/* ============================================================
   Brian W. Freeman — personal site
   Editorial / photography-forward design system
   ============================================================ */

:root {
  /* paper (light) */
  --paper:        #f6f1e8;
  --paper-2:      #ede5d8;
  --paper-3:      #e4dac8;
  --ink:          #1a1510;
  --ink-2:        #544d42;
  --ink-3:        #8b8172;
  --line:         #dcd1be;
  --line-soft:    #e6dccb;
  --accent:       #b23a2b;
  --accent-soft:  #c94f3d;

  /* dark (ink band) */
  --dark:         #14110c;
  --dark-2:       #1d1913;
  --dark-3:       #26211a;
  --dark-line:    #2f2a21;
  --dark-ink:     #f0e9db;
  --dark-muted:   #a99d88;
  --dark-faint:   #6f6758;

  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans:  "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono:  ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;

  --radius: 6px;
  --radius-sm: 3px;
  --content: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --shadow: 0 1px 2px rgba(26,21,16,.06), 0 8px 24px -12px rgba(26,21,16,.18);
  --shadow-lg: 0 2px 4px rgba(26,21,16,.08), 0 24px 60px -24px rgba(26,21,16,.35);
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }

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

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

::selection { background: var(--accent); color: #fff; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

h1,h2,h3,h4 { font-family: var(--serif); font-weight: 560; line-height: 1.08; margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); font-weight: 520; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1.1em; }

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--content); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(3rem, 7vw, 6rem) 0; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  -webkit-backdrop-filter: saturate(1.1);
  backdrop-filter: saturate(1.1);
  border-bottom: 1px solid var(--line-soft);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  font-family: var(--serif); font-size: 1.28rem; font-weight: 600;
  letter-spacing: -.01em; color: var(--ink); text-decoration: none;
  display: inline-flex; align-items: center; gap: .55em;
}
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); display: inline-block; }
.nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2rem); }
.nav a {
  font-family: var(--sans); font-size: .95rem; font-weight: 500;
  color: var(--ink-2); text-decoration: none; letter-spacing: .01em;
  transition: color .15s var(--ease);
}
.nav a:hover { color: var(--accent); }
.nav a.active { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }

/* ---------- hero ---------- */
.hero { padding: clamp(2.5rem, 6vw, 5.5rem) 0 clamp(3rem, 7vw, 6rem); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero .eyebrow { margin-bottom: 1.2rem; }
.hero h1 { margin-bottom: .35em; }
.hero h1 .accent { font-style: italic; font-weight: 460; color: var(--accent); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-2); max-width: 34em; line-height: 1.55; }
.hero-actions { display: flex; gap: 1rem; margin-top: 1.8rem; flex-wrap: wrap; }

.hero-photos { position: relative; min-height: 420px; }
.hero-photos figure { margin: 0; position: absolute; box-shadow: var(--shadow-lg); border-radius: var(--radius); overflow: hidden; background: var(--paper-2); }
.hero-photos figure img { width: 100%; height: 100%; object-fit: cover; }
.hero-photos .p1 { width: 62%; left: 0; top: 0; aspect-ratio: 4/5; transform: rotate(-2.5deg); }
.hero-photos .p2 { width: 52%; right: 0; top: 14%; aspect-ratio: 3/4; transform: rotate(2deg); }
.hero-photos .p3 { width: 46%; left: 12%; bottom: -4%; aspect-ratio: 3/2; transform: rotate(-1deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--sans); font-size: .95rem; font-weight: 600;
  padding: .72rem 1.35rem; border-radius: var(--radius);
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: transform .15s var(--ease), background .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent); color: #fff; transform: translateY(-1px); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-1px); }

/* ---------- quote / manifesto ---------- */
.manifesto { background: var(--paper-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.manifesto blockquote {
  margin: 0 auto; max-width: 24em; text-align: center;
  font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.25; font-weight: 500; letter-spacing: -.01em;
}
.manifesto blockquote em { color: var(--accent); font-style: italic; }
.manifesto .sig { text-align: center; font-family: var(--mono); font-size: .78rem; color: var(--ink-3); margin-top: 1.5rem; letter-spacing: .05em; }

/* ---------- lab (dark section) ---------- */
.lab { background: var(--dark); color: var(--dark-ink); }
.lab .eyebrow { color: var(--dark-muted); }
.lab-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.lab-head h2 { color: var(--dark-ink); }
.lab-head .lede { color: var(--dark-muted); }
.lab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1px; background: var(--dark-line); border: 1px solid var(--dark-line); border-radius: var(--radius); overflow: hidden; }
.lab-card {
  background: var(--dark-2); padding: 1.5rem 1.4rem;
  display: flex; flex-direction: column; gap: .5rem; min-height: 150px;
  text-decoration: none; transition: background .2s var(--ease);
}
.lab-card:hover { background: var(--dark-3); }
.lab-card .tag { font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--dark-faint); }
.lab-card .title { font-family: var(--serif); font-size: 1.28rem; font-weight: 560; color: var(--dark-ink); line-height: 1.15; }
.lab-card .desc { font-size: .88rem; color: var(--dark-muted); line-height: 1.5; }
.lab-card .made { margin-top: auto; font-family: var(--mono); font-size: .7rem; color: var(--dark-faint); letter-spacing: .04em; }
.lab-card .made b { color: var(--accent-soft); font-weight: 600; }
.lab-note { margin-top: 1.8rem; font-size: .9rem; color: var(--dark-muted); max-width: 56em; }
.lab-note a { color: var(--dark-ink); }

/* ---------- journal ---------- */
.journal-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.journal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.post-card { text-decoration: none; display: block; }
.post-card .frame { aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius); background: var(--paper-2); margin-bottom: 1rem; box-shadow: var(--shadow); }
.post-card .frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.post-card:hover .frame img { transform: scale(1.04); }
.post-card .meta { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: .35rem; }
.post-card .title { font-family: var(--serif); font-size: 1.45rem; font-weight: 560; color: var(--ink); }
.post-card .excerpt { font-size: .92rem; color: var(--ink-2); margin-top: .4rem; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--paper-2); padding: clamp(2.5rem, 5vw, 4rem) 0 2.5rem; }
.foot-grid { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; margin-bottom: 2rem; }
.foot-col h4 { font-size: 1rem; margin-bottom: .8rem; }
.foot-col a { display: block; color: var(--ink-2); text-decoration: none; font-size: .93rem; padding: .18rem 0; }
.foot-col a:hover { color: var(--accent); }
.foot-brand { font-family: var(--serif); font-size: 1.5rem; font-weight: 600; }
.foot-bottom { border-top: 1px solid var(--line); padding-top: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-family: var(--mono); font-size: .75rem; color: var(--ink-3); letter-spacing: .02em; }

/* ---------- article (about / japan) ---------- */
.article-hero { padding: clamp(3rem, 7vw, 6rem) 0 clamp(2rem, 4vw, 3.5rem); }
.article-hero h1 { max-width: 18em; }
.article-hero .lede { max-width: 40em; }
.article { max-width: 760px; margin: 0 auto; padding: 0 var(--gutter) clamp(4rem, 8vw, 7rem); font-size: 1.05rem; }
.article > p { color: var(--ink); }
.article .lead { font-size: 1.25rem; line-height: 1.55; color: var(--ink-2); }
.article figure { margin: 2.5rem 0; }
.article figcaption { font-family: var(--mono); font-size: .74rem; color: var(--ink-3); margin-top: .6rem; letter-spacing: .04em; }
.article img { border-radius: var(--radius); }
.article h2 { margin-top: 3rem; }
.article .disclosure { background: var(--paper-2); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 1rem 1.25rem; font-size: .88rem; color: var(--ink-2); margin: 1.5rem 0; }
.article a { color: var(--accent); }

/* gear list */
.gear { list-style: none; margin: 3rem 0 0; padding: 0; }
.gear li {
  display: grid; grid-template-columns: 220px 1fr; gap: clamp(1.5rem, 3vw, 2.5rem);
  padding: 2rem 0; border-top: 1px solid var(--line-soft); align-items: start;
}
.gear li:first-child { border-top: 0; }
.gear .gimg { border-radius: var(--radius); overflow: hidden; background: var(--paper-2); box-shadow: var(--shadow); }
.gear .gimg img { width: 100%; height: auto; }
.gear .gnum { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; color: var(--ink-3); text-transform: uppercase; margin-bottom: .4rem; }
.gear .gname { font-family: var(--serif); font-size: 1.35rem; font-weight: 560; margin-bottom: .5rem; }
.gear .gname a { text-decoration: none; color: var(--ink); }
.gear .gname a:hover { color: var(--accent); }
.gear p { font-size: .98rem; color: var(--ink-2); margin: 0; }

/* ---------- blog ---------- */
.post-view { max-width: 900px; margin: 0 auto; }
.post-view .frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); margin-bottom: 2rem; }
.post-view .gallery { display: grid; gap: 1.5rem; margin-top: 2rem; }
.post-view .gallery img { border-radius: var(--radius); box-shadow: var(--shadow); }
.post-view .back { display: inline-flex; align-items: center; gap: .4em; font-family: var(--mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); text-decoration: none; margin-bottom: 2rem; }
.post-view .back:hover { color: var(--accent); }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photos { min-height: 340px; margin-top: 1rem; }
  .journal-grid { grid-template-columns: repeat(2, 1fr); }
  .gear li { grid-template-columns: 150px 1fr; }
}
@media (max-width: 640px) {
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--paper); border-bottom: 1px solid var(--line); padding: .5rem var(--gutter) 1rem; }
  .nav.open { display: flex; }
  .nav a { padding: .7rem 0; }
  .nav-toggle { display: block; }
  .journal-grid { grid-template-columns: 1fr; }
  .gear li { grid-template-columns: 1fr; }
  .hero-photos { min-height: 280px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}