@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:wght@400;700&family=Inter:wght@400;600;700&display=swap');

:root {
  --color-deep-atlantic: #102A3A;
  --color-foundation-green: #4F7A5B;
  --color-solar-copper: #C8843F;
  --color-limestone: #EAE2D4;
  --color-cloud: #F8F7F2;

  --surface-page: var(--color-cloud);
  --surface-alt: var(--color-limestone);
  --surface-inverse: var(--color-deep-atlantic);
  --surface-card: #FFFFFF;

  --text-primary: var(--color-deep-atlantic);
  --text-secondary: #3E5568;
  --text-inverse: var(--color-cloud);
  --text-accent-on-alt: #95541F;

  --border-subtle: rgba(16, 42, 58, 0.12);
  --border-strong: rgba(16, 42, 58, 0.28);

  --link-color: var(--color-foundation-green);
  --link-color-hover: var(--color-deep-atlantic);

  --font-headline: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', Arial, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(16, 42, 58, 0.08);

  --content-max: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--surface-page);
  color: var(--text-primary);
  min-height: 100vh;
}

a { color: var(--link-color); text-decoration: none; }
a:hover { color: var(--link-color-hover); }

button { font-family: inherit; cursor: pointer; }

img { max-width: 100%; }

.site {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- Nav ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--surface-page);
  border-bottom: 1px solid var(--border-subtle);
}

.site-nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  text-align: left;
}

.brand img { height: 54px; display: block; }

.brand-tagline {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-foundation-green);
  margin-left: 1px;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-link {
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0 0 4px;
  border-bottom: 2px solid transparent;
}

.nav-link[aria-current="page"] {
  color: var(--color-foundation-green);
  border-bottom-color: var(--color-foundation-green);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 36px;
  font-size: 18px;
  color: var(--text-primary);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 8px 24px 20px;
  border-top: 1px solid var(--border-subtle);
}

.mobile-menu.open { display: flex; }

.mobile-menu .nav-link {
  text-align: left;
  font-size: 15px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-menu .nav-link[aria-current="page"] { border-bottom-color: var(--border-subtle); }

@media (max-width: 859px) {
  .site-nav-inner { padding: 14px 20px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */

.hero {
  padding: 72px 24px 40px;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-foundation-green);
  margin-bottom: 16px;
}

.headline {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.15;
  color: var(--text-primary);
  margin: 0;
  text-wrap: pretty;
}

.hero-body {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-top: 20px;
  text-wrap: pretty;
}

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}

.btn {
  border-radius: var(--radius-sm);
  padding: 14px 26px;
  font: 600 15px/1.3 var(--font-body);
  border: 1px solid var(--color-deep-atlantic);
}

.btn-primary { background: var(--color-deep-atlantic); color: var(--text-inverse); }
.btn-secondary { background: transparent; color: var(--text-primary); border-color: var(--border-strong); }
.btn-accent { background: var(--color-solar-copper); color: var(--text-primary); border-color: var(--color-solar-copper); padding: 14px 28px; margin-top: 28px; }
.btn-small { padding: 12px 24px; font-size: 14px; }

.proof-row {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.proof-item {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

@media (max-width: 859px) {
  .hero { padding: 48px 20px 32px; }
  .headline { font-size: 32px; }
  .proof-row { gap: 16px; }
}

/* ---------- Sections ---------- */

.section { padding: 72px 24px; }
.section-inner { max-width: 1080px; margin: 0 auto; }
.section--alt { background: var(--surface-alt); }
.section--navy { background: var(--surface-inverse); color: var(--text-inverse); }

@media (max-width: 859px) {
  .section { padding: 48px 20px; }
}

.text-block { max-width: 720px; margin: 0 auto; text-align: center; }
.text-block .section-headline { font-size: 30px; }
.text-block .section-body { font-size: 17px; line-height: 1.65; color: var(--text-secondary); margin-top: 18px; text-wrap: pretty; }
.section--navy .text-block .section-body { color: var(--text-inverse); }

.section-headline {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 28px;
  color: inherit;
  text-align: center;
  margin: 0 0 36px;
  text-wrap: pretty;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

@media (max-width: 859px) {
  .cards-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.card-title { font-weight: 700; font-size: 17px; color: var(--text-primary); margin: 0; }
.card-body { font-size: 14.5px; line-height: 1.6; color: var(--text-secondary); margin-top: 10px; }
.card-meta { font-size: 13px; line-height: 1.6; color: var(--color-foundation-green); margin-top: 12px; font-weight: 600; }

.section-cta { text-align: center; margin-top: 32px; }

/* Lists */
.list-block { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 22px; }
.list-item { display: flex; gap: 16px; align-items: flex-start; }
.list-num { font-family: var(--font-headline); font-weight: 700; font-size: 20px; color: var(--color-solar-copper); min-width: 32px; flex-shrink: 0; }
.list-title { font-weight: 700; font-size: 16px; color: var(--text-primary); }
.list-body { font-size: 14.5px; line-height: 1.6; color: var(--text-secondary); margin-top: 4px; }

/* Chips */
.chips-block { max-width: 720px; margin: 0 auto; text-align: center; }
.chips-block .section-headline { margin-bottom: 0; }
.chips-block .section-body { font-size: 16px; line-height: 1.6; color: var(--text-secondary); margin-top: 16px; }
.chips-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.chip { background: var(--surface-alt); color: var(--text-primary); font-size: 13px; font-weight: 600; padding: 8px 16px; border-radius: var(--radius-pill); }
.section--alt .chip { background: var(--surface-card); }

/* Closing */
.closing-block { text-align: center; max-width: 680px; margin: 0 auto; }
.closing-block .section-headline { font-size: 30px; margin-bottom: 0; }
.closing-block .closing-body { font-size: 16px; line-height: 1.65; font-weight: 600; margin-top: 16px; color: var(--text-accent-on-alt); }
.section--navy .closing-block .closing-body { color: var(--color-limestone); }

/* Subscribe */
.subscribe-block { text-align: center; max-width: 560px; margin: 0 auto; }
.subscribe-block .section-headline { font-size: 24px; margin-bottom: 0; }
.subscribe-block .section-body { font-size: 15px; color: var(--text-secondary); margin-top: 10px; }
.subscribe-form { display: flex; gap: 10px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.subscribe-form input[type="email"] {
  padding: 12px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  font-size: 14px; min-width: 240px; font-family: inherit;
}
.subscribe-form button {
  background: var(--color-deep-atlantic); color: var(--text-inverse); border: 1px solid var(--color-deep-atlantic);
  border-radius: var(--radius-sm); padding: 12px 22px; font: 600 14px/1.3 var(--font-body);
}
.subscribe-form button:disabled { opacity: 0.6; cursor: default; }

/* Opportunity */
.opportunity-card { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 28px 32px; margin-bottom: 20px; }
.opportunity-header {
  width: 100%; background: none; border: none; padding: 0; margin: 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; text-align: left;
}
.opportunity-title { font-family: var(--font-headline); font-weight: 700; font-size: 22px; color: var(--text-primary); margin: 0; }
.opportunity-marker { color: var(--color-foundation-green); font-size: 20px; font-weight: 700; flex-shrink: 0; }
.opportunity-panel { margin-top: 12px; }
.opportunity-body { font-size: 15px; line-height: 1.7; color: var(--text-secondary); margin: 0; }
.opportunity-list { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.opportunity-list li { display: flex; gap: 8px; align-items: flex-start; font-size: 13.5px; color: var(--text-primary); line-height: 1.5; list-style: none; }
.opportunity-list li::before { content: '·'; color: var(--color-foundation-green); font-weight: 700; }

/* FAQ */
.faq-block { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--border-subtle); border-radius: 10px; background: var(--surface-card); overflow: hidden; }
.faq-question {
  width: 100%; text-align: left; background: none; border: none;
  padding: 18px 20px; font-weight: 600; font-size: 15.5px; color: var(--text-primary);
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-marker { color: var(--color-foundation-green); flex-shrink: 0; }
.faq-answer { padding: 0 20px 20px; font-size: 14.5px; line-height: 1.65; color: var(--text-secondary); }

/* Forms */
.form-card {
  background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  padding: 36px; max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px;
}
.form-card-title { font-family: var(--font-headline); font-weight: 700; font-size: 22px; color: var(--text-primary); margin: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 859px) { .form-grid { grid-template-columns: 1fr; } }

.form-field { display: flex; flex-direction: column; gap: 6px; font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.form-field input, .form-field textarea, .form-field select {
  padding: 10px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  font-size: 14px; font-family: inherit; background: #fff;
}
.form-field textarea { resize: vertical; }
.form-submit {
  align-self: flex-start; background: var(--color-deep-atlantic); color: var(--text-inverse);
  border: 1px solid var(--color-deep-atlantic); border-radius: var(--radius-sm);
  padding: 13px 26px; font: 600 15px/1.3 var(--font-body);
}
.form-submit:disabled { opacity: 0.6; cursor: default; }

.form-error { font-size: 13px; font-weight: 600; color: #B23B3B; margin: 0; }

.thank-you {
  text-align: center; padding: 40px; background: var(--surface-card); border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle); max-width: 560px; margin: 0 auto;
}
.thank-you-title { font-family: var(--font-headline); font-weight: 700; font-size: 22px; color: var(--text-primary); margin: 0; }
.thank-you-body { font-size: 15px; color: var(--text-secondary); margin-top: 10px; }

/* ---------- Footer ---------- */

.site-footer { background: var(--color-deep-atlantic); color: var(--color-limestone); margin-top: auto; }
.site-footer-inner {
  max-width: var(--content-max); margin: 0 auto; padding: 48px 24px 28px;
  display: flex; flex-direction: column; gap: 24px;
}
.footer-top { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { max-width: 420px; }
.footer-brand-name { display: flex; align-items: baseline; gap: 6px; }
.footer-brand-name .impact { font-size: 18px; font-weight: 700; color: var(--color-cloud); }
.footer-brand-name .foundations { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; color: var(--color-limestone); }
.footer-brand-desc { font-size: 13px; line-height: 1.6; color: var(--color-limestone); opacity: 0.8; margin-top: 12px; }

.footer-nav { display: flex; gap: 32px; flex-wrap: wrap; }
.footer-nav-col { display: flex; flex-direction: column; gap: 8px; }
.footer-nav-col button {
  background: none; border: none; text-align: left; font-size: 13px;
  color: var(--color-limestone); opacity: 0.85; padding: 0;
}
.footer-nav-col button:hover { opacity: 1; }

.footer-bottom { border-top: 1px solid rgba(248, 247, 242, 0.15); padding-top: 20px; font-size: 12px; color: var(--color-limestone); opacity: 0.6; }
