/* NexusOne site — flat, semantic classes; ports into a WordPress block theme.
   Left-aligned, 1120px measure, one accent use per screen (the CTA). */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17.5px;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; }

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -0.015em; }
h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; }

p { max-width: 65ch; }

a { color: var(--brand-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--brand-deep); outline-offset: 3px; border-radius: 2px; }

.button {
  display: inline-block;
  background: var(--brand-deep);
  color: var(--on-accent);
  padding: 0.72em 1.35em;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
  transition: filter 120ms ease;
}
.button:hover { filter: brightness(1.12); box-shadow: 0 0 14px rgba(80,160,255,.55), 0 0 30px rgba(80,160,255,.25); }

/* ---------- header / nav ---------- */

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-nav {
  max-width: 1120px;
  margin-inline: auto;
  padding: 0.7rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-logo { display: inline-flex; }
.nav-logo img { width: 150px; height: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
}
.nav-links a:not(.button) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 0.98rem; }
.nav-links a:not(.button):hover { color: var(--brand-deep); text-decoration: underline; }
.nav-toggle { display: none; }

@media (max-width: 780px) {
  .nav-toggle {
    display: inline-block;
    margin-left: auto;
    background: none;
    border: 1px solid var(--line);
    color: var(--ink);
    font: inherit;
    font-size: 0.95rem;
    padding: 0.4em 0.9em;
    border-radius: 6px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem 1.25rem;
    gap: 1rem;
  }
  .nav-links.open { display: flex; }
}

/* ---------- shared section rhythm ---------- */

main > section, main > article {
  max-width: 1120px;
  margin-inline: auto;
  padding: 3.5rem 1.5rem;
}
main > article > section { padding: 1.25rem 0; }

.page-head { padding-top: 1rem; }
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  margin: 0 0 0.75rem;
}
.lede { font-size: 1.15rem; color: var(--muted); }

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 3rem;
  align-items: center;
  padding-top: 4.5rem;
  padding-bottom: 4rem;
}
.hero-sub { font-size: 1.18rem; color: var(--muted); margin-top: 1rem; }
.hero-actions { display: flex; align-items: center; gap: 1.5rem; margin-top: 2rem; flex-wrap: wrap; }
.hero-secondary { font-weight: 500; }
.hero-visual svg { width: 100%; max-width: 440px; height: auto; display: block; margin-inline: auto; }

.dg-box rect { fill: var(--surface); stroke: var(--line); stroke-width: 1.5; }
.dg-box-brand rect { fill: var(--brand-pale); stroke: var(--brand); }
.dg-t1 { fill: var(--ink); font: 600 15px var(--font-head); }
.dg-t2 { fill: var(--muted); font: 400 12.5px var(--font-body); }
.dg-label { fill: var(--muted); font: 400 12px var(--font-body); }
.dg-arrow path { stroke: var(--muted); stroke-width: 1.5; fill: none; }
.dg-chart-bg { fill: var(--surface); stroke: var(--line); stroke-width: 1.5; }
.dg-rev { stroke: var(--brand); stroke-width: 3; fill: none; stroke-linecap: round; }
.dg-ovh { stroke: var(--muted); stroke-width: 2; fill: none; stroke-dasharray: 5 6; stroke-linecap: round; }
.dg-rev-label { fill: var(--brand); font: 600 12.5px var(--font-body); }
.dg-ovh-label { fill: var(--muted); font: 400 12.5px var(--font-body); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 2.5rem; padding-top: 2.5rem; }
}

/* ---------- v2 homepage: copy-first hero + case panels ---------- */

.hero-solo {
  display: block;
  max-width: 1120px;
  padding-top: 5rem;
  padding-bottom: 4.5rem;
}
.hero-solo h1 { max-width: 22em; }
.hero-solo .hero-sub { max-width: 38em; }

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  margin: 0 0 1rem;
}

.our-work { padding-top: 0; }
.case-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 2.25rem 2.5rem 2.5rem;
  margin-top: 1.5rem;
}
.case-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  margin: 0 0 1rem;
}
.case-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: 2.5rem;
  align-items: center;
}
.case-body h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); letter-spacing: -0.01em; }
.case-body p { font-size: 1.05rem; }
.case-conclusion { font-weight: 700; font-size: 1.1rem; }
.case-outcome {
  border-left: 3px solid var(--brand);
  padding-left: 1.5rem;
  align-self: center;
}
.case-figure {
  display: block;
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.case-figure-label { display: block; color: var(--muted); margin-top: 0.4rem; font-size: 0.95rem; }

@media (max-width: 860px) {
  .case-panel { padding: 1.75rem 1.5rem 2rem; }
  .case-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .case-outcome { align-self: start; }
}

.steps.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .steps.cols-3 { grid-template-columns: 1fr; } }

.partnership { border-top: 1px solid var(--line); }
.founder-name { font-size: 1rem; color: var(--muted); font-weight: 500; margin-bottom: 0.75rem; }

/* ---------- sector rail ---------- */

.sector-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 1.75rem;
}
.sector-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem 1.1rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 120ms ease;
}
.sector-card:hover { border-color: var(--brand); }
.sector-card .glyph { color: var(--brand); }
.sector-name {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
}
.sector-line { font-size: 0.92rem; line-height: 1.5; }
.sector-link { margin-top: auto; padding-top: 0.5rem; font-weight: 500; font-size: 0.95rem; color: var(--brand-deep); }
.sector-card:hover .sector-link { text-decoration: underline; }

@media (max-width: 1080px) { .sector-cards { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .sector-cards { grid-template-columns: 1fr; } }

/* ---------- proof strip ---------- */

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}
.proof-figure { display: block; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; }
.proof-line { display: block; color: var(--muted); margin-top: 0.4rem; font-size: 0.98rem; }
@media (max-width: 760px) { .proof-strip { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ---------- steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 1.75rem;
}
.step p { font-size: 0.98rem; color: var(--muted); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ---------- case teaser / founder ---------- */

.case-teaser { border-top: 1px solid var(--line); }

.founder {
  display: flex;
  gap: 2rem;
  align-items: center;
  border-top: 1px solid var(--line);
}
.founder-photo {
  flex: 0 0 auto;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: var(--brand-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font: 700 2.4rem var(--font-head);
  color: var(--brand);
}
@media (max-width: 640px) { .founder { flex-direction: column; align-items: flex-start; } }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--brand-pale);
  border-radius: 12px;
  margin-top: 1rem;
  margin-bottom: 3.5rem;
  padding: 3rem 2.5rem !important;
}
.cta-band p { color: var(--ink); margin-bottom: 1.5rem; }

/* ---------- sector page ---------- */

.sector-page section h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.sector-page .work p, .sector-page .system p { font-size: 1.12rem; }
.result-line { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.005em; max-width: 34em; }

/* ---------- case studies ---------- */

.case { border-top: 1px solid var(--line); }
.cases-page .case:first-of-type { border-top: 0; }
.case .result-line { font-size: 1.12rem; }
.model-line { color: var(--muted); font-size: 0.95rem; }
blockquote { margin: 1.5rem 0 0; padding-left: 1.25rem; border-left: 3px solid var(--brand); font-size: 1.05rem; }
blockquote cite { display: block; margin-top: 0.5rem; font-style: normal; color: var(--muted); font-size: 0.9rem; }

/* ---------- how we work ---------- */

.modes { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
@media (max-width: 820px) { .modes { grid-template-columns: 1fr; } }
.facts span { display: inline-block; margin-right: 1.5rem; color: var(--muted); font-size: 0.95rem; }

/* ---------- talk to us ---------- */

.calendly iframe {
  width: 100%;
  height: 720px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}
.fallback { color: var(--muted); }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--line); }
.site-footer p {
  max-width: 1120px;
  margin-inline: auto;
  padding: 1.75rem 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.75rem;
}
.site-footer a { color: var(--muted); }

/* ---------- contact modal ---------- */
.nx-modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.nx-modal[hidden]{display:none}
.nx-modal-backdrop{position:absolute;inset:0;background:rgba(8,12,16,.72)}
.nx-modal-card{position:relative;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:34px 34px 28px;width:min(560px,100%);max-height:90vh;overflow:auto;box-shadow:0 18px 60px rgba(0,0,0,.45)}
.nx-modal-card h2{margin-top:0}
.nx-modal-x{position:absolute;top:10px;right:12px;background:none;border:0;color:var(--muted);font-size:26px;line-height:1;cursor:pointer;padding:6px}
.nx-modal-x:hover{color:var(--ink)}
.nx-modal-sub{color:var(--muted);margin-top:-8px}
.nx-contact-form{display:flex;flex-direction:column;gap:14px;margin-top:18px}
.nx-contact-form .cf-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.nx-contact-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500;color:var(--muted)}
.nx-contact-form input,.nx-contact-form textarea{font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:10px 12px}
.nx-contact-form input:focus,.nx-contact-form textarea:focus{outline:2px solid var(--brand-deep);outline-offset:1px}
.nx-contact-form .button{align-self:flex-start;margin-top:4px;border:0;cursor:pointer;font:inherit}
.cf-note{font-size:13px;color:var(--muted);margin:0}
.talk-form{max-width:560px}
@media(max-width:560px){.nx-contact-form .cf-row{grid-template-columns:1fr}.nx-modal-card{padding:26px 20px 22px}}

/* modal refinements (v1.1) */
.nx-modal-card h2{text-align:center}
.nx-modal-sub{text-align:center;margin-left:auto;margin-right:auto}
.nx1-hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.nx-form-done{text-align:center;padding:30px 0 14px}
.nx-form-done h3{margin:0 0 10px}
.nx-form-done p{color:var(--muted);margin:0 auto}