/* ==========================================================================
   C4AT Home — Variant 2 (single CTA + double card)
   Palette: warm cream / deep teal-green / terracotta
   ========================================================================== */

:root {
  --bg: #FAF6EF;
  --surface: #FFFFFF;
  --tint: #EFE7D8;
  --ink: #262019;
  --muted: #574E42;
  --brand: #15594E;
  --brand-deep: #0F4239;
  --accent: #A63D1F;
  --focus: #8A2E0F;
  --border: #D9CDB8;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 1100px;
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.6; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 0.5em; font-weight: 600; }
h1 { font-size: clamp(2.4rem, 5.5vw, 3.6rem); margin-bottom: 0.4em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.45rem; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.25rem; }
a { color: var(--brand); }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 1.25rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; clip-path: inset(50%); overflow: hidden; white-space: nowrap; }

.skip-link { position: absolute; top: -100%; left: 1rem; z-index: 100; background: var(--brand-deep); color: #FFFFFF; padding: 0.75rem 1.25rem; border-radius: 0 0 8px 8px; text-decoration: none; font-weight: 600; }
.skip-link:focus { top: 0; }

.btn { display: inline-block; padding: 0.85rem 1.75rem; min-height: 48px; border-radius: 999px; font-weight: 600; font-size: 1.05rem; text-decoration: none; border: 2px solid transparent; transition: background-color 120ms ease, color 120ms ease; }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }
.btn-primary { background: var(--brand); color: #FFFFFF; }
.btn-primary:hover { background: var(--brand-deep); color: #FFFFFF; }
.btn-secondary { background: transparent; color: var(--brand); border-color: var(--brand); }
.btn-secondary:hover { background: var(--brand); color: #FFFFFF; }
.btn-light { background: #FFFFFF; color: var(--brand-deep); }
.btn-light:hover { background: var(--tint); color: var(--brand-deep); }
.btn-outline-light { background: transparent; color: #FFFFFF; border-color: #FFFFFF; }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.14); color: #FFFFFF; }
.text-link { display: inline-block; font-weight: 600; color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.text-link:hover { color: var(--accent); }
.text-link-light { color: #FFFFFF; }
.text-link-light:hover { color: var(--tint); }

.site-header { background: var(--bg); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; gap: 1.5rem; padding-block: 0.9rem; }
.brand { display: inline-flex; align-items: baseline; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; letter-spacing: -0.01em; }
.brand-mark { color: var(--brand); }
.brand-name { margin-left: 0.15rem; }
.site-nav { margin-left: auto; }
.nav-toggle { display: none; }
.nav-list { display: flex; gap: 1.4rem; list-style: none; margin: 0; padding: 0; }
.nav-list a { color: var(--ink); text-decoration: none; font-weight: 500; padding: 0.4rem 0.1rem; }
.nav-list a:hover { color: var(--brand); text-decoration: underline; text-underline-offset: 4px; }
.header-cta { padding: 0.55rem 1.3rem; min-height: 42px; font-size: 0.98rem; }

.hero { padding-block: clamp(4rem, 9vw, 6.5rem) clamp(3rem, 7vw, 5rem); }
.hero-inner { max-width: 820px; }
.hero-sub { font-size: clamp(1.15rem, 2vw, 1.35rem); color: var(--muted); max-width: 60ch; margin-bottom: 2rem; }
.hero-actions { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }

.proof { background: var(--surface); border-block: 1px solid var(--border); padding-block: 2.75rem; }
.proof-title { font-size: 1.25rem; font-family: var(--font-body); font-weight: 600; text-align: center; margin-bottom: 1.75rem; }
.logo-row { display: flex; justify-content: center; align-items: center; gap: 2.5rem; flex-wrap: wrap; list-style: none; margin: 0 0 2.5rem; padding: 0; }
.logo { font-family: var(--font-display); font-size: 1.25rem; color: var(--muted); white-space: nowrap; }
.logo-sutter { font-weight: 700; letter-spacing: 0.02em; }
.logo-gap { font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; font-size: 1.1rem; }
.logo-audubon { font-style: italic; }
.logo-erc { letter-spacing: 0.06em; text-transform: uppercase; font-size: 1rem; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin: 0; }
.stat dt { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: var(--brand); line-height: 1.1; }
.stat dd { margin: 0.35rem 0 0; color: var(--muted); font-size: 0.98rem; }

.services { padding-block: clamp(3.5rem, 7vw, 5.5rem); }
.section-intro { color: var(--muted); max-width: 62ch; margin-bottom: 2.5rem; }
.panels { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.panel { background: var(--surface); border: 1px solid var(--border); border-top: 6px solid var(--brand); border-radius: var(--radius); padding: 2.25rem; }
.panel-at { border-top-color: var(--accent); }
.eyebrow { font-weight: 700; text-transform: uppercase; letter-spacing: 0.09em; font-size: 0.85rem; color: var(--brand); margin-bottom: 0.4rem; }
.panel-at .eyebrow { color: var(--accent); }
.panel h3 { font-size: 1.8rem; margin-bottom: 0.6rem; }
.panel-lede { color: var(--muted); margin-bottom: 1.25rem; }
.panel-list { list-style: none; margin: 0 0 1.75rem; padding: 0; }
.panel-list li { padding-left: 1.6rem; position: relative; margin-bottom: 0.55rem; }
.panel-list li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--brand); }
.panel-at .panel-list li::before { background: var(--accent); }
.policy-band { margin-top: 1.5rem; background: var(--tint); border-radius: var(--radius); }
.policy-inner { padding: 2.25rem; }
.policy-band h3 { font-size: 1.8rem; margin-bottom: 0.6rem; }
.policy-band p { max-width: 75ch; margin-bottom: 1.25rem; }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.25rem; }
.card-icon { display: inline-flex; align-items: center; justify-content: center; width: 58px; height: 58px; border-radius: 50%; background: var(--tint); color: var(--brand); margin-bottom: 1.25rem; }
.card-at .card-icon { background: #F3E0D2; color: var(--accent); }
.card h3 { font-size: 1.8rem; margin-bottom: 0.6rem; }
.card p { color: var(--muted); margin-bottom: 1.5rem; }

.why { background: var(--surface); border-block: 1px solid var(--border); padding-block: clamp(3.5rem, 7vw, 5.5rem); }
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem 3rem; list-style: none; margin: 0; padding: 0; }
.why-item h3 { margin-bottom: 0.4rem; }
.why-item p { color: var(--muted); margin: 0; }

.cta-band { background: var(--brand-deep); color: #FFFFFF; }
.cta-inner { text-align: center; padding-block: clamp(3.5rem, 7vw, 5rem); }
.cta-inner h2 { color: #FFFFFF; }
.cta-sub { color: var(--tint); max-width: 52ch; margin: 0 auto 2rem; }
.cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

.site-footer { background: var(--ink); color: #E9E2D6; padding-top: 3rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.brand-footer { font-size: 1.9rem; color: #FFFFFF; margin-bottom: 0.75rem; }
.brand-footer .brand-mark { color: #8FD3C4; }
.footer-brand p { font-size: 0.95rem; color: #CFC6B8; }
.footer-ethic { font-family: var(--font-display); font-style: italic; color: #E9E2D6 !important; }
.footer-heading { font-size: 0.85rem; font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.1em; color: #A99E8D; margin-bottom: 0.9rem; }
.footer-list { list-style: none; margin: 0; padding: 0; }
.footer-list li { margin-bottom: 0.5rem; }
.site-footer a { color: #E9E2D6; text-underline-offset: 3px; }
.site-footer a:hover { color: #FFFFFF; }
address { font-style: normal; margin-bottom: 0.75rem; }
.footer-contact p { margin-bottom: 0.4rem; font-size: 0.98rem; }
.footer-bottom { border-top: 1px solid #4A4238; padding-block: 1.25rem; font-size: 0.9rem; color: #A99E8D; }

@media (max-width: 900px) { .panels, .cards, .why-grid { grid-template-columns: 1fr; } .stats { grid-template-columns: repeat(2, 1fr); } .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 800px) {
  .header-inner { gap: 1rem; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; margin-left: auto; min-height: 44px; padding: 0.5rem 1rem; background: none; border: 2px solid var(--brand); border-radius: 8px; color: var(--brand); font-weight: 600; font-size: 1rem; font-family: var(--font-body); }
  .nav-list { display: none; flex-direction: column; gap: 0; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: 0.5rem 1.25rem 1rem; z-index: 50; }
  .site-header { position: relative; }
  .site-nav.open .nav-list { display: flex; }
  .nav-list li { border-bottom: 1px solid var(--border); }
  .nav-list a { display: block; padding: 0.8rem 0.25rem; }
  .header-cta { padding: 0.5rem 1rem; min-height: 40px; font-size: 0.92rem; }
}
@media (max-width: 560px) { .stats { grid-template-columns: 1fr; } .footer-grid { grid-template-columns: 1fr; } .logo-row { gap: 1.5rem; } }