/* ─────────────────────────────────────────────────────────────
   Greenlife Restoration Initiative — shared design system
   "Earthy editorial": cream paper, evergreen ink, clay accent
   ───────────────────────────────────────────────────────────── */

:root {
  --bg: #f1ebda;
  --bg-2: #e8e0c9;
  --paper: #f6f1e0;
  --ink: #233127;
  --ink-2: #4a5749;
  --muted: #7a7e6b;
  --rule: rgba(35, 49, 39, 0.16);
  --accent: #b35028;
  --accent-2: #c9a14a;
  --accent-soft: #e8dcc4;

  --display: "Instrument Serif", "Source Serif 4", Georgia, serif;
  --body: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1240px;
  --pad: clamp(20px, 4vw, 56px);
  --gap: clamp(40px, 7vw, 96px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── type ─────────────────────────────────────────── */
.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: currentColor;
}
.eyebrow.no-rule::before { display: none; }

.display {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.05;
  color: var(--ink);
  margin: 0;
  padding-bottom: 0.06em; /* room for italic descenders */
}
.display em { font-style: italic; color: var(--accent); }

.h1 { font-size: clamp(54px, 8.2vw, 124px); }
.h2 { font-size: clamp(40px, 5.6vw, 78px); }
.h3 { font-size: clamp(28px, 3.4vw, 44px); }

.lede {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.32;
  color: var(--ink-2);
  max-width: 60ch;
}

p { margin: 0 0 1em; max-width: 64ch; }
p.lg { font-size: 18px; line-height: 1.62; }

/* ── layout primitives ─────────────────────────────── */
.shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.section { padding: var(--gap) 0; }
.section--tight { padding: calc(var(--gap) * 0.55) 0; }

.rule { height: 1px; background: var(--rule); border: 0; margin: 0; }

/* ── nav ─────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--rule);
}
.nav .row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--pad);
  max-width: var(--maxw); margin: 0 auto;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--display); font-size: 22px; letter-spacing: -0.01em;
}
.brand-logo {
  width: 42px; height: 42px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  display: block;
}
.foot .brand-logo {
  box-shadow: 0 0 0 2px rgba(255,255,255,0.15);
}
.brand small {
  display: block; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase;
  margin-top: 1px;
}
.nav-links {
  display: flex; gap: 28px; align-items: center;
  font-size: 14.5px;
}
.nav-links a {
  position: relative; padding: 4px 0; color: var(--ink-2);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent);
}

/* ── buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  font-family: var(--body); font-size: 14.5px; font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--accent); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--accent { background: var(--accent); color: var(--paper); }
.btn .arr {
  display: inline-block; width: 14px; height: 1px;
  background: currentColor; position: relative;
}
.btn .arr::after {
  content: ""; position: absolute; right: -1px; top: -3px;
  width: 6px; height: 6px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}

/* ── placeholders for imagery ──────────────────────── */
.ph {
  position: relative;
  background:
    repeating-linear-gradient(135deg,
      color-mix(in oklab, var(--accent-soft) 92%, var(--ink)) 0 8px,
      color-mix(in oklab, var(--accent-soft) 100%, transparent) 8px 16px);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  color: color-mix(in oklab, var(--ink) 80%, var(--accent));
}
.ph::after {
  content: attr(data-label);
  position: absolute; left: 14px; top: 12px;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: color-mix(in oklab, var(--ink) 70%, transparent);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  padding: 4px 8px; border-radius: 3px;
}
.ph.dark {
  background:
    repeating-linear-gradient(135deg,
      color-mix(in oklab, var(--ink) 88%, var(--bg)) 0 8px,
      color-mix(in oklab, var(--ink) 100%, transparent) 8px 16px);
  color: var(--paper);
}
.ph.dark::after { background: rgba(0,0,0,0.4); color: var(--paper); }

/* ── cards ─────────────────────────────────────────── */
.card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 28px;
}

/* ── stat ──────────────────────────────────────────── */
.stat-num {
  font-family: var(--display);
  font-size: clamp(56px, 7vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.stat-num em { font-style: italic; color: var(--accent); }
.stat-num .unit {
  font-family: var(--body); font-style: normal;
  font-size: 0.32em; letter-spacing: 0.04em; color: var(--muted);
  margin-left: 8px; vertical-align: middle;
}
.stat-cap {
  font-family: var(--mono); font-size: 11.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); margin-top: 14px;
}

/* ── footer ───────────────────────────────────────── */
.foot {
  background: var(--ink); color: color-mix(in oklab, var(--paper) 92%, transparent);
  padding: var(--gap) 0 36px;
  margin-top: var(--gap);
}
.foot .display { color: var(--paper); }
.foot a { color: var(--paper); }
.foot .muted { color: color-mix(in oklab, var(--paper) 60%, transparent); }
.foot .eyebrow { color: color-mix(in oklab, var(--paper) 55%, transparent); }
.foot .rule { background: color-mix(in oklab, var(--paper) 18%, transparent); }
.foot .brand-mark { background: var(--paper); }
.foot .btn--ghost { color: var(--paper); border-color: rgba(255,255,255,0.2); }
.foot .btn--ghost:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }

/* ── mobile nav ──────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none; border: none;
  cursor: pointer; padding: 6px;
  color: var(--ink);
  z-index: 101;
  position: relative;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.22s ease, opacity 0.22s ease;
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
    font-size: 20px;
    z-index: 100;
    padding: 0 24px;
  }
  .nav-links.open { display: flex; }
  .nav-links .btn { width: 100%; text-align: center; justify-content: center; font-size: 16px; }
  .nav-links a { font-size: 20px; }
  .nav-links a.active::after { display: none; }
}

/* ── grid utilities ──────────────────────────────── */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── small helpers ───────────────────────────────── */
.tag {
  display: inline-block; padding: 4px 10px;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 12%, transparent);
  border-radius: 999px;
}
.flow > * + * { margin-top: 1em; }
.muted { color: var(--muted); }
.serif { font-family: var(--display); }
.mono { font-family: var(--mono); }
.italic { font-style: italic; }
.center { text-align: center; }