/* ==========================================================================
   Brand — Landing Page Styles
   ========================================================================== */

:root {
  /* Color palette — blue & white only */
  --ink: #0B1B33;
  --ink-700: #16324F;
  --ink-600: #24435F;
  --ink-500: #3B587A;
  --ink-300: #7C93AE;
  --mist: #F6F7FA;
  --mist-100: #FBFCFD;
  --line: #E4E8EF;
  --white: #FFFFFF;
  --accent: #2F6FED;
  --accent-dark: #1D4ED8;
  --accent-100: #E8EEFE;

  /* Type */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-head: 'Space Grotesk', 'Inter', -apple-system, sans-serif;

  /* Layout */
  --container-w: 1160px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(11, 27, 51, 0.06), 0 1px 1px rgba(11, 27, 51, 0.04);
  --shadow-md: 0 12px 32px -12px rgba(11, 27, 51, 0.18);
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-700);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink);
  margin: 0 0 0.5em;
  line-height: 1.15;
  font-weight: 600;
}

p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
}
.skip-link:focus { left: 16px; top: 16px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink-300);
}
.btn-outline:hover { border-color: var(--ink); background: var(--mist); }

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-light:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

.btn-ghost {
  background: transparent;
  color: var(--ink-700);
  padding: 11px 14px;
}
.btn-ghost:hover { color: var(--ink); }

.btn-ghost-border {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost-border:hover { border-color: var(--ink-300); }

.btn-lg { padding: 14px 26px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.brand-word {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.brand-word-light { color: var(--white); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-500);
}
.main-nav a:hover { color: var(--ink); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-left: 4px;
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
  padding: 96px 0 64px;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #6E9CFF;
  margin-bottom: 18px;
}
.eyebrow-dark { color: var(--accent-dark); }

.hero h1 {
  color: var(--white);
  font-size: clamp(2.1rem, 4.2vw, 3.1rem);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}
.hero-meta strong {
  color: var(--white);
  font-weight: 700;
}

/* ---------- Trust bar ---------- */
.trust-bar {
  background: var(--mist);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}
.trust-label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-500);
  margin-bottom: 16px;
}
.trust-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 32px;
}
.trust-logos li {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink-300);
  letter-spacing: -0.01em;
}

/* ---------- Sections (generic) ---------- */
.section {
  padding: 88px 0;
}
.section-tint { background: var(--mist-100); }

.section-title {
  text-align: center;
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  max-width: 640px;
  margin: 0 auto 14px;
}
.section-sub {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
  color: var(--ink-500);
  font-size: 1.02rem;
}
.align-left { text-align: left; margin-left: 0; margin-right: 0; }

/* ---------- Purpose ---------- */
.purpose-wrap { max-width: 880px; text-align: center; }
.purpose-wrap .eyebrow-dark { display: block; text-align: center; }
.purpose-lead { max-width: 680px; }

.pillar-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 40px;
  text-align: left;
}
.pillar h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
  position: relative;
  padding-left: 18px;
}
.pillar h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.pillar p {
  color: var(--ink-500);
  font-size: 0.92rem;
  margin: 0;
  padding-left: 18px;
}

/* ---------- Feature grid ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--accent-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--ink-500);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- Access cards ---------- */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}
.access-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 34px;
  display: flex;
  flex-direction: column;
}
.access-card-accent {
  background: var(--ink);
  border-color: var(--ink);
  color: rgba(255,255,255,0.85);
}
.access-card-accent h3,
.access-card-accent .access-desc { color: var(--white); }

.access-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-500);
  background: var(--mist);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 16px;
}
.access-tag-accent {
  color: var(--white);
  background: var(--accent);
}

.access-card h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}
.access-desc {
  color: var(--ink-500);
  margin-bottom: 24px;
}
.access-list {
  margin-bottom: 28px;
  flex: 1;
}
.access-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  font-size: 0.95rem;
}
.access-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-100);
  box-shadow: inset 0 0 0 1.5px var(--accent);
}
.access-card-accent .access-list li::before {
  background: rgba(47,111,237,0.2);
  box-shadow: inset 0 0 0 1.5px var(--accent);
}

/* ---------- Sample report ---------- */
.sample-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.checklist { margin: 22px 0 30px; }
.checklist li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 14px;
  color: var(--ink-600);
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-dark);
  font-weight: 700;
}

.sample-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.sample-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: var(--ink);
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 600;
}
.sample-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
}
.sample-card-body { padding: 22px 20px 26px; }

.indicator-row {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.indicator-row:first-child { border-top: none; padding-top: 0; }
.indicator-label { font-size: 0.85rem; color: var(--ink-600); }
.indicator-bar {
  height: 8px;
  background: var(--mist);
  border-radius: 999px;
  overflow: hidden;
}
.indicator-bar span {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}
.indicator-value {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ink);
  text-align: right;
  min-width: 44px;
}

/* ---------- Team ---------- */
.team-wrap { max-width: 760px; }
.team-card {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.team-avatar {
  flex: 0 0 auto;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-100);
  color: var(--accent-dark);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.team-info h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}
.team-title {
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 12px;
}
.team-bio {
  color: var(--ink-500);
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.team-links {
  display: flex;
  gap: 18px;
}
.team-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}
.team-links a:hover { color: var(--accent-dark); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 760px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--accent-dark);
  margin-left: 12px;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  color: var(--ink-500);
  margin: 14px 0 0;
  font-size: 0.95rem;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink);
  color: var(--white);
  padding: 80px 0;
}
.cta-inner { text-align: center; max-width: 560px; margin: 0 auto; }
.cta-inner h2 { color: var(--white); font-size: clamp(1.5rem, 2.4vw, 2rem); }
.cta-inner p { color: rgba(255,255,255,0.68); margin-bottom: 30px; }
.cta-form {
  display: flex;
  gap: 10px;
  max-width: 420px;
  margin: 0 auto;
}
.cta-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.cta-form input::placeholder { color: rgba(255,255,255,0.4); }
.cta-form input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.6);
  padding: 56px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand p {
  margin-top: 14px;
  font-size: 0.9rem;
  max-width: 260px;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 {
  color: var(--white);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.footer-col a { font-size: 0.92rem; }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 20px;
  font-size: 0.8rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .access-grid { grid-template-columns: 1fr; }
  .sample-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr; }
  .pillar-row { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-ghost { display: none; }

  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px;
    gap: 16px;
  }

  .grid-3 { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .cta-form { flex-direction: column; }
  .hero { padding: 64px 0 48px; }
  .team-card { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .footer-cols { grid-template-columns: 1fr; }
  .hero-meta { gap: 16px; }
}