/* T1 Consulting — shared design system
   Brand tokens derive from the logo set: navy #0F172A, slate #334155, gold #CA8A04, Inter.
   Single source of truth linked from every page (no build step). */

:root {
  --navy:#0F172A;       /* primary ink / dark surfaces */
  --navy-2:#1E293B;     /* raised dark surface */
  --slate:#334155;      /* secondary text */
  --slate-2:#475569;
  --muted:#64748B;      /* tertiary / captions */
  --gold:#CA8A04;       /* accent */
  --gold-2:#A16207;     /* accent hover / deep */
  --gold-soft:#FEF3C7;  /* gold wash */
  --line:#E2E8F0;       /* hairlines on light */
  --line-d:#26344A;     /* hairlines on dark */
  --paper:#FFFFFF;
  --mist:#F8FAFC;
  --mist-2:#F1F5F9;
  --ink-on-dark:#E2E8F0;
  --muted-on-dark:#94A3B8;

  --font:'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max:1140px;
  --ease:cubic-bezier(0.4,0.0,0.2,1);
  --shadow-sm:0 1px 2px rgba(15,23,42,0.04), 0 1px 3px rgba(15,23,42,0.06);
  --shadow-md:0 10px 30px -12px rgba(15,23,42,0.18);
}

* { box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  margin:0;
  font-family:var(--font);
  color:var(--navy);
  background:var(--paper);
  line-height:1.65;
  font-size:17px;
  letter-spacing:-0.011em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4 { margin:0; font-weight:800; letter-spacing:-0.035em; line-height:1.06; color:var(--navy); }
h1 { font-size:clamp(2.5rem,5.6vw,4.1rem); }
h2 { font-size:clamp(1.9rem,3.6vw,2.7rem); }
h3 { font-size:1.22rem; letter-spacing:-0.02em; }
p { margin:0 0 1.1em; }
a { color:inherit; text-decoration:none; }
img,svg { display:block; max-width:100%; }
strong { font-weight:700; }

.wrap { width:100%; max-width:var(--max); margin:0 auto; padding:0 28px; }
.eyebrow {
  font-weight:700; font-size:12px; letter-spacing:0.2em; text-transform:uppercase;
  color:var(--gold-2);
}
.eyebrow--light { color:var(--gold); }
.lede { font-size:clamp(1.06rem,1.7vw,1.28rem); line-height:1.6; color:var(--slate); }

/* ---------- Brand lockup (CSS reproduction of logo-B) ---------- */
.brand { display:inline-flex; align-items:baseline; gap:13px; }
.brand .mark { font-weight:800; font-size:1.42rem; letter-spacing:-0.06em; color:var(--navy); line-height:1; }
.brand .div {
  align-self:stretch; width:1.5px; background:var(--slate);
  position:relative; margin:0 1px;
}
.brand .div::after {
  content:""; position:absolute; left:50%; bottom:-5px; width:5px; height:5px;
  border-radius:50%; background:var(--gold); transform:translateX(-50%);
}
.brand .word {
  font-weight:400; font-size:0.82rem; letter-spacing:0.26em; text-transform:uppercase;
  color:var(--slate); line-height:1;
}
.brand--light .mark { color:#FFFFFF; }
.brand--light .div { background:var(--muted-on-dark); }
.brand--light .word { color:var(--ink-on-dark); }

/* ---------- Header ---------- */
header.site {
  position:sticky; top:0; z-index:30;
  background:rgba(255,255,255,0.82);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav { display:flex; align-items:center; justify-content:space-between; height:70px; }
.nav .links { display:flex; align-items:center; gap:30px; }
.nav .links a { font-weight:500; font-size:14.5px; color:var(--slate); transition:color .15s var(--ease); }
.nav .links a:hover, .nav .links a.active { color:var(--navy); }
.nav .links a.active { font-weight:600; }
.btn {
  display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:14.5px;
  padding:10px 20px; border-radius:8px; transition:all .18s var(--ease); cursor:pointer;
  border:1px solid transparent;
}
.btn--gold { background:var(--gold); color:var(--navy); }
.btn--gold:hover { background:var(--gold-2); color:#fff; transform:translateY(-1px); }
.btn--ghost { border-color:var(--line); color:var(--navy); background:transparent; }
.btn--ghost:hover { border-color:var(--slate); background:var(--mist); }
.btn--ghost-light { border-color:var(--line-d); color:#fff; background:transparent; }
.btn--ghost-light:hover { border-color:var(--gold); color:var(--gold); }
.btn--lg { padding:13px 26px; font-size:15.5px; }
.nav .menu-btn { display:none; }

/* ---------- Hero ---------- */
.hero { background:var(--navy); color:var(--ink-on-dark); position:relative; overflow:hidden; }
.hero::before {
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(120% 90% at 78% -20%, rgba(202,138,4,0.16), transparent 55%),
    radial-gradient(90% 70% at 0% 120%, rgba(51,65,85,0.45), transparent 60%);
}
.hero::after {
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.4;
  background-image:linear-gradient(var(--line-d) 1px, transparent 1px), linear-gradient(90deg, var(--line-d) 1px, transparent 1px);
  background-size:64px 64px; mask-image:radial-gradient(80% 60% at 70% 0%, #000 10%, transparent 70%);
}
.hero .wrap { position:relative; padding:96px 28px 104px; }
.hero h1 { color:#fff; max-width:18ch; margin-bottom:22px; }
.hero h1 .accent { color:var(--gold); }
.hero .lede { color:var(--muted-on-dark); max-width:54ch; margin-bottom:32px; }
.hero .cta-row { display:flex; flex-wrap:wrap; gap:14px; }
.hero--sub .wrap { padding:72px 28px 64px; }
.hero--sub h1 { font-size:clamp(2.1rem,4.2vw,3.1rem); }

/* ---------- Stat band ---------- */
.stats { background:var(--navy-2); border-top:1px solid var(--line-d); }
.stats .grid { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; padding:40px 0; }
.stat .fig { font-size:1.9rem; font-weight:800; letter-spacing:-0.04em; color:#fff; line-height:1; }
.stat .fig .unit { color:var(--gold); }
.stat .cap { font-size:13px; color:var(--muted-on-dark); margin-top:8px; letter-spacing:.01em; }

/* ---------- Sections ---------- */
section { padding:88px 0; }
.section-head { max-width:50ch; margin-bottom:44px; }
.section-head.center { margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2 { margin-bottom:14px; }
.alt { background:var(--mist); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

/* ---------- Capability cards ---------- */
.cards { display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.card {
  background:var(--paper); border:1px solid var(--line); border-radius:14px; padding:0; overflow:hidden;
  transition:border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
  position:relative;
}
.card:hover { border-color:#CBD5E1; transform:translateY(-2px); box-shadow:var(--shadow-md); }
.card .thumb { aspect-ratio:3/2; background:var(--navy); overflow:hidden; border-bottom:1px solid var(--line); }
.card .thumb img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .5s var(--ease); }
.card:hover .thumb img { transform:scale(1.045); }
.card .card-body { padding:26px 28px 30px; }
.card .num { font-size:12px; font-weight:700; letter-spacing:0.18em; color:var(--gold-2); }
.card h3 { margin:13px 0 10px; }
.card p { color:var(--slate); font-size:15.5px; margin:0; }
.card .tags { margin-top:18px; display:flex; flex-wrap:wrap; gap:7px; }
.tag {
  font-size:12px; font-weight:500; color:var(--slate-2); background:var(--mist-2);
  border:1px solid var(--line); border-radius:999px; padding:4px 11px;
}

/* ---------- Detailed capability rows (services page) ---------- */
.cap-row { display:grid; grid-template-columns:0.92fr 1.08fr; gap:48px; padding:52px 0; border-top:1px solid var(--line); align-items:start; }
.cap-row:first-of-type { border-top:0; }
.cap-row .visual {
  aspect-ratio:3/2; border-radius:14px; overflow:hidden; background:var(--navy);
  border:1px solid var(--line); box-shadow:var(--shadow-sm); margin-bottom:24px;
}
.cap-row .visual img { width:100%; height:100%; object-fit:cover; display:block; }
.cap-row .num-lg { font-size:13px; font-weight:700; letter-spacing:0.2em; color:var(--gold-2); text-transform:uppercase; }
.cap-row h3 { font-size:1.65rem; font-weight:800; letter-spacing:-0.03em; margin:12px 0 0; }
.cap-row .body p { color:var(--slate); }
.cap-row .body ul { margin:14px 0 0; padding:0; list-style:none; }
.cap-row .body li { position:relative; padding:7px 0 7px 26px; color:var(--slate); font-size:15.5px; border-top:1px solid var(--line); }
.cap-row .body li:first-child { border-top:0; }
.cap-row .body li::before { content:""; position:absolute; left:2px; top:15px; width:7px; height:7px; border-radius:50%; background:var(--gold); }

/* ---------- About / prose ---------- */
.prose { max-width:68ch; }
.prose h2 { margin:40px 0 14px; }
.prose h2:first-child { margin-top:0; }
.prose p { color:var(--slate); }
.lead-para { font-size:1.16rem; color:var(--navy); font-weight:500; line-height:1.55; }
.portrait-band { display:grid; grid-template-columns:300px 1fr; gap:48px; align-items:start; }
.portrait {
  background:var(--navy); border-radius:16px; aspect-ratio:1/1.18; display:flex; align-items:flex-end;
  padding:22px; color:#fff; position:relative; overflow:hidden; box-shadow:var(--shadow-md);
}
.portrait img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center 18%; }
.portrait::after {
  content:""; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(to top, rgba(15,23,42,0.94) 0%, rgba(15,23,42,0.45) 24%, rgba(15,23,42,0) 50%);
}
.portrait .who { position:relative; z-index:2; }
.portrait .who .n { font-weight:700; font-size:1.05rem; }
.portrait .who .r { font-size:13px; color:var(--muted-on-dark); margin-top:3px; }

/* ---------- Quote / positioning ---------- */
.pullquote { border-left:3px solid var(--gold); padding:6px 0 6px 26px; margin:0; }
.pullquote p { font-size:clamp(1.2rem,2.4vw,1.6rem); font-weight:600; letter-spacing:-0.025em; color:var(--navy); line-height:1.4; }
.pullquote cite { display:block; margin-top:16px; font-style:normal; font-size:14px; color:var(--muted); font-weight:500; }

/* ---------- CTA band ---------- */
.cta { background:var(--navy); color:#fff; position:relative; overflow:hidden; }
.cta::before { content:""; position:absolute; inset:0; background:radial-gradient(80% 120% at 50% -20%, rgba(202,138,4,0.18), transparent 55%); }
.cta .wrap { position:relative; text-align:center; padding:84px 28px; }
.cta h2 { color:#fff; max-width:20ch; margin:0 auto 16px; }
.cta p { color:var(--muted-on-dark); max-width:48ch; margin:0 auto 28px; }

/* ---------- Contact ---------- */
.contact-card {
  border:1px solid var(--line); border-radius:16px; padding:40px; background:var(--mist);
  display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center;
}
.contact-card .label { font-size:12px; font-weight:700; letter-spacing:0.16em; text-transform:uppercase; color:var(--gold-2); }
.contact-card .email { font-size:clamp(1.3rem,2.6vw,1.7rem); font-weight:700; letter-spacing:-0.03em; color:var(--navy); margin:8px 0 0; }
.contact-card .email:hover { color:var(--gold-2); }
.contact-note { color:var(--slate); font-size:15.5px; }

/* ---------- Footer ---------- */
footer.site { background:var(--navy); color:var(--muted-on-dark); padding:56px 0 40px; }
footer.site .row { display:flex; justify-content:space-between; align-items:flex-start; gap:30px; flex-wrap:wrap; }
footer.site .links { display:flex; gap:26px; }
footer.site .links a { font-size:14px; color:var(--ink-on-dark); }
footer.site .links a:hover { color:var(--gold); }
footer.site .fine { margin-top:36px; padding-top:24px; border-top:1px solid var(--line-d); font-size:12.5px; color:var(--muted); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; }

/* ---------- Responsive ---------- */
@media (max-width:860px) {
  .stats .grid { grid-template-columns:repeat(2,1fr); gap:30px 20px; }
  .cards { grid-template-columns:1fr; }
  .cap-row { grid-template-columns:1fr; gap:18px; padding:40px 0; }
  .portrait-band { grid-template-columns:1fr; gap:28px; }
  .portrait { max-width:280px; aspect-ratio:1/1; }
  .contact-card { grid-template-columns:1fr; gap:24px; padding:30px; }
  .nav .links { display:none; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } * { transition:none !important; } }