/* public/landing.css */
/* Landing page specific styles */

.landing-page {
  background:
    radial-gradient(circle at 50% 0%, rgba(83, 101, 198, 0.15), rgba(8, 9, 12, 0.98)),
    radial-gradient(circle at 80% 80%, rgba(122, 162, 247, 0.08), transparent);
  min-height: 100vh;
}

/* Header Navigation */
.landing-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 12, 0.85);
  border-bottom: 1px solid rgba(122, 162, 247, 0.1);
  backdrop-filter: blur(12px);
}

.landing-header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem clamp(2rem, 6vw, 8rem);
  max-width: 1600px;
  margin: 0 auto;
}

.landing-header__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  transition: color 150ms ease;
}

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

.landing-header__github {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem;
  border-radius: 9999px;
  background: rgba(122, 162, 247, 0.1);
  border: 1px solid rgba(122, 162, 247, 0.25);
  color: var(--fg);
  text-decoration: none;
  transition: all 150ms ease;
}

.landing-header__github:hover {
  background: rgba(122, 162, 247, 0.2);
  border-color: rgba(122, 162, 247, 0.4);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(122, 162, 247, 0.2);
}

.landing-header__github svg {
  width: 22px;
  height: 22px;
}

/* Hero Section */
.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 4rem;
  padding: 6rem clamp(2rem, 6vw, 8rem) 4rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.landing-hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(122, 162, 247, 0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.7;
  }
}

.landing-hero__content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.landing-hero__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.landing-hero__title em {
  color: var(--accent);
  font-style: normal;
  position: relative;
}

.landing-hero__title em::after {
  content: "";
  position: absolute;
  bottom: 0.1em;
  left: 0;
  right: 0;
  height: 0.12em;
  background: linear-gradient(90deg, var(--accent), rgba(122, 162, 247, 0.3));
  border-radius: 2px;
}

.landing-hero__subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
  max-width: 640px;
}

.landing-hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.button--lg {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}

.landing-hero__badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.landing-hero__demo {
  position: relative;
  z-index: 1;
}

/* Hero Demo */
.hero-demo {
  background: var(--panel-strong);
  border: 1px solid rgba(122, 162, 247, 0.2);
  border-radius: 1.5rem;
  padding: 1.8rem;
  box-shadow:
    var(--shadow),
    0 0 40px rgba(122, 162, 247, 0.15);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.hero-demo__code {
  position: relative;
}

.code-preview {
  margin: 0;
  padding: 1.2rem;
  background: rgba(8, 9, 12, 0.7);
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow-x: auto;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  color: #d9e2ff;
}

.hero-demo__controls {
  display: flex;
  justify-content: center;
}

.button__icon {
  font-size: 0.9em;
}

.hero-demo__output {
  min-height: 120px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-demo__result-card {
  background: rgba(8, 9, 12, 0.6);
  border: 1px solid rgba(122, 162, 247, 0.22);
  border-radius: 1.1rem;
  padding: 1.4rem;
  display: grid;
  gap: 1.2rem;
  box-shadow:
    var(--shadow),
    0 12px 28px rgba(8, 9, 12, 0.45);
}

.hero-demo__result-card--success {
  border-color: rgba(61, 214, 140, 0.35);
  box-shadow: 0 16px 36px rgba(61, 214, 140, 0.18);
}

.hero-demo__result-card--idle {
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 28px rgba(8, 9, 12, 0.3);
}

.hero-demo__result-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.hero-demo__result-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.hero-demo__result-header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.hero-demo__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(61, 214, 140, 0.18);
  border: 1px solid rgba(61, 214, 140, 0.35);
  color: var(--fg);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-demo__result-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.hero-demo__stack {
  display: grid;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.9rem;
  padding: 0.9rem 1rem;
}

.hero-demo__stack h4 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-demo__stack ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.85rem;
  color: #dce3ff;
}

.hero-demo__state {
  margin: 0;
  padding: 0.75rem;
  border-radius: 0.75rem;
  background: rgba(8, 9, 12, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  max-height: 220px;
  overflow: auto;
  font-family:
    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 0.8rem;
  color: #dce3ff;
}

.hero-demo__empty {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-demo__placeholder {
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

/* Sections */
.landing-section {
  padding: 1rem clamp(2rem, 6vw, 8rem);
  position: relative;
}

.landing-section--comparison {
  background: linear-gradient(180deg, transparent, rgba(24, 27, 35, 0.4), transparent);
}

.landing-section--value-props {
  background: rgba(8, 9, 12, 0.3);
}

.landing-section__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.landing-section__header h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin: 0 0 1rem;
  font-weight: 700;
}

.landing-section__header p {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0;
}

/* Comparison Widget */
.comparison-widget {
  max-width: 1400px;
  margin: 0 auto;
  background: var(--panel-strong);
  border: 1px solid rgba(122, 162, 247, 0.15);
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.comparison-tabs {
  display: flex;
  gap: 0;
  background: rgba(8, 9, 12, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.5rem;
}

.comparison-tab {
  flex: 1;
  padding: 0.9rem 1.5rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  color: var(--muted);
  font-weight: 500;
  transition: all 150ms ease;
  cursor: pointer;
}

.comparison-tab:hover {
  background: rgba(122, 162, 247, 0.08);
  color: var(--fg);
}

.comparison-tab--active {
  background: rgba(122, 162, 247, 0.15);
  border-color: rgba(122, 162, 247, 0.3);
  color: var(--fg);
}

.comparison-content {
  padding: 2.5rem;
}

.comparison-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.comparison-side {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.comparison-side h4 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
}

.comparison-side--traditional h4 {
  color: var(--error);
}

.comparison-side--typelang h4 {
  color: var(--ok);
}

.comparison-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.issue-item {
  color: #ffb4ab;
}

.benefit-item {
  color: #a8dab5;
}

.comparison-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}

.comparison-arrow {
  font-size: 2rem;
  color: var(--accent);
  animation: slide 2s ease-in-out infinite;
}

@keyframes slide {
  0%,
  100% {
    transform: translateX(0);
    opacity: 0.6;
  }
  50% {
    transform: translateX(8px);
    opacity: 1;
  }
}

/* Value Props */
.value-props-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.value-prop {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: transform 200ms ease, box-shadow 200ms ease;
  backdrop-filter: blur(16px);
}

.value-prop:hover {
  transform: translateY(-4px);
  box-shadow:
    var(--shadow),
    0 0 30px rgba(122, 162, 247, 0.2);
}

.value-prop__icon {
  font-size: 3rem;
  line-height: 1;
}

.value-prop__title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.value-prop__description {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.value-prop__features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: #c5cae4;
  font-size: 0.95rem;
}

.value-prop__features li::before {
  content: "→ ";
  color: var(--accent);
  font-weight: bold;
  margin-right: 0.5rem;
}

/* Learning Paths */
.learning-paths-grid {
  display: grid;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.learning-path {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 2rem;
  transition: all 200ms ease;
  text-decoration: none;
  color: inherit;
}

.learning-path:hover {
  border-color: rgba(122, 162, 247, 0.4);
  background: rgba(122, 162, 247, 0.08);
  transform: translateX(8px);
}

.learning-path__icon {
  font-size: 2.5rem;
  line-height: 1;
}

.learning-path__content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.learning-path__title {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
}

.learning-path__description {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.learning-path__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.learning-path__arrow {
  font-size: 1.5rem;
  color: var(--accent);
  transition: transform 200ms ease;
}

.learning-path:hover .learning-path__arrow {
  transform: translateX(4px);
}

/* CTA Section */
.landing-section--cta {
  background: linear-gradient(135deg, rgba(122, 162, 247, 0.1), rgba(83, 101, 198, 0.08));
  border-top: 1px solid rgba(122, 162, 247, 0.2);
  border-bottom: 1px solid rgba(122, 162, 247, 0.2);
}

.landing-cta {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  align-items: center;
}

.landing-cta h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin: 0;
  font-weight: 700;
}

.landing-cta p {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

/* Footer */
.landing-footer {
  padding: 3rem clamp(2rem, 6vw, 8rem);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.landing-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.landing-footer__nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.landing-footer__nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 150ms ease;
  font-size: 0.95rem;
}

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

/* Responsive */
@media (max-width: 968px) {
  .landing-hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 4rem 2rem 3rem;
  }

  .comparison-split {
    grid-template-columns: 1fr;
  }

  .comparison-divider {
    padding: 0;
  }

  .comparison-arrow {
    transform: rotate(90deg);
  }

  .value-props-grid {
    grid-template-columns: 1fr;
  }

  .learning-path {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .learning-path__meta {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .landing-header__container {
    padding: 1rem 1.5rem;
  }

  .landing-section {
    padding: 3rem 1.5rem;
  }

  .landing-hero {
    padding: 3rem 1.5rem 2rem;
  }

  .landing-hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .landing-hero__actions .button {
    width: 100%;
    justify-content: center;
  }

  .comparison-content {
    padding: 1.5rem;
  }

  .comparison-tabs {
    flex-direction: column;
  }

  .value-prop {
    padding: 2rem 1.5rem;
  }

  .learning-path {
    padding: 1.5rem;
  }
}