:root {
  --ink: #0b1720;
  --ink-soft: #172731;
  --paper: #f6f5ef;
  --white: #ffffff;
  --acid: #d5ff53;
  --blue: #8eb9ff;
  --line: rgba(11, 23, 32, 0.17);
  --muted: #52616a;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
a { color: inherit; }
.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .8rem 1rem;
  background: var(--acid);
  color: var(--ink);
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  max-width: var(--max);
  margin: auto;
  min-height: 88px;
  padding: 1.25rem 2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: var(--white);
}
.brand {
  width: max-content;
  color: inherit;
  font-family: "Manrope", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-decoration: none;
}
.brand span { color: var(--acid); }
nav { display: flex; gap: 2rem; }
nav a, .header-cta {
  color: inherit;
  font-size: .88rem;
  font-weight: 500;
  text-decoration: none;
}
nav a:hover, .header-cta:hover { color: var(--acid); }
.header-cta {
  justify-self: end;
  padding-bottom: .2rem;
  border-bottom: 1px solid currentColor;
}

.hero {
  position: relative;
  min-height: 810px;
  padding: 10.5rem max(2rem, calc((100vw - var(--max)) / 2)) 3rem;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  grid-template-rows: 1fr auto;
  gap: 3rem 4rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 35%, rgba(142,185,255,.16), transparent 25%),
    linear-gradient(115deg, var(--ink), #0c1d27 60%, #102733);
  color: var(--white);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .08;
  background-image: linear-gradient(rgba(255,255,255,.3) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.3) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}
.hero-copy { position: relative; z-index: 1; align-self: center; max-width: 760px; }
.eyebrow {
  margin: 0 0 1.4rem;
  font-family: "Manrope", sans-serif;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  line-height: 1.3;
  text-transform: uppercase;
}
.hero .eyebrow { color: var(--acid); }
h1, h2, h3 { margin-top: 0; font-family: "Manrope", sans-serif; line-height: 1.07; letter-spacing: -.045em; }
h1 { margin-bottom: 2rem; font-size: clamp(3.7rem, 7vw, 7rem); font-weight: 600; }
h1 em { color: var(--acid); font-style: normal; }
.hero-lede { max-width: 680px; margin: 0; color: #dbe4e8; font-size: clamp(1.15rem, 1.5vw, 1.35rem); line-height: 1.55; }
.hero-actions { margin-top: 2.4rem; display: flex; align-items: center; gap: 1.7rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: .85rem 1.35rem;
  border: 0;
  border-radius: 0;
  font: 600 .95rem/1 "DM Sans", sans-serif;
  text-decoration: none;
}
.button-primary { background: var(--acid); color: var(--ink); }
.button-primary:hover { background: var(--white); }
.text-link { color: var(--white); font-size: .95rem; font-weight: 600; text-decoration: none; }
.text-link span { margin-left: .35rem; color: var(--acid); }

.ecosystem {
  position: relative;
  z-index: 1;
  align-self: center;
  justify-self: center;
  width: min(42vw, 480px);
  aspect-ratio: 1;
}
.orbit { position: absolute; inset: 7%; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; }
.orbit-two { inset: 24%; border-color: rgba(213,255,83,.33); }
.core {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 150px;
  height: 150px;
  transform: translate(-50%, -50%);
  display: grid;
  place-content: center;
  border-radius: 50%;
  background: var(--acid);
  color: var(--ink);
  text-align: center;
  box-shadow: 0 0 70px rgba(213,255,83,.16);
}
.core small { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.core strong { font-family: "Manrope", sans-serif; font-size: 1.6rem; letter-spacing: -.04em; }
.node {
  position: absolute;
  min-width: 106px;
  padding: .62rem .9rem;
  border: 1px solid rgba(255,255,255,.23);
  background: rgba(10,24,33,.8);
  color: #eaf1f3;
  font-size: .78rem;
  text-align: center;
  backdrop-filter: blur(8px);
}
.node-customer { top: 1%; left: 50%; transform: translateX(-50%); }
.node-product { top: 50%; right: -1%; transform: translateY(-50%); }
.node-store { bottom: 1%; left: 50%; transform: translateX(-50%); }
.node-partners { top: 50%; left: -1%; transform: translateY(-50%); }

.hero-proof {
  position: relative;
  z-index: 1;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero-proof div { padding: 1.75rem 1.75rem 0 0; display: flex; align-items: flex-start; gap: 1rem; }
.hero-proof strong { color: var(--acid); font-family: "Manrope", sans-serif; font-size: 1.5rem; line-height: 1; }
.hero-proof span { max-width: 210px; color: #b9c5ca; font-size: .82rem; line-height: 1.35; }

.statement {
  padding: 7rem max(2rem, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .55fr 1.45fr;
  gap: 5rem;
  border-bottom: 1px solid var(--line);
}
.statement p { margin: .4rem 0 0; max-width: 260px; color: var(--muted); }
.statement h2 { margin: 0; max-width: 900px; font-size: clamp(2.25rem, 4.2vw, 4.5rem); font-weight: 500; }

.section { max-width: var(--max); margin: 0 auto; padding: 7rem 2rem; }
.section-heading h2 { margin-bottom: 0; font-size: clamp(2.5rem, 5vw, 5rem); font-weight: 600; }
.approach { display: grid; grid-template-columns: .7fr 1.3fr; gap: 6rem; }
.approach-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); }
.approach-grid article { min-height: 280px; padding: 2rem 2rem 2rem 0; border-bottom: 1px solid var(--line); }
.approach-grid article:nth-child(even) { padding-left: 2rem; border-left: 1px solid var(--line); }
.approach-grid span, .case-index { color: var(--muted); font-size: .76rem; letter-spacing: .12em; }
.approach-grid h3 { margin: 2.6rem 0 .9rem; font-size: 2rem; }
.approach-grid p { margin: 0; color: var(--muted); }

.work { max-width: none; padding-left: max(2rem, calc((100vw - var(--max)) / 2)); padding-right: max(2rem, calc((100vw - var(--max)) / 2)); background: var(--white); }
.work-heading { margin-bottom: 4rem; display: grid; grid-template-columns: 1.25fr .75fr; gap: 5rem; align-items: end; }
.work-heading h2 { max-width: 850px; font-size: clamp(2.7rem, 5vw, 5.2rem); }
.work-heading > p { margin: 0; color: var(--muted); font-size: 1.05rem; }
.case-card { padding: 2.5rem 0; display: grid; grid-template-columns: .2fr .55fr 1fr; gap: 2rem; border-top: 1px solid var(--ink); }
.case-title p { margin: 0 0 .5rem; color: var(--muted); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.case-title h3 { margin: 0; font-size: 2.1rem; }
.case-summary > p { margin: 0 0 1.5rem; max-width: 700px; font-size: 1.1rem; }
.case-summary ul { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .55rem; list-style: none; }
.case-summary li { padding: .42rem .65rem; border: 1px solid var(--line); color: var(--muted); font-size: .75rem; }

.offer { max-width: none; padding-left: max(2rem, calc((100vw - var(--max)) / 2)); padding-right: max(2rem, calc((100vw - var(--max)) / 2)); background: var(--blue); }
.offer-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 7rem; }
.offer-intro h2 { margin-bottom: 1.5rem; max-width: 600px; font-size: clamp(2.9rem, 5vw, 5.3rem); }
.offer-intro > p:last-child { max-width: 540px; font-size: 1.1rem; }
.offer-intro .partner-note { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(11,23,32,.28); font-size: .95rem; }
.offer-output { padding-top: .5rem; }
.offer-label { margin: 0 0 1.6rem; font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.offer-output ul { margin: 0; padding: 0; border-top: 1px solid rgba(11,23,32,.6); list-style: none; }
.offer-output li { padding: 1rem 0; display: flex; align-items: center; gap: 1.2rem; border-bottom: 1px solid rgba(11,23,32,.25); font-weight: 500; }
.offer-output span { font-size: .7rem; opacity: .6; }

.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 7rem; }
.fit h2 { max-width: 600px; font-size: clamp(2.5rem, 4.5vw, 4.7rem); }
.fit-list { border-top: 1px solid var(--ink); }
.fit-list p { margin: 0; padding: 1.25rem 0; display: flex; gap: 1rem; border-bottom: 1px solid var(--line); }
.fit-list span { color: var(--acid); -webkit-text-stroke: 1px var(--ink); }

.about { border-top: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7rem; }
.about h2 { max-width: 650px; font-size: clamp(2.6rem, 4.7vw, 4.9rem); }
.about-grid > div { max-width: 590px; color: var(--muted); font-size: 1.08rem; }
.about-grid p:first-child { margin-top: .2rem; color: var(--ink); font-size: 1.25rem; }

.contact { padding: 8rem 2rem; background: var(--acid); color: var(--ink); text-align: center; }
.contact h2 { max-width: 900px; margin: 0 auto 1.4rem; font-size: clamp(3rem, 6vw, 6.4rem); }
.contact > p:not(.eyebrow) { margin: 0 auto 2rem; font-size: 1.2rem; }
.button-contact { margin: 0 auto; gap: .7rem; background: var(--ink); color: var(--white); }
.button-contact:disabled { cursor: not-allowed; opacity: .76; }
.contact small { display: block; margin-top: 1rem; color: #37420f; }

footer {
  padding: 2rem max(2rem, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  background: var(--ink);
  color: var(--white);
}
footer p { margin: 0; color: #aebbc0; font-size: .75rem; }
footer p:last-child { justify-self: end; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 9rem; }
  .hero-copy { max-width: 700px; }
  .ecosystem { width: min(86vw, 430px); margin: 1.5rem auto; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof div { padding-bottom: 1.25rem; border-bottom: 1px solid rgba(255,255,255,.12); }
  .statement, .approach, .work-heading, .offer-panel, .fit, .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .case-card { grid-template-columns: .15fr .55fr 1fr; }
}

@media (max-width: 640px) {
  .site-header { min-height: 72px; padding: 1rem 1.2rem; }
  .header-cta { font-size: .8rem; }
  .hero { padding: 7.5rem 1.2rem 2rem; gap: 2rem; }
  h1 { font-size: clamp(3.1rem, 15vw, 4.8rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .ecosystem { width: 86vw; transform: scale(.92); }
  .node { min-width: 88px; padding: .52rem; font-size: .7rem; }
  .core { width: 125px; height: 125px; }
  .core strong { font-size: 1.35rem; }
  .statement, .section { padding: 5rem 1.2rem; }
  .statement { gap: 2rem; }
  .approach-grid { grid-template-columns: 1fr; }
  .approach-grid article, .approach-grid article:nth-child(even) { min-height: auto; padding: 1.8rem 0; border-left: 0; }
  .approach-grid h3 { margin-top: 1.5rem; }
  .work, .offer { padding-left: 1.2rem; padding-right: 1.2rem; }
  .case-card { grid-template-columns: 1fr; gap: 1rem; }
  .case-summary > p { font-size: 1rem; }
  .about-grid > div { font-size: 1rem; }
  .contact { padding: 6rem 1.2rem; }
  footer { grid-template-columns: 1fr; padding: 2rem 1.2rem; }
  footer p:last-child { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}