/* ============================================================
   STRATUM LABS - Design System
   Premium · Elegant · Editorial
   ============================================================ */

:root{
  --ink:#0C0F14;          /* near-black */
  --ink-2:#11151C;
  --ink-soft:#1A2029;
  --ivory:#F6F2EA;        /* warm paper */
  --ivory-2:#EFE9DD;
  --paper:#FBF9F4;
  --gold:#C2A26B;         /* burnished gold */
  --gold-bright:#D9BE86;
  --teal:#3C6E68;         /* muted deep teal */
  --slate:#5B6470;
  /* Stratum five - the brand strata palette */
  --c1:#2B3A67;           /* indigo  */
  --c2:#2F7E78;           /* teal    */
  --c3:#C9A35B;           /* gold    */
  --c4:#C76B47;           /* clay    */
  --c5:#8E3B4E;           /* plum    */
  --line:rgba(12,15,20,.12);
  --line-light:rgba(246,242,234,.14);
  --muted:#6A7280;
  --maxw:1180px;
  --serif:"Fraunces","Playfair Display",Georgia,serif;
  --sans:"Inter","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  font-size:17px;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:430;line-height:1.05;letter-spacing:-.01em}
.eyebrow{
  font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.28em;
  text-transform:uppercase;color:var(--gold);display:inline-flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold);opacity:.7}
.display{font-size:clamp(46px,7.4vw,104px);line-height:.96;letter-spacing:-.025em}
.lede{font-size:clamp(18px,2.2vw,22px);color:var(--slate);max-width:60ch;line-height:1.6}
em{font-style:italic;color:var(--gold)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:11px;font-family:var(--sans);
  font-size:14px;font-weight:600;letter-spacing:.02em;padding:15px 30px;border-radius:100px;
  transition:all .45s var(--ease);cursor:pointer;border:1px solid transparent;
}
.btn .arrow{transition:transform .45s var(--ease)}
.btn:hover .arrow{transform:translateX(5px)}
.btn-primary{background:var(--ink);color:var(--ivory)}
.btn-primary:hover{background:var(--gold);color:var(--ink)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:var(--ivory)}
.btn-light{background:var(--ivory);color:var(--ink)}
.btn-light:hover{background:var(--gold);color:var(--ink)}

/* ---------- Nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 32px;transition:all .5s var(--ease);
  background:rgba(251,249,244,0);
}
.nav.scrolled{
  background:rgba(251,249,244,.82);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);padding:15px 32px;
}
.nav-inner{max-width:var(--maxw);margin:0 auto;width:100%;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:13px}
.brand .mark{width:34px;height:34px}
.brand .name{font-family:var(--serif);font-size:22px;letter-spacing:.01em}
.brand .name b{font-weight:500}
.nav-links{display:flex;align-items:center;gap:38px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--ink);position:relative;opacity:.78;transition:opacity .3s}
.nav-links a:hover,.nav-links a.active{opacity:1}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:1.5px;background:var(--gold)}
.nav-cta{display:flex;align-items:center;gap:18px}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px}
.menu-toggle span{width:24px;height:1.5px;background:var(--ink);transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;padding:200px 0 120px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}
.hero h1{margin:26px 0 30px}
.hero-meta{display:flex;flex-direction:column;gap:28px;padding-bottom:8px}
.hero-stat .num{font-family:var(--serif);font-size:46px;line-height:1;color:var(--ink)}
.hero-stat .lbl{font-size:13px;color:var(--muted);letter-spacing:.04em;margin-top:6px}
.hero-actions{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}

/* strata visual */
.strata-bg{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.6}

/* ---------- Sections ---------- */
section{position:relative}
.sec{padding:120px 0}
.sec-head{max-width:760px;margin-bottom:64px}
.sec-head h2{font-size:clamp(34px,4.6vw,60px);margin:18px 0 20px}
.sec.dark{background:var(--ink);color:var(--ivory)}
.sec.dark .lede{color:rgba(246,242,234,.62)}
.sec.dark .sec-head p{color:rgba(246,242,234,.62)}

/* feature grid */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.feat{background:var(--paper);padding:44px 38px;transition:background .5s var(--ease)}
.feat:hover{background:var(--ivory)}
.feat .ic{width:42px;height:42px;margin-bottom:26px;color:var(--gold)}
.feat h3{font-size:23px;margin-bottom:12px}
.feat p{font-size:15.5px;color:var(--slate);line-height:1.6}
.dark .feat{background:var(--ink-2)}
.dark .feat:hover{background:var(--ink-soft)}
.dark .feat p{color:rgba(246,242,234,.6)}
.dark .feat-grid{background:var(--line-light);border-color:var(--line-light)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.split.rev{direction:rtl}.split.rev>*{direction:ltr}
.panel{aspect-ratio:4/3.4;border-radius:6px;overflow:hidden;background:var(--ink);position:relative;border:1px solid var(--line)}

/* stat band */
.band{display:grid;grid-template-columns:repeat(4,1fr);gap:48px;padding:72px 0;border-top:1px solid var(--line-light);border-bottom:1px solid var(--line-light)}
.band .num{font-family:var(--serif);font-size:clamp(40px,5vw,62px);line-height:1;color:var(--gold)}
.band .lbl{font-size:13.5px;color:rgba(246,242,234,.55);margin-top:12px;letter-spacing:.03em}

/* logos */
.trust{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 56px;opacity:.6}
.trust span{font-family:var(--serif);font-size:21px;letter-spacing:.02em;color:var(--slate)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:54px;counter-reset:s}
.step{counter-increment:s}
.step .n{font-family:var(--serif);font-size:15px;color:var(--gold);border:1px solid var(--gold);width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:24px}
.step .n::before{content:"0" counter(s)}
.step h3{font-size:22px;margin-bottom:10px}
.step p{font-size:15px;color:var(--slate)}
.dark .step p{color:rgba(246,242,234,.6)}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.price{border:1px solid var(--line);border-radius:10px;padding:40px 34px;background:var(--paper);transition:all .5s var(--ease);display:flex;flex-direction:column}
.price:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px rgba(12,15,20,.25)}
.price.feat-card{background:var(--ink);color:var(--ivory);border-color:var(--ink)}
.price .tier{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:600}
.price .amt{font-family:var(--serif);font-size:52px;margin:18px 0 4px;line-height:1}
.price .amt span{font-size:17px;color:var(--muted);font-family:var(--sans)}
.price .feat-card .amt span{color:rgba(246,242,234,.55)}
.price ul{list-style:none;margin:26px 0 30px;display:flex;flex-direction:column;gap:13px;flex:1}
.price li{font-size:14.5px;color:var(--slate);display:flex;gap:11px;align-items:flex-start}
.price.feat-card li{color:rgba(246,242,234,.72)}
.price li::before{content:"";width:16px;height:16px;margin-top:3px;flex-shrink:0;background:var(--gold);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2l-3.5-3.5L4 14.2 9 19.2 20 8.2l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2l-3.5-3.5L4 14.2 9 19.2 20 8.2l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat}

/* quote */
.quote{max-width:920px;margin:0 auto;text-align:center}
.quote blockquote{font-family:var(--serif);font-size:clamp(26px,3.6vw,42px);line-height:1.28;letter-spacing:-.015em}
.quote .by{margin-top:34px;font-size:14px;letter-spacing:.05em;color:var(--muted)}

/* CTA */
.cta-band{text-align:center;padding:140px 0}
.cta-band h2{font-size:clamp(38px,5.6vw,76px);margin-bottom:28px}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.member .ph{aspect-ratio:3/3.6;border-radius:8px;background:linear-gradient(160deg,var(--ink-soft),var(--ink));margin-bottom:18px;position:relative;overflow:hidden;border:1px solid var(--line)}
.member h3{font-size:21px}
.member .role{font-size:14px;color:var(--gold);margin-top:2px}
.member p{font-size:14.5px;color:var(--slate);margin-top:10px}

/* values */
.val-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.val{background:var(--paper);padding:46px 42px}
.val .k{font-family:var(--serif);font-size:14px;color:var(--gold)}
.val h3{font-size:26px;margin:14px 0 12px}
.val p{color:var(--slate);font-size:15.5px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.field{margin-bottom:22px}
.field label{display:block;font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:9px;color:var(--ink)}
.field input,.field textarea,.field select{
  width:100%;padding:15px 18px;border:1px solid var(--line);border-radius:8px;
  font-family:var(--sans);font-size:15.5px;background:var(--paper);color:var(--ink);transition:border .3s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--gold)}
.field textarea{resize:vertical;min-height:130px}
.contact-info .row{padding:24px 0;border-bottom:1px solid var(--line)}
.contact-info .row .k{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.contact-info .row .v{font-family:var(--serif);font-size:22px;margin-top:6px}

/* page hero (sub pages) */
.phero{padding:180px 0 80px;border-bottom:1px solid var(--line)}
.phero h1{font-size:clamp(44px,6.4vw,86px);margin:22px 0 24px;letter-spacing:-.025em}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:var(--ivory);padding:90px 0 40px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding-bottom:60px;border-bottom:1px solid var(--line-light)}
.footer .brand .name{color:var(--ivory)}
.footer-col h4{font-family:var(--sans);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:20px;font-weight:600}
.footer-col a{display:block;font-size:15px;color:rgba(246,242,234,.66);margin-bottom:13px;transition:color .3s}
.footer-col a:hover{color:var(--ivory)}
.footer p.blurb{color:rgba(246,242,234,.6);font-size:15px;max-width:34ch;margin-top:20px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:30px;font-size:13.5px;color:rgba(246,242,234,.5);flex-wrap:wrap;gap:14px}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .nav-links,.nav-cta .btn{display:none}
  .menu-toggle{display:flex}
  .nav.open .nav-links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--paper);padding:28px 32px;gap:22px;border-bottom:1px solid var(--line)}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:48px}
  .split.rev{direction:ltr}
  .feat-grid,.steps,.price-grid,.team-grid,.val-grid{grid-template-columns:1fr}
  .band{grid-template-columns:repeat(2,1fr);gap:36px}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  .sec{padding:84px 0}
  .container{padding:0 22px}
}
@media(max-width:520px){
  .band{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .hero{padding:150px 0 80px}
}

/* ---------- Brand palette accents (the Stratum five) ---------- */
.feat:nth-child(5n+1) .ic{color:var(--c1)}
.feat:nth-child(5n+2) .ic{color:var(--c2)}
.feat:nth-child(5n+3) .ic{color:var(--c3)}
.feat:nth-child(5n+4) .ic{color:var(--c4)}
.feat:nth-child(5n+5) .ic{color:var(--c5)}

.step:nth-child(1) .n{color:var(--c2);border-color:var(--c2)}
.step:nth-child(2) .n{color:var(--c3);border-color:var(--c3)}
.step:nth-child(3) .n{color:var(--c4);border-color:var(--c4)}

.val .k{font-size:15px;font-weight:500}
.val:nth-child(1) .k{color:#7E96D6}
.val:nth-child(2) .k{color:#56C3B7}
.val:nth-child(3) .k{color:#E8946A}
.val:nth-child(4) .k{color:#E27D93}

.band .num{background:linear-gradient(90deg,var(--c2),var(--c3),var(--c4));-webkit-background-clip:text;background-clip:text;color:transparent}

/* colored spectrum rule used under section heads / hero */
.spectrum{display:block;height:3px;width:96px;border-radius:3px;margin-top:6px;background:linear-gradient(90deg,#B08C44,#D9BE86 55%,#EBD8A8)}
.spectrum i{display:none}

.member:nth-child(1) .ph{background:linear-gradient(160deg,#1A2440,#0C0F14)}
.member:nth-child(2) .ph{background:linear-gradient(160deg,#143b38,#0C0F14)}
.member:nth-child(3) .ph{background:linear-gradient(160deg,#24365e,#0C0F14)}

/* Dimensional display headlines */
.hero h1,.phero h1{
  text-shadow:0 1px 0 rgba(255,255,255,.7), 0 4px 12px rgba(12,15,20,.12), 0 22px 46px rgba(12,15,20,.13);
}
.hero h1 em,.phero h1 em{
  text-shadow:0 1px 0 rgba(255,255,255,.5), 0 8px 22px rgba(194,162,107,.45);
}