/* ==========================================================================
   Build Phase Robotics — landing page
   Tokens from the BPR design system (sampled from the 2026.08.28 deck)
   ========================================================================== */

@font-face{font-family:"Figtree";src:url("/fonts/Figtree-wght-.ttf") format("truetype");font-weight:300 900;font-style:normal;font-display:swap}
@font-face{font-family:"Figtree";src:url("/fonts/Figtree-Italic-wght-.ttf") format("truetype");font-weight:300 900;font-style:italic;font-display:swap}

:root{
  --bpr-black:#000;
  --bpr-ink-800:#121417;
  --bpr-line-550:#2e3338;
  --bpr-grey-500:#7a8288;
  --bpr-grey-400:#aab0b7;
  --bpr-grey-300:#c9ced3;
  --bpr-grey-200:#d9dde1;
  --bpr-white:#fff;
  --bpr-green:#00e36b;
  --bpr-mint:#61ce98;
  --bpr-orange:#ef6037;

  --surface-card:var(--bpr-ink-800);
  --border-subtle:var(--bpr-line-550);
  --text-secondary:var(--bpr-grey-400);

  --glow-floor:radial-gradient(ellipse 60% 40% at 50% 100%,rgba(255,255,255,.14) 0%,rgba(255,255,255,0) 70%);

  --font-sans:"Figtree",ui-sans-serif,system-ui,sans-serif;
  --ls-eyebrow:.06em;
  --radius-xs:4px;
  --radius-panel:16px;
  --radius-lg:26px;
  --radius-pill:999px;
  --ease-standard:cubic-bezier(.2,0,0,1);
  --dur-fast:120ms;

  --pad-x:clamp(24px,4vw,48px);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:#000;color:#fff;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,video{display:block;max-width:100%}
h1,h2,h3,p{margin:0}
a{color:#fff;text-decoration:none;transition:color var(--dur-fast) var(--ease-standard)}
a:hover{color:var(--bpr-grey-200)}
:focus-visible{outline:2px solid var(--bpr-green);outline-offset:3px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  font:700 15px/1 var(--font-sans);padding:10px 20px;border-radius:var(--radius-pill);
  border:1px solid transparent;cursor:pointer;
  transition:background var(--dur-fast) var(--ease-standard),transform var(--dur-fast);
}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn--sm{font-size:13px;padding:6px 14px}
.btn--md{font-size:15px;padding:10px 20px}
.btn--lg{font-size:18px;padding:14px 28px}
.btn--primary{background:var(--bpr-white);color:#000;border-color:var(--bpr-white)}
.btn--primary:hover{background:var(--bpr-grey-200)}
.btn--accent{background:var(--bpr-green);color:#000}
.btn--accent:hover{background:var(--bpr-mint)}
.btn--outline{background:transparent;color:#fff;border-color:#fff}
.btn--outline:hover{background:rgba(255,255,255,.08)}

.eyebrow{font:700 12px/1 var(--font-sans);letter-spacing:.14em;color:var(--bpr-grey-400)}
.eyebrow--light{color:var(--bpr-grey-300)}
.underline{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:7px}

/* ---------- Hero ---------- */
.hero{position:relative;height:100vh;height:100svh;min-height:640px;overflow:hidden;background:#000 url(/assets/welding-robots.webp) center/cover;display:flex;flex-direction:column}
.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.7)}
.hero__scrim{position:absolute;inset:0;background:rgba(0,0,0,.4)}
.hero__scrim--grad{background:linear-gradient(0deg,rgba(0,0,0,.85) 0%,rgba(0,0,0,.2) 55%,rgba(0,0,0,.35) 100%)}

.nav{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px var(--pad-x);flex-wrap:wrap}
.nav__mark img{height:36px;width:auto}
.nav__links{display:flex;align-items:center;gap:32px;flex-wrap:wrap;font:700 15px/1 var(--font-sans)}
@media (max-width:560px){.nav__links{gap:20px}.nav__links a:not(.btn){font-size:14px}}
@media (max-width:420px){.nav__links>a{display:none}}

.hero__body{position:relative;flex:1;display:flex;flex-direction:column;gap:24px;padding:0 var(--pad-x) var(--pad-x)}
.hero__headline{flex:1;display:flex;align-items:center;justify-content:center}
.hero h1{max-width:900px;text-align:center;font:700 clamp(28px,3.4vw,48px)/1.15 var(--font-sans);text-wrap:balance}
.hero__lockup{width:100%;height:auto;margin-left:-1.5%}
.hero__scroll{display:flex;justify-content:flex-end}
.hero__scroll a{font:700 15px/1 var(--font-sans);display:flex;gap:10px;align-items:center}

/* ---------- Layout ---------- */
.stack{display:flex;flex-direction:column;gap:8px;padding-top:8px}
.panel{border-radius:var(--radius-panel);background:#000}
.panel--glow{background:var(--glow-floor),#000}
section{scroll-margin-top:8px}

.statement{padding:clamp(64px,10vw,160px) var(--pad-x)}
.statement h2{max-width:1100px;font:700 clamp(32px,4.6vw,64px)/1.08 var(--font-sans);letter-spacing:-.01em;text-wrap:balance}

.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:8px;padding:0 8px}
.gallery__tile{aspect-ratio:3/4;border-radius:var(--radius-panel);background:#000 center/cover no-repeat}

/* ---------- System ---------- */
.system{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));overflow:hidden}
.system__copy{display:flex;flex-direction:column;justify-content:space-between;gap:56px;padding:clamp(40px,6vw,80px) var(--pad-x)}
.system__intro{display:flex;flex-direction:column;gap:20px}
.system h2{font:700 clamp(28px,3.4vw,44px)/1.12 var(--font-sans);text-wrap:balance}
.pillars{display:flex;flex-direction:column}
.pillar{all:unset;cursor:pointer;display:flex;gap:24px;padding:24px 0;border-top:1px solid var(--bpr-line-550)}
.pillar:focus-visible{outline:2px solid var(--bpr-green);outline-offset:4px}
.pillar__num{font:700 18px/1.3 var(--font-sans);color:var(--bpr-grey-500);min-width:28px;transition:color .3s var(--ease-standard)}
.pillar__text{display:flex;flex-direction:column;gap:10px}
.pillar__title{font:700 clamp(20px,1.8vw,24px)/1.25 var(--font-sans);color:var(--bpr-grey-500);transition:color .3s var(--ease-standard)}
.pillar__body{display:none;font:400 16px/1.5 var(--font-sans);color:var(--bpr-grey-400);max-width:440px}
.pillar:hover .pillar__title{color:var(--bpr-grey-300)}
.pillar.is-active .pillar__num{color:var(--bpr-green)}
.pillar.is-active .pillar__title{color:#fff}
.pillar.is-active .pillar__body{display:block}
.system__media{position:relative;min-height:520px;background:#000;overflow:hidden}
.system__img{position:absolute;inset:0;background:center/cover no-repeat;opacity:0;transition:opacity .5s var(--ease-standard)}
.system__img.is-active{opacity:1}

/* ---------- Results ---------- */
.results{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:48px;padding:clamp(56px,8vw,120px) var(--pad-x)}
.stat{display:flex;flex-direction:column;gap:12px}
.stat__num{font:700 clamp(72px,10vw,140px)/.9 var(--font-sans);letter-spacing:-.03em}
.stat__label{font:700 20px/1.3 var(--font-sans);color:var(--bpr-grey-300)}

/* ---------- Pilots ---------- */
.pilots{position:relative;min-height:640px;overflow:hidden;background:#000;display:flex;align-items:flex-end}
.pilots__bg{position:absolute;inset:0;background:center/cover no-repeat}
.pilots__scrim{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.85) 0%,rgba(0,0,0,0) 60%)}
.pilots__copy{position:relative;display:flex;flex-direction:column;gap:20px;padding:clamp(32px,5vw,56px) var(--pad-x)}
.pilots h2{max-width:820px;font:700 clamp(32px,4.6vw,64px)/1.05 var(--font-sans);text-wrap:balance}

/* ---------- Team ---------- */
.team{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:48px;align-items:end;padding:clamp(56px,8vw,120px) var(--pad-x)}
.team h2{font:700 clamp(28px,3.4vw,44px)/1.12 var(--font-sans);text-wrap:balance}
.team__side{display:flex;flex-direction:column;gap:28px;align-items:flex-start}
.team p{max-width:480px;font:400 18px/1.5 var(--font-sans);color:var(--bpr-grey-300);text-wrap:pretty}

/* ---------- Contact ---------- */
.contact{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;padding:clamp(56px,8vw,120px) var(--pad-x)}
.contact h2{font:700 clamp(48px,8vw,112px)/.95 var(--font-sans);letter-spacing:-.02em}

.footer{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:8px;padding:32px var(--pad-x) 40px;color:var(--bpr-grey-400);border-top:1px solid var(--bpr-line-550);font:400 13px/1 var(--font-sans)}
.footer__tag{color:var(--bpr-grey-500)}

/* ---------- Modal ---------- */
.modal{border:0;padding:24px;background:transparent;max-width:none;max-height:none;width:100%;height:100%;margin:0;color:#fff}
.modal:not([open]){display:none}
.modal[open]{display:flex;align-items:center;justify-content:center}
.modal::backdrop{background:rgba(0,0,0,.7)}
.modal__card{width:100%;max-width:520px;background:var(--bpr-ink-800);border:1px solid #fff;border-radius:var(--radius-lg);padding:clamp(28px,4vw,40px);display:flex;flex-direction:column;gap:24px;font-family:var(--font-sans)}
.modal__head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.modal h3{font:700 28px/1.15 var(--font-sans)}
.modal__close{all:unset;cursor:pointer;width:44px;height:44px;margin:-10px -10px 0 0;display:flex;align-items:center;justify-content:center;font:400 28px/1 var(--font-sans);color:var(--bpr-grey-400);border-radius:50%}
.modal__close:hover{color:#fff}
.modal__close:focus-visible{outline:2px solid var(--bpr-green)}
.modal__sent{display:flex;flex-direction:column;gap:24px}
.modal__sent[hidden]{display:none}
.modal__sent p{font:400 18px/1.5 var(--font-sans);color:var(--bpr-grey-300)}
.modal__form{display:flex;flex-direction:column;gap:24px}
.modal__form[hidden]{display:none}

.fields{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field__label{font-size:11px;font-weight:700;letter-spacing:var(--ls-eyebrow);text-transform:uppercase;color:var(--text-secondary)}
.field input,.field textarea{
  background:var(--surface-card);color:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-xs);
  padding:10px 12px;font:400 15px/1.4 var(--font-sans);outline:none;width:100%;
  transition:border-color var(--dur-fast) var(--ease-standard);
}
.field textarea{resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--bpr-grey-500)}
.field input:focus,.field textarea:focus{border-color:var(--bpr-green)}
.field.has-error input{border-color:var(--bpr-orange)}
.field__error{font-size:12px;color:var(--bpr-orange)}
.field__error:empty{display:none}
.form__error{font:400 14px/1.4 var(--font-sans);color:var(--bpr-orange)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}