:root {
  --moss-950: #142820;
  --moss-900: #1a3c34;
  --moss-800: #245044;
  --sage-600: #5a8f7b;
  --sage-400: #8fb8a3;
  --cream-50: #f7f5f0;
  --cream-100: #efeae1;
  --gold-500: #c9a227;
  --gold-300: #e8d48b;
  --white: #ffffff;
  --text: #1e2d28;
  --muted: #5c6f66;
  --nav-width: 17.5rem;
  --header-h: 3.5rem;
  --radius: 0.75rem;
  --shadow: 0 8px 32px rgba(20, 40, 32, 0.1);
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--cream-50);
  background-image: radial-gradient(ellipse at 100% 0%, rgba(143, 184, 163, 0.15), transparent 50%),
    radial-gradient(ellipse at 0% 100%, rgba(201, 162, 39, 0.08), transparent 45%);
}

/* Brand: Le Pur in Comfortaa Regular (see Plans/Rules.md) */
.le-pur {
  font-family: "Comfortaa", system-ui, sans-serif;
  font-weight: 400;
}

a { color: var(--moss-800); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--sage-600); }

.skip-link {
  position: absolute; top: -100%; left: 0; z-index: 9999;
  padding: 0.75rem 1.25rem; background: var(--moss-900); color: var(--white);
}
.skip-link:focus { top: 0; }

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1rem;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cream-100);
}

.logo {
  font-size: 1.15rem; color: var(--moss-900);
  letter-spacing: -0.01em; text-decoration: none;
}
.logo .le-pur { color: var(--moss-900); }
.logo .le-pur .pur-accent { color: var(--gold-500); }

.menu-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 2.5rem; height: 2.5rem; padding: 0.5rem;
  border: none; background: var(--moss-800); border-radius: var(--radius); cursor: pointer;
}
.menu-toggle span {
  display: block; height: 2px; background: var(--white); border-radius: 2px;
  transition: var(--transition);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.sidebar {
  position: fixed; top: 0; left: 0; z-index: 300;
  width: min(88vw, var(--nav-width)); height: 100dvh;
  padding: calc(var(--header-h) + 1rem) 1.25rem 2rem;
  background: linear-gradient(175deg, var(--moss-950), var(--moss-900) 50%, var(--moss-800));
  color: var(--cream-100);
  transform: translateX(-100%);
  transition: transform var(--transition);
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.sidebar.is-open { transform: translateX(0); }

.sidebar-overlay {
  position: fixed; inset: 0; z-index: 250;
  background: rgba(20, 40, 32, 0.55);
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.sidebar-overlay.is-visible { opacity: 1; visibility: visible; }

.nav-label {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--gold-300); margin-bottom: 0.75rem;
}

.sidebar-nav { list-style: none; }
.sidebar-nav li { margin-bottom: 0.2rem; }
.sidebar-nav a {
  display: block; padding: 0.6rem 0.85rem; color: var(--cream-100);
  text-decoration: none; border-radius: var(--radius);
  font-weight: 500; font-size: 0.92rem;
  transition: background var(--transition);
}
.sidebar-nav a:hover, .sidebar-nav a:focus-visible {
  background: rgba(201, 162, 39, 0.18); color: var(--white); outline: none;
}

.nav-cta {
  margin-top: 1.5rem; padding-top: 1.25rem;
  border-top: 1px solid rgba(232, 212, 139, 0.25);
}
.nav-cta a {
  display: block; text-align: center; padding: 0.75rem 1rem;
  background: var(--gold-500); color: var(--moss-950);
  font-weight: 700; border-radius: var(--radius); text-decoration: none;
}
.nav-cta a:hover { background: var(--gold-300); }

.main-wrap { padding-top: var(--header-h); min-height: 100vh; }
main { max-width: 50rem; margin: 0 auto; padding: 1.25rem 1rem 3rem; }

.announcement {
  text-align: center; font-size: 0.78rem; font-weight: 600;
  color: var(--moss-800); background: var(--white);
  border: 1px solid var(--sage-400);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem; margin-bottom: 1.25rem;
}

.hero { text-align: center; padding: 1.75rem 0 2.25rem; }

.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.09em;
  color: var(--moss-900); background: var(--white);
  border: 1px solid var(--gold-500);
  padding: 0.35rem 0.9rem; border-radius: 999px; margin-bottom: 1rem;
}

h1 {
  font-size: clamp(1.85rem, 6vw, 2.85rem);
  line-height: 1.12; color: var(--moss-950);
  font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1rem;
}
h1 em { font-style: normal; color: var(--sage-600); display: block; font-weight: 700; }

.hero-lead {
  font-size: 1.08rem; color: var(--muted);
  max-width: 40ch; margin: 0 auto 1.35rem;
}

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.45rem; font-weight: 700; font-size: 0.95rem;
  border-radius: var(--radius); text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background var(--transition);
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--moss-800); color: var(--white); }
.btn-primary:hover { background: var(--moss-900); color: var(--white); }
.btn-outline {
  background: var(--white); color: var(--moss-800);
  border-color: var(--gold-500);
}
.btn-outline:hover { background: var(--cream-100); }

.trust-row {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem; margin: 1.75rem 0;
}
.trust-item {
  text-align: center; padding: 1rem 0.6rem;
  background: var(--white); border-radius: var(--radius);
  border: 1px solid var(--cream-100); box-shadow: var(--shadow);
}
.trust-item strong { display: block; font-size: 0.84rem; color: var(--moss-900); }
.trust-item span { font-size: 0.74rem; color: var(--muted); }

.stat-banner {
  text-align: center; padding: 2rem 1rem;
  background: linear-gradient(135deg, var(--moss-900), var(--moss-800));
  color: var(--white); border-radius: calc(var(--radius) + 0.25rem);
  margin-bottom: 2rem;
  border: 2px solid var(--gold-500);
}
.stat-banner .year {
  font-size: clamp(3rem, 12vw, 4.5rem);
  font-weight: 900; line-height: 1; color: var(--gold-300);
}
.stat-banner p { color: var(--cream-100); margin: 0.35rem 0 0; }

section {
  margin-bottom: 2rem; padding: 1.65rem 1.25rem;
  background: var(--white); border-radius: calc(var(--radius) + 0.2rem);
  border: 1px solid var(--cream-100); box-shadow: var(--shadow);
}

h2 {
  font-size: clamp(1.3rem, 4vw, 1.7rem);
  color: var(--moss-900); margin-bottom: 0.65rem;
  letter-spacing: -0.02em;
}
h3 { font-size: 1.05rem; color: var(--moss-800); margin: 1.1rem 0 0.45rem; }
p { margin-bottom: 0.9rem; }
p:last-child { margin-bottom: 0; }

.concern-grid {
  display: grid; gap: 0.75rem;
  grid-template-columns: 1fr;
  list-style: none;
}
.concern-grid li {
  padding: 1rem; background: var(--cream-50);
  border-radius: var(--radius);
  border-left: 4px solid var(--gold-500);
}
.concern-grid strong { color: var(--moss-900); }

.founder-card {
  display: flex; flex-direction: column; gap: 1rem; align-items: flex-start;
}
.founder-avatar {
  width: 5.5rem; height: 5.5rem; border-radius: 50%;
  background: linear-gradient(145deg, var(--gold-500), var(--moss-800));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 800; color: var(--white);
  border: 3px solid var(--gold-300);
}
.founder-meta cite {
  display: block; font-style: normal; font-weight: 700;
  font-size: 1.2rem; color: var(--moss-900);
}
.founder-meta span { font-size: 0.9rem; color: var(--sage-600); }

.quote {
  font-size: 1.05rem; font-style: italic; color: var(--moss-800);
  border-left: 4px solid var(--gold-500);
  padding: 0.75rem 0 0.75rem 1.15rem;
  margin: 1rem 0; background: var(--cream-50);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.pillars { list-style: none; display: grid; gap: 0.65rem; }
.pillars li {
  padding: 0.9rem 1rem; background: var(--cream-50);
  border-radius: var(--radius);
}
.pillars strong { color: var(--moss-900); }

.newsletter {
  background: var(--moss-900); color: var(--cream-100); border: none;
}
.newsletter h2 { color: var(--gold-300); }
.newsletter p { color: var(--sage-400); }
.newsletter-form {
  display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem;
}
.newsletter-form input {
  padding: 0.85rem 1rem; border: 2px solid var(--sage-600);
  border-radius: var(--radius); font-size: 1rem;
  background: var(--moss-950); color: var(--white);
}
.newsletter-form button {
  padding: 0.85rem; background: var(--gold-500); color: var(--moss-950);
  font-weight: 700; border: none; border-radius: var(--radius);
  cursor: pointer; font-size: 1rem;
}
.newsletter-form button:hover { background: var(--gold-300); }
.newsletter small { font-size: 0.74rem; opacity: 0.9; }

footer {
  text-align: center; padding: 2rem 1rem;
  font-size: 0.84rem; color: var(--muted);
  border-top: 1px solid var(--cream-100);
}
footer a { font-weight: 600; }

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

@media (min-width: 48rem) {
  .trust-row, .concern-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 64rem) {
  .menu-toggle, .sidebar-overlay { display: none; }
  body:not(.portal-layout) .sidebar { transform: translateX(0); width: var(--nav-width); padding-top: 2rem; }
  body:not(.portal-layout) .site-header { left: var(--nav-width); width: calc(100% - var(--nav-width)); }
  body:not(.portal-layout) .main-wrap { margin-left: var(--nav-width); }
  main { padding: 2rem 2.5rem 4rem; }
  .trust-row { grid-template-columns: repeat(4, 1fr); }
  .concern-grid { grid-template-columns: repeat(2, 1fr); }
  .founder-card { flex-direction: row; align-items: center; }
  .newsletter-form { flex-direction: row; }
  .newsletter-form input { flex: 1; }
  .newsletter-form button { padding-left: 2rem; padding-right: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sidebar, .sidebar-overlay, .menu-toggle span { transition: none; }
}