:root {
  --bg: #071109;
  --bg-alt: #0d1710;
  --surface: rgba(15, 28, 18, 0.92);
  --surface-strong: #112615;
  --surface-soft: rgba(18, 30, 20, 0.72);
  --line: rgba(177, 255, 106, 0.18);
  --line-strong: rgba(177, 255, 106, 0.34);
  --text: #f4f7f0;
  --muted: #a6b6a4;
  --brand: #b7ff46;
  --brand-strong: #67dd1f;
  --brand-deep: #14350f;
  --warning: #ffcf5a;
  --danger: #ff7a78;
  --success: #82f0a0;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1240px;
  --font-display: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  --font-body: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(103, 221, 31, 0.22), transparent 24rem),
    radial-gradient(circle at top left, rgba(183, 255, 70, 0.12), transparent 28rem),
    linear-gradient(180deg, #030704, #071109 32%, #09140c 100%);
  font-family: var(--font-body);
}

img {
  max-width: 100%;
  display: block;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.site-shell {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 20px 20px 88px;
}

.noscript-banner {
  padding: 12px 18px;
  text-align: center;
  background: #2d2000;
  color: #fff0c0;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 16, 10, 0.82);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 56px;
  height: 56px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(183, 255, 70, 0.28));
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.brand-wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2vw, 2rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-nav a {
  padding: 10px 14px;
  color: var(--muted);
  border-radius: 999px;
  transition: 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(183, 255, 70, 0.08);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
}

.view-section {
  display: none;
}

.view-section.is-active {
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: stretch;
}

.panel,
.card,
.guide-card,
.metric-card,
.result-card,
.compare-card,
.step-card,
.method-card {
  background: linear-gradient(180deg, rgba(18, 33, 21, 0.94), rgba(10, 18, 12, 0.96));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-side,
.panel,
.card,
.guide-card,
.metric-card,
.result-card,
.compare-card,
.step-card,
.method-card {
  padding: 28px;
}

.hero-copy {
  position: relative;
  overflow: hidden;
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: -20% auto auto -10%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(183, 255, 70, 0.18), transparent 65%);
  pointer-events: none;
}

.hero h1,
.section-title,
.detail-title,
.panel h2,
.card h2,
.card h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 0.94;
  text-transform: uppercase;
  max-width: 11ch;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.hero-actions,
.stack-actions,
.results-actions,
.questionnaire-actions,
.filter-chips,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-btn,
.secondary-btn,
.ghost-btn,
.compare-pill,
.tag {
  border-radius: 999px;
  border: 1px solid transparent;
  transition: 180ms ease;
}

.primary-btn,
.secondary-btn,
.ghost-btn {
  padding: 12px 18px;
}

.primary-btn {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #081006;
  font-weight: 700;
}

.primary-btn:hover {
  transform: translateY(-1px);
}

.secondary-btn {
  background: rgba(183, 255, 70, 0.08);
  color: var(--text);
  border-color: var(--line-strong);
}

.ghost-btn {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}

.hero-side {
  display: grid;
  gap: 16px;
}

.hero-visual {
  min-height: 260px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, rgba(183, 255, 70, 0.16), transparent 58%),
    linear-gradient(145deg, rgba(183, 255, 70, 0.08), transparent 55%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.hero-visual img {
  width: min(75%, 280px);
}

.metric-grid,
.trust-grid,
.differentiator-grid,
.guide-grid,
.method-grid,
.detail-grid,
.cost-grid,
.result-grid,
.home-grid {
  display: grid;
  gap: 18px;
}

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

.metric-card h3 {
  margin: 0 0 8px;
  font-size: 2rem;
  color: var(--brand);
}

.section-block {
  margin-top: 26px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.section-heading p,
.panel p,
.card p,
.metric-card p,
.guide-card p,
.method-card p,
.result-card p,
.detail-panel p {
  color: var(--muted);
  line-height: 1.6;
}

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

.trust-grid,
.differentiator-grid,
.guide-grid,
.method-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.questionnaire-layout,
.results-layout {
  display: grid;
  gap: 22px;
  grid-template-columns: 320px minmax(0, 1fr);
}

.sticky-panel {
  position: sticky;
  top: 110px;
  align-self: start;
}

.progress-bar {
  height: 10px;
  margin: 18px 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--brand-strong));
  transition: width 220ms ease;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.92rem;
  color: var(--muted);
}

.step-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.step-pill {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

.step-pill.is-current {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(183, 255, 70, 0.08);
}

.step-pill.is-complete {
  color: var(--success);
}

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

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

.field {
  display: grid;
  gap: 8px;
}

.field label,
.field legend {
  font-size: 0.95rem;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px rgba(183, 255, 70, 0.1);
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.option-card {
  position: relative;
  display: flex;
  align-items: start;
  gap: 10px;
  padding: 14px 14px 14px 42px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
}

.option-card input {
  position: absolute;
  inset: 14px auto auto 14px;
}

.option-card strong {
  display: block;
  margin-bottom: 4px;
}

.help-text,
.field-note,
.small-copy {
  color: var(--muted);
  font-size: 0.9rem;
}

.validation-error {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 122, 120, 0.12);
  border: 1px solid rgba(255, 122, 120, 0.26);
  color: #ffd3d2;
}

.result-card {
  display: grid;
  gap: 18px;
}

.result-card.featured {
  border-color: rgba(183, 255, 70, 0.3);
}

.result-topline,
.detail-topline {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.score-badge,
.status-badge,
.compare-pill,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 700;
}

.score-badge {
  color: #081006;
  background: linear-gradient(135deg, var(--brand), #defe9e);
}

.status-badge {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.status-badge.warning {
  color: #ffe39f;
  border-color: rgba(255, 207, 90, 0.2);
}

.status-badge.danger {
  color: #ffcdcb;
  border-color: rgba(255, 122, 120, 0.2);
}

.tag {
  background: rgba(183, 255, 70, 0.08);
  color: var(--text);
  border: 1px solid rgba(183, 255, 70, 0.16);
}

.list-grid {
  display: grid;
  gap: 10px;
}

.list-grid ul,
.detail-grid ul,
.method-card ul,
.guide-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

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

.compare-drawer {
  position: fixed;
  right: 20px;
  bottom: 18px;
  z-index: 22;
  width: min(100%, 380px);
}

.compare-card {
  padding: 18px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  padding: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  vertical-align: top;
}

.detail-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
}

.detail-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.68);
}

.detail-panel {
  position: absolute;
  top: 24px;
  right: 24px;
  bottom: 24px;
  width: min(820px, calc(100% - 48px));
  overflow: auto;
  padding: 24px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #0d1710, #09110b);
  box-shadow: var(--shadow);
}

.detail-close {
  position: sticky;
  top: 0;
  margin-left: auto;
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-top: 36px;
  padding: 22px 4px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.empty-state {
  padding: 32px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
}

@media (max-width: 1080px) {
  .hero,
  .questionnaire-layout,
  .results-layout,
  .home-grid,
  .trust-grid,
  .differentiator-grid,
  .guide-grid,
  .method-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .sticky-panel {
    position: static;
  }

  .site-header {
    border-radius: 28px;
  }
}

@media (max-width: 760px) {
  .site-shell {
    padding: 14px 14px 110px;
  }

  .site-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    border-radius: 24px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    grid-column: 1 / -1;
    display: none;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-copy,
  .hero-side,
  .panel,
  .card,
  .guide-card,
  .metric-card,
  .result-card,
  .compare-card,
  .step-card,
  .method-card,
  .detail-panel {
    padding: 22px;
  }

  .field-grid,
  .option-grid,
  .cost-grid,
  .detail-grid,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .result-topline,
  .detail-topline,
  .section-heading,
  .site-footer {
    flex-direction: column;
    align-items: start;
  }

  .compare-drawer {
    right: 14px;
    left: 14px;
    width: auto;
  }

  .detail-panel {
    top: 14px;
    right: 14px;
    bottom: 14px;
    left: 14px;
    width: auto;
  }
}