:root {
  color-scheme: light;
  --sp-navy: #06143A;
  --sp-blue: #2563EB;
  --sp-blue-dark: #0B3A8F;
  --sp-teal: #19C6D2;
  --sp-violet: #6D4DFF;
  --sp-bg-soft: #F6F9FF;
  --ink: #172033;
  --muted: #64748B;
  --line: #DCE8FF;
  --page-bg: #FBFDFF;
  --surface: #ffffff;
  --surface-raised: #FDFEFF;
  --surface-soft: #F9FBFF;
  --soft: var(--sp-bg-soft);
  --soft-strong: #EAF3FF;
  --brand: var(--sp-navy);
  --brand-dark: #031033;
  --brand-bright: var(--sp-blue);
  --accent: var(--sp-teal);
  --accent-soft: #E8FBFC;
  --violet: var(--sp-violet);
  --warning-soft: #fff8ef;
  --warning-line: #f0d2aa;
  --nav-bg: rgba(255, 255, 255, .96);
  --hero-bg: linear-gradient(180deg, #ffffff 0%, var(--sp-bg-soft) 68%, #EAF3FF 100%);
  --panel-bg: linear-gradient(180deg, #ffffff 0%, #FDFEFF 100%);
  --highlight-bg: linear-gradient(180deg, #FDFEFF 0%, var(--soft-strong) 100%);
  --ink-section-bg: linear-gradient(135deg, var(--brand) 0%, var(--sp-blue-dark) 100%);
  --on-dark: #ffffff;
  --on-accent: #ffffff;
  --focus-ring: rgba(34, 199, 201, .22);
  --focus-outline: rgba(37, 99, 235, .45);
  --interactive-line: rgba(6, 20, 58, .24);
  --interactive-line-hover: rgba(37, 99, 235, .2);
  --interactive-line-strong: rgba(37, 99, 235, .28);
  --accent-line: rgba(34, 199, 201, .38);
  --accent-line-strong: rgba(25, 198, 210, .65);
  --form-bg: #ffffff;
  --form-text: var(--ink);
  --form-placeholder: #64748B;
  --error: #9f1d1d;
  --error-line: #c52c2c;
  --tooltip-bg: #172033;
  --tooltip-text: #ffffff;
  --shadow: 0 18px 45px rgba(6, 20, 58, .08);
  --shadow-hover: 0 20px 42px rgba(7, 27, 95, .1);
  --shadow-soft: 0 10px 24px rgba(7, 27, 95, .05);
  --nav-shadow: 0 8px 30px rgba(6, 20, 58, .04);
  --brand-mark-shadow: 0 8px 18px rgba(37, 99, 235, .16);
  --primary-shadow: 0 10px 20px rgba(37, 99, 235, .16);
  --primary-shadow-hover: 0 12px 24px rgba(11, 58, 143, .18);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --sp-blue: #3B82F6;
  --sp-blue-dark: #2563EB;
  --sp-teal: #2DD4BF;
  --sp-violet: #A78BFA;
  --sp-bg-soft: #171A20;
  --ink: #F4F7FB;
  --muted: #B8C0CC;
  --line: #323842;
  --page-bg: #101114;
  --surface: #181B20;
  --surface-raised: #1D2128;
  --surface-soft: #20242B;
  --soft: #171A20;
  --soft-strong: #242932;
  --brand: #F4F7FB;
  --brand-dark: #FFFFFF;
  --brand-bright: #7DB7FF;
  --accent: #38BDF8;
  --accent-soft: #252B33;
  --violet: #C4B5FD;
  --warning-soft: #2A2418;
  --warning-line: #5E5133;
  --nav-bg: rgba(16, 17, 20, .96);
  --hero-bg: linear-gradient(180deg, #101114 0%, #16191F 72%, #181B20 100%);
  --panel-bg: linear-gradient(180deg, #1D2128 0%, #181B20 100%);
  --highlight-bg: linear-gradient(180deg, #20242B 0%, #1A1E24 100%);
  --ink-section-bg: linear-gradient(135deg, #111317 0%, #1E232B 100%);
  --on-dark: #F4F7FB;
  --on-accent: #ffffff;
  --focus-ring: rgba(56, 189, 248, .22);
  --focus-outline: rgba(125, 183, 255, .78);
  --interactive-line: rgba(184, 192, 204, .22);
  --interactive-line-hover: rgba(184, 192, 204, .34);
  --interactive-line-strong: rgba(184, 192, 204, .42);
  --accent-line: rgba(56, 189, 248, .26);
  --accent-line-strong: rgba(56, 189, 248, .44);
  --form-bg: #15181E;
  --form-text: #F4F7FB;
  --form-placeholder: #9AA4B2;
  --error: #FFB4B4;
  --error-line: #FF7777;
  --tooltip-bg: #F4F7FB;
  --tooltip-text: #101114;
  --shadow: 0 18px 45px rgba(0, 0, 0, .28);
  --shadow-hover: 0 22px 46px rgba(0, 0, 0, .34);
  --shadow-soft: 0 10px 24px rgba(0, 0, 0, .22);
  --nav-shadow: 0 8px 30px rgba(0, 0, 0, .24);
  --brand-mark-shadow: 0 8px 18px rgba(56, 189, 248, .12);
  --primary-shadow: 0 10px 22px rgba(59, 130, 246, .22);
  --primary-shadow-hover: 0 12px 26px rgba(56, 189, 248, .18);
}

body {
  color: var(--ink);
  background: var(--page-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

a {
  color: var(--brand);
  overflow-wrap: anywhere;
}

a:hover {
  color: var(--brand-bright);
}

:root[data-theme="dark"] a:not(.btn):not(.resource-card) {
  color: var(--brand-bright);
}

:root[data-theme="dark"] a:not(.btn):not(.resource-card):hover {
  color: var(--accent);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.form-select:focus,
.form-check-input:focus,
.form-control:focus {
  box-shadow: 0 0 0 .2rem var(--focus-ring);
  outline: 2px solid var(--focus-outline);
  outline-offset: 2px;
}

.form-select,
.form-control {
  background-color: var(--form-bg);
  border-color: var(--line);
  color: var(--form-text);
}

.form-select:focus,
.form-control:focus {
  background-color: var(--form-bg);
  border-color: var(--brand-bright);
  color: var(--form-text);
}

.form-select option {
  background: var(--form-bg);
  color: var(--form-text);
}

.form-check-input {
  background-color: var(--form-bg);
  border-color: var(--interactive-line);
}

.form-check-input:checked {
  background-color: var(--sp-blue);
  border-color: var(--sp-blue);
}

.alert-danger,
.invalid-feedback {
  color: var(--error);
}

.alert-danger {
  background: color-mix(in srgb, var(--error-line) 12%, var(--surface));
  border-color: color-mix(in srgb, var(--error-line) 40%, var(--line));
}

.text-muted {
  color: var(--muted) !important;
}

.tech-term-wrap {
  display: inline-flex;
  position: relative;
  vertical-align: baseline;
  max-width: 100%;
}

.tech-term {
  align-items: center;
  background: transparent;
  border: 0;
  border-bottom: 1px dotted var(--brand-bright);
  color: inherit;
  cursor: help;
  display: inline-flex;
  font: inherit;
  gap: 4px;
  line-height: inherit;
  padding: 0;
  text-align: left;
}

.tech-term__label {
  overflow-wrap: anywhere;
}

.tech-term:focus {
  border-radius: 4px;
  outline: 2px solid var(--focus-outline);
  outline-offset: 2px;
}

.tech-term__icon {
  align-items: center;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--brand);
  display: inline-flex;
  font-size: .68rem;
  font-weight: 800;
  height: 17px;
  justify-content: center;
  line-height: 1;
  width: 17px;
}

.tech-term__bubble {
  background: var(--tooltip-bg);
  border-radius: 8px;
  bottom: calc(100% + 8px);
  box-shadow: 0 12px 28px rgba(7, 27, 95, .18);
  color: var(--tooltip-text);
  font-size: .86rem;
  font-weight: 500;
  left: 0;
  line-height: 1.4;
  max-width: min(340px, calc(100vw - 32px));
  opacity: 0;
  overflow-wrap: anywhere;
  padding: 10px 12px;
  pointer-events: none;
  position: absolute;
  text-align: left;
  transform: translateY(4px);
  transition: opacity .15s ease, transform .15s ease;
  visibility: hidden;
  white-space: normal;
  width: max-content;
  z-index: 30;
}

.tech-term__bubble::before {
  content: attr(data-definition);
}

.tech-term-wrap:hover .tech-term__bubble,
.tech-term:focus + .tech-term__bubble,
.tech-term:active + .tech-term__bubble {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.tooltip-help {
  align-items: center;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  padding: 12px 14px;
}

.tooltip-help > span:first-child {
  color: var(--muted);
  font-weight: 800;
}

.navbar-brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  gap: 10px;
}

.brand-mark {
  border-radius: 8px;
  box-shadow: var(--brand-mark-shadow);
  flex: 0 0 auto;
}

.site-nav {
  background: var(--nav-bg) !important;
  border-color: var(--line) !important;
  box-shadow: var(--nav-shadow);
}

.site-nav .nav-link {
  border-radius: 8px;
  color: var(--ink);
  font-weight: 650;
}

.site-nav .navbar-collapse {
  min-width: 0;
}

.site-nav .navbar-nav {
  min-width: 0;
}

.site-nav .btn {
  align-items: center;
  display: inline-flex;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
}

.site-nav .nav-link:hover {
  background: var(--soft);
  color: var(--brand-bright);
}

.navbar-toggler {
  border-color: var(--interactive-line);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 .2rem var(--focus-ring);
}

:root[data-theme="dark"] .navbar-toggler-icon {
  filter: invert(1) grayscale(1) brightness(1.8);
}

.theme-toggle {
  align-items: center;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  display: inline-flex;
  font-weight: 800;
  gap: 8px;
  min-height: 38px;
  padding: 7px 11px;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.theme-toggle:hover {
  background: var(--soft);
  border-color: var(--interactive-line-strong);
  color: var(--brand-bright);
}

.theme-toggle__icon {
  background: var(--brand-bright);
  border-radius: 50%;
  box-shadow: inset -5px -3px 0 rgba(255, 255, 255, .85);
  display: inline-flex;
  height: 16px;
  width: 16px;
}

:root[data-theme="dark"] .theme-toggle__icon {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(67, 217, 226, .12);
}

.theme-toggle__text {
  line-height: 1;
}

.btn {
  border-radius: 8px;
  font-weight: 700;
  min-height: 44px;
  padding-inline: 18px;
}

.btn-primary {
  background: var(--sp-blue);
  border-color: var(--sp-blue);
  color: var(--on-accent);
  box-shadow: var(--primary-shadow);
}

.btn-primary:hover {
  background: var(--sp-blue-dark);
  border-color: var(--sp-blue-dark);
  color: var(--on-accent);
  box-shadow: var(--primary-shadow-hover);
}

.btn-outline-secondary {
  border-color: var(--interactive-line);
  color: var(--brand);
}

.btn-outline-secondary:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--surface);
}

.btn-light {
  background: var(--surface);
  border-color: var(--surface);
  color: var(--brand);
}

.btn-light:hover {
  background: var(--soft);
  border-color: var(--soft);
  color: var(--brand-bright);
}

.hero {
  padding: 88px 0 72px;
  background: var(--hero-bg);
}

.hero h1,
.section h1 {
  font-size: clamp(2.25rem, 4vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: 0;
  margin-bottom: 1.25rem;
}

.section h2 {
  letter-spacing: 0;
}

.lead {
  color: var(--muted);
  font-size: 1.15rem;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 24px;
}

.hero-facts span {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-size: .92rem;
  font-weight: 800;
  padding: 8px 12px;
}

.badge.text-bg-light {
  background: var(--soft) !important;
  border: 1px solid var(--line);
  color: var(--brand) !important;
}

:root[data-theme="dark"] .badge.text-bg-light {
  background: var(--surface-soft) !important;
  color: var(--muted) !important;
}

.hero-actions {
  margin-top: 4px;
}

.hero-actions .btn {
  white-space: normal;
}

.eyebrow {
  color: var(--brand-bright);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
  margin-bottom: .75rem;
  text-transform: uppercase;
}

.section {
  padding: 72px 0;
}

.bg-soft {
  background: var(--soft);
}

.bg-ink {
  background: var(--ink-section-bg);
  color: var(--on-dark);
}

.bg-ink .lead {
  color: color-mix(in srgb, var(--on-dark) 78%, transparent);
}

.narrow {
  max-width: 820px;
}

.builder-shell {
  max-width: 1120px;
}

.hero-panel,
.info-card,
.tool-card,
.side-panel,
.builder-form,
.builder-guide {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-top-color: var(--accent-line-strong);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero-panel::before,
.info-card::before,
.tool-card::before,
.side-panel::before,
.builder-form::before,
.builder-guide::before,
.resource-card::before,
.resource-group-block::before,
.guide-summary-card::before,
.stack-category-item::before,
.mini-tool-card::before,
.stack-option::before {
  background: linear-gradient(90deg, var(--sp-blue), var(--sp-teal), var(--sp-violet));
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.hero-panel,
.info-card,
.side-panel,
.builder-form,
.builder-guide {
  padding: 28px;
}

.builder-layout {
  align-items: start;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.38fr);
}

.builder-guide {
  position: sticky;
  top: 96px;
}

.builder-guide h2 {
  font-size: 1.45rem;
  margin-bottom: 16px;
}

.builder-guide .eyebrow {
  margin-bottom: .45rem;
}

.builder-guide .check-list li {
  padding-left: 24px;
}

.builder-guide .check-list strong {
  display: block;
}

.builder-guide .check-list span {
  color: var(--muted);
  display: block;
  margin-top: 2px;
}

.builder-intro {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 20px;
}

.builder-intro > div,
.submit-note {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-line-strong);
  border-radius: 8px;
  padding: 14px 16px;
}

.builder-intro strong {
  display: block;
  font-size: .95rem;
}

.builder-intro span,
.submit-note {
  color: var(--muted);
}

.submit-note {
  margin: 8px 0 16px;
}

.builder-submit-panel {
  margin-top: 18px;
}

.builder-form .has-error .form-label,
.builder-form .has-error .form-check-label {
  color: var(--error);
}

.builder-form .has-error .form-select,
.builder-form .has-error .form-check-input {
  border-color: var(--error-line);
}

.builder-question-list {
  display: grid;
  gap: 18px;
}

.builder-question {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-raised);
  padding: 18px;
}

.builder-question:focus-within {
  border-color: var(--focus-outline);
  box-shadow: var(--shadow-soft);
}

.builder-question-number {
  color: var(--brand);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .08em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.builder-question .form-label,
.builder-question .form-check-label {
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 8px;
}

.builder-question .form-select {
  margin-top: 4px;
  min-height: 48px;
}

.builder-question .form-text {
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.45;
  margin-top: 8px;
}

.builder-checkbox {
  align-items: flex-start;
  display: flex;
  gap: 10px;
  margin-bottom: 0;
  min-height: auto;
  padding-left: 0;
}

.builder-checkbox .form-check-input {
  flex: 0 0 auto;
  margin-left: 0;
  margin-top: .25rem;
}

.builder-checkbox .form-check-label {
  margin-bottom: 0;
}

.hero-panel h2,
.side-panel h2,
.side-panel h3 {
  font-size: 1.25rem;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  border-top: 1px solid var(--line);
  padding: 14px 0 14px 28px;
  position: relative;
}

.check-list li:first-child {
  border-top: 0;
}

.check-list li::before {
  background: var(--accent);
  border-radius: 50%;
  content: "";
  height: 8px;
  left: 4px;
  position: absolute;
  top: 24px;
  width: 8px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 32px;
}

.section-cta {
  align-items: center;
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-left: 4px solid var(--sp-teal);
  border-radius: 8px;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-top: 28px;
  padding: 18px;
}

.section-cta p {
  color: var(--muted);
  margin: 0;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.chip,
.tool-meta span,
.category-strip span {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  display: inline-flex;
  font-size: .92rem;
  font-weight: 700;
  padding: 8px 12px;
  overflow-wrap: anywhere;
}

.chip-link {
  text-decoration: none;
}

.chip:hover,
.category-strip span {
  background: var(--soft);
  border-color: var(--interactive-line-hover);
}

.chip-link:hover {
  color: var(--brand-bright);
}

.chip-link:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 3px;
}

:root[data-theme="dark"] a.chip-link {
  color: var(--ink);
}

:root[data-theme="dark"] a.chip-link:hover {
  color: var(--brand-bright);
}

.info-card {
  height: 100%;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}

.info-card:hover,
.tool-card:hover,
.mini-tool-card:hover,
.stack-category-item:hover {
  border-color: var(--interactive-line-strong);
  box-shadow: var(--shadow-hover);
}

.info-card h3,
.tool-card h3,
.resource-card h2 {
  font-size: 1.35rem;
}

.results-header {
  max-width: 980px;
  margin-bottom: 28px;
}

.results-shell {
  max-width: 1200px;
}

.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.metric-row span,
.notice,
.disclaimer,
.fit-explanation,
.trust-note {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
}

.metric-row span {
  min-width: min(100%, 220px);
}

.fit-explanation {
  align-items: start;
  background: var(--highlight-bg);
  border-color: var(--interactive-line-hover);
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
  margin-top: 18px;
  padding: 22px;
}

.fit-explanation h2 {
  font-size: 1.45rem;
  margin-bottom: 0;
}

.fit-explanation p:last-child,
.trust-note,
.empty-result-note {
  color: var(--muted);
}

.trust-note {
  margin-top: 24px;
}

.before-signup {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  margin-top: 18px;
  padding: 20px;
}

.before-signup h2 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.before-signup ul {
  color: var(--muted);
  margin: 0;
  padding-left: 1.15rem;
}

.before-signup li + li {
  margin-top: 6px;
}

.first-steps {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  margin-top: 24px;
  padding: 24px;
}

.first-steps,
.fit-explanation,
.trust-note,
.notice {
  box-shadow: var(--shadow-soft);
}

.first-steps h2 {
  font-size: 1.55rem;
  margin-bottom: 8px;
}

.first-steps p {
  color: var(--muted);
  margin-bottom: 0;
}

.first-steps ol {
  counter-reset: first-steps;
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.first-steps li {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 14px 14px 14px 48px;
  position: relative;
}

.first-steps li::before {
  align-items: center;
  background: var(--sp-blue);
  border-radius: 50%;
  color: var(--on-accent);
  content: counter(first-steps);
  counter-increment: first-steps;
  display: inline-flex;
  font-size: .85rem;
  font-weight: 800;
  height: 26px;
  justify-content: center;
  left: 14px;
  position: absolute;
  top: 16px;
  width: 26px;
}

.first-steps strong {
  color: var(--ink);
  display: block;
}

.result-group {
  border-top: 1px solid var(--line);
  margin-top: 46px;
  padding-top: 34px;
}

.result-group h2 {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  font-size: 1.6rem;
  gap: 9px;
  margin-bottom: 6px;
}

.result-group-heading {
  align-items: flex-start;
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
  max-width: 760px;
  min-width: 0;
}

.result-group-heading p {
  color: var(--muted);
  margin-bottom: 0;
}

.phase-label {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--brand);
  display: inline-flex;
  font-size: .64rem;
  font-weight: 800;
  letter-spacing: .05em;
  line-height: 1;
  padding: 4px 7px;
  text-transform: uppercase;
}

.phase-label--essential {
  background: var(--soft-strong);
  border-color: var(--interactive-line-strong);
}

.phase-label--recommended {
  background: var(--accent-soft);
  border-color: var(--accent-line);
}

.phase-label--optional {
  background: color-mix(in srgb, var(--violet) 16%, var(--surface));
  border-color: color-mix(in srgb, var(--violet) 36%, var(--line));
  color: var(--violet);
}

:root[data-theme="dark"] .phase-label {
  color: var(--muted);
}

:root[data-theme="dark"] .phase-label--essential,
:root[data-theme="dark"] .phase-label--recommended,
:root[data-theme="dark"] .phase-label--optional {
  background: var(--surface-soft);
  border-color: var(--line);
}

.category-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 28px;
  min-width: 0;
}

.category-group > h3 {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.results-grid,
.category-card-list {
  display: grid;
  gap: 24px;
}

.results-grid {
  align-items: stretch;
  grid-auto-rows: 1fr;
  grid-template-columns: 1fr;
}

.category-card-list {
  align-items: stretch;
  flex: 1;
  grid-auto-rows: 1fr;
}

.tool-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px;
  min-width: 0;
}

.tool-card__head {
  align-items: flex-start;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  margin-bottom: 14px;
  min-width: 0;
}

.tool-card__head > div {
  min-width: 0;
}

.tool-card__head h3 {
  margin: 8px 0 0;
  overflow-wrap: anywhere;
}

.result-tool-card dl {
  border-top: 1px solid var(--line);
  margin-top: 16px;
  padding-top: 16px;
}

.priority-badge {
  border-radius: 8px;
  color: var(--on-accent);
  display: inline-flex;
  font-size: .8rem;
  font-weight: 800;
  padding: 7px 10px;
  white-space: nowrap;
  max-width: 100%;
}

.priority-badge.essential {
  background: var(--sp-blue-dark);
}

.priority-badge.recommended {
  background: var(--brand-bright);
}

.priority-badge.optional {
  background: var(--violet);
}

:root[data-theme="dark"] .priority-badge.essential {
  background: #334155;
}

:root[data-theme="dark"] .priority-badge.recommended {
  background: #2563EB;
}

:root[data-theme="dark"] .priority-badge.optional {
  background: #5B4B8A;
}

dl {
  margin-bottom: 1rem;
}

dt {
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

dd {
  color: var(--muted);
  margin-bottom: .8rem;
}

.tool-meta,
.category-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.result-tool-card .tool-meta {
  margin-top: auto;
}

.tool-meta span {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--brand);
  font-size: .8rem;
  padding: 6px 9px;
}

:root[data-theme="dark"] .tool-meta span,
:root[data-theme="dark"] .category-strip span,
:root[data-theme="dark"] .resource-card__categories small,
:root[data-theme="dark"] .mini-tool-card .mini-tool-card__fit {
  background: var(--surface-soft);
  border-color: var(--line);
  color: var(--muted);
}

:root[data-theme="dark"] .mini-tool-card .mini-tool-card__category {
  color: var(--muted);
}

.link-note {
  color: var(--muted);
  font-size: .84rem;
  margin: 10px 0 0;
}

.disclaimer {
  color: var(--muted);
  margin-top: 40px;
}

.resource-card {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-top-color: var(--accent-line-strong);
  border-radius: 8px;
  color: var(--ink);
  display: block;
  height: 100%;
  padding: 24px;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease;
  overflow-wrap: anywhere;
  overflow: hidden;
  position: relative;
}

.resource-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.resource-card:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 3px;
}

.resource-card span {
  color: var(--brand-bright);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.resource-card__quick {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin-top: 16px;
  padding-top: 14px;
}

.resource-card__quick strong {
  color: var(--ink);
}

.resource-card__categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.resource-card__categories small {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--brand);
  font-weight: 700;
  padding: 5px 8px;
}

.homepage-guide-card {
  min-height: 100%;
}

.resource-group-list {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 42px;
}

.resource-group-block {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-top-color: var(--accent-line-strong);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  padding: 22px;
  overflow: hidden;
  position: relative;
}

.resource-group-heading h2 {
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.resource-group-heading p {
  color: var(--muted);
  margin-bottom: 14px;
}

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

.resource-link-list a {
  border-top: 1px solid var(--line);
  font-weight: 700;
  padding-top: 10px;
  text-decoration: none;
}

.resource-all-heading {
  margin-bottom: 22px;
}

.resource-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 14px;
}

.resource-trust-note {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  margin: 0;
  padding: 12px 14px;
}

.contact-box {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-left: 4px solid var(--sp-teal);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  margin: 24px 0;
  padding: 22px;
}

.contact-box h2 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.contact-box p {
  margin-bottom: 0;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  min-width: 0;
}

.article-body {
  font-size: 1.05rem;
}

.section-note,
.side-note {
  color: var(--muted);
}

.side-note {
  margin-bottom: 0;
}

.section-note {
  margin-bottom: 18px;
}

.guide-section {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

.guide-section h2 {
  font-size: 1.55rem;
  margin-bottom: 14px;
}

.guide-section h3 {
  font-size: 1.05rem;
}

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

.guide-summary-card {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-top-color: var(--accent-line-strong);
  border-radius: 8px;
  padding: 20px;
  overflow: hidden;
  position: relative;
}

.guide-priority-list {
  color: var(--muted);
  margin-bottom: 0;
  padding-left: 1.15rem;
}

.guide-priority-list li + li {
  margin-top: 8px;
}

.highlight-section,
.warning-section,
.build-cta {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 28px 0;
  padding: 24px;
}

.highlight-section,
.build-cta {
  background: var(--highlight-bg);
}

.warning-section {
  background: var(--warning-soft);
  border-color: var(--warning-line);
}

.stack-category-list,
.related-tools {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.related-tools {
  align-items: stretch;
  grid-auto-rows: 1fr;
}

.stack-category-item,
.mini-tool-card {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-top-color: var(--accent-line-strong);
  border-radius: 8px;
  padding: 18px;
  transition: border-color .15s ease, box-shadow .15s ease;
  min-width: 0;
  overflow-wrap: anywhere;
  overflow: hidden;
  position: relative;
}

.mini-tool-card {
  display: flex;
  flex-direction: column;
}

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

.stack-option {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-top-color: var(--accent-line-strong);
  border-radius: 8px;
  padding: 20px;
  overflow: hidden;
  position: relative;
}

.stack-option h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.mini-tool-card__labels {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.mini-tool-card .mini-tool-card__category,
.mini-tool-card .mini-tool-card__fit {
  color: var(--brand);
  display: inline-flex;
  font-size: .76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.mini-tool-card .mini-tool-card__fit {
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  color: var(--brand);
  font-size: .64rem;
  letter-spacing: .04em;
  line-height: 1;
  padding: 4px 7px;
}

.mini-tool-card dl {
  border-top: 1px solid var(--line);
  margin-top: 12px;
  padding-top: 12px;
}

.mini-tool-card .btn {
  margin-top: auto;
  width: fit-content;
}

.seo-tool-trust-note {
  margin-top: 18px;
}

.mini-tool-card p,
.stack-category-item p {
  color: var(--muted);
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 10px;
  padding: 14px 16px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  color: var(--muted);
  margin: 10px 0 0;
}

.side-panel {
  align-self: start;
  position: sticky;
  top: 92px;
}

.related-link {
  border-top: 1px solid var(--line);
  display: block;
  padding: 12px 0;
  text-decoration: none;
}

.side-note {
  font-size: .9rem;
  margin-top: 12px;
}

.site-footer {
  background: var(--surface);
  border-color: var(--line) !important;
  color: var(--muted);
  padding: 28px 0;
}

.site-footer .container {
  align-items: flex-start;
}

.site-footer p {
  flex: 1 1 520px;
  margin-right: auto;
  max-width: 700px;
  min-width: 0;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links {
  flex: 0 1 440px;
  flex-wrap: wrap;
  justify-content: flex-end;
  line-height: 1.3;
  min-width: 260px;
  row-gap: 8px !important;
}

.footer-links a,
.footer-link-button {
  white-space: nowrap;
}

.footer-link-button {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--muted);
  display: inline-flex;
  font: inherit;
  padding: 0;
  text-align: left;
  text-decoration: none;
}

.footer-link-button:hover {
  color: var(--brand-bright);
}

.cookie-consent {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  bottom: 18px;
  box-shadow: var(--shadow);
  color: var(--ink);
  display: grid;
  gap: 16px;
  left: 18px;
  max-width: 720px;
  padding: 18px;
  position: fixed;
  right: 18px;
  z-index: 1040;
}

.cookie-consent[hidden] {
  display: none;
}

.cookie-consent h2 {
  font-size: 1rem;
  margin: 0 0 6px;
}

.cookie-consent p {
  margin: 0;
}

.cookie-consent__note {
  color: var(--muted);
  font-size: .92rem;
  margin-top: 8px !important;
}

.cookie-consent__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cookie-consent__actions .btn {
  min-height: 44px;
}

@media (max-width: 991px) {
  .site-nav .navbar-collapse {
    padding-top: 12px;
  }

  .site-nav .navbar-nav {
    align-items: stretch;
    gap: 4px;
  }

  .site-nav .nav-link,
  .site-nav .btn,
  .site-nav .theme-toggle {
    display: block;
    min-height: 44px;
    padding: 10px 12px;
    text-align: left;
    width: 100%;
  }

  .site-nav .theme-toggle {
    align-items: center;
    display: inline-flex;
    justify-content: flex-start;
  }

  .content-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .side-panel {
    position: static;
  }

  .builder-layout {
    grid-template-columns: 1fr;
  }

  .builder-guide {
    position: relative;
    top: auto;
  }

  .stack-category-list,
  .related-tools,
  .stack-option-grid,
  .guide-summary,
  .resource-group-list {
    grid-template-columns: 1fr;
  }

  .first-steps {
    grid-template-columns: 1fr;
  }

  .fit-explanation {
    grid-template-columns: 1fr;
  }

  .builder-intro {
    grid-template-columns: 1fr;
  }

  .section-cta {
    align-items: stretch;
    flex-direction: column;
  }

}

@media (min-width: 992px) {
  .results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1199px) {
  .site-footer .container {
    flex-direction: column !important;
  }

  .footer-links {
    align-items: flex-start;
    flex-basis: auto;
    justify-content: flex-start;
    min-width: 0;
  }
}

@media (max-width: 767px) {
  .hero {
    padding-top: 58px;
  }

  .section-heading {
    margin-bottom: 24px;
  }

  .resource-card,
  .mini-tool-card,
  .stack-category-item,
  .stack-option,
  .resource-group-block {
    padding: 18px;
  }

  .results-grid,
  .category-card-list {
    gap: 18px;
  }

  .builder-question-list {
    gap: 14px;
  }

  .metric-row {
    gap: 8px;
  }

  .metric-row span {
    width: 100%;
  }

  .result-group {
    margin-top: 34px;
    padding-top: 26px;
  }

  .result-group h2,
  .first-steps h2,
  .fit-explanation h2,
  .guide-section h2 {
    font-size: 1.35rem;
  }

  .category-group {
    margin-bottom: 22px;
  }

  .tech-term__bubble {
    border-radius: 10px;
    bottom: 18px;
    left: 16px;
    max-width: none;
    padding: 12px 14px;
    position: fixed;
    right: 16px;
    transform: translateY(10px);
    width: auto;
    z-index: 1050;
  }

  .tech-term-wrap:hover .tech-term__bubble,
  .tech-term:focus + .tech-term__bubble,
  .tech-term:active + .tech-term__bubble {
    transform: translateY(0);
  }
}

@media (max-width: 575px) {
  .hero,
  .section {
    padding: 42px 0;
  }

  .hero h1,
  .section h1 {
    font-size: clamp(1.95rem, 10vw, 2.35rem);
    line-height: 1.12;
  }

  .lead {
    font-size: 1rem;
  }

  .hero-facts span,
  .chip,
  .tool-meta span,
  .category-strip span {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px !important;
  }

  .hero-actions .btn,
  .build-cta .btn,
  .side-panel .btn,
  .tool-card .btn {
    width: 100%;
  }

  .hero-panel,
  .info-card,
  .tool-card,
  .side-panel,
  .builder-form,
  .builder-guide {
    padding: 20px;
  }

  .builder-form {
    border-left: 0;
    border-right: 0;
    border-radius: 0;
    margin-left: calc(var(--bs-gutter-x) * -.5);
    margin-right: calc(var(--bs-gutter-x) * -.5);
  }

  .builder-question,
  .before-signup,
  .first-steps,
  .fit-explanation,
  .guide-summary-card,
  .highlight-section,
  .warning-section,
  .build-cta,
  .stack-option {
    padding: 18px;
  }

  .builder-question .form-label,
  .builder-question .form-check-label {
    font-size: 1rem;
  }

  .builder-guide h2 {
    font-size: 1.25rem;
  }

  .builder-question .form-select {
    min-height: 48px;
  }

  .tooltip-help {
    align-items: flex-start;
    gap: 8px;
  }

  .tooltip-help > span:first-child {
    width: 100%;
  }

  .tool-card__head {
    align-items: flex-start;
    flex-direction: column;
  }

  .priority-badge {
    white-space: normal;
  }

  .first-steps li {
    padding-right: 12px;
  }

  .guide-section {
    padding: 24px 0;
  }

  .site-footer .container > .footer-links {
    flex-direction: column;
    gap: 8px !important;
    min-width: 0;
  }

  .footer-links {
    align-items: flex-start;
    flex-basis: auto;
    justify-content: flex-start;
  }

  .cookie-consent {
    bottom: 12px;
    left: 12px;
    padding: 16px;
    right: 12px;
  }

  .cookie-consent__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .cookie-consent__actions .btn {
    width: 100%;
  }
}

@media (max-width: 390px) {
  .hero-panel,
  .info-card,
  .tool-card,
  .side-panel,
  .builder-guide,
  .resource-card,
  .mini-tool-card,
  .stack-category-item,
  .stack-option {
    padding: 16px;
  }

  .btn {
    padding-inline: 14px;
  }
}