/* ==========================================================================
   PhronesisAI — shared site stylesheet
   Palette: navy ink / dark hero-footer bands / blue + gold accent
   Type: Times New Roman (serif, headings) + Inter (sans, body/UI)
   ========================================================================== */

:root{
  --ink:#0F172A;
  --dark:#0B1220;
  --dark2:#111A2E;
  --body:#334155;
  --muted:#64748B;
  --faint:#94A3B8;
  --line:#E2E8F0;
  --surface:#F8FAFC;
  --surface2:#F1F5F9;
  --white:#FFFFFF;
  --blue:#2563EB;
  --blue-l:#3B82F6;
  --gold:#D4AF37;
  --gold-l:#E8C766;
  --danger:#EF4444;

  --serif:"Times New Roman", Georgia, "Noto Serif", serif;
  --sans:"Inter","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;

  --container:1180px;
  --pad:clamp(20px, 4vw, 56px);
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--white); color:var(--body);
  font-family:var(--sans); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--serif); color:var(--ink); font-weight:700; margin:0; letter-spacing:-.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
.container{ max-width:var(--container); margin:0 auto; padding-left:var(--pad); padding-right:var(--pad); }

/* ---------- utility type ---------- */
.kicker{ font-size:12.5px; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:var(--gold); }
.kicker.on-light{ color:var(--blue); }
.lede{ font-size:17px; color:var(--muted); line-height:1.65; }
.serif-italic{ font-family:var(--serif); font-style:italic; }

/* ---------- buttons ---------- */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; font-family:var(--sans);
  font-size:14.5px; font-weight:700; padding:14px 26px; border-radius:9px; border:1.5px solid transparent;
  cursor:pointer; transition:background .15s ease, transform .18s ease, box-shadow .18s ease, border-color .15s ease;
  white-space:nowrap; }
.btn-primary{ background:var(--blue); color:#fff; }
.btn-primary:hover{ background:#1D4ED8; transform:translateY(-2px); box-shadow:0 10px 24px rgba(37,99,235,.32); }
.btn-ghost-dark{ background:rgba(255,255,255,.06); color:#fff; border-color:rgba(255,255,255,.22); }
.btn-ghost-dark:hover{ background:rgba(255,255,255,.12); transform:translateY(-2px); border-color:rgba(255,255,255,.35); }
.btn-ghost-light{ background:#fff; color:var(--ink); border-color:var(--line); }
.btn-ghost-light:hover{ border-color:#C9D2DD; transform:translateY(-2px); box-shadow:0 10px 24px rgba(15,23,42,.1); }
.btn-sm{ padding:10px 18px; font-size:13px; }

/* ---------- motion: scroll-reveal (JS adds .reveal then .in) ---------- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .8s cubic-bezier(.22,.7,.2,1), transform .8s cubic-bezier(.22,.7,.2,1); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ transition:none !important; opacity:1 !important; transform:none !important; }
}

/* ---------- motion: nav gains depth once the page scrolls ---------- */
.site-header{ transition:background-color .25s ease, box-shadow .25s ease; }
.site-header.scrolled{ background:rgba(11,18,32,.9); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  box-shadow:0 8px 28px rgba(0,0,0,.28); }

/* ---------- motion: ambient hero glow drift ---------- */
@keyframes orbDriftA{ 0%,100%{ transform:translate(0,0) scale(1); } 50%{ transform:translate(22px,-16px) scale(1.07); } }
@keyframes orbDriftB{ 0%,100%{ transform:translate(0,0) scale(1); } 50%{ transform:translate(-18px,14px) scale(1.05); } }
.hero::before{ animation:orbDriftA 16s ease-in-out infinite; }
.hero::after{ animation:orbDriftB 20s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce){
  .hero::before, .hero::after{ animation:none; }
}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header{ position:sticky; top:0; z-index:100; background:var(--dark); border-bottom:1px solid rgba(255,255,255,.08); }
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height:76px; gap:24px; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand-logo{ height:46px; width:auto; display:block; }
.footer-brand .brand-logo{ height:38px; }
.nav-links{ display:flex; align-items:center; gap:30px; font-size:14px; font-weight:600; color:#B9C2D0; }
.nav-links a:hover{ color:#fff; }
.nav-links a.active{ color:#fff; }
.nav-right{ display:flex; align-items:center; gap:16px; }
.nav-toggle{ display:none; background:none; border:0; width:40px; height:40px; cursor:pointer; }
.nav-toggle span{ display:block; width:22px; height:2px; background:#fff; margin:5px auto; transition:.2s; }

@media (max-width:920px){
  .nav-links{ position:fixed; inset:76px 0 0 0; background:var(--dark); flex-direction:column; justify-content:flex-start;
    padding:34px var(--pad); gap:22px; transform:translateX(100%); transition:transform .25s ease; z-index:90; }
  .nav-links.open{ transform:translateX(0); }
  .nav-toggle{ display:block; }
  .nav-right .btn{ display:none; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{ background:var(--dark); position:relative; overflow:hidden; padding-bottom:64px; }
.hero::before{ content:""; position:absolute; top:-160px; right:-120px; width:520px; height:520px; border-radius:50%;
  background:radial-gradient(circle, rgba(37,99,235,.32), transparent 70%); pointer-events:none; }
.hero::after{ content:""; position:absolute; bottom:-200px; left:-140px; width:480px; height:480px; border-radius:50%;
  background:radial-gradient(circle, rgba(212,175,55,.14), transparent 70%); pointer-events:none; }
.hero .container{ position:relative; padding-top:64px; }
.hero-inner{ max-width:760px; }
.hero h1{ color:#fff; font-size:clamp(34px,5vw,54px); line-height:1.1; margin-top:16px; }
.hero h1 i{ font-family:var(--serif); font-style:italic; font-weight:400; color:var(--faint); }
.hero .sub{ font-size:16.5px; color:var(--faint); margin-top:20px; max-width:600px; line-height:1.65; }
.hero .btnrow{ display:flex; gap:14px; margin-top:32px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:44px; margin-top:52px; padding-top:24px; border-top:1px solid rgba(255,255,255,.12); flex-wrap:wrap; }
.hero-stats .stat .n{ font-family:var(--serif); font-size:27px; font-weight:700; color:#fff; }
.hero-stats .stat .l{ font-size:11.5px; color:var(--faint); margin-top:4px; }
.hero.compact{ padding-bottom:52px; }
.hero.compact .container{ padding-top:56px; }
.hero.compact h1{ font-size:clamp(30px,4.4vw,46px); }

/* ==========================================================================
   SECTIONS
   ========================================================================== */
section.block{ padding:76px 0; }
section.block.tight{ padding:52px 0; }
section.block.surface{ background:var(--surface); }
section.block.dark{ background:var(--dark); color:var(--faint); }
section.block.dark h2, section.block.dark h3{ color:#fff; }
.section-head{ max-width:720px; margin-bottom:44px; }
.section-head h2{ font-size:clamp(26px,3.4vw,38px); margin-top:12px; line-height:1.15; }
.section-head .kicker{ display:block; }

/* ---------- grids / cards ---------- */
.grid{ display:grid; gap:22px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:920px){ .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; } }

.card{ background:#fff; border:1px solid var(--line); border-radius:14px; padding:30px 26px;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.card:hover{ border-color:#C9D2DD; transform:translateY(-4px); box-shadow:0 16px 36px rgba(15,23,42,.09); }
.card .ic{ width:44px; height:44px; border-radius:10px; display:flex; align-items:center; justify-content:center;
  font-family:var(--serif); font-weight:700; font-size:17px; color:#fff; margin-bottom:18px; }
.card h3{ font-size:19px; }
.card p{ font-size:13.8px; color:var(--muted); margin-top:10px; line-height:1.55; }
.card .arrow{ display:inline-block; margin-top:16px; font-size:12.5px; font-weight:700; color:var(--blue); }

.pillar-card{ background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:34px 28px;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease, background-color .2s ease; }
.pillar-card:hover{ border-color:#C9D2DD; background:#fff; transform:translateY(-4px); box-shadow:0 18px 38px rgba(15,23,42,.1); }
.pillar-card .tag{ font-size:11px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--blue); }
.pillar-card h3{ font-size:22px; margin-top:10px; }
.pillar-card p{ font-size:14px; color:var(--muted); margin-top:12px; line-height:1.6; }

/* ---------- numbered feature rows ---------- */
.nrow{ display:grid; grid-template-columns:56px 1fr; gap:18px; padding:20px 0; border-top:1px solid var(--line); }
.nrow:last-child{ border-bottom:1px solid var(--line); }
.nrow .n{ font-family:var(--serif); font-size:22px; font-weight:700; color:var(--gold); }
.nrow h4{ font-size:16.5px; }
.nrow p{ font-size:13.8px; color:var(--muted); margin-top:6px; line-height:1.55; max-width:640px; }
section.block.dark .nrow{ border-color:rgba(255,255,255,.12); }
section.block.dark .nrow h4{ color:#fff; }
section.block.dark .nrow p{ color:var(--faint); }

/* ---------- spec ledger (hardware) ---------- */
.ledger{ border-top:1.5px solid var(--line); }
.lrow{ display:grid; grid-template-columns:170px 1fr; gap:20px; padding:13px 2px; border-bottom:1px solid var(--line); font-size:14.5px; }
.lrow .k{ font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); font-weight:700; align-self:start; padding-top:2px; }
.lrow .v{ color:var(--ink); }
.lrow .v b{ color:var(--blue); font-weight:700; }

/* ---------- stat readouts ---------- */
.readout .val{ font-family:var(--serif); font-weight:700; font-size:clamp(38px,5vw,58px); line-height:1; color:var(--ink); }
.readout .unit{ font-size:16px; color:var(--muted); margin-left:6px; }
.readout .lbl{ font-size:11.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); margin-top:8px; }
.stat-strip{ display:flex; flex-wrap:wrap; gap:0; }
.stat-strip .stat{ flex:1; min-width:150px; padding:0 26px; border-left:1px solid var(--line); }
.stat-strip .stat:first-child{ border-left:none; padding-left:0; }
.stat-strip .stat .v{ font-family:var(--serif); font-weight:700; font-size:clamp(28px,3.6vw,40px); color:var(--ink); }
.stat-strip .stat .l{ font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-top:8px; }
section.block.dark .stat-strip .stat{ border-color:rgba(255,255,255,.14); }
section.block.dark .stat-strip .stat .v{ color:#fff; }
section.block.dark .stat-strip .stat .l{ color:var(--faint); }

/* ---------- image frame + captions ---------- */
.shot{ border-radius:12px; overflow:hidden; border:1px solid var(--line); background:var(--surface); }
.shot img{ width:100%; height:100%; object-fit:cover; display:block; }
.shot-cap{ font-size:12.5px; color:var(--muted); font-style:italic; margin-top:10px; line-height:1.4; }

.shot-placeholder{ border:1.5px dashed var(--faint); border-radius:12px; background:var(--surface);
  display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:26px; min-height:220px; }
.shot-placeholder .tag{ font-size:11px; font-weight:700; letter-spacing:.12em; color:var(--muted); }
.shot-placeholder .cap{ font-size:12px; color:var(--faint); margin-top:6px; font-style:italic; max-width:280px; }

/* ---------- track record strip ---------- */
.trackrow{ font-family:var(--serif); font-size:clamp(18px,2.6vw,26px); font-weight:700; color:var(--muted);
  letter-spacing:.01em; line-height:1.6; }
.trackrow b{ color:var(--ink); }

/* ---------- case cards ---------- */
.case-card{ background:#fff; border:1px solid var(--line); border-radius:14px; overflow:hidden;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.case-card:hover{ border-color:#C9D2DD; transform:translateY(-4px); box-shadow:0 18px 38px rgba(15,23,42,.1); }
.case-card .shot img{ transition:transform .5s ease; }
.case-card:hover .shot img{ transform:scale(1.045); }
.case-card .shot{ border-radius:0; border:none; border-bottom:1px solid var(--line); aspect-ratio:16/10; }
.case-card .body{ padding:24px 24px 26px; }
.case-card .tag{ font-size:10.5px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--blue); }
.case-card h3{ font-size:18px; margin-top:8px; }
.case-card p{ font-size:13.5px; color:var(--muted); margin-top:8px; line-height:1.55; }
.case-card .metric{ margin-top:14px; padding-top:14px; border-top:1px solid var(--line); display:flex; align-items:baseline; gap:8px; }
.case-card .metric b{ font-family:var(--serif); font-size:22px; color:var(--ink); }
.case-card .metric span{ font-size:12px; color:var(--muted); }

/* ---------- team ---------- */
.team-card{ text-align:left; }
.team-card .photo{ border-radius:14px; overflow:hidden; aspect-ratio:4/5; background:var(--surface2); border:1px solid var(--line); }
.team-card .photo img{ width:100%; height:100%; object-fit:cover; }
.team-card h3{ font-size:19px; margin-top:16px; }
.team-card .role{ font-size:12.5px; font-weight:700; color:var(--blue); letter-spacing:.06em; text-transform:uppercase; margin-top:3px; }
.team-card ul{ margin-top:12px; }
.team-card li{ font-size:12.8px; color:var(--muted); line-height:1.5; padding-left:14px; position:relative; margin-top:7px; }
.team-card li::before{ content:"▪"; color:var(--gold); position:absolute; left:0; }

/* ---------- CTA band ---------- */
.cta-band{ background:var(--dark); padding:64px 0; text-align:center; position:relative; overflow:hidden; }
.cta-band::before{ content:""; position:absolute; top:-140px; left:50%; transform:translateX(-50%); width:600px; height:400px;
  background:radial-gradient(ellipse, rgba(37,99,235,.28), transparent 70%); }
.cta-band .container{ position:relative; }
.cta-band h2{ color:#fff; font-size:clamp(24px,3vw,34px); max-width:720px; margin:14px auto 0; }
.cta-band .btnrow{ display:flex; gap:14px; justify-content:center; margin-top:28px; flex-wrap:wrap; }

/* ---------- footer ---------- */
.site-footer{ background:var(--dark); padding:52px 0 30px; }
.footer-top{ display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-brand .brand{ margin-bottom:12px; }
.footer-brand p{ font-size:13px; color:var(--faint); max-width:280px; line-height:1.6; }
.footer-cols{ display:flex; gap:56px; flex-wrap:wrap; }
.footer-col h5{ font-size:11.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--faint); font-weight:700; margin-bottom:14px; }
.footer-col a, .footer-col p{ display:block; font-size:13.5px; color:#B9C2D0; margin-top:9px; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ display:flex; justify-content:space-between; padding-top:22px; font-size:12px; color:var(--faint); flex-wrap:wrap; gap:10px; }

/* ---------- forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-grid .full{ grid-column:1 / -1; }
@media (max-width:720px){ .form-grid{ grid-template-columns:1fr; } }
.field label{ display:block; font-size:12.5px; font-weight:700; color:var(--ink); margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%; border:1.5px solid var(--line); border-radius:9px; padding:12px 14px; font-family:var(--sans);
  font-size:14.5px; color:var(--ink); background:#fff; transition:.15s; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--blue); }
.field textarea{ resize:vertical; min-height:110px; }
.form-note{ font-size:12px; color:var(--muted); margin-top:16px; }

/* ---------- misc ---------- */
.divider-line{ height:1px; background:var(--line); margin:0 0; }
.max-copy{ max-width:640px; }
.badge-pill{ display:inline-block; font-size:11.5px; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  padding:7px 14px; border-radius:999px; border:1.5px solid rgba(37,99,235,.35); color:var(--blue); }
section.block.dark .badge-pill{ border-color:rgba(212,175,55,.45); color:var(--gold); }