/* ==========================================================================
   AI Research Guide — editorial design system
   Deep navy / near-black, electric blue + cyan + violet accents.
   ========================================================================== */

:root {
  /* Surfaces */
  --ink: #04070f;
  --navy-900: #070c1a;
  --navy-850: #090f21;
  --navy-800: #0b1327;
  --navy-700: #101a33;
  --glass: rgba(18, 28, 56, 0.44);
  --glass-strong: rgba(12, 20, 42, 0.78);

  /* Lines */
  --line: rgba(148, 178, 255, 0.13);
  --line-bright: rgba(148, 178, 255, 0.26);

  /* Accents */
  --blue: #3d7dff;
  --blue-soft: #6f9bff;
  --cyan: #52dcf5;
  --violet: #8b6cff;

  /* Type */
  --fg: #e9eefb;
  --fg-dim: #a9b5d3;
  --fg-mute: #7b88a7;

  --font-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-sans: "DM Sans", "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Rhythm */
  --gutter: clamp(1.15rem, 4vw, 2.5rem);
  --section-y: clamp(4.5rem, 9vw, 8.5rem);
  --radius: 18px;
  --radius-sm: 12px;

  --shadow-soft: 0 18px 50px -24px rgba(2, 6, 20, 0.9);
  --shadow-lift: 0 30px 70px -28px rgba(2, 6, 20, 0.95);
  --ease: cubic-bezier(0.22, 0.8, 0.28, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--navy-900);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: clamp(1.02rem, 0.35vw + 0.96rem, 1.12rem);
  line-height: 1.72;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- Atmosphere ------------------------------------------------------- */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(58rem 34rem at 78% -8%, rgba(61, 125, 255, 0.20), transparent 62%),
    radial-gradient(44rem 30rem at 6% 6%, rgba(139, 108, 255, 0.15), transparent 60%),
    radial-gradient(52rem 36rem at 52% 112%, rgba(82, 220, 245, 0.10), transparent 64%);
}

.atmosphere::before {
  content: "";
  position: absolute;
  inset: -10%;
  background-image:
    linear-gradient(to right, rgba(148, 178, 255, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 178, 255, 0.055) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: radial-gradient(76% 62% at 50% 22%, #000 12%, transparent 78%);
  -webkit-mask-image: radial-gradient(76% 62% at 50% 22%, #000 12%, transparent 78%);
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* --- Layout ----------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap--narrow { max-width: 780px; }

main { position: relative; z-index: 1; }

section { padding-block: var(--section-y); position: relative; }

.band-dark { background: linear-gradient(180deg, transparent, var(--ink) 16%, var(--ink) 84%, transparent); }
.band-inset { background: linear-gradient(180deg, rgba(4, 7, 15, 0), rgba(4, 7, 15, 0.72) 30%, rgba(4, 7, 15, 0.72) 70%, rgba(4, 7, 15, 0)); }

/* --- Typography ------------------------------------------------------- */
h1, h2, h3, h4 { margin: 0 0 0.6em; font-weight: 400; letter-spacing: -0.015em; }

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6.2vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.028em;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.9vw, 3.1rem);
  line-height: 1.08;
}

h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(1.14rem, 1vw + 0.9rem, 1.4rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
}

h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.4;
}

p { margin: 0 0 1.25em; color: var(--fg-dim); }
p strong { color: var(--fg); font-weight: 600; }

.prose { max-width: 72ch; }
.prose p:last-child { margin-bottom: 0; }

.lede {
  font-size: clamp(1.1rem, 0.6vw + 1rem, 1.28rem);
  line-height: 1.62;
  color: var(--fg-dim);
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.735rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  flex: none;
}

.grad {
  background: linear-gradient(104deg, var(--cyan), var(--blue-soft) 46%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sec-head { max-width: 62ch; margin-bottom: clamp(2.4rem, 4vw, 3.6rem); }

a { color: var(--blue-soft); text-decoration-color: rgba(111, 155, 255, 0.4); text-underline-offset: 3px; }
a:hover { color: var(--cyan); text-decoration-color: currentColor; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--navy-700);
  color: var(--fg);
  padding: 0.7rem 1.1rem;
  border-radius: 0 0 10px 0;
}
.skip:focus { left: 0; }

/* --- Header ----------------------------------------------------------- */
.progress {
  position: fixed;
  inset: 0 auto auto 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  z-index: 90;
}

.site-head {
  position: sticky;
  top: 0;
  z-index: 80;
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  background: rgba(6, 10, 22, 0.52);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.site-head.is-stuck {
  background: rgba(5, 8, 18, 0.86);
  border-bottom-color: var(--line);
}

.head-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 70px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.012em;
  font-size: 1.01rem;
  flex: none;
}
.brand:hover { color: var(--fg); }
.brand svg { flex: none; }
.brand-mark { transition: transform 0.6s var(--ease); }
.brand:hover .brand-mark { transform: rotate(120deg); }

.nav { margin-left: auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.4rem, 1.4vw, 1.5rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  display: block;
  padding: 0.45rem 0.1rem;
  font-size: 0.92rem;
  color: var(--fg-dim);
  text-decoration: none;
  position: relative;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.1rem;
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.35s var(--ease);
}

.nav-list a:hover, .nav-list a[aria-current="true"] { color: var(--fg); }
.nav-list a:hover::after, .nav-list a[aria-current="true"]::after { transform: scaleX(1); }

/* --- Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-sans);
  font-size: 0.935rem;
  font-weight: 500;
  line-height: 1;
  padding: 0.86rem 1.3rem;
  border-radius: 999px;
  border: 1px solid var(--line-bright);
  background: rgba(20, 31, 61, 0.55);
  color: var(--fg);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  color: var(--fg);
  border-color: rgba(148, 178, 255, 0.42);
  background: rgba(28, 44, 85, 0.7);
}

.btn svg { transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn--primary {
  border-color: transparent;
  background: linear-gradient(104deg, var(--blue), #2f62e0 55%, var(--violet));
  color: #fff;
  box-shadow: 0 14px 32px -16px rgba(61, 125, 255, 0.85);
}
.btn--primary:hover {
  color: #fff;
  box-shadow: 0 20px 44px -18px rgba(61, 125, 255, 0.95);
  background: linear-gradient(104deg, #4b88ff, #3a6ee8 55%, #9878ff);
}

.btn--sm { padding: 0.62rem 1rem; font-size: 0.86rem; }
.btn--head { flex: none; }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--line-bright);
  background: rgba(18, 28, 56, 0.5);
  color: var(--fg);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 17px;
  height: 1.5px;
  background: currentColor;
  position: relative;
  transition: transform 0.3s var(--ease), background 0.2s;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 17px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.3s var(--ease);
}
.nav-toggle span::before { top: -5.5px; }
.nav-toggle span::after { top: 5.5px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-5.5px) rotate(-45deg); }

/* --- Hero ------------------------------------------------------------- */
.hero { padding-block: clamp(3rem, 7vw, 6rem) clamp(3.5rem, 7vw, 6.5rem); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.hero h1 { margin-bottom: 1.15rem; }

.hero-sub {
  font-size: clamp(1.05rem, 0.55vw + 0.97rem, 1.22rem);
  line-height: 1.62;
  color: var(--fg-dim);
  max-width: 54ch;
  margin-bottom: 1.9rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  letter-spacing: 0.06em;
  color: var(--fg-mute);
  padding-bottom: 1.8rem;
  margin-bottom: 1.8rem;
  border-bottom: 1px solid var(--line);
  text-transform: uppercase;
}
.hero-meta a { color: var(--fg-dim); text-decoration: none; border-bottom: 1px solid rgba(148, 178, 255, 0.3); }
.hero-meta a:hover { color: var(--cyan); }
.hero-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--blue); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* --- Hero visual (AI network) ---------------------------------------- */
.viz {
  position: relative;
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    radial-gradient(28rem 20rem at 50% 42%, rgba(61, 125, 255, 0.16), transparent 66%),
    linear-gradient(160deg, rgba(16, 26, 51, 0.72), rgba(5, 9, 19, 0.85));
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.045);
  overflow: hidden;
}

.viz::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(148, 178, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 178, 255, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent 76%);
}

.viz svg { display: block; width: 100%; height: auto; position: relative; }

.viz-tag {
  position: absolute;
  left: 1.1rem;
  bottom: 1.05rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

.n-label { font-family: var(--font-mono); font-size: 9.4px; letter-spacing: 0.1em; fill: #9fb0d4; text-transform: uppercase; }
.n-hub { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.16em; fill: #eaf0ff; }
.n-hub-sub { font-family: var(--font-mono); font-size: 7.6px; letter-spacing: 0.2em; fill: #6fe0f5; }

.ring { fill: none; stroke: rgba(148, 178, 255, 0.2); stroke-width: 0.8; }
.ring-dash { fill: none; stroke: rgba(82, 220, 245, 0.42); stroke-width: 0.9; stroke-dasharray: 3 9; }
.link-line { stroke: rgba(148, 178, 255, 0.24); stroke-width: 0.9; fill: none; }
.link-flow { stroke: url(#flowGrad); stroke-width: 1.5; fill: none; stroke-dasharray: 16 150; stroke-linecap: round; }
.node-dot { fill: #081226; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spin-rev { to { transform: rotate(-360deg); } }
@keyframes flow { to { stroke-dashoffset: -332; } }
@keyframes pulse-node {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.28); }
}
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
@keyframes drift {
  0% { opacity: 0; transform: translate3d(0, 8px, 0); }
  30% { opacity: 1; }
  70% { opacity: 1; }
  100% { opacity: 0; transform: translate3d(0, -26px, 0); }
}

.spin-slow { animation: spin 46s linear infinite; transform-origin: 250px 230px; }
.spin-mid { animation: spin-rev 34s linear infinite; transform-origin: 250px 230px; }
.flowing { animation: flow 5.4s linear infinite; }
.flowing.d1 { animation-delay: -1.1s; }
.flowing.d2 { animation-delay: -2.3s; }
.flowing.d3 { animation-delay: -3.4s; }
.flowing.d4 { animation-delay: -4.2s; }
.flowing.d5 { animation-delay: -0.6s; }
.halo { animation: pulse-node 3.6s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.halo.a2 { animation-delay: -0.9s; }
.halo.a3 { animation-delay: -1.7s; }
.halo.a4 { animation-delay: -2.4s; }
.halo.a5 { animation-delay: -3.1s; }
.halo.a6 { animation-delay: -1.3s; }
.particle { animation: drift 7s ease-in-out infinite; }
.particle.p2 { animation-delay: -2.4s; }
.particle.p3 { animation-delay: -4.6s; }
.particle.p4 { animation-delay: -1.2s; }
.particle.p5 { animation-delay: -5.8s; }
.hub-float { animation: float-y 7.5s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }

/* --- Cards ------------------------------------------------------------ */
.card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: clamp(1.3rem, 2vw, 1.75rem);
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.card--hover:hover {
  transform: translateY(-4px);
  border-color: rgba(148, 178, 255, 0.34);
  box-shadow: var(--shadow-lift);
}

.card h3 { margin-bottom: 0.5rem; }
.card p { margin-bottom: 0; font-size: 0.96rem; line-height: 1.66; }

.grid { display: grid; gap: clamp(0.9rem, 1.6vw, 1.3rem); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

.ico {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  margin-bottom: 0.95rem;
  color: var(--cyan);
  border: 1px solid rgba(82, 220, 245, 0.22);
  background: linear-gradient(150deg, rgba(61, 125, 255, 0.2), rgba(139, 108, 255, 0.14));
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.665rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.34rem 0.66rem;
  border-radius: 999px;
  border: 1px solid var(--line-bright);
  background: rgba(20, 31, 61, 0.5);
  color: var(--fg-dim);
}
.pill--accent { border-color: rgba(82, 220, 245, 0.3); color: var(--cyan); background: rgba(24, 64, 82, 0.28); }

/* --- Role chips ------------------------------------------------------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0; padding: 0; list-style: none; }
.chips li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.62rem 0.95rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(16, 26, 51, 0.5);
  font-size: 0.9rem;
  color: var(--fg-dim);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.chips li:hover { transform: translateY(-3px); border-color: rgba(82, 220, 245, 0.34); color: var(--fg); }
.chips li svg { color: var(--blue-soft); flex: none; }

/* --- Segmented compare ----------------------------------------------- */
.seg {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.4rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(9, 15, 33, 0.66);
  margin-bottom: 1.4rem;
}

.seg button {
  flex: 1 1 auto;
  min-width: 120px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-mute);
  background: transparent;
  border: 0;
  border-radius: 10px;
  padding: 0.62rem 0.8rem;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.seg button:hover { color: var(--fg); }
.seg button[aria-selected="true"] {
  color: #fff;
  background: linear-gradient(120deg, rgba(61, 125, 255, 0.9), rgba(139, 108, 255, 0.75));
  box-shadow: 0 10px 24px -14px rgba(61, 125, 255, 0.9);
}

.compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.compare > div { padding: clamp(1.15rem, 2vw, 1.6rem); background: rgba(9, 15, 33, 0.82); }
.compare > div:last-child { background: linear-gradient(150deg, rgba(20, 38, 76, 0.85), rgba(10, 18, 38, 0.9)); }
.compare h4 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg-mute); margin-bottom: 0.85rem; }
.compare > div:last-child h4 { color: var(--cyan); }
.compare p { margin: 0; font-size: 0.95rem; }
.compare .compare-title { display: block; color: var(--fg); font-weight: 600; margin-bottom: 0.4rem; font-size: 1.02rem; }

[data-panel][hidden] { display: none; }
[data-panel] { animation: fade-up 0.45s var(--ease) both; }
@keyframes fade-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* --- Stages ----------------------------------------------------------- */
.stages {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.9rem, 1.6vw, 1.4rem);
  position: relative;
}

.stages::before {
  content: "";
  position: absolute;
  top: 46px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: var(--line);
}

.stages::after {
  content: "";
  position: absolute;
  top: 46px;
  left: 6%;
  width: calc(88% * var(--fill, 0));
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  transition: width 1.6s var(--ease);
  box-shadow: 0 0 12px rgba(82, 220, 245, 0.5);
}

.stage { position: relative; padding-top: 0; }

.stage-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--fg-mute);
  margin-bottom: 0.9rem;
}

.stage-dot {
  position: relative;
  z-index: 2;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(148, 178, 255, 0.4);
  background: var(--navy-900);
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.stage-dot::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-soft);
  transition: background 0.35s var(--ease), transform 0.35s var(--ease);
}
.stage:hover .stage-dot { border-color: var(--cyan); box-shadow: 0 0 0 5px rgba(82, 220, 245, 0.1); }
.stage:hover .stage-dot::after { background: var(--cyan); transform: scale(1.3); }

.stage-body {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(11, 19, 39, 0.6);
  padding: 1.2rem;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.stage:hover .stage-body { transform: translateY(-5px); border-color: rgba(82, 220, 245, 0.3); background: rgba(16, 30, 60, 0.7); }
.stage-body h3 { font-size: 1.05rem; margin-bottom: 0.45rem; }
.stage-body p { font-size: 0.915rem; line-height: 1.62; margin: 0; }
.stage-body .ico { width: 32px; height: 32px; border-radius: 9px; margin-bottom: 0.8rem; }

/* --- Provider cards --------------------------------------------------- */
.methodology {
  border-left: 2px solid var(--blue);
  padding: 1.1rem 0 1.1rem 1.35rem;
  background: linear-gradient(90deg, rgba(61, 125, 255, 0.09), transparent 70%);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: clamp(2rem, 3.5vw, 3rem);
  max-width: 76ch;
}
.methodology p { margin: 0; font-size: 0.95rem; }
.methodology .pill { margin-bottom: 0.7rem; }

.providers { display: grid; gap: clamp(1rem, 1.8vw, 1.5rem); }

.provider {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(14, 23, 46, 0.7), rgba(7, 12, 26, 0.78));
  padding: clamp(1.3rem, 2.4vw, 2rem);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

.provider::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(120deg, rgba(82, 220, 245, 0.55), rgba(61, 125, 255, 0.25) 40%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.45s var(--ease);
  pointer-events: none;
}

.provider:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.provider:hover::after { opacity: 1; }

.provider-top {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.1rem 1.35rem;
  align-items: start;
  margin-bottom: 1.2rem;
}

.rank {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: transparent;
  background: linear-gradient(160deg, var(--fg), rgba(111, 155, 255, 0.45));
  -webkit-background-clip: text;
  background-clip: text;
  padding-top: 0.15rem;
  min-width: 2.2ch;
}

.provider h3 { margin-bottom: 0.45rem; font-size: clamp(1.2rem, 1.2vw + 0.95rem, 1.55rem); font-weight: 600; }
.provider h3 a { color: var(--fg); text-decoration: none; border-bottom: 1px solid rgba(148, 178, 255, 0.3); }
.provider h3 a:hover { color: var(--cyan); border-color: currentColor; }
.provider-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 0.9rem; }
.provider-overview { margin-bottom: 0; font-size: 0.99rem; }

.provider--featured {
  border-color: rgba(82, 220, 245, 0.32);
  background: linear-gradient(150deg, rgba(22, 44, 82, 0.72), rgba(8, 14, 32, 0.84));
}
.provider--featured::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: 1.25rem;
}

.spec {
  background: rgba(7, 12, 26, 0.82);
  padding: 1rem 1.1rem;
}
.spec dt {
  font-family: var(--font-mono);
  font-size: 0.655rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin-bottom: 0.45rem;
}
.spec dd { margin: 0; font-size: 0.915rem; line-height: 1.6; color: var(--fg-dim); }

.provider-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.2rem;
  margin-top: 1.2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}
.provider-foot span { color: var(--fg-mute); text-transform: uppercase; }
.provider-foot a { color: var(--blue-soft); text-decoration: none; }
.provider-foot a:hover { color: var(--cyan); text-decoration: underline; }

/* --- Criteria --------------------------------------------------------- */
.criteria { counter-reset: crit; }
.criterion { position: relative; padding-left: 3.4rem; }
.criterion::before {
  counter-increment: crit;
  content: counter(crit, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.05rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  width: 2.5rem;
  padding-top: 0.28rem;
  border-top: 1px solid rgba(82, 220, 245, 0.35);
}
.criterion h3 { font-size: 1.06rem; margin-bottom: 0.4rem; }
.criterion p { font-size: 0.94rem; line-height: 1.64; margin: 0; }

/* --- Table ------------------------------------------------------------ */
.table-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 12, 26, 0.68);
  overflow: hidden;
}
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table { width: 100%; border-collapse: collapse; min-width: 880px; font-size: 0.9rem; }

caption {
  caption-side: top;
  text-align: left;
  padding: 1rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-mute);
  border-bottom: 1px solid var(--line);
}

th, td { padding: 0.86rem 1.05rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
thead th {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-mute);
  font-weight: 400;
  background: rgba(12, 20, 42, 0.9);
  white-space: nowrap;
}
tbody th {
  font-weight: 600;
  color: var(--fg);
  font-size: 0.9rem;
  white-space: nowrap;
  background: rgba(10, 17, 36, 0.86);
  position: sticky;
  left: 0;
  z-index: 1;
}
td { color: var(--fg-dim); }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
tbody tr { transition: background 0.25s var(--ease); }
tbody tr:hover td { background: rgba(28, 44, 85, 0.3); }
thead th:nth-child(2) { color: var(--cyan); }
tbody td:first-of-type { color: var(--fg); }

.scroll-hint {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin-top: 0.8rem;
}

/* --- Use cases -------------------------------------------------------- */
.uses { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.use {
  background: rgba(8, 14, 30, 0.85);
  padding: 1.3rem 1.25rem;
  transition: background 0.35s var(--ease), transform 0.35s var(--ease);
}
.use:hover { background: linear-gradient(150deg, rgba(24, 44, 86, 0.8), rgba(12, 20, 44, 0.9)); }
.use h4 { margin-bottom: 0.4rem; display: flex; align-items: center; gap: 0.55rem; }
.use h4 svg { color: var(--cyan); flex: none; }
.use p { margin: 0; font-size: 0.885rem; line-height: 1.58; color: var(--fg-mute); transition: color 0.35s var(--ease); }
.use:hover p { color: var(--fg-dim); }

/* --- Agent vs pod ----------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
  align-items: stretch;
}
.split-card { display: flex; flex-direction: column; }
.split-card .eq {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
}
.split-card--pod .eq { color: var(--violet); }
.layers { list-style: none; margin: 1.1rem 0 0; padding: 0; display: grid; gap: 0.5rem; }
.layers li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.92rem;
  color: var(--fg-dim);
  padding: 0.6rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(14, 23, 46, 0.6);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.layers li:hover { transform: translateX(4px); border-color: rgba(139, 108, 255, 0.34); }
.layers .idx { font-family: var(--font-mono); font-size: 0.7rem; color: var(--blue-soft); }

/* --- Ecosystem flow --------------------------------------------------- */
.flow { position: relative; display: grid; gap: clamp(0.75rem, 1.5vw, 1.1rem); }
.flow::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 34px;
  bottom: 34px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(148, 178, 255, 0.28) 8%, rgba(148, 178, 255, 0.28) 92%, transparent);
}

.flow-node {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 1.15rem;
  align-items: start;
  padding: 0.35rem 0;
}

.flow-bullet {
  position: relative;
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-bright);
  background: linear-gradient(150deg, rgba(20, 34, 68, 0.95), rgba(8, 14, 30, 0.98));
  color: var(--cyan);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), color 0.4s var(--ease);
}
.flow-node:hover .flow-bullet { transform: scale(1.07); border-color: rgba(82, 220, 245, 0.5); color: #fff; }

.flow-copy {
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0.55rem 0.9rem 0.7rem;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.flow-node:hover .flow-copy { border-color: var(--line); background: rgba(14, 23, 46, 0.5); }
.flow-copy h3 { font-size: 1.04rem; margin-bottom: 0.3rem; }
.flow-copy p { margin: 0; font-size: 0.93rem; line-height: 1.62; }
.flow-step {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-mute);
  display: block;
  margin-bottom: 0.25rem;
}

/* --- Checklist -------------------------------------------------------- */
.checklist-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.3rem;
}
.checklist-meter {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--fg-mute);
  text-transform: uppercase;
}
.meter { width: clamp(90px, 22vw, 180px); height: 4px; border-radius: 999px; background: rgba(148, 178, 255, 0.16); overflow: hidden; }
.meter i { display: block; height: 100%; width: 0%; border-radius: 999px; background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet)); transition: width 0.45s var(--ease); }

.checklist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.55rem; }
.checklist li { display: flex; }
.check {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  cursor: pointer;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(11, 19, 39, 0.6);
  font-size: 0.93rem;
  color: var(--fg-dim);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}
.check:hover { transform: translateY(-2px); border-color: rgba(148, 178, 255, 0.32); color: var(--fg); }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check .box {
  flex: none;
  width: 19px;
  height: 19px;
  border-radius: 6px;
  border: 1px solid rgba(148, 178, 255, 0.38);
  display: grid;
  place-items: center;
  color: transparent;
  transition: background 0.28s var(--ease), border-color 0.28s var(--ease), color 0.28s var(--ease);
}
.check input:checked + .box {
  background: linear-gradient(140deg, var(--cyan), var(--blue));
  border-color: transparent;
  color: #041022;
}
.check:has(input:checked) { border-color: rgba(82, 220, 245, 0.34); background: rgba(19, 44, 62, 0.42); color: var(--fg); }
.check input:focus-visible + .box { outline: 2px solid var(--cyan); outline-offset: 2px; }

/* --- Mistakes --------------------------------------------------------- */
.mistakes { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.mistakes li {
  background: rgba(8, 14, 30, 0.85);
  padding: 1.15rem 1.2rem;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 0.85rem;
  transition: background 0.3s var(--ease);
}
.mistakes li:hover { background: rgba(48, 20, 34, 0.5); }
.mistakes svg { color: #ff7a8f; margin-top: 3px; }
.mistakes h4 { margin: 0 0 0.25rem; }
.mistakes p { margin: 0; font-size: 0.885rem; line-height: 1.56; color: var(--fg-mute); }

/* --- Author ----------------------------------------------------------- */
.author-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.2rem);
  align-items: center;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(22, 38, 74, 0.68), rgba(7, 12, 26, 0.86));
  padding: clamp(1.4rem, 3vw, 2.3rem);
  box-shadow: var(--shadow-soft);
}

.avatar {
  position: relative;
  width: clamp(92px, 16vw, 132px);
  height: clamp(92px, 16vw, 132px);
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(140deg, var(--cyan), var(--blue) 45%, var(--violet));
  box-shadow: 0 0 0 1px rgba(148, 178, 255, 0.2), 0 18px 40px -18px rgba(61, 125, 255, 0.7);
  flex: none;
}
.avatar-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: radial-gradient(120% 120% at 30% 20%, #1b2c54, #080e1e);
  display: grid;
  place-items: center;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 50%; }
.avatar-mono {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, 2.7rem);
  letter-spacing: 0.02em;
  color: var(--fg);
  line-height: 1;
}
.author-card h3 { margin-bottom: 0.2rem; font-size: clamp(1.2rem, 1.4vw + 0.9rem, 1.5rem); }
.author-card h3 a { color: var(--fg); text-decoration: none; border-bottom: 1px solid rgba(148, 178, 255, 0.35); }
.author-card h3 a:hover { color: var(--cyan); border-color: currentColor; }
.author-role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.85rem;
}
.author-card p { font-size: 0.96rem; margin-bottom: 1rem; }
.author-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }

/* --- FAQ -------------------------------------------------------------- */
.faq { display: grid; gap: 0.6rem; }
.faq details {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(11, 19, 39, 0.6);
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.faq details[open] { border-color: rgba(82, 220, 245, 0.28); background: rgba(15, 27, 54, 0.72); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 1.05rem 3.2rem 1.05rem 1.25rem;
  position: relative;
  font-weight: 500;
  font-size: 1rem;
  color: var(--fg);
  line-height: 1.45;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: 1.25rem;
  top: 50%;
  width: 11px;
  height: 11px;
  margin-top: -6px;
  border-right: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.35s var(--ease);
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq .faq-body { padding: 0 1.25rem 1.2rem; }
.faq .faq-body p { margin: 0; font-size: 0.95rem; line-height: 1.68; }
.faq details[open] .faq-body { animation: fade-up 0.4s var(--ease) both; }

/* --- Closing ---------------------------------------------------------- */
.closing-quote {
  margin: clamp(1.8rem, 3vw, 2.6rem) 0 0;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border-radius: var(--radius);
  border: 1px solid rgba(82, 220, 245, 0.24);
  background: linear-gradient(140deg, rgba(24, 48, 88, 0.6), rgba(8, 14, 32, 0.8));
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.6vw + 1rem, 1.8rem);
  line-height: 1.34;
  color: var(--fg);
}
.closing-quote p { color: inherit; margin: 0; }

/* --- Footer ----------------------------------------------------------- */
.site-foot {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: rgba(4, 7, 15, 0.8);
  padding-block: 2.6rem;
}
.foot-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  font-size: 0.86rem;
  color: var(--fg-mute);
}
.foot-nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; list-style: none; margin: 0; padding: 0; }
.foot-nav a { color: var(--fg-mute); text-decoration: none; font-size: 0.86rem; }
.foot-nav a:hover { color: var(--cyan); }

/* --- Reveal ----------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-delay="3"] { transition-delay: 0.24s; }
[data-reveal][data-delay="4"] { transition-delay: 0.32s; }

.hero [data-lift] { animation: hero-in 0.95s var(--ease) both; }
.hero [data-lift="1"] { animation-delay: 0.05s; }
.hero [data-lift="2"] { animation-delay: 0.14s; }
.hero [data-lift="3"] { animation-delay: 0.23s; }
.hero [data-lift="4"] { animation-delay: 0.32s; }
.hero [data-lift="5"] { animation-delay: 0.41s; }
.hero [data-lift="6"] { animation-delay: 0.2s; }
@keyframes hero-in { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }

/* --- Responsive ------------------------------------------------------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .viz { order: -1; max-width: 560px; }
  .stages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stages::before, .stages::after { display: none; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    inset: 70px 0 auto;
    margin: 0;
    background: rgba(5, 8, 18, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
  }
  .nav.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 0.6rem var(--gutter) 1.4rem; }
  .nav-list a { padding: 0.82rem 0; font-size: 1rem; border-bottom: 1px solid var(--line); }
  .nav-list a::after { display: none; }
  .nav-toggle { display: flex; }
  .btn--head { display: none; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scroll-hint { display: block; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 84px; }
  .grid--2, .grid--3, .grid--4, .stages, .split, .checklist, .mistakes { grid-template-columns: minmax(0, 1fr); }
  .compare { grid-template-columns: minmax(0, 1fr); }
  .provider-top { grid-template-columns: minmax(0, 1fr); gap: 0.55rem; }
  .rank { font-size: 1.35rem; }
  .author-card { grid-template-columns: minmax(0, 1fr); text-align: left; }
  .criterion { padding-left: 2.9rem; }
  .flow::before { left: 18px; }
  .flow-node { grid-template-columns: 38px minmax(0, 1fr); gap: 0.85rem; }
  .flow-bullet { width: 38px; height: 38px; border-radius: 11px; }
  .flow-copy { padding-inline: 0; }
  .flow-node:hover .flow-copy { background: transparent; border-color: transparent; }
  .hero-meta { font-size: 0.72rem; }
  .closing-quote { font-size: 1.22rem; }
}

@media (max-width: 420px) {
  .seg button { min-width: 100%; }
}

/* --- Motion preferences ---------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .spin-slow, .spin-mid, .flowing, .halo, .particle, .hub-float { animation: none !important; }
  .particle { opacity: 0.7; }
  .stages::after { transition: none; }
}

@media print {
  .atmosphere, .site-head, .progress, .viz, .site-foot { display: none; }
  body { background: #fff; color: #111; }
}