/* ============================================
   SIGMA FM — Design tokens
   ============================================ */
:root{
  --ink:#0B0B0C;
  --ink-soft:#17171A;
  --banner:#0B2420;
  --banner-soft:#0F2E29;
  --orange:#FA7C1F;
  --orange-bright:#FF9142;
  --paper:#F7F5F1;
  --paper-dim:#EFEBE3;
  --graphite:#6B6B70;
  --hairline:#E4E1DA;
  --hairline-dark:#1E3733;
  --white:#FFFFFF;

  --serif:'Poppins', 'Georgia', serif;
  --sans:'Poppins', -apple-system, sans-serif;
  --mono:'IBM Plex Mono', monospace;

  --container:1240px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}

.wrap{max-width:var(--container);margin:0 auto;padding:0 32px}

/* -------- Eyebrow / labels -------- */
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--orange);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:'';
  width:22px;height:1px;
  background:var(--orange);
  display:inline-block;
}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:500;
  line-height:1.15;
  letter-spacing:.02em;
}

/* ============================================
   HEADER
   ============================================ */
header.site{
  position:sticky;top:0;z-index:100;
  background:var(--banner);
  border-bottom:1px solid var(--hairline-dark);
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;
}
.logo{
  display:flex;align-items:center;gap:12px;
  font-family:'Bodoni Moda', serif;
  font-optical-sizing:auto;
  font-size:26px;
  font-weight:500;
  letter-spacing:.1em;
  color:var(--paper);
}
.logo img.mark{width:36px;height:36px;object-fit:contain}
.logo img.wordmark{height:22px;width:auto;object-fit:contain}

nav.primary{display:flex;align-items:center;gap:40px}
nav.primary ul{display:flex;gap:36px}
nav.primary a{
  font-size:14px;font-weight:500;
  position:relative;padding:4px 0;
  color:var(--paper);
}
nav.primary a.active,nav.primary a:hover{color:var(--orange-bright)}
nav.primary a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--orange-bright);
}
nav.primary a.cta-btn{color:var(--white)}
nav.primary a.cta-btn:hover{color:var(--white)}
nav.primary a.cta-btn.outline{color:var(--ink);border-color:var(--hairline)}
nav.primary a.cta-btn.outline:hover{color:var(--paper)}
.header-socials{display:flex;align-items:center;gap:10px;margin-left:8px}
.header-socials a{
  width:30px;height:30px;border-radius:50%;
  border:1px solid rgba(247,245,241,.28);
  display:flex;align-items:center;justify-content:center;
  color:var(--paper);transition:all .2s;
}
.header-socials a:hover{border-color:var(--orange-bright);color:var(--orange-bright)}
.cta-btn{
  font-family:var(--sans);font-weight:500;
  font-size:14px;
  background:var(--orange);color:var(--white);
  padding:14px 26px;
  border:1px solid var(--orange);
  border-radius:999px;
  transition:all .25s ease;
  white-space:nowrap;
  display:inline-flex;align-items:center;gap:8px;
}
.cta-btn:hover{background:var(--orange-bright);border-color:var(--orange-bright)}
.cta-btn.outline{background:transparent;color:var(--paper);border-color:rgba(247,245,241,.4)}
.cta-btn.outline:hover{background:var(--paper);color:var(--banner);border-color:var(--paper)}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:0}
.burger span{width:24px;height:2px;background:var(--paper)}

/* ============================================
   FOOTER
   ============================================ */
footer.site{
  background:var(--banner);
  color:var(--paper);
  padding:80px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:64px;
  border-bottom:1px solid var(--hairline-dark);
}
.foot-grid h4{
  font-family:var(--mono);
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--orange);font-weight:500;
  margin-bottom:20px;
}
.foot-grid p, .foot-grid a{
  font-size:14px;color:#B8B6B2;line-height:1.9;
}
.foot-grid a:hover{color:var(--orange-bright)}
.foot-logo{
  font-family:'Bodoni Moda', serif;font-optical-sizing:auto;font-size:30px;font-weight:500;letter-spacing:.1em;
  color:var(--paper);
  display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.foot-logo img.mark{width:32px;height:32px;object-fit:contain}
.foot-logo img.foot-wordmark{height:24px;width:auto;object-fit:contain}
.foot-desc{max-width:280px;color:#8B8983;font-size:14px;line-height:1.8}
.bottom-bar{
  display:flex;justify-content:space-between;align-items:center;
  padding:26px 0;
  font-family:var(--mono);font-size:12px;color:#6E6C68;
}
.bottom-bar .socials{display:flex;gap:16px}
.bottom-bar .socials a{
  width:32px;height:32px;border:1px solid var(--hairline-dark);
  display:flex;align-items:center;justify-content:center;border-radius:50%;
  font-size:13px;
}
.bottom-bar .socials a:hover{border-color:var(--orange);color:var(--orange)}

/* ============================================
   SHARED — page hero band
   ============================================ */
.page-hero{
  padding:64px 0 56px;
  border-bottom:1px solid var(--hairline);
}
.page-hero h1{font-size:clamp(38px,5vw,58px)}
.page-hero .lede{
  max-width:560px;color:var(--graphite);font-size:17px;margin-top:18px;
}
.breadcrumb{
  font-family:var(--mono);font-size:12px;color:var(--graphite);
  margin-bottom:14px;letter-spacing:.04em;
}
.breadcrumb a:hover{color:var(--orange)}

section{padding:96px 0}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  margin-bottom:56px;gap:40px;
}
.section-head h2{font-size:clamp(30px,3.4vw,44px);max-width:600px}
.section-head .lede{color:var(--graphite);max-width:360px;font-size:15px}

.btn-arrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;
}
.btn-arrow svg{width:14px;height:14px;transition:transform .2s}
.btn-arrow:hover svg{transform:translate(3px,-3px)}

/* CTA band — reused across pages */
.cta-band{
  position:relative;padding:80px 0;background:var(--banner);
  background-size:cover;background-position:center 55%;
  overflow:hidden;isolation:isolate;
}
.cta-band::before{
  content:'';position:absolute;inset:0;z-index:0;
  background:linear-gradient(120deg,rgba(11,36,32,.94) 0%,rgba(11,36,32,.8) 45%,rgba(11,36,32,.55) 100%);
}
.cta-band .wrap{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(28px,3.4vw,42px);max-width:520px;color:var(--paper)}
.cta-band .cta-btn{background:var(--orange);border-color:var(--orange);color:var(--white)}
.cta-band .cta-btn:hover{background:var(--orange-bright);border-color:var(--orange-bright)}

/* responsive */
@media(max-width:900px){
  nav.primary{position:relative}
  nav.primary ul{
    display:none;position:absolute;top:100%;right:0;
    flex-direction:column;background:var(--paper);
    border:1px solid var(--hairline);padding:20px;gap:16px;
    min-width:200px;
  }
  nav.primary.open ul{display:flex}
  nav.primary .cta-btn{display:none}
  .burger{display:flex}
  .foot-grid{grid-template-columns:1fr 1fr;row-gap:40px}
}
@media(max-width:600px){
  .foot-grid{grid-template-columns:1fr}
  section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start}
}
