/* Seismic Training Solutions — navy and brass theme from the logo.
   The hero trace settles from noisy to steady: performance improvement as a signal. */
:root{
  --night:#0d1522;
  --hull:#152235;
  --tar:#1c2c44;
  --deep:#0a111c;
  --brass:#c4a24e;
  --brass-dim:#8f7838;
  --frost:#e7e3d8;
  --mist:#9fa9b8;
  --ember:#d9693a;
  --seis:#5b89d4;
  --display:"Cinzel","Trajan Pro",Georgia,serif;
  --body:"Alegreya Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--frost);font-family:var(--body);font-size:1.1rem;line-height:1.6}
img{max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3,h4{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.15;font-weight:700}
h1{font-size:clamp(2.1rem,5.4vw,3.6rem);font-weight:900;letter-spacing:.01em}
h1 em,h2 em{font-style:normal;color:var(--brass)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);letter-spacing:.02em}
h3{font-size:1.2rem;letter-spacing:.04em}
p{margin:0;max-width:66ch}
a{color:var(--brass)}
a:hover{color:var(--frost)}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
.eyebrow{font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass)}
.muted{color:var(--mist)}
.lede{font-size:1.25rem;color:var(--mist);max-width:58ch}
.ph{background:rgba(217,105,58,.14);color:#f0a37f;border:1px dashed rgba(217,105,58,.6);border-radius:3px;padding:0 5px;font-family:var(--mono);font-size:.8em}
.skip{position:absolute;left:-999px;top:8px;background:var(--brass);color:var(--night);padding:8px 12px;z-index:50}
.skip:focus{left:12px}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--deep)}
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(10,17,28,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--tar)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--frost);font-family:var(--display);font-weight:900;letter-spacing:.1em;font-size:1.1rem;line-height:1.05}
.logo small{display:block;font-family:var(--body);font-weight:500;letter-spacing:.04em;color:var(--brass);font-size:.78rem}
.logo svg{flex:none}
.menu{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.menu a{color:var(--mist);text-decoration:none;font-family:var(--mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase}
.menu a:hover,.menu a[aria-current="page"]{color:var(--frost)}
.menu a[aria-current="page"]{border-bottom:1px solid var(--brass);padding-bottom:3px}
.menu-toggle{display:none;background:none;border:1px solid var(--tar);color:var(--frost);border-radius:4px;padding:8px 12px;font-family:var(--mono);font-size:.75rem;letter-spacing:.1em;cursor:pointer}
@media (max-width:900px){
  .menu-toggle{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--deep);border-bottom:1px solid var(--tar);padding:8px max(20px,env(safe-area-inset-left,0px)) 16px}
  .menu.open{display:flex}
  .menu li a{display:block;padding:12px 0;border-bottom:1px solid var(--tar)}
  .menu li:last-child a{border-bottom:0}
  .menu .btn{margin-top:12px;text-align:center}
}

/* buttons */
.btn{display:inline-block;font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;padding:12px 20px;border-radius:3px;text-decoration:none;border:1px solid var(--brass);color:var(--frost);background:transparent;cursor:pointer;transition:background .15s,color .15s}
.btn:hover{background:rgba(196,162,78,.15);color:var(--frost)}
.btn.solid{background:var(--brass);color:var(--night);font-weight:500}
.btn.solid:hover{background:#d6b45f;color:var(--night)}
.menu .btn{color:var(--night)}
.ctas{display:flex;flex-wrap:wrap;gap:12px}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--tar);background:linear-gradient(180deg,var(--deep) 0%,#101c2e 62%,var(--night) 100%)}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.6;pointer-events:none}
.hero .wrap{position:relative;display:grid;gap:22px;padding-block:88px 150px}
.hero h1{max-width:17ch}
.page-hero .wrap{padding-block:64px 130px}
.page-hero h1{font-size:clamp(2rem,4.6vw,3rem);max-width:22ch}
.page-hero .icon{width:52px;height:52px}

.trust{background:var(--hull);border-bottom:1px solid var(--tar)}
.trust .wrap{display:flex;flex-wrap:wrap;gap:10px 32px;padding-block:16px;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;color:var(--mist);text-transform:uppercase}

/* sections */
.section{padding-block:64px;border-bottom:1px solid var(--tar)}
.section.alt{background:#0f1a2a}
.section-head{display:grid;gap:12px;margin-bottom:36px}

.fleet{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:18px}
.ship{border:1px solid var(--tar);border-radius:4px;padding:24px;display:grid;gap:10px;align-content:start;background:var(--hull);text-decoration:none;color:var(--frost);transition:border-color .15s,transform .15s;min-width:0}
a.ship:hover{border-color:var(--brass);transform:translateY(-2px);color:var(--frost)}
.ship .icon{display:block}
.ship b{font-family:var(--display);letter-spacing:.08em;font-size:1.15rem}
.ship .role{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--seis)}
.ship p{font-size:.98rem;color:var(--mist)}
.ship .more{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brass);margin-top:4px}

.path{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));border:1px solid var(--tar);border-radius:4px;overflow:hidden;background:var(--hull)}
.step{padding:24px;display:grid;gap:8px;align-content:start;border-right:1px solid var(--tar);text-decoration:none;color:var(--frost);min-width:0}
.step:last-child{border-right:0}
a.step:hover{background:#1a2a40;color:var(--frost)}
.step .n{font-family:var(--mono);font-size:.72rem;color:var(--brass);letter-spacing:.12em}
.step b{font-family:var(--display);font-size:1.1rem;letter-spacing:.04em}
.step p{font-size:.95rem;color:var(--mist)}
@media (max-width:700px){.step{border-right:0;border-bottom:1px solid var(--tar)}.step:last-child{border-bottom:0}}

.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:40px;align-items:start}
.split > *{min-width:0}
.panel{background:var(--hull);border:1px solid var(--tar);border-radius:6px;padding:28px;display:grid;gap:12px;align-content:start}
.list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.list li{display:grid;grid-template-columns:auto 1fr;gap:12px}
.list li::before{content:"";width:7px;height:7px;background:var(--brass);margin-top:.62em;transform:rotate(45deg)}
.stack{display:grid;gap:18px}

.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:18px}
.fact{border-top:2px solid var(--brass);padding-top:14px;display:grid;gap:4px;align-content:start}
.fact b{font-family:var(--display);font-size:2rem;color:var(--frost);font-variant-numeric:tabular-nums}
.fact span{color:var(--mist);font-size:.95rem}

.quote{display:grid;gap:12px}
.quote blockquote{margin:0;max-width:40ch;font-family:var(--display);font-size:1.4rem;line-height:1.35}

.cta-band{background:linear-gradient(120deg,#152235,#1d2c45);border-bottom:1px solid var(--tar)}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding-block:56px}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:18px}
.card{background:var(--hull);border:1px solid var(--tar);border-radius:4px;padding:24px;display:grid;gap:10px;align-content:start;min-width:0}
.cards.four{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
a.card{text-decoration:none;color:var(--frost);transition:border-color .15s}
a.card:hover{border-color:var(--brass);color:var(--frost)}
.card .more{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brass)}
.card .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--seis)}

.faq{display:grid;gap:10px;max-width:820px}
.faq details{border:1px solid var(--tar);border-radius:4px;background:var(--hull)}
.faq summary{cursor:pointer;padding:16px 20px;font-family:var(--display);font-weight:700;letter-spacing:.02em}
.faq details p{padding:0 20px 18px;color:var(--mist)}

/* form */
form.contact{display:grid;gap:16px}
.field{display:grid;gap:6px}
.field label{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mist)}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;color:var(--frost);background:var(--deep);border:1px solid var(--tar);border-radius:4px;padding:12px 14px;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brass);outline:none}
.row2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:16px}
.form-note{font-size:.95rem}
.form-note[data-state="ok"]{color:#9fd3a8}
.form-note[data-state="err"]{color:#f0a37f}

/* footer */
.site-footer{background:var(--deep);padding-block:56px 40px;color:var(--mist);font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:32px}
.foot-grid h4{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);font-weight:500;margin-bottom:12px}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot-grid a{color:var(--mist);text-decoration:none}
.foot-grid a:hover{color:var(--frost)}
.foot-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:40px;padding-top:20px;border-top:1px solid var(--tar);font-family:var(--mono);font-size:.74rem}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero canvas{display:none}a.ship:hover{transform:none}}

/* official logo, home banner and the Train · Develop · Examine · Achieve pillars */
.logo img{display:block;height:48px;width:auto}
.site-footer .logo img{height:60px}
.pillars-line{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brass)}
.banner{background:var(--deep);border-bottom:1px solid var(--tar);line-height:0}
.banner img{display:block;width:100%;max-width:1600px;height:auto;aspect-ratio:16/9;object-fit:cover;margin:0 auto}
.banner + .hero .wrap{padding-block:64px 150px}
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:18px}
.pillar{border-top:2px solid var(--brass);padding-top:18px;display:grid;gap:10px;align-content:start;min-width:0}
.pillar h3{font-size:1.5rem;color:var(--brass)}
.pillar ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.pillar a{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;color:var(--frost);text-decoration:none;border-bottom:1px solid var(--tar)}
.pillar a:hover{border-color:var(--brass)}
.about-img{border-radius:6px;border:1px solid var(--tar);width:100%;height:auto}
.cards.themes .card{border-top:3px solid var(--brass)}
.cards.themes h3{font-size:1.35rem;color:var(--frost)}
.motto{font-family:var(--display);font-size:1.15rem;color:var(--brass);letter-spacing:.02em;margin-top:24px}
.stack .motto{margin-top:0}