/* Vestinit public site — stylesheet. Warm-neutral / oxblood; light & dark via
   data-theme and prefers-color-scheme. */


@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&family=Hanken+Grotesk:wght@400;500;600;700;800&display=swap');

/* ── VDL tokens  ── */
[data-theme="light"], :root {
  --bg-base:#F6F2EF; --bg-surface:#FFFDFB; --bg-raised:#F1ECE8; --bg-elevated:#E9E2DC;
  --border-subtle:#ECE5DF; --border-default:#DFD6CD; --border-strong:#CABEB3;
  --text-primary:#231A19; --text-secondary:#6A5E5A; --text-tertiary:#9E938D;
  --accent:#9A1B32; --accent-hover:#7E1528; --accent-bg:rgba(154,27,50,0.08); --accent-border:rgba(154,27,50,0.24); --on-accent:#FFFDFB;
  --ok:#1F7A46; --ok-bg:rgba(31,122,70,0.10);
  --shadow:0 1px 3px rgba(40,20,20,0.06); --shadow-md:0 6px 20px rgba(40,20,20,0.09); --shadow-lg:0 14px 34px rgba(40,20,20,0.12);
}
[data-theme="dark"] {
  --bg-base:#161010; --bg-surface:#1E1614; --bg-raised:#241B18; --bg-elevated:#2C211D;
  --border-subtle:#2A201D; --border-default:#3A2C28; --border-strong:#4A3833;
  --text-primary:#F3ECE8; --text-secondary:#B4A49E; --text-tertiary:#7E6F6A;
  --accent:#EC91A2; --accent-hover:#F4AAB6; --accent-bg:rgba(236,145,162,0.12); --accent-border:rgba(236,145,162,0.30); --on-accent:#2A0F16;
  --ok:#52BD82; --ok-bg:rgba(82,189,130,0.14);
  --shadow:0 1px 3px rgba(0,0,0,0.4); --shadow-md:0 8px 26px rgba(0,0,0,0.5); --shadow-lg:0 16px 40px rgba(0,0,0,0.6);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg-base:#161010; --bg-surface:#1E1614; --bg-raised:#241B18; --bg-elevated:#2C211D;
    --border-subtle:#2A201D; --border-default:#3A2C28; --border-strong:#4A3833;
    --text-primary:#F3ECE8; --text-secondary:#B4A49E; --text-tertiary:#7E6F6A;
    --accent:#EC91A2; --accent-hover:#F4AAB6; --accent-bg:rgba(236,145,162,0.12); --accent-border:rgba(236,145,162,0.30); --on-accent:#2A0F16;
    --shadow:0 1px 3px rgba(0,0,0,0.4); --shadow-md:0 8px 26px rgba(0,0,0,0.5); --shadow-lg:0 16px 40px rgba(0,0,0,0.6);
  }
}
:root {
  --font-body:'Hanken Grotesk',system-ui,sans-serif;
  --font-display:'Playfair Display',Georgia,serif;
  --ground:#6E1A28; --ground-deep:#5A1420; --rose:#EBB9C1;
  --pinstripe:repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 8px);
  --radius:12px; --radius-lg:18px; --transition:0.18s ease;
  --wrap:1200px; --prose:720px;
}

/* ── Reset / base ── */
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} *{transition:none!important;animation:none!important;} }
body{font-family:var(--font-body);background:var(--bg-base);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.15;letter-spacing:0;color:var(--text-primary);}
p{color:var(--text-secondary);}
a{color:var(--accent);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--accent-hover);}
img{max-width:100%;display:block;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.prose{max-width:var(--prose);}
.eyebrow{font-size:0.75rem;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);} /* accessible label colour */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--on-accent);padding:10px 16px;border-radius:0 0 var(--radius) 0;z-index:1000;}
.skip-link:focus{left:0;color:var(--on-accent);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;font-family:var(--font-body);font-size:0.9rem;font-weight:700;letter-spacing:0.01em;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:background var(--transition),color var(--transition),border-color var(--transition);white-space:nowrap;min-height:44px;}
.btn-brand{background:var(--accent);color:var(--on-accent);border-color:var(--accent);}
.btn-brand:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--on-accent);}
.btn-outline{background:none;color:var(--accent);border:1.5px solid var(--accent);}
.btn-outline:hover{background:var(--accent-bg);}
.on-ground .btn-outline{color:#fff;border-color:rgba(255,255,255,0.5);}
.on-ground .btn-outline:hover{background:rgba(255,255,255,0.10);color:#fff;}
.on-ground .btn-brand{background:#fff;color:var(--ground);border-color:#fff;}

/* ── Global nav ── */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb, var(--bg-surface) 90%, transparent);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--border-subtle);}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-primary);}
.brand .diamond{color:var(--accent);font-size:12px;}
.brand .word{font-family:var(--font-display);font-weight:700;font-size:1.2rem;letter-spacing:-0.01em;}
.brand .sub{font-size:9px;font-weight:700;letter-spacing:0.26em;text-transform:uppercase;color:var(--text-secondary);display:block;margin-top:-2px;}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;}
.nav-links a{color:var(--text-secondary);font-size:0.9rem;font-weight:600;position:relative;padding:6px 0;}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text-primary);}
.nav-links a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;background:none;border:1px solid var(--border-default);border-radius:10px;width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;color:var(--text-primary);}
.nav-toggle svg{width:22px;height:22px;}

/* ── Mobile nav sheet ── */
.mobile-nav{position:fixed;inset:0;z-index:200;display:none;}
.mobile-nav[data-open="true"]{display:block;}
.mobile-nav-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.45);}
.mobile-nav-panel{position:absolute;top:0;right:0;bottom:0;width:min(86vw,340px);background:var(--ground);background-image:var(--pinstripe);color:#fff;padding:24px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-lg);}
.mobile-nav-panel a{color:#fff;font-size:1.1rem;font-weight:600;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,0.12);}
.mobile-nav-panel .btn{margin-top:16px;}
.mobile-nav-close{align-self:flex-end;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer;width:44px;height:44px;}

/* ── Hero (on --ground) ── */
.hero{background:var(--ground);background-image:var(--pinstripe);color:#fff;}
.hero .wrap{padding-top:96px;padding-bottom:96px;}
.hero .eyebrow{color:var(--rose);}
.hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.4rem);max-width:16ch;margin:14px 0 20px;}
.hero .lede{color:rgba(255,255,255,0.88);font-size:1.15rem;max-width:52ch;margin-bottom:28px;}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero em{color:var(--rose);font-style:italic;}

/* ── Section ── */
section{padding:88px 0;}
section.tight{padding:56px 0;}
.section-head{max-width:56ch;margin-bottom:40px;}
.section-head h2{font-size:clamp(1.6rem,3.2vw,2.2rem);margin:10px 0 12px;}
.section-head .standfirst{font-size:1.05rem;}
.alt{background:var(--bg-surface);}

/* ── Cards grid ── */
.grid{display:grid;gap:20px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:26px;transition:border-color var(--transition),box-shadow var(--transition);}
.card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);}
.card h3{font-size:1.2rem;margin-bottom:10px;}
.card p{font-size:0.95rem;}
.card .num{font-family:var(--font-display);color:var(--accent);font-size:1.1rem;font-weight:700;margin-bottom:6px;}

/* ── Proof / stats ── */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid var(--border-default);border-bottom:1px solid var(--border-default);padding:36px 0;}
.stat .value{font-family:var(--font-display);font-weight:700;font-size:clamp(1.8rem,4vw,2.6rem);color:var(--text-primary);font-variant-numeric:tabular-nums;line-height:1;}
.stat .label{font-size:0.85rem;color:var(--text-secondary);margin-top:8px;}

/* ── Principle block ── */
.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.principle{background:var(--bg-raised);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:20px 22px;}
.principle h3{font-size:1.05rem;margin-bottom:6px;}
.principle p{font-size:0.92rem;}
.agency-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;}
.agency-list li{background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-border);border-radius:999px;padding:8px 16px;font-weight:600;font-size:0.9rem;}

/* ── Flywheel ── */
.flywheel{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;background:var(--ground);background-image:var(--pinstripe);color:#fff;border-radius:var(--radius-lg);padding:40px 24px;}
.flywheel .node{background:rgba(255,255,255,0.08);border:1px solid var(--rose);color:#fff;border-radius:999px;padding:14px 26px;font-family:var(--font-display);font-size:1.15rem;}
.flywheel .arrow{color:var(--rose);font-size:1.4rem;}

/* ── Evaluation matrix ── */
.matrix{width:100%;border-collapse:collapse;}
.matrix th,.matrix td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--border-default);font-size:0.95rem;}
.matrix th{font-family:var(--font-body);font-size:0.72rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--text-secondary);font-weight:700;}
.matrix td .bar{height:8px;border-radius:4px;background:var(--accent);}
.matrix .weight{font-family:var(--font-display);font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}
.matrix-note{margin-top:14px;font-size:0.9rem;color:var(--text-secondary);}

/* ── Article card ── */
.article-card{display:block;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:28px;transition:border-color var(--transition),box-shadow var(--transition);}
.article-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);}
.article-card .kicker{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;color:var(--accent);}
.article-card h3{font-size:1.4rem;margin:10px 0;color:var(--text-primary);}
.article-card .dek{color:var(--text-secondary);font-size:1rem;}
.article-card .meta{margin-top:14px;font-size:0.82rem;color:var(--text-secondary);}

/* ── Article body ── */
.article{padding:64px 0;}
.article h1{font-size:clamp(2rem,4.5vw,3rem);margin-bottom:12px;}
.article .dek{font-size:1.2rem;color:var(--text-secondary);margin-bottom:8px;}
.article .byline{font-size:0.85rem;color:var(--text-secondary);border-bottom:1px solid var(--border-default);padding-bottom:24px;margin-bottom:28px;}
.article p{color:var(--text-primary);margin-bottom:18px;font-size:1.05rem;}
.article h2{font-size:1.5rem;margin:32px 0 12px;}

/* ── Institutional CTA ── */
.cta-band{background:var(--ground);background-image:var(--pinstripe);color:#fff;border-radius:var(--radius-lg);padding:56px 40px;text-align:center;}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,3.4vw,2.2rem);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,0.85);max-width:52ch;margin:0 auto 26px;}

/* ── Legal strip ── */
.legal-strip{background:var(--bg-elevated);border-top:1px solid var(--border-default);}
.legal-strip .wrap{padding:16px 24px;}
.legal-strip p{font-size:0.8rem;color:var(--text-secondary);margin:0;max-width:none;}

/* ── Footer ── */
.site-footer{background:var(--bg-surface);border-top:1px solid var(--border-subtle);padding:56px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:32px;}
.footer-tagline{color:var(--text-secondary);font-size:0.92rem;max-width:34ch;margin-top:12px;}
.footer-col h4{font-family:var(--font-body);font-size:0.72rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--text-secondary);margin-bottom:14px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px;}
.footer-col a{color:var(--text-secondary);font-size:0.9rem;}
.footer-col a:hover{color:var(--text-primary);}
.footer-base{margin-top:40px;padding-top:24px;border-top:1px solid var(--border-subtle);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:0.8rem;color:var(--text-tertiary);}

/* ── Responsive ── */
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .principles{grid-template-columns:1fr;}
}
@media (max-width:680px){
  .nav-links,.nav-cta .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .grid-3,.grid-4,.grid-2,.stats,.footer-grid{grid-template-columns:1fr;}
  section{padding:56px 0;}
  .hero .wrap{padding-top:64px;padding-bottom:64px;}
}