/* Silent Service Trading — site styles
   Parent brand: The Submarine Vet · Platform: Silent Service Trading · Product: Command Center */

:root{
  --navy-950:#080E19;
  --navy-900:#0B1220;
  --navy-850:#0F1A2B;
  --panel:#141B26;
  --panel-2:#18212F;
  --border:#243044;
  --border-soft:rgba(147,161,181,0.14);
  --text:#E6EBF2;
  --text-muted:#93A1B5;
  --text-faint:#8392A8;
  --steel:#5B8DB8;
  --steel-soft:rgba(91,141,184,0.16);
  --cyan:#38BDF8;
  --cyan-hover:#7DD3FC;
  --cyan-ink:#04131C;
  --amber:#E0B25A;
  --green:#4ADE9A;
  --radius:10px;
  --radius-sm:6px;
  --max:1200px;
  --sans:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --shadow:0 24px 60px -24px rgba(0,0,0,0.6);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*{transition:none!important;}}
body{
  margin:0;
  background:var(--navy-900);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cyan);text-decoration:none;}
a:hover{color:var(--cyan-hover);}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px;}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-0.015em;margin:0;font-weight:650;}
p{margin:0;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.skip{position:absolute;left:16px;top:-48px;z-index:100;background:var(--cyan);color:var(--cyan-ink);padding:10px 16px;border-radius:var(--radius-sm);font-weight:600;}
.skip:focus{top:12px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,18,32,0.88);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--border-soft);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px;}
.logo{display:flex;align-items:center;gap:12px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{width:30px;height:30px;flex:none;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:15px;font-weight:650;letter-spacing:0.01em;}
.logo-text span{font-size:11.5px;color:var(--text-muted);letter-spacing:0.04em;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{color:var(--text-muted);font-size:14.5px;font-weight:500;padding:8px 12px;border-radius:var(--radius-sm);}
.nav a:hover{color:var(--text);background:rgba(255,255,255,0.04);}
.nav a[aria-current="page"]{color:var(--text);}
.nav a[aria-current="page"]::after{content:"";display:block;height:2px;background:var(--cyan);border-radius:2px;margin-top:4px;}
.nav .btn{margin-left:10px;}
.menu-btn{display:none;background:none;border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);padding:8px 12px;font:inherit;font-size:14px;cursor:pointer;}
@media (max-width:880px){
  .menu-btn{display:inline-flex;align-items:center;gap:8px;}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
       background:var(--navy-900);border-bottom:1px solid var(--border);padding:8px 16px 16px;}
  .nav.open{display:flex;}
  .nav a{padding:14px 8px;border-bottom:1px solid var(--border-soft);border-radius:0;font-size:16px;}
  .nav a[aria-current="page"]::after{display:none;}
  .nav a[aria-current="page"]{color:var(--cyan);}
  .nav .btn{margin:14px 0 0;text-align:center;border-bottom:none;border-radius:var(--radius-sm);}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--sans);font-size:15px;font-weight:600;line-height:1;
  padding:14px 22px;border-radius:var(--radius-sm);border:1px solid transparent;
  cursor:pointer;transition:background .15s,border-color .15s,color .15s;white-space:nowrap;
}
.btn-primary{background:var(--cyan);color:var(--cyan-ink);}
.btn-primary:hover{background:var(--cyan-hover);color:var(--cyan-ink);}
.btn-secondary{background:transparent;color:var(--text);border-color:var(--border);}
.btn-secondary:hover{border-color:var(--steel);color:var(--text);background:var(--steel-soft);}
.btn-sm{padding:10px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- type helpers ---------- */
.eyebrow{font-family:var(--mono);font-size:12.5px;font-weight:500;letter-spacing:0.12em;text-transform:uppercase;color:var(--steel);margin-bottom:14px;}
.lead{font-size:19px;color:var(--text-muted);max-width:60ch;}
.muted{color:var(--text-muted);}
.small{font-size:14px;}

/* ---------- sections ---------- */
main{display:block;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--navy-850);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:16px;}
.section-head p{color:var(--text-muted);font-size:17.5px;}
@media (max-width:720px){ .section{padding:68px 0;} .section-head{margin-bottom:36px;} }

/* ---------- hero ---------- */
.hero{position:relative;padding:88px 0 72px;overflow:hidden;
  background:radial-gradient(1100px 520px at 75% -10%, rgba(91,141,184,0.22), transparent 60%),
             radial-gradient(700px 400px at 0% 0%, rgba(56,189,248,0.07), transparent 60%),
             var(--navy-900);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:56px;align-items:center;}
@media (min-width:1000px){ .hero-grid{grid-template-columns:minmax(0,0.9fr) minmax(0,1.1fr);} }
.hero h1{font-size:clamp(38px,5.4vw,62px);font-weight:700;letter-spacing:-0.025em;margin-bottom:22px;}
.hero h1 .accent{color:var(--cyan);}
.hero .lead{margin-bottom:32px;}
.hero-note{margin-top:18px;font-size:14px;color:var(--text-faint);}
.page-hero{padding:80px 0 56px;background:radial-gradient(900px 420px at 80% -20%, rgba(91,141,184,0.2), transparent 60%),var(--navy-900);border-bottom:1px solid var(--border-soft);}
.page-hero h1{font-size:clamp(34px,4.6vw,52px);font-weight:700;margin-bottom:18px;max-width:20ch;}

/* ---------- product shot / screenshot frame ---------- */
.shot{
  position:relative;border-radius:var(--radius);
  background:linear-gradient(180deg,#1A2333,#121925);
  border:1px solid var(--border);
  box-shadow:var(--shadow);overflow:hidden;
}
.shot-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;border-bottom:1px solid var(--border);background:#111824;}
.shot-bar i{width:10px;height:10px;border-radius:50%;background:#2A3548;}
.shot-bar span{margin-left:10px;font-family:var(--mono);font-size:11.5px;color:var(--text-faint);}
.shot img{width:100%;}
/* placeholder until real screenshots are added */
.shot-placeholder{
  aspect-ratio:16/10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  text-align:center;padding:24px;color:var(--text-faint);
  background:
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(147,161,181,0.06) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(147,161,181,0.06) 31px 32px);
}
.shot-placeholder strong{color:var(--text-muted);font-size:15px;font-weight:600;}
.shot-placeholder span{font-family:var(--mono);font-size:12px;}

/* ---------- trust strip ---------- */
.strip{border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);background:var(--navy-950);}
.strip ul{list-style:none;margin:0;padding:22px 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px;}
@media (min-width:900px){ .strip ul{grid-template-columns:repeat(4,minmax(0,1fr));} }
.strip li{display:flex;align-items:center;gap:12px;color:var(--text-muted);font-size:14.5px;}
.strip svg{width:20px;height:20px;flex:none;color:var(--steel);}

/* ---------- cards ---------- */
.grid-4{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;}
@media (min-width:640px){ .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1080px){ .grid-4{grid-template-columns:repeat(4,minmax(0,1fr));} }
.grid-3{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;}
@media (min-width:860px){ .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));} }
.grid-2{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;}
@media (min-width:820px){ .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));} }
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:28px;}
a.card{display:block;color:var(--text);transition:border-color .15s,transform .15s;}
a.card:hover{border-color:var(--steel);color:var(--text);}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{color:var(--text-muted);font-size:15px;}
.card .more{display:inline-block;margin-top:16px;font-size:14px;font-weight:600;color:var(--cyan);}
.icon{width:42px;height:42px;border-radius:9px;display:grid;place-items:center;background:var(--steel-soft);color:var(--cyan);margin-bottom:18px;}
.icon svg{width:22px;height:22px;}

/* ---------- walkthrough rows ---------- */
.row{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:center;}
.row + .row{margin-top:88px;}
@media (min-width:960px){
  .row{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:64px;}
  .row.flip{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);}
  .row.flip > :first-child{order:2;}
}
.row h3{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px;}
.row p{color:var(--text-muted);margin-bottom:18px;}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.checks li{position:relative;padding-left:28px;color:var(--text);font-size:15.5px;}
.checks li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  background:var(--steel-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.8' fill='none' stroke='%2338BDF8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;}
.checks li span{color:var(--text-muted);}

/* ---------- feature categories (Command Center page) ---------- */
.cat{scroll-margin-top:96px;}
.cat + .cat{margin-top:96px;}
.cat-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:32px;max-width:760px;}
.cat-head .icon{margin:0;flex:none;}
.cat-head h2{font-size:clamp(26px,3vw,34px);margin-bottom:8px;}
.cat-head p{color:var(--text-muted);}
.feature-list{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;}
@media (min-width:760px){ .feature-list{grid-template-columns:repeat(2,minmax(0,1fr));} }
.feature{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;}
.feature h3{font-size:16.5px;margin-bottom:6px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.feature p{color:var(--text-muted);font-size:15px;}
.badge{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;
  padding:3px 8px;border-radius:999px;border:1px solid;}
.badge-available{color:var(--green);border-color:rgba(74,222,154,0.35);background:rgba(74,222,154,0.08);}
.badge-planned{color:var(--amber);border-color:rgba(224,178,90,0.4);background:rgba(224,178,90,0.08);}
.badge-early{color:var(--cyan);border-color:rgba(56,189,248,0.35);background:rgba(56,189,248,0.08);}
.legend{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:14px;color:var(--text-muted);}
.subnav{position:sticky;top:68px;z-index:40;background:rgba(15,26,43,0.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border-soft);}
.subnav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;overflow-x:auto;}
.subnav a{display:block;padding:14px 16px;color:var(--text-muted);font-size:14.5px;font-weight:500;white-space:nowrap;}
.subnav a:hover{color:var(--text);}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;align-items:stretch;}
@media (min-width:920px){ .plans{grid-template-columns:repeat(3,minmax(0,1fr));} }
.plan{position:relative;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;}
.plan.featured{border-color:var(--steel);background:linear-gradient(180deg,rgba(91,141,184,0.12),var(--panel) 40%);}
.plan-flag{position:absolute;top:-12px;left:28px;}
.plan h2,.plan h3{font-size:18px;margin-bottom:6px;}
.plan .plan-sub{color:var(--text-muted);font-size:14.5px;margin-bottom:22px;min-height:2.6em;}
.price{font-size:44px;font-weight:700;letter-spacing:-0.03em;line-height:1;}
.price small{font-size:15px;font-weight:500;color:var(--text-muted);letter-spacing:0;margin-left:6px;}
.price-note{font-size:14px;color:var(--text-muted);margin:10px 0 24px;}
.plan .checks{margin-bottom:28px;flex:1;}
.plan .checks li{font-size:15px;}
.reqs{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:28px;padding:20px 24px;border:1px solid var(--border);border-radius:var(--radius);background:var(--navy-850);font-size:14.5px;color:var(--text-muted);}
.reqs strong{color:var(--text);font-weight:600;}
.notice{display:flex;gap:14px;align-items:flex-start;padding:18px 22px;border-radius:var(--radius);border:1px solid rgba(56,189,248,0.3);background:rgba(56,189,248,0.06);color:var(--text);font-size:15px;margin-bottom:40px;}
.notice svg{width:20px;height:20px;flex:none;margin-top:2px;color:var(--cyan);}
.notice p + p{margin-top:6px;}
.notice .muted{font-size:14.5px;}

/* ---------- compare table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px;}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--border-soft);}
thead th{font-size:13px;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;color:var(--text-muted);background:var(--navy-850);}
tbody th{font-weight:500;color:var(--text);}
td{color:var(--text-muted);}
tr:last-child th,tr:last-child td{border-bottom:none;}
.yes{color:var(--green);font-weight:600;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;}
.faq details{border-bottom:1px solid var(--border);}
.faq details:first-child{border-top:1px solid var(--border);}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-weight:600;font-size:16.5px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"";width:12px;height:12px;flex:none;border-right:2px solid var(--steel);border-bottom:2px solid var(--steel);transform:rotate(45deg) translateY(-3px);transition:transform .2s;}
.faq details[open] summary::after{transform:rotate(-135deg) translateY(-3px);}
.faq details > div{padding:0 0 22px;color:var(--text-muted);max-width:72ch;}
.faq details > div p + p{margin-top:10px;}

/* ---------- founder ---------- */
.founder{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:center;}
@media (min-width:900px){ .founder{grid-template-columns:minmax(0,0.8fr) minmax(0,1.2fr);gap:64px;} }
.founder-mark{aspect-ratio:1/1;max-width:380px;border-radius:var(--radius);border:1px solid var(--border);
  background:radial-gradient(circle at 50% 50%, rgba(91,141,184,0.18), transparent 65%),var(--panel);display:grid;place-items:center;}
.founder-mark svg{width:58%;height:auto;}
.founder h2{font-size:clamp(26px,3vw,36px);margin-bottom:16px;}
.founder p{color:var(--text-muted);}
.founder p + p{margin-top:14px;}
.quote{margin:24px 0 0;padding:4px 0 4px 18px;border-left:3px solid var(--steel);color:var(--text);font-size:18px;}

/* ---------- prose (about/support) ---------- */
.prose{max-width:720px;}
.prose h2{font-size:clamp(24px,2.6vw,30px);margin:56px 0 16px;}
.prose h2:first-child{margin-top:0;}
.prose h3{font-size:18px;margin:32px 0 10px;}
.prose p,.prose li{color:var(--text-muted);}
.prose p + p{margin-top:14px;}
.prose ul,.prose ol{padding-left:22px;margin:14px 0;}
.prose li + li{margin-top:8px;}
.prose strong{color:var(--text);}
.steps{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;gap:16px;}
@media (min-width:900px){ .steps{grid-template-columns:repeat(4,minmax(0,1fr));} }
.steps li{counter-increment:s;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;color:var(--text-muted);font-size:15px;}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;font-family:var(--mono);color:var(--cyan);font-size:13px;letter-spacing:0.08em;margin-bottom:12px;}
.steps li strong{display:block;color:var(--text);font-size:16.5px;margin-bottom:6px;}
.contact-card{display:flex;flex-direction:column;gap:6px;}
.contact-card a{font-size:17px;font-weight:600;word-break:break-word;}
.follow{display:flex;flex-wrap:wrap;gap:10px;}
.follow a{display:inline-flex;align-items:center;padding:9px 14px;border:1px solid var(--border);border-radius:999px;color:var(--text-muted);font-size:14px;}
.follow a:hover{color:var(--text);border-color:var(--steel);}

/* ---------- CTA band ---------- */
.cta{border-radius:16px;padding:56px 40px;text-align:center;border:1px solid var(--border);
  background:radial-gradient(700px 300px at 50% 0%, rgba(56,189,248,0.12), transparent 70%),var(--panel);}
.cta h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:14px;}
.cta p{color:var(--text-muted);max-width:56ch;margin:0 auto 28px;}
.cta .btn-row{justify-content:center;}
@media (max-width:600px){ .cta{padding:40px 22px;} }

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border-soft);background:var(--navy-950);padding:64px 0 40px;font-size:14.5px;}
.foot-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;margin-bottom:44px;}
@media (min-width:760px){ .foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;} }
.foot-brand p{color:var(--text-muted);margin-top:14px;max-width:34ch;}
.foot-col h2{font-size:13px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-faint);margin-bottom:14px;}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.foot-col a{color:var(--text-muted);}
.foot-col a:hover{color:var(--text);}
.disclaimer{color:var(--text-faint);font-size:13px;line-height:1.6;max-width:110ch;border-top:1px solid var(--border-soft);padding-top:28px;}
.disclaimer + .disclaimer{border-top:none;padding-top:10px;}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:24px;color:var(--text-faint);font-size:13px;}

/* accessibility fixes */
.nav a.btn-primary,.nav a.btn-primary:hover{color:var(--cyan-ink);background:var(--cyan);}
.nav a.btn-primary:hover{background:var(--cyan-hover);}
p a,li a,.faq a,.notice a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.nav a,.btn,.card a,.follow a,.foot-col a,.foot-bottom a,a.card .more,.logo{text-decoration:none;}
.subnav a{text-decoration:none;}
.plan-flag{background:#2A2414;}
.shot{margin:0;}
.shot-bar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;}
.shot-real{background:#000;}
.shot-real img{display:block;width:100%;height:auto;}