/* Theme mirrors app.languagecraze.com */
:root {
  --color-primary: #2e3a6e;
  --color-primary-shade: #283361;
  --color-primary-tint: #434e7d;
  --color-primary-contrast: #ffffff;
  --color-secondary: #c0392b;
  --color-secondary-shade: #a93226;
  --color-secondary-contrast: #ffffff;
  --color-bg: #f5f0e8;
  --color-text: #1a1a2e;
  --color-muted: #5a5a66;
  --color-card: #fffdf7;
  --color-surface-alt: #f0ece2;
  --color-chip-bg: #eee8d8;
  --color-chip-text: #1a1a2e;
  --color-border: #e2dccf;
  --font-family: "Georgia", "Noto Serif JP", serif;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(26, 26, 46, 0.08);
  --max-width: 1120px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #8c9be3;
    --color-primary-shade: #7b89c9;
    --color-primary-tint: #99a7e7;
    --color-primary-contrast: #14152a;
    --color-secondary: #e0a458;
    --color-secondary-shade: #c78f4d;
    --color-secondary-contrast: #2a1c0d;
    --color-bg: #17151f;
    --color-text: #ece7db;
    --color-muted: #a3a3ad;
    --color-card: #221f2e;
    --color-surface-alt: #1c1a26;
    --color-chip-bg: #2c2940;
    --color-chip-text: #ece7db;
    --color-border: #2f2c3d;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 1.0625rem;
  line-height: 1.65;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
}

a:hover {
  color: var(--color-primary-tint);
}

:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3 {
  line-height: 1.2;
  font-weight: 700;
  margin: 0 0 0.5em;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text);
  text-decoration: none;
}

.brand:hover {
  color: var(--color-text);
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a:not(.btn) {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.975rem;
}

.nav a:not(.btn):hover {
  color: var(--color-primary);
}

@media (max-width: 640px) {
  .nav a:not(.btn) {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.925rem;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.btn-primary:hover {
  background: var(--color-primary-shade);
  color: var(--color-primary-contrast);
  transform: translateY(-1px);
}

.btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

/* Store badges */
.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 1rem;
  border-radius: 12px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  cursor: default;
}

.store-badge svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  flex-shrink: 0;
}

.store-badge small {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-secondary);
  font-weight: 700;
}

.store-badge strong {
  display: block;
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.2;
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  letter-spacing: -0.01em;
}

.hero h1 .accent {
  color: var(--color-primary);
}

.hero .lead {
  font-size: 1.2rem;
  color: var(--color-muted);
  max-width: 36rem;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

/* Flashcard visual */
.card-stack {
  position: relative;
  aspect-ratio: 4 / 5;
  max-width: 340px;
  width: 100%;
  margin: 0 auto;
}

.flashcard {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  text-align: center;
}

.flashcard:nth-child(1) {
  transform: rotate(-8deg) translate(-18px, 10px);
  opacity: 0.55;
}

.flashcard:nth-child(2) {
  transform: rotate(5deg) translate(16px, 4px);
  opacity: 0.8;
}

.flashcard .kanji {
  font-size: clamp(6rem, 14vw, 8.5rem);
  line-height: 1;
  color: var(--color-primary);
}

.flashcard .reading {
  margin-top: 1.25rem;
  font-size: 1.3rem;
  color: var(--color-muted);
}

.flashcard .meaning {
  margin-top: 0.25rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-secondary);
}

@media (max-width: 860px) {
  .hero {
    padding: 3rem 0;
  }

  .hero .container {
    grid-template-columns: 1fr;
  }

  .card-stack {
    max-width: 260px;
  }
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 860px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.feature {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.feature .feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--color-chip-bg);
  color: var(--color-primary);
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
}

.feature h3 {
  font-size: 1.25rem;
}

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

/* Category chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 52rem;
}

.chips li {
  background: var(--color-chip-bg);
  color: var(--color-chip-text);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-size: 0.95rem;
}

.chips li span {
  color: var(--color-primary);
  margin-right: 0.35rem;
}

/* Platforms */
.platform {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

.platform .status {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
}

.status-live {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.status-soon {
  background: var(--color-chip-bg);
  color: var(--color-secondary);
}

.platform p {
  flex-grow: 1;
}

/* CTA */
.cta {
  text-align: center;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  border-radius: 24px;
  padding: 4rem 2rem;
}

.cta h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
}

.cta p {
  opacity: 0.85;
  margin: 0 auto 2rem;
  max-width: 34rem;
}

.cta .btn {
  background: var(--color-primary-contrast);
  color: var(--color-primary);
}

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

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

.site-footer a:hover {
  color: var(--color-primary);
}

/* Legal pages */
.legal {
  max-width: 46rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
}

.legal h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.legal .updated {
  color: var(--color-muted);
  margin-bottom: 2.5rem;
}

.legal h2 {
  font-size: 1.4rem;
  margin-top: 2.5rem;
}

.legal h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
}

.legal ul {
  padding-left: 1.25rem;
}

.legal li {
  margin-bottom: 0.4rem;
}

/* 404 */
.not-found {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
}

.not-found .kanji {
  font-size: 6rem;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

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

  .btn {
    transition: none;
  }
}