/* ==========================================================================
   Trident Commodities — site styles
   ========================================================================== */

:root{
  --ink:#0E2032;
  --navy:#1E4E78;
  --cyan:#00A3CC;
  --cyan-deep:#00789A;
  --ground:#F7F9FA;
  --surface:#FFFFFF;
  --surface-2:#EFF3F5;
  --text:#22323F;
  --muted:#5A6C7A;
  --rule:#D7DFE4;
  --rule-soft:#E6ECEF;
  --on-dark:#EAF1F5;
  --on-dark-muted:#A9BECC;
  --band:#0E2032;
  --band-2:#14293D;

  --display:'Archivo','Helvetica Neue',Arial,sans-serif;
  --body:'Source Serif 4',Georgia,'Times New Roman',serif;
  --mono:'IBM Plex Mono','SFMono-Regular',Consolas,monospace;

  --measure:66ch;
  --pad:clamp(20px,5vw,72px);
}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#0A141D;
    --surface:#10202D;
    --surface-2:#16293A;
    --text:#DCE7EE;
    --muted:#9DB2C0;
    --rule:#26404F;
    --rule-soft:#1D3242;
    --navy:#6FA8D6;
    --cyan:#2FBBE0;
    --cyan-deep:#2FBBE0;
    --ink:#DCE7EE;
    --band:#071019;
    --band-2:#0D1E2C;
  }
}
:root[data-theme="dark"]{
  --ground:#0A141D;
  --surface:#10202D;
  --surface-2:#16293A;
  --text:#DCE7EE;
  --muted:#9DB2C0;
  --rule:#26404F;
  --rule-soft:#1D3242;
  --navy:#6FA8D6;
  --cyan:#2FBBE0;
  --cyan-deep:#2FBBE0;
  --ink:#DCE7EE;
  --band:#071019;
  --band-2:#0D1E2C;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ground);
  color:var(--text);
  font-family:var(--body);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--cyan-deep);text-underline-offset:3px}

.wrap{max-width:1120px;margin-inline:auto;padding-inline:var(--pad)}

.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--cyan);color:#fff;padding:12px 20px;
  font-family:var(--display);font-size:13px;font-weight:600;
}
.skip:focus{left:0}

/* ---------- header ---------- */
.masthead{
  position:sticky;
  top:env(safe-area-inset-top,0px);
  z-index:40;
  background:color-mix(in srgb,var(--surface) 92%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--rule-soft);
}
.masthead-in{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding-block:12px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand img{height:48px;width:auto}
@media(max-width:480px){.brand img{height:38px}}
.brand .on-light{display:block}
.brand .on-dark{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .brand .on-light{display:none}
  :root:not([data-theme="light"]) .brand .on-dark{display:block}
}
:root[data-theme="dark"] .brand .on-light{display:none}
:root[data-theme="dark"] .brand .on-dark{display:block}

.nav{display:flex;align-items:center;gap:clamp(12px,2.2vw,28px);flex-wrap:wrap}
.nav a{
  font-family:var(--display);font-size:13px;font-weight:600;
  letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;padding-block:4px;
  border-bottom:2px solid transparent;white-space:nowrap;
}
.nav a:hover,.nav a:focus-visible{color:var(--ink);border-bottom-color:var(--cyan)}
.nav a.current{color:var(--ink);border-bottom-color:var(--cyan)}
.nav .btn-sm{
  background:var(--cyan);color:#fff;border-bottom:none;
  padding:9px 18px;border-radius:2px;letter-spacing:.08em;
}
.nav .btn-sm:hover,.nav .btn-sm.current{background:var(--navy);color:#fff;border-bottom:none}

/* ---------- hero (home) ---------- */
.hero{position:relative;background:var(--band);overflow:hidden;isolation:isolate}
.hero img.bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.42;z-index:-2;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(14,32,50,.94) 12%,rgba(14,32,50,.72) 48%,rgba(0,120,154,.38) 100%);
}
.hero-in{padding-block:clamp(56px,10vw,110px)}
.hero h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(34px,5.6vw,60px);line-height:1.05;letter-spacing:-.02em;
  color:#fff;margin:0 0 22px;max-width:19ch;text-wrap:balance;
}
.hero p.lede{
  color:#C9DCE8;font-size:clamp(17px,1.9vw,21px);line-height:1.6;
  max-width:54ch;margin:0 0 34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-strip{
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:0 clamp(24px,5vw,56px);
  padding-block:18px;
}
.hero-strip span{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;
  color:#9FBDCE;text-transform:uppercase;padding-block:4px;
}
.hero-strip span b{color:#fff;font-weight:500}

/* ---------- page header (inner pages) ---------- */
.page-head{
  background:var(--band);color:#fff;position:relative;
  padding-block:clamp(44px,7vw,80px);
}
.page-head .eyebrow{color:#5FD3F0}
.page-head h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(30px,4.6vw,48px);line-height:1.08;letter-spacing:-.02em;
  color:#fff;margin:0 0 18px;max-width:20ch;text-wrap:balance;
}
.page-head p{color:#C9DCE8;font-size:clamp(16.5px,1.7vw,19px);max-width:56ch;margin:0}

/* ---------- shared type ---------- */
.eyebrow{
  font-family:var(--display);font-size:12px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--cyan-deep);
  margin:0 0 20px;
}
.hero .eyebrow{color:#5FD3F0}

h2.sec{
  font-family:var(--display);font-weight:700;
  font-size:clamp(26px,3.4vw,38px);line-height:1.15;letter-spacing:-.015em;
  color:var(--ink);margin:0 0 18px;max-width:22ch;text-wrap:balance;
}
.band-dark h2.sec{color:#fff}
h3{
  font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.005em;
  color:var(--ink);margin:0 0 10px;
}
p{margin:0 0 18px;max-width:var(--measure)}
p:last-child{margin-bottom:0}

.btn{
  display:inline-block;font-family:var(--display);font-size:13.5px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;text-decoration:none;
  padding:15px 30px;border-radius:2px;transition:background .18s,color .18s,border-color .18s;
}
.btn-primary{background:var(--cyan);color:#fff}
.btn-primary:hover,.btn-primary:focus-visible{background:#fff;color:var(--band)}
.btn-ghost{border:1px solid rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover,.btn-ghost:focus-visible{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-outline{border:1px solid var(--rule);color:var(--ink)}
.btn-outline:hover,.btn-outline:focus-visible{border-color:var(--cyan);color:var(--cyan-deep)}

/* ---------- bands ---------- */
section{scroll-margin-top:90px}
.band{padding-block:clamp(52px,8vw,96px)}
.band-alt{background:var(--surface)}
.band-dark{background:var(--band-2);color:var(--on-dark)}
.band-dark p{color:var(--on-dark-muted)}

.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:start}
@media(max-width:820px){.two-col{grid-template-columns:1fr}}

/* ---------- pillars ---------- */
.pillars{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;background:var(--rule);border-block:1px solid var(--rule);
  margin-top:32px;
}
.pillar{background:var(--ground);padding:clamp(24px,3.4vw,38px) clamp(20px,2.6vw,32px)}
.band-alt .pillar{background:var(--surface)}
.pillar:first-child{padding-left:0}
.pillar:last-child{padding-right:0}
@media(max-width:760px){
  .pillars{grid-template-columns:1fr}
  .pillar{padding-inline:0}
}
.pillar .num{
  font-family:var(--mono);font-size:12px;color:var(--cyan-deep);
  letter-spacing:.1em;margin-bottom:14px;
}
.pillar p{font-size:15.5px;color:var(--muted);margin:0}

/* ---------- facts ---------- */
.facts{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:0}
.facts li{
  display:flex;justify-content:space-between;gap:20px;
  padding-block:13px;border-bottom:1px solid var(--rule-soft);
}
.facts .k{
  font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.11em;
  text-transform:uppercase;color:var(--muted);flex:0 0 auto;padding-top:3px;
}
.facts .v{font-family:var(--mono);font-size:14px;color:var(--ink);text-align:right}

/* ---------- product spec sheet ---------- */
.spec{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:clamp(22px,3vw,40px);margin-top:36px;
}
.spec-group{border-top:2px solid var(--cyan);padding-top:18px}
.spec-group > h3{font-size:15px;letter-spacing:.09em;text-transform:uppercase;margin-bottom:16px}
.spec-sub{margin-bottom:20px}
.spec-sub:last-child{margin-bottom:0}
.spec-sub h4{
  font-family:var(--display);font-size:12.5px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  margin:0 0 8px;
}
.grades{list-style:none;margin:0;padding:0}
.grades li{
  font-family:var(--mono);font-size:13.5px;line-height:1.5;
  color:var(--text);padding-block:5px;border-bottom:1px dotted var(--rule);
  display:flex;justify-content:space-between;gap:14px;
}
.grades li:last-child{border-bottom:none}
.grades li .tag{color:var(--muted);font-size:11.5px;letter-spacing:.06em;white-space:nowrap}

/* ---------- product intro blocks (What We Do) ---------- */
.prod{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,10fr);
  gap:clamp(24px,4vw,56px);align-items:start;
  padding-block:clamp(34px,5vw,54px);border-top:1px solid var(--rule);
}
.prod:first-of-type{border-top:none;padding-top:clamp(12px,2vw,20px)}
@media(max-width:860px){.prod{grid-template-columns:1fr;gap:20px}}
.prod h3{
  font-size:clamp(22px,2.8vw,29px);font-weight:700;letter-spacing:-.01em;
  margin-bottom:12px;
}
.prod .prod-note{font-size:16px;color:var(--muted);max-width:44ch}
.prod .spec{margin-top:0;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:clamp(20px,2.4vw,32px)}
.prod .spec-group{border-top:none;padding-top:0}

/* ---------- services ---------- */
.svc{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(28px,4vw,56px);margin-top:38px;
}
@media(max-width:700px){.svc{grid-template-columns:1fr}}
.svc-item{border-top:1px solid rgba(255,255,255,.22);padding-top:20px}
.svc-item h3{color:#fff;font-size:21px;margin-bottom:12px}
.svc-item > p{color:var(--on-dark-muted);font-size:16px;margin-bottom:16px;max-width:46ch}
.svc-item ul{list-style:none;margin:0;padding:0}
.svc-item li{font-family:var(--mono);font-size:13.5px;color:var(--on-dark-muted);padding-block:4px}
.svc-item li::before{content:"— ";color:var(--cyan)}

/* ---------- teaser cards (home) ---------- */
.teasers{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,2.4vw,28px);margin-top:36px;
}
@media(max-width:820px){.teasers{grid-template-columns:1fr}}
.teaser{
  background:var(--surface);border:1px solid var(--rule-soft);
  border-top:3px solid var(--cyan);
  padding:clamp(22px,2.6vw,30px);text-decoration:none;color:inherit;
  display:flex;flex-direction:column;gap:10px;
  transition:border-color .18s,transform .18s;
}
.band-alt .teaser{background:var(--ground)}
.teaser:hover,.teaser:focus-visible{border-color:var(--cyan);transform:translateY(-2px)}
.teaser h3{margin:0}
.teaser p{font-size:15.5px;color:var(--muted);margin:0}
.teaser .more{
  font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--cyan-deep);margin-top:auto;padding-top:8px;
}

/* ---------- leadership ---------- */
.people{display:grid;gap:clamp(36px,5vw,60px);margin-top:40px}
.person{display:grid;grid-template-columns:200px minmax(0,1fr);gap:clamp(24px,4vw,44px);align-items:start}
@media(max-width:700px){
  .person{grid-template-columns:1fr;gap:20px}
  .person .portrait{max-width:190px}
}
.portrait{position:relative}
.portrait img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:2px;filter:saturate(.95)}
.portrait::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:4px;background:var(--cyan)}
.person .role{
  font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--cyan-deep);margin:0 0 6px;
}
.person h3{font-size:24px;margin-bottom:14px}
.person p{font-size:16px;color:var(--muted);max-width:62ch}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(30px,5vw,64px);align-items:start}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.addr{font-style:normal;font-family:var(--mono);font-size:14.5px;line-height:1.8;color:var(--text)}
.addr a{color:var(--cyan-deep)}
.addr .label{
  display:block;font-family:var(--display);font-size:11.5px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:22px 0 6px;
}
.addr .label:first-child{margin-top:0}

form{display:grid;gap:16px}
label{
  font-family:var(--display);font-size:11.5px;font-weight:600;letter-spacing:.11em;
  text-transform:uppercase;color:var(--muted);display:block;margin-bottom:6px;
}
input,textarea,select{
  width:100%;font-family:var(--body);font-size:16px;color:var(--text);
  background:var(--surface);border:1px solid var(--rule);border-radius:2px;padding:12px 14px;
}
.band-alt input,.band-alt textarea,.band-alt select{background:var(--ground)}
input:focus,textarea:focus,select:focus{outline:2px solid var(--cyan);outline-offset:1px;border-color:var(--cyan)}
textarea{min-height:130px;resize:vertical}
button[type=submit]{
  justify-self:start;border:none;cursor:pointer;
  font-family:var(--display);font-size:13.5px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;background:var(--cyan);color:#fff;padding:15px 32px;border-radius:2px;
}
button[type=submit]:hover{background:var(--navy)}

/* ---------- CTA band ---------- */
.cta{
  background:var(--surface-2);color:var(--ink);
  padding-block:clamp(36px,5vw,58px);
  border-top:1px solid var(--rule);
}
.cta-in{display:flex;flex-wrap:wrap;gap:24px 40px;align-items:center;justify-content:space-between}
.cta h2{
  font-family:var(--display);font-weight:700;font-size:clamp(22px,2.8vw,30px);
  color:var(--ink);margin:0;max-width:24ch;letter-spacing:-.01em;text-wrap:balance;
}

/* ---------- footer ---------- */
footer{background:var(--band);color:var(--on-dark-muted);padding-block:44px 30px}
.foot-grid{display:flex;flex-wrap:wrap;gap:28px 56px;justify-content:space-between;align-items:flex-start}
footer img.mark{height:44px;width:auto;margin-bottom:16px}
footer p{font-size:14.5px;color:var(--on-dark-muted);max-width:42ch;margin:0}
.foot-links{display:flex;flex-direction:column;gap:9px}
.foot-links a{
  font-family:var(--display);font-size:12.5px;font-weight:600;letter-spacing:.09em;
  text-transform:uppercase;color:var(--on-dark-muted);text-decoration:none;
}
.foot-links a:hover{color:#fff}
.foot-contact{display:flex;flex-direction:column;gap:9px;font-family:var(--mono);font-size:13.5px}
.foot-contact a{color:var(--on-dark-muted);text-decoration:none}
.foot-contact a:hover{color:#fff}
.foot-base{
  border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:18px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-family:var(--mono);font-size:12px;color:#7D97A8;
}

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