/* ============================================================
   OBSIDIAN — Found Agents template
   Dark-tech design system with light/dark theme toggle.
   All colors flow from CSS custom properties on :root so the
   theme switch is instant and complete on every page.
   ============================================================ */

:root {
  /* Dark palette (default) */
  --bg: #0A0A0F;
  --bg-2: #101018;
  --bg-3: #16161F;
  --bg-raise: #13131C;
  --text: #E8EAF0;
  --text-dim: #9BA1B0;
  --text-faint: #6B7180;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #22D3EE;
  --accent-2: #3B82F6;
  --accent-ink: #06222A;
  --accent-soft: rgba(34, 211, 238, 0.09);
  --accent-line: rgba(34, 211, 238, 0.35);
  --glow: rgba(34, 211, 238, 0.14);
  --grad: linear-gradient(120deg, #22D3EE, #3B82F6);
  --ball: linear-gradient(145deg, #3a3f4e 0%, #12141c 55%, #232836 100%);
  --ball-edge: rgba(255, 255, 255, 0.25);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
  --nav-bg: rgba(10, 10, 15, 0.82);
  --code-bg: #0D0D14;

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;

  --radius: 6px;
  --radius-lg: 10px;
  --container: 1160px;

  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #F7F8FA;
  --bg-2: #FFFFFF;
  --bg-3: #EEF0F4;
  --bg-raise: #FFFFFF;
  --text: #0C0D12;
  --text-dim: #4A5060;
  --text-faint: #7B8190;
  --border: rgba(12, 13, 24, 0.10);
  --border-strong: rgba(12, 13, 24, 0.20);
  --accent: #0891B2;
  --accent-2: #2563EB;
  --accent-ink: #FFFFFF;
  --accent-soft: rgba(8, 145, 178, 0.08);
  --accent-line: rgba(8, 145, 178, 0.4);
  --glow: rgba(8, 145, 178, 0.10);
  --grad: linear-gradient(120deg, #0891B2, #2563EB);
  --ball: linear-gradient(145deg, #cfd4de 0%, #8b93a3 55%, #b9bfcc 100%);
  --ball-edge: rgba(255, 255, 255, 0.7);
  --shadow: 0 18px 40px rgba(15, 20, 40, 0.10);
  --nav-bg: rgba(247, 248, 250, 0.85);
  --code-bg: #EEF0F4;

  color-scheme: light;
}

/* ---------- Reset / base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* Anchored targets land below the sticky header */
[id] { scroll-margin-top: 90px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--text);
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.18rem; }

p { color: var(--text-dim); }

::selection { background: var(--accent); color: var(--accent-ink); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 84px 0; }
section.tight { padding: 56px 0; }

/* Mono eyebrow labels */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head p { margin-top: 14px; font-size: 1.05rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 22px var(--glow);
}
html[data-theme="dark"] .btn-primary { color: #04141A; }
.btn-primary:hover { box-shadow: 0 10px 30px var(--glow); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand .brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand .brand-name em { font-style: normal; color: var(--accent); }
.brand .brand-sub {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .btn { padding: 9px 18px; font-size: 0.85rem; }

/* Theme toggle */
.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
html[data-theme="dark"] .icon-moon { display: none; }
html[data-theme="light"] .icon-sun { display: none; }

/* Mobile nav */
.nav-burger {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  width: 38px;
  height: 38px;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

@media (max-width: 860px) {
  .nav-burger { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; font-size: 1rem; }
  .nav-cta .btn-nav-contact { display: none; }
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  padding: 18px 0 0;
}
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: var(--text-faint); }
.breadcrumbs a { color: var(--text-dim); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs [aria-current] { color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 72px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 380px at 82% 8%, var(--glow), transparent 65%),
    radial-gradient(500px 300px at 8% 92%, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 56px;
  align-items: center;
}
.hero h1 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .sub { margin-top: 20px; font-size: 1.08rem; max-width: 560px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}
.hero-stats .value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}
.hero-stats .label { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; }

@media (max-width: 940px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
}

/* ---------- Newton's cradle ---------- */
.cradle-wrap {
  position: relative;
  background: linear-gradient(160deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px 40px;
  box-shadow: var(--shadow);
}
.cradle-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: radial-gradient(320px 180px at 50% 0%, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.cradle-caption {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-align: center;
  margin-top: 26px;
}
.cradle {
  position: relative;
  height: 230px;
  margin: 0 auto;
  max-width: 340px;
}
.cradle-bar {
  position: absolute;
  top: 18px;
  left: 6%;
  right: 6%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent), var(--accent-2));
  box-shadow: 0 2px 14px var(--glow);
}
.cradle-bar::before, .cradle-bar::after {
  content: "";
  position: absolute;
  top: 6px;
  width: 5px;
  height: 176px;
  background: linear-gradient(180deg, var(--border-strong), transparent);
}
.cradle-bar::before { left: 4px; }
.cradle-bar::after { right: 4px; }

.pend {
  position: absolute;
  top: 21px;
  width: 2px;
  height: 148px;
  transform-origin: 50% 0;
  will-change: transform;
}
/* 5 pendulums, ball diameter ~44px, spaced 46px apart around center */
.pend .string {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1.5px;
  height: 126px;
  margin-left: -0.75px;
  background: linear-gradient(180deg, var(--border-strong), var(--text-faint));
}
.pend .ball {
  position: absolute;
  top: 124px;
  left: 50%;
  width: 44px;
  height: 44px;
  margin-left: -22px;
  border-radius: 50%;
  background: var(--ball);
  border: 1px solid var(--border-strong);
  box-shadow:
    inset -6px -8px 14px rgba(0, 0, 0, 0.35),
    inset 5px 6px 10px var(--ball-edge),
    0 10px 18px rgba(0, 0, 0, 0.35);
}
.pend .ball::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 9px;
  width: 12px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  filter: blur(1.5px);
  transform: rotate(-25deg);
}
.pend:nth-child(2) { left: calc(50% - 93px); }
.pend:nth-child(3) { left: calc(50% - 47px); }
.pend:nth-child(4) { left: calc(50% - 1px); }
.pend:nth-child(5) { left: calc(50% + 45px); }
.pend:nth-child(6) { left: calc(50% + 91px); }

/* Left ball: swings out and back in the first half of the cycle.
   Right ball: second half. Ease-out going up, ease-in coming down. */
@keyframes cradle-left {
  0%   { transform: rotate(0deg);  animation-timing-function: cubic-bezier(0.16, 0.6, 0.45, 1); }
  23%  { transform: rotate(38deg); animation-timing-function: cubic-bezier(0.55, 0, 0.84, 0.4); }
  46%, 100% { transform: rotate(0deg); }
}
@keyframes cradle-right {
  0%, 50% { transform: rotate(0deg); animation-timing-function: cubic-bezier(0.16, 0.6, 0.45, 1); }
  73%  { transform: rotate(-38deg); animation-timing-function: cubic-bezier(0.55, 0, 0.84, 0.4); }
  96%, 100% { transform: rotate(0deg); }
}
/* Tiny sympathetic wobble on the middle balls at each impact */
@keyframes cradle-mid {
  0%, 44%  { transform: rotate(0deg); }
  47%  { transform: rotate(-1.2deg); }
  50%, 94% { transform: rotate(0deg); }
  97%  { transform: rotate(1.2deg); }
  100% { transform: rotate(0deg); }
}
.pend:nth-child(2) { animation: cradle-left 2.6s infinite; }
.pend:nth-child(6) { animation: cradle-right 2.6s infinite; }
.pend:nth-child(3),
.pend:nth-child(4),
.pend:nth-child(5) { animation: cradle-mid 2.6s infinite; }

@media (prefers-reduced-motion: reduce) {
  .pend { animation: none !important; }
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}

/* ---------- Trustbar ---------- */
.trustbar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  padding: 18px 0;
}
.trustbar ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 40px;
}
.trustbar li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 10px;
}
.trustbar li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  display: inline-block;
  transform: rotate(45deg);
}

/* ---------- Card grids ---------- */
.grid { display: grid; gap: 22px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 940px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid.cols-3, .grid.cols-2, .grid.cols-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--accent-line); transform: translateY(-3px); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.93rem; }
.card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}
a.card-block { display: block; color: inherit; }
a.card-block:hover { text-decoration: none; }

.card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 3px;
  padding: 3px 8px;
  margin-bottom: 14px;
}
.card .meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-faint); margin-top: 14px; }

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step {
  counter-increment: step;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  position: relative;
}
.step::before {
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 4px 10px;
  display: inline-block;
  margin-bottom: 18px;
}
.step h3 { margin-bottom: 8px; }
.step p { font-size: 0.93rem; }

/* ---------- Testimonials ---------- */
.quote-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
}
.quote-card blockquote { color: var(--text); font-size: 0.98rem; line-height: 1.6; }
.quote-card figcaption { margin-top: 18px; font-size: 0.85rem; color: var(--text-dim); }
.quote-card figcaption strong { color: var(--text); font-family: var(--font-display); display: block; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; }
.faq-list details {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 22px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details[open] summary { border-bottom: 1px solid var(--border); }
.faq-list .faq-a { padding: 18px 22px; font-size: 0.95rem; color: var(--text-dim); }

/* ---------- Stats band ---------- */
.stats-band {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-band .grid { text-align: center; }
.stats-band .value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stats-band .label { font-size: 0.85rem; color: var(--text-dim); margin-top: 6px; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(480px 220px at 50% 0%, var(--glow), transparent 70%);
  pointer-events: none;
}
.cta-band > * { position: relative; }
.cta-band p { max-width: 620px; margin: 16px auto 0; }
.cta-band .hero-ctas { justify-content: center; }

/* ---------- Article / prose ---------- */
.prose { max-width: 760px; }
.prose > p { margin-bottom: 20px; font-size: 1.02rem; }
.prose h2 {
  font-size: 1.5rem;
  margin: 44px 0 16px;
  padding-top: 8px;
}
.prose h2::before {
  content: "§ ";
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1rem;
}
.prose ul { margin: 0 0 20px 0; padding-left: 0; list-style: none; }
.prose ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--text-dim);
}
.prose ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
}
.prose strong { color: var(--text); }
.prose em { color: var(--text); }

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: flex;
  gap: 18px;
  margin: 18px 0 8px;
}
.article-meta .cat { color: var(--accent); }

.page-hero { padding: 56px 0 40px; }
.page-hero .sub { margin-top: 16px; font-size: 1.05rem; max-width: 680px; color: var(--text-dim); }

/* Info callout */
.callout {
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 0.93rem;
  color: var(--text-dim);
}
.callout strong { color: var(--text); }

/* ---------- Calculators ---------- */
.calc-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
}
.calc-card h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.calc-card .calc-desc { font-size: 0.9rem; margin-bottom: 22px; }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 940px) { .calc-grid { grid-template-columns: 1fr; } }

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 11px 14px;
  transition: border-color 0.15s ease;
}
.field textarea { font-family: var(--font-body); min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .field-row { grid-template-columns: 1fr; } }

.calc-out {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-top: 20px;
}
.calc-out .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--border);
}
.calc-out .row:last-child { border-bottom: none; }
.calc-out .k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.calc-out .v {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  text-align: right;
}
.calc-out .v.big { font-size: 1.3rem; }
.disclaimer {
  font-size: 0.74rem;
  color: var(--text-faint);
  margin-top: 14px;
  font-style: italic;
}

/* ---------- Contact form ---------- */
.form-success {
  display: none;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  color: var(--text);
  border-radius: var(--radius-lg);
  padding: 26px;
  font-size: 0.98rem;
}
.form-success.visible { display: block; }
.form-success strong { color: var(--accent); }

.contact-info { list-style: none; }
.contact-info li { padding: 14px 0; border-bottom: 1px solid var(--border); }
.contact-info .k {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: block;
  margin-bottom: 4px;
}
.contact-info .v { color: var(--text); font-weight: 500; }

/* ---------- Comparison table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); }
table.compare { width: 100%; border-collapse: collapse; min-width: 560px; background: var(--bg-2); }
table.compare th, table.compare td { padding: 14px 20px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
table.compare th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--bg-3);
}
table.compare td { color: var(--text-dim); }
table.compare td:first-child { color: var(--text); font-weight: 500; }
table.compare td:last-child { color: var(--accent); }
table.compare tr:last-child td { border-bottom: none; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-2);
  padding: 64px 0 36px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 36px;
}
@media (max-width: 1020px) { .footer-grid { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-about p { font-size: 0.86rem; margin-top: 14px; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { color: var(--text-dim); font-size: 0.88rem; }
.footer-col a:hover { color: var(--accent); }
.footer-legal {
  border-top: 1px solid var(--border);
  margin-top: 44px;
  padding-top: 26px;
  font-size: 0.78rem;
  color: var(--text-faint);
}
.footer-legal p { color: var(--text-faint); margin-bottom: 8px; }
.footer-legal .mono { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; }

/* ---------- Misc ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }