.decision-tool-page,
.decision-hub {
  --tool-surface: rgba(15, 21, 31, 0.94);
  --tool-surface-soft: rgba(255, 255, 255, 0.035);
  --tool-line: rgba(148, 163, 184, 0.18);
  --tool-blue: #67a9ff;
  --tool-green: #61d6b8;
  --tool-copy: #b8c2cf;
  background:
    radial-gradient(circle at 82% 4%, rgba(35, 112, 255, 0.14), transparent 29rem),
    #050608;
}

.decision-hero,
.decision-hub-hero {
  position: relative;
  padding: clamp(132px, 12vw, 168px) 0 72px;
  overflow: hidden;
  border-bottom: 1px solid var(--tool-line);
}

.decision-hero::before,
.decision-hub-hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 34px 34px;
  content: "";
  mask-image: linear-gradient(to bottom, #000, transparent);
  pointer-events: none;
}

.decision-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.45fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: end;
}

.decision-hero h1,
.decision-hub-hero h1 {
  max-width: 980px;
  margin: 0;
  color: #f8fafc;
  font-size: clamp(2.6rem, 6vw, 5.8rem);
  font-weight: 800;
  line-height: 0.97;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.decision-hero-grid > div:first-child > p:last-child,
.decision-hub-hero > .container > p:not(.seo-kicker) {
  max-width: 760px;
  margin: 26px 0 0;
  color: var(--tool-copy);
  font-size: clamp(1.03rem, 1.7vw, 1.25rem);
  line-height: 1.68;
}

.decision-hero-note {
  border: 1px solid rgba(103, 169, 255, 0.25);
  border-radius: 22px;
  background:
    radial-gradient(circle at 100% 0, rgba(103, 169, 255, 0.2), transparent 12rem),
    rgba(14, 20, 30, 0.84);
  padding: 24px;
}

.decision-hero-note span {
  display: inline-flex;
  border-radius: 999px;
  background: rgba(97, 214, 184, 0.12);
  color: var(--tool-green);
  padding: 7px 10px;
  font: 700 0.7rem/1 "IBM Plex Mono", monospace;
  text-transform: uppercase;
}

.decision-hero-note strong {
  display: block;
  margin-top: 18px;
  color: #f5f8fb;
  font-size: 1.25rem;
}

.decision-hero-note p {
  margin: 10px 0 0;
  color: #95a2b2;
  font-size: 0.9rem;
  line-height: 1.6;
}

.decision-workspace {
  padding: clamp(56px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--tool-line);
}

.decision-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.75fr);
  gap: 24px;
  align-items: start;
}

.decision-form,
.decision-result {
  border: 1px solid var(--tool-line);
  border-radius: 26px;
  background: linear-gradient(155deg, rgba(17, 24, 36, 0.96), rgba(8, 11, 17, 0.98));
  padding: clamp(22px, 4vw, 38px);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.24);
}

.decision-form {
  display: grid;
  gap: 22px;
}

.decision-form-head,
.decision-result-head {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--tool-line);
}

.decision-form-head span,
.decision-result-head span {
  color: var(--tool-green);
  font: 700 0.7rem/1.3 "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.decision-form-head p {
  margin: 9px 0 0;
  color: #8e9aaa;
  font-size: 0.9rem;
}

.decision-result {
  position: sticky;
  top: 108px;
  min-height: 460px;
  overflow: hidden;
  overflow: clip;
  border-color: rgba(103, 169, 255, 0.24);
  background:
    radial-gradient(circle at 94% 2%, rgba(103, 169, 255, 0.18), transparent 18rem),
    linear-gradient(155deg, rgba(17, 24, 37, 0.98), rgba(7, 10, 16, 0.99));
}

.decision-result::after {
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(97, 214, 184, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 38px rgba(97, 214, 184, 0.025),
    0 0 0 76px rgba(103, 169, 255, 0.02);
  content: "";
  pointer-events: none;
}

.decision-result-head h2 {
  margin: 9px 0 0;
  color: #f5f8fb;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.decision-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

[data-result-content] {
  position: relative;
  z-index: 1;
  margin-top: 24px;
}

.decision-empty {
  max-width: 330px;
  margin: 0;
  color: #8d99a8;
  line-height: 1.65;
}

.tool-field {
  display: grid;
  gap: 9px;
  min-width: 0;
}

.tool-field > span,
.tool-options legend,
.tool-quiz label > span,
.tool-check-groups legend {
  color: #dbe3ed;
  font-size: 0.86rem;
  font-weight: 750;
  line-height: 1.4;
}

.tool-field small {
  color: #778395;
  font-size: 0.75rem;
  line-height: 1.45;
}

.tool-field input:not([type="range"]),
.tool-field select,
.tool-field textarea,
.tool-quiz select {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--tool-line);
  border-radius: 13px;
  outline: 0;
  background: rgba(255, 255, 255, 0.045);
  color: #f2f6fa;
  padding: 12px 14px;
  font: inherit;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.tool-field textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.55;
}

.tool-field input::placeholder,
.tool-field textarea::placeholder {
  color: #697586;
}

.tool-field input:focus,
.tool-field select:focus,
.tool-field textarea:focus,
.tool-quiz select:focus {
  border-color: rgba(103, 169, 255, 0.64);
  background: rgba(103, 169, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(103, 169, 255, 0.09);
}

.tool-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.tool-options,
.tool-check-groups fieldset {
  display: grid;
  gap: 11px;
  margin: 0;
  border: 1px solid var(--tool-line);
  border-radius: 16px;
  padding: 18px;
}

.tool-options legend,
.tool-check-groups legend {
  padding: 0 7px;
}

.tool-options label,
.tool-check-groups label,
.tool-switch {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  color: #aeb8c5;
  font-size: 0.9rem;
  line-height: 1.45;
  cursor: pointer;
}

.tool-options input,
.tool-check-groups input,
.tool-switch input {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  margin: 1px 0 0;
  accent-color: #3987ff;
}

.tool-switch {
  align-items: center;
  border: 1px solid var(--tool-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
  padding: 15px;
}

.tool-field input[type="range"] {
  width: 100%;
  accent-color: #3987ff;
}

.tool-field output {
  color: var(--tool-green);
  font: 700 0.78rem "IBM Plex Mono", monospace;
}

.tool-quiz {
  display: grid;
  gap: 13px;
}

.tool-quiz label {
  display: grid;
  gap: 9px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.11);
  padding-bottom: 17px;
}

.tool-check-groups {
  display: grid;
  gap: 15px;
}

.decision-submit {
  width: 100%;
  justify-content: center;
}

.result-score {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 22px;
}

.result-score strong {
  color: #f8fbff;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.result-score div {
  min-width: 0;
}

.result-score span {
  display: block;
  color: #8592a2;
  font-size: 0.76rem;
}

.result-score b {
  display: block;
  margin-top: 5px;
  color: var(--tool-green);
  font-size: 1rem;
  line-height: 1.3;
}

.result-bar {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.075);
}

.result-bar i {
  display: block;
  width: var(--result, 0%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #3987ff, #61d6b8);
  box-shadow: 0 0 20px rgba(97, 214, 184, 0.32);
  transition: width 360ms ease;
}

.result-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0;
}

.result-metric {
  min-width: 0;
  border: 1px solid var(--tool-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  padding: 14px;
}

.result-metric span {
  display: block;
  color: #7f8c9c;
  font-size: 0.72rem;
  line-height: 1.35;
}

.result-metric strong {
  display: block;
  overflow-wrap: anywhere;
  margin-top: 7px;
  color: #f2f7fb;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.2;
}

.result-copy {
  margin: 18px 0 0;
  color: #b7c1cd;
  font-size: 0.93rem;
  line-height: 1.63;
}

.result-formula {
  margin-top: 18px;
  border-left: 2px solid rgba(97, 214, 184, 0.5);
  background: rgba(97, 214, 184, 0.045);
  color: #91a0b0;
  padding: 12px 14px;
  font: 600 0.74rem/1.6 "IBM Plex Mono", monospace;
}

.result-actions {
  display: grid;
  gap: 9px;
  margin-top: 22px;
}

.result-actions .button {
  width: 100%;
  justify-content: center;
}

.result-note {
  margin: 14px 0 0;
  color: #778496;
  font-size: 0.74rem;
  line-height: 1.5;
}

.result-list {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.result-list li {
  position: relative;
  border: 1px solid var(--tool-line);
  border-radius: 12px;
  color: #aeb9c6;
  padding: 11px 12px 11px 38px;
  font-size: 0.86rem;
  line-height: 1.45;
}

.result-list li::before {
  position: absolute;
  top: 12px;
  left: 13px;
  color: var(--tool-green);
  content: "✓";
  font-weight: 800;
}

.brief-output {
  width: 100%;
  min-height: 360px;
  border: 1px solid var(--tool-line);
  border-radius: 14px;
  outline: 0;
  background: rgba(5, 8, 13, 0.74);
  color: #dce4ee;
  padding: 16px;
  font: 500 0.82rem/1.65 "IBM Plex Mono", monospace;
  resize: vertical;
}

.brief-output:focus-visible {
  border-color: rgba(103, 169, 255, 0.68);
  box-shadow: 0 0 0 3px rgba(103, 169, 255, 0.1);
}

.decision-explain,
.decision-faq,
.decision-related,
.decision-path,
.decision-catalog {
  padding: clamp(64px, 8vw, 104px) 0;
  border-bottom: 1px solid var(--tool-line);
}

.decision-faq,
.decision-path {
  background: rgba(12, 16, 23, 0.68);
}

.decision-section-head {
  max-width: 850px;
  margin-bottom: 38px;
}

.decision-section-head h2 {
  margin: 0;
  color: #f7fafc;
  font-size: clamp(2rem, 4.5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.decision-explain-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.decision-explain-grid article,
.decision-disclaimer {
  border: 1px solid var(--tool-line);
  border-radius: 20px;
  background: var(--tool-surface-soft);
  padding: 26px;
}

.decision-explain-grid h3 {
  margin: 0;
  color: #edf2f7;
  font-size: 1.2rem;
}

.decision-explain-grid p,
.decision-disclaimer p {
  margin: 13px 0 0;
  color: #9da9b8;
  line-height: 1.7;
}

.decision-disclaimer {
  margin-top: 18px;
  border-color: rgba(103, 169, 255, 0.22);
}

.decision-disclaimer strong {
  color: var(--tool-blue);
  font: 700 0.74rem "IBM Plex Mono", monospace;
  text-transform: uppercase;
}

.decision-faq-list {
  display: grid;
  max-width: 900px;
  gap: 10px;
}

.decision-faq-list details {
  border: 1px solid var(--tool-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
  padding: 0 20px;
}

.decision-faq-list summary {
  color: #e7edf4;
  padding: 19px 0;
  font-weight: 750;
  cursor: pointer;
}

.decision-faq-list p {
  margin: 0;
  border-top: 1px solid var(--tool-line);
  color: #9da8b6;
  padding: 17px 0 20px;
  line-height: 1.65;
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.decision-card {
  display: flex;
  min-height: 290px;
  flex-direction: column;
  border: 1px solid var(--tool-line);
  border-radius: 22px;
  background:
    radial-gradient(circle at 95% 2%, rgba(103, 169, 255, 0.11), transparent 13rem),
    linear-gradient(155deg, rgba(17, 23, 34, 0.95), rgba(8, 11, 17, 0.97));
  color: inherit;
  padding: 25px;
  transition: transform 180ms ease, border-color 180ms ease;
}

.decision-card:hover,
.decision-card:focus-visible {
  border-color: rgba(103, 169, 255, 0.45);
  transform: translateY(-4px);
}

.decision-card > span {
  color: var(--tool-green);
  font: 700 0.68rem/1.4 "IBM Plex Mono", monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.decision-card h2 {
  margin: 34px 0 0;
  color: #f4f7fb;
  font-size: 1.55rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.decision-card p {
  margin: 14px 0 22px;
  color: #94a0af;
  font-size: 0.9rem;
  line-height: 1.62;
}

.decision-card b {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  color: var(--tool-blue);
  font: 700 0.77rem/1.3 "IBM Plex Mono", monospace;
}

.decision-card i {
  font-style: normal;
}

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

.decision-hub-hero h1 {
  max-width: 1050px;
}

.decision-hub-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.decision-hub-stats span {
  min-width: 160px;
  border: 1px solid var(--tool-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: #8f9bab;
  padding: 13px 16px;
  font-size: 0.84rem;
}

.decision-hub-stats strong {
  display: block;
  margin-bottom: 4px;
  color: #f3f7fb;
  font-size: 1.15rem;
}

.decision-path ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.decision-path li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  border: 1px solid var(--tool-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.025);
  padding: 23px;
}

.decision-path li > span {
  color: var(--tool-blue);
  font: 700 0.72rem "IBM Plex Mono", monospace;
}

.decision-path h3 {
  margin: 0;
  color: #eef3f8;
  font-size: 1.1rem;
}

.decision-path p {
  margin: 10px 0 0;
  color: #929eac;
  font-size: 0.88rem;
  line-height: 1.6;
}

@media (max-width: 980px) {
  .decision-hero-grid,
  .decision-layout {
    grid-template-columns: 1fr;
  }

  .decision-result {
    position: static;
    min-height: 0;
  }

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

  .decision-path ol {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .decision-hero,
  .decision-hub-hero {
    padding-top: 112px;
  }

  .decision-hero h1,
  .decision-hub-hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.7rem);
  }

  .decision-workspace {
    padding-top: 36px;
  }

  .decision-form,
  .decision-result {
    border-radius: 20px;
    padding: 20px;
  }

  .decision-result::after {
    right: 0;
    bottom: 0;
    width: 112px;
    height: 112px;
  }

  .tool-field-grid,
  .decision-explain-grid,
  .decision-grid,
  .decision-grid-related,
  .result-metrics {
    grid-template-columns: 1fr;
  }

  .decision-card {
    min-height: 250px;
  }

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

  .decision-hub-stats span {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .decision-tool-page *,
  .decision-tool-page *::before,
  .decision-tool-page *::after,
  .decision-hub *,
  .decision-hub *::before,
  .decision-hub *::after {
    transition-duration: 0.01ms !important;
  }
}