/* ===== My Longevity Edge — "bold door, quiet room" design system ===== */

:root{
  --ink:#0A0F0B; --ink-2:#121A14; --ink-3:#223129;
  --paper:#FFFFFF; --cream:#FAF9F5; --mint:#ECF6EF;
  --sig:#45E06B; --sig-deep:#1B9E48; --sig-dark:#14653A; --sig-soft:#EAF4ED;
  --gold:#F5B301; --gold-soft:#FFF3C4; --gold-line:#F0D36A;
  --silver:#6B8292; --silver-soft:#E8EFF3; --silver-line:#C6D6DF;
  --bronze:#C07A3E; --bronze-soft:#F8E4CF; --bronze-line:#E9C79E;
  --emg:#C79A00;
  --line:#E6E3DA;
  --muted:#5F6B64;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--sans);color:var(--ink);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:var(--sig-dark);text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 28px}

/* ===================== HEADER ===================== */
.site-header{position:relative;z-index:20}
.header-inner{display:flex;align-items:center;gap:22px;padding:16px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.brand .mark{width:32px;height:32px;border-radius:9px;background:var(--sig);color:var(--ink);display:grid;place-items:center;font-weight:800;font-size:.95rem}
.site-nav{display:flex;gap:18px;flex-wrap:wrap;flex:1}
.site-nav a{font-size:.93rem;font-weight:500}

/* light header (article pages) */
.article-page .site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0}
.article-page .brand{color:var(--ink)}
.article-page .brand .accent{color:var(--sig-deep)}
.article-page .site-nav a{color:var(--ink-2)}
.article-page .site-nav a:hover{color:var(--sig-deep)}

/* dark header (homepage) */
.home-page .site-header{background:transparent;position:absolute;top:0;left:0;right:0}
.home-page .brand{color:#fff}
.home-page .brand .accent{color:var(--sig)}
.home-page .site-nav a{color:rgba(255,255,255,.82)}
.home-page .site-nav a:hover{color:var(--sig)}

/* ===================== ARTICLE PAGE (quiet room) ===================== */
.article-page{background:var(--cream)}
.article-page main.wrap{max-width:760px;padding-top:44px;padding-bottom:80px}
.article-page h1{font-family:var(--serif);font-weight:400;font-size:2.6rem;line-height:1.12;letter-spacing:-.02em;margin:0 0 18px}
.article-page h2{font-family:var(--serif);font-weight:500;font-size:1.55rem;line-height:1.2;margin:1.9em 0 .5em;letter-spacing:-.01em}
.article-page h3{font-size:1.1rem;font-weight:700;margin:1.5em 0 .4em}
.article-page h4{font-size:1rem;font-weight:700;margin:1.3em 0 .4em}
.article-page p{margin:0 0 1.15em}
.article-page ul,.article-page ol{margin:0 0 1.2em;padding-left:1.4em}
.article-page li{margin:.35em 0}
.article-page strong{font-weight:700}
.article-page img{max-width:100%;height:auto;border-radius:8px}
.article-page table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem;background:#fff}
.article-page th,.article-page td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-page th{background:#f4f4f0;font-weight:700}
.article-page blockquote{margin:1.3em 0;padding:.6em 1.2em;border-left:4px solid var(--sig-deep);background:var(--sig-soft);color:var(--ink-2);border-radius:0 8px 8px 0}
.article-page hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.article-page code{background:#eef0ed;padding:2px 6px;border-radius:4px;font-size:.9em}
.article-page a{font-weight:600}

/* ===================== HOME PAGE (bold door) ===================== */
.home-page{background:var(--paper)}
.home-page main{width:100%}

/* hero */
.hero{background:radial-gradient(1200px 600px at 70% -10%, rgba(69,224,107,.16), transparent 60%),radial-gradient(900px 500px at 10% 110%, rgba(31,191,166,.10), transparent 60%),var(--ink);color:#fff;padding:150px 0 90px;border-bottom:1px solid rgba(255,255,255,.08)}
.hero .wrap{max-width:900px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(69,224,107,.4);color:var(--sig);font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:7px 15px;border-radius:100px;margin-bottom:22px}
.hero h1{font-family:var(--serif);font-weight:300;font-size:4.4rem;line-height:1.02;letter-spacing:-.02em;margin-bottom:20px}
.hero h1 em{font-style:italic;color:var(--sig)}
.hero .sub{font-size:1.22rem;color:rgba(255,255,255,.78);max-width:620px;margin-bottom:30px}
.cta-row{display:flex;gap:13px;flex-wrap:wrap;align-items:center}
.btn{display:inline-block;background:var(--sig);color:var(--ink);font-weight:800;padding:15px 26px;border-radius:100px;font-size:.98rem}
.btn.ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.22)}
.tiers{margin-top:34px;display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.tier{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:700;padding:7px 14px;border-radius:100px}
.tier.gold{background:var(--gold);color:#2a1f00}
.tier.silver{background:#9FB0BC;color:#12212a}
.tier.bronze{background:#D6975B;color:#2a1607}
.tier.emg{background:var(--emg);color:#2a1f00}

/* home sections */
.home-section{padding:66px 0}
.home-section.tint{background:var(--cream)}
.kicker{font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--sig-deep);margin-bottom:12px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:30px;flex-wrap:wrap}
.sec-head h2{font-family:var(--serif);font-weight:400;font-size:2.4rem;line-height:1.1;letter-spacing:-.01em}
.sec-head .more{font-size:.9rem;font-weight:700;color:var(--sig-deep)}

/* method / trust block */
.method{background:var(--mint);border:1px solid #D8E8DD;border-radius:18px;padding:40px}
.method h3{font-family:var(--serif);font-weight:500;font-size:1.6rem;margin-bottom:12px}
.method .lead{color:#3c4a40;max-width:640px;margin-bottom:26px;font-size:1.02rem}
.tier-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.tcard .t{font-weight:800;font-size:.95rem;margin-bottom:4px}
.tcard p{color:#5a675e;font-size:.83rem;line-height:1.45}
.tcard.gold .t{color:#8a6a00}
.tcard.silver .t{color:#48606f}
.tcard.bronze .t{color:#8a5a24}
.tcard.emg .t{color:#8a6a00}

/* category cards */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ocard{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;transition:transform .16s,box-shadow .16s;color:var(--ink)}
.ocard:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(10,15,11,.12)}
.ocard::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--sig)}
.ocard .cat-emoji{font-size:1.5rem}
.ocard h3{font-family:var(--serif);font-weight:500;font-size:1.15rem;margin:0}
.ocard p{color:#4c5a50;font-size:.9rem;margin:0}

/* digest */
.digest-list{display:flex;flex-direction:column;gap:14px}
.digest{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:22px 24px;display:flex;gap:18px;align-items:flex-start}
.digest .badge{flex-shrink:0;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:1.05rem}
.digest .badge.gold{background:var(--gold);color:#2a1f00}
.digest .badge.silver{background:#9FB0BC;color:#12212a}
.digest .badge.bronze{background:#D6975B;color:#2a1607}
.digest h3{font-family:var(--serif);font-weight:500;font-size:1.12rem;margin-bottom:4px}
.digest p{color:#4c5a50;font-size:.93rem}
.digest .src{font-size:.8rem;color:#7a857d;margin-top:6px}

/* newsletter */
.newsletter{background:var(--ink);color:#fff;padding:84px 0}
.newsletter .wrap{text-align:center;max-width:680px}
.newsletter h2{font-family:var(--serif);font-weight:300;font-size:2.9rem;line-height:1.05;margin-bottom:14px}
.newsletter h2 em{font-style:italic;color:var(--sig)}
.newsletter p{color:rgba(255,255,255,.7);margin-bottom:24px}
.newsletter .inp{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.newsletter input{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);border-radius:100px;padding:14px 22px;color:#fff;font-size:.95rem;width:290px;outline:none}

/* ===================== FOOTER ===================== */
.site-footer{padding:34px 0;font-size:.85rem}
.site-footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.site-footer a:hover{color:var(--sig)}
.article-page .site-footer{border-top:1px solid var(--line);background:#fff;color:var(--muted)}
.article-page .site-footer a{color:var(--muted)}
.home-page .site-footer{background:#050806;color:rgba(255,255,255,.55)}
.home-page .site-footer a{color:rgba(255,255,255,.75)}

/* ===================== RESPONSIVE ===================== */
@media(max-width:820px){
  .cat-grid{grid-template-columns:1fr 1fr}
  .tier-cards{grid-template-columns:1fr 1fr}
  .hero h1{font-size:3rem}
}
@media(max-width:540px){
  .cat-grid{grid-template-columns:1fr}
  .tier-cards{grid-template-columns:1fr}
  .hero h1{font-size:2.3rem}
  .newsletter h2{font-size:2.2rem}
  .article-page h1{font-size:2rem}
}