/* zephyramed.com - Superhuman glass desk, remade chrome (Edinburgh) */

:root {
  --canvas: #f2f0eb;
  --paper: #ffffff;
  --ink: #292827;
  --stone: #5c5b59;
  --mist: #e3e3e2;
  --wine: #421d24;
  --violet: #714cb6;
  --lilac: #d4c7ff;
  --lagoon: #0c4243;
  --glass: rgba(255, 255, 255, 0.74);
  --glass-line: rgba(41, 40, 39, 0.12);
  --radius: 16px;
  --max: 1120px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--canvas);
}

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

a { color: var(--violet); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Edu + header */
.zp-edu {
  background: var(--paper);
  border-bottom: 1px solid var(--mist);
  font-size: 0.8125rem;
  color: var(--stone);
}

.zp-edu .wrap { padding-top: 0.55rem; padding-bottom: 0.55rem; }
.zp-edu p { margin: 0; }

.zp-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(242, 240, 235, 0.72);
  border-bottom: 1px solid var(--mist);
}

.zp-header.is-scrolled {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.zp-header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 3.5rem;
}

.zp-wordmark {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
  font-weight: 500;
  text-decoration: none;
}

.zp-glass-mark {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 4px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
}

.zp-nav { display: flex; gap: 1rem; flex: 1; }
.zp-nav-link { color: var(--ink); font-size: 0.9375rem; }
.zp-nav-link[aria-current="page"] { color: var(--wine); }

.zp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
}

.zp-btn--wine { background: var(--wine); color: #fff; }
.zp-btn--wine:hover { text-decoration: none; opacity: 0.92; }
.zp-btn--ghost { background: var(--lilac); color: var(--ink); }
.zp-btn--ghost:hover { text-decoration: none; }
.zp-btn--sm { padding: 0.35rem 0.8rem; font-size: 0.8125rem; }

.zp-nav-toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  border: 0;
  background: transparent;
  padding: 0;
}
.zp-nav-toggle span,
.zp-nav-toggle span::before,
.zp-nav-toggle span::after {
  display: block;
  width: 1.15rem;
  height: 1.5px;
  background: var(--ink);
  position: relative;
}
.zp-nav-toggle span::before,
.zp-nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}
.zp-nav-toggle span::before { top: -6px; }
.zp-nav-toggle span::after { top: 6px; }

/* Home: centered H1, glass BELOW lede */
.zp-hero-center {
  padding: 4rem 0 2.5rem;
  text-align: center;
}

.zp-hero-center-inner { max-width: 40rem; }

.zp-display {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.15rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.zp-hero-lede {
  margin: 0 auto 1.5rem;
  color: var(--stone);
  font-size: 1.0625rem;
  max-width: 36rem;
}

.zp-glass-card {
  text-align: left;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.zp-glass-kicker {
  margin: 0 0 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--wine);
}

.zp-glass-note { margin: 0 0 1rem; color: var(--ink); }
.zp-hero-cta { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.zp-band { padding: 2.5rem 0; }
.zp-band-head { margin-bottom: 1.15rem; }
.zp-band-head--row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.zp-band-title { margin: 0 0 0.35rem; font-size: 1.5rem; font-weight: 500; }
.zp-band-note { margin: 0; color: var(--stone); font-size: 0.9375rem; }
.zp-kicker {
  margin: 0 0 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--lilac);
}

/* Filmstrip */
.zp-filmstrip {
  display: flex;
  gap: 0.85rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.zp-film-card {
  flex: 0 0 16.5rem;
  scroll-snap-align: start;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.zp-film-card:hover { text-decoration: none; border-color: var(--lilac); }
.zp-film-tag { font-size: 0.75rem; color: var(--wine); }
.zp-film-title { font-weight: 500; }
.zp-film-desc { font-size: 0.875rem; color: var(--stone); }

/* 2-col frames */
.zp-frame-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.zp-home-card {
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.zp-home-card:hover { text-decoration: none; border-color: var(--violet); }
.zp-home-tag { font-size: 0.75rem; color: var(--wine); }
.zp-home-title { font-weight: 500; font-size: 1.0625rem; }
.zp-home-desc { font-size: 0.9rem; color: var(--stone); }

.zp-band--lagoon {
  background: var(--lagoon);
  color: #f4f6f4;
}

.zp-method-stack { max-width: 40rem; }
.zp-lagoon-title { margin: 0 0 0.6rem; font-size: 1.65rem; font-weight: 500; }
.zp-lagoon-copy { margin: 0 0 1rem; color: #d7e3e0; }
.zp-method-list { margin: 0 0 1.25rem; padding-left: 1.15rem; }
.zp-method-list li { margin-bottom: 0.55rem; }
.zp-band--lagoon a { color: var(--lilac); }

.zp-band--lens { padding-bottom: 3.5rem; }
.zp-lens-row { max-width: 36rem; }
.zp-lens-copy p { color: var(--stone); }

.zp-empty { color: var(--stone); }

/* Doc */
.zp-doc-top { padding: 2.25rem 0 1.25rem; }
.zp-doc-tag {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--wine);
}
.zp-doc-h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.2;
}
.zp-byline, .zp-doc-read { margin: 0 0 0.4rem; color: var(--stone); font-size: 0.9375rem; }
.zp-abstract { margin: 1rem 0 0; max-width: 42rem; }
.zp-abstract p { margin: 0 0 0.7rem; }

.zp-frame-card {
  margin-top: 1.25rem;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  max-width: 36rem;
}

.zp-frame-card-label {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--wine);
}

.zp-frame-card-table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.zp-frame-card-table th {
  text-align: left;
  font-weight: 500;
  padding: 0.35rem 0.8rem 0.35rem 0;
  width: 34%;
  color: var(--stone);
}
.zp-frame-card-table td { padding: 0.35rem 0; }

.zp-doc-body { padding: 0.5rem 0 2rem; }

.zp-chapter { margin: 0 0 2rem; }
.zp-chapter-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem 2rem;
  align-items: start;
}

.zp-chapter-title {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 500;
}

.zp-chapter-left p,
.zp-chapter-right p { margin: 0 0 0.85rem; }
.zp-chapter-right:empty { display: none; }

.zp-inset {
  margin: 0 0 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--mist);
  background: var(--paper);
}
.zp-inset img { width: 100%; }

.zp-h3 { font-size: 1.05rem; font-weight: 500; margin: 1rem 0 0.4rem; }
.zp-bullets, .zp-bullets-title { margin: 0 0 0.7rem; }
.zp-callout {
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin: 0.8rem 0;
}
.zp-callout-label { font-size: 0.75rem; color: var(--wine); display: block; margin-bottom: 0.3rem; }

.zp-table-wrap { overflow-x: auto; margin: 0.8rem 0 1rem; }
.zp-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.zp-table th, .zp-table td { border-bottom: 1px solid var(--mist); padding: 0.4rem 0.5rem; text-align: left; }
.zp-quickref { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin: 0.8rem 0; }
.zp-cell { background: var(--paper); border: 1px solid var(--mist); border-radius: 8px; padding: 0.55rem 0.7rem; }
.zp-k { display: block; font-size: 0.75rem; color: var(--stone); }
.zp-v { font-weight: 500; }
.zp-timeline { margin: 0.8rem 0; }
.zp-timeline-row { display: grid; grid-template-columns: 5.5rem 1fr; gap: 0.6rem; margin-bottom: 0.5rem; }
.zp-timeline-year { font-weight: 500; color: var(--wine); }

.zp-sources { margin-top: 2rem; }
.zp-sources h2 { font-size: 1.15rem; font-weight: 500; }
.zp-sources-note { color: var(--stone); font-size: 0.9375rem; }

.zp-related { padding: 1.5rem 0; border-top: 1px solid var(--mist); }
.zp-related-label { margin: 0 0 0.6rem; font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--stone); }
.zp-related-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.zp-related-chip {
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.875rem;
  color: var(--ink);
}
.zp-related-chip:hover { border-color: var(--violet); text-decoration: none; }
.zp-glint-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}
.zp-glint-nav a { font-size: 0.9rem; }
.zp-glint-nav span { display: block; color: var(--stone); font-size: 0.75rem; }

.zp-consult { padding: 0 0 2rem; }
.zp-consult-box {
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}
.zp-consult-box h2 { margin: 0 0 0.75rem; font-size: 1.25rem; font-weight: 500; }
.zp-consult-item { margin: 0 0 1.1rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--mist); }
.zp-consult-item:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.zp-consult-name { font-weight: 500; color: var(--wine); margin-right: 0.35rem; }
.zp-consult-badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--lagoon);
  margin-bottom: 0.25rem;
}

.zp-rating {
  padding: 1rem 0;
  border-top: 1px solid var(--mist);
  font-size: 0.9375rem;
}

.zp-disclaimer {
  padding: 1.25rem 0 2.5rem;
  color: var(--stone);
  font-size: 0.9375rem;
}

.zp-plain { padding: 2rem 0 3rem; max-width: 42rem; }
.zp-plain-body h2 { font-size: 1.2rem; font-weight: 500; margin: 1.4rem 0 0.5rem; }
.zp-plain-body p { margin: 0 0 0.85rem; }

.zp-social-run { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.25rem; }
.zp-social { font-size: 0.875rem; }

/* Footer */
.zp-footer {
  background: var(--ink);
  color: #d8d6d2;
  padding: 2.5rem 0 1.5rem;
}
.zp-footer a { color: var(--lilac); }
.zp-footer h2 { margin: 0 0 0.6rem; font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; color: #fff; font-weight: 500; }
.zp-footer ul { list-style: none; margin: 0; padding: 0; }
.zp-footer li { margin-bottom: 0.35rem; }
.zp-footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; }
.zp-footer-gap { margin-top: 1.25rem; }
.zp-nap { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,0.12); font-size: 0.875rem; }
.zp-crisis { color: #f0c9c4; }
.zp-copy { color: #9c9a96; }

@media (max-width: 860px) {
  .zp-nav { display: none; }
  .zp-nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--canvas);
    padding: 0.8rem 1.25rem 1rem;
    border-bottom: 1px solid var(--mist);
  }
  .zp-nav-toggle { display: block; }
  .zp-header-inner { position: relative; }
  .zp-frame-grid,
  .zp-chapter-cols,
  .zp-footer-grid,
  .zp-quickref { grid-template-columns: 1fr; }
  .zp-band-head--row { flex-direction: column; }
}