.app-body.landing {
  background:
    radial-gradient(ellipse 85% 55% at 50% -18%, rgb(36 87 197 / 0.18), transparent 70%),
    radial-gradient(ellipse 55% 40% at 90% 4%, rgb(96 139 232 / 0.12), transparent 72%),
    radial-gradient(ellipse 48% 36% at 10% 14%, rgb(35 86 194 / 0.08), transparent 75%),
    linear-gradient(180deg, #f2f6ff 0%, #edf2fa 42%, #e7edf6 100%);
}

.app-body.landing .app-shell {
  width: 100%;
  max-width: none;
  padding: 0;
}

.landing-container {
  width: min(100% - (2 * var(--space-6)), 1120px);
  margin-inline: auto;
}

/* Header */

.landing-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: var(--space-4) var(--space-6);
  background: rgb(242 246 255 / 0.78);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid rgb(195 208 226 / 0.6);
  box-shadow: 0 1px 0 rgb(255 255 255 / 0.7);
}

.landing-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - (2 * var(--space-6)), 1120px);
  margin-inline: auto;
}

.landing-header__actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.locale-selector {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: var(--radius-pill);
  border: 1px solid rgb(195 208 226 / 0.72);
  background: rgb(255 255 255 / 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.locale-selector__form {
  margin: 0;
  display: inline-flex;
}

.locale-selector__button {
  min-width: 42px;
  height: 34px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-meta);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0 var(--space-3);
  transition:
    background-color var(--motion-base) var(--motion-ease),
    color var(--motion-base) var(--motion-ease),
    box-shadow var(--motion-base) var(--motion-ease);
}

.locale-selector__button:hover {
  background: rgb(255 255 255 / 0.66);
  color: var(--color-text-primary);
}

.locale-selector__button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgb(36 87 197 / 0.34);
}

.locale-selector__button--active {
  color: var(--color-accent);
  background: var(--color-bg-surface);
  box-shadow: inset 0 0 0 1px rgb(36 87 197 / 0.2);
}

.theme-switcher {
  min-width: 78px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid rgb(195 208 226 / 0.72);
  background: rgb(255 255 255 / 0.7);
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-4);
  font-size: var(--text-meta);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    color var(--motion-base) var(--motion-ease),
    border-color var(--motion-base) var(--motion-ease),
    background var(--motion-base) var(--motion-ease),
    box-shadow var(--motion-base) var(--motion-ease);
}

.theme-switcher:hover {
  color: var(--color-text-primary);
  border-color: rgb(171 186 210 / 0.86);
}

.theme-switcher:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgb(36 87 197 / 0.34);
}

.theme-switcher[aria-pressed="true"] {
  border-color: rgb(36 87 197 / 0.62);
  background: linear-gradient(135deg, #2f66d7 0%, #1f4fb6 100%);
  color: #ffffff;
}

.landing-wordmark {
  font-size: 1.25rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  text-decoration: none;
}

.landing-wordmark:hover {
  color: var(--color-accent-hover);
}

/* Hero */

.landing-hero {
  padding: 104px var(--space-6) 72px;
  text-align: center;
  position: relative;
  overflow: clip;
}

.landing-hero::before,
.landing-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(0.5px);
  pointer-events: none;
}

.landing-hero::before {
  width: clamp(180px, 24vw, 340px);
  aspect-ratio: 1;
  top: 8%;
  left: max(-52px, 3vw);
  background: radial-gradient(circle at 32% 32%, rgb(255 255 255 / 0.84), rgb(170 195 245 / 0.08) 66%, transparent 74%);
}

.landing-hero::after {
  width: clamp(150px, 20vw, 280px);
  aspect-ratio: 1;
  bottom: 10%;
  right: max(-40px, 3vw);
  background: radial-gradient(circle at 36% 36%, rgb(162 187 238 / 0.16), transparent 68%);
}

.landing-hero > * {
  position: relative;
  z-index: 1;
}

.landing-hero .stack {
  align-items: center;
  max-width: 760px;
  margin-inline: auto;
  gap: var(--space-5);
  animation: landing-fade-up 520ms var(--motion-ease) both;
}

.landing-hero__eyebrow {
  color: var(--color-accent);
  letter-spacing: 0.2em;
}

.landing-hero__actions {
  justify-content: center;
}

.landing-hero .page-title {
  font-size: clamp(2.75rem, 2rem + 3vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  text-wrap: balance;
  font-weight: 760;
  max-width: 13ch;
  margin-inline: auto;
}

.landing-hero .page-title .gradient-text {
  background: linear-gradient(135deg, var(--color-accent), #4f7fdb 40%, #1e40af 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-hero .lead {
  font-size: 1.25rem;
  line-height: 1.7;
  text-wrap: balance;
  max-width: 34ch;
  margin-inline: auto;
  color: var(--color-text-muted);
}

.landing-hero .cluster {
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.landing-hero__actions .btn-landing {
  min-width: 172px;
}

/* Landing CTA button */

.btn-landing {
  min-height: 50px;
  padding: 0 var(--space-8);
  font-size: 1rem;
  font-weight: 650;
  white-space: nowrap;
  border-radius: var(--radius-pill);
  transition:
    background-color var(--motion-base) var(--motion-ease),
    box-shadow var(--motion-base) var(--motion-ease),
    transform var(--motion-base) var(--motion-ease),
    border-color var(--motion-base) var(--motion-ease);
}

.btn-primary.btn-landing {
  color: #ffffff;
  box-shadow:
    0 1px 2px rgb(36 87 197 / 0.2),
    0 4px 16px rgb(36 87 197 / 0.18);
}

.btn-primary.btn-landing:visited {
  color: #ffffff;
}

.btn-primary.btn-landing:hover {
  box-shadow:
    0 2px 4px rgb(36 87 197 / 0.25),
    0 8px 32px rgb(36 87 197 / 0.22);
  transform: translateY(-1px);
}

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

.btn-secondary.btn-landing:visited {
  color: var(--color-text-primary);
}

/* Product mockup (CSS-only browser frame) */

.landing-mockup {
  margin-top: var(--space-10);
  width: min(100% - (2 * var(--space-6)), 960px);
  margin-inline: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-surface);
  box-shadow:
    var(--shadow-2),
    0 24px 80px rgb(15 23 42 / 0.08),
    0 0 0 1px rgb(15 23 42 / 0.03);
  overflow: hidden;
  transform: perspective(1600px) rotateX(1deg);
  transform-origin: center top;
  transition:
    transform var(--motion-slow) var(--motion-ease),
    box-shadow var(--motion-slow) var(--motion-ease);
  animation: landing-fade-up 620ms var(--motion-ease) 120ms both;
}

.landing-mockup:hover {
  transform: perspective(1600px) rotateX(0) translateY(-1px);
  box-shadow:
    var(--shadow-3),
    0 26px 86px rgb(15 23 42 / 0.09),
    0 0 0 1px rgb(15 23 42 / 0.04);
}

.landing-mockup__bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-muted);
  border-bottom: 1px solid var(--color-border-subtle);
}

.landing-mockup__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--color-border-strong);
}

.landing-mockup__url {
  flex: 1;
  margin-left: var(--space-3);
  height: 26px;
  border-radius: var(--radius-xs);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  font-size: var(--text-meta);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.landing-mockup__body {
  padding: var(--space-6) var(--space-8);
  min-height: 280px;
  display: grid;
  gap: var(--space-5);
}

.landing-mockup__nav {
  display: flex;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: var(--space-3);
}

.landing-mockup__nav-item {
  font-size: var(--text-body-s);
  font-weight: 550;
  color: var(--color-text-muted);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.landing-mockup__nav-item--active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.landing-mockup__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.landing-mockup__stat {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  display: grid;
  gap: var(--space-2);
}

.landing-mockup__stat-label {
  font-size: var(--text-meta);
  color: var(--color-text-muted);
  font-weight: 550;
}

.landing-mockup__stat-value {
  font-size: var(--text-title-l);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.landing-mockup__stat-value--accent {
  color: var(--color-accent);
}

.landing-mockup__stat-value--success {
  color: var(--color-success-text);
}

.landing-mockup__stat-value--warning {
  color: var(--color-warning-text);
}

.landing-mockup__rows {
  display: grid;
  gap: 0;
}

.landing-mockup__row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: var(--text-body-s);
}

.landing-mockup__row:last-child {
  border-bottom: 0;
}

/* Trust strip */

.landing-trust {
  margin-inline: auto;
  max-width: 980px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-6);
  border: 1px solid rgb(195 208 226 / 0.62);
  border-radius: var(--radius-xl);
  background: rgb(255 255 255 / 0.74);
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: landing-fade-up 600ms var(--motion-ease) 200ms both;
}

.landing-trust__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-body-s);
  font-weight: 550;
  color: var(--color-text-muted);
}

.landing-trust__icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
}

.landing-trust__icon--accent {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.landing-trust__icon--success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

/* Sections */

.landing-section {
  padding: var(--space-16) var(--space-6);
}

.landing-section--muted {
  background:
    radial-gradient(ellipse 70% 90% at 50% 0%, rgb(36 87 197 / 0.04), transparent 72%),
    linear-gradient(180deg, rgb(255 255 255 / 0.5), rgb(236 243 252 / 0.72));
  border-block: 1px solid rgb(195 208 226 / 0.5);
}

.landing-section .eyebrow {
  color: var(--color-accent);
  letter-spacing: 0.18em;
}

/* Value cards grid */

.landing-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

.landing-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding: var(--space-8) var(--space-6);
  position: relative;
  overflow: hidden;
  transition:
    box-shadow var(--motion-slow) var(--motion-ease),
    transform var(--motion-slow) var(--motion-ease),
    border-color var(--motion-slow) var(--motion-ease);
}

.landing-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #4f7fdb);
  opacity: 0;
  transition: opacity var(--motion-slow) var(--motion-ease);
}

.landing-card:hover {
  box-shadow: var(--shadow-3);
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
}

.landing-card:hover::before {
  opacity: 1;
}

.landing-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-accent-soft), rgb(36 87 197 / 0.08));
  color: var(--color-accent);
  font-size: var(--text-body-s);
  font-weight: 700;
  font-family: var(--font-mono);
}

.landing-card .lead {
  font-size: 1rem;
  line-height: 1.6;
}

/* Bento feature grid */

.landing-bento {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

.landing-bento__item {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-1);
  position: relative;
  overflow: hidden;
  transition:
    box-shadow var(--motion-slow) var(--motion-ease),
    transform var(--motion-slow) var(--motion-ease),
    border-color var(--motion-slow) var(--motion-ease);
}

.landing-bento__item:hover {
  box-shadow: var(--shadow-3);
  transform: translateY(-2px);
  border-color: var(--color-border-strong);
}

.landing-bento__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
}

.landing-bento__icon--blue {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.landing-bento__icon--green {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

.landing-bento__icon--amber {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.landing-bento__icon--slate {
  background: #ebf0f8;
  color: #334155;
}

.landing-bento__label {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-meta);
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.landing-bento__item .lead {
  font-size: 1rem;
  line-height: 1.6;
}

/* Footer CTA */

.landing-footer {
  width: min(100% - (2 * var(--space-6)), 980px);
  margin: var(--space-12) auto 0;
  padding: var(--space-12) var(--space-6);
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 80%, rgb(36 87 197 / 0.08), transparent),
    radial-gradient(ellipse 40% 40% at 20% 100%, rgb(36 87 197 / 0.04), transparent),
    var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2);
  position: relative;
  overflow: hidden;
}

.landing-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.4;
}

.landing-footer .stack {
  align-items: center;
}

.landing-footer__actions {
  justify-content: center;
}

.landing-footer .btn-landing {
  min-width: 172px;
}

.landing-footer .title-l {
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  text-wrap: balance;
}

.landing-footer-meta {
  padding: var(--space-8) var(--space-6) var(--space-6);
  text-align: center;
}

@keyframes landing-fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

:root[data-color-mode="dark"] .app-body.landing {
  background:
    radial-gradient(ellipse 85% 56% at 50% -20%, rgb(126 168 255 / 0.24), transparent 70%),
    radial-gradient(ellipse 54% 40% at 92% 5%, rgb(126 168 255 / 0.17), transparent 72%),
    radial-gradient(ellipse 48% 38% at 10% 15%, rgb(96 139 232 / 0.16), transparent 74%),
    linear-gradient(180deg, #0a1120 0%, #0d1526 48%, #0b1426 100%);
}

:root[data-color-mode="dark"] .landing-header {
  background: rgb(9 15 28 / 0.82);
  border-bottom: 1px solid rgb(56 73 108 / 0.62);
  box-shadow: 0 1px 0 rgb(16 24 42 / 0.92);
}

:root[data-color-mode="dark"] .locale-selector,
:root[data-color-mode="dark"] .theme-switcher {
  background: rgb(15 25 43 / 0.74);
  border-color: rgb(70 88 124 / 0.78);
}

:root[data-color-mode="dark"] .locale-selector__button:hover {
  background: rgb(37 55 92 / 0.88);
}

:root[data-color-mode="dark"] .locale-selector__button--active {
  background: rgb(29 46 79 / 0.9);
  color: #c8dbff;
  box-shadow: inset 0 0 0 1px rgb(126 168 255 / 0.35);
}

:root[data-color-mode="dark"] .theme-switcher:hover {
  border-color: rgb(119 140 183 / 0.8);
  color: #e4ecff;
}

:root[data-color-mode="dark"] .theme-switcher[aria-pressed="true"] {
  border-color: rgb(174 196 255 / 0.9);
  background: linear-gradient(135deg, #d6e4ff 0%, #96b8ff 100%);
  color: #132347;
}

:root[data-color-mode="dark"] .landing-hero::before {
  background: radial-gradient(circle at 32% 32%, rgb(121 158 234 / 0.24), transparent 74%);
}

:root[data-color-mode="dark"] .landing-hero::after {
  background: radial-gradient(circle at 36% 36%, rgb(126 168 255 / 0.24), transparent 68%);
}

:root[data-color-mode="dark"] .landing-mockup {
  box-shadow:
    var(--shadow-2),
    0 24px 80px rgb(2 6 23 / 0.48),
    0 0 0 1px rgb(142 166 213 / 0.06);
}

:root[data-color-mode="dark"] .landing-section--muted {
  background:
    radial-gradient(ellipse 70% 90% at 50% 0%, rgb(126 168 255 / 0.14), transparent 72%),
    linear-gradient(180deg, rgb(9 16 32 / 0.86), rgb(14 23 42 / 0.96));
  border-block: 1px solid rgb(52 69 102 / 0.72);
}

:root[data-color-mode="dark"] .landing-trust {
  background: rgb(12 20 36 / 0.76);
  border-color: rgb(61 79 116 / 0.76);
  box-shadow: 0 1px 2px rgb(2 6 23 / 0.56);
}

:root[data-color-mode="dark"] .landing-bento__icon--slate {
  background: rgb(41 58 92 / 0.82);
  color: #d8e5ff;
}

:root[data-color-mode="dark"] .landing-footer {
  background:
    radial-gradient(ellipse 60% 50% at 50% 80%, rgb(126 168 255 / 0.2), transparent),
    radial-gradient(ellipse 40% 40% at 20% 100%, rgb(126 168 255 / 0.1), transparent),
    rgb(17 27 47 / 0.95);
}

@media (min-width: 769px) {
  .landing-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .landing-bento {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .landing-header {
    padding: var(--space-3) var(--space-4);
  }

  .landing-header__actions {
    gap: var(--space-2);
  }

  .landing-hero {
    padding: var(--space-12) var(--space-4) var(--space-10);
  }

  .locale-selector__button {
    min-width: 36px;
    padding-inline: var(--space-2);
  }

  .theme-switcher {
    min-width: 64px;
    padding-inline: var(--space-3);
  }

  .landing-hero::before {
    left: -72px;
    top: -4%;
  }

  .landing-hero::after {
    right: -72px;
    bottom: -10%;
  }

  .landing-mockup {
    width: calc(100% - (2 * var(--space-4)));
    transform: none;
  }

  .landing-mockup__body {
    padding: var(--space-4);
  }

  .landing-mockup__cards {
    grid-template-columns: 1fr;
  }

  .landing-mockup__row {
    grid-template-columns: 1fr auto;
  }

  .landing-section {
    padding: var(--space-10) var(--space-4);
  }

  .landing-trust {
    gap: var(--space-4);
    padding: var(--space-4);
  }

  .landing-footer {
    width: calc(100% - (2 * var(--space-4)));
    margin-top: var(--space-8);
    padding: var(--space-10) var(--space-4);
  }

  .landing-footer-meta {
    padding: var(--space-6) var(--space-4);
  }

  .app-body.landing .btn {
    width: auto;
  }
}