:root {
  --color-ink: #101214;
  --color-graphite: #202427;
  --color-paper: #f6f3ec;
  --color-surface: #fffaf0;
  --color-muted: #68645d;
  --color-line: rgba(16, 18, 20, 0.16);
  --color-signal: #d99a22;
  --color-signal-strong: #b87512;
  --color-cool: #5d717a;
  --content-max: 1440px;
  --page-pad: clamp(20px, 4vw, 64px);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --radius-sm: 6px;
  --radius-md: 8px;
  --shadow-soft: 0 26px 80px rgba(16, 18, 20, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #101214 0 420px, var(--color-paper) 420px 100%);
  color: var(--color-ink);
  font-family: var(--font-sans);
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

button,
textarea {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  height: 64px;
  padding: 0 var(--page-pad);
  color: #fff;
  background: rgba(16, 18, 20, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand,
.nav-links,
.header-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background: var(--color-signal);
  font-family: var(--font-mono);
  font-size: 13px;
  box-shadow: 0 0 28px rgba(217, 154, 34, 0.22);
}

.nav-links {
  justify-content: center;
  gap: 34px;
  font-size: 14px;
}

.nav-links a,
.mobile-nav a {
  color: rgba(255, 255, 255, 0.86);
}

.nav-links a:hover,
.mobile-nav a:hover {
  color: #fff;
}

.header-actions {
  gap: 16px;
}

.header-cta {
  padding: 9px 16px;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.header-cta:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
}

.menu-button {
  display: none;
  width: 38px;
  height: 38px;
  padding: 9px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: #fff;
}

.mobile-nav {
  position: fixed;
  z-index: 19;
  top: 64px;
  left: 0;
  right: 0;
  display: none;
  padding: 18px 24px 28px;
  background: rgba(16, 18, 20, 0.96);
}

.mobile-nav.is-open {
  display: grid;
  gap: 18px;
}

.hero {
  position: relative;
  min-height: 94vh;
  padding: 144px var(--page-pad) 72px;
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1.1fr);
  align-items: center;
  gap: 60px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 72% 32%, rgba(217, 154, 34, 0.28), transparent 26%),
    radial-gradient(circle at 18% 78%, rgba(93, 113, 122, 0.22), transparent 30%),
    linear-gradient(128deg, #0d0f10 0%, #1b2022 46%, #3a4449 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000, transparent 90%);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--color-signal);
  font-size: 13px;
  font-weight: 700;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(54px, 7.4vw, 112px);
  line-height: 1.02;
  font-weight: 800;
}

.hero-text {
  max-width: 640px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button-primary {
  background: var(--color-signal);
  color: var(--color-ink);
  box-shadow: 0 14px 34px rgba(217, 154, 34, 0.24);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #e7ad41;
  transform: translateY(-2px);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.54);
  color: #fff;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.note {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.signal-panel {
  position: relative;
  min-height: 520px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.03)),
    rgba(16, 18, 20, 0.42);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transform: perspective(1100px) rotateX(2deg) rotateY(-5deg);
  animation: panelDrift 7s ease-in-out infinite;
}

.signal-topline,
.decode-strip {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-mono);
  font-size: 12px;
}

.signal-wave {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 230px;
  margin-top: 52px;
}

.signal-wave span {
  display: block;
  height: 18px;
  border-radius: 20px;
  background: var(--color-signal);
  box-shadow: 0 0 32px rgba(217, 154, 34, 0.38);
  animation: signalPulse 1.8s ease-in-out infinite;
}

.signal-wave span:nth-child(2) {
  animation-delay: 0.08s;
}

.signal-wave span:nth-child(3) {
  animation-delay: 0.16s;
}

.signal-wave span:nth-child(4),
.signal-wave span:nth-child(5),
.signal-wave span:nth-child(6) {
  animation-delay: 0.28s;
}

.signal-wave .dot {
  width: 18px;
}

.signal-wave .dash {
  width: 88px;
}

.signal-grid {
  position: absolute;
  inset: 84px 28px 92px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  opacity: 0.34;
}

.signal-grid span {
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.decode-strip {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
}

.decode-strip span {
  display: grid;
  place-items: center;
  width: 30%;
  min-height: 58px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #fff;
  font-size: 22px;
  font-family: var(--font-mono);
}

main > section:not(.hero) {
  width: 100%;
  padding: 78px var(--page-pad);
}

.section-inner {
  width: min(100%, var(--content-max));
  margin: 0 auto;
}

.section-heading {
  max-width: 860px;
  margin-bottom: 30px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
}

.learn-strip {
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.96), rgba(246, 243, 236, 0.98)),
    repeating-linear-gradient(90deg, rgba(16, 18, 20, 0.05) 0 1px, transparent 1px 84px);
}

.rule-line {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.45);
}

.rule-line article {
  min-height: 220px;
  padding: 32px;
  border-right: 1px solid var(--color-line);
  transition: background 180ms ease, transform 180ms ease;
}

.rule-line article:hover {
  background: rgba(255, 255, 255, 0.72);
  transform: translateY(-3px);
}

.rule-line article:last-child {
  border-right: 0;
}

.rule-symbol {
  display: block;
  color: var(--color-signal-strong);
  font-family: var(--font-mono);
  font-size: 70px;
  line-height: 0.8;
}

.dash-symbol {
  letter-spacing: 0;
}

.gap-symbol {
  color: var(--color-cool);
}

.rule-line h3,
.history-list h3 {
  margin: 28px 0 10px;
  font-size: 22px;
}

.rule-line p,
.history-list p,
.timing-note p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.8;
}

.rule-line code,
details code {
  font-family: var(--font-mono);
  color: var(--color-signal-strong);
}

.timing-note {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: start;
  margin-top: 28px;
  padding: 24px 0 0;
  border-top: 1px solid var(--color-line);
}

.timing-note span {
  color: var(--color-ink);
  font-weight: 800;
}

.reference-section {
  background:
    radial-gradient(circle at 88% 16%, rgba(217, 154, 34, 0.16), transparent 24%),
    #fff;
  padding-top: 52px !important;
  padding-bottom: 56px !important;
}

.reference-section .section-heading {
  margin-bottom: 24px;
}

.reference-section .section-heading h2 {
  font-size: clamp(28px, 3.4vw, 44px);
}

.reference-tools {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.search-field {
  display: grid;
  gap: 8px;
  width: min(420px, 100%);
}

.search-field span {
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
}

.search-field input {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font: inherit;
}

.reference-status {
  min-height: 22px;
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.reference-layout {
  display: block;
  width: 100%;
}

.reference-groups {
  display: grid;
  gap: 20px;
}

.reference-group {
  margin: 0;
  padding: 0;
}

.reference-group h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.reference-item {
  display: grid;
  grid-template-columns: minmax(34px, auto) minmax(54px, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 52px;
  padding: 8px 10px;
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: #fff;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.reference-item:hover {
  position: relative;
  z-index: 1;
  background: var(--color-surface);
  box-shadow: 0 16px 40px rgba(16, 18, 20, 0.12);
  transform: translateY(-2px);
}

.reference-character {
  font-weight: 800;
  font-size: 18px;
}

.reference-item code,
.faq-list code {
  font-family: var(--font-mono);
  color: var(--color-signal-strong);
}

.reference-item code {
  font-size: 14px;
  white-space: nowrap;
}

.converter-panel,
.practice-layout {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 18px 60px rgba(16, 18, 20, 0.08);
}

.converter-section {
  background:
    linear-gradient(135deg, rgba(32, 36, 39, 0.96), rgba(16, 18, 20, 0.96)),
    var(--color-graphite);
  color: #fff;
}

.converter-section .section-heading h2 {
  color: #fff;
}

.converter-section .converter-panel {
  color: var(--color-ink);
}

.converter-panel {
  max-width: none;
  padding: 24px;
}

.converter-controls {
  display: inline-flex;
  gap: 8px;
  padding: 5px;
  margin-bottom: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fff;
}

.mode-button,
.copy-button,
.play-button,
.stop-button {
  min-height: 40px;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.mode-button {
  padding: 9px 14px;
  background: transparent;
  color: var(--color-muted);
}

.mode-button.is-active {
  background: var(--color-ink);
  color: #fff;
}

.converter-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px 22px;
  align-items: stretch;
}

.field {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 10px;
}

.field > span {
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
}

textarea,
.converter-output {
  width: 100%;
  min-height: 260px;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-ink);
}

textarea {
  resize: vertical;
  height: 260px;
}

.converter-output {
  display: block;
  white-space: pre-wrap;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.7;
}

.converter-message {
  min-height: 22px;
  margin: 0;
  color: var(--color-signal-strong);
  font-size: 14px;
}

.converter-toolbar {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(260px, auto) 1fr auto;
  gap: 18px;
  align-items: end;
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
}

.converter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.copy-button,
.play-button,
.stop-button {
  padding: 0 16px;
}

.copy-button,
.play-button {
  background: var(--color-ink);
  color: #fff;
  transition: transform 160ms ease, background 160ms ease;
}

.copy-button:hover,
.play-button:hover,
.next-question:hover {
  transform: translateY(-1px);
  background: #2a2f33;
}

.stop-button {
  border: 1px solid var(--color-line);
  background: #fff;
  color: var(--color-muted);
}

.stop-button:disabled,
.play-button:disabled {
  cursor: default;
  opacity: 0.55;
}

.audio-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 14px;
}

.audio-controls label {
  display: grid;
  gap: 8px;
}

.audio-controls span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
}

.audio-controls output {
  color: var(--color-ink);
  font-family: var(--font-mono);
}

.audio-controls input[type="range"] {
  width: 100%;
  accent-color: var(--color-signal);
}

.audio-status {
  min-height: 22px;
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  text-align: right;
}

.practice-section {
  background:
    linear-gradient(180deg, #fff, #f8f6f0);
}

.practice-layout {
  max-width: none;
  padding: 30px;
}

.practice-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: stretch;
  margin-bottom: 26px;
}

.practice-stats div,
.reset-progress {
  min-height: 74px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fff;
}

.practice-stats div {
  display: grid;
  gap: 8px;
  padding: 14px;
}

.practice-stats span {
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 700;
}

.practice-stats strong {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
}

.reset-progress {
  padding: 0 16px;
  color: var(--color-muted);
  cursor: pointer;
}

.reset-progress:hover,
.reset-progress:focus-visible {
  border-color: var(--color-signal);
  color: var(--color-ink);
}

.practice-prompt {
  display: grid;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line);
}

.practice-prompt span {
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
}

.practice-prompt strong {
  font-family: var(--font-mono);
  font-size: clamp(48px, 9vw, 98px);
}

.practice-prompt p,
.practice-feedback {
  margin: 0;
  color: var(--color-muted);
}

.practice-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.practice-actions button {
  min-width: 70px;
  min-height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  font-weight: 800;
}

.practice-actions button:hover,
.practice-actions button:focus-visible {
  border-color: var(--color-signal);
}

.practice-actions button:disabled {
  cursor: default;
}

.practice-actions button.is-correct {
  border-color: rgba(44, 122, 73, 0.42);
  background: rgba(44, 122, 73, 0.12);
  color: #1f6f42;
}

.practice-actions button.is-wrong {
  border-color: rgba(176, 72, 44, 0.42);
  background: rgba(176, 72, 44, 0.12);
  color: #9a3d28;
}

.next-question {
  min-height: 42px;
  margin-top: 18px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: #fff;
  cursor: pointer;
}

.practice-feedback {
  min-height: 28px;
  margin-top: 18px;
}

.history-section {
  color: #fff;
  background:
    radial-gradient(circle at 20% 20%, rgba(217, 154, 34, 0.18), transparent 24%),
    linear-gradient(135deg, #151819, #252b2f 60%, #101214);
}

.history-list {
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.history-list article {
  display: grid;
  grid-template-columns: 80px minmax(160px, 0.28fr) 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: padding-left 180ms ease, background 180ms ease;
}

.history-list article:hover {
  padding-left: 18px;
  background: rgba(255, 255, 255, 0.035);
}

.history-list span {
  color: var(--color-signal);
  font-family: var(--font-mono);
}

.history-list h3 {
  margin: 0;
}

.history-list p {
  color: rgba(255, 255, 255, 0.72);
}

.faq-section {
  background: var(--color-paper);
}

.faq-list {
  max-width: none;
  border-top: 1px solid var(--color-line);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 560ms ease, transform 560ms ease;
}

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

@keyframes signalPulse {
  0%,
  100% {
    opacity: 0.72;
    transform: scaleY(0.92);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.08);
  }
}

@keyframes panelDrift {
  0%,
  100% {
    transform: perspective(1100px) rotateX(2deg) rotateY(-5deg) translateY(0);
  }
  50% {
    transform: perspective(1100px) rotateX(2deg) rotateY(-4deg) translateY(-8px);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

details {
  border-bottom: 1px solid var(--color-line);
  padding: 22px 0;
}

summary {
  cursor: pointer;
  font-weight: 800;
}

details p {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--color-muted);
  line-height: 1.8;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 56px;
  color: rgba(255, 255, 255, 0.66);
  background: var(--color-ink);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #fff;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: auto 1fr;
    height: 58px;
    padding: 0 22px;
  }

  .nav-links {
    display: none;
  }

  .header-actions {
    justify-content: end;
  }

  .header-cta {
    padding: 8px 12px;
  }

  .menu-button {
    display: block;
  }

  .mobile-nav {
    top: 58px;
  }

  .hero {
    min-height: 94vh;
    grid-template-columns: 1fr;
    gap: 38px;
    padding: 104px var(--page-pad) 42px;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 64px);
  }

  .hero-text {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .signal-panel {
    min-height: 320px;
    padding: 20px;
    transform: none;
  }

  .signal-wave {
    min-height: 150px;
    gap: 8px;
    margin-top: 38px;
  }

  .signal-wave .dot {
    width: 14px;
    height: 14px;
  }

  .signal-wave .dash {
    width: 48px;
    height: 14px;
  }

  .signal-grid {
    inset: 70px 20px 78px;
  }

  .decode-strip {
    left: 20px;
    right: 20px;
    bottom: 20px;
  }

  main > section:not(.hero) {
    padding: 56px var(--page-pad);
  }

  .rule-line,
  .reference-tools,
  .converter-grid {
    grid-template-columns: 1fr;
  }

  .reference-tools {
    display: grid;
    align-items: start;
  }

  .rule-line article {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--color-line);
  }

  .rule-line article:last-child {
    border-bottom: 0;
  }

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

  .reference-section {
    padding-top: 42px !important;
    padding-bottom: 44px !important;
  }

  .reference-item {
    min-height: 54px;
    padding: 8px;
  }

  .timing-note {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .converter-controls {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .converter-toolbar,
  .audio-controls {
    grid-template-columns: 1fr;
  }

  .audio-status {
    text-align: left;
  }

  .history-list article {
    grid-template-columns: 1fr;
    gap: 10px;
  }

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

  .reset-progress {
    grid-column: 1 / -1;
  }

  .site-footer {
    display: grid;
    padding: 30px 24px;
  }
}

@media (max-width: 430px) {
  .brand span:last-child {
    display: none;
  }

  .header-cta {
    font-size: 13px;
  }

  .hero {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .reference-table div {
    min-height: 96px;
    padding: 18px;
  }
}