/* ============================================================
   MLabs — Great Lakes Bio-Sensing
   Design language: NOAA / GLERL / GLOS — deep navy, lake blue,
   light blue-grey ground, shoreline accents. Public Sans type.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Public+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&family=Source+Serif+4:opsz,wght@8..60,400..600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  /* ---- Great Lakes palette ------------------------------------ */
  --navy:        #0a2540;   /* deep water / header */
  --navy-2:      #0d2f52;
  --navy-3:      #12426e;
  --lake:        #1b6ec2;   /* lake blue / primary action */
  --lake-2:      #2e8bd6;
  --cyan:        #3fb6c9;   /* shallow water / accent */
  --teal:        #1a8c8c;   /* secondary accent */
  --surf:        #7fd1d6;   /* pale shallows */

  --sand:        #d8c39a;   /* dune sand */
  --sand-2:      #e7d7b5;
  --driftwood:   #8a8276;

  /* ---- Ground / surfaces (NO white) --------------------------- */
  --bg:          #eaf1f6;   /* page — light blue-grey */
  --bg-2:        #e0eaf1;   /* deeper section band */
  --bg-3:        #f1f6fa;   /* lifted panels */
  --paper:       #f7fafc;   /* card face (off-white, never pure) */
  --line:        #cdd9e3;   /* hairline */
  --line-2:      #b4c4d1;

  /* ---- Ink ---------------------------------------------------- */
  --ink:         #0c2033;
  --ink-2:       #2a4459;
  --ink-3:       #51697d;
  --ink-4:       #7f95a6;

  /* ---- Status ------------------------------------------------- */
  --ok:          #1f9d6b;
  --ok-bg:       #dcf0e6;
  --warn:        #c47b1a;
  --warn-bg:     #f7e9d2;
  --stop:        #c0392b;
  --stop-bg:     #f5dcd8;
  --watch:       #1b6ec2;
  --watch-bg:    #d9e8f7;

  /* ---- Type --------------------------------------------------- */
  --sans: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --serif:'Source Serif 4', Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  /* ---- Metrics ------------------------------------------------ */
  --wrap: 1200px;
  --wrap-wide: 1340px;
  --r: 10px;
  --r-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(10,37,64,.06), 0 1px 3px rgba(10,37,64,.08);
  --shadow:    0 4px 16px rgba(10,37,64,.10), 0 2px 6px rgba(10,37,64,.06);
  --shadow-lg: 0 18px 48px rgba(10,37,64,.18), 0 6px 18px rgba(10,37,64,.10);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; scroll-behavior:smooth; }
body{
  margin:0; font-family:var(--sans); color:var(--ink);
  background:var(--bg); font-size:17px; line-height:1.6;
  font-weight:400;
}
img,svg{ max-width:100%; display:block; }
a{ color:var(--lake); text-decoration:none; }
a:hover{ color:var(--navy-3); }

/* ---- Type scale ------------------------------------------------ */
h1,h2,h3,h4{ font-family:var(--sans); color:var(--ink); margin:0 0 .5em; line-height:1.12; letter-spacing:-.02em; font-weight:800; }
h1{ font-size:clamp(2.4rem,4.6vw,4rem); }
h2{ font-size:clamp(1.8rem,3vw,2.6rem); }
h3{ font-size:1.3rem; font-weight:700; letter-spacing:-.01em; }
h4{ font-size:1.05rem; font-weight:700; }
p{ margin:0 0 1rem; color:var(--ink-2); }
.lede{ font-size:1.22rem; line-height:1.55; color:var(--ink-2); font-weight:400; }

.eyebrow{
  font:600 .74rem/1 var(--sans); letter-spacing:.16em; text-transform:uppercase;
  color:var(--lake); display:inline-flex; align-items:center; gap:.5rem; margin-bottom:1rem;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--cyan); display:inline-block; }
.eyebrow.on-dark{ color:var(--surf); }
.eyebrow.on-dark::before{ background:var(--cyan); }

/* ---- Layout ---------------------------------------------------- */
.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 24px; }
.wrap-wide{ max-width:var(--wrap-wide); margin:0 auto; padding:0 24px; }
section{ padding:84px 0; }
.band{ background:var(--bg-2); }
.band-paper{ background:var(--bg-3); }
.band-navy{ background:var(--navy); color:#dce8f2; }
.band-navy h2,.band-navy h3{ color:#fff; }
.band-navy p{ color:#aec6db; }

.grid{ display:grid; gap:28px; }
.g2{ grid-template-columns:repeat(2,1fr); }
.g3{ grid-template-columns:repeat(3,1fr); }
.g4{ grid-template-columns:repeat(4,1fr); }
@media(max-width:920px){ .g2,.g3,.g4{ grid-template-columns:1fr; } }

/* ============================================================
   HEADER
   ============================================================ */
.topbar{ background:var(--navy); color:#9fb8cd; font-size:.78rem; letter-spacing:.02em; }
.topbar .wrap-wide{ display:flex; justify-content:space-between; align-items:center; height:34px; }
.topbar a{ color:#bcd2e4; }
.topbar .tb-right{ display:flex; gap:20px; align-items:center; }
.topbar .dot{ width:7px; height:7px; border-radius:50%; background:var(--cyan); display:inline-block; margin-right:6px; }

.masthead{ background:var(--navy-2); position:sticky; top:0; z-index:50; box-shadow:0 1px 0 rgba(255,255,255,.06), var(--shadow-sm); }
.masthead .wrap-wide{ display:flex; align-items:center; justify-content:space-between; height:74px; }
.brand{ display:flex; align-items:center; gap:13px; }
.brand-logo{ width:42px; height:42px; flex:none; }
.brand-text{ display:flex; flex-direction:column; line-height:1.05; }
.brand-text .bt-name{ font-weight:800; font-size:1.18rem; color:#fff; letter-spacing:-.01em; }
.brand-text .bt-sub{ font-size:.66rem; letter-spacing:.18em; text-transform:uppercase; color:var(--surf); font-weight:600; }
.nav{ display:flex; align-items:center; gap:4px; }
.nav a{
  color:#c3d6e6; font-weight:600; font-size:.92rem; padding:9px 15px; border-radius:8px;
  letter-spacing:.01em; transition:background .15s,color .15s;
}
.nav a:hover{ background:rgba(255,255,255,.08); color:#fff; }
.nav a.cta{ background:var(--lake); color:#fff; margin-left:8px; }
.nav a.cta:hover{ background:var(--lake-2); }
.nav-toggle{ display:none; }
@media(max-width:920px){
  .nav{ display:none; }
}

/* ============================================================
   HERO  — layered Great Lakes scene
   ============================================================ */
.hero{ position:relative; background:var(--navy); color:#fff; overflow:hidden; }
.hero-art{ position:absolute; inset:0; z-index:0; }
.hero-art svg{ width:100%; height:100%; }
.hero .wrap-wide{ position:relative; z-index:2; padding-top:96px; padding-bottom:104px; }
.hero-grid{ display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center; }
@media(max-width:980px){ .hero-grid{ grid-template-columns:1fr; gap:36px; } }
.hero h1{ color:#fff; letter-spacing:-.025em; }
.hero h1 .hl{ color:var(--surf); }
.hero .lede{ color:#c2d6e8; max-width:36ch; margin:1.2rem 0 2rem; }
.hero-badges{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:30px; }
.hero-badge{
  display:inline-flex; align-items:center; gap:7px; font-size:.78rem; font-weight:600;
  padding:6px 13px; border-radius:999px; background:rgba(127,209,214,.12);
  border:1px solid rgba(127,209,214,.32); color:var(--surf); letter-spacing:.02em;
}
.hero-card{
  background:linear-gradient(160deg, rgba(18,66,110,.92), rgba(10,37,64,.92));
  border:1px solid rgba(127,209,214,.25); border-radius:var(--r-lg);
  padding:28px; backdrop-filter:blur(6px); box-shadow:var(--shadow-lg);
}
.hero-card h4{ color:var(--surf); font-size:.8rem; letter-spacing:.12em; text-transform:uppercase; margin-bottom:18px; }
.hero-stat{ display:flex; justify-content:space-between; align-items:baseline; padding:13px 0; border-bottom:1px solid rgba(127,209,214,.15); }
.hero-stat:last-child{ border-bottom:0; }
.hero-stat .hs-k{ color:#a7c4da; font-size:.92rem; }
.hero-stat .hs-v{ color:#fff; font-weight:700; font-family:var(--mono); font-size:1.05rem; }
.hero-stat .hs-v em{ color:var(--surf); font-style:normal; font-size:.78rem; margin-left:3px; }

.btn{
  display:inline-flex; align-items:center; gap:9px; font-weight:700; font-size:.96rem;
  padding:14px 26px; border-radius:10px; cursor:pointer; transition:all .16s; border:2px solid transparent;
  letter-spacing:.01em;
}
.btn svg{ width:18px; height:18px; }
.btn-primary{ background:var(--lake); color:#fff; }
.btn-primary:hover{ background:var(--lake-2); color:#fff; transform:translateY(-1px); box-shadow:var(--shadow); }
.btn-ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.35); }
.btn-ghost:hover{ background:rgba(255,255,255,.1); color:#fff; border-color:#fff; }
.btn-dark{ background:var(--navy); color:#fff; }
.btn-dark:hover{ background:var(--navy-3); color:#fff; transform:translateY(-1px); }
.btn-group{ display:flex; gap:14px; flex-wrap:wrap; }

/* wave divider */
.wave{ display:block; width:100%; height:60px; }

/* ============================================================
   STAT BAND
   ============================================================ */
.statband{ background:var(--bg-3); border-bottom:1px solid var(--line); }
.statband .grid{ gap:0; }
.stat{ padding:30px 26px; border-left:1px solid var(--line); }
.stat:first-child{ border-left:0; }
@media(max-width:920px){ .stat{ border-left:0; border-top:1px solid var(--line); } .stat:first-child{ border-top:0; } }
.stat .sv{ font-family:var(--mono); font-weight:700; font-size:2.1rem; color:var(--navy); letter-spacing:-.02em; line-height:1; }
.stat .sv .u{ font-size:.9rem; color:var(--lake); margin-left:4px; font-weight:600; }
.stat .sl{ margin-top:10px; font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-3); font-weight:600; }
.stat .sd{ margin-top:4px; font-size:.82rem; color:var(--ink-4); }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.shead{ max-width:720px; margin-bottom:48px; }
.shead.center{ margin-left:auto; margin-right:auto; text-align:center; }
.shead.center .eyebrow{ justify-content:center; }
.shead p{ font-size:1.12rem; color:var(--ink-2); }

/* ============================================================
   CARDS
   ============================================================ */
.card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  overflow:hidden; transition:transform .18s, box-shadow .18s, border-color .18s;
  display:flex; flex-direction:column; box-shadow:var(--shadow-sm);
}
.card:hover{ transform:translateY(-3px); box-shadow:var(--shadow); border-color:var(--line-2); }
.card-figure{ aspect-ratio:16/10; position:relative; overflow:hidden; background:var(--navy); }
.card-figure svg{ width:100%; height:100%; }
.card-tag{
  position:absolute; top:13px; left:13px; font-size:.68rem; font-weight:700; letter-spacing:.08em;
  text-transform:uppercase; padding:5px 10px; border-radius:6px; background:rgba(10,37,64,.82);
  color:var(--surf); backdrop-filter:blur(4px);
}
.card-body{ padding:24px; display:flex; flex-direction:column; gap:11px; flex:1; }
.card-body h3{ margin:0; }
.card-body p{ margin:0; font-size:.96rem; color:var(--ink-3); }
.card-link{ margin-top:auto; font-weight:700; font-size:.9rem; color:var(--lake); display:inline-flex; align-items:center; gap:6px; }
.card-link svg{ width:15px; height:15px; transition:transform .16s; }
.card:hover .card-link svg{ transform:translateX(3px); }

/* feature row */
.feature{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.feature.flip .feature-media{ order:2; }
@media(max-width:920px){ .feature{ grid-template-columns:1fr; gap:32px; } .feature.flip .feature-media{ order:0; } }
.feature-media{ border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow); border:1px solid var(--line); background:var(--navy); }
.feature-media svg,.feature-media img{ width:100%; display:block; }
.feature ul{ list-style:none; padding:0; margin:18px 0 0; }
.feature li{ padding:10px 0 10px 30px; position:relative; color:var(--ink-2); border-bottom:1px solid var(--line); }
.feature li:last-child{ border-bottom:0; }
.feature li::before{
  content:""; position:absolute; left:0; top:15px; width:16px; height:16px;
  background:var(--cyan); mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z' fill='black'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ============================================================
   TABLE
   ============================================================ */
.tbl-wrap{ border:1px solid var(--line); border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow-sm); background:var(--paper); }
table.tbl{ width:100%; border-collapse:collapse; font-size:.94rem; }
table.tbl thead{ background:var(--navy); }
table.tbl th{ text-align:left; padding:14px 18px; color:#cfe0ee; font-size:.74rem; text-transform:uppercase; letter-spacing:.08em; font-weight:700; }
table.tbl th.num,table.tbl td.num{ text-align:right; font-family:var(--mono); }
table.tbl td{ padding:14px 18px; border-top:1px solid var(--line); color:var(--ink-2); }
table.tbl tbody tr:nth-child(even){ background:var(--bg-3); }
table.tbl tbody tr:hover{ background:var(--watch-bg); }
table.tbl td strong{ color:var(--ink); }

/* status pill */
.pill{ display:inline-flex; align-items:center; gap:6px; font-size:.74rem; font-weight:700; padding:4px 11px; border-radius:999px; letter-spacing:.02em; }
.pill::before{ content:""; width:7px; height:7px; border-radius:50%; background:currentColor; }
.pill.ok{ background:var(--ok-bg); color:var(--ok); }
.pill.warn{ background:var(--warn-bg); color:var(--warn); }
.pill.stop{ background:var(--stop-bg); color:var(--stop); }
.pill.watch{ background:var(--watch-bg); color:var(--watch); }

/* notice */
.notice{ display:flex; gap:16px; padding:22px 24px; border-radius:var(--r-lg); border:1px solid; align-items:flex-start; }
.notice svg{ width:24px; height:24px; flex:none; margin-top:1px; }
.notice.info{ background:var(--watch-bg); border-color:#b3d3ef; color:var(--navy-3); }
.notice.warn{ background:var(--warn-bg); border-color:#e8c9a0; color:#8a5a12; }
.notice h4{ margin:0 0 5px; color:inherit; }
.notice p{ margin:0; color:inherit; opacity:.92; font-size:.95rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{ background:var(--navy); color:#9fb8cd; padding:64px 0 28px; }
.footer h5{ color:#fff; font-size:.78rem; letter-spacing:.12em; text-transform:uppercase; margin:0 0 16px; }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:36px; }
@media(max-width:920px){ .footer-grid{ grid-template-columns:1fr 1fr; gap:28px; } }
.footer a{ color:#a7c4da; display:block; padding:5px 0; font-size:.92rem; }
.footer a:hover{ color:var(--surf); }
.footer .fbrand{ display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.footer .fbrand .bt-name{ color:#fff; font-weight:800; font-size:1.15rem; }
.footer p{ color:#88a3ba; font-size:.9rem; max-width:34ch; }
.footer-base{ border-top:1px solid rgba(255,255,255,.1); margin-top:44px; padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:.82rem; color:#7894ab; }

/* page hero (interior) */
.phero{ background:var(--navy); color:#fff; position:relative; overflow:hidden; }
.phero .wrap-wide{ position:relative; z-index:2; padding:72px 24px 78px; }
.phero h1{ color:#fff; max-width:18ch; }
.phero .lede{ color:#c2d6e8; max-width:60ch; }
.phero-art{ position:absolute; inset:0; z-index:0; opacity:.9; }
.crumbs{ font-size:.82rem; color:#8fb0cb; margin-bottom:18px; }
.crumbs a{ color:#8fb0cb; }
.crumbs a:hover{ color:var(--surf); }

.muted{ color:var(--ink-3); }
.center{ text-align:center; }
.mono{ font-family:var(--mono); }
hr.rule{ border:0; border-top:1px solid var(--line); margin:0; }