@font-face {
  font-family: "Geist";
  src: url("./assets/fonts/Geist-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("./assets/fonts/GeistMono-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #131313;
  --canvas: #0e0e0e;
  --surface: #111827;
  --title-bar: #201f1f;
  --secondary: #2a2a2a;
  --accent: #06b6d4;
  --accent-bright: #4cd7f6;
  --headline: #e5e2e1;
  --body: #bcc9cd;
  --border: #3d494c;
  --border-muted: #1f2937;
  --preview-bg: #141520;
  --preview-panel: #1e1e2e;
  --preview-popup: #1e2235;
  --preview-border: #2d3250;
  --preview-muted: #6b7a99;
  --shell-width: 920px;
  --page-gutter: 24px;
  --transition-fast: 150ms;
  --sans: "Geist", system-ui, sans-serif;
  --mono:
    "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
}

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

html {
  background: var(--bg);
}

body {
  min-height: calc(100vh - 4px);
  margin: 0;
  color: var(--headline);
  background-color: var(--bg);
  background-image: radial-gradient(rgb(6 182 212 / 2.5%) 1px, transparent 1px);
  background-size: 24px 24px;
  font-family: var(--sans);
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
}

a:focus-visible {
  border-radius: 2px;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

svg {
  display: block;
}

.shell {
  width: min(100%, var(--shell-width));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.site-header {
  flex: 0 0 64px;
  height: 64px;
  border-bottom: 1px solid var(--border);
}

.header-inner,
.footer-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand-accent {
  color: var(--accent);
}

.brand-icon path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-icon ellipse {
  fill: var(--accent);
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  color: var(--body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--transition-fast) ease-out;
}

nav a:hover,
nav a:focus-visible {
  color: var(--accent-bright);
}

main {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
}

.main-inner {
  padding-block: 32px 40px;
}

.terminal {
  min-width: 0;
  overflow: hidden;
  background: var(--canvas);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.terminal-bar {
  height: 40px;
  padding-inline: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--title-bar);
  border-bottom: 1px solid var(--border);
}

.window-controls {
  display: flex;
  gap: 6px;
}

.window-controls i {
  width: 11px;
  height: 11px;
  display: block;
  border-radius: 50%;
  background: #3d3d3d;
}

.terminal-title,
.technical-label {
  color: var(--body);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.04em;
  opacity: 0.6;
}

.terminal-body {
  --terminal-padding: clamp(20px, 4.8vw, 44px);
  padding: calc(var(--terminal-padding) + 3px) var(--terminal-padding)
    calc(var(--terminal-padding) + 11px);
}

.hero-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 54fr) minmax(0, 46fr);
  align-items: center;
  gap: 44px;
}

.product-overview,
.preview-section {
  min-width: 0;
}

.product-icon {
  margin-bottom: 18px;
}

.product-icon rect {
  fill: var(--surface);
  stroke: var(--border);
}

.product-icon path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.product-icon ellipse {
  fill: var(--accent);
}

.product-icon .muted-stroke {
  stroke: var(--border);
  stroke-width: 1;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1 {
  max-width: 100%;
  margin: 0 0 16px;
  color: var(--headline);
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 780;
  letter-spacing: -0.025em;
  line-height: 1.15;
  text-wrap: balance;
}

.hero-copy {
  margin: 0 0 28px;
  color: var(--body);
  font-size: 15px;
  line-height: 1.65;
  text-wrap: pretty;
}

.cta-group {
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.button {
  min-width: 0;
  height: 42px;
  padding-inline: 16px;
  display: inline-flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-align: center;
  text-decoration: none;
  transition:
    border-color var(--transition-fast) ease-out,
    color var(--transition-fast) ease-out;
}

.button svg,
.installation-link svg {
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  color: var(--accent);
  background: var(--surface);
  border-color: var(--accent);
}

.button-primary:hover,
.button-primary:focus-visible {
  color: var(--accent-bright);
  border-color: var(--accent-bright);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: var(--headline);
  border-color: var(--body);
}

.installation-link {
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--body);
  font-size: 12px;
  text-decoration: none;
  transition: color var(--transition-fast) ease-out;
}

.installation-link:hover,
.installation-link:focus-visible {
  color: var(--accent-bright);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.badges > span {
  padding: 3px 8px;
  display: inline-block;
  color: var(--accent);
  background: var(--surface);
  border: 1px solid var(--border-muted);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: normal;
  text-transform: uppercase;
}

.badges small {
  margin-left: 4px;
  color: var(--body);
  font-family: var(--mono);
  font-size: 11px;
  opacity: 0.5;
}

.technical-label {
  margin: 0 0 8px;
  font-size: 10px;
  letter-spacing: 0.1em;
  line-height: normal;
  text-transform: uppercase;
}

.plasma-preview {
  width: 100%;
  max-width: 380px;
  overflow: hidden;
  background: #1a1e2a;
  border: 1px solid var(--border);
  border-radius: 5px;
}

.plasma-panel {
  height: 38px;
  padding-inline: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--preview-panel);
  border-bottom: 1px solid var(--preview-border);
}

.mock-icons,
.system-tray {
  display: flex;
  gap: 4px;
  flex: 0 0 auto;
}

.mock-icons {
  gap: 6px;
}

.mock-icons i {
  width: 20px;
  height: 20px;
  display: block;
  border-radius: 4px;
  background: var(--preview-border);
  opacity: 0.7;
}

.panel-spacer {
  flex: 1 1 0;
  min-width: 0;
}

.panel-applet {
  min-width: 0;
  max-width: 180px;
  padding: 3px 8px;
  display: flex;
  align-items: center;
  gap: 5px;
  overflow: hidden;
  color: var(--accent-bright);
  background: rgb(6 182 212 / 8%);
  border: 1px solid rgb(6 182 212 / 30%);
  border-radius: 3px;
  font-size: 11px;
  white-space: nowrap;
}

.panel-applet svg {
  flex: 0 0 auto;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linecap: round;
}

.panel-applet ellipse {
  fill: var(--accent);
}

.panel-applet span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.system-tray i {
  width: 16px;
  height: 16px;
  display: block;
  border-radius: 2px;
  background: var(--preview-border);
  opacity: 0.6;
}

.system-tray span {
  color: var(--preview-muted);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 16px;
}

.desktop-area {
  min-height: 60px;
  padding: 12px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  background: var(--preview-bg);
}

.lyric-popup {
  width: 210px;
  min-height: 209px;
  flex: 0 0 auto;
  padding: 12px;
  background: var(--preview-popup);
  border: 1px solid var(--preview-border);
  border-radius: 4px;
}

.connection-status {
  margin-bottom: 8px;
  padding-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--preview-muted);
  border-bottom: 1px solid #252840;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.connection-status i {
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #22c55e;
}

.track-info {
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.track-info strong {
  font-size: 11px;
  font-weight: 600;
}

.track-info span {
  color: var(--preview-muted);
  font-size: 10px;
}

.lyric-lines {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lyric-lines > * {
  min-height: 14px;
  padding-left: 8px;
  display: flex;
  align-items: center;
  color: #4d5e6e;
  font-size: 10px;
  font-weight: 400;
  line-height: 1.4;
}

.lyric-lines strong {
  min-height: 16px;
  position: relative;
  color: var(--accent-bright);
  font-size: 11px;
  font-weight: 600;
}

.lyric-lines strong::before {
  width: 2px;
  height: 16px;
  position: absolute;
  left: 0;
  content: "";
  background: var(--accent);
  border-radius: 1px;
}

.lyric-lines .lyric-muted {
  color: #3d4d5c;
}

.popup-note {
  margin-top: 10px;
  padding-top: 8px;
  color: #3d4d5c;
  border-top: 1px solid #252840;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.architecture {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.architecture ol {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  list-style: none;
}

.architecture li {
  min-width: 160px;
  display: flex;
  flex: 1 1 0;
  align-items: flex-start;
  gap: 7px;
}

.architecture li:not(:last-child)::after {
  width: 28px;
  height: 10px;
  margin: 4px 12px 0;
  flex: 0 0 auto;
  content: "";
  background:
    no-repeat center / contain
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='10' viewBox='0 0 28 10' fill='none'%3E%3Cpath d='M0 5h22' stroke='%2306b6d4' stroke-dasharray='3 2'/%3E%3Cpath d='m20 2 6 3-6 3' stroke='%2306b6d4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.architecture svg {
  flex: 0 0 auto;
  fill: none;
  stroke: var(--border);
}

.architecture svg path,
.architecture svg circle,
.architecture svg rect + rect {
  stroke: var(--accent);
}

.architecture li > span {
  min-width: 0;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 4px;
}

.architecture strong {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 16px;
}

.architecture small {
  color: var(--body);
  font-size: 11px;
  line-height: normal;
  opacity: 0.7;
}

.architecture p {
  margin: 14px 0 0;
  color: var(--body);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  opacity: 0.6;
}

.site-footer {
  min-height: 68px;
  flex: 0 0 68px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  min-height: 68px;
  gap: 12px;
  color: var(--body);
  font-size: 12px;
}

.footer-inner > span,
.footer-inner > div,
.footer-inner > div > a {
  opacity: 0.6;
}

.footer-inner > div {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-inner a {
  text-decoration: underline;
  transition:
    color var(--transition-fast) ease-out,
    opacity var(--transition-fast) ease-out;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: var(--accent-bright);
  opacity: 1;
}

@media (max-width: 700px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .preview-section {
    overflow: hidden;
  }

  .architecture ol {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .architecture li {
    width: 100%;
    min-width: 0;
    flex: none;
  }

  .architecture li:not(:last-child)::after {
    margin-left: auto;
  }
}

@media (min-width: 481px) and (max-width: 800px) {
  .terminal-body {
    padding-bottom: calc(var(--terminal-padding) + 16px);
  }
}

@media (max-width: 480px) {
  :root {
    --page-gutter: 24px;
  }

  .site-header {
    height: 56px;
    flex-basis: 56px;
  }

  nav {
    gap: 28px;
  }

  .main-inner {
    padding-block: 32px 40px;
  }

  .terminal-body {
    padding: 23px 20px 27px;
  }

  .cta-group {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    min-height: 44px;
    flex: none;
  }

  .footer-inner {
    padding-block: 13px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

@media (max-width: 340px) {
  .terminal-body {
    padding-bottom: 31px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition: none;
    animation: none;
  }
}