/* Black Belt Cyber Security — base styles */

:root{
  --paper:#F6F3ED;
  --paper-2:#EFEBE2;
  --paper-3:#E9E4D9;
  --ink:#1C1B18;
  --ink-2:#4C4840;
  --ink-3:#7C7669;
  --rule:#D9D3C6;
  --rule-strong:#C3BBAA;
  --accent:#2E4A3A;
  --accent-hover:#22382B;
  --accent-soft:#E5EAE3;
  --maxw:1160px;
  --gut:clamp(20px,5vw,48px);
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg{max-width:100%;display:block}
a{color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
.narrow{max-width:760px}
.mid{max-width:920px}

/* ---------- typography ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;margin:0;letter-spacing:-0.015em;color:var(--ink)}
h1{font-size:clamp(2.45rem,6vw,4.15rem);line-height:1.06}
h2{font-size:clamp(1.9rem,3.9vw,2.85rem);line-height:1.14}
h3{font-size:clamp(1.24rem,2vw,1.5rem);line-height:1.28}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}

.eyebrow{
  font-family:var(--sans);
  font-size:.735rem;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink-3);
  margin:0 0 1.5rem;
  display:flex;align-items:center;gap:.85rem;
}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--rule);max-width:120px}

.lede{font-size:clamp(1.09rem,1.7vw,1.29rem);line-height:1.6;color:var(--ink-2)}
.muted{color:var(--ink-2)}
.small{font-size:.925rem;color:var(--ink-2)}
.fine{font-size:.85rem;color:var(--ink-3);line-height:1.6}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--sans);font-size:.94rem;font-weight:550;letter-spacing:.005em;
  padding:.82rem 1.5rem;border-radius:2px;border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
  line-height:1.2;
}
.btn-primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-primary:hover{background:var(--accent);border-color:var(--accent)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--rule-strong)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(28,27,24,.035)}
.btn-sm{padding:.62rem 1.05rem;font-size:.875rem}

.textlink{
  display:inline-flex;align-items:center;gap:.45rem;
  font-weight:550;font-size:.95rem;text-decoration:none;color:var(--accent);
  border-bottom:1px solid rgba(46,74,58,.3);padding-bottom:2px;
  transition:border-color .18s ease;
}
.textlink:hover{border-bottom-color:var(--accent)}
.textlink .arw{transition:transform .18s ease}
.textlink:hover .arw{transform:translateX(3px)}

.btn-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}

/* ---------- skip link ---------- */
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:.7rem 1.1rem;z-index:200}
.skip:focus{left:8px;top:8px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:1px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,243,237,.93);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--rule);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);
  height:74px;display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;flex-shrink:0}
.brand-mark{width:26px;height:26px;flex-shrink:0}
.brand-name{display:flex;flex-direction:column;line-height:1.06}
.brand-name .l1{font-family:var(--sans);font-size:.845rem;font-weight:650;letter-spacing:.13em;text-transform:uppercase}
.brand-name .l2{font-family:var(--sans);font-size:.66rem;font-weight:500;letter-spacing:.17em;text-transform:uppercase;color:var(--ink-3)}

.nav{display:flex;align-items:center;gap:2rem}
.nav a{
  text-decoration:none;font-size:.925rem;font-weight:500;color:var(--ink-2);
  padding:.3rem 0;border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease;
}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}
.header-cta{display:flex;align-items:center;gap:1.4rem}

.menu-btn{
  display:none;background:none;border:1px solid var(--rule-strong);border-radius:2px;
  width:42px;height:38px;align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.menu-btn span{display:block;width:17px;height:1.5px;background:var(--ink);position:relative;transition:background .15s}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:17px;height:1.5px;background:var(--ink);transition:transform .2s ease}
.menu-btn span::before{top:-5.5px}
.menu-btn span::after{top:5.5px}
.menu-btn[aria-expanded="true"] span{background:transparent}
.menu-btn[aria-expanded="true"] span::before{transform:translateY(5.5px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span::after{transform:translateY(-5.5px) rotate(-45deg)}

.mobile-nav{display:none;border-top:1px solid var(--rule);background:var(--paper)}
.mobile-nav.open{display:block}
.mobile-nav ul{list-style:none;margin:0;padding:.5rem var(--gut) 1.4rem}
.mobile-nav li{border-bottom:1px solid var(--rule)}
.mobile-nav li:last-child{border-bottom:none;padding-top:1rem}
.mobile-nav a{display:block;padding:1rem 0;text-decoration:none;font-size:1.02rem;color:var(--ink)}
.mobile-nav .btn{width:100%}

@media (max-width:900px){
  .nav,.header-cta .btn{display:none}
  .menu-btn{display:flex}
  .header-inner{height:66px}
}

/* ---------- sections ---------- */
section{padding-block:clamp(4.2rem,9vw,7.5rem)}
.tint{background:var(--paper-2)}
.tint-deep{background:var(--paper-3)}
.bordered{border-top:1px solid var(--rule)}

.hero{padding-block:clamp(4.5rem,11vw,9rem) clamp(4rem,8vw,6.5rem)}
.hero h1{max-width:15ch}
.hero .lede{max-width:56ch;margin-top:1.6rem;font-size:clamp(1.12rem,1.85vw,1.36rem)}
.hero .btn-row{margin-top:2.6rem}
.hero-meta{
  margin-top:3.4rem;padding-top:1.4rem;border-top:1px solid var(--rule);
  display:flex;flex-wrap:wrap;gap:.55rem 1.5rem;font-size:.84rem;color:var(--ink-3);
  letter-spacing:.04em;
}
.hero-meta span{display:flex;align-items:center;gap:.55rem}
.dot{width:3px;height:3px;border-radius:50%;background:var(--rule-strong);flex-shrink:0}

.section-head{max-width:660px;margin-bottom:clamp(2.6rem,5vw,4rem)}
.section-head p{margin-top:1.35rem}

/* ---------- two-column gap panels ---------- */
.gap-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem)}
@media (max-width:820px){.gap-grid{grid-template-columns:1fr;gap:2.5rem}}
.panel-title{
  font-family:var(--sans);font-size:.75rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-3);padding-bottom:1rem;border-bottom:1px solid var(--rule-strong);margin-bottom:.35rem;
}
.tick-list{list-style:none;margin:0;padding:0}
.tick-list li{
  display:flex;gap:.9rem;align-items:baseline;
  padding:1.05rem 0;border-bottom:1px solid var(--rule);font-size:1.01rem;color:var(--ink-2);
}
.tick-list li:last-child{border-bottom:none}
.tick-list .mk{flex-shrink:0;width:14px;color:var(--ink-3);font-size:.9rem;line-height:1.55}
.tick-list.open-doors li{color:var(--ink)}
.tick-list.open-doors .mk{color:var(--accent)}

.aside-note{
  margin-top:clamp(2.6rem,5vw,3.6rem);padding:clamp(1.6rem,3vw,2.2rem);
  background:var(--paper);border-left:2px solid var(--accent);
}
.tint .aside-note{background:#FBF9F5}
.aside-note p{font-size:1.06rem;color:var(--ink)}

/* ---------- pull quote ---------- */
.pull{max-width:900px}
.pull p{
  font-family:var(--serif);font-size:clamp(1.55rem,3.4vw,2.35rem);line-height:1.28;
  letter-spacing:-0.015em;color:var(--ink);
}
.pull .after{
  font-family:var(--sans);font-size:1.05rem;line-height:1.62;color:var(--ink-2);
  max-width:62ch;margin-top:2rem;letter-spacing:0;
}

/* ---------- numbered cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
@media (max-width:880px){.cards{grid-template-columns:1fr}}
.card{background:var(--paper);padding:clamp(1.7rem,3vw,2.4rem)}
.tint .card{background:var(--paper-2)}
.card .num{
  font-family:var(--sans);font-size:.72rem;font-weight:600;letter-spacing:.16em;color:var(--accent);
  margin-bottom:1.5rem;display:block;
}
.card h3{margin-bottom:.85rem}
.card p{font-size:.97rem;color:var(--ink-2)}
.card .example{
  margin-top:1.35rem;padding-top:1.15rem;border-top:1px solid var(--rule);
  font-size:.9rem;color:var(--ink-3);line-height:1.6;
}
.card .example strong{color:var(--ink-2);font-weight:600;display:block;margin-bottom:.3rem;
  font-size:.72rem;letter-spacing:.13em;text-transform:uppercase}

/* ---------- steps ---------- */
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{
  counter-increment:s;display:grid;grid-template-columns:64px 1fr;gap:clamp(1rem,3vw,2.5rem);
  padding:clamp(1.7rem,3vw,2.3rem) 0;border-top:1px solid var(--rule);
}
.steps li:last-child{border-bottom:1px solid var(--rule)}
.steps li::before{
  content:"0" counter(s);font-family:var(--sans);font-size:.78rem;font-weight:600;
  letter-spacing:.1em;color:var(--ink-3);padding-top:.4rem;
}
.steps h3{margin-bottom:.6rem}
.steps p{color:var(--ink-2);max-width:60ch;font-size:1rem}
@media (max-width:640px){.steps li{grid-template-columns:1fr;gap:.7rem}
  .steps li::before{padding-top:0}}

/* ---------- plain list (not included / commitments) ---------- */
.plain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(2rem,5vw,4rem)}
@media (max-width:760px){.plain-grid{grid-template-columns:1fr}}
.plain-grid li{
  list-style:none;padding:.95rem 0;border-bottom:1px solid var(--rule);
  font-size:1rem;color:var(--ink-2);
}
.plain-grid ul{margin:0;padding:0}

.commit{list-style:none;margin:0;padding:0}
.commit li{padding:clamp(1.5rem,3vw,2rem) 0;border-top:1px solid var(--rule)}
.commit li:last-child{border-bottom:1px solid var(--rule)}
.commit h3{margin-bottom:.55rem}
.commit p{color:var(--ink-2);max-width:64ch;font-size:1rem}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);color:var(--paper)}
.cta-band h2,.cta-band h3{color:var(--paper)}
.cta-band p{color:#C9C3B6;max-width:54ch}
.cta-band .btn-primary{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.cta-band .btn-primary:hover{background:#FFF;border-color:#FFF}
.cta-band .btn-ghost{color:var(--paper);border-color:rgba(246,243,237,.35)}
.cta-band .btn-ghost:hover{border-color:var(--paper);background:rgba(246,243,237,.08)}
.cta-band .btn-row{margin-top:2.2rem}
.cta-band .fine{color:#9C968A;margin-top:1.8rem}
.cta-band a.plain{color:var(--paper)}

/* ---------- contact form ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2.5rem,6vw,5.5rem);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:3rem}}
.field{margin-bottom:1.5rem}
.field label{
  display:block;font-size:.78rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-2);margin-bottom:.55rem;
}
.field .opt{color:var(--ink-3);font-weight:500;letter-spacing:.05em;text-transform:none;font-size:.78rem}
.field input,.field textarea{
  width:100%;font-family:var(--sans);font-size:1rem;color:var(--ink);
  background:#FBFAF7;border:1px solid var(--rule-strong);border-radius:2px;
  padding:.8rem .9rem;transition:border-color .16s ease;
}
.field input:focus,.field textarea:focus{border-color:var(--accent)}
.field textarea{min-height:150px;resize:vertical;line-height:1.6}
.form-note{font-size:.86rem;color:var(--ink-3);line-height:1.6;margin-top:1.1rem;max-width:52ch}
.err{color:#8A3324;font-size:.85rem;margin-top:.4rem;display:none}
.err.show{display:block}

.contact-aside dl{margin:0}
.contact-aside dt{
  font-size:.73rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-3);
  padding-top:1.35rem;border-top:1px solid var(--rule);
}
.contact-aside dd{margin:.5rem 0 1.35rem}
.contact-aside dd a{font-size:1.06rem;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--rule-strong);padding-bottom:2px}
.contact-aside dd a:hover{border-bottom-color:var(--ink)}
.contact-aside dd .sub{display:block;font-size:.87rem;color:var(--ink-3);margin-top:.55rem;line-height:1.55}

/* ---------- FAQ / disclosure ---------- */
.faq{border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{
  cursor:pointer;list-style:none;padding:1.5rem 2.5rem 1.5rem 0;position:relative;
  font-family:var(--serif);font-size:clamp(1.1rem,1.7vw,1.3rem);color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:.4rem;top:50%;width:11px;height:11px;
  border-right:1.5px solid var(--ink-3);border-bottom:1.5px solid var(--ink-3);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq details[open] summary::after{transform:translateY(-20%) rotate(-135deg)}
.faq .answer{padding:0 0 1.7rem;max-width:64ch;color:var(--ink-2);font-size:1rem}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--rule);padding-block:clamp(3.2rem,6vw,4.5rem) 2.2rem;background:var(--paper-2)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(2rem,5vw,4rem);padding-bottom:3rem}
@media (max-width:820px){.footer-top{grid-template-columns:1fr;gap:2.6rem}}
.footer-col h4{
  font-family:var(--sans);font-size:.73rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:1.2rem;
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:.75rem}
.footer-col a{text-decoration:none;color:var(--ink-2);font-size:.97rem;border-bottom:1px solid transparent}
.footer-col a:hover{color:var(--ink);border-bottom-color:var(--rule-strong)}
.footer-blurb{font-size:.97rem;color:var(--ink-2);max-width:36ch;margin-top:1.2rem}
.footer-bottom{
  border-top:1px solid var(--rule);padding-top:1.7rem;
  display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:space-between;
  font-size:.84rem;color:var(--ink-3);
}

/* ---------- small screens ---------- */
@media (max-width:560px){
  .hero-meta{flex-direction:column;align-items:flex-start;gap:.45rem}
  .hero-meta .dot{display:none}
  .btn-row .btn{width:100%}
  .footer-bottom{flex-direction:column}
}

/* mobile menu CTA must keep button styling */
.mobile-nav a.btn{padding:.95rem 1.5rem}
.mobile-nav a.btn-primary{color:var(--paper)}