/* Design tokens */
:root {
  --color-primary: #ff4a00;
  --color-navy: #0a2540;
  --color-bg: #ffffff;
  --color-muted: #f3f4f6;
  --color-ink: #0f172a;

  --radius: 0.75rem;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 37, 64, 0.12);
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip-link:focus {
  left: 0;
  top: 0;
  background: var(--color-navy);
  color: #fff;
  padding: .5rem .75rem;
  z-index: 1000;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.brand-name {
  font-weight: 800;
  letter-spacing: .2px;
  color: var(--color-primary);
}
.brand-suffix {
  color: var(--color-navy);
  font-weight: 700;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 40px;
  height: 40px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #fff;
  align-items: center;
  justify-content: center;
}
.nav-toggle-bar {
  width: 18px;
  height: 2px;
  background: var(--color-navy);
}

.site-nav {
  display: none;
}
.site-nav.open {
  display: block;
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: .5rem 0;
  display: grid;
  gap: .5rem;
}
.site-nav a {
  padding: .5rem .75rem;
  border-radius: 8px;
}
.site-nav a:hover {
  background: var(--color-muted);
}

@media (min-width: 800px) {
  .nav-toggle {
    display: none;
  }
  .site-nav {
    display: block;
  }
  .site-nav ul {
    display: flex;
    align-items: center;
    gap: .25rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .65rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  border: 2px solid transparent;
  transition: transform .05s ease, background .2s ease, color .2s ease;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  filter: brightness(0.95);
}
.btn-ghost {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.btn-ghost:hover {
  background: var(--color-muted);
}

/* Hero */
.hero {
  padding: 3.5rem 0 2.5rem;
}
.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  margin: 0 0 .75rem;
  color: var(--color-navy);
}
.subtitle {
  font-size: 1.1rem;
  color: #334155;
  margin: 0 0 1.25rem;
}
.cta-row {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.hero-logo {
  max-width: 340px;
  margin-inline: auto;
  filter: drop-shadow(var(--shadow-sm));
}

.notify {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .5rem;
  max-width: 520px;
  align-items: center;
}
.notify input[type="email"] {
  padding: .7rem .85rem;
  border: 1px solid #d1d5db;
  border-radius: 999px;
}
.notify .error {
  grid-column: 1 / -1;
}
.notify-success {
  grid-column: 1 / -1;
  color: #05603a;
  font-weight: 600;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.15fr 1fr;
  }
  .hero {
    padding: 5rem 0 3rem;
  }
}

/* Sections */
.section {
  padding: 3rem 0;
}
.section.alt {
  background: var(--color-muted);
}
.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-navy);
  margin: 0 0 .5rem;
}
.section-lead {
  color: #475569;
  margin: 0 0 1.5rem;
}
.section-body {
  color: #334155;
}

/* Cards */
.cards {
  display: grid;
  gap: 1rem;
}
.card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}
.card-icon {
  color: var(--color-primary);
  display: inline-flex;
  padding: .5rem;
  background: #fff5f0;
  border-radius: 10px;
}
.card-title {
  margin: .75rem 0 .25rem;
  font-size: 1.125rem;
  color: var(--color-navy);
}
.card-text {
  margin: 0;
  color: #475569;
}

.categories-grid {
  display: grid;
  gap: 1rem;
}
.cat {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .75rem;
}
.cat-icon {
  font-size: 1.5rem;
}
.cat h3 {
  margin: 0;
  color: var(--color-navy);
  font-size: 1.05rem;
}
.badge {
  background: #fff5f0;
  color: var(--color-primary);
  padding: .25rem .5rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
}
@media (min-width: 768px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* About */
.about-grid {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}
.about-card {
  background: linear-gradient(180deg, #fff, #f9fafb);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}
.about-card-badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  color: var(--color-navy);
  background: #e6eef6;
  padding: .25rem .5rem;
  border-radius: 999px;
  margin-bottom: .5rem;
}
.list {
  margin: .75rem 0 0 1rem;
  padding: 0;
}
.list li {
  margin: .25rem 0;
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* Form */
.form {
  display: grid;
  gap: 1rem;
  max-width: 680px;
}
.field {
  display: grid;
  gap: .35rem;
}
label {
  font-weight: 700;
  color: var(--color-navy);
}
input,
textarea {
  width: 100%;
  padding: .65rem .75rem;
  border-radius: .5rem;
  border: 1px solid #d1d5db;
  background: #fff;
  font: inherit;
  color: var(--color-ink);
}
input:focus,
textarea:focus {
  outline: 2px solid #cbd5e1;
  outline-offset: 2px;
}
.error {
  color: #b91c1c;
  min-height: 1rem;
}
.form-success {
  margin-top: .25rem;
  color: #05603a;
  font-weight: 600;
}

/* Footer */
.site-footer {
  border-top: 1px solid #e5e7eb;
  background: #fff;
}
.footer-inner {
  padding: 1.25rem 0;
  display: grid;
  gap: .75rem;
  align-items: center;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.footer-nav {
  list-style: none;
  display: flex;
  gap: .75rem;
  padding: 0;
  margin: 0;
}
.footer-nav a {
  padding: .25rem .5rem;
  border-radius: 6px;
}
.footer-nav a:hover {
  background: var(--color-muted);
}
.legal {
  font-size: .9rem;
  color: #475569;
}
@media (min-width: 800px) {
  .footer-inner {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }
  .legal {
    grid-column: 1 / -1;
  }
}

/* Utility for screen-reader-only label in notify form */
.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;
}

/* Founder Section Styles */
.founder {
  display: grid;
}
.founder-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.founder-name {
  margin: .25rem 0 1rem;
  color: var(--color-navy);
}
.founder-meta {
  list-style: none;
  padding: 0;
  margin: .75rem 0 0;
  color: #475569;
}
.founder-meta li {
  margin: .25rem 0;
}