/* ==========================================================================
   robertforrestheld.com — shared styles
   Clean & minimal. Edit the variables below to change the whole site at once.
   ========================================================================== */

:root {
  --ink:        #14161a;   /* main text */
  --ink-soft:   #5b6169;   /* secondary text */
  --line:       #e4e6e9;   /* hairlines / borders */
  --bg:         #ffffff;
  --bg-soft:    #f7f7f5;   /* alternating section background */
  --accent:     #1f5c4a;   /* the single accent color — change this one line */
  --accent-ink: #ffffff;

  --max:        1080px;    /* page width */
  --measure:    68ch;      /* comfortable reading width */
  --radius:     6px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--ink); text-decoration-color: var(--line); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0; }
p  { margin: 0 0 1.1em; }

.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: var(--measure); }
.muted { color: var(--ink-soft); }
.measure { max-width: var(--measure); }

/* ---------- layout ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px); }
section { padding: clamp(56px, 9vw, 96px) 0; border-top: 1px solid var(--line); }
section.alt { background: var(--bg-soft); }
section:first-of-type { border-top: 0; }

.eyebrow {
  font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); margin: 0 0 1.2em;
}

.grid { display: grid; gap: clamp(24px, 4vw, 40px); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 16px 0; }
.brand { font-family: var(--font-serif); font-size: 1.05rem; font-weight: 600; text-decoration: none; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: clamp(14px, 3vw, 28px); list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.nav-links a { font-size: 0.95rem; text-decoration: none; color: var(--ink-soft); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent); }

/* ---------- hero ---------- */
.hero { padding: clamp(72px, 13vw, 140px) 0 clamp(56px, 9vw, 96px); }
.hero h1 { max-width: 16ch; }
.hero .lead { margin-top: 1.2em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: var(--radius);
  background: var(--accent); color: var(--accent-ink);
  text-decoration: none; font-size: 0.95rem; font-weight: 500;
  border: 1px solid var(--accent); transition: opacity .15s ease;
}
.btn:hover { opacity: 0.88; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); opacity: 1; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2em; }

/* ---------- cards ---------- */
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; background: var(--bg);
  transition: border-color .15s ease, transform .15s ease;
}
a.card { text-decoration: none; display: block; }
a.card:hover { border-color: var(--ink); transform: translateY(-2px); }
.card h3 { margin-bottom: 0.35em; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }
.card .tag { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 0.8em; }

/* ---------- list of posts / work ---------- */
.entries { list-style: none; margin: 0; padding: 0; }
.entries li { border-top: 1px solid var(--line); }
.entries li:last-child { border-bottom: 1px solid var(--line); }
.entries a { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; padding: 22px 0; text-decoration: none; }
.entries a:hover .entry-title { text-decoration: underline; text-decoration-color: var(--accent); }
.entry-title { font-weight: 500; }
.entry-meta { color: var(--ink-soft); font-size: 0.85rem; white-space: nowrap; }
.entries .entry-desc { color: var(--ink-soft); font-size: 0.93rem; margin: 4px 0 0; }

/* ---------- article ---------- */
.article { max-width: var(--measure); margin: 0 auto; padding: clamp(48px, 8vw, 88px) 0; }
.article h2 { margin-top: 1.8em; }
.article blockquote {
  margin: 1.8em 0; padding-left: 20px; border-left: 2px solid var(--accent);
  font-family: var(--font-serif); font-size: 1.15rem; color: var(--ink-soft);
}
.article img { border-radius: var(--radius); margin: 2em 0; }

/* ---------- form ---------- */
form { max-width: 520px; }
label { display: block; font-size: 0.85rem; letter-spacing: 0.04em; margin: 0 0 6px; color: var(--ink-soft); }
input, textarea {
  width: 100%; padding: 12px 14px; margin-bottom: 18px;
  font: inherit; font-size: 0.97rem; color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg);
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
textarea { min-height: 150px; resize: vertical; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 44px 0; font-size: 0.9rem; color: var(--ink-soft); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.footer-links { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; }
.footer-links a { text-decoration: none; color: var(--ink-soft); }
.footer-links a:hover { color: var(--ink); }

/* ---------- misc ---------- */
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--bg); padding: 10px 14px; z-index: 50; border-radius: var(--radius); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}