/* ProspectNorth: brand tokens from the brand board */
:root {
  --navy: #0B1F3B;        /* North Navy (primary) */
  --navy-deep: #071528;
  --navy-2: #12294B;
  --blue: #007BFF;        /* Summit Blue (accent, graphics & large text) */
  --blue-btn: #006FE6;    /* Summit Blue deepened a touch so white button text meets WCAG AA */
  --blue-btn-hover: #0062CC;
  --blue-text: #0062CC;   /* accent text on light backgrounds (AA) */
  --sky: #38BDF8;         /* Sky Blue (secondary) */
  --steel: #687280;       /* Steel Gray (neutral) */
  --muted: #56606D;       /* body-muted on light (AA on North Light) */
  --muted-dark: #B7C4D6;  /* body-muted on navy */
  --light: #F3F6FA;       /* North Light (background) */
  --white: #FFFFFF;
  --line: #DCE3EC;

  --font-head: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(11, 31, 59, .06), 0 8px 24px rgba(11, 31, 59, .06);
  --container: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--navy);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue-text); }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-weight: 700; }
h2 { font-weight: 700; font-size: clamp(1.75rem, 1.2rem + 1.9vw, 2.5rem); max-width: 26ch; text-wrap: balance; }
h3 { font-weight: 600; font-size: 1.2rem; text-wrap: balance; }
p { margin: 0 0 1em; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 820px; }

.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--white); color: var(--navy); padding: 10px 14px; border-radius: 8px; font-weight: 600; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 6px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 12px 24px; border-radius: 999px;
  font-family: var(--font-body); font-weight: 600; font-size: 1rem; line-height: 1.2;
  text-decoration: none; text-align: center; border: 2px solid transparent;
  transition: background-color .15s, border-color .15s, color .15s, transform .15s;
}
.btn--primary { background: var(--blue-btn); color: var(--white); }
.btn--primary:hover { background: var(--blue-btn-hover); }
.btn--ghost { color: var(--white); border-color: rgba(255,255,255,.55); background: transparent; }
.btn--ghost:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.btn--sm { white-space: nowrap; min-height: 40px; padding: 8px 18px; font-size: .9375rem; }
.btn:active { transform: translateY(1px); }

/* Header */
.site-header { position: absolute; top: 0; left: 0; right: 0; z-index: 10; }
.nav { display: flex; align-items: center; gap: 32px; height: 80px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--white); }
.brand__mark { width: 46px; height: 46px; flex: none; }
.brand__word { font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; letter-spacing: .01em; white-space: nowrap; }
.brand__word span { color: var(--blue); }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a { color: #D6DFEA; text-decoration: none; font-size: .9375rem; font-weight: 500; }
.nav__links a:hover { color: var(--white); }

/* Hero */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(40% 50% at 76% 22%, rgba(56,189,248,.16), transparent 70%),
    radial-gradient(120% 90% at 80% 0%, #17335C 0%, var(--navy) 55%, var(--navy-deep) 100%);
  color: var(--white);
  padding: 184px 0 200px;
  min-height: 760px;
}
.hero__mountains { position: absolute; inset: auto 0 0 0; width: 100%; height: 88%; z-index: -1; }
.hero__inner { position: relative; }
.hero h1 { font-size: clamp(2.5rem, 1.4rem + 4.2vw, 4.25rem); max-width: 13ch; margin-bottom: .45em; text-wrap: balance; }
.hero h1 .accent { color: var(--blue); display: inline-block; }
.hero__sub { font-size: clamp(1.0625rem, 1rem + .35vw, 1.25rem); color: #D6DFEA; max-width: 36rem; margin-bottom: 2rem; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__call { margin: 1.25rem 0 0; color: var(--muted-dark); font-size: .9375rem; }
.hero__call a { color: var(--white); font-weight: 600; }

.eyebrow { font-family: var(--font-body); font-size: .8125rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--blue-text); margin-bottom: .9rem; }
.eyebrow--light { color: var(--sky); }

/* Sections */
.section { padding: 96px 0; }
.section--light { background: var(--light); }
.lead { font-size: 1.125rem; color: var(--muted); }

.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); margin-top: 40px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.card p { color: var(--muted); margin: 0; }
.problem .card { border-top: 4px solid var(--blue); }

.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: none; }
.step { position: relative; padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--white); }
.step p { color: var(--muted); margin: 0; }
.step__num {
  display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 18px;
  border-radius: 12px; background: var(--navy); color: var(--sky);
  font-family: var(--font-head); font-weight: 700; font-size: 1.125rem;
}

.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: start; }
.split__intro h2 { max-width: 18ch; }

.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checklist li {
  position: relative; background: var(--white); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 20px 18px 58px; color: var(--muted);
}
.checklist li strong { color: var(--navy); font-weight: 600; }
.checklist li::before {
  content: ""; position: absolute; left: 20px; top: 20px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat;
}

.ticks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.ticks li { position: relative; padding-left: 34px; color: var(--muted); font-size: 1.0625rem; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .2em; width: 20px; height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l7 20-7-5-7 5z' fill='%23007BFF'/%3E%3C/svg%3E") center / contain no-repeat;
}

.founding {
  background: linear-gradient(160deg, var(--navy-2) 0%, var(--navy) 100%);
  color: var(--white); border-radius: 18px; padding: 36px; box-shadow: 0 20px 40px rgba(11,31,59,.18);
  position: relative; overflow: hidden;
}
.founding::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%;
  border: 2px solid rgba(56,189,248,.18);
}
.founding h3 { font-size: 1.5rem; margin-bottom: .6em; max-width: 20ch; }
.founding p { color: #D6DFEA; }
.founding .btn { margin-top: 8px; }
.founding__tag {
  display: inline-block; font-size: .75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--navy) !important; background: var(--sky); padding: 5px 12px; border-radius: 999px; margin-bottom: 18px;
}

/* FAQ */
.faq { margin-top: 32px; display: grid; gap: 12px; }
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: 12px; }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 56px 20px 22px; position: relative;
  font-family: var(--font-head); font-weight: 600; font-size: 1.0625rem; color: var(--navy); text-wrap: pretty;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 22px; top: 50%; width: 12px; height: 12px; margin-top: -8px;
  border-right: 2.5px solid var(--blue); border-bottom: 2.5px solid var(--blue); transform: rotate(45deg);
  transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq details p { padding: 0 22px 20px; margin: 0; color: var(--muted); }

/* CTA band */
.cta-band { background: linear-gradient(120deg, var(--navy) 0%, #0F2A52 100%); color: var(--white); padding: 72px 0; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 120% at 100% 50%, rgba(0,123,255,.25), transparent 70%); pointer-events: none; }
.cta-band__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-band h2 { margin-bottom: .35em; max-width: 24ch; }
.cta-band p { color: #D6DFEA; margin: 0; max-width: 40rem; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 14px; flex: none; }

/* Footer */
.site-footer { background: var(--navy-deep); color: var(--muted-dark); padding: 56px 0 28px; font-size: .9375rem; }
.footer { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer__tagline { margin: 14px 0 0; letter-spacing: .08em; text-transform: uppercase; font-size: .8125rem; color: var(--muted-dark); }
.footer__contact { display: flex; gap: 48px; flex-wrap: wrap; }
.footer__contact p { margin: 0; }
.site-footer a { color: var(--white); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer__legal { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 22px; }
.footer__legal p { margin: 0; font-size: .875rem; }

/* Responsive */
@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav { justify-content: space-between; }
  .grid--3, .steps { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .nav { height: 68px; }
  .brand { gap: 9px; }
  .brand__mark { width: 32px; height: 32px; }
  .brand__word { font-size: 1.0625rem; }
  .hero { padding: 128px 0 200px; min-height: 0; }
  .hero__mountains { height: 40%; }
  .hero__ctas .btn { flex: 1 1 100%; }
  .section { padding: 64px 0; }
  .card, .step { padding: 24px; }
  .founding { padding: 28px 24px; }
  .cta-band { padding: 56px 0; }
  .cta-band__actions, .cta-band__actions .btn { width: 100%; }
  .footer__contact { flex-direction: column; gap: 16px; }
}
@media (max-width: 380px) {
  .btn--sm { padding: 8px 14px; font-size: .875rem; }
  .brand__word { font-size: .95rem; }
}

/* Who we work with */
.industries { margin-top: 40px; background: var(--light); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.industry { display: grid; grid-template-columns: 250px 1fr; gap: 16px 32px; align-items: center; padding: 22px 28px; }
.industry + .industry { border-top: 1px solid var(--line); }
.industry h3 { font-size: 1.0625rem; margin: 0; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  background: var(--white); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 13px; font-size: .875rem; font-weight: 500; line-height: 1.3; color: var(--navy);
}
.industry--trades .chips li { border-color: rgba(0,123,255,.3); }
.industries__note { margin: 24px 0 0; color: var(--muted); }
.industries__note a { font-weight: 600; }
.section:not(.section--light) .faq details { background: var(--light); }
@media (max-width: 760px) { .industry { grid-template-columns: 1fr; gap: 14px; padding: 20px; } }
