:root {
  --bg: #0f1518;
  --bg-elevated: #162126;
  --bg-soft: #1d2b31;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --line: rgba(194, 220, 227, 0.16);
  --text: #edf6f7;
  --muted: #9cb4ba;
  --accent: #7ce0d0;
  --accent-strong: #54c7b4;
  --accent-warm: #f8d28a;
  --danger: #ff957f;
  --success: #86e7ad;
  --shadow: 0 20px 50px rgba(3, 7, 8, 0.35);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1180px;
  --font-body: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  --font-heading: "Gill Sans", "Avenir Next", "Trebuchet MS", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(124, 224, 208, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(248, 210, 138, 0.1), transparent 20%),
    linear-gradient(180deg, #111a1f 0%, var(--bg) 35%, #0c1113 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("/assets/patterns/audio-pattern.svg");
  background-repeat: repeat;
  background-size: 300px;
  opacity: 0.3;
  pointer-events: none;
  z-index: -1;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: #b6f4ea;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(124, 224, 208, 0.45);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--accent);
  color: #081012;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  z-index: 1000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(8, 13, 15, 0.72);
  border-bottom: 1px solid rgba(194, 220, 227, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 78px;
}

.site-header__group {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.03em;
}

.brand__mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(124, 224, 208, 0.28), rgba(84, 199, 180, 0.08)),
    #0c1316;
  border: 1px solid rgba(124, 224, 208, 0.28);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav__link {
  padding: 0.8rem 1rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.98rem;
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  background: rgba(124, 224, 208, 0.12);
  color: var(--text);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  padding: 0.7rem 0.85rem;
  border-radius: 14px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem;
  border: 1px solid rgba(194, 220, 227, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
}

.lang-switch__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 36px;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lang-switch__link:hover,
.lang-switch__link[aria-current="true"] {
  background: rgba(124, 224, 208, 0.14);
  color: var(--text);
}

main {
  padding: 2rem 0 4rem;
}

.hero,
.page-hero {
  padding: clamp(2.5rem, 8vw, 6rem) 0 2rem;
}

.hero__grid,
.page-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid rgba(124, 224, 208, 0.2);
  background: rgba(124, 224, 208, 0.08);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.92rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.7rem, 8vw, 5rem);
  max-width: 12ch;
}

h2 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h3 {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
}

.hero p,
.page-hero p,
.section-intro,
.lede {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--muted);
  max-width: 60ch;
}

.page-hero__copy {
  min-width: 0;
}

.hero-visual {
  position: relative;
  min-height: 100%;
  padding: 1.4rem;
  border-radius: 30px;
  border: 1px solid rgba(194, 220, 227, 0.14);
  background:
    radial-gradient(circle at top right, rgba(124, 224, 208, 0.16), transparent 34%),
    radial-gradient(circle at bottom left, rgba(248, 210, 138, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
  overflow: hidden;
  isolation: isolate;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 999px;
  z-index: -1;
}

.hero-visual::before {
  width: 220px;
  height: 220px;
  top: -70px;
  right: -60px;
  background: radial-gradient(circle, rgba(124, 224, 208, 0.22), transparent 70%);
}

.hero-visual::after {
  width: 180px;
  height: 180px;
  left: -40px;
  bottom: -70px;
  background: radial-gradient(circle, rgba(248, 210, 138, 0.14), transparent 72%);
}

.hero-visual__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.hero-visual__label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(124, 224, 208, 0.18);
  background: rgba(124, 224, 208, 0.08);
  color: var(--accent);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-visual__hint {
  color: rgba(237, 246, 247, 0.72);
  font-size: 0.9rem;
}

.tool-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.tool-preview-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  min-height: 104px;
  padding: 0.95rem;
  border-radius: 22px;
  border: 1px solid rgba(194, 220, 227, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  color: var(--text);
  backdrop-filter: blur(16px);
  transition: transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease, box-shadow 0.22s ease;
}

.tool-preview-card:hover {
  transform: translateY(-3px);
  border-color: rgba(124, 224, 208, 0.24);
  box-shadow: 0 16px 32px rgba(3, 7, 8, 0.24);
}

.tool-preview-card[aria-current="page"] {
  background:
    radial-gradient(circle at top right, rgba(124, 224, 208, 0.16), transparent 50%),
    linear-gradient(180deg, rgba(124, 224, 208, 0.16), rgba(255, 255, 255, 0.05));
  border-color: rgba(124, 224, 208, 0.34);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 30px rgba(7, 18, 20, 0.24);
}

.tool-preview-card[aria-current="page"] .tool-preview-status {
  color: var(--accent);
}

.tool-preview-card__icon {
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(124, 224, 208, 0.14);
  background: rgba(8, 13, 15, 0.42);
  color: var(--accent);
}

.tool-preview-card__icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tool-preview-card__body {
  min-width: 0;
}

.tool-preview-card__title {
  display: block;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.3rem;
}

.tool-preview-card__meta,
.tool-preview-status {
  display: block;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.35;
}

.hero-visual__footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(194, 220, 227, 0.1);
  display: grid;
  gap: 0.65rem;
}

.hero-visual__footer-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.hero-visual__footer-copy {
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 34ch;
}

.equalizer {
  display: flex;
  align-items: end;
  gap: 0.45rem;
  height: 68px;
}

.equalizer span {
  width: 10px;
  border-radius: 999px 999px 4px 4px;
  background: linear-gradient(180deg, rgba(170, 243, 232, 0.96), rgba(124, 224, 208, 0.2));
  box-shadow: 0 0 18px rgba(124, 224, 208, 0.12);
  transform-origin: bottom;
  animation: equalizerPulse 4.8s ease-in-out infinite;
}

.equalizer span:nth-child(1) { height: 42%; animation-delay: -0.6s; }
.equalizer span:nth-child(2) { height: 78%; animation-delay: -2.1s; }
.equalizer span:nth-child(3) { height: 56%; animation-delay: -1.1s; }
.equalizer span:nth-child(4) { height: 88%; animation-delay: -3s; }
.equalizer span:nth-child(5) { height: 36%; animation-delay: -2.4s; }
.equalizer span:nth-child(6) { height: 71%; animation-delay: -1.7s; }
.equalizer span:nth-child(7) { height: 52%; animation-delay: -0.2s; }

@keyframes equalizerPulse {
  0%, 100% { transform: scaleY(0.62); opacity: 0.72; }
  25% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.42); opacity: 0.64; }
  75% { transform: scaleY(0.82); opacity: 0.92; }
}

.hero__actions,
.section-actions,
.tool-links,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button,
.button-secondary,
.control-button,
.chip-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 50px;
  padding: 0.9rem 1.2rem;
  border-radius: 16px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.button,
.control-button--primary {
  background: linear-gradient(135deg, var(--accent), #aaf3e8);
  color: #081012;
  font-weight: 700;
}

.button:hover,
.control-button--primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #90ece0, #c0fbf2);
}

.button-secondary,
.control-button,
.chip-button {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}

.button-secondary:hover,
.control-button:hover,
.chip-button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
}

.hero-card,
.tool-card,
.feature-card,
.control-panel,
.content-card,
.faq-card,
.category-card,
.legal-card,
.status-card,
.step-card,
.popular-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% 20%;
  height: 220px;
  background: radial-gradient(circle, rgba(124, 224, 208, 0.18), transparent 60%);
  pointer-events: none;
}

.hero-meter {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 1.25rem;
}

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

.hero-meter__track {
  height: 10px;
  flex: 1;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.hero-meter__fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
}

.section {
  padding: 2rem 0;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

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

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

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

.tool-card,
.feature-card,
.content-card,
.category-card,
.popular-card,
.legal-card {
  padding: 1.4rem;
}

.tool-card h3,
.feature-card h3,
.content-card h3,
.category-card h3,
.popular-card h3 {
  margin-bottom: 0.8rem;
}

.tool-card p,
.feature-card p,
.content-card p,
.category-card p,
.popular-card p,
.legal-card p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(248, 210, 138, 0.08);
  border: 1px solid rgba(248, 210, 138, 0.16);
  color: #f8ddb1;
  font-size: 0.84rem;
}

.stat-list,
.check-list,
.link-list,
.faq-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.stat-list li,
.check-list li,
.link-list li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
  color: var(--muted);
}

.stat-list strong,
.check-list strong {
  color: var(--text);
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.55fr);
  gap: 1.5rem;
  align-items: start;
}

.control-panel,
.status-card,
.step-card {
  padding: 1.5rem;
}

.notice,
.warning,
.audio-unsupported {
  border-radius: 18px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(248, 210, 138, 0.22);
  background: rgba(248, 210, 138, 0.08);
  color: #ffe9be;
}

.audio-unsupported {
  display: none;
  border-color: rgba(255, 149, 127, 0.22);
  background: rgba(255, 149, 127, 0.08);
  color: #ffd2c8;
}

.audio-unsupported.is-visible {
  display: block;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(134, 231, 173, 0.12);
  border: 1px solid rgba(134, 231, 173, 0.18);
  color: var(--success);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.status-pill[data-tone="idle"] {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
  color: var(--muted);
}

.status-pill[data-tone="warn"] {
  background: rgba(248, 210, 138, 0.1);
  border-color: rgba(248, 210, 138, 0.2);
  color: #f8ddb1;
}

.status-pill[data-tone="alert"] {
  background: rgba(255, 149, 127, 0.1);
  border-color: rgba(255, 149, 127, 0.22);
  color: #ffd2c8;
}

.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.segmented input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented label {
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  cursor: pointer;
}

.segmented input:checked + label {
  background: rgba(124, 224, 208, 0.12);
  border-color: rgba(124, 224, 208, 0.22);
  color: var(--text);
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.85rem;
}

.button-grid .control-button,
.button-grid .button,
.button-grid .button-secondary {
  width: 100%;
}

.instruction-list {
  padding-left: 1rem;
  margin: 0;
  color: var(--muted);
}

.instruction-list li {
  margin-bottom: 0.6rem;
}

.step-progress {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.step-progress span {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.step-progress span.is-active,
.step-progress span.is-complete {
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
}

.step-summary {
  display: none;
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(134, 231, 173, 0.08);
  border: 1px solid rgba(134, 231, 173, 0.2);
}

.step-summary.is-visible {
  display: block;
}

.faq-card {
  padding: 1.25rem;
}

.wiki-shell {
  width: min(940px, calc(100% - 2rem));
  margin: 0 auto;
}

.wiki-hero-card,
.wiki-callout,
.wiki-term-card,
.wiki-cta {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.wiki-hero-card {
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
}

.wiki-icon {
  width: 78px;
  height: 78px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(124, 224, 208, 0.18);
  background:
    radial-gradient(circle at top right, rgba(124, 224, 208, 0.18), transparent 48%),
    rgba(9, 14, 16, 0.55);
  color: var(--accent);
}

.wiki-icon svg {
  width: 34px;
  height: 34px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.wiki-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.wiki-meta span,
.wiki-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.48rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(124, 224, 208, 0.16);
  background: rgba(124, 224, 208, 0.08);
  color: #d4fff7;
  font-size: 0.88rem;
}

.wiki-article {
  display: grid;
  gap: 1.2rem;
}

.wiki-article section,
.wiki-callout,
.wiki-cta {
  padding: 1.45rem;
}

.wiki-article section h2,
.wiki-callout h2,
.wiki-cta h2 {
  margin-bottom: 0.85rem;
}

.wiki-article p,
.wiki-article li,
.wiki-callout p,
.wiki-cta p,
.wiki-term-card p {
  color: var(--muted);
}

.wiki-article p {
  margin: 0 0 1rem;
}

.wiki-link-grid,
.wiki-tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.wiki-link-grid a,
.wiki-tool-grid a {
  display: block;
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid rgba(194, 220, 227, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.wiki-link-grid a:hover,
.wiki-tool-grid a:hover {
  border-color: rgba(124, 224, 208, 0.24);
  background: rgba(255, 255, 255, 0.06);
}

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

.wiki-term-card {
  padding: 1.15rem;
}

.wiki-term-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.wiki-term-card li + li {
  margin-top: 0.55rem;
}

.wiki-term-card a {
  color: var(--text);
}

.wiki-term-card a:hover {
  color: #b6f4ea;
}

.wiki-cta .button-row {
  margin-top: 1rem;
}

.faq-card details {
  border-bottom: 1px solid rgba(194, 220, 227, 0.1);
  padding: 0.9rem 0;
}

.faq-card details:last-child {
  border-bottom: 0;
}

.faq-card summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-card summary::-webkit-details-marker {
  display: none;
}

.faq-card p {
  color: var(--muted);
  margin: 0.75rem 0 0;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.related-links a {
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.site-footer {
  border-top: 1px solid rgba(194, 220, 227, 0.08);
  padding: 2.4rem 0 3rem;
  background: rgba(4, 8, 9, 0.55);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(180px, 0.7fr));
  gap: 1.5rem;
}

.site-footer p,
.site-footer li {
  color: var(--muted);
}

.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__list li {
  margin-bottom: 0.6rem;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(194, 220, 227, 0.08);
}

.mono {
  font-family: var(--font-mono);
}

.hidden {
  display: none !important;
}

@media (max-width: 1024px) {
  .grid--tools,
  .grid--features,
  .tool-layout,
  .hero__grid,
  .page-hero__grid,
  .site-footer__grid,
  .grid--two {
    grid-template-columns: 1fr;
  }

  .page-hero__grid {
    gap: 1.4rem;
  }

  .wiki-link-grid,
  .wiki-tool-grid,
  .wiki-term-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .site-header__inner {
    gap: 0.7rem;
  }

  .site-header__group {
    margin-left: auto;
  }

  .site-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.6rem);
    padding: 0.8rem;
    border-radius: 20px;
    border: 1px solid var(--line);
    background: rgba(11, 18, 20, 0.96);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__link {
    width: 100%;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .lang-switch {
    order: -1;
  }

  main {
    padding-top: 1rem;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(var(--container), calc(100% - 1rem));
  }

  h1 {
    font-size: clamp(2.2rem, 13vw, 3.5rem);
  }

  .hero,
  .page-hero {
    padding-top: 2rem;
  }

  .hero-card,
  .tool-card,
  .feature-card,
  .control-panel,
  .content-card,
  .faq-card,
  .category-card,
  .legal-card,
  .status-card,
  .step-card,
  .popular-card {
    padding: 1.15rem;
    border-radius: 20px;
  }

  .hero-visual {
    padding: 1.05rem;
    border-radius: 24px;
  }

  .tool-preview-grid {
    gap: 0.7rem;
  }

  .tool-preview-card {
    min-height: 96px;
    padding: 0.85rem;
    border-radius: 18px;
  }

  .tool-preview-card__icon {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  .hero-visual__header,
  .hero-visual__footer-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .wiki-shell {
    width: min(940px, calc(100% - 1rem));
  }

  .equalizer {
    width: 100%;
    justify-content: flex-start;
  }

  .button,
  .button-secondary,
  .control-button,
  .chip-button {
    width: 100%;
  }

  .site-header__group {
    gap: 0.55rem;
  }

  .lang-switch__link {
    min-width: 40px;
    padding-inline: 0.55rem;
  }

  .hero__actions,
  .section-actions,
  .button-row {
    flex-direction: column;
  }

  body::before {
    background-size: 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button,
  .button-secondary,
  .control-button,
  .chip-button,
  .tool-preview-card {
    transition: none;
  }

  .equalizer span {
    animation: none;
    transform: none;
    opacity: 0.86;
  }
}