:root{
  --navy:#0f2a44;--navy-2:#173b5e;--teal:#0e7c86;--teal-soft:#e3f3f3;
  --orange:#f07f1e;--orange-2:#e5590f;--gold:#f5b942;--cream:#faf7f1;
  --ink:#1d2733;--muted:#5b6876;--line:#e4e0d6;--radius:18px;
  --shadow:0 10px 30px rgba(15,42,68,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:17px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--teal)}
h1,h2,h3{font-family:'DM Serif Display',Georgia,serif;font-weight:400;line-height:1.22;color:var(--navy)}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 18px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(180deg,var(--orange),var(--orange-2));color:#fff;text-decoration:none;font-weight:800;font-size:1.02rem;letter-spacing:.02em;padding:16px 28px;border-radius:999px;box-shadow:0 10px 24px rgba(229,89,15,.32);transition:transform .15s ease,box-shadow .15s ease;text-align:center;min-height:54px;text-transform:uppercase}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(229,89,15,.4)}
.btn svg{width:20px;height:20px;flex:none}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-weight:700;text-decoration:none;border:2px solid var(--teal);border-radius:999px;padding:12px 22px;min-height:48px}
.btn-ghost:hover{background:var(--teal);color:#fff}

/* Top bar & header */
.topbar{background:var(--navy);color:#fff;font-size:.82rem;text-align:center;padding:8px 12px;font-weight:600;letter-spacing:.03em}
.topbar span{color:var(--gold)}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:58px;gap:8px}
.nav-r{display:flex;align-items:center;gap:6px;min-width:0}
.mnav{display:flex;list-style:none;gap:0}
.mnav a{display:block;color:var(--navy);text-decoration:none;font-weight:600;font-size:.7rem;padding:6px 3px;border-bottom:2px solid transparent;white-space:nowrap}
.hide-xs{display:none}
@media (min-width:500px){.hide-xs{display:inline}}
.mnav a:hover{color:var(--teal)}
.mnav a.on{color:var(--teal);border-bottom-color:var(--teal)}

.logo{font-family:'DM Serif Display',serif;font-size:1.4rem;color:var(--navy);text-decoration:none;display:flex;align-items:center;gap:8px;white-space:nowrap}
.logo i{width:28px;height:28px;border-radius:50%;background:radial-gradient(circle at 35% 35%,var(--gold),var(--orange) 60%,var(--orange-2));display:inline-block;flex:none}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a.lnk{color:var(--navy);text-decoration:none;font-weight:600;font-size:.92rem;padding:8px 10px;border-radius:8px}
.nav-links a.lnk:hover,.nav-links a.lnk.active{color:var(--teal)}
.nav-links a.lnk.hide-sm{display:none}
.btn-sm{background:var(--orange);color:#fff;text-decoration:none;font-weight:800;font-size:.8rem;padding:10px 15px;border-radius:99px;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}

/* Blog index hero */
.bhero{background:radial-gradient(1000px 420px at 85% -10%,#d9eef0 0%,transparent 60%),linear-gradient(180deg,#fff 0%,var(--cream) 100%);padding:46px 0 34px;text-align:center}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);background:var(--teal-soft);padding:6px 14px;border-radius:99px;margin-bottom:14px}
.bhero h1{font-size:clamp(2rem,5.2vw,3.1rem);margin-bottom:12px}
.bhero p{color:var(--muted);font-size:1.08rem;max-width:680px;margin:0 auto}

/* Cards */
.grid{display:grid;gap:22px;padding:30px 0 20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(15,42,68,.16)}
.cover{position:relative;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;overflow:hidden}
.cover svg{width:34%;max-width:120px;height:auto;stroke:#fff;opacity:.95;position:relative;z-index:1}
.cover::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.25),transparent 45%),radial-gradient(circle at 85% 90%,rgba(255,255,255,.18),transparent 40%)}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2}
.c1{background:linear-gradient(135deg,#0e7c86,#0f2a44)}
.c2{background:linear-gradient(135deg,#f07f1e,#b8430b)}
.c3{background:linear-gradient(135deg,#e5a50f,#c2410c)}
.c4{background:linear-gradient(135deg,#5b7da3,#173b5e)}
.c5{background:linear-gradient(135deg,#3f8f4f,#0e5a63)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.tag{display:inline-block;align-self:flex-start;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--orange-2);margin-bottom:8px}
.card h2{font-size:1.38rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.96rem;margin-bottom:16px;flex:1}
.meta-row{display:flex;justify-content:space-between;align-items:center;font-size:.84rem;color:var(--muted);border-top:1px dashed var(--line);padding-top:14px}
.meta-row b{color:var(--teal)}
.card.featured .card-body h2{font-size:clamp(1.45rem,3vw,2rem)}

/* CTA band */
.band{margin:34px 0 60px;background:var(--navy);color:#fff;border-radius:24px;padding:34px 24px;text-align:center;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(240,127,30,.35),transparent 70%)}
.band h2{color:#fff;font-size:clamp(1.5rem,3.6vw,2.1rem);margin-bottom:10px;position:relative}
.band p{color:#c9d7e3;max-width:620px;margin:0 auto 22px;position:relative}
.band .btn{position:relative}
.band small{display:block;margin-top:12px;color:#a9bccd;font-size:.84rem;position:relative}

/* Article */
.crumbs{font-size:.84rem;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--teal);text-decoration:none;font-weight:600}
.ahead{padding:18px 0 26px}
.ahead h1{font-size:clamp(1.9rem,5vw,2.9rem);margin:6px 0 14px}
.ahead .lede{color:var(--muted);font-size:1.08rem}
.byline{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.88rem;color:var(--muted);margin-top:16px}
.byline b{color:var(--navy)}
.acover{border-radius:22px;margin-bottom:6px;box-shadow:var(--shadow)}
.acover svg{max-width:150px}
.layout{display:grid;gap:34px;padding-bottom:30px}
article.post{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px 20px;box-shadow:var(--shadow);min-width:0}
article.post h2{font-size:clamp(1.4rem,3.4vw,1.85rem);margin:38px 0 14px;padding-top:4px}
article.post h2:first-of-type{margin-top:6px}
article.post p{margin-bottom:18px;font-size:1.04rem;color:#2b3642}
article.post > p:first-of-type::first-letter{font-family:'DM Serif Display',serif;float:left;font-size:3.6rem;line-height:.9;padding:6px 10px 0 0;color:var(--teal)}

.incta{margin:32px 0;background:linear-gradient(135deg,var(--teal-soft),#fff7ef);border:2px solid var(--teal);border-radius:20px;padding:24px 20px;text-align:center}
.incta .k{font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);display:block;margin-bottom:6px}
.incta h3{font-size:1.4rem;margin-bottom:8px}
.incta p{font-size:.98rem!important;color:var(--muted)!important;margin-bottom:16px!important}
.incta .btn{width:100%;max-width:380px}
.incta small{display:block;margin-top:10px;font-size:.82rem;color:var(--muted)}

.endbox{margin-top:34px;background:var(--navy);color:#fff;border-radius:22px;padding:30px 22px;text-align:center}
.endbox h3{color:#fff;font-size:1.6rem;margin-bottom:10px}
.endbox p{color:#c9d7e3!important;font-size:1rem!important}
.endbox ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 16px;margin:4px 0 20px;font-size:.9rem;color:#dbe6ef}
.endbox ul li::before{content:"✓ ";color:var(--gold);font-weight:800}
.endbox .btn{width:100%;max-width:400px}
.endbox small{display:block;margin-top:12px;color:#a9bccd;font-size:.84rem}

.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px;padding-top:22px;border-top:1px dashed var(--line)}
.tags span{font-size:.78rem;font-weight:600;color:var(--teal);background:var(--teal-soft);padding:5px 11px;border-radius:99px}

aside.side{display:flex;flex-direction:column;gap:20px}
.sbox{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.sbox h3{font-size:1.2rem;margin-bottom:10px}
.sbox p{font-size:.93rem;color:var(--muted);margin-bottom:14px}
.sbox .btn{width:100%;font-size:.92rem;padding:14px 16px}
.sbox.buy{background:linear-gradient(180deg,#fff,var(--teal-soft));border:2px solid var(--orange)}
.sbox .price{font-family:'DM Serif Display',serif;font-size:2rem;color:var(--navy);line-height:1}
.sbox .price small{font-family:'Inter',sans-serif;font-size:.85rem;color:var(--muted)}
.toc ol{padding-left:20px;font-size:.92rem}
.toc li{margin-bottom:6px}
.toc a{color:var(--navy);text-decoration:none}
.toc a:hover{color:var(--teal)}

.related{padding:20px 0 60px}
.related > h2{font-size:clamp(1.6rem,4vw,2.2rem);text-align:center;margin-bottom:6px}

/* Footer */
footer{background:#0a1d30;color:#93a7b9;font-size:.85rem;padding:36px 0 110px;text-align:center}
footer nav{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center;margin-bottom:16px}
footer nav a{color:#dbe6ef;text-decoration:none;font-weight:600}
footer nav a:hover{color:var(--gold)}
footer p{max-width:820px;margin:0 auto 10px;font-size:.78rem;line-height:1.6}

/* Sticky mobile CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:12px;transform:translateY(110%);transition:transform .3s ease;box-shadow:0 -8px 24px rgba(15,42,68,.12)}
.sticky-cta.show{transform:translateY(0)}
.sticky-cta .txt{flex:1;font-size:.82rem;line-height:1.3;color:var(--navy)}
.sticky-cta .txt b{display:block;font-size:.95rem}
.sticky-cta .btn{min-height:46px;padding:12px 18px;font-size:.86rem}

.progress{position:fixed;top:0;left:0;height:3px;background:var(--orange);width:0;z-index:70}

@media (min-width:640px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .card.featured{grid-column:1/-1;flex-direction:row}
  .card.featured .cover{flex:0 0 50%;aspect-ratio:auto;min-height:300px}
  article.post{padding:40px 44px}
  .nav-links a.lnk.hide-sm{display:inline-block}
}
@media (min-width:960px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .card.featured .cover{flex-basis:55%;min-height:340px}
  .layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start}
  aside.side{position:sticky;top:88px}
  .sticky-cta{display:none}
  footer{padding-bottom:40px}
}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.toc{display:none}
@media (min-width:960px){.toc{display:block}.toc ol{max-height:calc(100vh - 470px);min-height:140px;overflow:auto;padding-right:6px}}
@media (min-width:640px){.acover{aspect-ratio:16/6}}
@media (min-width:960px){.grid.g2{grid-template-columns:repeat(2,1fr)}.acover{aspect-ratio:21/6}}
@media (max-width:639px){.incta{padding:22px 14px}.incta .btn,.endbox .btn{font-size:.9rem;padding:15px 14px;gap:8px;letter-spacing:0}.incta .btn svg,.endbox .btn svg{width:18px;height:18px}}
@media (max-width:639px){.endbox{padding:26px 14px}}

@media (max-width:639px){.btn{font-size:.9rem;padding:15px 16px;letter-spacing:0;gap:8px}.btn svg{width:18px;height:18px}.band{padding:30px 16px}}
@media (max-width:360px){.btn{font-size:.82rem;padding:14px 12px}}
@media (max-width:359px){article.post{padding:22px 12px}.incta,.endbox{padding:20px 10px}.incta .btn,.endbox .btn{font-size:.8rem;padding:14px 10px}}
/* header responsive (must stay last) */
@media (max-width:959px){.wrap.nav{padding:0 12px}.logo{font-size:1rem}.btn-sm{font-size:.66rem;padding:8px 10px;letter-spacing:.02em}}
@media (min-width:351px) and (max-width:379px){.logo{font-size:.96rem}.mnav a{font-size:.66rem;padding:6px 2px}}
@media (min-width:440px) and (max-width:959px){.logo{font-size:1.15rem}.mnav a{font-size:.78rem;padding:6px 5px}.btn-sm{font-size:.7rem;padding:9px 12px}}
@media (max-width:350px){.wrap.nav{padding:0 8px}.logo{font-size:.9rem}.mnav a{font-size:.62rem;padding:6px 2px}.btn-sm{font-size:.6rem;padding:7px 8px}}
@media (min-width:960px){.nav{height:68px}.nav-r{gap:22px}.mnav{gap:14px}.mnav a{font-size:.94rem;padding:22px 4px}.logo{font-size:1.4rem}.btn-sm{font-size:.8rem;padding:10px 15px}}