/* ============================================================
   Asymmetric Advantage — shared visual system
   Single source of truth for the design language.
   Homepage (index.html) adds its WebGL/cinematic styles inline.
   ============================================================ */
:root{
  /* Surface — luminance stack, near-black canvas */
  --bg:#030303; --bg-2:#070707; --bg-3:#0b0b0d;
  --panel:rgba(255,255,255,.025); --panel-2:rgba(255,255,255,.04);
  --hair:rgba(255,255,255,.07); --hair-2:rgba(255,255,255,.11);
  /* Ink — soft off-white, restrained dim tiers */
  --ink:#ECEEF2; --ink-2:#B7BFCB; --ink-3:#828B99; --ink-4:#535b67;
  /* One restrained accent (signal blue), used sparingly */
  --accent:#4FC3F7; --accent-deep:#1f7fd1; --accent-soft:rgba(79,195,247,.12);
  --glow:rgba(79,195,247,.34);
  --max:1240px; --measure:760px; --pad:clamp(22px,4.5vw,72px);
  --ease:cubic-bezier(.22,.61,.36,1); --ease-out:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{
  margin:0;color:var(--ink);font-family:Inter,Prompt,system-ui,sans-serif;font-size:16px;line-height:1.5;
  background:
    radial-gradient(140% 90% at 78% -8%, rgba(31,127,209,.16), transparent 52%),
    radial-gradient(120% 80% at 8% 4%, rgba(79,195,247,.07), transparent 46%),
    linear-gradient(180deg,#06070a 0%, #070809 42%, #090a0e 100%);
  overflow-x:hidden;
}
/* Engineered grid — masked, recedes into darkness */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  background:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:78px 78px;
  -webkit-mask-image:radial-gradient(120% 80% at 50% 18%,#000 0%,transparent 72%);
  mask-image:radial-gradient(120% 80% at 50% 18%,#000 0%,transparent 72%);opacity:.9}
/* Cinematic vignette + film grain */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:2;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E"),
    radial-gradient(130% 100% at 50% 14%,transparent 0,rgba(4,5,8,.10) 48%,rgba(4,5,8,.78) 100%);
  background-size:200px 200px, cover;mix-blend-mode:soft-light;opacity:.5}
a{color:inherit;text-decoration:none}
.mono{font-family:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;font-feature-settings:"tnum"}
.thai{font-family:Prompt,Inter,sans-serif}
.serif{font-family:"Cormorant Garamond",Georgia,serif}
.muted{color:var(--ink-2)}
.accent{color:var(--accent)}

.site{position:relative;z-index:3}

/* Scroll progress hairline */
.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:40;
  background:linear-gradient(90deg,var(--accent-deep),var(--accent));box-shadow:0 0 14px var(--glow)}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:30;display:flex;justify-content:center;
  padding:18px var(--pad);transition:padding .4s var(--ease),background .4s,border-color .4s;
  border-bottom:1px solid transparent}
.nav.scrolled{padding:13px var(--pad);background:rgba(6,7,10,.72);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);border-bottom-color:var(--hair)}
.nav-inner{width:min(100%,var(--max));display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative;z-index:2}
.brand{display:flex;align-items:center;gap:13px;letter-spacing:.16em;font-size:11px;font-weight:600;line-height:1.25;color:var(--ink)}
.mark{width:28px;height:34px;display:grid;place-items:center;flex:0 0 auto}.mark svg{width:28px;height:34px;overflow:visible}
.nav-links{display:flex;align-items:center;gap:30px;color:var(--ink-2);font-size:12px;letter-spacing:.04em}
.nav-links a{position:relative;padding:4px 0;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-1px;width:0;height:1px;background:var(--accent);transition:width .35s var(--ease)}
.nav-links a:hover{color:var(--ink)}.nav-links a:hover::after{width:100%}
.nav-links a[aria-current="page"]{color:var(--ink)}.nav-links a[aria-current="page"]::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:8px}
.lang{border:1px solid var(--hair-2);background:rgba(255,255,255,.03);color:var(--ink);border-radius:999px;
  padding:8px 14px;cursor:pointer;font:600 11px/1 Inter,Prompt,sans-serif;letter-spacing:.12em;min-width:52px;transition:border-color .3s,background .3s}
.lang:hover{border-color:var(--accent);background:var(--accent-soft)}
.menu-toggle{display:none;width:44px;height:38px;border:1px solid var(--hair-2);border-radius:999px;background:rgba(255,255,255,.03);cursor:pointer;position:relative;color:var(--ink);transition:border-color .25s,background .25s}
.menu-toggle span{position:absolute;left:13px;right:13px;height:1px;background:currentColor;transition:transform .28s var(--ease),top .28s var(--ease)}
.menu-toggle span:first-child{top:14px}.menu-toggle span:last-child{top:22px}
.menu-open .menu-toggle{background:var(--accent-soft);border-color:var(--accent)}
.menu-open .menu-toggle span:first-child{top:18px;transform:rotate(45deg)}
.menu-open .menu-toggle span:last-child{top:18px;transform:rotate(-45deg)}
.mobile-menu{display:none;position:absolute;top:calc(100% - 8px);left:var(--pad);right:var(--pad);z-index:1;padding:14px;border:1px solid var(--hair);border-radius:22px;background:rgba(8,10,14,.92);backdrop-filter:blur(18px) saturate(1.25);-webkit-backdrop-filter:blur(18px) saturate(1.25);box-shadow:0 24px 80px rgba(0,0,0,.38);opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease)}
.mobile-menu a{display:flex;align-items:center;justify-content:space-between;padding:15px 14px;border-radius:14px;color:var(--ink-2);font-size:15px;font-weight:600;letter-spacing:-.01em;border-top:1px solid rgba(255,255,255,.035)}
.mobile-menu a:first-child{border-top:0}.mobile-menu a::after{content:'→';color:var(--accent);opacity:.55}.mobile-menu a:hover,.mobile-menu a[aria-current="page"]{color:var(--ink);background:rgba(255,255,255,.045)}
.menu-open .mobile-menu{opacity:1;transform:none;pointer-events:auto}

/* Sections / rhythm */
section{position:relative;padding:clamp(88px,11.5vh,148px) var(--pad)}
.wrap{width:min(100%,var(--max));margin:0 auto;position:relative}
.narrow{width:min(100%,var(--measure))}
.eyebrow{display:inline-flex;align-items:center;gap:14px;color:var(--ink-2);font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:500;margin-bottom:30px}
.eyebrow::before{content:"";width:38px;height:1px;background:linear-gradient(90deg,transparent,var(--accent));box-shadow:0 0 10px var(--glow)}

h1,h2,h3{margin:0;text-wrap:balance;font-weight:500}
h1{font-size:clamp(48px,7.4vw,104px);line-height:.92;letter-spacing:-.03em;max-width:15ch}
h1 .sub{display:block;color:var(--ink-2);font-size:.5em;letter-spacing:-.01em;margin-top:.12em;font-style:italic;font-weight:400}
h2{font-size:clamp(34px,5.2vw,68px);line-height:1.0;letter-spacing:-.02em;max-width:18ch}
h3{font-size:clamp(20px,2.4vw,26px);line-height:1.18;letter-spacing:-.01em}
.thai h1,.thai h2,.thai h3{letter-spacing:-.01em;line-height:1.16;font-weight:500;font-family:Prompt,Inter,sans-serif}
.lead{max-width:64ch;color:var(--ink-2);font-size:clamp(16px,1.35vw,18px);line-height:1.56;margin:24px 0 0;font-weight:400}
.thai .lead{line-height:1.85}

/* Buttons */
.cta-row{display:flex;align-items:center;gap:20px;margin-top:28px;flex-wrap:wrap}
.cta{display:inline-flex;align-items:center;gap:12px;min-height:54px;padding:0 26px;border-radius:999px;
  color:var(--bg);font-weight:600;font-size:14.5px;letter-spacing:.01em;position:relative;
  background:linear-gradient(180deg,#9adcfb,var(--accent));
  box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 14px 40px -12px var(--glow);
  transition:transform .35s var(--ease),box-shadow .35s,filter .35s}
.cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 22px 56px -14px var(--glow)}
.cta-dot{width:7px;height:7px;background:var(--bg);border-radius:50%;opacity:.7}
.cta-arrow{transition:transform .35s var(--ease)}.cta:hover .cta-arrow{transform:translateX(4px)}
.btn-ghost{display:inline-flex;align-items:center;gap:11px;min-height:54px;padding:0 24px;border-radius:999px;
  border:1px solid var(--hair-2);color:var(--ink-2);font-weight:500;font-size:14px;letter-spacing:.02em;
  transition:border-color .3s,color .3s,background .3s,transform .3s var(--ease)}
.btn-ghost:hover{border-color:var(--accent);color:var(--ink);background:var(--accent-soft);transform:translateY(-2px)}
.btn-ghost .cta-arrow{color:var(--accent)}
.small-note{font-size:13.5px;color:var(--ink-2);max-width:34ch;line-height:1.55}

/* Asymmetric split, alternating rhythm */
.split{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(300px,.78fr);gap:clamp(40px,6vw,96px);align-items:center}
.split.alt .col-text{order:2}.split.alt .col-aside{order:1}
.index-num{font-family:ui-monospace,Menlo,monospace;font-size:13px;letter-spacing:.2em;color:var(--ink-3);margin-bottom:22px;display:flex;align-items:center;gap:12px}
.index-num b{color:var(--accent);font-weight:600}
.index-num span{flex:1;height:1px;background:var(--hair);max-width:120px}

/* Panels — subtle glass, luminance + hairline depth */
.panel{position:relative;border:1px solid var(--hair);border-radius:16px;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 28px 70px -32px rgba(0,0,0,.7);
  padding:clamp(26px,3vw,38px);overflow:hidden}
.panel::before{content:"";position:absolute;top:0;left:24px;right:24px;height:1px;background:linear-gradient(90deg,transparent,var(--accent-soft) 40%,transparent)}
.panel-title{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);margin-bottom:26px;display:flex;align-items:center;gap:10px}
.panel-title::before{content:"";width:6px;height:6px;border:1px solid var(--accent);transform:rotate(45deg)}
.assumption-list,.cost-list,.think-list{display:grid;gap:0}
.line-item{display:flex;gap:15px;align-items:flex-start;color:var(--ink);line-height:1.5;font-size:15.5px;
  padding:15px 0;border-top:1px solid var(--hair)}
.line-item:first-child{border-top:0;padding-top:2px}
.line-item::before{content:"";width:7px;height:7px;border:1px solid var(--accent);margin-top:.46em;transform:rotate(45deg);flex:0 0 auto;transition:background .3s}
.panel:hover .line-item::before{background:var(--accent-soft)}
.cost-list .line-item{font-size:15px;letter-spacing:.01em}
.cost-list .line-item::before{border-color:var(--ink-3);background:transparent;border-radius:0}
.think-list .line-item{font-size:14.5px;color:var(--ink-2)}
.think-list .line-item strong{color:var(--ink);font-weight:600}

/* Cards */
.grid-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:52px}
.card{position:relative;border:1px solid var(--hair);border-radius:14px;background:var(--panel);padding:28px;min-height:150px;
  transition:transform .4s var(--ease),border-color .4s,background .4s}
.card:hover{transform:translateY(-3px);border-color:var(--hair-2);background:var(--panel-2)}
.card .ck{font-family:Menlo,monospace;font-size:11px;color:var(--accent);letter-spacing:.12em;margin-bottom:14px}
.card strong{display:block;font-size:17px;font-weight:600;margin-bottom:10px;letter-spacing:-.01em}
.card p{margin:0;color:var(--ink-2);line-height:1.6;font-size:14.5px}
.card.not-fit{opacity:.62}.card.not-fit .ck{color:var(--ink-3)}

/* ---- Inner-page shared components ---- */
/* Page hero (smaller than homepage hero) */
.page-hero{padding-top:clamp(132px,20vh,184px);padding-bottom:clamp(40px,6vh,72px)}
.page-hero h1{font-size:clamp(40px,6vw,82px);max-width:18ch}
.crumb{display:inline-flex;align-items:center;gap:10px;font-family:Menlo,monospace;font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-3);margin-bottom:26px}
.crumb a{color:var(--ink-3);transition:color .3s}.crumb a:hover{color:var(--accent)}
.crumb span{color:var(--ink-4)}

/* Tag / pill */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid var(--hair);border-radius:999px;
  color:var(--ink-2);font-size:12px;letter-spacing:.04em}
.tag::before{content:"";width:5px;height:5px;border:1px solid var(--accent);transform:rotate(45deg);opacity:.85}

/* Numbered process steps */
.steps{display:grid;gap:0;margin-top:8px}
.step{display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,3vw,42px);align-items:start;
  padding:clamp(32px,4.5vh,52px) 0;border-top:1px solid var(--hair)}
.step:first-child{border-top:0}
.step .sn{font-family:ui-monospace,Menlo,monospace;font-size:13px;letter-spacing:.18em;color:var(--accent);padding-top:.5em}
.step h3{margin-bottom:14px}
.step p{margin:0;color:var(--ink-2);line-height:1.62;font-size:15.5px;max-width:62ch}
.step .step-meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}

/* Bottom CTA band */
.cta-band{border-top:1px solid var(--hair)}
.cta-band h2{font-size:clamp(32px,5vw,62px);max-width:20ch}

/* Footer */
.footer{padding:46px var(--pad) 64px;border-top:1px solid var(--hair);color:var(--ink-3);font-size:13px}
.footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
.footer .fbrand{display:flex;align-items:center;gap:10px;color:var(--ink-2)}
.footer .fbrand svg{width:18px;height:22px}
.footer nav{display:flex;flex-wrap:wrap;gap:22px}
.footer nav a{color:var(--ink-3);transition:color .3s}.footer nav a:hover{color:var(--ink)}

/* Reveal */
.reveal{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease-out),transform 1s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
.reveal.in .stagger>*{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.stagger>*:nth-child(2){transition-delay:.08s}
.stagger>*:nth-child(3){transition-delay:.16s}
.stagger>*:nth-child(4){transition-delay:.24s}
.stagger>*:nth-child(5){transition-delay:.32s}

/* Language toggle visibility */
.lang-th [data-en],.lang-en [data-th]{display:none!important}

@media(max-width:860px){
  .nav-links{display:none}
  .menu-toggle{display:block}
  .mobile-menu{display:block}
  .nav{padding-top:14px;padding-bottom:14px}
  .brand{font-size:10px;letter-spacing:.13em}
  .split{grid-template-columns:1fr;gap:38px}
  .split.alt .col-text{order:1}.split.alt .col-aside{order:2}
  .grid-cards{grid-template-columns:1fr}
  h1{font-size:clamp(46px,14vw,72px)}
  .step{grid-template-columns:1fr;gap:10px}
  .step .sn{padding-top:0}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.001ms!important}
  .reveal,.stagger>*{opacity:1;transform:none}
}


/* Brand system — derived from the Asymmetric Advantage CI logo */
.brand{gap:12px;min-width:0}
.brand .mark.brand-mark{width:34px;height:34px;border:1px solid rgba(255,255,255,.12);border-radius:10px;background:radial-gradient(circle at 50% 42%,rgba(255,255,255,.16),rgba(255,255,255,.02) 48%,transparent 72%);box-shadow:0 0 32px rgba(255,255,255,.08),inset 0 0 0 1px rgba(255,255,255,.04);overflow:hidden;display:grid;place-items:center;flex:0 0 auto}
.brand .mark.brand-mark svg{display:none}
.brand .mark.brand-mark img{width:92%;height:92%;object-fit:contain;filter:drop-shadow(0 0 10px rgba(255,255,255,.16))}
.brand-wordmark{display:flex;flex-direction:column;gap:2px;line-height:.9;letter-spacing:.18em;color:var(--ink);font-size:10px;font-weight:700;text-shadow:0 0 20px rgba(255,255,255,.08)}
.brand-wordmark span:last-child{font-size:8px;letter-spacing:.34em;color:var(--ink-3);font-weight:600}
.hero-brand-mark{width:76px;height:76px;margin:0 0 22px;border-radius:22px;border:1px solid rgba(255,255,255,.12);background:radial-gradient(circle at 50% 42%,rgba(255,255,255,.18),rgba(255,255,255,.035) 48%,transparent 76%);display:grid;place-items:center;box-shadow:0 0 68px rgba(255,255,255,.10),inset 0 0 0 1px rgba(255,255,255,.035)}
.hero-brand-mark img{width:84%;height:84%;object-fit:contain;filter:drop-shadow(0 0 16px rgba(255,255,255,.18))}
.footer-mark{width:24px;height:24px;object-fit:contain;margin-right:8px;vertical-align:middle;filter:drop-shadow(0 0 10px rgba(255,255,255,.12))}
.progress{background:linear-gradient(90deg,rgba(255,255,255,.34),rgba(255,255,255,.92));box-shadow:0 0 16px rgba(255,255,255,.12)}
.cta-dot{background:var(--ink);box-shadow:0 0 22px rgba(255,255,255,.18)}
.mobile-menu{background:linear-gradient(180deg,rgba(8,8,10,.96),rgba(3,3,3,.92));border-color:rgba(255,255,255,.12);box-shadow:0 24px 90px rgba(0,0,0,.45),0 0 52px rgba(255,255,255,.045)}
@media(max-width:620px){.brand-wordmark{display:none}.brand .mark.brand-mark{width:38px;height:38px}.hero-brand-mark{width:64px;height:64px;margin-bottom:18px}}


/* Public use-case article cards and Thai readability */
.usecase-section{padding-top:clamp(40px,7vh,90px)}
.usecase-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:clamp(26px,5vw,70px);align-items:end;margin-top:30px}
.usecase-head h2{max-width:13ch}.usecase-head p{color:var(--ink-2);line-height:1.78;font-size:clamp(16px,1.2vw,18px);margin:0}
.usecase-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:34px}
.usecase-card{min-height:245px;border:1px solid var(--hair);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.016));padding:24px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .35s var(--ease),border-color .35s,background .35s;color:var(--ink)}
.usecase-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025))}
.usecase-card .uc-n{font-family:Menlo,monospace;font-size:11px;letter-spacing:.14em;color:var(--ink-4)}
.usecase-card h3{font-size:clamp(20px,2vw,28px);line-height:1.18;letter-spacing:-.025em;margin:28px 0 0;color:var(--ink)}
.usecase-card p{color:var(--ink-2);line-height:1.72;font-size:15px;margin:18px 0 0}
.case-prose.thai-readable p,.case-prose p{letter-spacing:0}
@media(max-width:980px){.usecase-head{grid-template-columns:1fr}.usecase-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.usecase-grid{grid-template-columns:1fr}.usecase-card{min-height:auto}.usecase-head h2{max-width:16ch}}


/* ============================================================
   Polish pass — Thai-default typography, richer cards, softer
   conversation boxes. Appended so existing rules stay intact.
   ============================================================ */

/* Thai is the default reading experience: lead with Prompt, which
   actually carries Thai glyphs, and give Thai body text room to breathe.
   Latin labels keep their own (mono / serif) families set elsewhere. */
body.lang-th{font-family:Prompt,Inter,system-ui,sans-serif}
.lang-th p,.lang-th li{letter-spacing:0}
.lang-th h1,.lang-th h2,.lang-th h3{letter-spacing:-.005em}
/* Thai text must never inherit Cormorant/serif display fonts; they lack Thai glyphs in some browsers. */
h1.thai,h2.thai,h3.thai,.thai.serif,.lang-th .serif.thai{font-family:Prompt,Inter,system-ui,sans-serif;line-height:1.15;letter-spacing:-.015em;font-weight:500}
.lang-th .quote,.lang-th blockquote,.lang-th .case-standfirst,.lang-th .aside-quote{font-family:Prompt,Inter,system-ui,sans-serif;line-height:1.65;letter-spacing:0}
.lang-th .case-kicker,.lang-th .case-meta,.lang-th .chip,.lang-th .related .rel-label,.lang-th .rel-card .rc-t,.lang-th .rel-card .rc-go,.lang-th .index-num span[data-th],.lang-th .meta .thai,.lang-th .tagpill.thai{font-family:Prompt,Inter,system-ui,sans-serif;letter-spacing:0}
.lang-th .chip{text-transform:none}
.page-hero{padding-bottom:clamp(28px,4vh,54px)}

/* Use-case cards — give the lower half purpose and a clear read cue,
   so the cards feel intentional rather than bottom-heavy with empty space. */
.usecase-card{position:relative}
.usecase-card .uc-n{font-family:Menlo,monospace;font-size:11px;letter-spacing:.16em;color:var(--accent);opacity:.85}
.usecase-card h3{margin-top:18px}
.usecase-card p{flex:1 1 auto}
.usecase-card .uc-more{display:inline-flex;align-items:center;gap:9px;margin-top:22px;
  font-size:12.5px;letter-spacing:.02em;color:var(--ink-3);transition:color .35s var(--ease)}
.usecase-card .uc-more .cta-arrow{color:var(--accent);transition:transform .35s var(--ease)}
.usecase-card:hover .uc-more{color:var(--ink)}
.usecase-card:hover .uc-more .cta-arrow{transform:translateX(5px)}

/* Footer balance — center the row on a single column once the brand and
   nav can no longer sit comfortably side by side. */
@media(max-width:560px){
  .footer .wrap{flex-direction:column;align-items:flex-start;gap:18px}
  .footer nav{gap:16px 20px}
}


/* ============================================================
   Polish pass 2 — calmer rhythm, editorial article furniture,
   a fuller Thinking grid. Appended; earlier rules stay intact.
   ============================================================ */

/* Calmer vertical rhythm on phones — generous whitespace is premium,
   but stacked full-bleed sections were opening cavernous gaps on mobile. */
@media(max-width:680px){
  section{padding-top:clamp(56px,9vh,82px);padding-bottom:clamp(56px,9vh,82px)}
  .page-hero{padding-top:clamp(104px,15vh,140px);padding-bottom:clamp(20px,3vh,36px)}
  .grid-cards{margin-top:34px}
}

/* Quiet status / read-time / category chip — a single calm pill. */
.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--hair);
  border-radius:999px;font-family:Menlo,monospace;font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-3);white-space:nowrap}
.chip::before{content:"";width:5px;height:5px;border:1px solid var(--accent);transform:rotate(45deg);opacity:.85}

/* Related cases — stop article pages from being dead ends, in the
   reading column so it reads as part of the memo, not a web footer. */
.related{border-top:1px solid var(--hair);margin-top:clamp(46px,7vh,72px);padding-top:clamp(28px,4vh,40px)}
.related .rel-label{font-family:Menlo,monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:22px;display:flex;align-items:center;gap:10px}
.related .rel-label::before{content:"";width:6px;height:6px;border:1px solid var(--accent);transform:rotate(45deg)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.rel-card{display:flex;flex-direction:column;gap:14px;border:1px solid var(--hair);border-radius:16px;
  background:var(--panel);padding:22px;min-height:148px;
  transition:transform .35s var(--ease),border-color .35s,background .35s}
.rel-card:hover{transform:translateY(-3px);border-color:var(--hair-2);background:var(--panel-2)}
.rel-card .rc-n{font-family:Menlo,monospace;font-size:11px;letter-spacing:.14em;color:var(--accent)}
.rel-card .rc-t{font-size:16px;line-height:1.45;color:var(--ink);letter-spacing:-.005em;font-weight:500}
.rel-card .rc-go{margin-top:auto;font-size:12.5px;color:var(--ink-3);display:inline-flex;align-items:center;gap:8px;letter-spacing:.01em}
.rel-card .rc-go .cta-arrow{color:var(--accent);transition:transform .35s var(--ease)}
.rel-card:hover .rc-go{color:var(--ink)}.rel-card:hover .rc-go .cta-arrow{transform:translateX(4px)}
@media(max-width:760px){.rel-grid{grid-template-columns:1fr}.rel-card{min-height:auto}}