:root {
  --ink: #121A1B;
  --teal: #0F3D3E;
  --teal-deep: #0A2C2D;
  --lime: #C8E07A;
  --lime-deep: #A8C24E;
  --paper: #F3F5F4;
  --paper-2: #E7ECEA;
  --line: #C9D4D1;
  --muted: #4A5A5B;
  --white: #ffffff;
  --shadow: 0 18px 40px rgba(15, 61, 62, 0.12);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;
  --max: 1120px;
  --radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--teal-deep); }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
  color: var(--teal-deep);
}
h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
.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;
}
.shell { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.muted { color: var(--muted); }
.kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.6rem;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 46rem; }
.notice {
  background: #eef6d8;
  border: 1px solid var(--lime-deep);
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
}
.bound {
  background: var(--teal);
  color: var(--paper);
  padding: 1.25rem 1.4rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.bound-label { font-weight: 800; color: var(--lime); margin: 0 0 0.35rem; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.78rem; }
.bound-body { margin: 0; color: #dce7e6; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(243, 245, 244, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex; align-items: center; gap: 1rem;
  min-height: 64px;
  position: relative;
}
.brand-link { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; color: var(--teal-deep); }
.brand-link strong { font-family: var(--font-display); font-size: 1.35rem; }
.brand-link img { width: 36px; height: 36px; }
.nav-toggle {
  margin-left: auto;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius);
  font-weight: 700;
  cursor: pointer;
}
.primary-nav {
  display: none;
  position: absolute; left: 0; right: 0; top: 64px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 1rem 1rem;
  max-height: min(70vh, 520px);
  overflow: auto;
}
.primary-nav.is-open { display: block; }
.primary-nav a {
  display: block;
  padding: 0.55rem 0.4rem;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--paper-2);
  font-weight: 600;
}
.primary-nav a.is-active { color: var(--teal); }
.top-search { display: flex; gap: 0.4rem; margin-top: 0.75rem; }
.top-search input {
  flex: 1; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.55rem 0.7rem; font: inherit;
}
.top-search button, .btn {
  border: 0; border-radius: var(--radius); cursor: pointer;
  font: inherit; font-weight: 700; padding: 0.65rem 1rem;
  display: inline-flex; align-items: center; justify-content: center;
  text-decoration: none;
}
.btn-primary { background: var(--teal); color: var(--lime); }
.btn-primary:hover { background: var(--teal-deep); color: var(--lime); }
.btn-ghost { background: transparent; color: var(--teal); border: 1px solid var(--teal); }
.btn-ghost:hover { background: var(--paper-2); }
.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0; }

@media (min-width: 980px) {
  .nav-toggle { display: none; }
  .primary-nav {
    display: flex !important; position: static; background: transparent; border: 0;
    padding: 0; margin-left: auto; max-height: none; overflow: visible; gap: 0.15rem; align-items: center;
  }
  .primary-nav a {
    border: 0; padding: 0.4rem 0.55rem; font-size: 0.86rem; white-space: nowrap;
  }
  .top-search { margin: 0 0 0 0.6rem; width: 200px; }
  .top-search button { display: none; }
}

.hero {
  position: relative;
  min-height: min(88vh, 720px);
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
  background: var(--teal-deep);
}
.hero-media {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.02);
  animation: heroDrift 18s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  from { transform: scale(1.02) translate3d(0,0,0); }
  to { transform: scale(1.06) translate3d(-1.5%, -1%, 0); }
}
.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,44,45,0.25) 0%, rgba(10,44,45,0.78) 70%, rgba(10,44,45,0.92) 100%);
}
.hero-copy {
  position: relative; z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto 3.5rem;
  animation: riseIn 0.9s ease both;
}
@keyframes riseIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  margin: 0 0 0.4rem;
  color: var(--white);
  text-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.hero-line {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  max-width: 34rem;
  color: #e8f0ef;
  margin-bottom: 1.2rem;
}
.hero .btn-primary { box-shadow: 0 10px 24px rgba(0,0,0,0.25); }
.hero .btn-ghost { border-color: var(--lime); color: var(--lime); }

.section { padding: 3rem 0; }
.section-tight { padding: 1.5rem 0; }
.band-head { margin-bottom: 1.4rem; }
.band-head p { color: var(--muted); max-width: 40rem; }

.lane-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  list-style: none; padding: 0; margin: 0;
}
.lane {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.9rem;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.7rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.lane:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.lane-photo {
  width: 120px; height: 78px; object-fit: cover; border-radius: 4px;
}
.lane-body strong { display: block; color: var(--teal-deep); font-size: 1.05rem; }
.lane-body em { display: block; font-style: normal; color: var(--muted); font-size: 0.92rem; margin-top: 0.25rem; }
.lane-index {
  font-family: var(--font-display);
  color: var(--lime-deep);
  font-weight: 700;
  font-size: 0.85rem;
}
@media (min-width: 760px) {
  .lane-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1040px) {
  .lane-grid { grid-template-columns: 1fr 1fr 1fr; }
  .lane { grid-template-columns: 1fr; align-items: start; }
  .lane-photo { width: 100%; height: 140px; }
}

.page-intro { padding: 2.2rem 0 1rem; }
.pillar-hero {
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 0 1.5rem;
  box-shadow: var(--shadow);
}
.pillar-hero img { width: 100%; height: clamp(220px, 36vw, 380px); object-fit: cover; }

.prose h2 { margin-top: 1.8rem; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.4rem; }
.content-grid { display: grid; gap: 1.5rem; }
@media (min-width: 900px) {
  .content-grid { grid-template-columns: minmax(0, 1fr) 280px; align-items: start; }
}
.side .panel, .panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}
.side .panel a { display: block; margin: 0.35rem 0; }
.guide-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; }
.guide-list a {
  display: block; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem; text-decoration: none; color: inherit;
}
.guide-list a:hover { border-color: var(--teal); }
.guide-list strong { display: block; color: var(--teal-deep); }
.guide-list span { color: var(--muted); font-size: 0.95rem; }

.tool-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  margin: 1rem 0 1.5rem;
  box-shadow: var(--shadow);
}
.tool-card h2 { margin-top: 0; }
.tool-grid { display: grid; gap: 0.75rem; }
@media (min-width: 700px) {
  .tool-grid.cols-2 { grid-template-columns: 1fr 1fr; }
  .tool-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}
.field label { display: block; font-weight: 700; font-size: 0.88rem; margin-bottom: 0.3rem; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.55rem 0.7rem; font: inherit; background: var(--paper);
}
.field textarea { min-height: 90px; resize: vertical; }
.timer-face {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  color: var(--teal);
  letter-spacing: 0.04em;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  border: 1px solid var(--line); background: var(--paper-2); border-radius: 999px;
  padding: 0.3rem 0.7rem; font-size: 0.88rem; cursor: pointer;
}
.chip.is-on { background: var(--teal); color: var(--lime); border-color: var(--teal); }
.table-wrap { overflow-x: auto; }
table.data {
  width: 100%; border-collapse: collapse; background: var(--white);
}
table.data th, table.data td {
  border-bottom: 1px solid var(--line); text-align: left; padding: 0.55rem 0.45rem; vertical-align: top;
}
.pager { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin-top: 0.75rem; }
.floor-canvas {
  width: 100%; aspect-ratio: 16/10; background:
    linear-gradient(90deg, rgba(15,61,62,0.06) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(rgba(15,61,62,0.06) 1px, transparent 1px) 0 0 / 40px 40px,
    #fff;
  border: 1px solid var(--line); border-radius: var(--radius); position: relative; touch-action: none;
}
.floor-desk {
  position: absolute; width: 44px; height: 28px; background: var(--teal); color: var(--lime);
  font-size: 0.7rem; font-weight: 700; display: grid; place-items: center;
  border-radius: 3px; cursor: grab; user-select: none;
}
.ad-slot { margin: 1.2rem 0; }
.footer {
  background: var(--teal-deep); color: #d7e3e2; padding: 2.5rem 0 1.5rem; margin-top: 2rem;
}
.footer a { color: var(--lime); text-decoration: none; display: block; margin: 0.25rem 0; }
.footer h2 { color: var(--white); font-size: 1rem; margin-bottom: 0.6rem; }
.footer-grid {
  display: grid; gap: 1.4rem;
  grid-template-columns: 1fr;
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.footer-copy { margin-top: 1.5rem; font-size: 0.88rem; color: #9fb0af; }
.site-warn {
  background: var(--teal);
  color: var(--lime);
  font-size: 0.88rem;
  padding: 0.45rem 0;
  text-align: center;
  border-bottom: 1px solid rgba(200,224,122,0.25);
}
.site-warn strong { color: #fff; }
.start-grid { display: grid; gap: 1rem; }
@media (min-width: 800px) { .start-grid { grid-template-columns: 1fr 1fr; } }
.start-list { padding-left: 1.1rem; }
.faq-item { margin-bottom: 1.2rem; }
.glossary-term { margin-bottom: 1rem; padding-bottom: 0.8rem; border-bottom: 1px solid var(--line); }

@media print {
  .topbar, .site-warn, .footer, .ad-slot, .no-print, .nav-toggle { display: none !important; }
  body { background: #fff; }
  .tool-card { box-shadow: none; }
}