/* ==========================================================================
   TRIDENT MANAGERS — design tokens
   Palette matched to the brand mark: ink navy + trident red, on warm white.
   Type: Fraunces / Public Sans / IBM Plex Mono.
   Signature device: the trident + wave logo mark (three disciplines, one firm).
   ========================================================================== */

:root{
  --navy-ink:   #081426;
  --navy:       #0F2345;
  --navy-mid:   #1B3560;
  --steel:      #3C567F;
  --steel-bright:#5E7DAA;
  --red:        #E10B1B;
  --red-bright: #FF4438;
  --red-soft:   #F0A6A6;
  --red-tint:   #FBE3E1;
  --cream:      #F7F3EA;
  --ink:        #10182A;
  --ink-soft:   #4A5468;
  --white:      #FFFFFF;
  --line:       rgba(225,11,27,0.28);
  --line-dark:  rgba(255,255,255,0.14);

  --display: "Fraunces", "Georgia", serif;
  --body: "Public Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  --max: 1200px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --radius: 2px;
}

html{ overflow-x:hidden; }
body{ overflow-x:hidden; }

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--cream);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--display); margin:0; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{ outline:2px solid var(--steel-bright); outline-offset:3px; }

.wrap{ max-width:var(--max); margin:0 auto; padding-left:var(--pad); padding-right:var(--pad); }

.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--red);
  display:flex; align-items:center; gap:0.6em;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--red);
  display:inline-block;
}
.on-dark .eyebrow{ color:var(--red-soft); }

section{ padding:clamp(4rem,8vw,7rem) 0; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:0.6em;
  padding:0.95em 1.6em;
  font-family:var(--mono);
  font-size:0.8rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{ background:var(--red); color:var(--white); }
.btn-primary:hover{ background:var(--red-bright); transform:translateY(-2px); }
.btn-ghost{ border-color:var(--line-dark); color:inherit; }
.btn-ghost:hover{ border-color:var(--red); color:var(--red); transform:translateY(-2px); }
.on-dark .btn-ghost{ border-color:rgba(255,255,255,0.3); color:var(--white); }
.on-light .btn-ghost{ border-color:rgba(16,24,42,0.25); }

/* ---------- header ---------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(7,20,38,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-dark);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:1.1rem var(--pad);
  max-width:var(--max); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:0.65em; color:var(--white); }
.brand svg{ width:26px; height:26px; }
.brand-icon{ height:30px; width:auto; display:block; }
.brand-word{ font-family:var(--display); font-size:1.15rem; letter-spacing:0.02em; }
.brand-word b{ color:var(--red); font-weight:600; }
.nav-links{ display:flex; align-items:center; gap:2.1rem; }
.nav-links a{
  color:rgba(255,255,255,0.78);
  font-family:var(--mono); font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase;
  transition:color .15s ease;
}
.nav-links a:hover, .nav-links a.active{ color:var(--red); }
.nav-cta{ display:flex; align-items:center; gap:1.4rem; }
.nav-toggle{ display:none; background:none; border:0; color:var(--white); }

@media (max-width:860px){
  .nav-links{
    position:fixed; inset:64px 0 auto 0; flex-direction:column; align-items:flex-start;
    background:var(--navy-ink); padding:1.5rem var(--pad) 2rem;
    gap:1.1rem; border-bottom:1px solid var(--line-dark);
    transform:translateY(-120%); transition:transform .25s ease;
    max-height:calc(100vh - 64px); overflow-y:auto;
  }
  .nav-links.open{ transform:translateY(0); }
  .nav-cta .btn-ghost{ display:none; }
  .nav-toggle{ display:block; }
}

@media (max-width:420px){
  .brand-word{ font-size:1rem; }
  .brand-icon{ height:26px; }
  .nav{ padding-top:0.9rem; padding-bottom:0.9rem; }
}

/* ---------- hero ---------- */
.hero{
  position:relative; overflow:hidden;
  background:linear-gradient(180deg, var(--navy-ink) 0%, var(--navy) 100%);
  color:var(--white);
  padding-top:clamp(4.5rem,10vw,7.5rem);
  padding-bottom:clamp(4.5rem,10vw,6rem);
}
.hero-photo{
  position:absolute; inset:0; overflow:hidden;
}
.hero-photo video{
  width:100%; height:100%; object-fit:cover; display:block;
  opacity:0.5;
}
.hero-fade{ position:absolute; inset:0; background:linear-gradient(180deg, rgba(8,20,38,0.28) 0%, rgba(8,20,38,0.58) 60%, var(--navy) 100%); }
.hero-mark{
  position:absolute; right:-6%; top:8%; width:46%; max-width:560px; opacity:0.16;
  pointer-events:none;
}
.hero-inner{ position:relative; z-index:2; max-width:760px; }
.hero h1{
  font-size:clamp(2.5rem, 5.4vw, 4.2rem); line-height:1.04; margin:1.1rem 0 1.4rem; color:var(--white);
}
.hero h1 em{ font-style:italic; color:var(--red-soft); }
.hero p.lede{ font-size:clamp(1.05rem,1.6vw,1.25rem); color:rgba(255,255,255,0.82); max-width:620px; margin-bottom:2.2rem; }
.hero-ctas{ display:flex; gap:1rem; flex-wrap:wrap; }

/* ---------- credibility strip ---------- */
.strip{
  background:var(--navy-ink); color:rgba(255,255,255,0.85);
  border-top:1px solid var(--line-dark); border-bottom:1px solid var(--line-dark);
}
.strip .wrap{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem;
  padding-top:1.6rem; padding-bottom:1.6rem;
}
.strip-item{
  font-family:var(--mono); font-size:0.78rem; letter-spacing:0.03em;
  padding-left:1.1rem; border-left:1px solid var(--line);
  display:flex; align-items:center;
}
.strip-item:first-child{ border-left:none; padding-left:0; }
@media (max-width:860px){
  .strip .wrap{ grid-template-columns:repeat(2,1fr); }
  .strip-item{ border-left:none; padding-left:0; }
}

/* ---------- section headings ---------- */
.section-head{ max-width:680px; margin-bottom:3rem; }
.section-head h2{ font-size:clamp(1.9rem,3.6vw,2.7rem); margin-top:0.9rem; }
.section-head p{ margin-top:1rem; color:var(--ink-soft); font-size:1.05rem; }
.on-dark .section-head p{ color:rgba(255,255,255,0.72); }

/* ---------- pillars (three prongs) ---------- */
.pillars{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.6rem; }
.pillar{
  background:var(--white); border:1px solid rgba(16,24,42,0.08);
  border-top:3px solid var(--red);
  padding:2.4rem 2rem; position:relative;
}
.pillar .num{ font-family:var(--mono); font-size:0.75rem; color:var(--red); letter-spacing:0.1em; }
.pillar svg{ width:38px; height:38px; margin:1.1rem 0 1.4rem; color:var(--navy); }
.pillar h3{ font-size:1.3rem; margin-bottom:0.7rem; }
.pillar p{ color:var(--ink-soft); font-size:0.97rem; }
@media (max-width:900px){ .pillars{ grid-template-columns:1fr; } }

/* ---------- audiences ---------- */
.audiences{ background:var(--navy-ink); color:var(--white); }
.aud-grid{ display:grid; grid-template-columns:1.1fr 1fr 1fr; gap:0; border:1px solid var(--line-dark); }
.aud-card{
  padding:2.6rem 2.2rem; border-left:1px solid var(--line-dark); position:relative; min-height:340px;
  display:flex; flex-direction:column; justify-content:flex-end;
}
.aud-card:first-child{ border-left:none; }
.aud-card.photo{
  background-size:cover; background-position:center;
}
.aud-card.photo::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(7,20,38,0.15) 0%, rgba(7,20,38,0.92) 88%);
}
.aud-card > *{ position:relative; z-index:2; }
.aud-card .eyebrow{ margin-bottom:0.8rem; }
.aud-card h3{ font-size:1.4rem; color:var(--white); margin-bottom:0.6rem; }
.aud-card p{ color:rgba(255,255,255,0.72); font-size:0.95rem; }
.aud-card svg{ width:34px; height:34px; margin-bottom:1rem; color:var(--red); }
@media (max-width:900px){
  .aud-grid{ grid-template-columns:1fr; }
  .aud-card{ border-left:none; border-top:1px solid var(--line-dark); }
  .aud-card:first-child{ border-top:none; }
}

/* ---------- process ---------- */
.process-list{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-top:1rem; }
.process-item{ padding:1.8rem 1.6rem 0 0; border-top:1px solid var(--line); }
.process-item .step{ font-family:var(--mono); color:var(--red); font-size:0.85rem; letter-spacing:0.08em; }
.process-item h3{ font-size:1.15rem; margin:0.7rem 0 0.5rem; }
.process-item p{ color:var(--ink-soft); font-size:0.93rem; }
@media (max-width:900px){ .process-list{ grid-template-columns:1fr 1fr; row-gap:2rem; } }
@media (max-width:560px){ .process-list{ grid-template-columns:1fr; } }

/* ---------- AI band ---------- */
.ai-band{
  position:relative; overflow:hidden;
  background:linear-gradient(135deg, var(--navy-ink) 0%, var(--navy-mid) 100%);
  color:var(--white);
}
.ai-band-grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:3rem; align-items:center; }
.ai-band h2{ color:var(--white); font-size:clamp(1.9rem,3.4vw,2.6rem); margin-top:0.9rem; }
.ai-band p{ color:rgba(255,255,255,0.75); margin-top:1.1rem; font-size:1.03rem; }
.ai-list{ margin-top:1.6rem; display:flex; flex-direction:column; gap:0.9rem; }
.ai-list li{ display:flex; gap:0.8em; align-items:flex-start; font-size:0.96rem; color:rgba(255,255,255,0.85); }
.ai-list svg{ width:16px; height:16px; flex:none; margin-top:0.3em; color:var(--red); }
.ai-graphic{ opacity:0.9; }
@media (max-width:900px){ .ai-band-grid{ grid-template-columns:1fr; } }

/* ---------- CTA band ---------- */
.cta-band{ background:var(--red-tint); }
.cta-band .wrap{ display:flex; justify-content:space-between; align-items:center; gap:2rem; flex-wrap:wrap; }
.cta-band h2{ font-size:clamp(1.7rem,3vw,2.3rem); max-width:560px; }
@media (max-width:700px){ .cta-band .wrap{ flex-direction:column; align-items:flex-start; } }

/* ---------- footer ---------- */
footer.site{ background:var(--navy-ink); color:rgba(255,255,255,0.65); }
.footer-top{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:2.5rem;
  padding-top:4rem; padding-bottom:3rem; border-bottom:1px solid var(--line-dark);
}
.footer-brand .brand{ margin-bottom:1.2rem; }
.footer-logo{ height:64px; width:auto; display:block; }
.footer-logo-link{ display:inline-flex; }
.footer-brand p{ max-width:280px; font-size:0.92rem; }
.footer-col h4{ font-family:var(--mono); color:var(--red-soft); font-size:0.75rem; letter-spacing:0.12em; text-transform:uppercase; margin-bottom:1.1rem; }
.footer-col li{ margin-bottom:0.7rem; font-size:0.92rem; }
.footer-col a:hover{ color:var(--red); }
.footer-bottom{ display:flex; justify-content:space-between; padding:1.6rem 0; font-size:0.8rem; flex-wrap:wrap; gap:0.6rem; }
@media (max-width:860px){ .footer-top{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-top{ grid-template-columns:1fr; } }

/* ---------- inner page header (services/about/contact) ---------- */
.page-hero{
  background:var(--navy-ink); color:var(--white);
  padding:clamp(3.5rem,8vw,5.5rem) 0 clamp(2.5rem,6vw,3.5rem);
  border-bottom:1px solid var(--line-dark);
}
.page-hero h1{ color:var(--white); font-size:clamp(2.1rem,4.2vw,3.2rem); margin-top:1rem; max-width:760px; }
.page-hero p{ color:rgba(255,255,255,0.72); margin-top:1.1rem; max-width:600px; font-size:1.05rem; }
.crumb{ font-family:var(--mono); font-size:0.75rem; color:rgba(255,255,255,0.5); letter-spacing:0.06em; text-transform:uppercase; }

/* ---------- services page ---------- */
.service-block{ display:grid; grid-template-columns:0.9fr 1.4fr; gap:3rem; padding:3rem 0; border-top:1px solid rgba(16,24,42,0.1); }
.service-block:first-of-type{ border-top:none; }
.service-block .tag{ font-family:var(--mono); font-size:0.75rem; color:var(--red); letter-spacing:0.1em; }
.service-block h2{ font-size:clamp(1.6rem,2.6vw,2.1rem); margin-top:0.8rem; }
.service-block .lede{ color:var(--ink-soft); margin-top:1rem; font-size:1.02rem; }
.service-list{ display:flex; flex-direction:column; gap:1rem; }
.service-list li{
  display:flex; gap:1rem; padding:1.1rem 0; border-bottom:1px solid rgba(16,24,42,0.08);
}
.service-list li:last-child{ border-bottom:none; }
.service-list .n{ font-family:var(--mono); color:var(--red); font-size:0.85rem; flex:none; width:2rem; }
.service-list h4{ font-size:1.05rem; margin-bottom:0.3rem; }
.service-list p{ color:var(--ink-soft); font-size:0.92rem; }
@media (max-width:860px){ .service-block{ grid-template-columns:1fr; gap:1.5rem; } }

/* ---------- about page ---------- */
.values{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.6rem; }
.value{ padding:2rem 0 0; border-top:1px solid rgba(16,24,42,0.12); }
.value .roman{ font-family:var(--display); font-style:italic; color:var(--red); font-size:1.3rem; }
.value h3{ margin:0.6rem 0 0.6rem; font-size:1.2rem; }
.value p{ color:var(--ink-soft); font-size:0.95rem; }
@media (max-width:860px){ .values{ grid-template-columns:1fr; } }

.split{ display:grid; grid-template-columns:1fr 1fr; gap:3.5rem; align-items:center; }
.split img{ border:1px solid rgba(16,24,42,0.1); }
@media (max-width:900px){ .split{ grid-template-columns:1fr; } }

/* ---------- contact page ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1.2fr; gap:3.5rem; }
.contact-info h3{ font-size:1.1rem; margin-bottom:0.6rem; }
.contact-info .item{ margin-bottom:1.8rem; }
.contact-info .item span{ display:block; font-family:var(--mono); font-size:0.72rem; color:var(--red); letter-spacing:0.1em; text-transform:uppercase; margin-bottom:0.4rem; }
.contact-info .item a, .contact-info .item p{ font-size:1.05rem; }

form.card{
  background:var(--white); border:1px solid rgba(16,24,42,0.1); border-top:3px solid var(--red);
  padding:2.4rem; display:grid; gap:1.3rem;
}
.field{ display:grid; gap:0.5rem; }
.field label{ font-family:var(--mono); font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--ink-soft); }
.field input, .field select, .field textarea{
  font-family:var(--body); font-size:0.98rem; padding:0.8em 0.9em;
  border:1px solid rgba(16,24,42,0.18); border-radius:var(--radius); background:var(--cream);
}
.field input:focus, .field select:focus, .field textarea:focus{ background:var(--white); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:1.3rem; }
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; } .field-row{ grid-template-columns:1fr; } }
.form-note{ font-size:0.85rem; color:var(--ink-soft); }
.form-status{ font-family:var(--mono); font-size:0.85rem; }

/* ---------- scroll reveal ---------- */
.reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }

@media (prefers-reduced-motion: reduce){
  .hero-photo video{ display:none; }
  .hero-photo{ background:var(--navy-ink) url('images/hero-video-poster.jpg') center/cover no-repeat; opacity:0.5; }
}
.reveal.revealed{ opacity:1; transform:none; }

/* utility */
.mt-lg{ margin-top:3rem; }
.text-center{ text-align:center; margin-left:auto; margin-right:auto; }