:root {
  --void: #0c0b0a;
  --void-deep: #070605;
  --cream: #f3ece3;
  --cream-dim: #c9b896;
  --muted: #8a7d68;
  --line: rgba(243, 236, 227, 0.1);
  --line-strong: rgba(243, 236, 227, 0.18);
  --accent: #c9a56a;
  --red: #c43c32;
  --focus: #c9a56a;
  --glass: rgba(18, 14, 10, 0.58);
  --safe: env(safe-area-inset-bottom, 0px);
  --font-display: "Clash Display", "Satoshi", system-ui, sans-serif;
  --font-sans: "Satoshi", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --measure: 42rem;
  --motion-dur-fast: 120ms;
  --motion-dur-base: 200ms;
  --motion-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --motion-ease-spring: cubic-bezier(0.34, 1.45, 0.64, 1);
  --motion-distance-sm: 4px;
  --motion-scale: 0.97;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--void-deep);
  color: var(--cream);
}
body {
  font-family: var(--font-sans);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #e8d3a4; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--accent);
  color: #160f08;
  padding: 0.4rem 0.7rem;
  z-index: 20;
}
.skip:focus { top: 1rem; }
.grain, .aurora { pointer-events: none; position: fixed; inset: 0; }
.aurora {
  background:
    radial-gradient(900px 500px at 14% -10%, rgba(196, 60, 50, 0.16), transparent 55%),
    radial-gradient(700px 420px at 92% 8%, rgba(201, 165, 106, 0.1), transparent 50%);
  z-index: 0;
}
.grain {
  z-index: 1;
  opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.55'/></svg>");
}
.top, main, footer { position: relative; z-index: 2; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1.1rem, 3vw, 2.4rem);
}
.brand-island {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding-right: 0.9rem;
  border-right: 1px solid var(--line-strong);
}
.x-follow {
  display: inline-flex;
  align-items: center;
  height: 28px;
  max-height: 28px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  overflow: hidden;
  color: var(--cream);
  text-decoration: none;
}
.x-follow-mark {
  width: 24px; height: 24px; max-width: 24px; max-height: 24px;
  display: inline-flex; align-items: center; justify-content: center;
}
.x-follow-mark svg { width: 11px; height: 11px; max-width: 11px; max-height: 11px; }
.x-follow-handle { display: none; font-size: 0.62rem; padding-right: 0.5rem; }
@media (min-width: 1536px) { .x-follow-handle { display: inline; } }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--cream);
  text-decoration: none;
}
.brand img { width: 28px; height: 28px; border-radius: 6px; }
nav { display: flex; align-items: center; gap: 1.1rem; font-size: 0.82rem; flex-wrap: wrap; }
nav a { color: var(--cream-dim); text-decoration: none; }
nav a:hover { color: var(--cream); }

.grade-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 36px;
  padding: 0.15rem 0.28rem 0.15rem 0.7rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--red) 55%, transparent);
  background: color-mix(in srgb, var(--red) 12%, #140c0c);
  color: var(--cream);
  text-decoration: none;
  cursor: pointer;
  transform: translateY(0) scale(1);
  box-shadow: 0 0 0 0 transparent;
  transition:
    transform var(--motion-dur-fast) var(--motion-ease-spring),
    box-shadow var(--motion-dur-fast) var(--motion-ease-out),
    border-color var(--motion-dur-fast) var(--motion-ease-out),
    background-color var(--motion-dur-fast) var(--motion-ease-out),
    filter var(--motion-dur-fast) var(--motion-ease-out);
}
.grade-chip-name {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream-dim);
  font-weight: 600;
}
.grade-chip-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 0.45rem;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
  letter-spacing: 0.02em;
  transform: scale(1);
  transition: transform var(--motion-dur-fast) var(--motion-ease-spring);
}
.grade-chip-label {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #f5c2c0;
  font-weight: 700;
  padding-right: 0.35rem;
}
.grade-chip:hover,
.grade-chip:focus-visible {
  color: #fff;
  border-color: var(--red);
  background: color-mix(in srgb, var(--red) 22%, #1a0c0c);
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 10px 24px rgba(196, 60, 50, 0.28);
  filter: brightness(1.06);
}
.grade-chip:hover .grade-chip-mark,
.grade-chip:focus-visible .grade-chip-mark {
  transform: scale(1.12);
}
.grade-chip:active {
  transform: translateY(0) scale(var(--motion-scale));
  box-shadow: 0 2px 8px rgba(196, 60, 50, 0.2);
}
.top .grade-chip-label { display: none; }
.grade-chip-inline {
  margin: 0.15rem 0 1.15rem;
  min-height: 44px;
  padding: 0.25rem 0.4rem 0.25rem 0.85rem;
}
.grade-chip-inline .grade-chip-name { font-size: 0.78rem; }
.grade-chip-inline .grade-chip-mark { min-width: 32px; height: 32px; font-size: 1.05rem; }

#shades { scroll-margin-top: 1.2rem; }

.hero-art {
  position: relative;
  min-height: 72vh;
  display: grid;
  align-items: end;
  overflow: hidden;
}
.hero-art img.bg {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.46) saturate(0.88);
}
.hero-art .veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,6,5,.12) 0%, rgba(7,6,5,.5) 48%, rgba(7,6,5,.96) 100%);
}
.hero-art .copy {
  position: relative; z-index: 2;
  padding: 8vh clamp(1.1rem, 4vw, 3rem) 3.2rem;
  max-width: 1100px;
}
.kicker {
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0 0 0.8rem;
}
h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  line-height: 0.95;
  margin: 0 0 0.8rem;
  letter-spacing: -0.03em;
}
.dek {
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  max-width: 40rem;
  color: var(--cream);
}
.by { margin-top: 1.3rem; color: var(--muted); font-size: 0.95rem; }

.wrap { max-width: var(--measure); margin: 0 auto; padding: 2.2rem 1.3rem 1rem; }
.lead { font-size: 1.18rem; }
.article p { margin: 0 0 1.05rem; }
.article h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 1.1rem + 1.4vw, 2.15rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 2.5rem 0 0.9rem;
}
.pull {
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1.28;
  color: #fff;
  border-left: 3px solid var(--red);
  padding: 0.15rem 0 0.15rem 1.1rem;
  margin: 1.8rem 0;
}
.panel {
  background: var(--glass);
  border: 1px solid var(--line);
  padding: 1.15rem 1.2rem;
  margin: 1.6rem 0 1.8rem;
  border-radius: 0.8rem;
}
.panel h3 {
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: var(--font-display);
}
.panel ol { margin: 0; padding-left: 1.15rem; }
.panel li { margin: 0.4rem 0; color: var(--cream-dim); }
.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.6rem 0;
}
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }
figure { margin: 1.8rem 0; }
figcaption { color: var(--muted); font-size: 0.82rem; margin-top: 0.55rem; }
.wide { width: min(1100px, calc(100vw - 2rem)); margin: 1.6rem auto; }
.wide img { width: 100%; max-height: 78vh; object-fit: cover; border-radius: 0.7rem; }
.portrait { width: 100%; object-fit: cover; max-height: 520px; border-radius: 0.6rem; border: 1px solid var(--line); }

.faq { max-width: var(--measure); margin: 0 auto; padding: 1rem 1.3rem 2rem; }
.faq details { border-bottom: 1px solid var(--line); padding: 0.85rem 0; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { color: var(--cream-dim); margin: 0.5rem 0 0; }

.sources { max-width: var(--measure); margin: 0 auto; padding: 0 1.3rem 2rem; font-size: 0.92rem; }
.sources ol { padding-left: 1.2rem; }
.sources li { margin: 0.35rem 0; }

.bn-plug {
  max-width: var(--measure);
  margin: 0 auto 2.5rem;
  padding: 0 clamp(1.6rem, 5vw, 2.4rem) 2rem;
  box-sizing: border-box;
}
.bn-inner {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.4rem 1.4rem 1.5rem 1.6rem;
  background: rgba(12, 18, 32, 0.55);
}
.bn-head {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  margin: 0.4rem 0 1.2rem;
}
.bn-head img { width: 48px; height: 48px; border-radius: 10px; }
.bn-head h2 { margin: 0 0 0.35rem; }
.bn-sub { color: var(--cream-dim); margin: 0; max-width: 40rem; }
.bn-grade-row {
  display: grid;
  grid-template-columns: minmax(12rem, 0.4fr) 1fr;
  gap: 1.2rem;
  align-items: center;
  margin: 0.4rem 0 1rem;
}
@media (max-width: 800px) {
  .bn-grade-row { grid-template-columns: 1fr; }
}
.bn-letter { display: flex; flex-direction: column; gap: 0.25rem; }
.bn-f {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 8vw, 6.5rem);
  line-height: 0.85;
  font-weight: 700;
}
.bn-label { font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.85rem; }
.bn-meta { color: var(--muted); font-size: 0.88rem; }
.bn-card { margin: 0; }
.bn-card img { border-radius: 0.7rem; border: 1px solid var(--line); width: 100%; height: auto; }
.bn-card-open {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  position: relative;
  border-radius: 0.7rem;
  transform: translateY(0);
  transition: transform var(--motion-dur-fast) var(--motion-ease-out);
}
.bn-card-open:hover,
.bn-card-open:focus-visible {
  transform: translateY(-3px);
}
.bn-card-hint {
  position: absolute;
  right: 0.7rem;
  bottom: 0.7rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: rgba(12, 11, 10, 0.78);
  color: var(--cream);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition:
    opacity var(--motion-dur-fast) var(--motion-ease-out),
    transform var(--motion-dur-fast) var(--motion-ease-out);
}
.bn-card-open:hover .bn-card-hint,
.bn-card-open:focus-visible .bn-card-hint {
  opacity: 1;
  transform: translateY(0);
}

.bn-lb {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 1.2rem;
}
.bn-lb[hidden] { display: none; }
.bn-lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 5, 4, 0.78);
  cursor: zoom-out;
}
.bn-lb-panel {
  position: relative;
  z-index: 1;
  width: min(1200px, 96vw);
  display: grid;
  gap: 0.8rem;
}
.bn-lb-kicker {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent);
}
.bn-lb-panel img {
  width: 100%;
  height: auto;
  border-radius: 0.7rem;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.bn-lb-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.bn-lb-lock { overflow: hidden; }
.bn-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.2rem 0 1.1rem;
}
.bn-chips span {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font-size: 0.78rem;
  color: var(--cream-dim);
}
.bn-findings { margin: 0 0 1rem; padding-left: 1.15rem; }
.bn-findings li { margin: 0.45rem 0; color: var(--cream-dim); }
.bn-cta-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1rem 0 0.6rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #160f08; }
.btn-primary:hover { color: #160f08; filter: brightness(1.06); }
.btn-ghost { border-color: var(--line-strong); color: var(--cream); }
.btn-ghost:hover { color: #fff; }
.btn-share {
  background: #e8e8e8;
  color: #0c0b0a;
  gap: 0.45rem;
}
.btn-share:hover { color: #0c0b0a; filter: brightness(0.94); }
.btn-share .x-follow-mark {
  width: 22px;
  height: 22px;
  max-width: 22px;
  max-height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

footer {
  padding: 2rem clamp(1.1rem, 3vw, 2.4rem) calc(2.2rem + var(--safe));
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}
footer a { color: var(--cream-dim); text-decoration: none; }
footer a:hover { color: var(--cream); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grade-chip,
  .grade-chip-mark {
    transition: none;
  }
  .grade-chip:hover,
  .grade-chip:focus-visible,
  .grade-chip:active {
    transform: none;
    filter: none;
  }
  .bn-card-open,
  .bn-card-hint {
    transition: none;
  }
  .bn-card-open:hover,
  .bn-card-open:focus-visible {
    transform: none;
  }
}