/* ==========================================================================
   C&D Recycling Policy Simulation — project website styles
   Palette: navy / teal / amber. All text colour pairs meet WCAG 2.1 AA.
   ========================================================================== */

:root {
  --navy: #0B2545;
  --navy-2: #134074;
  --navy-ink: #0F1D33;
  --teal: #0F766E;
  --teal-dark: #115E59;
  --teal-soft: #E6F4F1;
  --teal-bright: #5EEAD4;
  --amber: #F59E0B;
  --amber-soft: #FEF3C7;
  --amber-ink: #92400E;
  --ink: #1E293B;
  --muted: #475569;
  --line: #DDE3EA;
  --bg: #F6F8FA;
  --card: #FFFFFF;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 29, 51, .06), 0 6px 18px rgba(15, 29, 51, .06);
  --max: 72rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
img { max-width: 100%; height: auto; }
a { color: var(--teal); text-underline-offset: 2px; }
a:hover { color: var(--teal-dark); }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px; }

.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;
}
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 10;
  background: var(--amber); color: var(--navy); padding: .6rem 1rem; font-weight: 700;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: 20px; }

/* ---------- Header & navigation ---------- */
.site-header { background: var(--navy); color: #fff; border-bottom: 4px solid var(--amber); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem 1.5rem; flex-wrap: wrap; padding-block: .85rem;
}
.brand { display: flex; align-items: center; gap: .75rem; color: #fff; text-decoration: none; }
.brand:hover { color: #fff; }
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-name { display: block; font-weight: 700; font-size: 1.05rem; line-height: 1.2; }
.brand-sub { display: block; font-size: .8rem; color: #C9D6E8; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .2rem; }
.site-nav a {
  display: block; padding: .45rem .55rem; border-radius: 8px;
  color: #E2EAF4; text-decoration: none; font-size: .95rem; font-weight: 500; white-space: nowrap;
}
.site-nav a:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.site-nav a[aria-current="page"] {
  color: #fff; background: rgba(255, 255, 255, .1); box-shadow: inset 0 -3px 0 var(--amber);
}
@media (max-width: 1060px) {
  .site-nav { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .site-nav ul { padding-bottom: .3rem; }
}

/* ---------- Hero (home) ---------- */
.hero {
  color: #fff; padding-block: 3.25rem 3rem;
  background:
    radial-gradient(1100px 380px at 88% -12%, rgba(45, 212, 191, .20), transparent 60%),
    radial-gradient(760px 300px at -8% 112%, rgba(245, 158, 11, .16), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
}
.eyebrow {
  display: inline-block; background: var(--amber); color: var(--navy);
  font-weight: 700; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase;
  padding: .3rem .75rem; border-radius: 999px;
}
.hero h1 { font-size: clamp(1.55rem, 3.2vw, 2.35rem); line-height: 1.22; margin: 1rem 0 .9rem; max-width: 44ch; }
.hero .lead { font-size: 1.15rem; color: #DCE6F2; max-width: 62ch; margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.btn {
  display: inline-flex; align-items: center; gap: .4rem; padding: .65rem 1.1rem;
  border-radius: 10px; font-weight: 600; text-decoration: none;
}
.btn-primary { background: var(--amber); color: var(--navy); }
.btn-primary:hover { background: #FBBF24; color: var(--navy); }
.btn-ghost { border: 1.5px solid rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.facts {
  display: grid; gap: 1rem; margin: 2.2rem 0 0; padding: 0;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.fact {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 12px; padding: .9rem 1rem;
}
.fact dt { font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: var(--teal-bright); font-weight: 700; }
.fact dd { margin: .25rem 0 0; font-weight: 600; line-height: 1.4; }

/* ---------- Inner page header ---------- */
.page-hero { background: linear-gradient(160deg, var(--navy), var(--navy-2)); color: #fff; padding-block: 2.2rem 2rem; }
.kicker { color: var(--teal-bright); font-weight: 700; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.page-hero h1 { margin: .35rem 0 .4rem; font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.2; }
.page-hero p { color: #DCE6F2; max-width: 68ch; margin: 0; }

/* ---------- Sections & typography ---------- */
.section { padding-block: 2.6rem; }
.section + .section { padding-top: .4rem; }
h2 { font-size: 1.45rem; line-height: 1.3; color: var(--navy); margin: 0 0 .8rem; }
h3 { font-size: 1.1rem; line-height: 1.35; color: var(--navy); margin: 0 0 .4rem; }
.section-intro { color: var(--muted); max-width: 70ch; margin: -.3rem 0 1.3rem; }
.prose { max-width: 72ch; }
.prose p { margin: 0 0 1rem; }

/* ---------- Cards & grids ---------- */
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-wide { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem 1.3rem; box-shadow: var(--shadow);
}
.card > p { margin: .35rem 0 0; color: var(--muted); }
.card-accent { border-top: 4px solid var(--teal); }
.card-amber { border-top: 4px solid var(--amber); }
.card-navy { border-top: 4px solid var(--navy-2); }
.card .meta { font-size: .85rem; font-weight: 700; color: var(--teal-dark); text-transform: uppercase; letter-spacing: .05em; }
.card a.more { display: inline-block; margin-top: .6rem; font-weight: 600; }

.phase-num {
  display: inline-grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 50%;
  background: var(--amber); color: var(--navy); font-weight: 800; margin-bottom: .6rem;
}
.plain-list { margin: .4rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.plain-list li { margin-bottom: .3rem; }

/* ---------- Badges & callouts ---------- */
.badge {
  display: inline-block; font-size: .78rem; font-weight: 700; line-height: 1.4;
  padding: .18rem .6rem; border-radius: 999px; white-space: nowrap;
}
.badge-live { background: var(--teal-soft); color: var(--teal-dark); }
.badge-pending { background: var(--amber-soft); color: var(--amber-ink); }
.badge-planned { background: #EEF2F7; color: #334155; }

.note {
  background: var(--amber-soft); border-left: 5px solid var(--amber); border-radius: 10px;
  padding: .95rem 1.1rem; color: #5B3A06; max-width: 78ch;
}
.note p { margin: 0; }
.sponsor {
  background: #fff; border: 1px solid var(--line); border-left: 6px solid var(--teal);
  border-radius: var(--radius); padding: 1.3rem 1.4rem; box-shadow: var(--shadow);
}
.sponsor p { margin: .3rem 0 0; }

/* ---------- Tables ---------- */
.table-wrap { position: relative; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
caption { text-align: left; padding: .9rem 1rem .5rem; font-weight: 700; color: var(--navy); }
th, td { padding: .7rem 1rem; border-top: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th {
  background: #F1F5F9; color: var(--navy); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em;
}
tbody th { font-weight: 600; color: var(--ink); }
td.nowrap, th.nowrap { white-space: nowrap; }

/* Gantt chart */
.gantt { min-width: 760px; }
.gantt th.m, .gantt td.m { width: 2.3rem; padding: .6rem 0; text-align: center; }
.gantt td.m { border-left: 1px dashed #E5EAF0; }
.bar { display: block; height: .95rem; background: var(--teal); }
.bar.start { border-radius: 6px 0 0 6px; margin-left: 3px; }
.bar.end { border-radius: 0 6px 6px 0; margin-right: 3px; }
.bar.start.end { border-radius: 6px; }

/* ---------- Project page ---------- */
.abstract-layout {
  display: grid; gap: 2.2rem; align-items: start;
  grid-template-columns: minmax(0, 9fr) minmax(0, 11fr);
}
.framework {
  margin: 0; position: sticky; top: 1.5rem;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: .9rem; box-shadow: var(--shadow);
}
.framework img { display: block; width: 100%; height: auto; border-radius: 8px; }
.framework figcaption { margin-top: .75rem; font-size: .9rem; line-height: 1.5; color: var(--muted); }
.framework figcaption a { font-weight: 600; white-space: nowrap; }
@media (max-width: 980px) {
  .abstract-layout { grid-template-columns: 1fr; }
  .framework { position: static; }
}
.grid-tight { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.benefit-grid { grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); }
.benefit .benefit-lead { color: var(--teal-dark); font-weight: 700; margin: .1rem 0 .5rem; }
.benefit > p { color: var(--muted); }
.benefit .plain-list { margin-top: .6rem; }
.done-date { display: inline-block; margin-left: .35rem; font-size: .85rem; color: var(--muted); }

/* ---------- Team ---------- */
.person { display: flex; gap: 1rem; align-items: flex-start; }
.avatar {
  width: 84px; height: 84px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--navy), var(--navy-2)); color: #fff;
  font-weight: 700; font-size: 1.35rem; border: 3px solid var(--amber-soft); object-fit: cover;
}
.person h3 { margin-bottom: .1rem; }
.person p { margin: .25rem 0 0; color: var(--muted); font-size: .95rem; line-height: 1.5; }
.role {
  display: inline-block; margin-top: .25rem; font-size: .76rem; font-weight: 700; color: var(--teal-dark);
  background: var(--teal-soft); padding: .12rem .55rem; border-radius: 999px;
}

/* ---------- Meetings ---------- */
.meeting { display: grid; gap: .9rem; }
.meeting-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; }
.meeting-head h2 { margin: 0; font-size: 1.3rem; }
.meeting dl { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin: 0; }
.meeting dt { font-weight: 700; color: var(--navy); }
.meeting dd { margin: 0; color: var(--ink); }
.materials { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.materials li {
  display: flex; justify-content: space-between; align-items: center; gap: .5rem;
  border: 1px solid var(--line); border-radius: 10px; padding: .55rem .8rem; background: #FBFCFD;
}
.materials .label { font-weight: 600; }

/* ---------- News timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0 0 0 .2rem; border-left: 3px solid #CFE7E2; max-width: 75ch; }
.timeline li { position: relative; padding: 0 0 1.6rem 1.5rem; }
.timeline li::before {
  content: ""; position: absolute; left: -10px; top: .35rem; width: 17px; height: 17px; border-radius: 50%;
  background: var(--amber); border: 3px solid var(--bg);
}
.timeline time { font-size: .85rem; font-weight: 700; color: var(--teal-dark); text-transform: uppercase; letter-spacing: .04em; }
.timeline h3 { margin: .15rem 0 .25rem; }
.timeline p { margin: 0; color: var(--muted); }
.photo-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.photo-grid figure { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.photo-grid img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.photo-grid figcaption { padding: .6rem .8rem; font-size: .9rem; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-ink); color: #C9D6E8; margin-top: 3rem; font-size: .93rem; }
.footer-grid { display: grid; gap: 1.6rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); padding-block: 2.3rem 1.3rem; }
.site-footer h2 { font-size: .78rem; letter-spacing: .09em; text-transform: uppercase; color: var(--amber); margin: 0 0 .5rem; }
.site-footer p { margin: 0 0 .4rem; }
.site-footer a { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .12); padding-block: 1rem; font-size: .85rem; color: #9FB0C8; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .person { flex-direction: column; }
  .meeting dl { grid-template-columns: 1fr; }
  .meeting dd { margin-bottom: .4rem; }
}

@media print {
  .site-header, .site-nav, .actions, .skip-link { display: none; }
  .hero, .page-hero { background: none; color: var(--ink); }
  .hero .lead, .page-hero p { color: var(--ink); }
  .card, .table-wrap, .system { box-shadow: none; }
}