/*
 * Pinnacle 2026 — base: reset, type, layout atoms, buttons, cards, motion.
 * Shared by every section; section files only add layout.
 */

/* ── Reset ─────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.prp-body{margin:0;background:var(--surface-alt);color:var(--text-2);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
:where(.prp-body) :where(img,video){max-width:100%;height:auto;display:block}
:where(.prp-body) :where(figure){margin:0}
/* Zero specificity: plain links get the accent + dark hover; any component colour (e.g. white text on photos) wins, also on hover. */
:where(.prp-body a){color:var(--acc-text)}
:where(.prp-body a:hover){color:var(--ink)}
.prp-body button{font-family:inherit}
.prp-body :focus-visible{outline:3px solid var(--acc);outline-offset:3px}
:where(.prp-body) :where(h1,h2,h3,h4){margin:0;color:var(--ink)}
:where(.prp-body) :where(p){margin:0}
.sr-only,.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;margin:-1px;padding:0;border:0}
.skip-link:focus{position:fixed;top:12px;left:12px;z-index:999;width:auto;height:auto;clip:auto;padding:12px 18px;border-radius:var(--radius-pill);background:var(--ink);color:var(--surface);font-weight:800}

/* ── Layout ────────────────────────────────────────────────────────── */
.prp-wrap{max-width:var(--max-w);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.prp-pad{padding-top:var(--section-y);padding-bottom:var(--section-y)}
/* Home page only (its DOM is the heavy one): sections after the hero skip layout + paint until they near the viewport, which roughly halves the first-load main-thread task. Paint containment clips overflow, so keep section content inside its box. Not site-wide: Lighthouse's contrast check misreads the background of not-yet-rendered sections (false failure on story rows). */
.home .prp-main>.prp-section:not(:first-child){content-visibility:auto;contain-intrinsic-size:auto 900px}
.prp-stack{display:flex;flex-direction:column;gap:16px;min-width:0}
.prp-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.prp-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:end}
.prp-head{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:flex-end;justify-content:space-between;margin-bottom:40px}
.prp-head .prp-stack{max-width:820px}
.prp-dark{background:var(--dark-surface);color:var(--dark-text)}
.prp-dark .display-h,.prp-dark h2,.prp-dark h3{color:#FFFFFF}
.prp-dark .eyebrow{color:var(--acc)}
.prp-dark .acc-text{color:var(--acc)}

/* ── Type ──────────────────────────────────────────────────────────── */
.display-h{font-family:var(--font-display);font-weight:900;text-transform:uppercase;font-size:var(--h2);line-height:.92;color:var(--ink);overflow-wrap:break-word;letter-spacing:0}
h1.display-h,.display-h.is-h1{font-size:var(--h1);line-height:.88}
.display-h--sm{font-size:clamp(32px,3.6vw,48px);line-height:.95}
.acc-text{color:var(--acc-text)}
.eyebrow{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--acc-text)}
.lede{font-size:19px;line-height:1.6;color:var(--text-2);max-width:62ch}
.prose{font-size:16px;line-height:1.7;color:var(--text-2)}
.prose>*+*{margin-top:1em}
.prose h3{font-size:22px;line-height:1.25;font-weight:800;font-family:var(--font-body);margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.3em;margin:1em 0 0}
.prose li+li{margin-top:.45em}
.prose li::marker{color:var(--acc-text)}
.prose a{font-weight:700}
.prp-dark .prose,.prp-dark .lede{color:var(--dark-text)}
.card-title{font-size:22px;line-height:1.2;font-weight:800;color:var(--ink);font-family:var(--font-body)}
.small{font-size:14px;line-height:1.55;color:var(--text-muted)}

/* ── Buttons ───────────────────────────────────────────────────────── */
.btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:var(--radius-pill);border:1px solid transparent;font-family:var(--font-body);font-weight:800;font-size:15px;line-height:1.1;text-decoration:none;white-space:nowrap;cursor:pointer;transition:transform .28s var(--ease-out),box-shadow .28s ease,background-color .25s ease,border-color .25s ease,color .25s ease}
.btn--lg{min-height:54px;padding:0 24px;font-size:16px}
.btn--xl{min-height:56px;padding:0 28px;font-size:17px}
.btn--sm{min-height:36px;padding:0 14px;font-size:13px;gap:7px}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.97)}
.btn::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.4) 50%,transparent 70%);transform:translateX(-130%);transition:transform .7s ease}
.btn:hover::after{transform:translateX(130%)}
.prp-body .btn-primary{--btn-c:var(--acc);background:var(--acc);color:var(--acc-ink)}
.prp-body .btn-primary:hover{color:var(--acc-ink);box-shadow:0 14px 30px -8px color-mix(in srgb,var(--btn-c) 60%,transparent)}
.prp-body .btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--border-strong)}
.prp-body .btn-ghost:hover{color:var(--ink);border-color:var(--acc)}
.prp-body .btn-dark{background:var(--ink);color:var(--surface)}
.prp-body .btn-dark:hover{color:var(--surface);box-shadow:0 14px 30px -10px rgba(0,0,0,.55)}
.prp-body .btn-light{background:#FFFFFF;color:#15171A}
.prp-body .btn-light:hover{color:#15171A}
.prp-body .btn-ghost-light{background:transparent;color:#FFFFFF;border:1.5px solid rgba(255,255,255,.35)}
.prp-body .btn-ghost-light:hover{color:#FFFFFF;border-color:var(--acc)}
.prp-body .btn-tint{background:var(--acc-tint);color:var(--acc-text)}
.btn-pulse{animation:btnPulse 2.6s ease-out infinite}
@keyframes btnPulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--btn-c,var(--acc)) 55%,transparent)}70%,100%{box-shadow:0 0 0 14px color-mix(in srgb,var(--btn-c,var(--acc)) 0%,transparent)}}
.btn:disabled,.btn[aria-disabled="true"]{cursor:not-allowed;opacity:.6;transform:none!important;box-shadow:none!important;animation:none}
.btn:disabled::after{display:none}
.btn-block{width:100%}

/* Icon micro-motion */
.prp-icon{flex:none}
.btn .i-move,.lnk .i-move{transition:transform .28s var(--ease-out)}
.btn:hover .i-move,.lnk:hover .i-move{transform:translateX(5px)}
.btn:hover .i-ring{animation:iRing .6s ease}
.btn:hover .i-pop{animation:iPop .45s ease}
@keyframes iRing{20%{transform:rotate(-14deg)}40%{transform:rotate(12deg)}60%{transform:rotate(-8deg)}80%{transform:rotate(5deg)}}
@keyframes iPop{50%{transform:scale(1.25) rotate(-8deg)}}

/* Inline arrow link */
.prp-body .lnk{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:15px;color:var(--acc-text);text-decoration:none}
.prp-body .lnk:hover{color:var(--ink)}

/* ── Chips ─────────────────────────────────────────────────────────── */
.chip{display:inline-flex;align-items:center;gap:8px;min-height:34px;padding:0 14px;border-radius:var(--radius-pill);font-size:13px;font-weight:700;color:var(--text-2);background:var(--surface);border:1px solid var(--border-footer)}
.chip .prp-icon{color:var(--acc-text)}
.chip-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--acc)}
.prp-dark .chip{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:#FFFFFF}

/* ── Cards, tiles ──────────────────────────────────────────────────── */
.card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);transition:transform .4s var(--ease-out),box-shadow .4s ease,border-color .3s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 28px 50px -24px rgba(21,23,26,.45);border-color:var(--acc)}
html.theme-dark .card:hover{box-shadow:0 28px 50px -24px rgba(0,0,0,.8)}
.card:has(.stretch){cursor:pointer}
.tile{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--acc-tint);color:var(--acc-text);transition:transform .4s cubic-bezier(.2,.9,.3,1.4),background-color .3s,color .3s}
.card:hover .tile{transform:rotate(-8deg) scale(1.08);background:var(--acc);color:var(--acc-ink)}
.stretch{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;min-height:38px;padding:0 14px;border-radius:var(--radius-pill);background:var(--acc-tint);color:var(--acc-text)!important;font-weight:800;font-size:14px;text-decoration:none;transition:background-color .25s,color .25s,gap .25s,box-shadow .25s}
.stretch::after{content:"";position:absolute;inset:0;border-radius:inherit;z-index:2}
.card .stretch::after{border-radius:var(--radius-card)}
.card:hover .stretch,.stretch:focus-visible{background:var(--acc);color:var(--acc-ink)!important;gap:14px;box-shadow:0 10px 24px -10px rgba(0,0,0,.35)}

/* Photos */
.photo{position:relative;overflow:hidden;border-radius:var(--radius-image);background:var(--surface-sunk)}
.photo img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out)}
.photo-zoom:hover img,.card:hover .photo img{transform:scale(1.04)}
.photo-tag{position:absolute;top:14px;left:14px;z-index:1;padding:5px 11px;border-radius:var(--radius-pill);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;background:#15171A;color:#FFFFFF}
.photo-tag--acc{background:var(--acc);color:var(--acc-ink)}

/* Plain bulleted list (story rows: no numbering) */
.pl-ul{margin:0;padding-left:1.2em;display:flex;flex-direction:column;gap:8px}
.pl-ul li::marker{color:var(--acc-text)}

/* Check list */
.chk{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.chk li{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:14px;background:var(--surface);border:1px solid var(--border);font-weight:600;color:var(--text-1);transition:transform .25s var(--ease-out),border-color .25s}
.chk li:hover{transform:translateY(-2px);border-color:var(--acc)}
.chk li .prp-icon{color:var(--acc-text);margin-top:3px}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width:1100px){
  .prp-split{grid-template-columns:1fr;gap:28px;align-items:start}
}
@media (max-width:760px){
  :root{--gutter:16px}
  .lede{font-size:17px}
  .prp-head{margin-bottom:28px}
}

/* ── Reduced motion ───────────────────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn,.btn::after,.btn .i-move,.lnk .i-move,.card,.tile,.stretch,.photo img,.chk li{transition:none}
  .btn-pulse,.btn:hover .i-ring,.btn:hover .i-pop{animation:none}
  .btn:hover,.card:hover,.chk li:hover{transform:none}
  .card:hover .tile{transform:none}
}

/* Loading spinner (dark media stages) + fade-in for photos wrapped in [data-image-fade] (js/core/image-fade.js). */
@keyframes prpSpin{to{transform:rotate(360deg)}}
.prp-spinner,[data-image-fade].is-loading::after{content:"";position:absolute;top:50%;left:50%;z-index:2;width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;border:3px solid rgba(255,255,255,.22);border-top-color:var(--acc);animation:prpSpin .8s linear infinite;pointer-events:none}
[data-image-fade] img{transition:opacity .6s var(--ease-out)}
/* .01, not 0: Chrome skips elements first painted fully transparent when it picks the
   Largest Contentful Paint, so a fading hero would be reported late. Invisible either way. */
[data-image-fade].is-loading img{opacity:.01}
@media (prefers-reduced-motion:reduce){
  .prp-spinner,[data-image-fade].is-loading::after{animation-duration:1.6s}
  [data-image-fade] img{transition:none}
}

/* Photo captions: text that used to sit on a dark fade over a photo now sits
   under it, in small italic print (photo tiles, project/link cards, gallery,
   page intro, contact photos). */
:root{--photo-cap-size:14px;--photo-cap-sub-size:12.5px}

/* Split section head (opt-in, e.g. feature cards "head_split"): eyebrow and
   title on the left, the intro on the right, bottom-aligned. */
.sx-head.sx-head--split{max-width:none;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);column-gap:56px;row-gap:16px;align-items:end}
.sx-head.sx-head--split>*{grid-column:1}
.sx-head.sx-head--split>.sx-head__side{grid-column:2;grid-row:1 / span 3;align-self:end;display:flex;flex-direction:column;gap:16px}
@media (max-width:900px){
  .sx-head.sx-head--split{grid-template-columns:1fr}
  .sx-head.sx-head--split>.sx-head__side{grid-column:1;grid-row:auto}
}
/* Photo caption under an image (no shade over photos). */
.sx-cap{margin:8px 2px 0;font-size:var(--photo-cap-size);font-weight:600;font-style:italic;line-height:1.45;color:var(--text-2)}
.prp-dark .sx-cap{color:rgba(255,255,255,.72)}