/* palette: bg=#0A182B fg=#EDF2F8 accent=#FF6A3D */
/* fonts: display="Space Grotesk" body="IBM Plex Sans" mono="IBM Plex Mono" */

:root {
  --bg: #0A182B;          /* deep blueprint navy */
  --bg-alt: #0E2138;      /* alternating panel */
  --bg-deep: #071120;     /* darkest inversion */
  --fg: #EDF2F8;          /* cream/white line-work */
  --fg-soft: #C4D2E0;     /* softened foreground */
  --muted: #6E8199;       /* secondary text */
  --accent: #FF6A3D;      /* telemetry orange */
  --accent-deep: #E5522A; /* hover orange */
  --line: #23405F;        /* blueprint grid line */
  --border: rgba(180, 205, 235, 0.16);
  --border-strong: rgba(180, 205, 235, 0.30);

  --serif: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --sans: 'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --maxw: 1240px;
  --pad: 32px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.75;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; margin: 0; letter-spacing: -0.02em; line-height: 1.08; }
p { margin: 0; }

/* ---- Blueprint grid backdrop ---- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(120, 160, 205, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(120, 160, 205, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
}
main, .header, .footer, .cookie-popup { position: relative; z-index: 1; }

/* ---- Layout ---- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .container { padding: 0 var(--pad); } }
.section { padding: clamp(80px, 12vw, 160px) 0; position: relative; }
.section--alt { background: var(--bg-alt); }
.section--deep { background: var(--bg-deep); }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.section-head { max-width: 760px; margin-bottom: clamp(48px, 6vw, 80px); }
.section-head h2 { font-size: clamp(2.5rem, 6vw, 5rem); }
.section-head p { margin-top: 22px; color: var(--fg-soft); font-size: 1.05rem; max-width: 620px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: 2px;
  transition: transform .3s var(--ease), background .3s var(--ease), opacity .3s var(--ease), border-color .3s var(--ease);
}
.btn--primary { background: var(--accent); color: #0A182B; }
.btn--primary:hover { background: var(--accent-deep); transform: translateY(-2px); }
.btn--ghost { border: 1px solid var(--border-strong); color: var(--fg); }
.btn--ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.link-arrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap .3s var(--ease);
}
.link-arrow:hover { gap: 14px; }

/* ---- Header ---- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 24, 43, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.header[data-scrolled="true"] {
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 40px -12px rgba(0,0,0,0.5);
}
.header__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 18px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
@media (min-width: 768px) { .header__inner { padding: 20px var(--pad); } }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--serif); font-size: 1.35rem; letter-spacing: -0.02em; }
.brand__mark {
  width: 30px; height: 30px; flex: none;
  border: 1.5px solid var(--accent);
  display: grid; place-items: center;
  position: relative;
}
.brand__mark::before { content: ""; width: 8px; height: 8px; background: var(--accent); }
.brand__mark::after {
  content: ""; position: absolute; inset: -5px;
  border: 1px solid var(--border);
}
.nav { display: none; align-items: center; gap: 34px; }
@media (min-width: 980px) { .nav { display: flex; } }
.nav a {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--fg-soft);
  transition: color .25s var(--ease); position: relative; padding: 4px 0;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--fg); }
.nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px; background: var(--accent);
}
.header__cta { display: none; }
@media (min-width: 980px) { .header__cta { display: inline-flex; } }

.menu-toggle {
  display: inline-flex; flex-direction: column; gap: 5px; padding: 8px;
}
@media (min-width: 980px) { .menu-toggle { display: none; } }
.menu-toggle span { width: 24px; height: 1.5px; background: var(--fg); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: var(--bg-deep);
  padding: 100px 28px 40px;
  transform: translateX(100%);
  transition: transform .4s var(--ease);
  display: flex; flex-direction: column;
}
.mobile-menu[data-open="true"] { transform: translateX(0); }
.mobile-menu a {
  font-family: var(--serif); font-size: 2rem; padding: 16px 0;
  border-bottom: 1px solid var(--border); color: var(--fg);
}
.mobile-menu a:last-of-type { border-bottom: 0; }
.mobile-menu .btn { margin-top: 28px; justify-content: center; }

/* ---- Hero ---- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; animation: heroZoom 9s var(--ease) forwards; }
@keyframes heroZoom { from { transform: scale(1.09); } to { transform: scale(1); } }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(7,17,32,0.97) 0%, rgba(7,17,32,0.84) 45%, rgba(7,17,32,0.42) 100%),
    linear-gradient(to top, rgba(7,17,32,0.9), transparent 40%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 130px 20px 90px; }
@media (min-width: 768px) { .hero__inner { padding: 150px var(--pad) 110px; } }
.hero h1 {
  font-size: clamp(3.1rem, 9vw, 8rem);
  letter-spacing: -0.035em; font-weight: 300;
  max-width: 15ch; margin: 26px 0 0;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero__sub { margin-top: 34px; max-width: 540px; font-size: 1.15rem; color: var(--fg-soft); line-height: 1.7; }
.hero__actions { margin-top: 44px; display: flex; flex-wrap: wrap; gap: 16px; }

/* corner annotations on hero */
.hero__annot {
  position: absolute; z-index: 2; font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
  display: none;
}
@media (min-width: 980px) { .hero__annot { display: block; } }
.hero__annot--tr { top: 130px; right: var(--pad); text-align: right; }
.hero__annot--br { bottom: 44px; right: var(--pad); text-align: right; }
.hero__annot span { color: var(--accent); }

/* ---- Telemetry / stats bar ---- */
.telemetry { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-deep); }
.telemetry__grid { display: grid; grid-template-columns: 1fr 1fr; }
@media (min-width: 900px) { .telemetry__grid { grid-template-columns: repeat(4, 1fr); } }
.telemetry__item {
  padding: 42px 24px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
@media (min-width: 900px) { .telemetry__item { border-bottom: 0; padding: 54px 32px; } }
.telemetry__num { font-family: var(--serif); font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 400; letter-spacing: -0.03em; }
.telemetry__num span { color: var(--accent); }
.telemetry__label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted); margin-top: 12px; }

/* ---- Services / capability cards ---- */
.cards { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); }
@media (min-width: 720px) { .cards--2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .cards--3 { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--bg); padding: 40px 34px;
  transition: background .35s var(--ease); position: relative;
}
.card:hover { background: var(--bg-alt); }
.card__idx { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; color: var(--accent); }
.card h3 { font-size: 1.6rem; margin: 20px 0 14px; letter-spacing: -0.02em; }
.card p { color: var(--fg-soft); font-size: 1rem; line-height: 1.7; }
.card__meta { margin-top: 24px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }

/* ---- Manifesto ---- */
.manifesto { background: var(--fg); color: var(--bg); }
.manifesto .container { text-align: center; }
.manifesto .eyebrow { color: var(--accent-deep); }
.manifesto .eyebrow::before { background: var(--accent-deep); }
.manifesto__quote {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(2rem, 5vw, 4rem); line-height: 1.16; letter-spacing: -0.025em;
  max-width: 980px; margin: 0 auto;
}
.manifesto__quote em { font-style: normal; color: var(--accent-deep); }
.manifesto__by { margin-top: 40px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: #4a5a6e; }

/* ---- Projects / library ---- */
.projects { display: grid; gap: 24px; }
@media (min-width: 760px) { .projects { grid-template-columns: 1fr 1fr; gap: 28px; } }
.project {
  border: 1px solid var(--border); background: var(--bg-alt);
  overflow: hidden; transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.project:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.project__img { aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.project__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.project:hover .project__img img { transform: scale(1.06); }
.project__tag {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  background: rgba(7,17,32,0.82); border: 1px solid var(--border); color: var(--fg);
  padding: 6px 12px; backdrop-filter: blur(6px);
}
.project__body { padding: 28px 28px 32px; }
.project__body h3 { font-size: 1.5rem; margin-bottom: 12px; }
.project__body p { color: var(--fg-soft); font-size: 0.98rem; }
.project__body .link-arrow { margin-top: 20px; }

/* ---- Process steps ---- */
.steps { display: grid; gap: 1px; background: var(--border); border-top: 1px solid var(--border); }
.step {
  background: var(--bg); padding: 40px 0;
  display: grid; grid-template-columns: 1fr; gap: 8px;
}
@media (min-width: 820px) { .step { grid-template-columns: 90px 300px 1fr; gap: 40px; align-items: baseline; padding: 48px 8px; } }
.step__num { font-family: var(--mono); font-size: 13px; color: var(--accent); letter-spacing: 0.1em; }
.step h3 { font-size: 1.7rem; }
.step p { color: var(--fg-soft); font-size: 1rem; }

/* ---- FAQ ---- */
.faq { max-width: 860px; margin: 0 auto; border-top: 1px solid var(--border); }
.faq__item { border-bottom: 1px solid var(--border); }
.faq__q {
  width: 100%; text-align: left; display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 30px 0; font-family: var(--serif); font-size: clamp(1.2rem, 2.6vw, 1.55rem); letter-spacing: -0.02em; color: var(--fg);
}
.faq__q .plus { flex: none; width: 20px; height: 20px; position: relative; }
.faq__q .plus::before, .faq__q .plus::after { content: ""; position: absolute; background: var(--accent); transition: transform .3s var(--ease); }
.faq__q .plus::before { top: 50%; left: 0; width: 100%; height: 1.5px; transform: translateY(-50%); }
.faq__q .plus::after { left: 50%; top: 0; height: 100%; width: 1.5px; transform: translateX(-50%); }
.faq__item[data-open="true"] .plus::after { transform: translateX(-50%) scaleY(0); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq__item[data-open="true"] .faq__a { max-height: 320px; }
.faq__a p { padding: 0 0 30px; color: var(--fg-soft); font-size: 1.02rem; max-width: 680px; }

/* ---- CTA band ---- */
.cta { background: var(--accent); color: #0A182B; text-align: center; }
.cta h2 { font-size: clamp(2.4rem, 6vw, 4.5rem); font-weight: 400; max-width: 16ch; margin: 0 auto; }
.cta p { margin: 24px auto 0; max-width: 520px; color: #3a1e12; font-size: 1.08rem; }
.cta .btn { margin-top: 40px; background: #0A182B; color: var(--fg); }
.cta .btn:hover { background: var(--bg-deep); transform: translateY(-2px); }

/* ---- Contact / form ---- */
.contact-grid { display: grid; gap: 56px; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 72px; } }
.info-block { margin-bottom: 34px; }
.info-block__label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.13em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.info-block p { color: var(--fg-soft); }
.info-block a:hover { color: var(--fg); }

.form { display: grid; gap: 22px; }
.field { display: grid; gap: 8px; }
.field label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea, .field select {
  background: var(--bg-deep); border: 1px solid var(--border); color: var(--fg);
  padding: 14px 16px; font-family: var(--sans); font-size: 1rem; border-radius: 2px;
  transition: border-color .25s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 130px; }
.field input::placeholder, .field textarea::placeholder { color: #4d6076; }

/* ---- Legal / prose ---- */
.prose { max-width: 820px; margin: 0 auto; }
.prose h1 { font-size: clamp(2.4rem, 6vw, 4rem); margin-bottom: 16px; font-weight: 300; }
.prose h2 { font-size: 1.6rem; margin: 48px 0 16px; }
.prose p, .prose li { color: var(--fg-soft); font-size: 1.02rem; line-height: 1.8; }
.prose p { margin-bottom: 18px; }
.prose ul { padding-left: 20px; margin-bottom: 18px; }
.prose li { margin-bottom: 8px; }
.prose .updated { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 40px; }
.prose a { color: var(--accent); }

.page-hero { padding: 150px 0 60px; border-bottom: 1px solid var(--border); }
.page-hero h1 { font-size: clamp(2.8rem, 8vw, 6rem); font-weight: 300; letter-spacing: -0.03em; max-width: 16ch; }
.page-hero p { margin-top: 24px; max-width: 560px; color: var(--fg-soft); font-size: 1.1rem; }

/* thanks page */
.thanks { min-height: 80vh; display: grid; place-items: center; text-align: center; padding: 140px 20px 80px; }
.thanks h1 { font-size: clamp(2.6rem, 7vw, 5rem); font-weight: 300; }
.thanks p { margin: 24px auto 36px; max-width: 460px; color: var(--fg-soft); }

/* ---- Footer ---- */
.footer { background: var(--bg-deep); border-top: 1px solid var(--border); padding: 80px 0 40px; }
.footer__grid { display: grid; gap: 44px; }
@media (min-width: 760px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr; gap: 40px; } }
.footer__brand p { color: var(--muted); margin-top: 20px; max-width: 320px; font-size: 0.98rem; }
.footer__col h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.13em; text-transform: uppercase; color: var(--accent); font-weight: 400; margin-bottom: 20px; }
.footer__col a { display: block; color: var(--fg-soft); padding: 7px 0; font-size: 0.98rem; transition: color .2s var(--ease); }
.footer__col a:hover { color: var(--fg); }
.footer__bottom {
  margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 12px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase;
}
@media (min-width: 700px) { .footer__bottom { flex-direction: row; justify-content: space-between; align-items: center; } }

/* ---- Reveal ---- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s var(--ease), transform .65s var(--ease); transition-delay: calc(var(--i, 0) * 80ms); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__bg img { animation: none; }
}

/* ---- Cookie popup ---- */
.cookie-popup { position:fixed;inset:0;z-index:9999;display:flex;align-items:flex-end;padding:24px;background:rgba(0,0,0,0.4);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .3s; }
.cookie-popup[data-open="true"] { opacity:1;pointer-events:all; }
.cookie-popup__card { background:var(--bg-alt);border:1px solid var(--border);padding:32px 36px;max-width:480px;border-radius:4px; }
.cookie-popup__label { font-family:var(--mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px; }
.cookie-popup__card h3 { font-size:1.4rem;margin-bottom:12px; }
.cookie-popup__card p { color:var(--fg-soft);font-size:0.92rem;line-height:1.65; }
.cookie-popup__actions { display:flex;gap:12px;margin-top:24px; }
.cookie-popup__actions button { padding:12px 26px;border:1px solid var(--border-strong);cursor:pointer;font-family:var(--mono);font-size:12px;letter-spacing:0.08em;text-transform:uppercase;border-radius:2px;transition:all .25s var(--ease); }
.cookie-popup__actions button:first-child { color:var(--fg-soft); }
.cookie-popup__actions button:first-child:hover { border-color:var(--border-strong);color:var(--fg); }
.cookie-popup__actions button:last-child { background:var(--accent);color:#0A182B;border-color:var(--accent); }
.cookie-popup__actions button:last-child:hover { background:var(--accent-deep);border-color:var(--accent-deep); }