-nav a:hover { background: var(--ipm-soft); color: var(--ipm-blue); }
.drawer-close {
  width: 36px;
  height: 36px;
  border: 0;
  background: var(--ipm-chip);
  border-radius: 8px;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--ipm-ink);
}
.tree {
  padding: 12px 10px 24px;
}
.tree, .tree ul { list-style: none; margin: 0; padding: 0; }
.tree ul { padding-left: 14px; border-left: 1px solid var(--ipm-line); margin-left: 12px; }
.tree li.collapsed > ul { display: none; }
.tree a {
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border-radius: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--ipm-ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  white-space: normal;
  line-height: 1.35;
}
.tree a:hover, .tree .active {
  background: var(--ipm-soft);
  color: var(--ipm-blue);
}
.tree .count {
  margin-left: auto;
  font-size: 10px;
  background: var(--ipm-chip);
  padding: 1px 6px;
  border-radius: 99px;
  color: var(--ipm-muted);
}
.dot { width: 8px; height: 8px; border-radius: 99px; flex: none; }

.main {
  padding: 0 0 80px;
  min-height: calc(100vh - 220px);
}

.wrap,
.crumbs,
.stats,
.section-title,
.visual-tree,
.cards,
.choose,
.tiles,
.path-grid,
.filters,
.fiche {
  width: min(var(--wrap), calc(100% - 64px));
  margin-left: auto;
  margin-right: auto;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--ipm-muted);
  padding: 22px 0 0;
  margin-bottom: 16px;
}
.crumbs a { text-decoration: none; color: var(--ipm-blue); font-weight: 600; }

.hero {
  background: linear-gradient(180deg, #eef1fb 0%, #f7f8fd 55%, #fff 100%);
  color: var(--ipm-ink);
  padding: 56px 32px 28px;
}
.hero-inner {
  width: min(var(--wrap), 100%);
  margin: 0 auto;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero.domain-hero {
  background: #fff;
  padding: 28px 0 8px;
  width: min(var(--wrap), calc(100% - 64px));
  margin: 0 auto;
  border: 0;
  border-left: 8px solid var(--ipm-blue);
  padding-left: 22px;
}
.hero.domain-hero h1,
.hero.domain-hero p { color: var(--ipm-ink); }
.kicker {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--ipm-blue);
  margin: 0 0 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(36px, 5.4vw, 64px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--ipm-ink);
}
.hero p {
  margin: 0;
  max-width: 62ch;
  color: var(--ipm-body);
  font-size: 18px;
  line-height: 1.65;
}
.hero .underline {
  display: block;
  width: 240px;
  border-bottom: 1px dashed #b8bfd8;
  margin: 18px 0 0;
}
.aliases { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip {
  font-size: 13px;
  font-family: var(--font-ui);
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 99px;
  background: var(--ipm-chip);
  color: var(--ipm-ink);
}
.chip.active, a.chip:hover { background: var(--ipm-blue); color: #fff; text-decoration: none; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 8px auto 36px;
}
.stat {
  background: #fff;
  border: 1px solid var(--ipm-line);
  border-radius: 14px;
  padding: 20px 18px;
}
.stat b { display: block; font-size: 32px; color: var(--ipm-blue); font-weight: 800; letter-spacing: -0.03em; }
.stat span { color: var(--ipm-muted); font-size: 13px; }

.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 8px auto 16px;
}
.section-title h2 { margin: 0; font-size: 28px; color: var(--ipm-ink); font-weight: 800; letter-spacing: -0.03em; }
.section-title p { margin: 6px 0 0; color: var(--ipm-muted); font-size: 15px; }

.visual-tree {
  background: #fff;
  border: 1px solid var(--ipm-line);
  border-radius: 14px;
  padding: 24px;
}
.tree-root {
  margin: 0 auto 22px;
  width: fit-content;
  background: var(--ipm-blue);
  color: #fff;
  padding: 12px 22px;
  border-radius: 10px;
  text-align: center;
  font-family: var(--font-ui);
}
.tree-root small { display: block; color: #d6dbff; font-size: 11px; }
.branches {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 16px;
}
.branch {
  border: 1px solid var(--ipm-line);
  border-radius: 12px;
  padding: 16px;
  background: var(--ipm-hero);
}
.branch h3 { margin: 0 0 12px; font-size: 15px; color: var(--ipm-ink); }
.domain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.domain-card, .mba-card {
  display: block;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--ipm-line);
  border-radius: 10px;
  padding: 12px;
  font-size: 13px;
  color: var(--ipm-ink);
}
.domain-card:hover, .mba-card:hover { border-color: var(--ipm-blue); }
.domain-card b, .mba-card b { display: block; }
.domain-card span, .mba-card span { color: var(--ipm-muted); font-size: 12px; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 8px;
}
.card {
  background: #fff;
  border: 1px solid var(--ipm-line);
  border-radius: 16px;
  padding: 20px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 230px;
  color: var(--ipm-ink);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover {
  border-color: var(--ipm-blue);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.card .meta { font-size: 12px; color: var(--ipm-blue); font-weight: 600; font-family: var(--font-ui); }
.card h3 { margin: 0; font-size: 18px; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--ipm-body); font-size: 14px; line-height: 1.5; flex: 1; }

.fiche {
  background: #fff;
  border: 1px solid var(--ipm-line);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 24px;
}
.fiche-head {
  padding: 32px;
  background: var(--ipm-blue);
  color: #fff;
}
.fiche-head h1 { margin: 8px 0 10px; font-size: 32px; font-weight: 800; letter-spacing: -0.03em; }
.fiche-head p { margin: 0; color: #e4e7ff; max-width: 70ch; line-height: 1.5; }
.fiche-head .kicker { color: #fff; opacity: 0.85; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.badge {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 99px;
  padding: 4px 10px;
  font-size: 12px;
  font-family: var(--font-ui);
}
.fiche-body { padding: 24px 32px 32px; display: grid; gap: 22px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.box { background: var(--ipm-hero); border-radius: 12px; padding: 16px; }
.box h3 { margin: 0 0 10px; font-size: 14px; color: var(--ipm-ink); }
.box ul, .prose ul { margin: 0; padding-left: 18px; }
.box li, .prose li { margin: 6px 0; font-size: 14px; line-height: 1.45; }
.prose p { line-height: 1.6; color: var(--ipm-body); }

.choose {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.choose a {
  background: #fff;
  border: 1px solid var(--ipm-line);
  border-radius: 12px;
  padding: 16px;
  text-decoration: none;
  color: var(--ipm-ink);
}
.choose a:hover { border-color: var(--ipm-blue); }
.choose h3 { margin: 0 0 8px; }
.choose p { margin: 0; color: var(--ipm-body); font-size: 13px; }

.btn {
  border: 0;
  border-radius: 6px;
  padding: 12px 20px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-ui);
}
.btn-blue { background: var(--ipm-blue); color: #fff; }
.btn-blue:hover { background: var(--ipm-blue-dark); }
.btn-orange { background: var(--ipm-orange); color: #fff; }
.btn-black { background: #000; color: #fff; }
.btn-line { background: #fff; border: 1px solid var(--ipm-line); color: var(--ipm-ink); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.35); }

.chat-btn {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 0;
  background: var(--ipm-blue);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(42, 56, 223, 0.35);
  z-index: 30;
}
.chat {
  position: fixed;
  right: 22px;
  bottom: 92px;
  width: min(380px, calc(100vw - 24px));
  height: min(560px, calc(100vh - 130px));
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow);
  display: none;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  z-index: 30;
  border: 1px solid var(--ipm-line);
}
.chat.open { display: grid; }
.chat-head {
  background: var(--ipm-blue);
  color: #fff;
  padding: 14px 16px;
  font-family: var(--font-ui);
}
.chat-head b { display: block; }
.chat-head span { font-size: 12px; color: #d6dbff; }
.chat-log { overflow: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: var(--ipm-hero); }
.msg {
  max-width: 92%;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.45;
}
.msg.bot { background: #fff; border: 1px solid var(--ipm-line); }
.msg.user { background: var(--ipm-blue); color: #fff; margin-left: auto; }
.msg a { color: var(--ipm-blue); font-weight: 600; }
.msg.user a { color: #fff; }
.sugs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.sugs button {
  background: var(--ipm-chip);
  border: 0;
  border-radius: 99px;
  padding: 5px 9px;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font-ui);
}
.chat-form {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--ipm-line);
}
.chat-form input {
  flex: 1;
  border: 1px solid var(--ipm-line);
  border-radius: 8px;
  padding: 10px;
}
.chat-form button {
  background: var(--ipm-orange);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 0 14px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-weight: 600;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.tile {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--ipm-line);
  border-radius: 16px;
  text-decoration: none;
  color: var(--ipm-ink);
  min-height: 190px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.tile:hover {
  transform: translateY(-3px);
  border-color: var(--ipm-blue);
  box-shadow: var(--shadow);
}
.tile-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 22px;
  margin-bottom: 4px;
  color: #fff;
}
.tile h3 { margin: 0; font-size: 18px; }
.tile p { margin: 0; color: var(--ipm-muted); font-size: 14px; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.tile .go { color: var(--ipm-blue); font-weight: 600; font-size: 13px; font-family: var(--font-ui); }

.path-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.path-card {
  background: #fff;
  border: 1px solid var(--ipm-line);
  border-radius: 16px;
  padding: 24px;
  text-decoration: none;
  color: var(--ipm-ink);
}
.path-card:hover { border-color: var(--ipm-blue); box-shadow: var(--shadow); }
.path-card .step {
  display: inline-block;
  background: var(--ipm-soft);
  color: var(--ipm-blue);
  font-weight: 700;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 99px;
  margin-bottom: 10px;
  font-family: var(--font-ui);
}
.path-card h3 { margin: 0 0 8px; font-size: 20px; letter-spacing: -0.02em; }
.path-card p { margin: 0 0 12px; color: var(--ipm-body); font-size: 14px; line-height: 1.55; }
.path-card ul { margin: 0; padding-left: 16px; color: var(--ipm-muted); font-size: 13px; }

.card .pill {
  align-self: flex-start;
  background: var(--ipm-soft);
  color: var(--ipm-blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 99px;
  font-family: var(--font-ui);
}
.card .pill.mba { background: #fff3ee; color: var(--ipm-orange); }
.card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ipm-muted);
  border-top: 1px solid var(--ipm-line);
  padding-top: 12px;
  margin-top: 4px;
}
.card-foot .go { color: var(--ipm-blue); font-weight: 700; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 auto 18px; }
.filters a, .filters button {
  background: var(--ipm-chip);
  border: 0;
  border-radius: 99px;
  padding: 8px 14px;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  color: var(--ipm-ink);
}
.filters a.active, .filters button.active, .filters a:hover {
  background: var(--ipm-blue);
  color: #fff;
}

.tabs { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--ipm-line); padding-bottom: 8px; }
.tabs button {
  background: none;
  border: 0;
  padding: 8px 12px;
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--ipm-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tabs button.active { color: var(--ipm-blue); border-bottom-color: var(--ipm-blue); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.page-pad { padding-top: 28px; }

.site-footer {
  background: #0f0f0f;
  color: #cfcfcf;
  padding: 36px 32px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.site-footer img { height: 48px; width: auto; filter: brightness(10); }
.site-footer a { color: #fff; }
.site-footer strong { color: #fff; display: block; margin-bottom: 4px; }
.site-footer p { margin: 0 0 4px; }

@media (min-width: 1081px) {
  .burger,
  .sidebar,
  .backdrop { display: none !important; }
}

@media (max-width: 1080px) {
  .cards, .tiles { grid-template-columns: 1fr 1fr; }
  .header-copy { display: none; }
  .topnav { display: none; }
  .search { max-width: none; }
  .burger { display: inline-flex; }
  .mobile-nav { display: flex; }
  .sidebar {
    top: 0;
    width: min(360px, 92vw);
    padding-top: 0;
  }
}

@media (max-width: 860px) {
  .utility { padding: 10px 16px; font-size: 12px; }
  .site-header { padding: 10px 14px; gap: 10px; }
  .brand img { height: 44px; }
  .stats, .branches, .grid-2, .choose, .tiles, .path-grid, .cards { grid-template-columns: 1fr; }
  .domain-grid { grid-template-columns: 1fr; }
  .hero { padding: 32px 16px 20px; }
  .hero.domain-hero { width: calc(100% - 32px); }
  .wrap, .crumbs, .stats, .section-title, .visual-tree, .cards, .choose, .tiles, .path-grid, .filters, .fiche {
    width: calc(100% - 32px);
  }
  .fiche-head, .fiche-body { padding: 20px 16px; }
  .site-footer { flex-direction: column; align-items: flex-start; padding: 28px 16px; }
}