/* NOVAGREEN DIGITAL LTD — site styles */

:root {
  --green-900: #0b3d2e;
  --green-700: #0f5c3f;
  --green-600: #14804f;
  --green-100: #e6f3ec;
  --ink: #1b2420;
  --ink-soft: #4b564f;
  --paper: #ffffff;
  --paper-alt: #f5f8f6;
  --border: #e1e8e3;
  --radius: 10px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

a {
  color: var(--green-700);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

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

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

/* Header / nav */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--green-600), var(--green-900));
  flex-shrink: 0;
}

nav.primary-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

nav.primary-nav a {
  color: var(--ink-soft);
  font-weight: 500;
}

nav.primary-nav a:hover {
  color: var(--green-700);
}

/* Hero */

.hero {
  padding: 72px 0 56px;
  background: linear-gradient(180deg, var(--green-100) 0%, var(--paper) 100%);
}

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  margin: 0 0 16px;
  line-height: 1.15;
  max-width: 20ch;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 28px;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  background: var(--green-700);
  color: #fff;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover,
.btn:focus-visible {
  background: var(--green-900);
  text-decoration: none;
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--green-700);
  border: 1.5px solid var(--green-700);
}

.btn-secondary:hover {
  background: var(--green-100);
  color: var(--green-900);
}

/* Sections */

section {
  padding: 56px 0;
}

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

h2 {
  font-size: 1.6rem;
  margin: 0 0 8px;
}

.section-lead {
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 32px;
}

/* Cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 800px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.card .card-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--green-100);
  color: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.card p {
  margin: 0;
  color: var(--ink-soft);
}

/* Prose (legal pages) */

.prose {
  max-width: 72ch;
}

.prose h1 {
  font-size: clamp(1.7rem, 3.5vw, 2.2rem);
  margin-bottom: 6px;
}

.prose .updated {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin-bottom: 36px;
}

.prose h2 {
  font-size: 1.25rem;
  margin-top: 40px;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose ul {
  padding-left: 22px;
}

/* FAQ */

.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
  background: var(--paper);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::before {
  content: "+";
  display: inline-block;
  width: 1.2em;
  color: var(--green-700);
  font-weight: 700;
}

.faq details[open] summary::before {
  content: "\2212";
}

.faq p {
  margin: 12px 0 0;
  color: var(--ink-soft);
}

/* Contact card */

.contact-card {
  background: var(--green-900);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

.contact-card h2 {
  color: #fff;
}

.contact-card p {
  color: #d7ebe1;
}

.contact-card .btn {
  background: #fff;
  color: var(--green-900);
  margin-top: 12px;
}

.contact-card .btn:hover {
  background: var(--green-100);
}

/* Footer */

footer.site-footer {
  border-top: 1px solid var(--border);
  background: var(--paper-alt);
  padding: 40px 0;
  margin-top: 40px;
}

footer.site-footer p {
  margin: 0 0 6px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

footer.site-footer .legal-links {
  margin-top: 14px;
  font-size: 0.88rem;
}

footer.site-footer .legal-links a {
  color: var(--ink-soft);
  font-weight: 600;
}

footer.site-footer .legal-links a:hover {
  color: var(--green-700);
}