/* ============================================================
   dawn PORTFOLIO — shared page chrome
   Built on the dawn design system (styles.css tokens).
   Follows the Portfolio Style Guide: one roof, per-project
   accent, editorial pacing, morning-fog motion.
   ============================================================ */

/* ---- per-project accent themes (set on <body> or a card) ---- */
.acc-gold  { --pa: var(--dawn-gold-deep); --pa-bright: var(--dawn-gold);
             --pa-soft: oklch(0.74 0.12 70 / 0.12); --pa-line: oklch(0.74 0.12 70 / 0.34);
             --pa-wash: oklch(0.74 0.12 70 / 0.06); }
.acc-sky   { --pa: var(--dawn-sky-deep); --pa-bright: var(--dawn-sky);
             --pa-soft: oklch(0.74 0.09 240 / 0.13); --pa-line: oklch(0.74 0.09 240 / 0.34);
             --pa-wash: oklch(0.74 0.09 240 / 0.06); }
.acc-rose  { --pa: var(--dawn-wine); --pa-bright: var(--dawn-rose);
             --pa-soft: oklch(0.62 0.14 8 / 0.10); --pa-line: oklch(0.62 0.14 8 / 0.30);
             --pa-wash: oklch(0.62 0.14 8 / 0.05); }
.acc-night { --pa: oklch(0.30 0.045 315); --pa-bright: oklch(0.48 0.08 305);
             --pa-soft: oklch(0.30 0.05 315 / 0.10); --pa-line: oklch(0.30 0.05 315 / 0.30);
             --pa-wash: oklch(0.30 0.05 315 / 0.05); }

body.pf { background: var(--paper); }

.pf-shell { max-width: 1140px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 56px); }

/* ---------------------------------------------------------- nav */
.pf-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 56px);
  background: oklch(0.972 0.012 82 / 0.82);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.pf-nav a { text-decoration: none; }
.pf-nav .brand { font-family: var(--font-display); font-size: 1.4rem; color: var(--ink); letter-spacing: -0.01em; }
.pf-nav .brand .grad {
  background: var(--dawn-gradient); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.pf-nav .nav-right { display: flex; align-items: center; gap: clamp(14px, 2.5vw, 28px);
  font-family: var(--font-sans); font-size: 14px; color: var(--ink-soft); }
.pf-nav .nav-right a { color: inherit; transition: color var(--dur-fast) var(--ease-dawn); }
.pf-nav .nav-right a:hover { color: var(--ink); }
.pf-nav .nav-name { color: var(--ink); font-weight: 500; }

/* ---------------------------------------------------------- eyebrow */
.pf-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.22em; color: var(--ink-soft);
}
.pf-eyebrow.on-accent { color: var(--pa); }
.pf-eyebrow .tick { width: 26px; height: 1px; background: currentColor; opacity: 0.55; }

/* ---------------------------------------------------------- hero */
.pf-hero { padding: clamp(56px, 12vh, 128px) 0 clamp(40px, 8vh, 88px); }
.pf-hero h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.8rem, 7vw, 5.4rem); line-height: 1.02; letter-spacing: -0.01em;
  color: var(--ink); margin: 22px 0 0; max-width: 18ch; text-wrap: balance;
}
.pf-hero h1 .grad {
  background: var(--dawn-gradient); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.pf-hero .lede {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(1.15rem, 2.1vw, 1.45rem); color: var(--ink-soft);
  line-height: 1.5; max-width: 40ch; margin: 26px 0 0;
}
.pf-hero .meta-row {
  display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center;
  margin-top: 34px; font-family: var(--font-sans); font-size: 13.5px; color: var(--ink-faint);
}
.pf-hero .meta-row .k { color: var(--ink-soft); }
.pf-hero .meta-row .sep { width: 4px; height: 4px; border-radius: 50%; background: var(--line-strong); }

/* ---------------------------------------------------------- project grid */
.pf-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(18px, 2.4vw, 26px);
  padding-bottom: clamp(48px, 9vh, 104px);
}
@media (max-width: 760px) { .pf-grid { grid-template-columns: 1fr; } }

.pf-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--surface-card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); text-decoration: none; color: inherit;
  transition: box-shadow var(--dur-base) var(--ease-dawn),
              transform var(--dur-base) var(--ease-dawn),
              border-color var(--dur-base) var(--ease-dawn);
}
.pf-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--pa-line); }
.pf-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--pa-bright), var(--pa));
  opacity: 0.9;
}

/* visual band at the top of each card */
.pf-card-vis {
  height: 168px; position: relative; overflow: hidden;
  background:
    radial-gradient(120% 140% at 15% -20%, var(--pa-wash), transparent 60%),
    var(--paper-warm);
  border-bottom: 1px solid var(--line-soft);
  display: flex; align-items: center; justify-content: center;
}

.pf-card-body { padding: clamp(20px, 2.4vw, 28px); display: flex; flex-direction: column; flex: 1; }
.pf-card .row1 { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.pf-card .kicker { font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.16em; color: var(--pa); }
.pf-card h2 { font-family: var(--font-serif); font-weight: 400; font-size: 1.7rem;
  letter-spacing: -0.015em; color: var(--ink); line-height: 1.1; margin: 0; }
.pf-card .hook { font-family: var(--font-serif); font-size: 1.08rem; color: var(--ink-soft);
  line-height: 1.5; margin: 9px 0 0; }
.pf-card .chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.pf-card .cta { display: inline-flex; align-items: center; gap: 7px; margin-top: auto; padding-top: 20px;
  font-family: var(--font-sans); font-size: 14px; font-weight: 500; color: var(--pa); }
.pf-card .cta .arrow { transition: transform var(--dur-base) var(--ease-dawn); }
.pf-card:hover .cta .arrow { transform: translateX(3px); }

/* ---- chips & badges ---- */
.chip {
  font-family: var(--font-sans); font-size: 12px; font-weight: 500; line-height: 1;
  padding: 6px 10px; border-radius: var(--radius-full);
  background: var(--pa-soft); color: var(--pa);
}
.chip.plain { background: var(--paper-sunk); color: var(--ink-soft); }
.status {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-sans); font-size: 11.5px; font-weight: 500;
  padding: 5px 10px; border-radius: var(--radius-full);
  background: var(--pa-soft); color: var(--pa); white-space: nowrap;
}
.status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--pa-bright); }
.status.live .dot { animation: pfPulse 2.4s var(--ease-inout) infinite; }
@keyframes pfPulse {
  0% { box-shadow: 0 0 0 0 var(--pa-line); }
  70% { box-shadow: 0 0 0 6px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---------------------------------------------------------- footer */
.pf-foot {
  border-top: 1px solid var(--line); padding: clamp(40px, 8vh, 80px) 0 48px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-family: var(--font-sans); font-size: 13px; color: var(--ink-faint);
}
.pf-foot .grad { font-family: var(--font-display); font-size: 1.1rem;
  background: var(--dawn-gradient); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; }
.pf-foot a { color: var(--accent-ink); text-decoration: none; }

/* ---------------------------------------------------------- detail pages */
.pf-back { display: inline-flex; align-items: center; gap: 7px; margin: 26px 0 0;
  font-family: var(--font-sans); font-size: 14px; color: var(--ink-soft); text-decoration: none;
  transition: color var(--dur-fast) var(--ease-dawn); }
.pf-back:hover { color: var(--pa); }

.pf-detail-hero { padding: clamp(28px, 5vh, 56px) 0 clamp(28px, 5vh, 48px); }
.pf-detail-hero h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 4.6rem); line-height: 1.02; letter-spacing: -0.01em;
  color: var(--ink); margin: 20px 0 0; text-wrap: balance;
}
.pf-detail-hero .standfirst {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(1.2rem, 2.3vw, 1.55rem); color: var(--ink-soft);
  line-height: 1.5; max-width: 46ch; margin: 22px 0 0;
}
.pf-detail-hero .meta {
  display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; margin-top: 28px;
  font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-faint);
}
.pf-detail-hero .meta b { color: var(--ink-soft); font-weight: 500; }

.pf-section { padding: clamp(36px, 7vh, 80px) 0; border-top: 1px solid var(--line); }
.pf-section .kick { font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.18em; color: var(--pa); margin-bottom: 14px; }
.pf-section h2 { font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -0.015em; color: var(--ink);
  line-height: 1.14; margin: 0 0 10px; text-wrap: balance; }
.pf-section p.lead { font-family: var(--font-serif); font-size: 1.16rem; color: var(--ink);
  line-height: 1.6; max-width: 60ch; }
.pf-section p.muted { color: var(--ink-soft); }

/* capability rows (from the style guide anatomy) */
.pf-caps { margin-top: 30px; }
.pf-cap { display: grid; grid-template-columns: 3rem 1fr; gap: 20px; padding: 22px 0;
  border-top: 1px solid var(--line); }
.pf-cap:last-child { border-bottom: 1px solid var(--line); }
.pf-cap .no { font-family: var(--font-display); font-size: 1.5rem; color: var(--pa); line-height: 1; }
.pf-cap h3 { font-family: var(--font-serif); font-weight: 500; font-size: 1.2rem; color: var(--ink); margin: 0 0 5px; }
.pf-cap p { font-family: var(--font-serif); font-size: 1.04rem; color: var(--ink-soft); line-height: 1.5; max-width: 46ch; }

/* soft panel */
.pf-panel { background: var(--paper-warm); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(20px, 3vw, 32px); }
.pf-panel.sunk { background: var(--paper-sunk); box-shadow: var(--shadow-inset); }

/* pill button */
.pf-btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-sans); font-size: 15px; font-weight: 500; text-decoration: none;
  padding: 12px 22px; border-radius: var(--radius-md); cursor: pointer; border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease-dawn), transform var(--dur-fast) var(--ease-dawn), border-color var(--dur-fast) var(--ease-dawn);
}
.pf-btn-primary { background: var(--pa); color: var(--paper-raised); }
.pf-btn-primary:hover { transform: translateY(-1px); filter: saturate(1.05) brightness(0.97); }
.pf-btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.pf-btn-ghost:hover { border-color: var(--pa); color: var(--pa); }

/* code block */
.pf-code { font-family: var(--font-mono); font-size: 13px; line-height: 1.7; color: var(--ink);
  background: var(--paper-sunk); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 16px 18px; overflow-x: auto; }
.pf-code .c { color: var(--ink-faint); }
.pf-code .g { color: var(--pa); }

/* two-up */
.pf-two { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 40px); align-items: start; }
@media (max-width: 760px) { .pf-two { grid-template-columns: 1fr; } }

/* embedded demo frame */
.pf-embed { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); background: var(--paper-sunk); }
.pf-embed iframe { display: block; width: 100%; border: 0; }
.pf-embed-cap { font-family: var(--font-sans); font-size: 12.5px; color: var(--ink-faint);
  margin-top: 12px; text-align: center; }

/* reveal-on-scroll (morning-fog) — hidden state only applies once JS opts in,
   so the page is fully visible if JS/observer never runs. */
.pf-rise { }
.pf-anim .pf-rise { opacity: 0; transform: translateY(16px);
  transition: opacity var(--dur-drift) var(--ease-out), transform var(--dur-drift) var(--ease-out); }
.pf-anim .pf-rise.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .pf-anim .pf-rise { opacity: 1; transform: none; } }

.pf-next { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 28px 0 0; }
.pf-next a { font-family: var(--font-sans); font-size: 15px; color: var(--ink-soft); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px; transition: color var(--dur-fast) var(--ease-dawn); }
.pf-next a:hover { color: var(--pa); }
