:root{
  --night:#0D1B47;
  --indigo:#223C86;
  --teal:#0C6C9B;
  --gold:#F0A80C;
  --gold-deep:#C88A05;
  --chalk:#F4F6FA;
  --slate:#5B6684;
  --ink:#111B3A;
  --grad:linear-gradient(145deg,#1B2E77 0%,#223C86 38%,#0C6C9B 100%);
  --maxw:1140px;
  --pad:clamp(20px,5vw,40px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--chalk);color:var(--ink);font-family:'Source Sans 3',system-ui,-apple-system,Segoe UI,sans-serif;font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,.display{font-family:'Anton',Impact,sans-serif;font-weight:400;text-transform:uppercase;letter-spacing:.005em;line-height:.98;margin:0}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin:0 0 18px}
.eyebrow.dark{color:var(--teal)}
.lead{font-size:clamp(18px,2vw,21px);color:var(--slate)}
.sec{padding:clamp(56px,8vw,104px) 0}
.sec-dark{background:var(--night);color:#fff}
.sec-dark .lead{color:#B9C4E0}
.sec-grad{background:var(--grad);color:#fff}
.sec-grad .lead{color:#D6E2F2}
.rule{height:2px;width:64px;background:var(--gold);margin:0 0 26px}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(13,27,71,.97);backdrop-filter:blur(8px);border-bottom:1px solid rgba(240,168,12,.28)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);height:66px;display:flex;align-items:center;gap:28px}
.brand{font-family:'Anton',sans-serif;font-size:19px;color:#fff;text-transform:uppercase;letter-spacing:.02em;text-decoration:none;white-space:nowrap}
.brand span{color:var(--gold)}
.nav-links{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav-links a{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#C7D2EC;text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.nav-links a:hover{color:#fff}
.nav-links a.on{color:#fff;border-bottom-color:var(--gold)}
.btn{display:inline-block;font-weight:700;font-size:15px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;padding:14px 26px;border-radius:2px;border:2px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s ease,color .15s ease}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:#12224F;border-color:var(--gold)}
.btn-gold:hover{background:#FFBE2E}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-ink{background:var(--night);color:#fff;border-color:var(--night)}
.btn-sm{padding:10px 18px;font-size:13px}
.nav .btn{margin-left:4px}
.burger{display:none;margin-left:auto;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:2px;padding:8px 11px;font-size:15px;cursor:pointer}

/* hero */
.hero{background:var(--grad);color:#fff;position:relative;overflow:hidden;padding:clamp(56px,8vw,96px) 0 clamp(56px,8vw,88px)}
.hero:after{content:"";position:absolute;left:-10%;right:-10%;bottom:52px;height:2px;background:linear-gradient(90deg,transparent,rgba(240,168,12,.85),transparent);transform:rotate(-2.2deg)}
.hero-in{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(30px,5vw,64px);align-items:center;position:relative;z-index:2}
.hero h1{font-size:clamp(38px,6vw,68px);color:#fff}
.hero h1 em{font-style:normal;color:var(--gold);display:block}
.hero .lead{max-width:34em;margin-top:22px;color:#D6E2F2}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:22px;font-size:14px;letter-spacing:.04em;color:#AEBEDF}
.cover-stage{display:flex;justify-content:center}
.cover-stage img{width:min(340px,80%);box-shadow:0 30px 60px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.12)}

/* divide (signature) */
.divide{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid #E2E7F1;overflow:hidden}
.divide .col{padding:clamp(28px,4vw,44px)}
.divide .col-common{background:#EDEFF5;color:#6B7593}
.divide .col-un{background:var(--grad);color:#fff;clip-path:polygon(6% 0,100% 0,100% 100%,0 100%)}
.divide h3{font-size:clamp(22px,3vw,30px);margin-bottom:20px}
.divide .col-common h3{color:#8C95B1}
.divide .col-un h3{color:var(--gold)}
.divide ul{list-style:none;margin:0;padding:0}
.divide li{padding:11px 0;border-top:1px solid rgba(0,0,0,.08);font-size:17px}
.divide .col-un li{border-top-color:rgba(255,255,255,.18)}
.divide li:first-child{border-top:none}

/* grids */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid #E2E7F1;border-top:4px solid var(--teal);padding:28px}
.card h3{font-size:20px;margin-bottom:12px;color:var(--ink)}
.card p{font-size:16px;color:var(--slate);margin:0}
.tile{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-top:4px solid var(--gold);padding:26px}
.tile h3{font-size:19px;color:#fff;margin-bottom:10px}
.tile p{font-size:16px;color:#B9C4E0;margin:0 0 14px}
.tile a{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);text-decoration:none}
.tile a:hover{text-decoration:underline}

/* skills band */
.skills{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14)}
.skill{background:var(--night);padding:26px 24px}
.skill b{display:block;font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;font-size:clamp(24px,3vw,32px);color:var(--gold);line-height:1;margin-bottom:10px}
.skill span{font-size:15px;color:#B9C4E0}

/* chapter list */
.chapters{border-top:1px solid #DDE3EF}
.ch{display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:baseline;padding:16px 0;border-bottom:1px solid #DDE3EF}
.ch b{font-family:'Anton',sans-serif;font-weight:400;color:var(--teal);font-size:20px}
.ch span{font-size:18px}
.ch i{font-style:normal;font-size:14px;color:#93 9DB8;color:#939DB8;letter-spacing:.08em}
.applist{columns:2;column-gap:36px;list-style:none;margin:0;padding:0}
.applist li{break-inside:avoid;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:16px;color:#D6E2F2}
.applist li b{color:var(--gold);font-weight:700}

/* code block */
.code{display:inline-block;border:2px dashed var(--gold);color:var(--gold);font-family:'Anton',sans-serif;font-size:clamp(22px,3vw,30px);letter-spacing:.06em;padding:12px 22px;margin:6px 0 14px}

/* resources */
.res{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid #DDE3EF}
.res h3{font-size:19px;margin-bottom:6px}
.res p{font-size:16px;color:var(--slate);margin:0}
.res-tag{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);display:block;margin-bottom:8px}

/* author */
.author{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(24px,4vw,54px);align-items:center}
.photo{aspect-ratio:4/5;background:linear-gradient(150deg,#1B2E77,#0C6C9B);border:1px solid rgba(255,255,255,.18);display:flex;align-items:flex-end;padding:18px}
.photo span{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.7)}

/* form */
.form{background:#fff;border:1px solid #E2E7F1;padding:clamp(24px,4vw,38px)}
.field{margin-bottom:18px}
.field label{display:block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid #C9D2E4;border-radius:2px;font-family:inherit;font-size:17px;background:#FBFCFE}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid rgba(12,108,155,.35);border-color:var(--teal)}

/* footer */
.foot{background:var(--night);color:#9FADCE;padding:56px 0 30px;font-size:15px}
.foot a{color:#D6E2F2;text-decoration:none}
.foot a:hover{color:var(--gold)}
.foot h4{font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;color:#fff;font-size:15px;letter-spacing:.08em;margin:0 0 14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{padding:5px 0}
.foot-bar{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:20px;font-size:13px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}

.center{text-align:center}
.center .rule{margin-left:auto;margin-right:auto}
.narrow{max-width:760px}
.mb0{margin-bottom:0}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

@media (max-width:920px){
  .hero-in,.author{grid-template-columns:1fr}
  .cover-stage{order:-1}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:1fr}
  .skills{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:var(--night);flex-direction:column;gap:0;padding:10px var(--pad) 20px;border-bottom:1px solid rgba(240,168,12,.3)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;width:100%}
  .burger{display:block}
}
@media (max-width:640px){
  .divide{grid-template-columns:1fr}
  .divide .col-un{clip-path:polygon(0 4%,100% 0,100% 100%,0 100%)}
  .g2,.g4{grid-template-columns:1fr}
  .skills{grid-template-columns:1fr}
  .applist{columns:1}
  .ch{grid-template-columns:48px 1fr}
  .ch i{grid-column:2}
  .foot-grid{grid-template-columns:1fr}
  .res{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}