:root {
  --blue: #0030B5;
  --orange: #FF6A00;
  --ink: #171717;
  --off: #F5F3ED;
  --white: #FFFFFF;
  --line: rgba(23, 23, 23, .18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--ink);
  background: var(--off);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  z-index: 50;
  background: rgba(245,243,237,.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.brand, .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--blue);
  color: var(--white);
}

.nav { display: flex; align-items: center; gap: 28px; font-size: .92rem; }
.nav a:hover { opacity: .65; }
.nav-cta {
  padding: 10px 16px;
  background: var(--ink);
  color: var(--white);
  border-radius: 100px;
}

.menu-toggle { display:none; border:0; background:none; }

.hero {
  min-height: 100vh;
  padding: 150px 4vw 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(rgba(0,48,181,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,48,181,.035) 1px, transparent 1px),
    var(--off);
  background-size: 36px 36px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 7vw;
}

.eyebrow {
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--blue);
  margin: 0 0 18px;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  font-size: clamp(3.8rem, 7.2vw, 8.3rem);
  line-height: .92;
  letter-spacing: -.065em;
  max-width: 970px;
  margin-bottom: 30px;
}

.hero-text {
  font-size: clamp(1.08rem, 1.5vw, 1.35rem);
  max-width: 660px;
}

.hero-actions { display:flex; gap: 20px; align-items:center; margin-top: 34px; flex-wrap: wrap; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 100px;
  border: 0;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.button-primary { background: var(--blue); color: white; }
.button-primary:hover { transform: translateY(-2px); }
.button-link { padding-inline: 0; border-radius: 0; border-bottom: 1px solid; }

.hero-system {
  position: relative;
  min-height: 540px;
  border: 1px solid rgba(0,48,181,.24);
  border-radius: 26px;
  overflow: hidden;
  background: rgba(255,255,255,.45);
}

.hero-system::before,
.hero-system::after {
  content:"";
  position:absolute;
  border-radius:50%;
  background: var(--orange);
  filter: blur(0);
}
.hero-system::before { width: 120px; height: 120px; top: -40px; right: -25px; }
.hero-system::after { width: 45px; height: 45px; left: 35px; bottom: 35px; }

.system-core, .system-node, .system-label {
  position:absolute;
  z-index:2;
  display:grid;
  place-items:center;
  text-align:center;
  font-weight:800;
  letter-spacing:.04em;
}

.system-core {
  width: 160px; height:160px; border-radius:50%;
  background:var(--blue); color:white;
  left:50%; top:50%; transform:translate(-50%,-50%);
}

.system-node {
  padding: 12px 16px;
  border:1px solid var(--ink);
  background:var(--off);
  border-radius:100px;
  font-size:.75rem;
}

.node-1 { top: 21%; left: 8%; }
.node-2 { top: 19%; right: 7%; }
.node-3 { bottom: 22%; left: 7%; }
.node-4 { bottom: 19%; right: 7%; }

.system-label { font-size:.7rem; color:var(--blue); }
.system-label.top { top: 24px; left:50%; transform:translateX(-50%); }
.system-label.bottom { bottom: 24px; left:50%; transform:translateX(-50%); }

.line {
  position:absolute; z-index:1; height:1px; background:rgba(0,48,181,.45);
  transform-origin:left center;
}
.l1 { width: 180px; top: 33%; left: 23%; transform: rotate(24deg); }
.l2 { width: 170px; top: 33%; left: 51%; transform: rotate(-25deg); }
.l3 { width: 180px; top: 62%; left: 22%; transform: rotate(-26deg); }
.l4 { width: 175px; top: 62%; left: 51%; transform: rotate(27deg); }

.hero-note {
  margin-top: 50px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .18em;
}

section { padding: 110px 4vw; }

.manifesto {
  display:grid;
  grid-template-columns: 120px 1fr;
  background: var(--blue);
  color: white;
}

.section-tag {
  font-size: .8rem;
  font-weight: 800;
  letter-spacing:.14em;
  opacity:.65;
}

.manifesto-content { max-width: 1100px; }
.big-copy {
  font-size: clamp(2.5rem, 5vw, 5.8rem);
  line-height: 1.02;
  letter-spacing: -.055em;
  margin-bottom: 36px;
}
.support-copy { max-width: 760px; font-size: 1.15rem; opacity:.82; }

.section-heading { max-width: 900px; margin-bottom: 54px; }
.section-heading h2, .about h2, .contact h2 {
  font-size: clamp(2.5rem, 5vw, 5.6rem);
  line-height: 1;
  letter-spacing: -.055em;
}

.service-grid {
  display:grid;
  grid-template-columns: repeat(4,1fr);
  border-top:1px solid var(--line);
}
.service-card {
  min-height: 340px;
  padding: 30px;
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
}
.service-card:last-child { border-right:0; }
.service-card span { font-size:.75rem; font-weight:800; color:var(--blue); }
.service-card h3 { margin-top:auto; font-size:1.55rem; }
.service-card p { margin-bottom:0; opacity:.72; }

.process {
  display:grid;
  grid-template-columns: 120px 1fr;
  background:var(--ink);
  color:white;
}
.process .eyebrow { color:var(--orange); }
.process-list { border-top:1px solid rgba(255,255,255,.25); }
.process-item {
  display:grid;
  grid-template-columns:130px 1fr;
  gap:30px;
  padding:30px 0;
  border-bottom:1px solid rgba(255,255,255,.18);
}
.process-number { color:var(--orange); font-weight:800; }
.process-item h3 { font-size:1.75rem; margin-bottom:8px; }
.process-item p { opacity:.72; margin:0; }

.project-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.project-card { border-radius:22px; overflow:hidden; min-height:620px; display:flex; flex-direction:column; }
.project-meta { padding:20px; font-size:.7rem; font-weight:800; letter-spacing:.12em; }
.project-visual {
  margin: 0 20px;
  min-height: 330px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  overflow:hidden;
}
.project-copy { padding:24px 20px 28px; margin-top:auto; }
.project-copy h3 { font-size:1.65rem; margin-bottom:10px; }
.project-copy p { margin:0; max-width:420px; }

.project-blue { background:var(--blue); color:white; }
.project-blue .project-visual { background:var(--off); color:var(--blue); gap:14px; }
.project-visual-system span { border:1px solid var(--blue); border-radius:100px; padding:12px 24px; font-weight:800; }

.project-earth { background:#D9D0C2; color:#2F312D; }
.project-earth .project-visual { background:#F7F2EA; }
.project-visual-darro .flower { font-size:6rem; color:#A75A45; }
.project-visual-darro p { font-size:2.6rem; line-height:1; text-align:center; }

.project-orange { background:var(--orange); color:var(--ink); }
.project-orange .project-visual { background:#FFD600; padding:30px; align-items:flex-start; }
.project-visual-editorial strong { font-size:4rem; line-height:.9; }
.project-visual-editorial span { font-size:1.6rem; font-weight:800; margin-top:12px; }
.project-visual-editorial small { margin-top:auto; font-weight:800; }

.about {
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:20px;
  background:var(--off);
}
.about-panel, .about-quote { border:1px solid var(--line); border-radius:22px; padding:45px; }
.about-panel p:not(.eyebrow) { max-width:720px; font-size:1.12rem; }
.about-quote {
  display:flex; align-items:flex-end;
  background:var(--orange);
  min-height:420px;
}
.about-quote p { font-size:clamp(2rem,3.5vw,4rem); line-height:1.02; letter-spacing:-.04em; margin:0; }

.contact {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8vw;
  background:var(--blue);
  color:white;
}
.contact .eyebrow { color:var(--orange); }
.contact-form { display:flex; flex-direction:column; gap:20px; }
.contact-form label { display:flex; flex-direction:column; gap:8px; font-size:.82rem; font-weight:700; }
.contact-form input, .contact-form textarea {
  width:100%;
  border:0;
  border-bottom:1px solid rgba(255,255,255,.6);
  background:transparent;
  color:white;
  font:inherit;
  padding:12px 0;
  outline:none;
}
.contact-form textarea { resize:vertical; }
.button-light { background:white; color:var(--blue); align-self:flex-start; margin-top:8px; }
.form-note { font-size:.72rem; opacity:.65; }

footer {
  padding:42px 4vw;
  display:grid;
  grid-template-columns:1fr 1fr auto;
  gap:20px;
  align-items:center;
  background:var(--ink);
  color:white;
}
.footer-links { display:flex; gap:20px; justify-content:flex-end; }
footer small { grid-column:1/-1; opacity:.55; padding-top:20px; border-top:1px solid rgba(255,255,255,.18); }

.reveal { opacity:0; transform:translateY(24px); transition: .7s ease; }
.reveal.visible { opacity:1; transform:none; }

@media (max-width: 980px) {
  .hero-grid, .contact, .about { grid-template-columns:1fr; }
  .hero-system { min-height:440px; }
  .service-grid { grid-template-columns:1fr 1fr; }
  .service-card:nth-child(2) { border-right:0; }
  .project-grid { grid-template-columns:1fr; }
  .project-card { min-height:auto; }
  .project-visual { min-height:300px; }
  .manifesto, .process { grid-template-columns:70px 1fr; }
}

@media (max-width: 720px) {
  .site-header { height:68px; }
  .menu-toggle {
    display:flex;
    flex-direction:column;
    gap:6px;
    width:38px;
    padding:8px;
  }
  .menu-toggle span { height:2px; background:var(--ink); width:100%; }
  .nav {
    position:fixed;
    inset:68px 0 auto 0;
    background:var(--off);
    padding:26px 4vw 34px;
    flex-direction:column;
    align-items:flex-start;
    transform:translateY(-130%);
    transition:.3s ease;
    border-bottom:1px solid var(--line);
  }
  .nav.open { transform:none; }

  .hero { padding-top:120px; }
  h1 { font-size:clamp(3.25rem,15vw,5rem); }
  section { padding:78px 5vw; }
  .hero-system { min-height:390px; }
  .system-core { width:130px; height:130px; }
  .system-node { font-size:.63rem; padding:10px 12px; }
  .line { opacity:.55; }

  .manifesto, .process { grid-template-columns:1fr; gap:34px; }
  .service-grid { grid-template-columns:1fr; }
  .service-card { border-right:0; border-bottom:1px solid var(--line); min-height:260px; }
  .process-item { grid-template-columns:60px 1fr; }
  .about-panel, .about-quote { padding:30px; }
  footer { grid-template-columns:1fr; }
  .footer-links { justify-content:flex-start; }
}