/* ============================================================
   ANCHORHOUSE — Design system
   Palette: institutional navy + brass, on white
   Type: Source Serif 4 (display) / IBM Plex Sans (body) / IBM Plex Mono (data)
   Signature device: the Compliance Ledger — a stamped certification register
   ============================================================ */

:root{
  --white:      #FFFFFF;
  --mist:       #F5F6F8;
  --mist-2:     #EEF1F4;
  --line:       #DFE3E8;
  --ink:        #0F1D30;
  --navy:       #16324F;
  --navy-2:     #1E4266;
  --brass:      #A9812E;
  --brass-lt:   #C9A65B;
  --brass-tint: #FBF6EA;
  --green-ok:   #2F6B4F;
  --max: 1180px;

  --display: "Source Serif 4", Georgia, serif;
  --body: "IBM Plex Sans", -apple-system, Segoe UI, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 32px; }
section{ padding: 88px 0; }
h1,h2,h3,h4{ font-family: var(--display); font-weight: 600; line-height:1.12; margin:0; color: var(--navy); }
h1{ font-size: clamp(2.4rem, 4.6vw, 3.6rem); letter-spacing: -0.01em; }
h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3{ font-size: 1.25rem; }
p{ margin:0 0 1em; color:#3B4A5C; }
.lede{ font-size: 1.15rem; color:#3B4A5C; max-width: 640px; }

.eyebrow{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
  font-weight: 600;
  display:flex; align-items:center; gap:10px;
  margin-bottom: 18px;
}
.eyebrow::before{ content:""; width:22px; height:1px; background: var(--brass); display:inline-block; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--body); font-weight:600; font-size:0.92rem;
  padding: 14px 26px; border-radius: 3px; border:1px solid transparent;
  cursor:pointer; transition: all .18s ease;
}
.btn-primary{ background: var(--navy); color:var(--white); }
.btn-primary:hover{ background: var(--navy-2); }
.btn-ghost{ background:transparent; color:var(--navy); border-color: var(--navy); }
.btn-ghost:hover{ background: var(--navy); color:var(--white); }
.btn-brass{ background: var(--brass); color:var(--white); }
.btn-brass:hover{ background:#8f6d26; }
.btn-row{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---------- Nav ---------- */
header.site{
  position:sticky; top:0; z-index:50;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav{
  max-width: var(--max); margin:0 auto; padding: 0 32px;
  height: 78px; display:flex; align-items:center; justify-content:space-between;
}
.brand{ display:flex; align-items:center; gap:10px; font-family: var(--display); font-weight:700; font-size:1.25rem; color: var(--navy); }
.brand .mark{
  width:30px; height:30px; border:1.5px solid var(--navy); border-radius:2px;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--mono); font-size:0.7rem; color:var(--navy); font-weight:700;
}
.navlinks{ display:flex; align-items:center; gap:2px; }
.navlinks a{
  font-size: 0.88rem; font-weight:600; color:#495a6d; padding: 10px 16px; border-radius:3px;
  position:relative;
}
.navlinks a:hover{ color: var(--navy); }
.navlinks a.active{ color: var(--navy); }
.navlinks a.active::after{
  content:""; position:absolute; left:16px; right:16px; bottom:4px; height:2px; background: var(--brass);
}
.nav-cta{ display:flex; gap:10px; align-items:center; }
.nav-cta .btn{ padding: 10px 18px; font-size:0.85rem; }
.navtoggle{ display:none; }

@media (max-width: 920px){
  .navlinks{ display:none; }
  .nav-cta .btn-ghost{ display:none; }
  .navtoggle{ display:block; font-family:var(--mono); font-size:0.75rem; border:1px solid var(--navy); padding:8px 12px; border-radius:3px; background:none; }
}

/* ---------- Hero ---------- */
.hero{ padding: 76px 0 64px; }
.hero-grid{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items:center; }
.hero h1{ margin-bottom: 22px; }
.hero-panel{
  border: 1px solid var(--line); background: var(--mist);
  padding: 30px; border-radius: 4px;
}
.hero-panel .row{ display:flex; justify-content:space-between; padding:12px 0; border-bottom:1px dashed var(--line); font-size:0.9rem; }
.hero-panel .row:last-child{ border-bottom:none; }
.hero-panel .row span:first-child{ color:#5b6b7d; }
.hero-panel .row span:last-child{ font-family: var(--mono); font-weight:600; color: var(--navy); }
.hero-panel .tag{
  font-family:var(--mono); font-size:0.68rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--green-ok); background:#ECF4EF; border:1px solid #CFE3D6; padding:4px 9px; border-radius:20px;
}

@media (max-width: 860px){ .hero-grid{ grid-template-columns: 1fr; } }

/* ---------- Stat row ---------- */
.stats{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background: var(--mist); }
.stats-grid{ display:grid; grid-template-columns: repeat(4,1fr); }
.stat{ padding: 34px 28px; border-right:1px solid var(--line); }
.stat:last-child{ border-right:none; }
.stat .num{ font-family: var(--mono); font-size: 2rem; font-weight:600; color: var(--navy); }
.stat .lbl{ font-size:0.82rem; color:#5b6b7d; margin-top:6px; }
@media (max-width: 760px){ .stats-grid{ grid-template-columns: repeat(2,1fr); } .stat{ border-bottom:1px solid var(--line);} }

/* ---------- Section header ---------- */
.section-head{ max-width: 680px; margin-bottom: 48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- Cards ---------- */
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
@media (max-width: 860px){ .grid-3{ grid-template-columns: 1fr; } .grid-2{ grid-template-columns: 1fr; } }

.card{
  border: 1px solid var(--line); padding: 32px; border-radius: 4px; background: var(--white);
  transition: border-color .18s ease, transform .18s ease;
}
.card:hover{ border-color: var(--brass-lt); }
.card .idx{ font-family: var(--mono); color: var(--brass); font-size:0.75rem; letter-spacing:.08em; margin-bottom:14px; display:block; }
.card h3{ margin-bottom:10px; }
.card p{ margin:0; font-size:0.94rem; }

/* ---------- Compliance ledger (signature element) ---------- */
.ledger{
  border: 1px solid var(--navy); border-radius: 4px; overflow:hidden; background: var(--white);
}
.ledger-head{
  background: var(--navy); color: var(--white); padding: 18px 26px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
}
.ledger-head .lh-title{ font-family: var(--display); font-size:1.1rem; }
.ledger-head .lh-ref{ font-family: var(--mono); font-size:0.75rem; color:#C9D6E2; }
.ledger-row{
  display:grid; grid-template-columns: 1.4fr 2.4fr 1fr 1.1fr;
  align-items:center; padding: 16px 26px; border-top: 1px solid var(--line);
  font-size: 0.92rem;
}
.ledger-row.head-row{ background: var(--mist); font-family: var(--mono); font-size:0.7rem; text-transform:uppercase; letter-spacing:.06em; color:#5b6b7d; border-top:none; }
.ledger-row .code{ font-family: var(--mono); font-weight:700; color: var(--navy); }
.ledger-row .stamp{
  display:inline-flex; align-items:center; gap:6px; font-family: var(--mono); font-size:0.72rem;
  color: var(--green-ok); border:1px solid #CFE3D6; background:#ECF4EF; padding:4px 10px; border-radius:20px; width:fit-content;
}
.ledger-row .tier{ font-family: var(--mono); font-size:0.72rem; color:#5b6b7d; }
@media (max-width: 760px){
  .ledger-row{ grid-template-columns: 1fr; gap:6px; }
  .ledger-row.head-row{ display:none; }
  .ledger-row .code{ font-size:0.95rem; }
}

/* ---------- Tier cards (compliance page) ---------- */
.tiers{ display:grid; grid-template-columns: repeat(3,1fr); gap:22px; align-items:stretch; }
@media (max-width: 900px){ .tiers{ grid-template-columns: 1fr; } }
.tier{ border:1px solid var(--line); border-radius:4px; padding:30px; display:flex; flex-direction:column; }
.tier.basic{ background: var(--white); }
.tier.standard{ background: var(--white); border-color: var(--navy); box-shadow: 0 0 0 1px var(--navy); }
.tier.enhanced{ background: var(--navy); color:var(--white); }
.tier.enhanced h3, .tier.enhanced .tier-note{ color: var(--white); }
.tier .tier-eyebrow{ font-family:var(--mono); font-size:0.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--brass); margin-bottom:10px; }
.tier.enhanced .tier-eyebrow{ color: var(--brass-lt); }
.tier h3{ margin-bottom:6px; }
.tier.enhanced h3{ font-family: var(--display); }
.tier-note{ font-size:0.86rem; color:#5b6b7d; margin-bottom:20px; }
.tier ul{ list-style:none; margin:0 0 20px; padding:0; flex:1; }
.tier li{ display:flex; gap:10px; padding:8px 0; border-top:1px dashed var(--line); font-size:0.9rem; }
.tier.enhanced li{ border-top:1px dashed rgba(255,255,255,0.25); }
.tier li:first-child{ border-top:none; }
.tier li .tick{ font-family:var(--mono); color: var(--green-ok); flex-shrink:0; }
.tier.enhanced li .tick{ color: var(--brass-lt); }

/* ---------- Steps ---------- */
.steps{ counter-reset: step; }
.step{
  display:grid; grid-template-columns: 84px 1fr; gap: 26px; padding: 30px 0; border-top:1px solid var(--line);
}
.step:last-child{ border-bottom:1px solid var(--line); }
.step .stepnum{ font-family: var(--mono); font-size:1.6rem; color: var(--brass); font-weight:600; }
.step h3{ margin-bottom:8px; }
@media (max-width: 640px){ .step{ grid-template-columns: 50px 1fr; } .step .stepnum{ font-size:1.15rem; } }

/* ---------- Table ---------- */
table.spec{ width:100%; border-collapse:collapse; }
table.spec th, table.spec td{ text-align:left; padding: 14px 18px; border-bottom:1px solid var(--line); font-size:0.92rem; }
table.spec th{ font-family: var(--mono); font-size:0.72rem; text-transform:uppercase; letter-spacing:.06em; color:#5b6b7d; background: var(--mist); }
table.spec tr:hover td{ background: var(--mist); }

/* ---------- Banner / CTA ---------- */
.banner{ background: var(--navy); color:var(--white); }
.banner h2{ color:var(--white); }
.banner p{ color:#C9D6E2; }
.banner-row{ display:flex; justify-content:space-between; align-items:center; gap:24px; flex-wrap:wrap; }

.split{ display:grid; grid-template-columns: 1fr 1fr; gap:56px; align-items:center; }
@media (max-width: 900px){ .split{ grid-template-columns:1fr; } }

.imgph{
  aspect-ratio: 4/3; border-radius:4px; border:1px solid var(--line);
  background:
    repeating-linear-gradient(45deg, #F7F8F9, #F7F8F9 12px, #EFF1F3 12px, #EFF1F3 24px);
  display:flex; align-items:center; justify-content:center;
  color:#8a96a3; font-family:var(--mono); font-size:0.75rem; text-align:center; padding: 20px;
}
.photo{
  aspect-ratio: 4/3; border-radius:4px; border:1px solid var(--line);
  overflow:hidden;
}
.photo img{ width:100%; height:100%; object-fit:cover; display:block; }
.photo-caption{ font-family:var(--mono); font-size:0.68rem; color:#8a96a3; margin-top:10px; }
.photo-wide{
  aspect-ratio: 21/9; border-radius:4px; border:1px solid var(--line); overflow:hidden;
}
.photo-wide img{ width:100%; height:100%; object-fit:cover; display:block; object-position: center 25%; }
@media (max-width: 640px){ .photo-wide{ aspect-ratio: 4/3; } }

/* ---------- Forms ---------- */
.form-panel{ border:1px solid var(--line); border-radius:4px; padding: 36px; background: var(--mist); }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:0.82rem; font-weight:600; color: var(--navy); margin-bottom:6px; }
.field input, .field select, .field textarea{
  width:100%; padding: 12px 14px; border:1px solid var(--line); border-radius:3px; font-family: var(--body); font-size:0.94rem; background: var(--white);
}
.field textarea{ min-height:110px; resize:vertical; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:640px){ .field-row{ grid-template-columns:1fr; } }
.audience-toggle{ display:flex; gap:10px; margin-bottom:24px; }
.audience-toggle button{
  flex:1; padding:12px; border:1px solid var(--line); background:var(--white); border-radius:3px;
  font-family:var(--body); font-weight:600; font-size:0.88rem; cursor:pointer; color:#5b6b7d;
}
.audience-toggle button.active{ border-color: var(--navy); color: var(--navy); background: var(--brass-tint); }

/* ---------- Footer ---------- */
footer.site{ background: var(--ink); color:#B9C4D0; padding: 60px 0 28px; }
.foot-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
footer.site h4{ color:var(--white); font-family:var(--body); font-size:0.85rem; letter-spacing:.05em; text-transform:uppercase; margin-bottom:16px; }
footer.site a{ display:block; font-size:0.88rem; padding:6px 0; color:#B9C4D0; }
footer.site a:hover{ color: var(--white); }
.foot-brand{ font-family: var(--display); color:var(--white); font-size:1.2rem; margin-bottom:12px; }
.foot-bottom{ border-top:1px solid #24384D; padding-top:22px; display:flex; justify-content:space-between; font-size:0.78rem; color:#7E8FA0; flex-wrap:wrap; gap:10px; }
@media (max-width: 860px){ .foot-grid{ grid-template-columns: 1fr 1fr; } }

.mist-bg{ background: var(--mist); }
.center{ text-align:center; }
.mt-lg{ margin-top: 40px; }