:root {
  --bg: #0c1324;
  --bg-soft: #11192c;
  --panel: rgba(25, 31, 49, 0.84);
  --panel-strong: #151b2d;
  --panel-elevated: #23293c;
  --line: rgba(62, 72, 79, 0.75);
  --line-soft: rgba(220, 225, 251, 0.08);
  --text: #dce1fb;
  --muted: #9ca7c4;
  --muted-strong: #bec6e0;
  --primary: #8ed5ff;
  --primary-strong: #38bdf8;
  --primary-deep: #004965;
  --tertiary: #aadd51;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(56, 189, 248, 0.14), transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(170, 221, 81, 0.08), transparent 18%),
    linear-gradient(180deg, #0c1324 0%, #0a1020 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-shell {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  backdrop-filter: blur(22px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: linear-gradient(180deg, #38bdf8 0%, #0e7fbc 100%);
  color: #001e2c;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  letter-spacing: -0.1em;
  box-shadow: 0 18px 34px rgba(56, 189, 248, 0.24);
}

.brand-copy strong,
.footer-brand strong {
  display: block;
  font-family: "Manrope", sans-serif;
  font-size: 1rem;
}

.brand-copy small,
.footer-brand small,
.footer-note {
  color: var(--muted);
  font-size: 0.82rem;
}

.nav-links,
.top-actions,
.hero-actions,
.footer-links,
.surface-status,
.chip-row,
.answer-actions {
  display: flex;
  align-items: center;
}

.nav-links {
  gap: 1.4rem;
}

.nav-links a,
.footer-links a {
  color: var(--muted-strong);
  font-size: 0.95rem;
  transition: color 180ms ease, transform 180ms ease;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--primary);
  transform: translateY(-1px);
}

.top-actions {
  gap: 0.8rem;
}

.button {
  min-height: 2.9rem;
  padding: 0.82rem 1.2rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.button:hover,
.download-card:hover,
.capability-card:hover,
.signal-card:hover,
.metric-card:hover,
.surface-card:hover {
  transform: translateY(-2px);
}

.button.solid {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #001e2c;
  box-shadow: 0 16px 30px rgba(56, 189, 248, 0.25);
}

.button.solid:hover {
  box-shadow: 0 20px 38px rgba(56, 189, 248, 0.3);
}

.button.ghost {
  background: rgba(21, 27, 45, 0.72);
  color: var(--text);
  border: 1px solid var(--line);
}

.button.ghost:hover {
  border-color: rgba(142, 213, 255, 0.35);
  background: rgba(35, 41, 60, 0.88);
}

.button.large {
  min-height: 3.35rem;
  padding: 0.95rem 1.5rem;
}

.hero,
.platform-section,
.assistant-section,
.downloads-section {
  position: relative;
  padding: 4.25rem 0;
}

.hero {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1.1fr);
  gap: 2.2rem;
  align-items: center;
}

.eyebrow,
.section-kicker,
.signal-label,
.surface-label,
.download-platform {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  color: var(--tertiary);
  background: rgba(21, 27, 45, 0.84);
  border: 1px solid rgba(170, 221, 81, 0.16);
  font-size: 0.74rem;
  font-weight: 700;
}

.eyebrow-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--tertiary);
  box-shadow: 0 0 16px rgba(170, 221, 81, 0.58);
  animation: pulse 2.6s ease-in-out infinite;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Manrope", sans-serif;
  letter-spacing: -0.05em;
}

h1 {
  margin-top: 1.3rem;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.95;
  max-width: 10ch;
}

h1 span {
  display: block;
  color: var(--primary);
}

h2 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1;
}

h3 {
  font-size: 1.2rem;
}

.hero-copy p,
.section-heading p,
.assistant-copy p,
.download-card p,
.signal-card p,
.capability-card p,
.metric-card span,
.surface-primary p,
.surface-card span,
.footer-note {
  color: var(--muted);
  line-height: 1.75;
}

.hero-copy p {
  max-width: 41rem;
  font-size: 1.07rem;
  margin: 1.4rem 0 0;
}

.hero-actions {
  gap: 0.85rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero-metrics {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.metric-card,
.capability-card,
.signal-card,
.surface-card,
.download-card,
.assistant-panel,
.control-surface {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 1rem 1rem 1.05rem;
  border-radius: var(--radius-md);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.metric-card:hover {
  border-color: rgba(142, 213, 255, 0.28);
  background: rgba(35, 41, 60, 0.9);
}

.metric-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.98rem;
}

.control-surface {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(17, 25, 44, 0.98) 0%, rgba(10, 16, 32, 0.98) 100%);
}

.control-surface::after {
  content: "";
  position: absolute;
  inset: auto auto -20% -15%;
  width: 52%;
  height: 52%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.18), transparent 68%);
  pointer-events: none;
}

.surface-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(35, 41, 60, 0.78);
}

.surface-lights {
  display: flex;
  gap: 0.45rem;
}

.surface-lights span {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: rgba(220, 225, 251, 0.22);
}

.surface-label {
  color: rgba(220, 225, 251, 0.52);
  font-size: 0.68rem;
}

.surface-body {
  padding: 1.2rem;
  display: grid;
  gap: 1rem;
}

.surface-primary {
  padding: 1.4rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(35, 41, 60, 0.98), rgba(18, 30, 50, 0.98));
  border: 1px solid rgba(142, 213, 255, 0.12);
  position: relative;
  overflow: hidden;
}

.surface-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(142, 213, 255, 0.08), transparent);
  transform: translateX(-100%);
  animation: sweep 7.5s ease-in-out infinite;
}

.surface-status,
.chip-row,
.answer-actions {
  gap: 0.55rem;
  flex-wrap: wrap;
}

.status-pill,
.chip-row span,
.answer-actions span {
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
}

.status-pill.live {
  background: rgba(170, 221, 81, 0.14);
  color: var(--tertiary);
}

.status-pill.build {
  background: rgba(142, 213, 255, 0.12);
  color: var(--primary);
}

.surface-primary h2 {
  margin-top: 1rem;
  font-size: clamp(2rem, 4vw, 3rem);
}

.surface-primary p {
  max-width: 38rem;
  margin: 0.8rem 0 0;
}

.chip-row {
  margin-top: 1rem;
}

.chip-row span {
  background: rgba(220, 225, 251, 0.08);
  color: var(--muted-strong);
}

.surface-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.surface-card {
  padding: 1.15rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(25, 31, 49, 0.95), rgba(18, 24, 40, 0.95));
  transition: transform 180ms ease, border-color 180ms ease;
}

.surface-card:hover {
  border-color: rgba(142, 213, 255, 0.28);
}

.card-icon {
  width: 2.4rem;
  height: 2.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--primary);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.surface-card strong,
.download-card strong,
.signal-card strong {
  display: block;
  margin-bottom: 0.45rem;
}

.surface-terminal {
  grid-column: span 2;
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  background: linear-gradient(180deg, #070d1f 0%, #10192b 100%);
  border: 1px solid rgba(142, 213, 255, 0.08);
}

.terminal-line {
  color: #dce1fb;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.92rem;
  line-height: 1.8;
}

.terminal-line.ok {
  color: var(--primary);
}

.section-heading {
  max-width: 50rem;
  margin-bottom: 1.5rem;
}

.section-kicker {
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.section-kicker.accent {
  color: var(--tertiary);
}

.section-heading p {
  max-width: 42rem;
  margin-top: 1rem;
}

.capability-grid,
.download-grid,
.signal-band,
.assistant-section {
  display: grid;
  gap: 1rem;
}

.capability-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.capability-card {
  padding: 1.3rem;
  border-radius: var(--radius-lg);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.capability-card:hover,
.signal-card:hover,
.download-card:hover {
  border-color: rgba(142, 213, 255, 0.3);
  background: rgba(35, 41, 60, 0.95);
}

.capability-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(142, 213, 255, 0.1);
  color: var(--primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.capability-card h3,
.signal-card strong {
  margin-bottom: 0.55rem;
}

.signal-band {
  margin-top: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.signal-card {
  padding: 1.15rem;
  border-radius: var(--radius-lg);
}

.signal-label {
  display: inline-block;
  margin-bottom: 0.7rem;
  font-size: 0.72rem;
  color: var(--primary);
}

.assistant-section {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
}

.assistant-copy p {
  margin-top: 1rem;
  max-width: 38rem;
}

.assistant-list {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.assistant-list li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--muted-strong);
  line-height: 1.7;
}

.assistant-list li::before {
  content: "";
  position: absolute;
  top: 0.62rem;
  left: 0;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 14px rgba(142, 213, 255, 0.46);
}

.assistant-panel {
  padding: 1.2rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(21, 27, 45, 0.96), rgba(10, 16, 32, 0.98));
}

.assistant-head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
}

.assistant-avatar {
  width: 2.8rem;
  height: 2.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(142, 213, 255, 0.12);
  color: var(--primary);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.assistant-head small {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
}

.assistant-chat {
  margin-top: 1rem;
  display: grid;
  gap: 0.9rem;
}

.chat-bubble {
  max-width: 88%;
  padding: 1rem;
  border-radius: 18px;
  line-height: 1.75;
}

.chat-bubble.question {
  background: rgba(35, 41, 60, 0.92);
  color: var(--text);
}

.chat-bubble.answer {
  justify-self: end;
  background: linear-gradient(180deg, rgba(20, 31, 50, 0.96), rgba(15, 24, 40, 0.96));
  border: 1px solid rgba(170, 221, 81, 0.12);
  color: var(--muted-strong);
}

.answer-actions {
  margin-top: 1rem;
}

.answer-actions span {
  background: rgba(220, 225, 251, 0.08);
  color: var(--text);
}

.downloads-section .narrow {
  max-width: 42rem;
}

.download-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.download-card {
  padding: 1.35rem;
  border-radius: var(--radius-lg);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
  position: relative;
  overflow: visible;
  z-index: 1;
}

.download-card.grouped {
  display: grid;
  align-content: start;
}

.download-card::after {
  content: "";
  position: absolute;
  inset: auto auto -30% -10%;
  width: 115%;
  height: 60%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.14), transparent 62%);
  pointer-events: none;
}

.download-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.download-title-block,
.download-heading-copy {
  display: flex;
  align-items: center;
}

.download-title-block {
  gap: 0.9rem;
}

.download-heading-copy {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
}

.download-icon {
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: rgba(142, 213, 255, 0.1);
  border: 1px solid rgba(142, 213, 255, 0.16);
}

.download-icon svg {
  width: 1.45rem;
  height: 1.45rem;
  fill: var(--primary);
}

.download-platform {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
}

.download-card strong {
  margin-top: 0;
  font-size: 1.45rem;
}

.download-card p {
  margin: 0.95rem 0 0;
  min-height: 3.4rem;
}

.download-state {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.68rem;
  border-radius: 999px;
  background: rgba(220, 225, 251, 0.05);
  border: 1px solid rgba(142, 213, 255, 0.12);
  color: var(--muted-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #001e2c;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 14px 28px rgba(56, 189, 248, 0.2);
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.download-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(56, 189, 248, 0.28);
}

.arch-hints,
.download-actions-menu {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.arch-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(142, 213, 255, 0.12);
  background: rgba(220, 225, 251, 0.04);
  color: var(--muted-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.arch-chip.active {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(142, 213, 255, 0.28);
  color: var(--primary);
}

.download-menu {
  position: relative;
  z-index: 8;
}

.download-menu summary {
  list-style: none;
  cursor: pointer;
  min-height: 2.6rem;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(142, 213, 255, 0.3);
  background: rgba(56, 189, 248, 0.12);
  color: var(--primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 1px rgba(142, 213, 255, 0.05);
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.download-menu[open] summary,
.download-menu summary:hover {
  transform: translateY(-1px);
  border-color: rgba(142, 213, 255, 0.42);
  background: rgba(56, 189, 248, 0.18);
  color: #dff3ff;
}

.menu-panel {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  width: min(22rem, calc(100vw - 3rem));
  display: grid;
  gap: 0.45rem;
  padding: 0.7rem;
  border-radius: 18px;
  border: 1px solid rgba(142, 213, 255, 0.16);
  background: rgba(21, 27, 45, 0.98);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.34);
  z-index: 20;
}

.menu-item {
  display: grid;
  gap: 0.12rem;
  padding: 0.8rem 0.85rem;
  border-radius: 14px;
  border: 1px solid transparent;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.menu-item:hover {
  transform: translateY(-1px);
  border-color: rgba(142, 213, 255, 0.18);
  background: rgba(220, 225, 251, 0.05);
}

.menu-item span {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
}

.menu-item small {
  color: var(--muted);
  line-height: 1.5;
}

.footer {
  padding: 1.4rem 0 2rem;
  margin-top: 1rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-mark {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 16px;
}

.footer-links {
  gap: 1.1rem;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.72;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.14);
  }
}

@keyframes sweep {
  0% {
    transform: translateX(-120%) skewX(-20deg);
  }

  45%,
  100% {
    transform: translateX(220%) skewX(-20deg);
  }
}

@media (max-width: 1100px) {
  .hero,
  .assistant-section {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 1rem;
  }

  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .download-grid,
  .signal-band,
  .hero-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .site-shell {
    width: min(calc(100% - 1.2rem), var(--max));
  }

  .topbar,
  .nav-links,
  .top-actions,
  .hero-actions {
    width: 100%;
  }

  .topbar,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links,
  .top-actions {
    flex-wrap: wrap;
  }

  .nav-links {
    justify-content: space-between;
    gap: 0.8rem;
  }

  .hero,
  .platform-section,
  .assistant-section,
  .downloads-section {
    padding: 3rem 0;
  }

  h1 {
    font-size: 2.8rem;
    max-width: 11ch;
  }

  h2 {
    font-size: 2.1rem;
  }

  .hero-copy p {
    max-width: 100%;
  }

  .surface-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .surface-terminal {
    grid-column: span 1;
  }
}

@media (max-width: 560px) {
  .brand-copy small,
  .nav-links {
    display: none;
  }

  .brand-copy strong,
  .footer-brand strong {
    font-size: 0.92rem;
  }

  .button,
  .button.large {
    width: 100%;
  }

  .hero-actions,
  .top-actions {
    width: 100%;
  }

  .top-actions {
    gap: 0.65rem;
  }

  .topbar {
    padding: 0.9rem 0;
  }

  .hero {
    min-height: auto;
    gap: 1.5rem;
    padding: 2.3rem 0 2.6rem;
  }

  .hero-metrics {
    margin-top: 1.2rem;
  }

  .hero-copy p,
  .section-heading p,
  .assistant-copy p,
  .signal-card p,
  .capability-card p,
  .download-card p {
    font-size: 0.96rem;
  }

  .metric-card,
  .capability-card,
  .signal-card,
  .download-card,
  .surface-card,
  .surface-primary,
  .assistant-panel {
    padding: 1rem;
  }

  .surface-bar,
  .surface-body {
    padding: 0.95rem;
  }

  .surface-primary {
    padding: 1rem;
  }

  .control-surface {
    border-radius: 22px;
  }

  .surface-primary h2 {
    font-size: 1.7rem;
  }

  .terminal-line {
    font-size: 0.84rem;
    line-height: 1.65;
  }

  .download-card strong {
    font-size: 1.24rem;
  }

  .download-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .download-state {
    margin-top: 0.2rem;
  }

  .footer {
    padding-bottom: 1.4rem;
  }

  .footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 0.6rem;
  }

  .footer-note {
    font-size: 0.78rem;
  }
}

@media (max-width: 420px) {
  .site-shell {
    width: min(calc(100% - 1rem), var(--max));
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.82rem;
  }

  .brand-mark {
    width: 2.65rem;
    height: 2.65rem;
    border-radius: 16px;
  }

  .metric-card,
  .capability-card,
  .signal-card,
  .download-card,
  .surface-card,
  .surface-primary,
  .assistant-panel,
  .chat-bubble {
    padding: 0.92rem;
  }

  .surface-bar,
  .surface-body {
    padding: 0.82rem;
  }

  .assistant-avatar,
  .download-icon {
    width: 2.65rem;
    height: 2.65rem;
  }

  .download-icon svg {
    width: 1.25rem;
    height: 1.25rem;
  }

  .download-actions-menu {
    align-items: stretch;
  }

  .download-menu,
  .download-menu summary {
    width: 100%;
  }

  .menu-panel {
    position: static;
    width: 100%;
    margin-top: 0.55rem;
  }
}