:root {
  color-scheme: dark;
  --bg: #101412;
  --bg-elevated: #171c19;
  --surface: #20251f;
  --surface-strong: #2a3028;
  --text: #fbfaf5;
  --muted: #cac4b6;
  --subtle: #9b9487;
  --line: rgba(255, 218, 143, 0.18);
  --primary: #f5b642;
  --primary-strong: #ffe08a;
  --accent: #9b7bff;
  --warning: #ffd36b;
  --danger: #ff8c7a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius-sm: 8px;
  --radius-md: 8px;
  --radius-lg: 20px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 15% 12%, rgba(245, 182, 66, 0.16), transparent 30rem),
    radial-gradient(circle at 88% 8%, rgba(155, 123, 255, 0.14), transparent 26rem),
    linear-gradient(180deg, #101412 0%, #171c19 48%, #101311 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent 72%);
}

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

svg {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  transform: translateY(-140%);
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #04110d;
  font-weight: 800;
  padding: 0.65rem 0.9rem;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--warning);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2rem, var(--max-width));
  min-height: 72px;
  margin: 0 auto;
  padding: 0.75rem 0;
  backdrop-filter: blur(18px);
}

.brand,
.header-cta,
.primary-button,
.secondary-button,
.submit-button,
.share-button {
  min-height: 44px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 850;
}

.brand-mark {
  display: inline-grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border: 1px solid rgba(245, 182, 66, 0.42);
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, rgba(245, 182, 66, 0.18), rgba(155, 123, 255, 0.1));
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a {
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.1rem;
}

.nav-links a:hover {
  color: var(--text);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-weight: 750;
  padding: 0 1rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  width: min(100% - 2rem, var(--max-width));
  min-height: calc(100dvh - 72px);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 5vw, 4rem);
}

.eyebrow,
.section-kicker,
.section-heading p {
  color: var(--primary-strong);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid rgba(255, 224, 138, 0.3);
  border-radius: 999px;
  background: rgba(245, 182, 66, 0.1);
  padding: 0.45rem 0.7rem;
}

.live-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(245, 182, 66, 0.13);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1.2rem;
  font-size: clamp(3.1rem, 8vw, 6.9rem);
  line-height: 0.93;
  letter-spacing: 0;
  text-wrap: balance;
}

h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
  text-wrap: balance;
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
}

.hero-lede {
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.9rem;
}

.primary-button,
.secondary-button,
.submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: var(--radius-sm);
  font-weight: 850;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.primary-button,
.submit-button {
  border: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #04110d;
  padding: 0.88rem 1.1rem;
}

.secondary-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.82rem 1.05rem;
}

.primary-button:hover,
.secondary-button:hover,
.submit-button:hover {
  transform: translateY(-1px);
}

.trust-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: clamp(2rem, 4vw, 3.25rem) 0 0;
}

.trust-metrics div,
.ticker-panel,
.insight-card,
.survey-form,
.thank-you-panel,
.privacy {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(13, 29, 25, 0.72);
  box-shadow: var(--shadow);
}

.trust-metrics div {
  padding: 1rem;
}

.trust-metrics dt {
  color: var(--text);
  font-size: clamp(1.25rem, 2.5vw, 1.8rem);
  font-weight: 900;
  line-height: 1;
}

.trust-metrics dd {
  margin: 0.45rem 0 0;
  color: var(--subtle);
  font-size: 0.88rem;
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 560px;
  place-items: center;
}

#marketCanvas {
  width: min(100%, 34rem);
  aspect-ratio: 1;
  height: auto;
  border: 1px solid rgba(155, 123, 255, 0.18);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 42%, rgba(245, 182, 66, 0.18), transparent 38%),
    linear-gradient(155deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.42),
    inset 0 0 80px rgba(245, 182, 66, 0.08);
}

.ticker-panel {
  position: absolute;
  right: 0;
  bottom: 4rem;
  display: grid;
  gap: 0.85rem;
  width: min(18rem, 84%);
  padding: 1rem;
  backdrop-filter: blur(16px);
}

.ticker-panel div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ticker-panel span {
  color: var(--muted);
  font-size: 0.85rem;
}

.ticker-panel strong {
  color: var(--primary-strong);
  font-size: 1.15rem;
  font-variant-numeric: tabular-nums;
}

.insights,
.survey-band,
.privacy {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.insights {
  padding: clamp(3rem, 7vw, 6rem) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.4rem;
}

.section-heading h2 {
  margin-bottom: 0;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.insight-card {
  padding: 1.35rem;
}

.insight-card svg {
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.insight-card p,
.survey-copy p,
.privacy p {
  color: var(--muted);
}

.survey-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
  padding: clamp(3rem, 7vw, 6rem) 0;
}

.survey-copy {
  position: sticky;
  top: 96px;
}

.check-list {
  display: grid;
  gap: 0.8rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 650;
}

.check-list svg {
  color: var(--primary);
}

.survey-form {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: rgba(13, 29, 25, 0.9);
}

.form-topline {
  display: grid;
  gap: 0.65rem;
}

.form-topline div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
}

.form-topline strong {
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.progress-track {
  overflow: hidden;
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 180ms ease;
}

fieldset {
  min-width: 0;
  margin: 0;
  border: 0;
  padding: 0;
}

.question-block {
  display: grid;
  gap: 0.75rem;
}

.question-number {
  color: var(--primary-strong);
  font-variant-numeric: tabular-nums;
}

legend,
label {
  color: var(--text);
  font-weight: 760;
}

legend {
  margin-bottom: 0.75rem;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.choice-card,
.checkbox-list label,
.consent-row {
  cursor: pointer;
}

.choice-card {
  display: grid;
  gap: 0.25rem;
  min-height: 96px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.035);
  padding: 0.9rem;
  transition:
    border-color 160ms ease,
    background 160ms ease;
}

.choice-card input {
  width: 1.1rem;
  height: 1.1rem;
  margin: 0 0 0.2rem;
  accent-color: var(--primary);
}

.choice-card small {
  color: var(--subtle);
  font-weight: 520;
}

.choice-card:has(input:checked) {
  border-color: rgba(245, 182, 66, 0.82);
  background: rgba(245, 182, 66, 0.12);
}

.field {
  display: grid;
  gap: 0.45rem;
}

select,
input[type="email"] {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(5, 17, 14, 0.9);
  color: var(--text);
  font: inherit;
  padding: 0.75rem 0.85rem;
}

select {
  color-scheme: dark;
}

input::placeholder {
  color: #71877f;
}

.field-hint {
  margin: 0;
  color: var(--subtle);
  font-size: 0.9rem;
}

.range-row {
  display: grid;
  grid-template-columns: 1fr 4rem;
  gap: 0.8rem;
  align-items: center;
}

input[type="range"] {
  width: 100%;
  min-height: 44px;
  accent-color: var(--primary);
}

output {
  color: var(--primary-strong);
  font-weight: 850;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.checkbox-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.checkbox-list label,
.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.035);
  padding: 0.75rem;
}

input[type="checkbox"] {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.18rem;
  accent-color: var(--primary);
}

.field-error,
.error-summary {
  color: var(--danger);
}

.field-error {
  min-height: 1.35rem;
  margin: 0;
  font-size: 0.9rem;
}

.error-summary {
  border: 1px solid rgba(255, 140, 122, 0.5);
  border-radius: var(--radius-sm);
  background: rgba(255, 140, 122, 0.1);
  padding: 0.85rem;
}

.error-summary a {
  text-decoration: underline;
}

.submit-button {
  width: 100%;
  min-height: 52px;
  cursor: pointer;
  font: inherit;
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.success-message {
  margin: 0;
  border: 1px solid rgba(245, 182, 66, 0.5);
  border-radius: var(--radius-sm);
  background: rgba(245, 182, 66, 0.12);
  color: var(--text);
  padding: 0.9rem;
}

.thank-you-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1.2rem, 4vw, 2rem);
  background: rgba(17, 24, 21, 0.94);
}

.thank-you-panel h2 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.08;
}

.thank-you-panel p {
  margin-bottom: 0;
  color: var(--muted);
}

.thanks-icon {
  width: 3rem;
  height: 3rem;
  border: 1px solid rgba(245, 182, 66, 0.5);
  border-radius: var(--radius-sm);
  background: rgba(245, 182, 66, 0.12);
  color: var(--primary-strong);
  padding: 0.65rem;
}

.share-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.4rem;
}

.share-button {
  display: inline-grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.share-button:hover {
  transform: translateY(-1px);
  border-color: rgba(245, 182, 66, 0.55);
  background: rgba(245, 182, 66, 0.1);
}

.share-button svg {
  width: 1.25rem;
  height: 1.25rem;
}

.share-feedback {
  min-height: 1.5rem;
  color: var(--primary-strong) !important;
}

.share-button[data-platform="x"] {
  border-color: #000000;
  background: #000000;
  color: #ffffff;
}

.share-button[data-platform="facebook"] {
  border-color: #1877f2;
  background: #1877f2;
  color: #ffffff;
}

.share-button[data-platform="telegram"] {
  border-color: #26a5e4;
  background: #26a5e4;
  color: #ffffff;
}

.share-button[data-platform="whatsapp"] {
  border-color: #25d366;
  background: #25d366;
  color: #062012;
}

.share-button[data-platform="wechat"] {
  border-color: #07c160;
  background: #07c160;
  color: #ffffff;
}

.share-button[data-platform]:hover {
  filter: brightness(1.08);
}

/* Phone UI shell */
:root {
  --max-width: 430px;
}

body {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.05), transparent 12%, transparent 88%, rgba(255, 255, 255, 0.05)),
    radial-gradient(circle at 50% 0%, rgba(245, 182, 66, 0.18), transparent 24rem),
    #070a09;
}

.site-header,
.hero,
.insights,
.survey-band,
.privacy {
  width: min(100%, var(--max-width));
}

.site-header {
  min-height: 64px;
  padding: 0.7rem 1rem;
  background: rgba(7, 10, 9, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav-links {
  display: none;
}

.header-cta {
  min-width: 5.4rem;
  padding-inline: 0.8rem;
}

.hero,
.survey-band,
.privacy,
.section-heading {
  grid-template-columns: 1fr;
}

.hero {
  min-height: auto;
  padding: 1.4rem 1rem 1rem;
}

.eyebrow {
  font-size: 0.72rem;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.35rem, 12vw, 3.6rem);
}

h2 {
  font-size: clamp(1.6rem, 8vw, 2.4rem);
}

.hero-lede {
  font-size: 1rem;
}

.hero-actions {
  flex-direction: column;
  margin-top: 1.4rem;
}

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

.trust-metrics,
.insight-grid,
.option-grid,
.checkbox-list {
  grid-template-columns: 1fr;
}

.hero-visual {
  min-height: auto;
  margin-top: 1rem;
}

#marketCanvas {
  width: 100%;
  border-radius: var(--radius-md);
}

.ticker-panel {
  position: relative;
  right: auto;
  bottom: auto;
  width: 100%;
  margin-top: -1rem;
}

.insights {
  padding: 2.25rem 1rem;
}

.survey-band {
  gap: 1rem;
  padding: 1.25rem 1rem 2rem;
}

.survey-copy {
  position: static;
}

.check-list {
  margin-top: 1rem;
}

.survey-form {
  overflow: visible;
  gap: 1rem;
  padding: 0.95rem;
  border-radius: var(--radius-md);
}

.form-topline {
  position: sticky;
  top: 64px;
  z-index: 18;
  margin: -0.95rem -0.95rem 0;
  padding: 0.9rem 0.95rem;
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: rgba(15, 20, 17, 0.96);
  backdrop-filter: blur(16px);
}

.choice-card {
  min-height: 56px;
}

.choice-card,
.checkbox-list label {
  align-items: center;
  grid-auto-flow: column;
  grid-template-columns: auto 1fr;
}

.privacy {
  margin-bottom: 0;
  padding: 1.25rem 1rem 2rem;
  border-right: 0;
  border-left: 0;
}

.privacy {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  padding: clamp(1.4rem, 4vw, 2rem);
}

.privacy h2 {
  font-size: clamp(1.6rem, 4vw, 3rem);
}

.privacy-details {
  display: grid;
  gap: 0.9rem;
}

.privacy-details p {
  margin-bottom: 0;
}

.privacy-details ul {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.privacy-details li {
  padding-left: 0.1rem;
}

.privacy-details strong {
  color: var(--text);
}

.privacy-details a {
  color: var(--primary-strong);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.completion-mode {
  min-height: 100dvh;
  overflow-x: hidden;
}

.completion-mode .site-header,
.completion-mode .hero,
.completion-mode .insights,
.completion-mode .privacy,
.completion-mode .survey-copy {
  display: none;
}

.completion-mode .survey-band {
  display: grid;
  width: min(100%, var(--max-width));
  min-height: 100dvh;
  place-items: center;
  padding: 1rem;
}

.completion-mode .survey-form {
  width: 100%;
  border: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
}

.completion-mode .thank-you-panel {
  width: 100%;
  min-height: calc(100dvh - 2rem);
  align-content: center;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero,
  .survey-band,
  .privacy,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    max-width: 12ch;
  }

  .hero-visual {
    min-height: auto;
  }

  .ticker-panel {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: -1.5rem;
  }

  .survey-copy {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header,
  .hero,
  .insights,
  .survey-band,
  .privacy {
    width: min(100% - 1rem, var(--max-width));
  }

  .site-header {
    min-height: 64px;
  }

  .brand span:last-child {
    max-width: 7rem;
    overflow-wrap: anywhere;
  }

  .header-cta {
    padding-inline: 0.8rem;
  }

  .trust-metrics,
  .insight-grid,
  .option-grid,
  .checkbox-list {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  h1 {
    font-size: clamp(2.9rem, 15vw, 4.8rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}