/* =========================================================================
   ORIGAMI INDUSTRIES — Paper Contrast design system
   Self-hosted fonts · alternating ink/paper sections · fold/crease language
   ========================================================================= */

/* ---------- Fonts ---------- */
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/space-grotesk-500.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/space-grotesk-600.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('/fonts/space-grotesk-700.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/inter-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/inter-500.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/inter-600.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/jetbrains-mono-500.woff2') format('woff2')}

/* ---------- Tokens ---------- */
:root{
  /* ink surfaces */
  --ink:#0E0F11; --ink-raise:#15171A; --ink-line:#2C3137; --on-ink:#EDEFF2; --on-ink-dim:#9AA1A8;
  /* paper surfaces */
  --paper:#F3F1EA; --paper-raise:#FBFAF6; --paper-line:#D9D4C8; --on-paper:#14161A; --on-paper-dim:#5A5F66;
  /* steel + accent */
  --steel:#6B7178;
  --accent:#E5392D; --accent-hover:#F24B3C; --accent-press:#C22A20; --accent-wash:rgba(229,57,45,.10);
  --blueprint:#5B8DB8;

  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;

  /* fluid type scale */
  --fs-display:clamp(2.5rem,1.4rem + 5.2vw,4.75rem);
  --fs-h1:clamp(2rem,1.3rem + 3vw,3rem);
  --fs-h2:clamp(1.6rem,1.15rem + 1.9vw,2.4rem);
  --fs-h3:1.35rem;
  --fs-lead:clamp(1.08rem,1rem + .5vw,1.3rem);
  --fs-body:1.0625rem;
  --fs-label:.75rem;

  /* spacing */
  --sp-1:.25rem; --sp-2:.5rem; --sp-3:.75rem; --sp-4:1rem; --sp-5:1.5rem;
  --sp-6:2rem; --sp-7:3rem; --sp-8:4rem; --sp-9:6rem;
  --section-pad:clamp(5.5rem,4rem + 7vw,11rem);
  --maxw:1280px; --gutter:clamp(1.25rem,.5rem + 3vw,5rem);

  --radius:3px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --header-h:68px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:var(--header-h)}
body{
  font-family:var(--font-body);font-size:var(--fs-body);line-height:1.65;
  background:var(--ink);color:var(--on-ink);overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.08;letter-spacing:-.015em}
a{color:inherit;text-decoration:none}
img,svg,picture{display:block;max-width:100%}
ul{list-style:none}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* ---------- Layout primitives ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{
  font-family:var(--font-mono);font-weight:500;font-size:var(--fs-label);
  text-transform:uppercase;letter-spacing:.18em;color:var(--steel);
  display:inline-flex;align-items:center;gap:.6em;margin-bottom:var(--sp-4);
}
.eyebrow::before{content:"";width:1.4em;height:1px;background:var(--accent)}
.lead{font-size:var(--fs-lead);color:var(--fg-dim,var(--on-ink-dim));max-width:60ch}
.measure{max-width:64ch}

/* ---------- Buttons ---------- */
.btn{
  --btn-bg:transparent;--btn-fg:currentColor;--btn-bd:currentColor;
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--font-mono);font-size:.8rem;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;
  padding:.85rem 1.5rem;border:1px solid var(--btn-bd);border-radius:var(--radius);
  background:var(--btn-bg);color:var(--btn-fg);cursor:pointer;
  position:relative;transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn .arrow{transition:transform .25s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.btn--accent{--btn-bg:var(--accent);--btn-fg:#fff;--btn-bd:var(--accent)}
.btn--accent:hover{--btn-bg:var(--accent-hover);--btn-bd:var(--accent-hover);transform:translateY(-2px)}
.btn--accent:active{--btn-bg:var(--accent-press)}
.btn--ghost{--btn-bd:color-mix(in srgb,currentColor 35%,transparent)}
.btn--ghost:hover{--btn-bd:currentColor;transform:translateY(-2px)}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1000;height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(14,15,17,0);transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{background:rgba(14,15,17,.82);backdrop-filter:blur(12px) saturate(1.2);border-bottom-color:var(--ink-line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5)}
.brand{display:flex;align-items:center;gap:.7rem}
.brand img{width:30px;height:30px}
.brand .wordmark{font-family:var(--font-display);font-weight:700;font-size:1.02rem;letter-spacing:.16em;text-transform:uppercase;color:var(--on-ink)}
.nav{display:flex;align-items:center;gap:var(--sp-6)}
.nav a:not(.btn){
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--on-ink-dim);position:relative;padding:.4em 0;transition:color .25s var(--ease);
}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent);transition:width .25s var(--ease)}
.nav a:not(.btn):hover{color:var(--on-ink)}
.nav a:not(.btn):hover::after{width:100%}
.nav .btn{padding:.6rem 1.1rem}
.nav-toggle{display:none;width:44px;height:44px;background:transparent;border:0;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;position:relative;width:22px;height:1.5px;background:var(--on-ink);transition:.3s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:22px;height:1.5px;background:var(--on-ink);transition:.3s var(--ease)}
.nav-toggle span::before{top:-7px}.nav-toggle span::after{top:7px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- Sections (alternating theme via context vars) ---------- */
.section{
  --bg:var(--ink);--fg:var(--on-ink);--fg-dim:var(--on-ink-dim);--line:var(--ink-line);--raise:var(--ink-raise);
  position:relative;background:var(--bg);color:var(--fg);
  padding-block:var(--section-pad);overflow:hidden;
}
.section--paper{--bg:var(--paper);--fg:var(--on-paper);--fg-dim:var(--on-paper-dim);--line:var(--paper-line);--raise:var(--paper-raise)}
.section .lead{color:var(--fg-dim)}
.section-head{max-width:46ch;margin-bottom:var(--sp-8)}
.section-head h2{font-size:var(--fs-h2);margin-bottom:var(--sp-4)}

/* ---------- Fold-line divider ---------- */
.fold{position:relative;height:0;z-index:6}
.fold::before{content:"";position:absolute;left:50%;top:-1px;width:min(92%,var(--maxw));height:1px;transform:translateX(-50%) scaleX(.0);transform-origin:center;background:linear-gradient(90deg,transparent,var(--steel) 18%,var(--steel) 82%,transparent);opacity:.55;transition:transform .8s var(--ease)}
.fold::after{content:"";position:absolute;left:50%;top:-5px;width:9px;height:9px;transform:translateX(-50%) rotate(45deg) scale(0);background:var(--accent);transition:transform .4s var(--ease) .25s}
.fold.is-visible::before{transform:translateX(-50%) scaleX(1)}
.fold.is-visible::after{transform:translateX(-50%) rotate(45deg) scale(1)}

/* =========================================================================
   HERO — mobile-first, two-panel (text + media never overlap)
   ========================================================================= */
.hero{position:relative;background:var(--ink);overflow:hidden;
  padding-top:calc(var(--header-h) + var(--sp-6));padding-bottom:var(--sp-8)}
.hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(70% 55% at 82% 32%,var(--accent-wash),transparent 62%)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;gap:var(--sp-7);align-items:center}
.hero h1{font-size:var(--fs-display);font-weight:600;margin-bottom:var(--sp-5)}
.hero h1 .accent{color:var(--accent)}
.hero-sub{font-size:var(--fs-lead);color:var(--on-ink-dim);max-width:44ch;margin-bottom:var(--sp-6)}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-4)}
.hero-media{position:relative;border:1px solid var(--ink-line);border-radius:var(--radius);overflow:hidden;background:#0b0c0e;aspect-ratio:16/11}
.hero-media picture{display:block;width:100%;height:100%}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-media .tag{position:absolute;left:0;bottom:0;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--on-ink);background:rgba(14,15,17,.62);backdrop-filter:blur(4px);padding:.5em .85em;border-top:1px solid var(--ink-line);border-right:1px solid var(--ink-line)}
@media (min-width:901px){
  .hero{min-height:100svh;display:flex;align-items:center;padding-top:var(--header-h);padding-bottom:var(--sp-7)}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:clamp(2.5rem,5vw,5.5rem)}
  .hero-media{aspect-ratio:4/5}
}

/* ---------- Trust bar ---------- */
.trustbar{background:var(--ink-raise);border-block:1px solid var(--ink-line);position:relative;z-index:3}
.trustbar ul{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem var(--sp-6);padding-block:1.1rem;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-ink-dim)}
.trustbar li{display:flex;align-items:center;gap:.7rem}
.trustbar li::before{content:"";width:5px;height:5px;background:var(--accent);transform:rotate(45deg)}

/* =========================================================================
   Generic blocks
   ========================================================================= */
.split{display:grid;grid-template-columns:5fr 7fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.split--rev{grid-template-columns:7fr 5fr}
.split .visual{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:var(--raise)}
.split .visual img{width:100%;height:100%;object-fit:cover}
/* picture wrappers must fill their container (else height:100% resolves to auto) */
.split .visual picture{display:block;width:100%;height:100%}
.visual-tag{position:absolute;left:0;bottom:0;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--fg);background:color-mix(in srgb,var(--bg) 70%,transparent);backdrop-filter:blur(4px);padding:.5em .8em;border-top:1px solid var(--line);border-right:1px solid var(--line)}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);margin-top:var(--sp-8)}
.pillar{padding:var(--sp-6) var(--sp-5);border:1px solid var(--line);border-radius:var(--radius);background:var(--raise);position:relative;transition:border-color .3s var(--ease),transform .3s var(--ease)}
.pillar::before{content:"";position:absolute;left:0;top:0;width:0;height:2px;background:var(--accent);transition:width .35s var(--ease)}
.pillar:hover{transform:translateY(-3px)}
.pillar:hover::before{width:100%}
.pillar .icon{width:30px;height:30px;color:var(--accent);margin-bottom:var(--sp-4)}
.pillar h3{font-size:var(--fs-h3);margin-bottom:var(--sp-2)}
.pillar p{color:var(--fg-dim);font-size:.98rem}

/* capability cards (paper-drone product shots) */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-5);align-items:stretch}
.card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:var(--raise);overflow:hidden;transition:border-color .3s var(--ease)}
.card:hover{border-color:var(--steel)}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:#0b0c0e}
.card-img picture{display:block;width:100%;height:100%}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.card:hover .card-img img{transform:scale(1.045)}
.card-body{padding:var(--sp-6);border-top:1px solid var(--line);flex:1}
.card .index{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;color:var(--steel)}
.card h3{font-size:var(--fs-h3);margin:var(--sp-3) 0 var(--sp-3)}
.card p{color:var(--fg-dim)}

/* wide framed media band (e.g. the fold sequence) */
.media{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:21/9;background:var(--raise);margin-top:var(--sp-7)}
.media picture{display:block;width:100%;height:100%}
.media img{width:100%;height:100%;object-fit:cover}
@media (max-width:720px){.media{aspect-ratio:16/9}}

/* what-we-do blueprint grid (crisp CSS, not a raster) */
.section--texture{position:relative}
.section--texture .container{position:relative;z-index:1}
.bg-grid{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(to right,var(--ink-line) 1px,transparent 1px),linear-gradient(to bottom,var(--ink-line) 1px,transparent 1px);
  background-size:72px 72px;background-position:center top;
  -webkit-mask-image:radial-gradient(130% 100% at 85% 0%,#000 0%,transparent 68%);
  mask-image:radial-gradient(130% 100% at 85% 0%,#000 0%,transparent 68%)}

/* stat / brigades band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5);margin-top:var(--sp-7)}
.stat{border-left:1px solid var(--line);padding-left:var(--sp-4)}
.stat .num{font-family:var(--font-display);font-weight:600;font-size:clamp(2rem,1.4rem + 2.4vw,3rem);line-height:1;color:var(--fg)}
.stat .num .unit{color:var(--accent)}
.stat .label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-dim);margin-top:var(--sp-3)}

/* proven note panel */
.note{display:flex;gap:var(--sp-4);align-items:flex-start;padding:var(--sp-5);border:1px solid var(--line);border-radius:var(--radius);background:var(--raise);max-width:58ch;margin-top:var(--sp-6)}
.note .icon{flex:none;width:22px;height:22px;color:var(--steel);margin-top:2px}
.note p{font-size:.95rem;color:var(--fg-dim)}

/* =========================================================================
   Partnership CTA
   ========================================================================= */
.cta{position:relative;text-align:center;background:var(--ink)}
.cta .bg-texture{position:absolute;inset:0;z-index:0;background-position:center;background-size:cover;opacity:.45}
.cta .bg-texture::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 50% 50%,transparent,var(--ink))}
.cta .container{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center}
.cta .eyebrow{justify-content:center}
.cta h2{font-size:var(--fs-h1);max-width:18ch;margin-bottom:var(--sp-5)}
.cta .lead{text-align:center;margin-inline:auto;margin-bottom:var(--sp-7)}
.cta-actions{display:flex;flex-wrap:wrap;gap:var(--sp-4);justify-content:center}
.mailpill{font-family:var(--font-mono);font-size:.9rem;letter-spacing:.04em;color:var(--on-ink);border:1px solid var(--ink-line);border-radius:var(--radius);padding:.85rem 1.4rem;display:inline-flex;gap:.7em;align-items:center;transition:border-color .25s var(--ease),background .25s var(--ease)}
.mailpill:hover{border-color:var(--accent);background:var(--accent-wash)}
.mailpill .icon{width:18px;height:18px;color:var(--accent)}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer{background:var(--ink);border-top:1px solid var(--ink-line);padding-block:var(--sp-8) var(--sp-6)}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--sp-6);align-items:flex-start}
.footer-brand{display:flex;align-items:center;gap:.7rem;margin-bottom:var(--sp-4)}
.footer-brand img{width:34px;height:34px}
.footer-brand .wordmark{font-family:var(--font-display);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:1rem}
.footer-tag{color:var(--on-ink-dim);font-size:.9rem;max-width:32ch}
.footer-col h4{font-family:var(--font-mono);font-weight:500;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);margin-bottom:var(--sp-4)}
.footer-col a{color:var(--on-ink-dim);display:block;padding:.25rem 0;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--on-ink)}
.socials{display:flex;gap:var(--sp-3);margin-top:var(--sp-3)}
.socials a{width:38px;height:38px;border:1px solid var(--ink-line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--on-ink-dim);transition:.25s var(--ease)}
.socials a:hover{color:#fff;border-color:var(--accent);background:var(--accent-wash)}
.socials .icon{width:18px;height:18px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--sp-3);margin-top:var(--sp-8);padding-top:var(--sp-5);border-top:1px solid var(--ink-line);
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;color:var(--steel)}

/* =========================================================================
   Motion / reveals
   ========================================================================= */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
.reveal--fold{transform:translateY(22px) rotateX(10deg);transform-origin:top center}
.reveal--fold.is-visible{transform:none}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width:900px){
  .split,.split--rev{grid-template-columns:1fr;gap:var(--sp-6)}
  .split .order-text{order:2}.split .order-visual{order:1}
  .pillars{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:var(--sp-6)}
}
@media (max-width:720px){
  :root{--header-h:60px}
  .nav-toggle{display:flex}
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(14,15,17,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--ink-line);
    padding:var(--sp-4) var(--gutter) var(--sp-6);transform:translateY(-130%);transition:transform .35s var(--ease);visibility:hidden}
  .nav.is-open{transform:translateY(0);visibility:visible}
  .nav a:not(.btn){padding:1rem 0;border-bottom:1px solid var(--ink-line);font-size:.9rem}
  .nav .btn{margin-top:var(--sp-4);justify-content:center}
}
@media (max-width:480px){
  .stats{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{justify-content:center}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal,.reveal--fold{opacity:1!important;transform:none!important}
  .fold::before{transform:translateX(-50%) scaleX(1)!important}
  .fold::after{transform:translateX(-50%) rotate(45deg) scale(1)!important}
}