/* Homepage: the night outside. Composition locked to approved concept B2. */
body.night{background:var(--night);color:var(--cream)}
body.night .synthetic-bar{background:#0C0910}
.hero{position:relative;min-height:calc(100svh - 32px);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);grid-template-rows:auto 1fr;align-items:center;column-gap:4vw;
  padding:0 6vw 7vh;overflow:hidden;background:radial-gradient(50vw 50vh at 74% 94%,#FFB54729,transparent 70%),var(--night)}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#ffffff06 1px,transparent 1px) 0 0/80px 100%;pointer-events:none}
.hero-top{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;padding:24px 0}
.hero-top .brand{font-size:18px}
.hero-link{color:var(--mist);font:600 14px var(--ui);text-decoration:none;padding:10px 12px;border-radius:10px}
.hero-link:hover{color:var(--cream);background:#ffffff10}
.hero-nav{display:flex;gap:4px}
.hero-link .nav-sm{display:none}
@media(max-width:600px){
  .hero-nav{gap:18px;align-items:center}
  .hero-link{display:inline-flex;align-items:center;min-height:44px;padding:0 10px}
  .hero-link+.hero-link{position:relative}
  .hero-link+.hero-link::before{content:'';position:absolute;left:-9.5px;top:50%;width:1px;height:16px;margin-top:-8px;background:var(--edge);pointer-events:none}
  .hero-link .nav-lg{display:none}.hero-link .nav-sm{display:inline}
}
.pep{display:inline-flex;align-items:center;gap:12px;font:600 13px/1 var(--ui);letter-spacing:.14em;text-transform:uppercase;color:var(--coral)}
.pep::before{content:'';width:24px;height:2px;background:var(--coral)}
.hero h1{margin-top:22px;font:400 clamp(56px,8.2vw,140px)/.86 var(--impact);letter-spacing:-.03em;text-transform:uppercase}
.hero h1 span{display:block;color:var(--lantern)}
.hero-lede{max-width:46ch;margin-top:28px;color:var(--mist);font-size:clamp(17px,1.35vw,19px);line-height:1.6}
.hero .actions{margin-top:32px;gap:14px}
.btn.ghost{background:transparent;color:var(--cream);box-shadow:inset 0 0 0 1.5px var(--edge)}
.btn.ghost:hover{background:#ffffff0c;box-shadow:inset 0 0 0 1.5px var(--mist)}
.house{position:relative;justify-self:center;width:min(38vw,500px);margin:0}
.house svg{width:100%;height:auto;overflow:visible;display:block}
.how{padding:72px 6vw 96px;background:var(--night);border-top:1px solid var(--edge)}
.how .lbl{color:var(--lantern)}
.how ol{list-style:none;counter-reset:s;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.how li{counter-increment:s;color:var(--mist);font-size:16px}
.how li::before{content:counter(s,decimal-leading-zero);display:block;font:400 13px var(--mono);color:var(--mist-2);margin-bottom:12px}
.how b{display:block;color:var(--cream);font:400 22px/1.1 var(--impact);margin-bottom:10px}
@media(max-width:900px){
  .hero{grid-template-columns:1fr;min-height:auto;padding-bottom:56px}
  .hero-copy{order:2}
  .house{order:1;width:min(62vw,300px);margin:8px 0 28px}
  .hero h1{font-size:clamp(48px,15vw,84px)}
  .how ol{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){.how ol{grid-template-columns:1fr}.hero .actions .btn{width:100%}}
.how-guided{margin:32px 0 0}

/* Use cases and principles */
.uc,.pr{padding:84px 6vw;background:var(--night);border-top:1px solid var(--edge)}
.uc-h{max-width:18ch;font:400 clamp(34px,5vw,68px)/1 var(--impact);letter-spacing:-.02em;text-transform:uppercase;color:var(--cream)}
.uc-h span{color:var(--lantern);display:block}
.uc-lede{max-width:62ch;margin-top:18px;color:var(--mist);font-size:clamp(17px,1.35vw,19px);line-height:1.6}
.uc-grid{list-style:none;margin:48px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.uc-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-l);background:var(--dusk);box-shadow:inset 0 0 0 1px var(--edge)}
.uc-card img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;filter:saturate(.82) contrast(1.03) sepia(.1)}
.uc-body{display:flex;flex-direction:column;flex:1;padding:24px}
.uc-who{color:var(--lantern);font:600 13px/1.3 var(--ui);letter-spacing:.08em;text-transform:uppercase}
.uc-card h3{margin-top:10px;color:var(--cream);font:400 clamp(22px,2.2vw,28px)/1.12 var(--impact)}
.uc-body>p:not(.uc-who){margin-top:12px;color:var(--mist);font-size:16px;line-height:1.55}
.uc-mail{margin-top:auto;padding:14px 16px;border-radius:var(--r-m);background:var(--cream);color:var(--ink)}
.uc-body>p+.uc-mail{margin-top:20px}
.uc-from{display:block;color:var(--ink-2);font:600 12px var(--ui)}
.uc-mail q{display:block;margin-top:4px;font:700 18px/1.3 var(--ui);quotes:'“' '”'}
.uc-then{display:block;margin-top:8px;color:var(--ink-2);font:500 14.5px/1.4 var(--ui)}
.uc-note{max-width:70ch;margin-top:26px;color:var(--mist);font-size:15px}
.uc-cta{margin-top:24px}
.pr-list{list-style:none;margin:44px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 48px}
.pr-list li{padding-top:18px;border-top:2px solid var(--lantern)}
.pr-list h3{color:var(--cream);font:400 clamp(21px,2vw,26px)/1.14 var(--impact)}
.pr-list p{margin-top:10px;color:var(--mist);font-size:16.5px;line-height:1.55}
.pr-status{display:inline-block;margin-top:12px;padding:5px 10px;border-radius:8px;background:#ffffff12;color:var(--cream);font:600 13.5px/1.3 var(--ui)}
.uc-credit{margin-top:44px;color:var(--mist);font-size:13.5px}
@media(max-width:760px){.uc,.pr{padding:60px 20px}.uc-grid,.pr-list{grid-template-columns:1fr}.uc-body{padding:20px}.uc .btn{width:100%}}
/* A single invitation after the value and principles; ordinary link works without JavaScript. */
.pilot-invite{padding:clamp(52px,6vw,86px) 6vw;background:radial-gradient(55% 90% at 85% 100%,#FFB54726,transparent),var(--dusk);border-top:1px solid var(--edge)}
.pilot-invite .lbl{color:var(--lantern)}
.pilot-invite h2{max-width:18ch;margin-top:14px;font:400 clamp(30px,4.5vw,58px)/1.08 var(--impact);text-transform:uppercase}
.pilot-invite p:not(.lbl){max-width:52ch;margin:16px 0 22px;color:var(--mist);font-size:17px}
@media(max-width:760px){.pilot-invite{padding:52px 20px}.pilot-invite .btn{width:100%}}
/* Why HeyHab: a short pointer to the story, then the site footer. */
.why{padding:72px 6vw 80px;background:var(--night);border-top:1px solid var(--edge)}
.why .lbl{color:var(--lantern)}
.why p{max-width:60ch;margin-top:16px;color:var(--cream);font-size:clamp(17px,1.35vw,19px);line-height:1.65}
.why-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin-top:12px;color:var(--lantern);font:700 15px var(--ui);text-decoration:none}
.why-link:hover{text-decoration:underline;text-underline-offset:4px}
.site-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;padding:28px 6vw 40px;background:#0C0910;border-top:1px solid var(--edge)}
.site-foot nav{display:flex;flex-wrap:wrap;gap:4px 8px}
.site-foot nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 8px;color:var(--mist);font:600 14px var(--ui);text-decoration:none}
.site-foot nav a:hover{color:var(--cream)}
.site-foot nav a[aria-current="page"]{color:var(--cream)}
@media(max-width:760px){.why{padding:56px 20px 64px}.site-foot{padding:24px 20px 36px}.site-foot nav{margin-left:-8px}}