:root {
  --red: #bf0704;
  --navy: #011427;
  --gold: #f4d58d;
  --cyan: #07bcc1;
  --ink: #101722;
  --muted: #5b6572;
  --line: #d9e1e7;
  --paper: #fbfaf7;
  --white: #ffffff;
  --soft-red: #fff0ef;
  --shadow: 0 24px 80px rgba(1, 20, 39, 0.14);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Lato", sans-serif;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid rgba(1, 20, 39, 0.08);
  backdrop-filter: blur(16px);
}

.brand img {
  display: block;
  width: 152px;
  height: auto;
}

.top-nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.top-nav a:hover {
  color: var(--red);
}

.header-cta {
  justify-self: end;
  padding: 10px 18px;
  color: var(--white);
  background: var(--red);
  border-radius: var(--radius);
  font-weight: 900;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  gap: clamp(28px, 5vw, 72px);
  min-height: calc(100vh - 78px);
  align-items: center;
  padding: clamp(48px, 7vw, 96px) clamp(18px, 6vw, 86px);
  background:
    linear-gradient(90deg, rgba(251, 250, 247, 0.96), rgba(251, 250, 247, 0.76)),
    repeating-linear-gradient(135deg, rgba(1, 20, 39, 0.05) 0 1px, transparent 1px 18px);
}

.eyebrow,
.step-kicker {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--navy);
  font-family: "Montserrat", sans-serif;
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  max-width: 880px;
  font-size: clamp(2.75rem, 7vw, 6.7rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 4.1rem);
}

h3 {
  font-size: 1.18rem;
}

.hero-text {
  max-width: 660px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.34rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-action,
.secondary-action,
.primary-button,
.ghost-button {
  min-height: 48px;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 900;
}

.primary-action,
.primary-button {
  padding: 14px 22px;
  color: var(--white);
  background: var(--red);
  box-shadow: 0 14px 34px rgba(191, 7, 4, 0.22);
}

.secondary-action,
.ghost-button {
  padding: 13px 21px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
}

.score-panel {
  padding: clamp(24px, 4vw, 38px);
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.score-panel-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.score-panel-top span {
  color: var(--gold);
  font-weight: 900;
}

.score-panel-top strong {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.9;
}

.layer-bars,
.pain-list {
  display: grid;
  gap: 14px;
  margin: 28px 0;
}

.layer-bars span,
.pain-list li {
  position: relative;
  padding: 11px 12px;
  overflow: hidden;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  font-weight: 900;
}

.pain-list {
  padding: 0;
  list-style: none;
}

.layer-bars span::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--bar);
  background: rgba(7, 188, 193, 0.38);
}

.score-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 1.05rem;
}

.method-section,
.closing-section {
  padding: clamp(58px, 8vw, 112px) clamp(18px, 6vw, 86px);
}

.section-heading {
  display: grid;
  grid-template-columns: 0.95fr 1.35fr;
  gap: 42px;
  align-items: end;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.method-grid article {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.method-grid span {
  display: block;
  margin-bottom: 38px;
  color: var(--red);
  font-family: "Montserrat", sans-serif;
  font-size: 2.6rem;
  font-weight: 900;
}

.method-grid p,
.closing-section p {
  color: var(--muted);
  font-size: 1.04rem;
}

.diagnostic-section {
  padding: clamp(34px, 6vw, 84px) clamp(18px, 5vw, 72px);
  background: var(--navy);
}

.diagnostic-shell {
  display: grid;
  grid-template-columns: minmax(250px, 0.34fr) minmax(0, 0.66fr);
  gap: 26px;
  max-width: 1320px;
  margin: 0 auto;
}

.progress-panel,
.diagnostic-form {
  background: var(--white);
  border-radius: var(--radius);
}

.progress-panel {
  position: sticky;
  top: 100px;
  align-self: start;
  padding: 28px;
}

.progress-panel p:not(.eyebrow) {
  color: var(--muted);
}

.step-list {
  display: grid;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  padding: 10px 12px;
  color: var(--muted);
  background: #f4f6f7;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 900;
}

.step-list li.active {
  color: var(--white);
  background: var(--red);
}

.diagnostic-form {
  min-height: 680px;
  padding: clamp(22px, 4vw, 44px);
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--navy);
  font-weight: 900;
}

input,
select {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  color: var(--ink);
  background: #f9fbfc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  outline: 0;
}

input:focus,
select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(7, 188, 193, 0.16);
}

.consent {
  grid-template-columns: auto 1fr;
  align-items: start;
  margin-top: 22px;
  color: var(--muted);
  font-weight: 700;
}

.consent input {
  width: 18px;
  min-height: 18px;
  margin-top: 3px;
}

.question-group {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.question-card {
  padding: 18px;
  background: #f9fbfc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.question-card header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.question-card p {
  max-width: 780px;
  margin: 6px 0 0;
  color: var(--muted);
}

.score-value {
  min-width: 54px;
  padding: 7px 10px;
  color: var(--white);
  background: var(--navy);
  border-radius: var(--radius);
  text-align: center;
  font-weight: 900;
}

input[type="range"] {
  min-height: auto;
  margin-top: 18px;
  padding: 0;
  accent-color: var(--red);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.hidden {
  display: none !important;
}

.result-content {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.result-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: center;
  padding: 24px;
  color: var(--white);
  background: var(--navy);
  border-radius: var(--radius);
}

.result-number {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 900;
  line-height: 0.9;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.result-table th,
.result-table td {
  padding: 13px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.result-table th {
  color: var(--white);
  background: var(--navy);
}

.result-table tr:last-child td {
  border-bottom: 0;
}

.priority-box {
  padding: 18px;
  background: var(--soft-red);
  border: 1px solid rgba(191, 7, 4, 0.18);
  border-radius: var(--radius);
}

.priority-box ol {
  margin: 12px 0 0;
  padding-left: 22px;
}

.submit-status {
  min-height: 24px;
  color: var(--muted);
  font-weight: 900;
}

.closing-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 42px;
  align-items: end;
  background: var(--gold);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 6vw, 86px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--navy);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .top-nav {
    display: none;
  }

  .hero,
  .section-heading,
  .diagnostic-shell,
  .closing-section {
    grid-template-columns: 1fr;
  }

  .progress-panel {
    position: static;
  }

  .method-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .brand img {
    width: 126px;
  }

  .header-cta {
    padding: 9px 12px;
  }

  .hero {
    min-height: auto;
  }

  .field-grid,
  .result-hero {
    grid-template-columns: 1fr;
  }

  .question-card header {
    display: grid;
  }

  .form-actions {
    display: grid;
  }

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

  .site-footer {
    display: grid;
  }
}