/* ============================================================
   Chiho Song / Spheno Labs — design system
   Light editorial. Fraunces display + Inter text.
   ============================================================ */

:root{
  --paper:#FBFAF7;
  --paper-2:#F4F2EC;
  --card:#FFFFFF;
  --ink:#17150F;
  --ink-2:#46433B;
  --muted:#7A766B;
  --line:#E7E3D9;
  --line-2:#DAD5C8;
  --accent:#0F5C4E;     /* deep clinical teal */
  --accent-2:#0B7A66;   /* brighter teal */
  --accent-wash:#EAF2EF;
  --gold:#9A7B3F;
  --radius:14px;
  --radius-lg:22px;
  --maxw:1120px;
  --gutter:28px;        /* horizontal page gutter; reduced on small screens */
  --shadow:0 1px 2px rgba(23,21,15,.04), 0 12px 32px -16px rgba(23,21,15,.18);
  --shadow-lg:0 2px 4px rgba(23,21,15,.05), 0 30px 60px -28px rgba(23,21,15,.28);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  overflow-x:hidden;
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:#fff}

.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}

/* ---------- type ---------- */
h1,h2,h3{font-family:'Fraunces',Georgia,'Times New Roman',serif;font-weight:560;letter-spacing:-.012em;line-height:1.06;margin:0}
.display{font-family:'Fraunces',Georgia,serif;font-weight:560;letter-spacing:-.02em}
.eyebrow{
  font-size:12.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);display:inline-block;
}
.eyebrow.muted{color:var(--muted)}
.lead{font-size:19px;line-height:1.62;color:var(--ink-2);max-width:62ch;margin:0}
.small{font-size:14px;color:var(--muted)}
.serif-accent{font-style:italic;color:var(--accent)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .25s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:18px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-weight:600;font-size:19px;letter-spacing:-.01em}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-wash)}
.nav-links{list-style:none;display:flex;align-items:center;gap:6px;margin:0;padding:0}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--ink-2);padding:9px 14px;border-radius:9px;transition:color .18s,background .18s}
.nav-links a:hover{color:var(--ink);background:var(--paper-2)}
.nav-cta{color:#fff!important;background:var(--accent);padding:9px 18px!important}
.nav-cta:hover{background:var(--accent-2)!important;color:#fff!important}
.nav-toggle{display:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:550;padding:13px 22px;border-radius:11px;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .18s,border-color .18s,box-shadow .18s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2);box-shadow:0 10px 24px -12px rgba(15,92,78,.7)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-secondary:hover{border-color:var(--ink);background:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.arrow{transition:transform .18s}
.btn:hover .arrow,.link:hover .arrow{transform:translateX(3px)}
.link{display:inline-flex;align-items:center;gap:7px;font-weight:560;color:var(--accent);font-size:15px}
.link:hover{color:var(--accent-2)}

/* ---------- hero ---------- */
.hero{padding-top:84px;padding-bottom:64px}
.hero h1{font-size:clamp(40px,6.4vw,74px)}
.hero .lead{margin-top:26px;font-size:20px}
.hero .btn-row{margin-top:36px}
.hero-meta{margin-top:54px;display:flex;flex-wrap:wrap;gap:36px;padding-top:30px;border-top:1px solid var(--line)}
.hero-meta .stat{display:flex;flex-direction:column;gap:3px}
.hero-meta .stat b{font-family:'Fraunces',serif;font-size:30px;font-weight:560;letter-spacing:-.02em}
.hero-meta .stat span{font-size:13px;color:var(--muted);letter-spacing:.02em}

/* ---------- sections ---------- */
.section{padding-top:84px;padding-bottom:84px}
.section-head{max-width:64ch}
.section-head h2{font-size:clamp(28px,3.6vw,40px);margin-top:14px}
.section-head .lead{margin-top:18px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.split-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 34px;display:flex;flex-direction:column;gap:14px;transition:transform .2s,box-shadow .2s,border-color .2s}
.split-side:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-2)}
.split-tag{font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.split-title{font-size:25px;margin-top:2px}
.split-desc{color:var(--ink-2);font-size:16px;margin:0;flex:1}

/* ---------- cards / product grid ---------- */
.grid{display:grid;gap:22px}
.grid>*{min-width:0}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;gap:12px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card.hover:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card .kicker{font-size:12.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--accent)}
.card h3{font-size:21px}
.card p{color:var(--ink-2);font-size:15.5px;margin:0;flex:1}

/* status pill */
.pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2);background:var(--paper-2);border:1px solid var(--line);padding:5px 11px;border-radius:999px;width:fit-content}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--muted)}
.pill.live .dot{background:var(--accent-2)}
.pill.live{color:var(--accent);background:var(--accent-wash);border-color:#cfe6df}
.pill.alpha .dot{background:var(--gold)}
.pill.alpha{color:#7a6126;background:#f6f0e2;border-color:#e7dcc2}

/* ---------- product portfolio (Sphenoid OS) ---------- */
.os-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.app{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;display:flex;flex-direction:column;gap:12px;min-height:188px;transition:transform .2s,box-shadow .2s,border-color .2s}
.app:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.app-ico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:var(--accent-wash);color:var(--accent);border:1px solid #d6e8e2}
.app-ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7}
.app h3{font-size:19px;font-family:'Fraunces',serif}
.app .app-sub{font-size:14.5px;color:var(--ink-2);margin:0;flex:1}
.app .app-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:4px}
.app-link{font-size:13.5px;font-weight:560;color:var(--accent);display:inline-flex;align-items:center;gap:5px}

/* ---------- process / steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{border-top:2px solid var(--ink);padding-top:18px}
.step .n{font-family:'Fraunces',serif;font-size:13px;color:var(--accent);font-weight:600;letter-spacing:.08em}
.step h4{font-size:18px;margin:8px 0 8px;font-family:'Fraunces',serif;font-weight:560}
.step p{font-size:14.5px;color:var(--ink-2);margin:0}
.step .meta{display:block;margin-top:12px;font-size:12.5px;color:var(--muted);letter-spacing:.03em}

/* ---------- timeline (about) ---------- */
.tl{display:flex;flex-direction:column}
.tl-row{display:grid;grid-template-columns:180px 1fr;gap:28px;padding:26px 0;border-top:1px solid var(--line)}
.tl-row:last-child{border-bottom:1px solid var(--line)}
.tl-when{font-size:13.5px;color:var(--muted);font-weight:500;padding-top:4px;letter-spacing:.02em}
.tl-role{font-family:'Fraunces',serif;font-size:20px;font-weight:560;letter-spacing:-.01em}
.tl-org{font-size:14.5px;color:var(--accent);font-weight:550;margin:3px 0 9px}
.tl-desc{font-size:15px;color:var(--ink-2);margin:0;max-width:62ch}

/* ---------- skills ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{font-size:13.5px;border:1px solid var(--line-2);background:#fff;border-radius:999px;padding:8px 15px;color:var(--ink-2)}
.chip b{color:var(--ink);font-weight:600}

/* ---------- pricing ---------- */
.price-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:22px}
.price{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 34px;display:flex;flex-direction:column;gap:10px}
.price.feature{background:linear-gradient(180deg,#fff, #fbfdfc);border-color:#cfe6df}
.price .amt{font-family:'Fraunces',serif;font-size:46px;font-weight:560;letter-spacing:-.02em;display:flex;align-items:baseline;gap:6px}
.price .amt .per{font-family:'Inter',sans-serif;font-size:15px;color:var(--muted);font-weight:500}
.price .pdesc{color:var(--ink-2);font-size:15px;margin:6px 0 0}
.price .note{font-size:13px;color:var(--muted);margin-top:auto;padding-top:10px}

/* deliverables list */
.deliv{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.deliv .d{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:9px}
.deliv .d .dn{font-family:'Fraunces',serif;font-size:13px;color:var(--accent);font-weight:600}
.deliv .d h4{font-size:18px;margin:2px 0 0;font-family:'Fraunces',serif;font-weight:560}
.deliv .d p{font-size:14.5px;color:var(--ink-2);margin:0}
.deliv .d .tag{margin-top:8px;font-size:12.5px;color:var(--muted)}

/* ---------- showcase panel ---------- */
.panel{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:40px;overflow:hidden;position:relative}
.panel .panel-grid{position:absolute;inset:0;opacity:.06;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:46px 46px}
.mock{position:relative;background:#0f0e0b;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:20px;max-width:420px}
.mock .bar{display:flex;align-items:center;gap:7px;margin-bottom:14px}
.mock .bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.25);display:inline-block}
.mock .ttl{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.12em;text-transform:uppercase}

/* ---------- cta block ---------- */
.cta{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:64px 48px;text-align:center}
.cta h2{font-size:clamp(28px,4vw,42px);color:#fff}
.cta .lead{color:rgba(255,255,255,.74);margin:18px auto 0;text-align:center}
.cta .btn-row{justify-content:center;margin-top:30px}
.cta .btn-secondary{color:#fff;border-color:rgba(255,255,255,.28)}
.cta .btn-secondary:hover{border-color:#fff;background:rgba(255,255,255,.06)}

/* ---------- forms ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row>*{min-width:0}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{font-family:inherit;font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--line-2);border-radius:10px;padding:12px 14px;width:100%;min-width:0;transition:border-color .18s,box-shadow .18s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash);background:#fff}
.field textarea{min-height:130px;resize:vertical}

/* ---------- contact cards ---------- */
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.info-card h4{font-family:'Fraunces',serif;font-size:18px;font-weight:560;margin:0 0 6px}
.info-card a{color:var(--accent);font-weight:550}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);margin-top:40px;padding:48px 0}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-weight:600}
.footer-meta{font-size:13px;color:var(--muted);max-width:48ch}
.footer-links{list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px;margin:0;padding:0}
.footer-links a{font-size:14px;color:var(--ink-2)}
.footer-links a:hover{color:var(--accent)}

/* ---------- utility ---------- */
.center{text-align:center}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-40{margin-top:40px}.mt-64{margin-top:64px}
/* Reveal is only hidden when JS is present to un-hide it. Without JS
   (.js never added) content stays fully visible — no blank page. */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}
.js .reveal.in{opacity:1;transform:none}

/* ============================================================
   Motion — restrained, editorial. All gated behind .js so the
   site is fully visible if scripts never run, and fully disabled
   under prefers-reduced-motion.
   ============================================================ */

/* ---- page-load hero entrance (staggered) ---- */
/* Only opt the hero in once JS confirms it can drive the reveal,
   so the content is never stuck hidden. */
.js .hero .reveal{opacity:0;transform:translateY(18px)}
.js.is-loaded .hero .reveal{opacity:1;transform:none}
.js.is-loaded .hero .reveal{transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.js.is-loaded .hero .eyebrow.reveal{transition-delay:.05s}
.js.is-loaded .hero h1.reveal{transition-delay:.13s}
.js.is-loaded .hero .lead.reveal{transition-delay:.22s}
.js.is-loaded .hero .btn-row.reveal{transition-delay:.32s}
.js.is-loaded .hero .hero-photo.reveal{transition-delay:.24s}
.js.is-loaded .hero .hero-meta.reveal{transition-delay:.42s}

/* ---- hero photo: subtle settle (no parallax, no looping) ---- */
.js .hero-photo img{transition:transform .9s cubic-bezier(.22,.61,.36,1)}
.js .hero-photo.reveal img{transform:scale(1.012)}
.js.is-loaded .hero-photo.reveal img{transform:none}

/* ---- link underline transition ---- */
/* Inline accent links (the .link class) get a wipe-in underline. */
.link{position:relative}
.link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;
  background:currentColor;transform:scaleX(0);transform-origin:left center;
  transition:transform .28s cubic-bezier(.22,.61,.36,1);
}
.link:hover::after{transform:scaleX(1)}
/* keep the arrow links (which end in →) from underlining the whole row awkwardly */
.link:has(.arrow)::after{right:1.4em}

/* footer text links: animated underline */
.footer-links a{position:relative}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left center;
  transition:transform .26s cubic-bezier(.22,.61,.36,1);
}
.footer-links a:hover::after{transform:scaleX(1)}

/* ---- button polish: gentle lift on hover ---- */
.btn-primary,.btn-secondary{will-change:transform}
.btn-primary:hover{transform:translateY(-2px)}
.btn-secondary:hover{transform:translateY(-2px)}
.nav-cta{transition:transform .15s,background .18s}
.nav-cta:hover{transform:translateY(-1px)}

/* ---- card / panel lift refinement (smoother easing) ---- */
.card.hover,.app,.split-side{transition:transform .26s cubic-bezier(.22,.61,.36,1),box-shadow .26s ease,border-color .26s ease}

/* ---- stat count-up: avoid layout shift by reserving space ---- */
.hero-meta .stat b{font-variant-numeric:tabular-nums}

/* ---- gentle background gradient drift (very slow, low-contrast) ---- */
/* Sits behind the hero only; pointer-events none; tiny opacity.
   overflow:hidden clips the pseudo-element's blur + drift scale so it can
   never add to the page scrollWidth (body overflow-x:hidden does not clip
   absolutely-positioned descendants). Horizontal inset is kept at 0 so the
   element never extends past the hero box. */
.hero{position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;z-index:-1;inset:-10% 0 auto 0;height:420px;
  pointer-events:none;
  background:
    radial-gradient(38% 60% at 22% 30%, rgba(15,92,78,.07), transparent 70%),
    radial-gradient(34% 56% at 82% 18%, rgba(154,123,63,.05), transparent 72%);
  filter:blur(8px);
  opacity:0;
}
.js.is-loaded .hero::before{opacity:1;transition:opacity 1.2s ease;animation:heroDrift 26s ease-in-out infinite alternate}
@keyframes heroDrift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(-2.5%,1.5%,0) scale(1.06)}
}

/* ============================================================
   Motion — second pass. Richer, still restrained and clinical.
   Everything below is gated behind .js (so a no-JS visitor sees
   fully visible, static content) and fully neutralised under
   prefers-reduced-motion (see the block further down).
   No layout shift, no horizontal overflow: effects use opacity,
   transform (Y/scale only — never X past the box), scaleX origin
   left, and clipped pseudo-elements.
   ============================================================ */

/* ---- section-head: eyebrow / title / body cascade ----
   The whole .section-head is one .reveal. Once it gets .in we
   stagger its direct children so the heading assembles itself
   rather than appearing as a single block. */
.js .section-head.reveal>*{
  opacity:0;transform:translateY(12px);
  transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1);
}
.js .section-head.reveal.in>*{opacity:1;transform:none}
.js .section-head.reveal.in>*:nth-child(1){transition-delay:.0s}
.js .section-head.reveal.in>*:nth-child(2){transition-delay:.09s}
.js .section-head.reveal.in>*:nth-child(3){transition-delay:.18s}
.js .section-head.reveal.in>*:nth-child(4){transition-delay:.27s}

/* eyebrow accent rule: a short line draws in beside the kicker once
   its section-head reveals. Decorative, brand-consistent. The
   section-head is clipped so the absolutely-positioned line can never
   add to page scrollWidth, and the line is suppressed on narrow
   screens where there may be no spare horizontal room. */
.section-head{overflow:hidden}
.js .section-head .eyebrow{position:relative}
.js .section-head .eyebrow::after{
  content:"";position:absolute;top:50%;left:calc(100% + 12px);
  width:34px;height:1.5px;background:var(--accent);opacity:.45;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .6s cubic-bezier(.22,.61,.36,1) .25s;
}
.js .section-head.reveal.in .eyebrow::after{transform:scaleX(1)}
@media(max-width:560px){.js .section-head .eyebrow::after{display:none}}

/* ---- grid / list stagger ----
   Reveal items inside a grid (cards, apps, deliverables) one after
   another. JS sets --i on each so the delay scales with position
   without per-item CSS. Capped in JS so late items don't lag. */
.js .reveal[style*="--i"],
.js .grid>.reveal,
.js .os-grid>.reveal,
.js .deliv>.reveal,
.js .steps>.reveal{
  transition-delay:calc(var(--i, 0) * 70ms);
}

/* ---- cards: accent top-line sweep + lift on hover/focus ----
   A thin accent line wipes across the top edge. Pure pseudo-element,
   clipped by the card's border-radius via overflow hidden on the
   line container; the card itself keeps overflow visible for shadow. */
.card.hover,.split-side,.app{position:relative}
.card.hover::after,.split-side::after,.app::after{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  border-radius:2px 2px 0 0;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .4s cubic-bezier(.22,.61,.36,1);
  pointer-events:none;
}
.js .card.hover:hover::after,.js .card.hover:focus-visible::after,
.js .split-side:hover::after,.js .split-side:focus-visible::after,
.js .app:hover::after,.js .app:focus-visible::after{transform:scaleX(1)}

/* keyboard focus: same lift as hover so focus is clearly visible */
.js .card.hover:focus-visible,.js .split-side:focus-visible,.js .app:focus-visible{
  transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2);
  outline:2px solid transparent;
}

/* ---- Sphenoid OS app tiles: icon settle on hover ---- */
.app .app-ico{transition:transform .3s cubic-bezier(.22,.61,.36,1),background .3s ease}
.js .app:hover .app-ico,.js .app:focus-visible .app-ico{transform:translateY(-2px) scale(1.04)}
.app-link .arrow,.app-link svg{transition:transform .18s}
.js .app:hover .app-link .arrow{transform:translateX(3px)}

/* ---- nav: hover indicator + current-page underline ----
   A sliding underline grows from the link centre. The active page
   (marked by JS with .is-current / aria-current) stays underlined. */
.nav-links a:not(.nav-cta){position:relative}
.nav-links a:not(.nav-cta)::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:1.5px;
  background:var(--accent);transform:scaleX(0);transform-origin:center;
  transition:transform .26s cubic-bezier(.22,.61,.36,1);
}
.js .nav-links a:not(.nav-cta):hover::after{transform:scaleX(1)}
.js .nav-links a.is-current{color:var(--ink)}
.js .nav-links a.is-current::after{transform:scaleX(1);background:var(--accent);opacity:.85}

/* ---- CTA / link arrows: clearer movement on hover & focus ---- */
.js .btn:focus-visible .arrow,.js .link:focus-visible .arrow{transform:translateX(3px)}

/* ---- timeline (about): connecting line draws + dot marker ----
   Each row gets a left rail that grows downward as the row reveals,
   plus a node dot. Uses padding-left already implied by the grid;
   we add a marker column inside the existing first cell area without
   shifting layout (absolute, within the row's own box). */
.tl{position:relative}
.tl-row{position:relative}
.js .tl-row::before{
  content:"";position:absolute;left:0;top:26px;width:2px;height:0;
  background:linear-gradient(180deg,var(--accent),transparent);
  opacity:.5;transition:height .7s cubic-bezier(.22,.61,.36,1) .1s;
}
.js .tl-row.reveal.in::before{height:calc(100% - 26px)}
.js .tl-row::after{
  content:"";position:absolute;left:-3px;top:30px;width:8px;height:8px;
  border-radius:50%;background:var(--accent);
  transform:scale(0);transition:transform .4s cubic-bezier(.34,1.4,.64,1) .2s;
}
.js .tl-row.reveal.in::after{transform:scale(1)}
@media(min-width:901px){
  /* keep the rail clear of the date column gutter on wide screens */
  .js .tl-row::before,.js .tl-row::after{left:-2px}
}

/* ---- process steps: top rule draws in on reveal ---- */
.step{position:relative;border-top-color:transparent}
.step::before{
  content:"";position:absolute;left:0;top:-2px;height:2px;width:100%;
  background:var(--ink);transform:scaleX(0);transform-origin:left center;
}
.js .step.reveal.in::before{transform:scaleX(1);transition:transform .6s cubic-bezier(.22,.61,.36,1)}
/* no-JS / no-reveal fallback: keep the original solid border visible */
.step{border-top:2px solid var(--ink)}
.js .step{border-top-color:transparent}
.js .step.reveal:not(.in){border-top-color:transparent}

/* ---- pricing & deliverables: subtle hover highlight ---- */
.price,.deliv .d,.info-card{transition:transform .26s cubic-bezier(.22,.61,.36,1),box-shadow .26s ease,border-color .26s ease}
.js .price:hover,.js .deliv .d:hover,.js .info-card:hover{
  transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2);
}

/* ---- chips (about/skills): gentle hover lift ---- */
.chip{transition:transform .2s ease,border-color .2s ease,background .2s ease}
.js .chip:hover{transform:translateY(-2px);border-color:var(--accent);background:var(--accent-wash)}

/* ---- brand dot: soft pulse on the live nav brand only ----
   Single, slow, low-contrast ring; not a looping attention-grab on
   the page body. Applied to the nav brand dot via .brand-dot. */
.js .nav .brand-dot{position:relative}
.js .nav .brand-dot::after{
  content:"";position:absolute;inset:0;border-radius:50%;
  box-shadow:0 0 0 0 rgba(15,92,78,.35);
  animation:brandPulse 4.5s ease-out infinite;
}
@keyframes brandPulse{
  0%{box-shadow:0 0 0 0 rgba(15,92,78,.30)}
  60%,100%{box-shadow:0 0 0 7px rgba(15,92,78,0)}
}

/* ============================================================
   Motion — third pass. More expressive, still premium and calm.
   Everything is gated behind .js and neutralised under
   prefers-reduced-motion (extended in the block below). Effects use
   opacity, scale, and Y/clipped scaleX transforms only — never an
   X-translate or shadow that can extend past a clipping box, so the
   page scrollWidth is never inflated.
   ============================================================ */

/* ---- 1. page-load: header + whole-page settle ----
   The nav slides down and the first paint of <main> eases up a touch.
   No blank screen: content is visible immediately (only transformed),
   and .is-loaded is set on the next frame / on a 1.2s safety timeout. */
.js .nav{will-change:transform,opacity}
.js:not(.is-loaded) .nav{opacity:0;transform:translateY(-10px)}
.js .nav{transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1),border-color .25s}
.js.is-loaded .nav{opacity:1;transform:none}
/* a barely-there settle of the page body so even non-hero pages feel
   like they "arrive" rather than snap in. Crucially this never blanks
   the screen: the start opacity is high (.6, not 0) so all content is
   legible from the first paint, and it eases to full on .is-loaded
   (set next-frame, or by the 1.2s safety timeout). */
.js:not(.is-loaded) main{opacity:.6}
.js main{transition:opacity .55s ease}
.js.is-loaded main{opacity:1}

/* ---- 2. scroll progress line ----
   A hairline accent bar pinned under the sticky nav. Width is driven
   by a --scroll custom property (0..1) set from JS with rAF. It is
   inside the nav's own box (which is full-bleed but has no horizontal
   overflow), uses transform:scaleX so it never affects layout width,
   and is purely decorative (aria-hidden in markup). */
.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  transform:scaleX(var(--scroll,0));transform-origin:left center;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  opacity:0;transition:opacity .3s ease;pointer-events:none;z-index:1;
}
.js.is-loaded .scroll-progress{opacity:.9}

/* ---- 3. magnetic CTAs ----
   Primary buttons + nav CTA get a tiny pointer-follow translate driven
   by --mx/--my (px, set by JS, clamped to a few px). Falls back to the
   existing hover lift if JS doesn't set the vars. Transform is layered
   over the hover lift via a single declaration so they don't conflict. */
.js .btn-primary,.js .nav-cta{
  transform:translate(var(--mx,0),var(--my,0));
  transition:transform .18s cubic-bezier(.22,.61,.36,1),background .18s,box-shadow .18s;
}
.js .btn-primary:hover,.js .nav-cta:hover{
  transform:translate(var(--mx,0),calc(var(--my,0) - 2px));
}
.js .btn-primary:active,.js .nav-cta:active{transition-duration:.05s}

/* ---- 4. animated section dividers ----
   The shared <hr class="divider"> draws in from the left when revealed.
   We turn the 1px line into a scaleX-from-0 element. A .divider without
   .reveal (or no-JS) stays a normal full-width line. */
.js hr.divider.reveal{
  border:0;height:1px;background:var(--line);
  transform:scaleX(0);transform-origin:left center;opacity:1;
  transition:transform .8s cubic-bezier(.22,.61,.36,1);
}
.js hr.divider.reveal.in{transform:scaleX(1)}

/* ---- 5. product / app cards: richer, layered hover ----
   Stronger but still tasteful: a layered shadow, an accent border tint,
   and a gentle settle of the inner mockup/sub text. The top accent
   sweep from pass 2 still plays; here we deepen the resting → hover
   delta and add a soft inner accent glow ring (inset, clipped). */
.js .app,.js .card.hover,.js .split-side{will-change:transform,box-shadow}
.js .app:hover,.js .app:focus-within,
.js .card.hover:hover,.js .split-side:hover{
  box-shadow:var(--shadow-lg);
}
/* accent border tint on hover (kept subtle, clinical) */
.js .app:hover,.js .card.hover:hover,.js .split-side:hover{border-color:#cfe6df}
/* app: CTA arrow row eases right + foot text lifts slightly */
.js .app:hover .app-foot,.js .app:focus-within .app-foot{transform:translateY(-1px)}
.app .app-foot{transition:transform .26s cubic-bezier(.22,.61,.36,1)}
/* app sub copy settles up a hair on hover for depth */
.app .app-sub{transition:transform .3s cubic-bezier(.22,.61,.36,1)}
.js .app:hover .app-sub,.js .app:focus-within .app-sub{transform:translateY(-1px)}

/* ---- 5b. showcase panel mock: gentle settle when revealed ---- */
.js .panel .mock{transition:transform .9s cubic-bezier(.22,.61,.36,1),box-shadow .6s ease}
.js .panel.reveal:not(.in) .mock{transform:translateY(10px) scale(.992)}
.js .panel.reveal.in .mock{transform:none}

/* ---- 6. pricing: premium price-card micro-motion ----
   The featured price card breathes up very slightly on reveal and on
   hover gets a layered shadow + accent edge. The big .amt figure eases
   in just after the card. No sticky positioning (avoids overflow / jump
   risk); purely transform + opacity. */
.js .price.feature{will-change:transform}
.js .price .amt{transition:transform .5s cubic-bezier(.22,.61,.36,1) .08s,opacity .5s ease .08s}
.js .price.reveal:not(.in) .amt{opacity:0;transform:translateY(8px)}
.js .price.reveal.in .amt{opacity:1;transform:none}
.js .price.feature:hover{box-shadow:var(--shadow-lg);border-color:#bfe0d6}

/* ---- 7. process steps: number + heading sequence after the rule ---- */
.js .step .n,.js .step h4,.js .step p{
  transition:opacity .5s ease,transform .5s cubic-bezier(.22,.61,.36,1);
}
.js .step.reveal:not(.in) .n,
.js .step.reveal:not(.in) h4,
.js .step.reveal:not(.in) p{opacity:0;transform:translateY(8px)}
.js .step.reveal.in .n{transition-delay:.12s}
.js .step.reveal.in h4{transition-delay:.20s}
.js .step.reveal.in p{transition-delay:.28s}
.js .step.reveal.in .n,
.js .step.reveal.in h4,
.js .step.reveal.in p{opacity:1;transform:none}

/* ---- 8. timeline: richer sequential role reveal ----
   The text column of each row eases in slightly after the rail/node
   draw from pass 2, so the row "assembles": rail → node → role text. */
.js .tl-row .tl-role,.js .tl-row .tl-org,.js .tl-row .tl-desc,.js .tl-row .tl-when{
  transition:opacity .55s ease,transform .55s cubic-bezier(.22,.61,.36,1);
}
.js .tl-row.reveal:not(.in) .tl-role,
.js .tl-row.reveal:not(.in) .tl-org,
.js .tl-row.reveal:not(.in) .tl-desc,
.js .tl-row.reveal:not(.in) .tl-when{opacity:0;transform:translateY(10px)}
.js .tl-row.reveal.in .tl-when{transition-delay:.18s}
.js .tl-row.reveal.in .tl-role{transition-delay:.26s}
.js .tl-row.reveal.in .tl-org{transition-delay:.32s}
.js .tl-row.reveal.in .tl-desc{transition-delay:.38s}
.js .tl-row.reveal.in .tl-role,
.js .tl-row.reveal.in .tl-org,
.js .tl-row.reveal.in .tl-desc,
.js .tl-row.reveal.in .tl-when{opacity:1;transform:none}

/* ---- 9. fine accent shimmer on tiny accent text only ----
   ONE slow, low-contrast sweep on .eyebrow text inside a revealed
   section-head. Runs a single time (not infinite) so it reads as a
   highlight, not a distraction. Scoped to short uppercase labels only.
   Uses background-clip on the text; falls back to solid accent colour
   where unsupported. */
@supports((-webkit-background-clip:text) or (background-clip:text)){
  .js .section-head.reveal.in .eyebrow:not(.muted){
    background:linear-gradient(100deg,var(--accent) 0%,var(--accent) 38%,var(--accent-2) 50%,var(--accent) 62%,var(--accent) 100%);
    background-size:220% 100%;background-position:100% 0;
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
    animation:eyebrowSheen 1.6s cubic-bezier(.22,.61,.36,1) .35s 1 both;
  }
}
@keyframes eyebrowSheen{
  from{background-position:100% 0}
  to{background-position:0 0}
}

/* ============================================================
   Reduced motion — honour the user's OS preference.
   Disable transitions/animations and reveal everything.
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  html{scroll-behavior:auto}
  .reveal,.js .hero .reveal,.js.is-loaded .hero .reveal{opacity:1!important;transform:none!important}
  .hero-photo img,.js .hero-photo.reveal img{transform:none!important}
  .hero::before{animation:none!important;opacity:1!important}
  .link::after,.footer-links a::after{transition:none!important}

  /* second-pass motion: reveal everything statically, no movement */
  .js .section-head.reveal>*{opacity:1!important;transform:none!important;transition:none!important}
  .js .section-head .eyebrow::after{transform:scaleX(1)!important;transition:none!important}
  .js .reveal[style*="--i"],.js .grid>.reveal,.js .os-grid>.reveal,
  .js .deliv>.reveal,.js .steps>.reveal{transition-delay:0s!important}
  /* hover sweeps / lifts: keep hover affordance but kill the animation timing */
  .card.hover::after,.split-side::after,.app::after{transition:none!important}
  /* timeline: show the rail + dot fully, no draw */
  .js .tl-row::before{height:calc(100% - 26px)!important;transition:none!important}
  .js .tl-row::after{transform:scale(1)!important;transition:none!important}
  /* steps: restore the solid top rule, no draw */
  .js .step{border-top-color:var(--ink)!important}
  .step::before{display:none!important}
  /* brand dot: no pulse */
  .js .nav .brand-dot::after{animation:none!important;box-shadow:none!important}
  .chip,.price,.deliv .d,.info-card,.app .app-ico{transition:none!important}

  /* third-pass motion: reveal everything statically, no movement */
  .js .nav,.js:not(.is-loaded) .nav{opacity:1!important;transform:none!important;transition:none!important}
  .js main,.js:not(.is-loaded) main{opacity:1!important;transition:none!important}
  .scroll-progress{display:none!important}
  .js .btn-primary,.js .nav-cta{transform:none!important}
  .js hr.divider.reveal{transform:none!important;transition:none!important}
  .js .panel .mock,.js .panel.reveal:not(.in) .mock{transform:none!important;transition:none!important}
  .js .price .amt,.js .price.reveal:not(.in) .amt{opacity:1!important;transform:none!important;transition:none!important}
  .js .step .n,.js .step h4,.js .step p,
  .js .step.reveal:not(.in) .n,.js .step.reveal:not(.in) h4,.js .step.reveal:not(.in) p{
    opacity:1!important;transform:none!important;transition:none!important;transition-delay:0s!important;
  }
  .js .tl-row .tl-role,.js .tl-row .tl-org,.js .tl-row .tl-desc,.js .tl-row .tl-when,
  .js .tl-row.reveal:not(.in) .tl-role,.js .tl-row.reveal:not(.in) .tl-org,
  .js .tl-row.reveal:not(.in) .tl-desc,.js .tl-row.reveal:not(.in) .tl-when{
    opacity:1!important;transform:none!important;transition:none!important;transition-delay:0s!important;
  }
  .js .app:hover .app-foot,.js .app:focus-within .app-foot,
  .js .app:hover .app-sub,.js .app:focus-within .app-sub{transform:none!important}
  .app .app-foot,.app .app-sub{transition:none!important}
  /* eyebrow sheen: static accent colour, no sweep */
  .js .section-head.reveal.in .eyebrow:not(.muted){
    animation:none!important;background:none!important;color:var(--accent)!important;
    -webkit-text-fill-color:currentColor!important;
  }
}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .split,.grid-3,.grid-2,.os-grid,.steps,.price-grid,.deliv,.form-row{grid-template-columns:1fr}
  .steps{gap:24px}
  .tl-row{grid-template-columns:1fr;gap:6px}
  .section{padding-top:64px;padding-bottom:64px}
  .hero{padding-top:56px;padding-bottom:48px}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 20px 18px}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 12px;border-radius:9px}
  .nav-cta{text-align:center}
  .nav-toggle{display:inline-grid;place-items:center;width:42px;height:42px;border:1px solid var(--line-2);border-radius:10px;background:#fff;cursor:pointer}
  .nav-toggle svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:1.8}
  .cta{padding:48px 26px}
  .panel{padding:28px}
  .os-grid{gap:14px}
}
@media(max-width:560px){
  /* Comfortable phone gutter, expanded by the notch safe-area when present. */
  :root{--gutter:20px}
  body{font-size:16px}
  .hero-meta{gap:24px}
  /* Tighten oversized inner padding so content isn't double-cramped against the gutter. */
  .split-side{padding:28px 22px}
  .card{padding:24px 22px}
  .price{padding:30px 24px}
  .cta{padding:40px 22px}
  .form,.info-card{padding:26px 22px}
  .app{padding:22px 20px}
  .panel{padding:24px 20px}
}
@supports(padding:max(0px)){
  .container,.nav-inner,.footer-inner{
    padding-left:max(var(--gutter),env(safe-area-inset-left));
    padding-right:max(var(--gutter),env(safe-area-inset-right));
  }
}