:root {
  --bg: #0b0f14;
  --bg-elevated: #121820;
  --bg-soft: #171e28;
  --line: rgba(148, 163, 184, 0.14);
  --text: #e8eef6;
  --muted: #94a3b8;
  --accent: #14b8a6;
  --accent-soft: rgba(20, 184, 166, 0.12);
  --accent-strong: #2dd4bf;
  --warn: #f59e0b;
  --radius: 14px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --container: 1120px;
  --font-display: "Sora", sans-serif;
  --font-body: "Manrope", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(20, 184, 166, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(56, 189, 248, 0.08), transparent 50%),
    linear-gradient(180deg, #0b0f14 0%, #0d1219 45%, #0b0f14 100%);
  line-height: 1.7;
  min-height: 100vh;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #5eead4;
}

.container {
  width: min(var(--container), calc(100% - 2.5rem));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(11, 15, 20, 0.78);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, #14b8a6, #0f766e);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(20, 184, 166, 0.25);
}

.logo-mark span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.04em;
  color: #f8fafc;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.04em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: 0.92rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

.hero {
  padding: 4.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 8% auto auto 50%;
  width: min(720px, 90vw);
  height: 320px;
  transform: translateX(-50%);
  background:
    linear-gradient(90deg, transparent, rgba(20, 184, 166, 0.08), transparent),
    repeating-linear-gradient(
      90deg,
      rgba(148, 163, 184, 0.05) 0 1px,
      transparent 1px 28px
    );
  mask-image: linear-gradient(180deg, #000, transparent);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.35rem);
  line-height: 1.15;
  letter-spacing: -0.045em;
  max-width: 18ch;
  margin: 0 0 1.25rem;
}

.lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 68ch;
  margin: 0 0 1.75rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.meta-row time,
.meta-row span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 2.5rem;
  padding-bottom: 5rem;
  align-items: start;
}

.toc {
  position: sticky;
  top: 96px;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 24, 32, 0.8);
}

.toc h2 {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 700;
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.toc a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.35;
}

.toc a:hover {
  color: var(--accent-strong);
}

.article {
  min-width: 0;
}

.article section {
  margin-bottom: 3.25rem;
  scroll-margin-top: 96px;
}

.article h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.4vw, 2rem);
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
  line-height: 1.25;
}

.article h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  margin: 2rem 0 0.75rem;
}

.article h4 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.6rem;
}

.article p {
  margin: 0 0 1rem;
  color: #d5deea;
}

.article ul,
.article ol {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
  color: #d5deea;
}

.article li + li {
  margin-top: 0.4rem;
}

.note {
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: #cfe9e5;
}

.participants {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin: 1.5rem 0 2rem;
}

.participant {
  display: block;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

a.participant:hover {
  border-color: rgba(20, 184, 166, 0.45);
  background: rgba(20, 184, 166, 0.06);
  transform: translateY(-2px);
  color: inherit;
}

.participant strong {
  display: block;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.participant span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.participant-url {
  margin-top: 0.55rem;
  color: var(--accent-strong) !important;
  font-size: 0.82rem !important;
}

.article h3 a {
  color: inherit;
  text-decoration: none;
}

.article h3 a:hover {
  color: var(--accent-strong);
}

.site-link {
  margin: -0.35rem 0 1rem;
  font-size: 0.92rem;
}

.site-link a {
  text-decoration: none;
}

.site-link a:hover {
  text-decoration: underline;
}

.article table th a {
  color: inherit;
  text-decoration: none;
}

.article table th a:hover {
  color: var(--accent-strong);
}

.table-wrap {
  overflow-x: auto;
  margin: 1.25rem 0 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: 0.95rem;
}

th,
td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
  white-space: nowrap;
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover td,
tbody tr:hover th {
  background: rgba(20, 184, 166, 0.04);
}

.yes {
  color: #5eead4;
}

.partial {
  color: #fbbf24;
}

.no {
  color: #f87171;
}

.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0 1.75rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: 1.15rem 1.25rem;
}

.panel h4 {
  margin-top: 0;
}

.panel.pros h4 {
  color: #5eead4;
}

.panel.cons h4 {
  color: #fbbf24;
}

.panel ul {
  margin-bottom: 0;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  margin-bottom: 0.75rem;
  padding: 0.15rem 1rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  padding: 1rem 0;
  list-style: none;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--accent-strong);
  font-weight: 700;
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  margin-top: 0;
  padding-bottom: 1rem;
}

.cta-box {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(20, 184, 166, 0.35);
  background:
    linear-gradient(145deg, rgba(20, 184, 166, 0.12), rgba(18, 24, 32, 0.9));
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .participants,
  .pros-cons {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(var(--container), calc(100% - 1.5rem));
  }

  .nav {
    display: none;
  }

  .hero {
    padding-top: 3rem;
  }

  .participants,
  .pros-cons {
    grid-template-columns: 1fr;
  }

  th,
  td {
    padding: 0.75rem;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero .eyebrow,
.hero h1,
.hero .lead,
.hero .meta-row {
  animation: rise 0.7s ease both;
}

.hero h1 {
  animation-delay: 0.08s;
}

.hero .lead {
  animation-delay: 0.16s;
}

.hero .meta-row {
  animation-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero .eyebrow,
  .hero h1,
  .hero .lead,
  .hero .meta-row {
    animation: none;
  }
}