/* =========================================================================
   Trilogy Data Partners — Design System
   Space Grotesk (headlines) + Inter (body)
   Ink navy / Vigil teal / Signal amber
   ========================================================================= */

:root {
  --ink:        #0C1B33;   /* deep navy-indigo */
  --ink-2:      #14274A;   /* raised dark surface */
  --ink-3:      #1E3358;   /* borders on dark */
  --teal:       #12A594;   /* primary accent */
  --teal-deep:  #0C7E72;
  --teal-soft:  #E4F4F1;
  --amber:      #E8A33D;   /* signal accent, sparing */
  --mist:       #F4F7F9;   /* light page bg */
  --cloud:      #FFFFFF;
  --line:       #E2E8EE;   /* hairlines on light */
  --text:       #1B2A44;   /* body text on light */
  --muted:      #5B6B7F;   /* secondary text */
  --muted-2:    #8A98A8;

  --maxw: 1180px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 18px 46px -22px rgba(12,27,51,.45);
  --shadow-sm: 0 6px 18px -10px rgba(12,27,51,.35);

  --f-head: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --f-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

/* ---------- reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-body);
  color: var(--text);
  background: var(--cloud);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--teal-deep); text-decoration: none; }
a:hover { color: var(--teal); }
h1,h2,h3,h4 { font-family: var(--f-head); color: var(--ink); line-height: 1.12; margin: 0 0 .5em; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.6rem); font-weight: 600; }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.28rem; }
p  { margin: 0 0 1rem; }
ul { margin: 0 0 1rem; padding-left: 1.15rem; }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.15rem, 4vw, 2rem); }
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--mist { background: var(--mist); }
.section--ink  { background: var(--ink); color: #C9D6E5; }
.section--ink h1,.section--ink h2,.section--ink h3 { color: #fff; }

.eyebrow {
  font-family: var(--f-head);
  font-size: .82rem;
  font-weight: 500;
  color: var(--teal-deep);
  letter-spacing: .04em;
  display: inline-flex; align-items: center; gap: .55rem;
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; background: var(--teal); display: inline-block;
}
.section--ink .eyebrow { color: var(--teal); }
.section--ink .eyebrow::before { background: var(--amber); }

.lede { font-size: clamp(1.08rem, 1.6vw, 1.28rem); color: var(--muted); max-width: 62ch; }
.section--ink .lede { color: #A9BAD0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--f-head); font-weight: 500; font-size: 1rem;
  padding: .82rem 1.5rem; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn--primary { background: var(--teal); color: #fff; }
.btn--primary:hover { background: var(--teal-deep); color:#fff; transform: translateY(-2px); }
.btn--ghost { border-color: rgba(255,255,255,.28); color: #fff; }
.btn--ghost:hover { border-color: var(--teal); color: #fff; background: rgba(18,165,148,.15); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--ink-2); color:#fff; transform: translateY(-2px); }
.btn--line { border-color: var(--line); color: var(--ink); background: #fff; }
.btn--line:hover { border-color: var(--teal); color: var(--teal-deep); }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.86); backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 74px; }
.brand { display: flex; align-items: center; gap: .65rem; font-family: var(--f-head); font-weight: 600; font-size: 1.22rem; color: var(--ink); letter-spacing: -.01em; }
.brand:hover { color: var(--ink); }
.brand .mark { width: 34px; height: 34px; flex: none; }
.brand small { display:block; font-family: var(--f-body); font-weight: 500; font-size:.62rem; letter-spacing:.16em; color: var(--muted-2); text-transform: uppercase; margin-top:1px; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-family: var(--f-head); font-size: .97rem; font-weight: 500; color: var(--ink); }
.nav-links a:hover, .nav-links .current a { color: var(--teal-deep); }
.nav-cta { display: flex; align-items: center; gap: 1rem; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: .4rem; }
.nav-toggle span { display:block; width:24px; height:2px; background: var(--ink); margin:5px 0; transition:.25s; }

/* ---------- hero ---------- */
.hero { position: relative; background: var(--ink); color: #C9D6E5; overflow: hidden; }
.hero::after { /* faint hex/grid texture */
  content:""; position:absolute; inset:0; opacity:.5; pointer-events:none;
  background:
    radial-gradient(680px 320px at 82% -10%, rgba(18,165,148,.22), transparent 60%),
    radial-gradient(520px 420px at 8% 120%, rgba(232,163,61,.10), transparent 60%);
}
.hero .wrap { position: relative; z-index: 2; padding-block: clamp(3.5rem, 8vw, 6rem); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(1.5rem,4vw,3.5rem); align-items: center; }
.hero h1 { color: #fff; max-width: 15ch; }
.hero .lede { color: #AEC0D6; max-width: 48ch; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; }
.hero-tag { display:inline-flex; gap:.5rem; align-items:center; font-family:var(--f-head); font-size:.8rem; color:var(--teal); border:1px solid var(--ink-3); background: rgba(18,165,148,.08); padding:.4rem .85rem; border-radius:999px; margin-bottom:1.6rem; }
.hero-tag .dot { width:7px; height:7px; border-radius:50%; background: var(--amber); box-shadow:0 0 0 4px rgba(232,163,61,.18); }

/* monitoring panel in hero */
.monitor {
  background: linear-gradient(180deg, var(--ink-2), #0f2143);
  border: 1px solid var(--ink-3); border-radius: 16px; padding: 1.4rem 1.4rem 1rem;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.7);
}
.monitor-head { display:flex; align-items:center; justify-content:space-between; font-family:var(--f-head); font-size:.82rem; color:#8FA6C4; margin-bottom:.9rem; }
.monitor-head b { color:#fff; font-weight:500; }
.monitor-live { display:inline-flex; align-items:center; gap:.4rem; color:var(--teal); }
.monitor-live::before { content:""; width:8px;height:8px;border-radius:50%; background: var(--teal); animation: pulse 1.8s infinite; }
.monitor svg { width:100%; height:96px; display:block; }
.monitor-stats { display:grid; grid-template-columns: repeat(3,1fr); gap:.6rem; margin-top:1rem; border-top:1px solid var(--ink-3); padding-top:.9rem; }
.monitor-stats .n { font-family:var(--f-head); font-size:1.35rem; color:#fff; font-variant-numeric: tabular-nums; }
.monitor-stats .l { font-size:.72rem; color:#8FA6C4; }

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.25} }
.wave-line { stroke: var(--teal); stroke-width:2; fill:none; stroke-linecap:round; stroke-linejoin:round; }
.wave-glow { stroke: rgba(18,165,148,.25); stroke-width:6; fill:none; }

/* ---------- trust strip ---------- */
.trust { border-block: 1px solid var(--line); background:#fff; }
.trust .wrap { display:flex; align-items:center; justify-content:space-between; gap:2rem; flex-wrap:wrap; padding-block:1.6rem; }
.trust p { margin:0; font-family:var(--f-head); color:var(--ink); font-size:1.02rem; }
.trust .logos { display:flex; gap:1.4rem; flex-wrap:wrap; align-items:center; }
.chip { font-family:var(--f-head); font-size:.8rem; color:var(--muted); border:1px solid var(--line); border-radius:8px; padding:.5rem .8rem; background:var(--mist); }

/* ---------- stats band ---------- */
.stats { display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem; }
.stat .n { font-family:var(--f-head); font-size:clamp(2rem,4vw,2.9rem); color:var(--ink); font-variant-numeric:tabular-nums; line-height:1; }
.section--ink .stat .n { color:#fff; }
.stat .n span { color:var(--teal); }
.stat .l { color:var(--muted); font-size:.95rem; margin-top:.5rem; }
.section--ink .stat .l { color:#93A6C0; }

/* ---------- section header ---------- */
.sec-head { max-width: 66ch; margin-bottom: clamp(2rem,4vw,3rem); }
.sec-head.center { margin-inline:auto; text-align:center; }
.sec-head.split { display:grid; grid-template-columns:1fr auto; align-items:end; gap:1.5rem; max-width:none; }
@media (max-width:760px){ .sec-head.split{ grid-template-columns:1fr; } }

/* ---------- pillar cards (services) ---------- */
.pillars { display:grid; grid-template-columns:repeat(3,1fr); gap:1.15rem; }
.pillar {
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:1.6rem 1.5rem; position:relative; transition:border-color .2s, transform .2s, box-shadow .2s;
  display:flex; flex-direction:column;
}
.pillar:hover { border-color:#C9D9DC; transform:translateY(-3px); box-shadow:var(--shadow-sm); }
.pillar .ico { width:46px;height:46px;border-radius:11px;display:grid;place-items:center; background:var(--teal-soft); color:var(--teal-deep); margin-bottom:1.1rem; }
.pillar .ico svg{ width:24px;height:24px; }
.pillar h3 { font-size:1.16rem; margin-bottom:.45rem; }
.pillar p { color:var(--muted); font-size:.98rem; margin:0; }
.pillar .tags { margin-top:1rem; display:flex; flex-wrap:wrap; gap:.4rem; }
.pillar .tags span { font-size:.74rem; font-family:var(--f-head); color:var(--teal-deep); background:var(--teal-soft); border-radius:6px; padding:.25rem .55rem; }
.pillar--wide { grid-column: span 3; }

/* feature index number for genuine sequences only (methodology) */
.steps { display:grid; grid-template-columns:repeat(4,1fr); gap:1.15rem; counter-reset:step; }
.step { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:1.5rem; position:relative; }
.step .idx { font-family:var(--f-head); font-size:.9rem; color:var(--teal-deep); font-weight:600; margin-bottom:.7rem; }
.step h3 { font-size:1.08rem; }
.step p { color:var(--muted); font-size:.94rem; margin:0; }

/* ---------- split feature ---------- */
.split-feature { display:grid; grid-template-columns:1fr 1fr; gap:clamp(1.5rem,4vw,3.5rem); align-items:center; }
.split-feature.rev .media { order:-1; }
.feature-list { list-style:none; padding:0; margin:1.2rem 0 0; }
.feature-list li { display:flex; gap:.75rem; align-items:flex-start; padding:.6rem 0; border-top:1px solid var(--line); }
.feature-list li:first-child{ border-top:0; }
.feature-list .tick { flex:none; width:22px;height:22px;border-radius:6px;background:var(--teal-soft);color:var(--teal-deep);display:grid;place-items:center;margin-top:2px; }
.feature-list .tick svg{width:13px;height:13px}
.feature-list b { color:var(--ink); font-family:var(--f-head); font-weight:500; }
.panel {
  background:linear-gradient(160deg,var(--ink),#0f2647); border-radius:18px; padding:1.6rem;
  color:#C9D6E5; border:1px solid var(--ink-3); box-shadow:var(--shadow);
}
.panel .row { display:flex; justify-content:space-between; align-items:center; padding:.7rem 0; border-bottom:1px solid var(--ink-3); font-size:.92rem; }
.panel .row:last-child{border-bottom:0}
.panel .row b{ color:#fff; font-family:var(--f-head); font-weight:500; }
.panel .k { color:#8FA6C4; }
.badge-ok { color:var(--teal); font-family:var(--f-head); font-size:.82rem; display:inline-flex; gap:.35rem; align-items:center; }
.badge-ok::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}

/* ---------- clients ---------- */
.client-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.15rem; }
.client-card { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:1.6rem; }
.client-card .tier { font-family:var(--f-head); font-size:.78rem; color:var(--amber); margin-bottom:.6rem; }
.client-card h3 { font-size:1.1rem; }
.client-card p { color:var(--muted); font-size:.95rem; margin:0; }
.quote { background:var(--ink); color:#fff; border-radius:18px; padding:clamp(1.8rem,4vw,3rem); }
.quote blockquote { font-family:var(--f-head); font-size:clamp(1.25rem,2.4vw,1.7rem); line-height:1.4; margin:0 0 1.2rem; color:#fff; }
.quote cite { color:#8FA6C4; font-style:normal; font-size:.95rem; }

/* ---------- CTA band ---------- */
.cta-band { background:linear-gradient(120deg,var(--teal-deep),var(--teal)); color:#fff; border-radius:22px; padding:clamp(2.2rem,5vw,3.8rem); text-align:center; }
.cta-band h2 { color:#fff; max-width:20ch; margin-inline:auto; }
.cta-band p { color:rgba(255,255,255,.9); max-width:52ch; margin-inline:auto 1.6rem; margin-inline:auto; margin-bottom:1.6rem; }
.cta-band .btn--primary { background:#fff; color:var(--teal-deep); }
.cta-band .btn--primary:hover { background:var(--ink); color:#fff; }

/* ---------- page hero (interior) ---------- */
.page-hero { background:var(--ink); color:#C9D6E5; position:relative; overflow:hidden; }
.page-hero::after{ content:""; position:absolute; inset:0; background:radial-gradient(600px 300px at 88% -20%,rgba(18,165,148,.2),transparent 60%); }
.page-hero .wrap{ position:relative; z-index:2; padding-block:clamp(3rem,7vw,5rem); }
.page-hero h1{ color:#fff; max-width:18ch; }
.page-hero .lede{ color:#AEC0D6; }
.crumb { font-family:var(--f-head); font-size:.82rem; color:#7C90AE; margin-bottom:1rem; }
.crumb a{ color:#7C90AE; } .crumb a:hover{ color:var(--teal); }

/* ---------- prose (about) ---------- */
.prose { max-width:70ch; }
.prose p { color:var(--muted); }
.prose h2 { margin-top:2.2rem; }

.two-col { display:grid; grid-template-columns:1fr 1fr; gap:clamp(1.5rem,4vw,3rem); }
.value { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:1.4rem; }
.value h3 { font-size:1.06rem; } .value p{ color:var(--muted); font-size:.95rem; margin:0; }

/* offerings list rows */
.offer { display:grid; grid-template-columns:auto 1fr auto; gap:1.3rem; align-items:start; background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:1.6rem; margin-bottom:1rem; }
.offer .ico{ width:52px;height:52px;border-radius:12px;background:var(--teal-soft);color:var(--teal-deep);display:grid;place-items:center; }
.offer .ico svg{width:26px;height:26px}
.offer h3{ font-size:1.2rem; margin-bottom:.35rem; }
.offer p{ color:var(--muted); margin:0 0 .7rem; }
.offer .tags span{ font-size:.75rem; font-family:var(--f-head); color:var(--teal-deep); background:var(--teal-soft); border-radius:6px; padding:.25rem .55rem; margin-right:.35rem; display:inline-block; margin-top:.2rem; }
.offer .meta{ text-align:right; min-width:120px; }
.offer .meta .n{ font-family:var(--f-head); font-size:1.5rem; color:var(--ink); }
.offer .meta .l{ font-size:.75rem; color:var(--muted); }
@media (max-width:760px){ .offer{ grid-template-columns:auto 1fr; } .offer .meta{ display:none; } }

/* ---------- footer ---------- */
.site-footer { background:var(--ink); color:#93A6C0; padding-block:clamp(2.5rem,5vw,3.5rem) 1.5rem; }
.footer-grid { display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:2rem; }
.site-footer h4 { color:#fff; font-size:.95rem; font-family:var(--f-head); margin-bottom:.9rem; }
.site-footer a { color:#93A6C0; display:block; padding:.22rem 0; font-size:.94rem; }
.site-footer a:hover{ color:var(--teal); }
.site-footer .brand{ color:#fff; margin-bottom:1rem; }
.footer-bottom { border-top:1px solid var(--ink-3); margin-top:2.5rem; padding-top:1.4rem; display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; font-size:.85rem; color:#6E82A0; }

/* ---------- divider waveform ---------- */
.wave-divider { display:block; width:100%; height:34px; color:var(--teal); opacity:.7; }

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; }
  .pillars, .client-grid{ grid-template-columns:repeat(2,1fr); }
  .pillar--wide{ grid-column: span 2; }
  .steps{ grid-template-columns:repeat(2,1fr); }
  .stats{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .split-feature, .two-col{ grid-template-columns:1fr; }
  .split-feature.rev .media{ order:0; }
}
@media (max-width: 620px){
  .nav-links{
    position:absolute; top:74px; left:0; right:0; background:#fff; flex-direction:column;
    align-items:flex-start; gap:0; padding:.5rem 1.15rem 1rem; border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-sm); display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ padding:.7rem 0; width:100%; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:block; }
  .nav-cta .btn{ display:none; }
  .pillars, .client-grid, .steps, .stats{ grid-template-columns:1fr; }
  .pillar--wide{ grid-column:span 1; }
  .footer-grid{ grid-template-columns:1fr; }
  .trust .wrap{ justify-content:flex-start; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
}

/* keyboard focus */
a:focus-visible, .btn:focus-visible, button:focus-visible { outline:3px solid var(--amber); outline-offset:2px; border-radius:6px; }