:root {
  --color-primary: #0F2D50;
  --color-primary-dark: #0A2038;
  --color-primary-light: #1E4870;
  --color-accent: #0EC5C1;
  --color-accent-dark: #0AA19E;
  --color-gray: #CBD5E1;
  --color-heading: #0F2D50;
  --color-text: #1E2734;
  --color-text-muted: #52606D;
  --color-bg: #ffffff;
  --color-bg-alt: #F6F8FA;
  --color-border: rgba(15, 45, 80, 0.1);
  --max-width: 1160px;
  --radius: 12px;
  --shadow: 0 2px 6px rgba(15, 45, 80, 0.05), 0 8px 28px rgba(15, 45, 80, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

h1, h2, h3, h4 {
  color: var(--color-heading);
  font-weight: 700;
  letter-spacing: -0.01em;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

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

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

section {
  scroll-margin-top: 88px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  height: 46px;
  width: auto;
}

.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a:not(.btn) {
  padding: 10px 14px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  border-radius: 8px;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.main-nav a:not(.btn):hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.nav-cta {
  margin-left: 8px;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-primary);
}

.nav-toggle svg {
  width: 26px;
  height: 26px;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, rgba(15, 45, 80, 0.05) 0%, #ffffff 100%);
  padding: 88px 0 72px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin: 0 0 12px;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent);
  flex: none;
}

.eyebrow-on-dark {
  color: var(--color-accent);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 20px;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin: 0 0 32px;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-note {
  margin: 16px 0 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.hero-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

.hero-card .eyebrow {
  color: var(--color-text-muted);
}

.hero-card .eyebrow::before {
  background: var(--color-gray);
}

.flow-step {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.flow-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.flow-dot {
  flex: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-top: 6px;
}

.flow-step h4 {
  margin: 0 0 2px;
  font-size: 0.98rem;
  color: var(--color-text);
  font-weight: 600;
}

.flow-step span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Generic section heading */
.section-heading {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 48px;
}

.section-heading h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 8px 0 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-pad {
  padding: 80px 0;
}

/* Feature grid */
.grid {
  display: grid;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow);
  border-color: rgba(14, 197, 193, 0.35);
  transform: translateY(-2px);
}

.card .icon {
  width: 40px;
  height: 40px;
  padding: 8px;
  box-sizing: content-box;
  border-radius: 10px;
  background: rgba(15, 45, 80, 0.06);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
}

/* Steps (how it works) */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.step {
  text-align: center;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 auto 16px;
  box-shadow: var(--shadow);
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--color-text-muted);
}

/* Audience */
.audience-card {
  text-align: center;
  padding: 0 12px;
}

.audience-card .icon {
  width: 44px;
  height: 44px;
  padding: 10px;
  box-sizing: content-box;
  border-radius: 12px;
  background: rgba(14, 197, 193, 0.1);
  color: var(--color-accent-dark);
  margin: 0 auto 16px;
}

.audience-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.audience-card p {
  margin: 0;
  color: var(--color-text-muted);
}

/* Final CTA / access request */
.cta-final {
  background: var(--color-primary);
  background-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 88px 0;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.cta-copy h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 16px;
}

.cta-copy p {
  font-size: 1.05rem;
  opacity: 0.85;
  margin: 0 0 20px;
}

.cta-existing {
  font-size: 0.95rem;
  opacity: 0.75;
  margin: 0;
}

.cta-existing a {
  text-decoration: underline;
}

.access-form {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-field input {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(14, 197, 193, 0.18);
}

.access-form-submit {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}

.form-status {
  margin: 14px 0 0;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.form-status.is-success {
  color: var(--color-accent-dark);
}

.form-status.is-error {
  color: #b3261e;
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-gray);
  padding: 48px 0;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.footer-brand img {
  height: 32px;
  width: auto;
}

.footer-brand span {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.site-footer .footer-tagline {
  font-size: 0.9rem;
  color: rgba(203, 213, 225, 0.7);
}

.site-footer .footer-meta {
  text-align: right;
  font-size: 0.9rem;
  color: rgba(203, 213, 225, 0.7);
}

.site-footer a {
  color: var(--color-gray);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .cta-grid {
    grid-template-columns: 1fr;
  }

  .cta-copy {
    text-align: center;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    gap: 4px;
    display: none;
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a:not(.btn) {
    padding: 12px 8px;
  }

  .nav-cta {
    margin: 8px 0 0;
  }

  .nav-toggle {
    display: block;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .site-footer .container {
    flex-direction: column;
    text-align: center;
  }

  .site-footer .footer-meta {
    text-align: center;
  }
}