/* Archivo variable (wdth 75-125, wght 100-900), self-hosted */
@font-face{
  font-family:"Archivo";
  font-style:normal;
  font-weight:100 900;
  font-stretch:75% 125%;
  font-display:swap;
  src:url("../fonts/archivo-latin-ext.woff2") format("woff2");
  unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family:"Archivo";
  font-style:normal;
  font-weight:100 900;
  font-stretch:75% 125%;
  font-display:swap;
  src:url("../fonts/archivo-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Single light theme */
:root{
  color-scheme: light;

  --bg:#FAFAF8;
  --surface-alt:#F2F2EE;
  --text:#0B0D10;
  --muted:#4A4F57;
  --line: rgba(11,13,16,.14);
  --danger:#B3261E;

  --gutter: clamp(20px, 5vw, 64px);
  --max: 1320px;
  --nav-h: 76px;
  --ease: cubic-bezier(.16,.8,.3,1);

  /* z-index scale */
  --z-menu:90;
  --z-nav:100;
}

*{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:var(--nav-h);
}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Archivo", system-ui, sans-serif;
  font-weight:400;
  font-size:18px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}

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

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

/* ---------- labels / headings ---------- */
.eyebrow{
  display:block;
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:1.25rem;
  color:var(--muted);
}

h1,h2,h3{
  margin:0;
  font-weight:700;
  text-transform:uppercase;
  font-stretch:120%;
  letter-spacing:-.005em;
  line-height:1.02;
  text-wrap:balance;
}

h2{ font-size:clamp(2rem, 4.6vw, 3.75rem); }
h3{ font-size:clamp(1.25rem, 2.2vw, 1.7rem); }

p{ margin:0; text-wrap:pretty; }

.lede{
  font-size:clamp(1.1rem, 1.4vw, 1.3rem);
  color:var(--muted);
  max-width:40ch;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  padding:1em 1.8em;
  font-family:inherit;
  font-size:.9rem;
  font-weight:600;
  letter-spacing:.05em;
  text-transform:uppercase;
  border-radius:0;
  border:1px solid currentColor;
  background:none;
  cursor:pointer;
  white-space:nowrap;
  transition: background-color .3s var(--ease), color .3s var(--ease), transform .2s var(--ease);
}
.btn:active, .nav-cta:active{ transform:translateY(1px) scale(.98); }
.btn-primary{ background:var(--text); color:var(--bg); border-color:var(--text); }
.btn-primary:hover{ background:transparent; color:var(--text); }
.btn-outline{ background:transparent; color:var(--text); border-color:var(--text); }
.btn-outline:hover{ background:var(--text); color:var(--bg); }

/* ---------- nav ---------- */
.nav{
  position:fixed;
  inset:0 0 auto 0;
  z-index:var(--z-nav);
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.nav-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:var(--nav-h);
}
.nav-logo img{ height:20px; width:auto; }
.nav-logo{ display:flex; align-items:center; }
.nav-links{
  display:flex;
  gap:2.5rem;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  font-size:.82rem;
  font-weight:600;
  letter-spacing:.07em;
  text-transform:uppercase;
  color:var(--muted);
  transition:color .25s var(--ease), border-color .25s var(--ease);
  padding:.4em 0;
  border-bottom:1px solid transparent;
}
.nav-links a:hover, .nav-links a:focus-visible{ color:var(--text); border-color:var(--text); }
.nav-cta{ display:none; }
.nav-toggle{
  display:flex;
  align-items:center;
  justify-content:center;
  width:44px; height:44px;
  background:none; border:1px solid var(--line);
  color:var(--text);
}
.nav-toggle svg{ width:18px; height:18px; }
.nav-toggle .icon-close{ display:none; }
.nav-toggle[aria-expanded="true"] .icon-open{ display:none; }
.nav-toggle[aria-expanded="true"] .icon-close{ display:block; }

.mobile-menu{
  position:fixed;
  inset:var(--nav-h) 0 0 0;
  z-index:var(--z-menu);
  background:var(--bg);
  transform:translateY(-100%);
  transition:transform .4s var(--ease);
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:var(--gutter);
}
.mobile-menu.is-open{ transform:translateY(0); }
.mobile-menu ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:1.5rem; }
.mobile-menu a{
  font-size:clamp(1.8rem,8vw,2.6rem);
  font-weight:700;
  text-transform:uppercase;
  font-stretch:120%;
  color:var(--text);
}
.mobile-menu .mm-contact{
  margin-top:3rem;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.7;
}

@media (min-width: 900px){
  .nav-toggle{ display:none; }
  .mobile-menu{ display:none; }
  .nav-cta{
    display:inline-flex;
    font-size:.78rem;
    font-weight:600;
    letter-spacing:.07em;
    text-transform:uppercase;
    color:var(--bg);
    background:var(--text);
    padding:.7em 1.4em;
    border:1px solid var(--text);
    transition:background-color .25s var(--ease), color .25s var(--ease), transform .2s var(--ease);
  }
  .nav-cta:hover{ background:transparent; color:var(--text); }
}
@media (max-width: 899px){
  .nav-links{ display:none; }
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:100vh;
  min-height:100dvh;
  background:var(--bg);
  color:var(--text);
  display:flex;
  align-items:center;
  padding-top:var(--nav-h);
  overflow:hidden;
}
.hero-video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.16;
  filter:invert(1) grayscale(1);
}
.hero-scrim{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, color-mix(in srgb, var(--bg) 55%, transparent) 0%, color-mix(in srgb, var(--bg) 75%, transparent) 55%, var(--bg) 100%);
}
.hero-horizon{
  position:absolute;
  left:50%;
  bottom:2rem;
  width:min(1400px, 112vw);
  height:calc(100% - var(--nav-h) - 3rem);
  transform:translateX(-50%);
  color:var(--text);
  opacity:.07;
  pointer-events:none;
  mask-image: linear-gradient(to right, transparent 0%, black 28%, black 72%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 28%, black 72%, transparent 100%);
}
.hero-horizon .arc{
  fill:none;
  stroke:currentColor;
  stroke-width:119.8;
  stroke-dasharray: 960;
  stroke-dashoffset: 960;
}
.hero-horizon rect{
  fill:currentColor;
  transform-origin:left center;
  transform: scaleX(0);
}
.hero.svg-ready .arc{
  transition: stroke-dashoffset 1.4s var(--ease);
  stroke-dashoffset:0;
}
.hero.svg-ready rect{
  transition: transform .9s var(--ease);
}
.hero.svg-ready rect.r1{ transition-delay:.5s; }
.hero.svg-ready rect.r2{ transition-delay:.72s; }
.hero.svg-ready rect.r3{ transition-delay:.9s; }
.hero.svg-ready rect{ transform: scaleX(1); }

.hero-inner{ position:relative; padding-block:3rem 4.5rem; flex:1 1 auto; width:100%; min-width:0; }
.hero h1{
  font-size:clamp(1.9rem, 4.6vw, 4.25rem);
  line-height:1.04;
  max-width:22em;
}
.hero-sub{
  margin-top:2.25rem;
  display:flex;
  flex-wrap:wrap;
  gap:2rem 3rem;
  align-items:flex-end;
  justify-content:space-between;
}
.hero-sub .lede{ max-width:36ch; font-size:clamp(1.05rem,1.5vw,1.2rem); }

/* load-in cascade: hierarchy, eyebrow -> headline -> support -> action */
@media (prefers-reduced-motion: no-preference){
  .hero-inner .eyebrow,
  .hero-inner h1,
  .hero-sub > *{
    opacity:0;
    transform:translateY(16px);
    animation: rise .8s var(--ease) forwards;
  }
  .hero-inner .eyebrow{ animation-delay:.1s; }
  .hero-inner h1{ animation-delay:.22s; }
  .hero-sub .lede{ animation-delay:.38s; }
  .hero-sub .btn{ animation-delay:.5s; }
}
@keyframes rise{ to{ opacity:1; transform:none; } }

/* ---------- generic section rhythm ---------- */
section{ position:relative; }
.on-light{ background:var(--bg); color:var(--text); }
.alt{ background:var(--surface-alt); }
.pad{ padding-block: clamp(5rem, 11vw, 8.5rem); }

/* ---------- manifesto ---------- */
.manifesto.pad{ padding-block: clamp(4.5rem, 10vw, 8rem); }
.manifesto p{
  font-size:clamp(1.75rem, 4vw, 3.1rem);
  font-weight:600;
  line-height:1.2;
  letter-spacing:-0.012em;
  max-width:28ch;
}
@media (min-width:900px){
  .manifesto p{ margin-left:calc(var(--max) * .16); }
}

/* ---------- capabilities ---------- */
.cap-rows{ margin-top:3.5rem; }
.cap-row{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:1.25rem 2.5rem;
  padding-block:2.5rem;
  border-top:1px solid var(--line);
  transition:padding-left .4s var(--ease);
}
.cap-row:last-child{ border-bottom:1px solid var(--line); }
.cap-body{ min-width:0; }
.cap-body h3{ margin-bottom:.9rem; }
.cap-desc{
  color:var(--muted);
  max-width:48ch;
  font-size:1.05rem;
}
.cap-tech{
  display:flex;
  flex-wrap:wrap;
  gap:.4em 1.4em;
  font-size:.8rem;
  font-weight:500;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--muted);
}
@media (min-width: 900px){
  .cap-row{ grid-template-columns:minmax(0,1.5fr) minmax(0,1fr); align-items:start; }
  .cap-tech{ flex-direction:column; gap:.5rem; justify-self:end; text-align:right; }
  .cap-row:hover{ padding-left:1rem; }
}

/* ---------- enfoque timeline ---------- */
.timeline{
  display:grid;
  gap:3rem 2rem;
  grid-template-columns:1fr;
  margin-top:4rem;
}
@media (min-width: 760px){
  .timeline{ grid-template-columns:repeat(4, 1fr); }
}
.step{ padding-top:1.75rem; border-top:1px solid var(--text); }
.step-num{
  display:block;
  font-size:.85rem;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--muted);
  margin-bottom:1rem;
  font-variant-numeric:tabular-nums;
}
.step h3{ font-size:clamp(1.15rem,1.7vw,1.4rem); margin-bottom:.7rem; }
.step p{ color:var(--muted); font-size:.98rem; max-width:28ch; }

/* ---------- work ---------- */
.case-grid{
  display:grid;
  gap:4rem 2.5rem;
  grid-template-columns:1fr;
  margin-top:4rem;
}
.case{ display:flex; flex-direction:column; gap:1.5rem; min-width:0; }
.case-media{
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--surface-alt);
}
.case-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .8s var(--ease);
}
.case:hover .case-media img{ transform:scale(1.03); }
.case h3{ font-size:clamp(1.2rem,2vw,1.55rem); }
.case dl{ margin:0; display:flex; flex-direction:column; gap:1.1rem; }
.case dt{
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:.3rem;
}
.case dd{ margin:0; font-size:.98rem; text-wrap:pretty; }
.case dl > div:last-child{ padding-top:1.1rem; border-top:1px solid var(--line); }
.case dl > div:last-child dd{ font-weight:600; font-size:1.05rem; }

@media (min-width:860px){
  .case-grid{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  /* featured case: media beside text, spans the full row */
  .case-featured{
    grid-column:1 / -1;
    display:grid;
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:1.5rem 3.5rem;
    align-items:center;
  }
  .case-featured .case-media{ aspect-ratio:16/11; grid-row:1 / span 2; }
  .case-featured h3{ align-self:end; }
  .case-featured dl{ align-self:start; }
}

/* ---------- engineering ---------- */
.engineering .lede{ margin-top:1.5rem; }
.media-wide{
  aspect-ratio:16/7;
  margin-top:3.5rem;
  overflow:hidden;
  background:var(--surface-alt);
}
.media-wide img{ width:100%; height:100%; object-fit:cover; }
.eng-grid{
  display:grid;
  gap:2.5rem;
  margin-top:4rem;
  grid-template-columns:1fr;
}
@media (min-width:760px){
  .eng-grid{ grid-template-columns:repeat(2,1fr); gap:3rem 4rem; }
}
.eng-item{ border-top:1px solid var(--line); padding-top:1.75rem; }
.eng-item h3{ font-size:clamp(1.15rem,1.7vw,1.4rem); margin-bottom:.7rem; }
.eng-item p{ color:var(--muted); max-width:42ch; }

/* ---------- cta final + contact ---------- */
.cta-final{ padding-bottom:0; }
.cta-final h2{ max-width:14ch; }
.cta-final .lede{ margin-top:1.5rem; }

.contact-grid{
  display:grid;
  gap:3rem;
  grid-template-columns:1fr;
  margin-top:2rem;
}
@media (min-width:860px){
  .contact-grid{ grid-template-columns:1fr 1.2fr; gap:5rem; }
}
.contact-info p{ color:var(--muted); margin-bottom:.5rem; }
.contact-info .big{
  font-size:clamp(1.3rem,2.4vw,1.9rem);
  font-weight:600;
  color:var(--text);
  margin-bottom:1.5rem;
  display:block;
  overflow-wrap:anywhere;
}

.field{ margin-bottom:1.75rem; }
.field label{
  display:block;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:.6rem;
}
.field input, .field textarea{
  width:100%;
  background:transparent;
  border:none;
  border-bottom:1px solid var(--muted);
  color:var(--text);
  font-family:inherit;
  font-size:1.05rem;
  padding:.6rem 0;
  border-radius:0;
  transition:border-color .25s var(--ease);
}
.field textarea{ resize:vertical; min-height:7rem; }
.field input:focus, .field textarea:focus{ outline:none; border-bottom-color:var(--text); box-shadow:0 1px 0 0 var(--text); }
.field [aria-invalid="true"]{ border-bottom-color:var(--danger); }
.field-error{ margin-top:.5rem; font-size:.88rem; color:var(--danger); min-height:0; }
.field-error:empty{ display:none; }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.btn[disabled]{ opacity:.6; cursor:progress; }
.form-note{ margin-top:1.5rem; font-size:.95rem; color:var(--muted); min-height:1.4em; }
.form-note.is-error{ color:var(--danger); }

/* ---------- footer ---------- */
footer{ background:var(--surface-alt); color:var(--text); padding-block:4rem 2.5rem; }
.footer-grid{
  display:grid;
  gap:2.5rem;
  grid-template-columns:1fr;
}
@media (min-width:760px){
  .footer-grid{ grid-template-columns:1.4fr 1fr 1fr; }
}
.footer-logo img{ height:18px; margin-bottom:1.5rem; }
.footer-about{ max-width:34ch; }
.footer-col h3{
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  font-stretch:100%;
  color:var(--muted);
  margin-bottom:1.1rem;
}
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.7rem; }
.footer-col a, .footer-col p{ color:var(--muted); font-size:.95rem; }
.footer-col a{ transition:color .25s var(--ease); }
.footer-col a:hover{ color:var(--text); }
.footer-bottom{
  margin-top:3.5rem;
  padding-top:1.75rem;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:1rem;
  font-size:.82rem;
  color:var(--muted);
}

/* ---------- reveal on scroll (only hidden when JS is running) ---------- */
.js .reveal{
  opacity:0;
  transform:translateY(14px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay:calc(var(--i, 0) * 70ms);
}
.js .reveal.is-visible{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .js .reveal{ opacity:1; transform:none; transition:none; }
  .hero-horizon .arc, .hero-horizon rect, .hero.svg-ready .arc, .hero.svg-ready rect{
    transition:none !important;
    stroke-dashoffset:0 !important;
    transform:scaleX(1) !important;
  }
  .mobile-menu, .btn, .nav-cta, .cap-row, .case-media img{ transition:none !important; }
  .case:hover .case-media img{ transform:none; }
}