/* ====== CSS Variables (brand palette derived from logo / hero banner) ====== */
:root {
  --color-primary: #16284F;
  --color-primary-light: #25406F;
  --color-accent: #F2994A;
  --color-accent-dark: #D97F2E;
  --color-bg: #FFFFFF;
  --color-surface: #F7F8FA;
  --color-text: #16284F;
  --color-muted: #5B6B85;
  --color-border: #E3E7EE;

  --font-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container-width: 1200px;
  --radius: 14px;
  --shadow-soft: 0 8px 24px rgba(22, 40, 79, 0.08);
  --shadow-card: 0 2px 10px rgba(22, 40, 79, 0.06);
  --transition: 0.2s ease;
}

/* ====== Reset ====== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 16px;
  line-height: 1.55;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; font-weight: 700; }
p { margin: 0 0 1em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.5em 1em;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

section { padding: 64px 0; }
section h2 { font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.4rem); }

.section-lead {
  color: var(--color-muted);
  max-width: 620px;
  font-size: 1.05rem;
}

.note {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border-left: 3px solid var(--color-accent);
  padding-left: 12px;
  margin-top: 1.5em;
}

.microcopy {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-top: 12px;
}

/* ====== Buttons ====== */
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-secondary:hover, .btn-secondary:focus-visible {
  background: var(--color-primary);
  color: #fff;
}

/* ====== Header ====== */
.section-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.section-header.is-scrolled {
  box-shadow: var(--shadow-soft);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--color-primary);
}
.brand img { border-radius: 6px; }
.brand-name strong { color: var(--color-accent); }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.primary-nav {
  display: none;
  align-items: center;
  gap: 28px;
}
.primary-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-muted);
}
.primary-nav a:hover { color: var(--color-primary); }

.nav-cta { display: none; }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav { display: flex; }
  .nav-cta { display: inline-block; }
}

.primary-nav.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 16px 20px;
  gap: 16px;
  box-shadow: var(--shadow-soft);
}

/* ====== Hero ====== */
.section-hero { padding-top: 48px; }
.hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.05fr 1fr; }
}
.trust-microcopy {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 0.6em;
}
.section-hero h1 {
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3.1rem);
  color: var(--color-primary);
}
.hero-subhead {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 560px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-badges li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
}
.hero-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* ====== Card grids ====== */
.card-grid {
  display: grid;
  gap: 20px;
  margin-top: 32px;
}
.card-grid-3 { grid-template-columns: 1fr; }
.card-grid-4 { grid-template-columns: 1fr; }
.card-grid-5 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .card-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid-4 { grid-template-columns: repeat(4, 1fr); }
  .card-grid-5 { grid-template-columns: repeat(5, 1fr); }
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.card h3 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 0.4em;
}
.card p { color: var(--color-muted); font-size: 0.95rem; margin: 0; }

.level-tag {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

/* ====== Solution / Verification / Dev Units / Global / Trust two-col layouts ====== */
.solution-grid, .verification-grid, .dev-units-grid, .global-talent-grid, .trust-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}
@media (min-width: 900px) {
  .solution-grid, .dev-units-grid, .trust-grid { grid-template-columns: 1.1fr 1fr; }
  .global-talent-grid { grid-template-columns: 1fr 1.1fr; }
}
.section-solution { background: var(--color-surface); }
.section-verification { background: var(--color-surface); }
.section-trust {
  background: var(--color-surface) url("../images/bg_pattern_subtle.png") no-repeat right -60px top -40px / 460px auto;
}

/* Scroll-reveal: only active once JS confirms it can run, so content stays
   fully visible by default for no-JS visitors. */
html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Verification cards need the full container width to stay readable,
   so the framework image sits above as a compact visual instead of beside the cards. */
.verification-grid { display: block; }
.verification-media {
  max-width: 720px;
  margin: 0 auto 36px;
}
.verification-media img {
  width: 100%;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.thesis-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: var(--color-text);
}
.thesis-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ====== Candidate snapshot table ====== */
.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}
.snapshot-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  background: #fff;
}
.snapshot-table th, .snapshot-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 0.94rem;
  white-space: nowrap;
}
.snapshot-table thead th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}
.snapshot-table tbody tr:nth-child(even) { background: var(--color-surface); }
.snapshot-table tbody td { border-bottom: 1px solid var(--color-border); }

/* ====== How it works steps ====== */
.steps-list {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}
@media (min-width: 900px) {
  .steps-list { grid-template-columns: repeat(5, 1fr); }
}
.steps-list li {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  margin-bottom: 10px;
}
.steps-list h3 { font-size: 1rem; color: var(--color-primary); }
.steps-list p { color: var(--color-muted); font-size: 0.95rem; margin: 0; }
.how-it-works-media {
  margin: 32px auto 0;
  max-width: 720px;
}
.how-it-works-media img {
  width: 100%;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
.section-how-it-works .btn { margin-top: 28px; }

/* ====== FAQ ====== */
.section-faq { background: var(--color-surface); }
.faq-list { display: grid; gap: 12px; margin-top: 24px; }
.faq-list details {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.faq-list summary {
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
}
.faq-list p { margin: 10px 0 0; color: var(--color-muted); }

/* ====== Final CTA / Form ====== */
.section-final-cta { background: var(--color-primary); color: #fff; }
.final-cta-copy h2 { color: #fff; }
.final-cta-copy .section-lead { color: rgba(255,255,255,0.78); }
.form-sla {
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: -0.5em;
}
.cta-alt {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.cta-alt-label { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.final-cta-copy .btn-secondary {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.final-cta-copy .btn-secondary:hover, .final-cta-copy .btn-secondary:focus-visible {
  background: #fff;
  color: var(--color-primary);
}
.final-cta-grid {
  display: grid;
  gap: 36px;
}
@media (min-width: 900px) {
  .final-cta-grid { grid-template-columns: 1fr 1.1fr; align-items: start; }
}
.lead-form {
  display: grid;
  gap: 16px;
  background: #fff;
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
@media (min-width: 600px) {
  .lead-form { grid-template-columns: 1fr 1fr; }
  .form-row-full { grid-column: 1 / -1; }
  .lead-form .btn { grid-column: 1 / -1; justify-self: start; }
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 0.85rem; font-weight: 600; color: var(--color-primary); }
.form-row input, .form-row textarea {
  font: inherit;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
}
.form-row input:focus, .form-row textarea:focus {
  border-color: var(--color-accent);
}
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-errors {
  background: #fff;
  border-left: 4px solid var(--color-accent);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 16px;
  color: var(--color-text);
  font-size: 0.9rem;
}
.form-errors li { margin-bottom: 4px; }
.form-errors li:last-child { margin-bottom: 0; }

.form-success {
  background: #fff;
  color: var(--color-text);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* ====== Legal pages ====== */
.section-legal { padding: 56px 0 80px; }
.legal-page { max-width: 720px; }
.legal-page h1 {
  font-size: clamp(1.8rem, 1.4rem + 1.5vw, 2.6rem);
  color: var(--color-primary);
}
.legal-updated {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 2em;
}
.legal-page h2 {
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-top: 1.8em;
}
.legal-page p { color: var(--color-text); }
.legal-list { margin: 0 0 1em; padding-left: 22px; list-style: disc; }
.legal-list li { margin-bottom: 0.5em; color: var(--color-text); }

/* ====== Footer ====== */
.section-footer { background: var(--color-primary); color: rgba(255,255,255,0.85); padding: 36px 0; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { border-radius: 6px; }
.footer-brand p { margin: 0; font-size: 0.9rem; }
.footer-address { margin-top: 4px !important; font-size: 0.82rem !important; opacity: 0.7; }
.footer-links { display: flex; gap: 18px; font-size: 0.88rem; }
.footer-links a:hover { color: var(--color-accent); }
.footer-copyright { width: 100%; font-size: 0.8rem; opacity: 0.7; margin-top: 8px; }