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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--pmc-black);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(240, 235, 230, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
  position: relative;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.nav-brand img {
  width: 108px;
  height: auto;
}

.nav-brand-text {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.35;
}

.nav-brand-text strong {
  display: block;
  color: var(--pmc-green);
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--pmc-green);
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid var(--pmc-green);
  color: var(--pmc-green) !important;
  letter-spacing: 0.12em;
}

.nav-cta:hover {
  background: var(--pmc-green);
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--pmc-black);
}

.page {
  padding-bottom: 80px;
}

.page-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 90% 10%, rgba(9, 64, 58, 0.05), transparent 40%),
    linear-gradient(180deg, var(--bg-light) 0%, var(--bg) 100%);
}

.eyebrow {
  margin: 0 0 18px;
  font-size: var(--font-size-label);
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--pmc-green);
}

.page-hero h1,
.section h2 {
  margin: 0 0 18px;
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.page-hero h1 {
  font-size: var(--font-size-h1);
  max-width: 820px;
}

.page-hero h1 span,
.section h2 span {
  color: var(--pmc-green);
}

.lead {
  margin: 0;
  max-width: 620px;
  font-size: var(--font-size-lead);
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  border: 1px solid var(--pmc-green);
  background: transparent;
  color: var(--pmc-green);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  background: var(--pmc-green);
  color: var(--white);
}

.btn-solid {
  background: var(--pmc-green);
  color: var(--white);
}

.btn-solid:hover {
  background: var(--pmc-green-dark);
  border-color: var(--pmc-green-dark);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--pmc-black);
}

.btn-ghost:hover {
  border-color: var(--pmc-green);
  background: transparent;
  color: var(--pmc-green);
}

.section {
  padding: 72px 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section h2 {
  font-size: var(--font-size-h2);
  max-width: 700px;
}

.section-intro {
  margin: 0 0 40px;
  max-width: 560px;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  min-height: 180px;
}

.feature .num {
  display: block;
  margin-bottom: 18px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pmc-green);
}

.feature h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.feature p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.stat {
  padding: 36px 28px;
  background: var(--surface);
}

.stat strong {
  display: block;
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.04em;
  color: var(--pmc-green);
  margin-bottom: 8px;
}

.stat span {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.partner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding: 28px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.partner p {
  margin: 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 15px;
}

.partner-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pmc-green);
  margin-bottom: 8px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  padding: 32px;
  min-height: 260px;
  background: var(--surface);
  border: 1px solid var(--line);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.tool-card:hover {
  border-color: rgba(9, 64, 58, 0.28);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(9, 64, 58, 0.06);
}

.tool-card h3 {
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.tool-card p {
  margin: 0;
  flex: 1;
  font-size: 14px;
  color: var(--muted);
}

.tool-card .path-cta {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pmc-green);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 36px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pmc-green);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  outline: none;
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--pmc-green);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.form-note-lead {
  margin: 0 0 18px;
  color: var(--pmc-black);
}

.form-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.form-demo-status {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--pmc-black);
}

.form-demo-status.is-visible {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--bg-light);
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: start;
}

.side-card {
  padding: 28px;
  background: var(--bg-deep);
  border: 1px solid var(--line);
}

.side-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 500;
}

.side-card p,
.side-card li {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.side-card ul {
  margin: 0;
  padding-left: 18px;
}

.side-card li + li {
  margin-top: 8px;
}

.booking-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.35fr;
  gap: 28px;
  align-items: start;
}

.booking-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}

.booking-panel-head {
  padding: 28px 28px 8px;
}

.booking-panel-head h2 {
  margin: 0;
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--pmc-green-dark);
}

.booking-frame-wrap {
  position: relative;
  width: 100%;
  min-height: 900px;
  background:
    linear-gradient(180deg, var(--surface) 0%, var(--bg-light) 100%);
}

.booking-frame {
  display: block;
  width: 100%;
  min-height: 900px;
  height: 900px;
  border: 0;
  background: transparent;
}

.booking-fallback {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.booking-fallback a {
  display: inline;
  color: var(--pmc-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.wiki-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 20px;
  align-items: stretch;
  height: min(680px, calc(100vh - 280px));
  min-height: 520px;
}

.wiki-sidebar,
.wiki-main {
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
}

.wiki-sidebar-head,
.wiki-main-head {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pmc-green);
}

.upload-wrap {
  position: relative;
}

.upload-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.upload-zone {
  display: block;
  margin: 16px;
  padding: 28px 18px;
  border: 1px dashed var(--line);
  background: var(--bg-light);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.upload-wrap:focus-within .upload-zone {
  border-color: var(--pmc-green);
  background: var(--pmc-green-soft);
  outline: 2px solid var(--pmc-green);
  outline-offset: 3px;
}

.upload-zone:hover,
.upload-zone.is-dragover {
  border-color: var(--pmc-green);
  background: var(--pmc-green-soft);
}

.upload-zone strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
}

.upload-zone p {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.upload-demo-note,
.doc-local-note {
  margin: 0 16px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.upload-feedback {
  margin: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--pmc-black);
}

.upload-feedback:not(:empty) {
  margin: 0 16px 12px;
  padding: 12px 14px;
  border: 1px solid var(--pmc-green);
  background: var(--bg-light);
}

.doc-list {
  list-style: none;
  margin: 0;
  padding: 0 0 12px;
  overflow: auto;
  flex: 1;
}

.doc-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.doc-list .doc-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.doc-list .doc-meta {
  color: var(--muted);
  font-size: 11px;
  flex-shrink: 0;
}

.doc-empty {
  padding: 24px 16px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

.chat {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.bubble {
  max-width: 85%;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.65;
}

.bubble-bot {
  align-self: flex-start;
  background: var(--bg);
  border: 1px solid var(--line);
}

.bubble-user {
  align-self: flex-end;
  background: var(--pmc-green);
  color: var(--white);
}

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 24px 16px;
  flex-shrink: 0;
}

.chip {
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.chip:hover {
  border-color: var(--pmc-green);
  color: var(--pmc-green);
}

.chat-input {
  display: flex;
  gap: 10px;
  padding: 16px;
  border-top: 1px solid var(--line);
  flex-shrink: 0;
  background: var(--surface);
}

.chat-input input {
  flex: 1;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  outline: none;
}

.chat-input input:focus {
  border-color: var(--pmc-green);
}

.wiki-note {
  margin-top: 24px;
  padding-top: 4px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.timeline {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
  margin-left: 8px;
}

.timeline-item {
  position: relative;
  padding: 0 0 36px 28px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--pmc-green);
}

.timeline-item strong {
  display: block;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pmc-green);
  margin-bottom: 8px;
  font-weight: 500;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
  max-width: 560px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.foot a {
  color: var(--pmc-green);
}

.foot a:hover {
  color: var(--pmc-green-dark);
}

@media (max-width: 900px) {
  .shell {
    width: min(100% - 32px, 1120px);
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 14px 24px;
  }

  .nav-cta {
    margin: 8px 24px 0;
    text-align: center;
    justify-content: center;
  }

  .feature-grid,
  .tool-grid,
  .stats,
  .form-grid,
  .split,
  .booking-layout,
  .wiki-layout {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: 52px 0 40px;
  }

  .section {
    padding: 52px 0;
  }

  .wiki-layout {
    height: auto;
    min-height: 0;
  }

  .wiki-sidebar {
    height: auto;
    min-height: 220px;
    overflow: visible;
  }

  .wiki-main {
    height: 560px;
  }

  .booking-frame-wrap,
  .booking-frame {
    min-height: 820px;
    height: 820px;
  }

  .nav-brand-text {
    display: none;
  }
}