/* LessonAI premium static site design system */
:root {
  --primary: #1E3A5F;
  --secondary: #4F46E5;
  --accent: #10B981;
  --background: #F8FAFC;
  --card: #FFFFFF;
  --text: #334155;
  --ink: #0F172A;
  --muted: #64748B;
  --soft: #EEF2F7;
  --border: #E2E8F0;
  --line: #D8E0EA;
  --warning: #F59E0B;
  --danger: #E11D48;
  --info: #0EA5E9;
  --violet-soft: #EEF2FF;
  --green-soft: #ECFDF5;
  --blue-soft: #EAF4FF;
  --max: 1180px;
  --article: 760px;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 24px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 70px rgba(15, 23, 42, 0.12);
}

/* Platform expansion layer */
.platform-hero {
  overflow: hidden;
}

.platform-orbit {
  display: grid;
  gap: 1rem;
}

.metric-card,
.dashboard-card,
.tool-directory-card,
.resource-download-card,
.utility-panel,
.discussion-card,
.search-result-card,
.review-summary {
  border: 1px solid rgba(226, 232, 240, 0.86);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.metric-card {
  padding: 1.1rem;
}

.metric-card span,
.dashboard-number {
  display: block;
  color: var(--secondary);
  font-family: Poppins, Inter, sans-serif;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.stats-strip > div {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 1.1rem;
}

.stats-strip strong {
  display: block;
  color: var(--primary);
  font-family: Poppins, Inter, sans-serif;
  font-size: 1.8rem;
}

.marketplace-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.marketplace-card {
  min-height: 100%;
}

.badge-row,
.tag-row,
.educator-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin: 0.75rem 0;
}

.tool-directory-grid,
.resource-download-grid,
.utility-grid,
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.tool-directory-card,
.resource-download-card,
.utility-panel,
.dashboard-card {
  display: grid;
  gap: 1rem;
  align-content: start;
  padding: 1.15rem;
}

.tool-card-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: center;
}

.resource-download-card {
  min-height: 270px;
}

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

.utility-form {
  display: grid;
  gap: 0.85rem;
}

.utility-output {
  min-height: 150px;
  border: 1px dashed rgba(79, 70, 229, 0.28);
  border-radius: var(--radius);
  background: #F8FAFC;
  padding: 1rem;
  white-space: pre-wrap;
}

.dashboard-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.dashboard-card {
  min-height: 180px;
}

.discussion-list {
  display: grid;
  gap: 0.9rem;
}

.discussion-card {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
}

.like-button {
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  padding: 0.45rem 0.8rem;
  font-weight: 800;
}

.like-button[aria-pressed="true"] {
  border-color: rgba(16, 185, 129, 0.55);
  background: var(--green-soft);
  color: #047857;
}

.search-page-form {
  margin-bottom: 1rem;
}

.search-results-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
  margin-top: 1.5rem;
}

.search-result-card {
  display: block;
  margin-bottom: 0.8rem;
  padding: 1rem;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

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

.mobile-bottom-nav {
  display: none;
}

.reading-tools {
  position: fixed;
  right: 18px;
  bottom: 92px;
  z-index: 80;
  display: grid;
  gap: 0.5rem;
}

.reading-tools button {
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-sm);
  color: var(--primary);
  padding: 0.45rem 0.75rem;
  font-weight: 800;
}

.ai-summary-box {
  border: 1px solid rgba(79, 70, 229, 0.18);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(238, 242, 255, 0.82), rgba(236, 253, 245, 0.72));
  padding: 1rem;
  margin: 1rem 0 1.5rem;
}

body.reading-mode .article-layout {
  grid-template-columns: minmax(0, 820px);
  justify-content: center;
}

body.reading-mode .article-layout .sidebar,
body.reading-mode .share-rail,
body.reading-mode .mobile-sticky-cta {
  display: none;
}

body.dark-mode {
  --background: #0B1220;
  --card: #111827;
  --text: #CBD5E1;
  --ink: #F8FAFC;
  --muted: #94A3B8;
  --soft: #172033;
  --border: rgba(148, 163, 184, 0.22);
  background: #0B1220;
}

body.dark-mode .site-header,
body.dark-mode .nav-shell,
body.dark-mode .search-panel,
body.dark-mode .mobile-panel,
body.dark-mode .metric-card,
body.dark-mode .dashboard-card,
body.dark-mode .tool-directory-card,
body.dark-mode .resource-download-card,
body.dark-mode .utility-panel,
body.dark-mode .discussion-card,
body.dark-mode .search-result-card,
body.dark-mode .review-summary,
body.dark-mode .sidebar-widget,
body.dark-mode .article-content,
body.dark-mode .page-card,
body.dark-mode .resource-card,
body.dark-mode .prompt-card {
  background: rgba(15, 23, 42, 0.92);
}

body.dark-mode .field,
body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea,
body.dark-mode .utility-output {
  border-color: rgba(148, 163, 184, 0.25);
  background: #0F172A;
  color: #E2E8F0;
}

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

  .tool-directory-grid,
  .resource-download-grid,
  .utility-grid,
  .dashboard-grid,
  .search-results-layout,
  .stats-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .tool-directory-grid,
  .resource-download-grid,
  .utility-grid,
  .dashboard-grid,
  .search-results-layout,
  .stats-strip {
    grid-template-columns: 1fr;
  }

  .mobile-bottom-nav {
    position: fixed;
    right: 12px;
    bottom: 10px;
    left: 12px;
    z-index: 90;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid rgba(226, 232, 240, 0.82);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(18px);
    overflow: hidden;
  }

  .mobile-bottom-nav a {
    display: grid;
    min-height: 56px;
    place-items: center;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
  }

  .reading-tools {
    right: 14px;
    bottom: 82px;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(238, 242, 255, 0.72) 0, rgba(248, 250, 252, 0) 320px),
    var(--background);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.menu-open,
body.search-open,
body.modal-open {
  overflow: hidden;
}

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

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

button {
  cursor: pointer;
}

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

p,
h1,
h2,
h3,
h4 {
  margin-top: 0;
}

p {
  margin-bottom: 1rem;
}

h1,
h2,
h3,
h4,
.display {
  color: var(--ink);
  font-family: Poppins, Inter, ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 5.4rem);
}

h2 {
  font-size: clamp(1.85rem, 3.8vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

h4 {
  font-size: 1rem;
}

:focus-visible {
  outline: 3px solid rgba(79, 70, 229, 0.35);
  outline-offset: 3px;
}

::selection {
  background: rgba(79, 70, 229, 0.18);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  padding: 0.7rem 1rem;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.narrow {
  width: min(100% - 32px, 880px);
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.12);
}

.lead {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
}

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

.small {
  font-size: 0.92rem;
}

.section {
  padding: clamp(3.6rem, 7vw, 6.5rem) 0;
}

.section-tight {
  padding: clamp(2.5rem, 5vw, 4.2rem) 0;
}

.section-band {
  background: #fff;
  border-block: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.8rem;
}

.section-header p {
  max-width: 620px;
  margin-bottom: 0;
}

.stack {
  display: grid;
  gap: 1rem;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(226, 232, 240, 0.74);
  background: rgba(248, 250, 252, 0.84);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  min-width: 138px;
  min-height: 52px;
  padding: 0.25rem 0;
  color: var(--primary);
  font-family: Poppins, Inter, sans-serif;
  font-weight: 800;
  font-size: 1.18rem;
}

.brand-logo {
  display: block;
  width: 160px;
  max-width: min(42vw, 160px);
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: contain;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
}

.site-footer .brand-logo {
  width: 176px;
  max-width: 100%;
  box-shadow: 0 18px 48px rgba(2, 6, 23, 0.18);
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.1rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-link:hover,
.nav-link.active,
.nav-link[aria-current="page"] {
  background: rgba(79, 70, 229, 0.08);
  color: var(--secondary);
}

.mega-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  width: min(760px, calc(100vw - 32px));
  transform: translateX(-50%) translateY(8px);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 1rem;
  border: 1px solid rgba(226, 232, 240, 0.86);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-lg);
  padding: 1rem;
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.nav-item:focus-within .mega-menu,
.nav-item:hover .mega-menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-feature {
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.95), rgba(79, 70, 229, 0.92));
  color: #fff;
  padding: 1.1rem;
}

.mega-feature h3 {
  color: #fff;
  margin-bottom: 0.45rem;
  font-size: 1.15rem;
}

.mega-feature p {
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.82);
}

.mega-links {
  display: grid;
  gap: 0.35rem;
}

.mega-link {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 0.7rem;
  align-items: start;
  border-radius: var(--radius);
  padding: 0.65rem;
}

.mega-link:hover {
  background: var(--soft);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.auth-nav-group {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.auth-nav-group .btn {
  min-width: 108px;
}

.icon-button,
.menu-toggle,
.copy-action,
.bookmark-action {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.icon-button:hover,
.menu-toggle:hover,
.copy-action:hover,
.bookmark-action:hover,
.bookmark-action[aria-pressed="true"] {
  border-color: rgba(79, 70, 229, 0.35);
  background: var(--violet-soft);
  color: var(--secondary);
}

.menu-toggle {
  display: none;
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.72rem 1.05rem;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.btn.is-loading {
  pointer-events: none;
  color: transparent !important;
}

.btn.is-loading::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 999px;
  animation: buttonSpin 0.8s linear infinite;
}

@keyframes buttonSpin {
  to { transform: rotate(360deg); }
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary), #2563EB);
  color: #fff;
  box-shadow: 0 14px 28px rgba(79, 70, 229, 0.22);
}

.btn-secondary {
  background: var(--primary);
  color: #fff;
}

.btn-accent {
  background: var(--accent);
  color: #042F2E;
}

.btn-soft {
  border-color: var(--border);
  background: #fff;
  color: var(--primary);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.btn svg,
.icon-button svg,
.menu-toggle svg,
.copy-action svg,
.bookmark-action svg {
  width: 19px;
  height: 19px;
}

.search-panel,
.mobile-panel {
  position: fixed;
  inset: 76px 0 auto;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

body.search-open .search-panel,
body.menu-open .mobile-panel {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.search-panel-inner {
  display: grid;
  gap: 1rem;
  padding: 1rem 0 1.25rem;
}

.global-search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
}

.field,
.global-search input,
.prompt-toolbar input,
.prompt-toolbar select,
.form-field input,
.form-field textarea,
.newsletter-form input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 0.78rem 0.9rem;
}

.field:focus,
.global-search input:focus,
.prompt-toolbar input:focus,
.prompt-toolbar select:focus,
.form-field input:focus,
.form-field textarea:focus,
.newsletter-form input:focus {
  border-color: rgba(79, 70, 229, 0.55);
  outline: 3px solid rgba(79, 70, 229, 0.14);
}

.mobile-panel {
  inset: 0 0 0 auto;
  width: min(420px, 100%);
  border-left: 1px solid var(--border);
  border-bottom: 0;
  transform: translateX(100%);
  overflow: auto;
}

body.menu-open .mobile-panel {
  transform: translateX(0);
}

.mobile-menu-brand {
  display: flex;
  align-items: center;
  min-height: 84px;
  padding-top: 1rem;
}

.mobile-menu-brand .brand-logo {
  width: 156px;
  max-width: 58vw;
}

.mobile-nav {
  display: grid;
  gap: 0.35rem;
  padding: 0.25rem 0 1.5rem;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 50px;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
  font-weight: 800;
}

.mobile-nav a.mobile-auth-primary {
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--secondary), #2563EB);
  color: #fff;
  margin-top: 0.75rem;
  box-shadow: 0 14px 28px rgba(79, 70, 229, 0.22);
}

.breadcrumbs {
  border-top: 1px solid rgba(226, 232, 240, 0.62);
  background: rgba(255, 255, 255, 0.48);
}

.breadcrumbs .container,
.breadcrumbs .narrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  min-height: 44px;
  color: var(--muted);
  font-size: 0.92rem;
}

.breadcrumbs a {
  color: var(--primary);
  font-weight: 700;
}

.hero {
  padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(2rem, 5vw, 4.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.25rem);
}

.hero h1 {
  max-width: 800px;
  margin-bottom: 1.1rem;
}

.hero-copy .lead {
  max-width: 650px;
  margin-bottom: 1.6rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.4rem;
}

.hero-search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
  width: min(100%, 620px);
  margin: 1.2rem 0;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-md);
  padding: 0.4rem;
}

.hero-search input {
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 0.7rem 0.9rem;
  color: var(--ink);
}

.hero-search input:focus {
  outline: 0;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip,
.filter-chip,
.tag {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  padding: 0.45rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 800;
}

.filter-chip {
  cursor: pointer;
}

.filter-chip.active,
.filter-chip[aria-pressed="true"],
.chip:hover,
.tag:hover {
  border-color: rgba(79, 70, 229, 0.32);
  background: var(--violet-soft);
  color: var(--secondary);
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.metric {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  padding: 0.9rem;
}

.metric strong {
  display: block;
  color: var(--ink);
  font-family: Poppins, Inter, sans-serif;
  font-size: 1.35rem;
  line-height: 1.1;
}

.hero-visual {
  position: relative;
}

.dashboard-mockup {
  overflow: hidden;
  border: 1px solid rgba(203, 213, 225, 0.92);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.mock-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 46px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #fff, #F8FAFC);
  padding: 0 0.85rem;
}

.mock-dots {
  display: flex;
  gap: 0.35rem;
}

.mock-dots span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--line);
}

.mock-dots span:nth-child(1) {
  background: #F87171;
}

.mock-dots span:nth-child(2) {
  background: #FBBF24;
}

.mock-dots span:nth-child(3) {
  background: #34D399;
}

.mock-app {
  display: grid;
  grid-template-columns: 150px 1fr;
  min-height: 440px;
}

.mock-sidebar {
  display: grid;
  align-content: start;
  gap: 0.7rem;
  border-right: 1px solid var(--border);
  background: #F8FAFC;
  padding: 1rem;
}

.mock-nav-line,
.mock-line {
  height: 10px;
  border-radius: 999px;
  background: #DDE6F1;
}

.mock-nav-line:nth-child(2) {
  width: 72%;
}

.mock-nav-line:nth-child(3) {
  width: 86%;
}

.mock-main {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
}

.mock-command {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.7rem;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 0.8rem;
}

.mock-command strong {
  color: var(--ink);
}

.mock-pill {
  border-radius: 999px;
  background: var(--green-soft);
  color: #047857;
  padding: 0.35rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 800;
}

.mock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.mock-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 0.9rem;
}

.mock-panel.tall {
  grid-row: span 2;
}

.mock-panel h4 {
  margin-bottom: 0.75rem;
}

.mock-chart {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  gap: 0.5rem;
  height: 120px;
}

.mock-chart span {
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--secondary), var(--info));
}

.mock-list {
  display: grid;
  gap: 0.7rem;
}

.mock-row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 0.65rem;
  align-items: center;
}

.mock-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--blue-soft);
  color: var(--primary);
  font-weight: 800;
}

.floating-proof {
  position: absolute;
  right: -10px;
  bottom: 22px;
  width: min(280px, 56%);
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-lg);
  padding: 1rem;
}

.floating-proof strong {
  display: block;
  color: var(--ink);
}

.cards-grid,
.tools-grid,
.article-grid,
.news-grid,
.benefits-grid,
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.bento-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 1rem;
}

.bento-wide {
  grid-row: span 2;
}

.card,
.tool-card,
.prompt-card,
.article-card,
.news-card,
.resource-card,
.testimonial-card,
.sidebar-widget,
.benefit-card,
.team-card,
.legal-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-sm);
}

.card,
.tool-card,
.prompt-card,
.article-card,
.news-card,
.resource-card,
.testimonial-card,
.sidebar-widget,
.benefit-card,
.team-card,
.legal-card {
  padding: 1.1rem;
}

.tool-card,
.article-card,
.news-card,
.resource-card,
.benefit-card,
.team-card {
  display: grid;
  gap: 0.75rem;
}

.tool-card:hover,
.article-card:hover,
.news-card:hover,
.prompt-card:hover,
.resource-card:hover {
  border-color: rgba(79, 70, 229, 0.32);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tool-card,
.article-card,
.news-card,
.prompt-card,
.resource-card {
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.logo-chip {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-weight: 900;
}

.rating {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #B45309;
  font-weight: 900;
}

.stars {
  color: #F59E0B;
  white-space: nowrap;
}

.article-thumb,
.news-thumb,
.featured-visual,
.editorial-visual {
  overflow: hidden;
  min-height: 170px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(30, 58, 95, 0.92), rgba(79, 70, 229, 0.88)),
    #fff;
  color: #fff;
}

.article-thumb,
.news-thumb {
  display: grid;
  align-content: end;
  padding: 1rem;
}

.article-thumb strong,
.news-thumb strong,
.featured-visual strong,
.editorial-visual strong {
  color: #fff;
  font-family: Poppins, Inter, sans-serif;
  font-size: 1.1rem;
}

.thumb-math {
  background:
    linear-gradient(135deg, rgba(30, 58, 95, 0.9), rgba(14, 165, 233, 0.82)),
    repeating-linear-gradient(0deg, transparent, transparent 24px, rgba(255, 255, 255, 0.2) 25px);
}

.thumb-ethics {
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(16, 185, 129, 0.82)),
    #0F172A;
}

.thumb-guide {
  background:
    linear-gradient(135deg, rgba(79, 70, 229, 0.9), rgba(16, 185, 129, 0.78)),
    #fff;
}

.prompt-toolbar {
  display: grid;
  grid-template-columns: 1fr 210px;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0.7rem 0 1.4rem;
}

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

.prompt-card {
  display: grid;
  gap: 0.85rem;
}

.prompt-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: start;
}

.prompt-actions {
  display: flex;
  gap: 0.5rem;
}

.prompt-text {
  overflow: hidden;
  display: -webkit-box;
  min-height: 120px;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #F8FAFC;
  color: var(--ink);
  padding: 0.85rem;
  font-family: Inter, sans-serif;
  line-height: 1.55;
  white-space: pre-wrap;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 7;
}

.prompt-card.is-hidden {
  display: none;
}

.comparison-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.comparison-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  background: #F8FAFC;
  color: var(--primary);
  font-size: 0.92rem;
}

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

.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.check-list,
.x-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.x-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 0.55rem;
}

.check-list li::before {
  content: "+";
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--green-soft);
  color: #047857;
  font-weight: 900;
}

.x-list li::before {
  content: "-";
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #FFF1F2;
  color: var(--danger);
  font-weight: 900;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  align-items: stretch;
}

.screenshot-mock {
  min-height: 360px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-md);
  padding: 1rem;
}

.screen-frame {
  display: grid;
  gap: 0.7rem;
}

.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.7rem;
}

.screen-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.screen-block {
  min-height: 120px;
  border-radius: var(--radius);
  background: #F8FAFC;
  padding: 0.8rem;
}

.page-hero {
  padding: clamp(2.8rem, 6vw, 5.2rem) 0 clamp(2rem, 4vw, 3.4rem);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: center;
  gap: 2rem;
}

.page-hero h1 {
  margin-bottom: 1rem;
}

.page-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  box-shadow: var(--shadow-md);
  padding: 1.2rem;
}

.page-card h3,
.page-card strong {
  color: var(--ink);
}

.news-layout,
.content-layout,
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.5rem;
  align-items: start;
}

.featured-story {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1rem;
  align-items: stretch;
  margin-bottom: 1rem;
}

.featured-story .news-thumb,
.featured-story .article-thumb {
  min-height: 320px;
}

.sidebar {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 1rem;
}

.sidebar-widget h3 {
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
}

.link-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.link-list a {
  color: var(--primary);
  font-weight: 800;
}

.ad-slot,
.adsense-unit {
  display: grid;
  position: relative;
  min-height: 250px;
  width: 100%;
  place-items: center;
  overflow: hidden;
  border: 1px dashed #CBD5E1;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.88), rgba(255, 255, 255, 0.96)),
    #fff;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.ad-slot.horizontal,
.adsense-unit--horizontal,
.adsense-unit--header,
.adsense-unit--footer {
  min-height: 112px;
}

.adsense-unit {
  margin: clamp(1.25rem, 3vw, 2rem) 0;
  contain: layout paint;
}

.adsense-unit--header {
  width: min(100% - 32px, var(--max));
  margin: 0.85rem auto clamp(1.25rem, 3vw, 2rem);
}

.adsense-unit--in-content,
.adsense-unit--native,
.adsense-unit--article-title,
.adsense-unit--in-article,
.adsense-unit--article-end {
  min-height: 250px;
}

.adsense-unit--article-title {
  width: min(100% - 32px, 980px);
  margin-inline: auto;
}

.adsense-unit--sidebar {
  min-height: 600px;
  margin: 0;
}

.adsense-unit--grid {
  grid-column: 1 / -1;
  min-height: 190px;
}

.adsense-unit--slider {
  min-width: 320px;
  min-height: 260px;
}

.adsense-unit--footer {
  width: min(100% - 32px, var(--max));
  margin: clamp(1.5rem, 4vw, 2.5rem) auto;
}

.adsense-unit--mobile-sticky {
  display: none;
}

.adsense-unit--empty {
  display: none !important;
}

.ad-label {
  position: absolute;
  top: 0.55rem;
  left: 50%;
  z-index: 1;
  transform: translateX(-50%);
  color: #94A3B8;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.adsense-unit .adsbygoogle {
  width: 100%;
  min-height: inherit;
}

.adsense-unit[data-ad-state="placeholder"]::after {
  content: "AdSense slot ready";
  color: #64748B;
  font-weight: 700;
}

.sidebar .adsense-unit--sidebar {
  position: sticky;
  top: 104px;
}

.toc {
  display: grid;
  gap: 0.5rem;
}

.toc a {
  display: block;
  border-left: 3px solid var(--border);
  color: var(--muted);
  padding: 0.25rem 0 0.25rem 0.65rem;
  font-size: 0.92rem;
}

.toc a:hover,
.toc a.active {
  border-color: var(--secondary);
  color: var(--secondary);
}

.reading-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 150;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
}

.article-shell {
  background: #fff;
}

.article-head {
  padding: clamp(2.8rem, 6vw, 5rem) 0 1.5rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.94rem;
}

.author-mini {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  color: var(--primary);
}

.avatar {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 999px;
  background: var(--violet-soft);
  color: var(--secondary);
  font-weight: 900;
}

.article-featured-image {
  display: grid;
  min-height: clamp(260px, 44vw, 480px);
  align-items: end;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(30, 58, 95, 0.92), rgba(79, 70, 229, 0.78), rgba(16, 185, 129, 0.72)),
    #1E3A5F;
  color: #fff;
  padding: clamp(1.25rem, 4vw, 2.2rem);
}

.article-featured-image strong {
  color: #fff;
  font-family: Poppins, Inter, sans-serif;
  font-size: clamp(1.6rem, 4vw, 3rem);
  line-height: 1.1;
  max-width: 760px;
}

.article-content {
  max-width: var(--article);
  color: #263445;
  font-size: 1.06rem;
}

.article-content h2,
.article-content h3 {
  scroll-margin-top: 110px;
  margin: 2rem 0 0.8rem;
}

.article-content a {
  color: var(--secondary);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-content ul,
.article-content ol {
  padding-left: 1.3rem;
}

.callout {
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--green-soft);
  padding: 1rem;
  margin: 1.25rem 0;
}

.inline-cta {
  display: grid;
  gap: 0.8rem;
  border: 1px solid rgba(79, 70, 229, 0.22);
  border-radius: var(--radius);
  background: var(--violet-soft);
  padding: 1rem;
  margin: 1.4rem 0;
}

.author-box {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 1rem;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 1rem;
  margin-top: 2rem;
}

.author-box .avatar {
  width: 58px;
  height: 58px;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 0.9rem 1rem;
}

summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
}

details p {
  margin: 0.8rem 0 0;
}

.newsletter-band {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(30, 58, 95, 0.98), rgba(79, 70, 229, 0.92)),
    var(--primary);
}

.newsletter-band h2,
.newsletter-band h3,
.newsletter-band .eyebrow {
  color: #fff;
}

.newsletter-band .eyebrow::before {
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.2);
}

.newsletter-band .lead,
.newsletter-band .hero-copy p,
.newsletter-band .newsletter-layout p {
  color: rgba(255, 255, 255, 0.82);
}

.newsletter-band .page-card,
.newsletter-band .page-card h3,
.newsletter-band .page-card strong {
  color: var(--ink);
}

.newsletter-band .page-card p {
  color: var(--text);
}

.newsletter-layout {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 2rem;
  align-items: center;
}

.newsletter-form {
  display: grid;
  gap: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem;
}

.form-status {
  min-height: 24px;
  color: var(--accent);
  font-weight: 800;
}

.form-status[data-status="error"] {
  color: #DC2626;
}

.form-status[data-status="warning"] {
  color: #B45309;
}

.form-status[data-status="success"] {
  color: var(--accent);
}

.newsletter-form.is-loading {
  opacity: 0.78;
}

.field-hint {
  color: var(--muted);
  font-size: 0.82rem;
}

.contact-grid,
.legal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
}

.form-field {
  display: grid;
  gap: 0.35rem;
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.check-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 0.08rem;
  accent-color: var(--secondary);
}

.check-row a {
  color: var(--secondary);
  font-weight: 700;
}

.form-field label {
  color: var(--ink);
  font-weight: 800;
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.quote {
  color: var(--ink);
  font-size: 1.06rem;
  font-weight: 700;
}

.site-footer {
  color: #CBD5E1;
  background: #0B1220;
  padding: 3.2rem 0 1.2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr);
  gap: 1.5rem;
}

.site-footer h3,
.site-footer h4,
.site-footer .brand {
  color: #fff;
}

.site-footer p {
  color: #A8B3C3;
}

.footer-links {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: #CBD5E1;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-top: 2rem;
  border-top: 1px solid rgba(226, 232, 240, 0.14);
  padding-top: 1rem;
  color: #94A3B8;
  font-size: 0.92rem;
}

.auth-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(79, 70, 229, 0.12), transparent 34%),
    radial-gradient(circle at 80% 12%, rgba(16, 185, 129, 0.12), transparent 30%),
    var(--bg);
}

.auth-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 480px);
}

.auth-brand-panel {
  display: grid;
  align-content: space-between;
  padding: clamp(1.5rem, 4vw, 4rem);
}

.auth-copy {
  max-width: 620px;
}

.auth-copy h1 {
  margin-top: 2rem;
}

.auth-card {
  display: grid;
  align-content: center;
  border-left: 1px solid rgba(226, 232, 240, 0.82);
  background: rgba(255, 255, 255, 0.86);
  padding: clamp(1.5rem, 4vw, 3rem);
  box-shadow: -24px 0 80px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.auth-card-inner {
  display: grid;
  gap: 1rem;
  max-width: 390px;
  width: 100%;
  margin: 0 auto;
}

.auth-card .newsletter-form {
  display: grid;
  gap: 1rem;
}

.auth-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (prefers-color-scheme: dark) {
  .brand-logo {
    background: #fff;
  }

  .auth-page {
    background:
      radial-gradient(circle at 20% 0%, rgba(79, 70, 229, 0.2), transparent 34%),
      radial-gradient(circle at 80% 12%, rgba(16, 185, 129, 0.16), transparent 30%),
      #0B1220;
  }

  .auth-copy,
  .auth-copy .muted {
    color: #E2E8F0;
  }

  .auth-card {
    background: rgba(15, 23, 42, 0.86);
    border-left-color: rgba(148, 163, 184, 0.22);
  }
}

.social-links {
  display: flex;
  gap: 0.55rem;
}

.social-links a {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(226, 232, 240, 0.18);
  border-radius: 999px;
  color: #fff;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 360ms ease, transform 360ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Advanced prototype layer */
.site-header {
  border-bottom: 0;
  background: transparent;
  padding: 10px 0;
}

.nav-shell {
  min-height: 64px;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(22px);
  padding: 0 10px 0 12px;
}

.brand-mark,
.logo-chip,
.mock-icon {
  border-radius: var(--radius-sm);
}

.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(120deg, rgba(238, 242, 255, 0.72), rgba(236, 253, 245, 0.58), rgba(248, 250, 252, 0.9));
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(110deg, rgba(30, 58, 95, 0.08), transparent 32%),
    linear-gradient(290deg, rgba(79, 70, 229, 0.1), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(248, 250, 252, 0.9));
  background-size: 170% 170%;
  animation: gradientDrift 14s ease-in-out infinite alternate;
}

@keyframes gradientDrift {
  from { background-position: 0% 20%; }
  to { background-position: 100% 80%; }
}

.hero h1 {
  letter-spacing: 0;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.1rem 0 0;
}

.trust-badge,
.badge {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(226, 232, 240, 0.88);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--primary);
  padding: 0.4rem 0.7rem;
  font-size: 0.86rem;
  font-weight: 850;
  box-shadow: var(--shadow-sm);
}

.badge-accent {
  border-color: rgba(16, 185, 129, 0.26);
  background: var(--green-soft);
  color: #047857;
}

.badge-violet {
  border-color: rgba(79, 70, 229, 0.24);
  background: var(--violet-soft);
  color: var(--secondary);
}

.btn {
  position: relative;
  overflow: hidden;
  border-radius: 999px;
}

.btn-primary::after,
.btn-accent::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-120%);
  background: linear-gradient(110deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transition: transform 520ms ease;
}

.btn-primary:hover::after,
.btn-accent:hover::after {
  transform: translateX(120%);
}

.glass-card,
.ai-command-card,
.recommendation-card,
.modal-card {
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

.ai-command-card {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1rem;
}

.ai-spark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: #fff;
  font-weight: 900;
}

.floating-stack {
  display: grid;
  gap: 0.75rem;
  position: absolute;
  left: -22px;
  bottom: 64px;
  width: min(300px, 58%);
}

.dashboard-mockup {
  border-radius: var(--radius-lg);
  transform: perspective(1100px) rotateY(-4deg) rotateX(2deg);
}

.dashboard-mockup:hover {
  transform: perspective(1100px) rotateY(-1deg) rotateX(0);
}

.mock-line,
.mock-nav-line {
  position: relative;
  overflow: hidden;
}

.mock-line::after,
.mock-nav-line::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.75), transparent);
  animation: shimmer 3.8s ease-in-out infinite;
}

@keyframes shimmer {
  45%, 100% { transform: translateX(100%); }
}

.stat-value[data-count] {
  min-height: 1.45rem;
}

.content-slider {
  display: grid;
  gap: 1rem;
}

.slider-track {
  display: grid;
  grid-auto-columns: minmax(280px, 38%);
  grid-auto-flow: column;
  gap: 1rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 0.2rem 0 0.9rem;
  scroll-snap-type: inline mandatory;
  scrollbar-width: thin;
}

.slider-track > * {
  scroll-snap-align: start;
}

.slider-controls {
  display: flex;
  gap: 0.55rem;
}

.recommendation-card {
  display: grid;
  gap: 0.75rem;
  min-height: 280px;
  padding: 1rem;
}

.recommendation-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  padding: 0.35rem;
}

.tab-button {
  min-height: 40px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  padding: 0.55rem 0.85rem;
  font-weight: 850;
}

.tab-button.active,
.tab-button[aria-selected="true"] {
  background: var(--violet-soft);
  color: var(--secondary);
}

.tab-panel[hidden] {
  display: none;
}

.alert {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0.75rem;
  border: 1px solid rgba(14, 165, 233, 0.24);
  border-radius: var(--radius);
  background: var(--blue-soft);
  padding: 1rem;
}

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

.alert-success {
  border-color: rgba(16, 185, 129, 0.28);
  background: var(--green-soft);
}

.tooltip-anchor {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.tooltip-anchor[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  z-index: 20;
  width: max-content;
  max-width: 220px;
  transform: translate(-50%, 6px);
  visibility: hidden;
  opacity: 0;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  padding: 0.45rem 0.6rem;
  font-size: 0.78rem;
  line-height: 1.35;
  box-shadow: var(--shadow-md);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.tooltip-anchor[data-tooltip]:hover::after,
.tooltip-anchor[data-tooltip]:focus-within::after {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: none;
  place-items: center;
  background: rgba(15, 23, 42, 0.48);
  padding: 1rem;
}

.modal-overlay.is-open {
  display: grid;
}

.modal-card {
  width: min(100%, 720px);
  max-height: min(760px, 90vh);
  overflow: auto;
  background: rgba(255, 255, 255, 0.96);
  padding: 1.2rem;
}

.modal-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.modal-close {
  flex: 0 0 auto;
}

.prompt-preview-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #F8FAFC;
  color: var(--ink);
  padding: 1rem;
  white-space: pre-wrap;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
}

.pagination a,
.pagination span {
  display: grid;
  min-width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  font-weight: 850;
}

.pagination .active {
  background: var(--secondary);
  color: #fff;
}

.score-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.score-card,
.pricing-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 1rem;
}

.score-card strong {
  display: block;
  color: var(--ink);
  font-family: Poppins, Inter, sans-serif;
  font-size: 2rem;
  line-height: 1;
}

.pricing-card.featured {
  border-color: rgba(79, 70, 229, 0.34);
  box-shadow: var(--shadow-lg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}

.gallery-panel {
  min-height: 220px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(30, 58, 95, 0.94), rgba(79, 70, 229, 0.8)),
    #fff;
  color: #fff;
  padding: 1rem;
}

.gallery-panel strong {
  color: #fff;
}

.share-rail {
  position: fixed;
  left: max(14px, calc((100vw - var(--max)) / 2 - 64px));
  top: 38%;
  z-index: 40;
  display: grid;
  gap: 0.5rem;
}

.share-rail a,
.share-rail button {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  font-weight: 900;
}

.inline-related {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin: 1.4rem 0;
}

.inline-related a {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 0.9rem;
  text-decoration: none;
}

.mobile-sticky-cta {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 90;
  display: none;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
  align-items: center;
  border: 1px solid rgba(226, 232, 240, 0.86);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
  padding: 0.65rem;
}

.mobile-sticky-cta strong {
  display: block;
  color: var(--ink);
  line-height: 1.2;
}

.design-swatch {
  min-height: 112px;
  border-radius: var(--radius);
  padding: 1rem;
  color: #fff;
}

.component-demo {
  display: grid;
  gap: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 1.1rem;
}

.kbd {
  display: inline-grid;
  min-width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 900;
  box-shadow: inset 0 -1px 0 rgba(15, 23, 42, 0.08);
}

.enterprise-strip {
  border-block: 1px solid rgba(226, 232, 240, 0.78);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.enterprise-strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-inline: 1px solid var(--border);
}

.enterprise-proof {
  display: grid;
  gap: 0.25rem;
  background: rgba(255, 255, 255, 0.96);
  padding: 1rem;
}

.enterprise-proof strong {
  color: var(--ink);
  font-family: Poppins, Inter, sans-serif;
  font-size: 1.15rem;
}

.ecosystem-map {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
  align-items: stretch;
}

.ecosystem-panel {
  display: grid;
  gap: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(238, 242, 255, 0.76)),
    #fff;
  box-shadow: var(--shadow-md);
  padding: 1.2rem;
}

.ecosystem-node-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.ecosystem-node,
.download-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.ecosystem-node:hover,
.download-card:hover {
  border-color: rgba(79, 70, 229, 0.34);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.resource-library {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1rem;
  align-items: start;
}

.resource-filter-panel {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 1rem;
}

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

.download-card {
  display: grid;
  gap: 0.8rem;
}

.download-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.performance-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.performance-card {
  display: grid;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 1rem;
}

.performance-card strong {
  color: var(--ink);
  font-family: Poppins, Inter, sans-serif;
  font-size: 1.7rem;
}

.ad-map {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1rem;
}

.ad-map-main,
.ad-map-side {
  display: grid;
  gap: 1rem;
}

.command-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.footer-newsletter {
  display: grid;
  gap: 0.7rem;
  border: 1px solid rgba(226, 232, 240, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  padding: 1rem;
}

.footer-newsletter input {
  min-height: 44px;
  border: 1px solid rgba(226, 232, 240, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 0.7rem 0.8rem;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1080px) {
  .desktop-nav,
  .nav-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .nav-shell {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .hero-grid,
  .page-hero-grid,
  .newsletter-layout,
  .news-layout,
  .content-layout,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .sidebar .adsense-unit--sidebar {
    position: static;
    min-height: 280px;
  }

  .hero-visual {
    max-width: 720px;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .floating-stack,
  .share-rail {
    display: none;
  }

  .score-grid,
  .pricing-grid,
  .gallery-grid,
  .ecosystem-map,
  .ad-map {
    grid-template-columns: 1fr 1fr;
  }

  .resource-library {
    grid-template-columns: 1fr;
  }

  .resource-filter-panel {
    position: static;
  }
}

@media (max-width: 860px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-brand-panel {
    min-height: auto;
    gap: 2rem;
  }

  .auth-card {
    border-left: 0;
    border-top: 1px solid rgba(226, 232, 240, 0.82);
    box-shadow: 0 -18px 60px rgba(15, 23, 42, 0.08);
  }

  .section-header,
  .footer-bottom,
  .featured-story,
  .screenshot-grid,
  .pros-cons,
  .contact-grid,
  .legal-grid {
    grid-template-columns: 1fr;
  }

  .section-header,
  .footer-bottom {
    align-items: start;
    flex-direction: column;
  }

  .cards-grid,
  .tools-grid,
  .article-grid,
  .news-grid,
  .benefits-grid,
  .team-grid,
  .prompt-grid,
  .values-grid,
  .bento-grid,
  .score-grid,
  .pricing-grid,
  .gallery-grid,
  .download-grid,
  .performance-grid {
    grid-template-columns: 1fr 1fr;
  }

  .bento-wide {
    grid-row: auto;
    grid-column: span 2;
  }

  .prompt-toolbar,
  .global-search,
  .hero-search {
    grid-template-columns: 1fr;
    border-radius: var(--radius);
  }

  .mock-app {
    grid-template-columns: 1fr;
  }

  .mock-sidebar {
    display: none;
  }
}

@media (max-width: 620px) {
  .container,
  .narrow {
    width: min(100% - 24px, var(--max));
  }

  .brand {
    min-width: 116px;
    min-height: 44px;
  }

  .brand-logo {
    width: 128px;
    max-width: 40vw;
    border-radius: 12px;
  }

  .brand-text {
    font-size: 1.05rem;
  }

  .hero {
    padding-top: 2.1rem;
  }

  h1 {
    font-size: clamp(2.2rem, 12vw, 3.5rem);
  }

  .hero-actions,
  .quick-links,
  .cluster {
    align-items: stretch;
  }

  .hero-actions .btn,
  .quick-links .chip,
  .cluster .btn {
    width: 100%;
  }

  .metric-strip,
  .cards-grid,
  .tools-grid,
  .article-grid,
  .news-grid,
  .benefits-grid,
  .team-grid,
  .prompt-grid,
  .values-grid,
  .bento-grid,
  .score-grid,
  .pricing-grid,
  .gallery-grid,
  .download-grid,
  .performance-grid,
  .enterprise-strip-inner,
  .ecosystem-map,
  .ecosystem-node-grid,
  .ad-map,
  .inline-related,
  .mock-grid,
  .screen-columns,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .bento-wide {
    grid-column: auto;
  }

  .floating-proof {
    position: static;
    width: 100%;
    margin-top: 0.8rem;
  }

  .dashboard-mockup {
    box-shadow: var(--shadow-md);
  }

  .mock-main {
    padding: 0.75rem;
  }

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

  .author-box {
    grid-template-columns: 1fr;
  }

  .mobile-sticky-cta {
    display: grid;
  }

  .adsense-unit {
    margin: 1rem 0;
  }

  .adsense-unit--header,
  .adsense-unit--footer,
  .adsense-unit--article-title {
    width: min(100% - 24px, var(--max));
  }

  .adsense-unit--header,
  .adsense-unit--horizontal,
  .adsense-unit--footer {
    min-height: 96px;
  }

  .adsense-unit--in-content,
  .adsense-unit--native,
  .adsense-unit--in-article,
  .adsense-unit--article-end,
  .sidebar .adsense-unit--sidebar {
    min-height: 250px;
  }

  .adsense-unit--grid {
    min-height: 180px;
  }

  .adsense-unit--mobile-sticky {
    position: fixed;
    right: 12px;
    bottom: 12px;
    left: 12px;
    z-index: 120;
    display: grid;
    min-height: 72px;
    margin: 0;
    box-shadow: var(--shadow-lg);
  }

  body {
    padding-bottom: 82px;
  }

  .slider-track {
    grid-auto-columns: minmax(260px, 86%);
  }

  .tabs {
    border-radius: var(--radius);
  }
}