/* ============================================================
   Lake Forest Digital — shared design system
   Brand source: ~/Developer/EDIStudio/docs/branding-tokens.json
   Pine monogram · teal #00878F / #00C5C6 · ink #071418
   ============================================================ */

:root {
  --ink:         #071418;
  --body:        #3A474C;
  --muted:       #66757A;
  --paper:       #F2F6F7;
  --white:       #FFFFFF;
  --teal:        #00878F;
  --teal-dark:   #006A73;
  --teal-bright: #00C5C6;
  --teal-wash:   #E4F2F3;
  --orange:      #FF8C1E;
  --navy-1:      #001F27;
  --navy-2:      #00040A;
  --navy-mid:    #002B36;
  --line:        #E1E5E7;
  --line-soft:   #EBEFF0;
  --on-dark-muted: rgba(255,255,255,0.68);
  --on-dark-faint: rgba(255,255,255,0.42);
  --radius:      14px;
  --radius-sm:   10px;
  --shadow-card: 0 1px 2px rgba(7,20,24,0.04), 0 8px 24px -12px rgba(7,20,24,0.10);
  --shadow-lift: 0 2px 4px rgba(7,20,24,0.05), 0 18px 40px -16px rgba(0,135,143,0.22);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'JetBrains Mono', 'Cascadia Code', Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-dark); }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.15; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem);  font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.35rem); font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: 1.16rem; font-weight: 600; letter-spacing: -0.01em; }
p  { margin: 0 0 1em; }

.wrap   { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.wrap-n { max-width: 980px;  margin: 0 auto; padding: 0 24px; }

section { padding: 92px 0; }
.section-tight { padding: 64px 0; }

.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 14px;
}
.kicker::before {
  content: ""; width: 22px; height: 2px; background: var(--teal-bright);
  border-radius: 2px;
}
.lead { font-size: 1.14rem; color: var(--muted); max-width: 620px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  max-width: 1140px; margin: 0 auto; padding: 0 24px;
  height: 68px; display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand svg { width: 30px; height: 30px; }
.brand-name { font-size: 1.06rem; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap; }
.brand-name span { font-weight: 400; opacity: 0.7; }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a { font-size: 0.92rem; font-weight: 500; color: var(--ink); opacity: 0.78; }
.nav-links a:hover { opacity: 1; color: var(--teal); }
.nav-links .btn { opacity: 1; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle svg { width: 24px; height: 24px; stroke: var(--ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: 999px;
  font-family: var(--font); font-size: 0.95rem; font-weight: 600; line-height: 1;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-lift); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--white); }
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn-on-dark { background: var(--teal-bright); color: #002B30; }
.btn-on-dark:hover { background: #2BD4D5; color: #002B30; transform: translateY(-1px); }
.btn-outline-dark { border-color: rgba(255,255,255,0.35); color: #fff; background: transparent; }
.btn-outline-dark:hover { border-color: var(--teal-bright); color: var(--teal-bright); }
.btn-lg { padding: 16px 32px; font-size: 1.02rem; }
.btn-sm { padding: 10px 18px; font-size: 0.87rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--white); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 30px;
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: #CFE6E8; }
.icon-tile {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--teal-wash); color: var(--teal); margin-bottom: 18px;
}
.icon-tile svg { width: 23px; height: 23px; }

/* ---------- Grids ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ---------- Dark sections ---------- */
.dark {
  background: linear-gradient(160deg, var(--navy-1) 0%, var(--navy-2) 100%);
  color: var(--on-dark-muted);
}
.dark h1, .dark h2, .dark h3 { color: #fff; }
.dark .kicker { color: var(--teal-bright); }
.dark .lead { color: var(--on-dark-muted); }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 0.83rem; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  font-family: var(--font); font-size: 0.95rem; color: var(--ink);
  background: var(--white); border: 1.5px solid var(--line);
  border-radius: var(--radius-sm); padding: 12px 14px; width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,135,143,0.13);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.8rem; color: var(--muted); }
.form-status { display: none; padding: 13px 16px; border-radius: var(--radius-sm); font-size: 0.92rem; font-weight: 500; }
.form-status.ok   { display: block; background: #E7F6EC; color: #17663A; border: 1px solid #BFE6CC; }
.form-status.err  { display: block; background: #FDECEC; color: #9B1C1C; border: 1px solid #F5C6C6; }

/* ---------- Footer ---------- */
.footer {
  background: linear-gradient(160deg, var(--navy-1) 0%, var(--navy-2) 100%);
  color: var(--on-dark-muted); padding: 64px 0 34px;
}
.footer a { color: var(--on-dark-muted); }
.footer a:hover { color: var(--teal-bright); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer h4 {
  color: #fff; font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 0.93rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.09); padding-top: 26px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 0.8rem; color: var(--on-dark-faint);
}

/* ---------- Utility ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 13px; border-radius: 999px; font-size: 0.8rem; font-weight: 600;
  background: var(--teal-wash); color: var(--teal-dark); border: 1px solid #CBE7E9;
}
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  section { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px 0 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 24px; width: 100%; }
  .nav-links .btn { margin: 8px 24px 0; width: auto; }
  .nav-toggle { display: block; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}