:root {
  --font-sans: "Space Grotesk", "Sora", sans-serif;
  --bg: #05060a;
  --surface: rgba(14, 18, 30, 0.8);
  --card: rgba(14, 18, 30, 0.9);
  --accent: #56cfe1;
  --accent-strong: #ff4f70;
  --muted: #8d96a8;
  --text: #eff3ff;
  --border: rgba(255, 255, 255, 0.15);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: radial-gradient(circle at 20% 20%, #0b3550, #020307 70%);
  color: var(--text);
  line-height: 1.6;
}

body.home-page main,
body.login-page main {
  position: relative;
  z-index: 2;
}

.background-orbs {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.orb {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.5;
  animation: float 18s ease-in-out infinite;
}

.orb-one {
  background: #2f7fff;
  top: -80px;
  left: -60px;
}

.orb-two {
  background: #ff74b7;
  bottom: 10%;
  right: 8%;
  animation-delay: 4s;
}

.orb-three {
  background: #19d8b8;
  top: 30%;
  right: 30%;
  animation-delay: 8s;
}

@keyframes float {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(30px, -40px, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

.site-header {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 5vw;
  backdrop-filter: blur(12px);
  background: rgba(5, 6, 10, 0.65);
  border-bottom: 1px solid var(--border);
  z-index: 3;
}

.brand {
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 18px;
  align-items: center;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  opacity: 0.85;
}

.pill-link {
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 8px 16px;
  border-radius: 999px;
}

.intro-section {
  padding: 80px 5vw 40px;
  display: flex;
  justify-content: center;
}

.hero-copy {
  width: min(900px, 100%);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-copy h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  margin-top: 0;
}

.hero-benefits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--muted);
}

.hero-benefits li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.hero-benefits li::before {
  content: "•";
  color: var(--accent);
  line-height: 1;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-size: 0.75rem;
  color: var(--muted);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 24px 0;
}

.cta {
  border: none;
  border-radius: 16px;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta.primary {
  background: linear-gradient(120deg, #56cfe1, #4895ef);
  color: #05060a;
  box-shadow: var(--shadow);
}

.cta.ghost {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--text);
  background: transparent;
}

.cta:hover {
  transform: translateY(-2px);
}

.confidence-pill {
  display: inline-flex;
  gap: 16px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  font-size: 0.85rem;
}

.hero-card {
  background: var(--surface);
  border-radius: 32px;
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.primary-tool {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tool-subcopy {
  margin: 0;
  color: var(--muted);
}

.hero-card-score {
  font-size: 3.5rem;
  font-weight: 600;
  margin: 16px 0;
}

.hero-card-bars .bar {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
  margin: 8px 0 16px;
}

.hero-card-bars .bar span {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, #56cfe1, #ff4f70);
  width: 50%;
}

.panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
  padding: 40px 5vw 80px;
}

.panel-copy {
  background: var(--surface);
  padding: 32px;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.method-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}

.method-list li {
  padding: 12px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.panel-tool {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
}

.primary-tool form {
  margin-top: 8px;
}

.calculator-section {
  padding: 20px 5vw 60px;
}

.calculator-section .panel-tool {
  width: min(640px, 100%);
  margin: 0 auto;
}

form {
  display: grid;
  gap: 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field.with-action .field-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.micro-btn {
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.micro-btn:hover,
.micro-btn:focus-visible {
  background: var(--accent);
  color: #05060a;
}

.form-field.inline select {
  width: 100%;
}

label {
  font-weight: 500;
}

input,
select,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(5, 6, 10, 0.5);
  color: var(--text);
  padding: 12px 14px;
  font-size: 1rem;
}

small {
  color: var(--muted);
}

.results-card {
  margin-top: 24px;
  background: var(--card);
  border-radius: 24px;
  padding: 24px;
  border: 1px solid var(--border);
}

.results-ensemble {
  margin-top: 0;
  width: min(1100px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.result-score {
  font-size: 3rem;
  font-weight: 600;
  margin: 0;
}

.result-score span {
  font-size: 1.2rem;
  color: var(--muted);
}

.result-status {
  font-size: 1.1rem;
  margin: 12px 0 20px;
}

.result-status.positive {
  color: #83f4c0;
}

/* Modal gate */
.gate-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: rgba(5, 6, 10, 0.8);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 5;
}

.gate-modal.is-visible {
  opacity: 1;
  pointer-events: all;
}

.gate-modal__panel {
  width: min(520px, 100%);
  background: var(--card);
  border-radius: 28px;
  border: 1px solid var(--border);
  padding: 36px;
  box-shadow: var(--shadow);
  text-align: left;
  animation: lift-in 0.45s ease forwards;
}

.modal-actions {
  display: flex;
  gap: 16px;
  margin-top: 28px;
}

@keyframes lift-in {
  from {
    transform: translateY(24px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Session results */
.session-section {
  padding: 80px 5vw 120px;
  position: relative;
  z-index: 2;
}

.session-heading {
  width: min(880px, 100%);
  margin: 0 auto 48px;
  text-align: center;
}

.session-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.session-card {
  background: rgba(13, 16, 27, 0.85);
  border-radius: 28px;
  border: 1px solid var(--border);
  padding: 32px;
  box-shadow: var(--shadow);
}

.card-subcopy {
  margin-top: 0;
  color: var(--muted);
}

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

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.95rem;
}

.checkbox-field input[type="checkbox"] {
  width: auto;
  accent-color: #56cfe1;
}

.form-feedback {
  min-height: 20px;
  font-size: 0.9rem;
  color: var(--muted);
}

.dashboard-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dashboard-locked {
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

.dashboard-body[hidden] {
  display: none;
}

.dashboard-body {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.dashboard-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.session-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.stat-card {
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(86, 207, 225, 0.15), rgba(255, 79, 112, 0.15));
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-card strong {
  display: block;
  font-size: 1.4rem;
}

.session-chart {
  height: 280px;
}

.session-table {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.session-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.session-row__info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.session-row__badge {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(86, 207, 225, 0.2);
  color: var(--text);
  font-size: 0.85rem;
}

.course-tags {
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 768px) {
  .modal-actions {
    flex-direction: column;
  }

  .form-field.inline.duo {
    grid-template-columns: 1fr;
  }

  .dashboard-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .session-chart {
    height: 220px;
  }
}

.result-status.negative {
  color: #ff9fb3;
}

.result-cutoff {
  margin: -8px 0 16px;
  font-size: 0.85rem;
  color: var(--muted);
}

.results-section {
  padding: 20px 5vw 80px;
}

.results-heading h2 {
  margin: 8px 0 0;
}

.results-body {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
  gap: 32px;
  align-items: flex-start;
}

.chart-section {
  padding: 0 5vw 80px;
}

.chart-panel {
  width: min(1100px, 100%);
  margin: 0 auto;
  background: var(--card);
  border-radius: 24px;
  border: 1px solid var(--border);
  padding: 32px;
}

.chart-heading h2 {
  margin: 8px 0;
}

.chart-toolbar {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
}

.chart-toolbar .form-field {
  min-width: 220px;
}

.chart-caption {
  flex: 1;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.chart-canvas {
  margin-top: 28px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 20px;
}

.chart-canvas canvas {
  width: 100%;
  min-height: 360px;
}

.results-output {
  min-height: 260px;
}

.result-empty {
  padding: 16px;
  border-radius: 18px;
  border: 1px dashed rgba(255, 255, 255, 0.2);
  color: var(--muted);
}

.insight-stack {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.score-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.score-pill strong {
  font-size: 2.5rem;
}

.score-status {
  margin: 0;
  font-weight: 500;
}

.score-status.positive {
  color: #83f4c0;
}

.score-status.negative {
  color: #ff9fb3;
}

#cutoffValue {
  font-weight: 600;
}

.hero-card-bars.compact {
  gap: 10px;
}

.hero-card-bars.compact .bar {
  height: 6px;
  margin-top: 6px;
}

.result-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.result-breakdown strong {
  font-size: 1.25rem;
}

.result-breakdown p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.course-list {
  display: grid;
  gap: 12px;
}

.course-item {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-item p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.tiny-text {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 4px 0 0;
}

.badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.badge.pass {
  background: rgba(131, 244, 192, 0.15);
  color: #83f4c0;
}

.badge.fail {
  background: rgba(255, 129, 154, 0.15);
  color: #ff819a;
}

.site-footer {
  padding: 32px 5vw 48px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

/* Login page */
.login-shell {
  min-height: calc(100vh - 120px);
  display: grid;
  place-items: center;
  padding: 60px 5vw 40px;
}

.login-card {
  width: min(720px, 100%);
  background: var(--surface);
  padding: 40px;
  border-radius: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.back-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin: 24px 0;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.full-row {
  grid-column: 1 / -1;
}

textarea {
  resize: vertical;
}

.consent {
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.form-feedback {
  min-height: 24px;
  margin-top: 12px;
  color: var(--accent);
}

/* Method section */
.method-section {
  padding: 80px 5vw 100px;
  display: grid;
  gap: 36px;
}

.method-header {
  max-width: 720px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.formula-card {
  background: rgba(14, 18, 30, 0.9);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.formula-card ul {
  margin: 16px 0;
  padding-left: 20px;
  color: var(--muted);
}

.formula-card li {
  margin-bottom: 6px;
}

.formula-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.method-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}

.method-card h3 {
  margin-top: 0;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    gap: 12px;
  }

  .panel-tool,
  .panel-copy,
  .hero-card {
    padding: 24px;
  }

  .intro-section {
    padding-top: 48px;
  }

  .cta {
    width: 100%;
  }

  .hero-benefits {
    font-size: 0.9rem;
  }

  .results-body {
    grid-template-columns: 1fr;
  }

  .insight-stack {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-left: 0;
    padding-top: 24px;
  }

  .chart-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .chart-caption {
    font-size: 0.85rem;
  }
}