@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Bebas+Neue&display=swap');

:root {
  /* Light surfaces */
  --bg: #F7F8FA;
  --bg-2: #FFFFFF;
  --bg-3: #F0F0F0;
  --panel: #FFFFFF;
  --panel-2: #F0F0F0;
  --panel-3: #E8EAED;

  /* Dark surfaces (hero, footer, dark cards, cta) */
  --dark: #051C2C;
  --dark-2: #0A2A3F;
  --dark-3: #102F45;

  /* Text */
  --text: #1F1F1F;
  --text-strong: #051C2C;
  --text-light: #FFFFFF;
  --muted: #51626F;
  --muted-2: #8A98A4;
  --muted-dark: #B3C1CD;

  /* Accent */
  --brand: #2251FF;
  --brand-dark: #1A3FCC;
  --accent: #2251FF;

  /* Borders & shadow */
  --border: rgba(5, 28, 44, 0.10);
  --border-strong: rgba(5, 28, 44, 0.20);
  --border-dark: rgba(255, 255, 255, 0.14);
  --border-dark-strong: rgba(255, 255, 255, 0.28);
  --shadow: 0 12px 32px rgba(5, 28, 44, 0.06);
  --shadow-strong: 0 18px 48px rgba(5, 28, 44, 0.10);

  --radius: 12px;
  --radius-sm: 6px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Space Grotesk', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.section { padding: 88px 0; background: var(--bg); }
.section.alt { background: var(--bg-3); }

.eyebrow {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 14px;
}

h1, h2, h3 { margin: 0 0 16px; color: var(--text-strong); }
h1, h2 { font-family: 'Bebas Neue', sans-serif; letter-spacing: .03em; line-height: 1.02; }
h3 { line-height: 1.2; font-weight: 600; }
h1 { font-size: clamp(3.2rem, 6vw, 5.8rem); }
h2 { font-size: clamp(2.3rem, 4vw, 3.6rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 16px; }
.lead { font-size: 1.08rem; color: var(--muted); max-width: 760px; }
.sublead { font-size: 1.02rem; color: var(--muted); max-width: 760px; }

.topbar {
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-strong);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.36em;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  letter-spacing: .04em;
  line-height: 1;
  color: var(--text-strong);
  text-transform: uppercase;
}
.brand span {
  display: inline-block;
  background: var(--brand);
  color: var(--text-light);
  font-family: 'Space Grotesk', Arial, sans-serif;
  font-size: 0.42em;
  font-weight: 600;
  letter-spacing: .18em;
  line-height: 1;
  padding: 0.45em 0.7em;
  border-radius: 3px;
}
.nav-links { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.nav-links a {
  color: var(--text-strong);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 500;
}
.nav-links a:hover { color: var(--brand); }
.nav-links .btn.primary { color: var(--text-light); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  transition: .18s ease;
  cursor: pointer;
}
.btn.primary {
  background: var(--brand);
  color: var(--text-light);
  border-color: var(--brand);
}
.btn.primary:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
}
.btn.secondary {
  background: transparent;
  color: var(--text-strong);
  border-color: var(--border-strong);
}
.btn.secondary:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.btn.ghost {
  background: transparent;
  color: var(--brand);
  border-color: var(--border-strong);
}
.btn.ghost:hover { border-color: var(--brand); }

/* Buttons on dark surfaces (hero, cta) */
.hero .btn.secondary,
.cta .btn.secondary {
  color: var(--text-light);
  border-color: var(--border-dark-strong);
}
.hero .btn.secondary:hover,
.cta .btn.secondary:hover {
  border-color: var(--text-light);
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.06);
}

.hero {
  background:
    radial-gradient(circle at 85% -10%, rgba(34, 81, 255, 0.22), transparent 38%),
    var(--dark);
  color: var(--text-light);
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--border-dark);
}
.hero h1, .hero h2, .hero h3 { color: var(--text-light); }
.hero .lead, .hero .sublead { color: var(--muted-dark); }
.hero .eyebrow { color: var(--brand); }

.hero-grid, .grid-2, .grid-3, .grid-4 { display: grid; gap: 24px; }
.hero-grid { grid-template-columns: 1.35fr .9fr; align-items: center; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card h3 { color: var(--text-strong); }

/* Dark card: lives on the dark hero, provides a layered surface */
.card.dark {
  background: var(--dark-2);
  border: 1px solid var(--border-dark);
  color: var(--text-light);
  box-shadow: none;
}
.card.dark h3 { color: var(--text-light); }
.card.dark p, .card.dark li { color: var(--muted-dark); }

.card p:last-child, .service-card p:last-child { margin-bottom: 0; }

.metric {
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dark);
}
.metric strong {
  display: block;
  font-size: 1.6rem;
  margin-bottom: 6px;
  color: var(--text-light);
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: .04em;
}
.metric span { color: var(--muted-dark); font-size: .95rem; }

.badge-row, .button-row, .checklist { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-dark);
  color: var(--text-light);
  font-size: .85rem;
  font-weight: 500;
}

.service-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.service-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-strong);
}
.service-card h3 { color: var(--text-strong); }
.service-card ul, .list { margin: 0; padding-left: 18px; color: var(--muted); }
.service-card li + li, .list li + li { margin-top: 8px; }

.split {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: start;
}
.quote {
  border-left: 3px solid var(--brand);
  padding: 4px 0 4px 18px;
  color: var(--muted);
  font-style: italic;
}

.steps { counter-reset: step; display: grid; gap: 16px; }
.step {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 22px 22px 74px;
  position: relative;
  box-shadow: var(--shadow);
}
.step strong { color: var(--text-strong); }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 22px;
  left: 22px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: var(--text-light);
  font-weight: 700;
  font-size: .95rem;
}

.cta {
  background:
    radial-gradient(circle at 90% 0%, rgba(34, 81, 255, 0.20), transparent 40%),
    var(--dark);
  color: var(--text-light);
  border-radius: var(--radius);
  border: 1px solid var(--border-dark);
  padding: 44px;
}
.cta h2 { color: var(--text-light); }
.cta p { color: var(--muted-dark); }
.cta .eyebrow { color: var(--brand); }

.footer {
  background: var(--dark);
  color: var(--muted-dark);
  padding: 56px 0 36px;
  border-top: 1px solid var(--border-dark);
}
.footer .brand { color: var(--text-light); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; }
.footer a { color: var(--muted-dark); }
.footer a:hover { color: var(--text-light); }

.kicker {
  color: var(--brand);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .76rem;
  font-family: 'JetBrains Mono', monospace;
}
.small { font-size: .95rem; color: var(--muted); }
.footer .small { color: var(--muted-dark); }

.faq details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.faq details + details { margin-top: 12px; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--text-strong); }

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  background: var(--brand);
  color: var(--text-light);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 100;
}
.skip-link:focus {
  left: 16px;
  top: 12px;
  width: auto;
  height: auto;
}

/* Focus states — keyboard accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.hero a:focus-visible,
.cta a:focus-visible,
.footer a:focus-visible {
  outline-color: var(--text-light);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-strong);
  transition: .2s ease;
}

/* Case study tweaks */
.case-study .kicker { margin: 0 0 6px; }
.case-study h3 { margin-bottom: 12px; }
.metric-inline {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .95rem;
}
.metric-inline strong {
  color: var(--brand);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: .03em;
  margin-right: 8px;
}

/* Form styles */
.form .field { margin-bottom: 18px; }
.form label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-strong);
  margin-bottom: 8px;
}
.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form textarea,
.form select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
}
.form textarea { resize: vertical; min-height: 120px; }
.form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) center, calc(100% - 13px) center; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.form .form-row { gap: 16px; margin-bottom: 0; }
.form .consent label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .95rem;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  color: var(--muted);
}
.form .consent input { margin-top: 4px; }

/* Legal line in footer */
.legal {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-dark);
  color: var(--muted-dark);
}

@media (max-width: 920px) {
  .hero-grid, .grid-2, .grid-3, .grid-4, .split, .footer-grid, .form .form-row { grid-template-columns: 1fr; }
  .nav { align-items: center; flex-direction: row; flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links .btn.primary { width: 100%; justify-content: center; }
  .hero { padding-top: 64px; padding-bottom: 56px; }
  .section { padding: 64px 0; }
  .cta { padding: 32px; }
  h1 { font-size: clamp(2.6rem, 9vw, 3.4rem); }
}