/* Sumeru - product site styles */

:root {
  --font-sans: "Instrument Sans", system-ui, -apple-system, sans-serif;
  --font-mono:
    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --color-primary: #14b8a6;
  --color-primary-dark: #0f9a8a;
  --color-primary-bright: #2dd4bf;
  --color-bg: #050505;
  --color-elevated: #0b0b0c;
  --color-surface: #111112;
  --color-surface-2: #171719;
  --color-text: #f7f7f5;
  --color-muted: #8b8b91;
  --color-dimmed: #55555b;
  --color-border: #ffffff1a;
  --color-border-strong: #ffffff29;
  --color-code-bg: #ffffff0e;
  --color-code-fg: #e0e0e0;
  --color-on-primary: #042f2e;
  --nav-bg: rgba(11, 11, 12, 0.78);
  --nav-border: rgba(255, 255, 255, 0.12);
  --nav-shadow: 0 18px 70px #00000057;
  --fill-soft: #ffffff06;
  --fill-hover: #ffffff12;
  --fill-active: #ffffff1a;
  --fill-ghost: #ffffff0a;
  --fill-ghost-hover: #ffffff14;
  --fill-tile: #ffffff0e;
  --fill-bar: #ffffff05;
  --dot-muted: #ffffff24;
  --hero-sheen: #ffffff0e;
  --terminal-shadow: 0 28px 100px #0000006b;
  --theme-color: #050505;

  --wrap: 1120px;
  --radius: 14px;
  --radius-sm: 8px;
  --chrome-stack: 72px;
  --header-offset: 88px;

  color-scheme: dark;
}

[data-theme="light"] {
  --color-bg: #f3f3f0;
  --color-elevated: #ffffff;
  --color-surface: #ffffff;
  --color-surface-2: #ecece8;
  --color-text: #141416;
  --color-muted: #5c5c64;
  --color-dimmed: #8a8a92;
  --color-border: #00000014;
  --color-border-strong: #00000024;
  --color-code-bg: #0000000a;
  --color-code-fg: #1c1c20;
  --nav-bg: rgba(255, 255, 255, 0.86);
  --nav-border: rgba(0, 0, 0, 0.1);
  --nav-shadow: 0 18px 50px #0000001a;
  --fill-soft: #00000006;
  --fill-hover: #0000000c;
  --fill-active: #00000012;
  --fill-ghost: #00000008;
  --fill-ghost-hover: #00000010;
  --fill-tile: #0000000a;
  --fill-bar: #00000005;
  --dot-muted: #0000002e;
  --hero-sheen: #00000008;
  --terminal-shadow: 0 20px 60px #00000014;
  --theme-color: #f3f3f0;

  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-offset);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.45em;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--color-text);
}
h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  line-height: 1;
}
h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  letter-spacing: -0.035em;
}
h3 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  letter-spacing: -0.025em;
}

p {
  margin: 0 0 1em;
  color: var(--color-muted);
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: var(--color-text);
}
strong {
  color: var(--color-text);
  font-weight: 600;
}
em {
  color: var(--color-text);
  font-style: italic;
}
code,
pre {
  font-family: var(--font-mono);
}
code {
  font-size: 0.88em;
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  padding: 0.1em 0.4em;
  border-radius: 5px;
  color: var(--color-text);
}
ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.15em;
  color: var(--color-muted);
}
li {
  margin-bottom: 0.35em;
}
img,
svg {
  max-width: 100%;
  display: block;
}
::selection {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 10px 16px;
  border-radius: 8px;
}
.skip-link:focus {
  left: 8px;
  top: 8px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}
.wrap-narrow {
  max-width: 760px;
}
.mt-lg {
  margin-top: 44px;
}
.mt-xl {
  margin-top: 64px;
}
.fineprint {
  font-size: 0.9rem;
  color: var(--color-dimmed);
}

/* Card nav */

.site-chrome {
  position: sticky;
  top: 0;
  z-index: 99;
  padding: 16px 16px 0;
  pointer-events: none;
  background: transparent;
}
.site-chrome > * {
  pointer-events: auto;
}

.chrome-row {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hub-link {
  flex: 0 0 auto;
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 42%, transparent);
  background: color-mix(in srgb, var(--color-primary) 14%, var(--nav-bg));
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--nav-shadow);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  white-space: nowrap;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease;
}
.hub-link:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
  background: color-mix(
    in srgb,
    var(--color-primary) 22%,
    var(--color-surface)
  );
  transform: translateY(-1px);
}
.hub-link::before {
  content: "←";
  opacity: 0.85;
  color: var(--color-primary);
}

.card-nav-container {
  position: relative;
  width: fit-content;
  max-width: min(94vw, 920px);
  flex: 0 1 auto;
  margin: 0;
  z-index: 99;
}

.card-nav {
  display: block;
  height: 56px;
  padding: 0;
  border: 1px solid var(--nav-border);
  border-radius: 999px;
  box-shadow: var(--nav-shadow);
  position: relative;
  overflow: visible;
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}
.card-nav.open {
  /* Pill stays fixed height so the cursor never lands on a link that just appeared */
  height: 56px;
  border-radius: 999px;
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--nav-border));
  box-shadow:
    var(--nav-shadow),
    0 0 0 1px color-mix(in srgb, var(--color-primary) 12%, transparent);
}

.card-nav-top {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  padding: 6px 8px 6px 14px;
  position: relative;
  z-index: 2;
}

.card-nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--color-text);
  flex: 0 0 auto;
}
.card-nav-logo .brand-name {
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.card-nav-logo .brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.card-nav-logo .brand-mark img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: block;
}

.card-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  margin-left: 2px;
}

.card-nav-trigger {
  appearance: none;
  background: none;
  border: 0;
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: inherit;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.72;
  transition:
    opacity 0.2s ease,
    background-color 0.2s ease;
}
.card-nav-trigger:hover,
.card-nav-trigger:focus-visible {
  opacity: 1;
  background: var(--fill-hover);
}
.card-nav-trigger.active {
  opacity: 1;
  background: var(--fill-active);
}

.card-nav-trigger-caret {
  width: 0;
  height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
  opacity: 0.6;
  transition: transform 0.24s ease;
}
.card-nav-trigger.active .card-nav-trigger-caret {
  transform: rotate(180deg);
}

.card-nav-cta {
  border: none;
  border-radius: 999px;
  padding: 0 16px;
  height: 100%;
  min-height: 42px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  white-space: nowrap;
  margin-left: 4px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}
.card-nav-cta:hover {
  transform: scale(1.03);
  background: var(--color-primary-bright);
  color: var(--color-on-primary);
  box-shadow: 0 12px 36px
    color-mix(in srgb, var(--color-primary) 35%, transparent);
}

.card-nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  flex: 0 0 auto;
  margin-left: 0;
}
.card-nav-icon-link,
.theme-toggle {
  appearance: none;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
  padding: 0;
  text-decoration: none;
}
.card-nav-icon-link:hover,
.card-nav-icon-link:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--color-text);
  background: var(--fill-hover);
  border-color: var(--color-border);
}
.card-nav-icon-link svg,
.theme-toggle svg {
  display: block;
}
.theme-toggle .icon-sun {
  display: none;
}
.theme-toggle .icon-moon {
  display: block;
}
[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}
[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

.card-nav-panel {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  width: max(100%, min(92vw, 560px));
  padding: 10px;
  border-radius: 18px;
  border: 1px solid var(--nav-border);
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--nav-shadow);
  z-index: 5;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}
.card-nav.open .card-nav-panel.is-active {
  display: block;
  opacity: 1;
  pointer-events: auto;
  animation: card-nav-panel-in 0.18s ease;
}
.card-nav.panel-inert .card-nav-panel {
  pointer-events: none;
}
@keyframes card-nav-panel-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .card-nav-panel,
  .card-nav.open .card-nav-panel.is-active {
    transition: none;
    animation: none;
  }
}
.card-nav-boxes {
  display: flex;
  align-items: stretch;
  gap: 6px;
}

.nav-box {
  flex: 1 1 0;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--fill-soft);
  padding: 13px 14px 14px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: var(--color-text);
  transition:
    background-color 0.22s ease,
    border-color 0.22s ease,
    transform 0.22s ease;
}
.nav-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 12% 0%, #14b8a638, transparent 52%);
  opacity: 0;
  transition: opacity 0.24s ease;
  pointer-events: none;
}
.nav-box:hover,
.nav-box:focus-visible {
  background: var(--fill-hover);
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
  color: var(--color-text);
}
.nav-box:hover::before,
.nav-box:focus-visible::before {
  opacity: 1;
}

.nav-box-head {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 9px;
}
.nav-box-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--fill-tile);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 600;
  transition:
    background-color 0.22s ease,
    color 0.22s ease,
    border-color 0.22s ease;
}
.nav-box:hover .nav-box-tile {
  background: #14b8a621;
  border-color: #14b8a64d;
  color: var(--color-primary);
}
.nav-box-featured {
  background: color-mix(
    in srgb,
    var(--color-primary) 10%,
    var(--color-surface)
  );
  border-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
}
.nav-box-featured .nav-box-tile {
  background: color-mix(in srgb, var(--color-primary) 22%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 50%, transparent);
  color: var(--color-primary);
}
.nav-box-featured .nav-box-label {
  color: var(--color-primary);
  font-weight: 650;
}
.nav-box-arrow {
  opacity: 0.22;
  font-size: 12px;
  transition:
    opacity 0.22s ease,
    transform 0.22s ease;
}
.nav-box:hover .nav-box-arrow {
  opacity: 0.8;
  transform: translate(1px, -1px);
}
.nav-box-label {
  position: relative;
  font-size: 13.5px;
  font-weight: 550;
  letter-spacing: -0.025em;
  line-height: 1.25;
}
.nav-box-description {
  position: relative;
  font-size: 11.5px;
  line-height: 1.4;
  letter-spacing: -0.005em;
  opacity: 0.48;
  color: var(--color-text);
}

@media (max-width: 900px) {
  :root {
    --chrome-stack: 114px;
  } /* 16 + hub 34 + gap 8 + nav 56 */
  .chrome-row {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .hub-link {
    order: -1;
    margin-top: 0;
    align-self: flex-start;
    height: 34px;
    padding: 0 12px;
    font-size: 11px;
    box-shadow: none;
  }
  .card-nav-container {
    width: 100%;
    max-width: none;
    flex: none;
  }
  .card-nav-cta {
    display: none;
  }
  .card-nav-actions {
    margin-left: auto;
  }

  .card-nav.open {
    border-radius: 999px;
    background: var(--nav-bg);
  }
  .card-nav-panel {
    left: 0;
    right: 0;
    transform: none;
    width: 100%;
    padding: 10px;
    border-radius: 16px;
    border-top: 1px solid var(--color-border);
  }
  .card-nav.open .card-nav-panel.is-active {
    animation: card-nav-panel-in-mobile 0.18s ease;
  }
  @keyframes card-nav-panel-in-mobile {
    from {
      opacity: 0;
      transform: translateY(-6px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  .card-nav-boxes {
    flex-direction: column;
    gap: 8px;
  }
  .nav-box {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "tile label arrow" "tile desc arrow";
    align-items: center;
    column-gap: 14px;
    row-gap: 4px;
    padding: 15px 14px;
    border-radius: 14px;
    background: var(--color-surface);
    border-color: var(--color-border-strong);
    min-height: 68px;
  }
  .nav-box-head {
    display: contents;
  }
  .nav-box-tile {
    grid-area: tile;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 13px;
  }
  .nav-box-arrow {
    grid-area: arrow;
    margin-top: 0;
    opacity: 0.55;
    font-size: 14px;
  }
  .nav-box-label {
    grid-area: label;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
  }
  .nav-box-description {
    grid-area: desc;
    font-size: 12.5px;
    line-height: 1.45;
    opacity: 0.78;
    color: var(--color-muted);
  }
}

@media (max-width: 768px) {
  :root {
    --chrome-stack: 110px;
  } /* 12 + hub 34 + gap 8 + nav 56 */
  .site-chrome {
    padding: 12px 12px 0;
  }
  .chrome-row {
    gap: 8px;
  }
  .card-nav-container {
    width: 100%;
    max-width: none;
  }

  .card-nav {
    height: 56px;
    border-radius: 18px;
  }
  .card-nav.open {
    border-radius: 18px;
  }

  .card-nav-top {
    height: 56px;
    gap: 4px;
    padding: 6px 6px 6px 10px;
  }

  .card-nav-logo {
    gap: 8px;
    font-size: 13px;
    flex: 0 0 auto;
    max-width: none;
  }
  .card-nav-logo > span:not(.brand-mark) {
    white-space: nowrap;
  }
  .card-nav-logo .brand-mark,
  .card-nav-logo .brand-mark img {
    width: 26px;
    height: 26px;
  }

  .card-nav-links {
    flex: 1 1 auto;
    justify-content: flex-end;
    gap: 0;
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    mask-image: linear-gradient(
      to right,
      transparent,
      #000 6px,
      #000 calc(100% - 6px),
      transparent
    );
  }
  .card-nav-links::-webkit-scrollbar {
    display: none;
  }

  .card-nav-trigger {
    padding: 7px 9px;
    font-size: 12px;
    gap: 4px;
    flex: 0 0 auto;
  }
  .card-nav-trigger-caret {
    border-left-width: 3px;
    border-right-width: 3px;
    border-top-width: 3.5px;
  }

  .card-nav-actions {
    gap: 0;
    margin-left: 0;
    padding-left: 2px;
    border-left: 1px solid var(--color-border);
  }
  .card-nav-icon-link,
  .theme-toggle {
    width: 34px;
    height: 34px;
  }

  .card-nav.open {
    border-radius: 18px;
  }
  .card-nav-panel {
    padding: 4px 10px 14px;
  }
  .card-nav-boxes {
    gap: 10px;
  }
  .nav-box {
    min-height: 68px;
    padding: 15px 14px;
  }
}

@media (max-width: 480px) {
  :root {
    --chrome-stack: 108px;
  } /* 12 + hub 32 + gap 8 + nav 56 */
  .card-nav-trigger {
    padding: 7px 8px;
  }
  .card-nav-trigger-caret {
    display: none;
  }
  .hub-link {
    height: 32px;
    padding: 0 10px;
    font-size: 11px;
  }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
  cursor: pointer;
}
.btn:hover {
  text-decoration: none;
  transform: scale(1.02);
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover {
  background: var(--color-primary-bright);
  color: var(--color-on-primary);
}
.btn-ghost {
  background: var(--fill-ghost);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.btn-ghost:hover {
  background: var(--fill-ghost-hover);
  color: var(--color-text);
}
.btn-block {
  width: 100%;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* Sections */

.section {
  padding: 96px 0;
  position: relative;
}
.section-alt {
  background:
    radial-gradient(ellipse 50% 55% at 80% 20%, #14b8a60f, transparent 65%),
    var(--color-bg);
}
.section-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 16px;
}
.section-lede {
  max-width: 58ch;
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-bottom: 40px;
}
.panel-lede {
  max-width: 68ch;
  color: var(--color-muted);
  margin: 22px 0 28px;
}

.hero {
  /* Pull hero wash under sticky chrome; padding keeps content position unchanged */
  margin-top: calc(-1 * var(--chrome-stack));
  padding: calc(var(--chrome-stack) + 72px) 0 56px;
  background:
    radial-gradient(ellipse 55% 80% at 50% 0%, #14b8a621, transparent 62%),
    linear-gradient(135deg, var(--hero-sheen), transparent 38%);
}
.hero-inner {
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 960px) {
  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0 0 18px;
}
.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 16px #14b8a699;
}
.hero h1 .line2 {
  color: var(--color-muted);
  font-weight: 400;
  display: block;
}
.lede {
  font-size: 1.08rem;
  max-width: 52ch;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 40px;
}
@media (min-width: 720px) {
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}
.stat {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 12px;
  padding: 16px 18px;
}
.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-dimmed);
}

.page-hero {
  /* Pull hero wash under sticky chrome; padding keeps content position unchanged */
  margin-top: calc(-1 * var(--chrome-stack));
  padding: calc(var(--chrome-stack) + 64px) 0 24px;
  background:
    radial-gradient(ellipse 55% 80% at 50% 0%, #14b8a621, transparent 62%),
    linear-gradient(135deg, var(--hero-sheen), transparent 38%);
}
.page-hero .section-lede {
  margin-bottom: 0;
}

/* Cards / grids */

.grid {
  display: grid;
  gap: 14px;
}
.grid-2 {
  grid-template-columns: 1fr;
}
.grid-3 {
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card,
.panel {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 0%, #14b8a61f, transparent 42%);
  pointer-events: none;
}
.card > * {
  position: relative;
}
.card h3 {
  margin-bottom: 0.4em;
}
.card p:last-child {
  margin-bottom: 0;
}
.card-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.card-accent {
  background: var(--color-elevated);
}

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}
.badge-progress {
  color: #6ee7b7;
  border-color: #6ee7b733;
  background: #6ee7b714;
}
.badge-planned {
  color: #fbbf24;
  border-color: #fbbf2433;
  background: #fbbf2414;
}
.badge-later {
  color: var(--color-dimmed);
}

/* Foundation / capabilities layout */

.split {
  display: grid;
  gap: 28px;
  align-items: start;
}
@media (min-width: 960px) {
  .split {
    grid-template-columns: 38% 1fr;
    gap: 40px;
  }
  .split-sticky {
    position: sticky;
    top: calc(var(--header-offset) + 12px);
  }
}

.cap-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 24px 0 0;
}
.cap-item {
  appearance: none;
  width: 100%;
  text-align: left;
  border: 1px solid var(--color-border);
  background: var(--fill-bar);
  color: var(--color-muted);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font: inherit;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}
.cap-item:hover {
  background: var(--fill-ghost);
  color: var(--color-text);
}
.cap-item.is-active {
  color: var(--color-text);
  border-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.cap-item .cap-file {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-dimmed);
}
.cap-item.is-active .cap-file {
  color: var(--color-primary);
}

.code-panel {
  border: 1px solid var(--color-border-strong);
  background: var(--color-elevated);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--terminal-shadow);
  min-height: 320px;
}
.code-panel-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  background: var(--fill-bar);
}
.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--dot-muted);
}
.code-panel-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-dimmed);
  letter-spacing: 0.04em;
}
.code-panel pre {
  margin: 0;
  padding: 18px 18px 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--color-code-fg);
  overflow-x: auto;
  white-space: pre;
  border: 0;
  background: transparent;
  border-radius: 0;
}
.code-panel-note {
  padding: 12px 18px 16px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-muted);
}

.terminal {
  border: 1px solid var(--color-border-strong);
  background: var(--color-elevated);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--terminal-shadow);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  background: var(--fill-bar);
}
.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-dimmed);
}
.terminal-body {
  margin: 0;
  padding: 18px 18px 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--color-code-fg);
  overflow-x: auto;
  white-space: pre;
}
.t-cmd {
  color: var(--color-primary);
}
.t-dim {
  color: var(--color-dimmed);
}
.t-ok {
  color: #6ee7b7;
}

.code-block {
  position: relative;
}
.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-muted);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 11px;
  font-family: var(--font-sans);
  cursor: pointer;
  z-index: 2;
}
.copy-btn:hover,
.copy-btn.is-copied {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

pre {
  margin: 0 0 1em;
  padding: 16px 18px;
  background: var(--color-elevated);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow-x: auto;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--color-code-fg);
}
pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
}

.code-line {
  opacity: 1;
}

/* Tabs */

.tabs {
  margin-top: 28px;
}
.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0;
}
.tab-btn {
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 1px solid transparent;
  margin-bottom: -1px;
  padding: 12px 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-dimmed);
  cursor: pointer;
}
.tab-btn:hover {
  color: var(--color-muted);
}
.tab-btn.is-active {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}
.tab-panel {
  display: none;
  padding-top: 22px;
}
.tab-panel.is-active {
  display: block;
}

/* Architecture stack */

.arch-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
}
.arch-tier {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 14px;
  padding: 16px 18px;
}
.arch-tier-core {
  border-color: color-mix(in srgb, var(--color-primary) 40%, transparent);
}
.arch-tier-you {
  background: var(--color-elevated);
}
.arch-tier-db {
  opacity: 0.9;
}
.arch-tier-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: baseline;
  margin-bottom: 10px;
}
.arch-tier-name {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}
.arch-tier-label {
  font-size: 13px;
  color: var(--color-dimmed);
}
.arch-tier-sub {
  font-size: 12px;
  color: var(--color-dimmed);
  margin-top: 8px;
}
.arch-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.arch-chips span {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--fill-ghost);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}
.arch-connector {
  display: flex;
  justify-content: center;
  padding: 8px 0;
  color: var(--color-dimmed);
  font-family: var(--font-mono);
  font-size: 11px;
}

/* Steps / flow / filters / modules */

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
}
.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  margin-bottom: 28px;
}
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 40%, transparent);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}
.step-body h3 {
  margin-top: 4px;
}

.flow-scroll {
  overflow-x: auto;
  padding-bottom: 8px;
}
.flow {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 8px;
  min-width: max-content;
}
.flow-step {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 12px;
  padding: 14px 16px;
  min-width: 120px;
  position: relative;
}
.flow-step:not(.is-end)::after {
  content: "→";
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-dimmed);
  font-size: 12px;
}
.flow-label {
  display: block;
  color: var(--color-text);
  font-weight: 600;
  font-size: 14px;
}
.flow-note {
  display: block;
  font-size: 11px;
  color: var(--color-dimmed);
  margin-top: 4px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 22px;
}
.chip {
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--fill-soft);
  color: var(--color-muted);
  border-radius: 999px;
  padding: 7px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.chip:hover {
  color: var(--color-text);
}
.chip.is-active {
  color: var(--color-on-primary);
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.filter-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-dimmed);
  margin-left: 6px;
}

.module {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 18px;
}
.module-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
}
.module-top h3 {
  font-family: var(--font-mono);
  font-size: 15px;
  margin: 0;
}
.module p {
  margin: 0;
  font-size: 0.94rem;
}
.empty-note {
  color: var(--color-dimmed);
}

/* Tables / editions / timeline / FAQ */

.table-scroll {
  overflow-x: auto;
}
.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}
.compare th,
.compare td {
  border-bottom: 1px solid var(--color-border);
  padding: 14px 12px;
  text-align: left;
  vertical-align: top;
}
.compare thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-dimmed);
  font-weight: 500;
}
.compare tbody th {
  color: var(--color-text);
  font-weight: 600;
  white-space: nowrap;
}
.compare td {
  color: var(--color-muted);
}

.editions {
  display: grid;
  gap: 14px;
}
@media (min-width: 800px) {
  .editions {
    grid-template-columns: 1fr 1fr;
  }
}
.edition {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.edition-featured {
  border-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
  background:
    radial-gradient(circle at 80% 0%, #14b8a61f, transparent 45%),
    var(--color-elevated);
}
.edition-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.edition-price {
  font-size: 1.35rem;
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.edition-note {
  font-size: 0.95rem;
}
.edition-list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  flex: 1;
}
.edition-list li {
  padding: 8px 0 8px 22px;
  position: relative;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
}
.edition-list li::before {
  position: absolute;
  left: 0;
  font-weight: 700;
}
.edition-list li.yes::before {
  content: "✓";
  color: var(--color-primary);
}
.edition-list li.plus::before {
  content: "+";
  color: #fbbf24;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
}
.tl-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 16px;
  padding-bottom: 28px;
  position: relative;
}
.tl-item:not(:last-child) .tl-marker::after {
  content: "";
  position: absolute;
  top: 22px;
  left: 11px;
  width: 1px;
  height: calc(100% - 10px);
  background: var(--color-border);
}
.tl-marker {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-border-strong);
  background: var(--color-bg);
  position: relative;
  margin-top: 4px;
}
.tl-done .tl-marker,
.tl-current .tl-marker {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 25%, transparent);
}
.tl-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}
.tl-head h3 {
  margin: 0;
}
.meter {
  height: 4px;
  background: var(--fill-active);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 12px;
  max-width: 240px;
}
.meter-fill {
  display: block;
  height: 100%;
  background: var(--color-primary);
  border-radius: inherit;
}
.meter-done {
  background: #6ee7b7;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  margin-bottom: 8px;
  overflow: hidden;
}
.faq-q {
  width: 100%;
  appearance: none;
  background: none;
  border: 0;
  text-align: left;
  padding: 16px 18px;
  font: inherit;
  font-weight: 550;
  color: var(--color-text);
  cursor: pointer;
  letter-spacing: -0.02em;
}
.faq-q::after {
  content: "+";
  float: right;
  color: var(--color-dimmed);
  font-weight: 400;
}
.faq-item.is-open .faq-q::after {
  content: "−";
}
.faq-a {
  display: none;
  padding: 0 18px 16px;
}
.faq-item.is-open .faq-a {
  display: block;
}
.faq-a p {
  margin: 0;
}

.gaps {
  margin-top: 28px;
  padding: 20px;
  border-radius: 14px;
  border: 1px solid #fbbf2433;
  background: #fbbf2410;
}
.gaps h3 {
  margin-bottom: 8px;
}
.gaps ul {
  margin-bottom: 0;
}

.notice {
  margin-top: 28px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid #14b8a645;
  background: #14b8a614;
  color: var(--color-muted);
  font-size: 0.95rem;
}
.notice strong {
  color: var(--color-text);
}

/* Footer / CTA */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 28px;
  margin-top: 40px;
  background: var(--color-elevated);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
}
.footer-brand {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 360px;
}
.footer-brand .brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.footer-brand .brand-mark img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}
.footer-brand strong {
  display: block;
  margin-bottom: 4px;
}
.footer-brand p {
  margin: 0;
  font-size: 0.92rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  font-size: 13px;
  color: var(--color-muted);
}
.footer-links a:hover {
  color: var(--color-text);
}
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  font-size: 12px;
  color: var(--color-dimmed);
}
.footer-bottom p {
  margin: 0;
  color: inherit;
}

.cta {
  padding: 88px 0;
  text-align: center;
  background: radial-gradient(50% 60% at 50% 30%, #14b8a619, transparent 60%);
}
.cta p {
  max-width: 48ch;
  margin: 0 auto 1.4em;
}
.cta .hero-actions {
  justify-content: center;
}

.install-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  border-radius: 16px;
  padding: 16px 18px;
  margin-top: 28px;
}
.install-bar-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-dimmed);
  margin-bottom: 6px;
}
.install-bar code {
  font-size: 13px;
  background: none;
  border: 0;
  padding: 0;
  color: var(--color-text);
}

.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 50;
}
.to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

.heading-anchor {
  margin-left: 8px;
  color: var(--color-dimmed);
  font-weight: 400;
  opacity: 0;
  transition: opacity 0.15s ease;
}
h2:hover .heading-anchor {
  opacity: 1;
}