/* ===== TaskEater Landing Page ===== */

:root {
  color-scheme: light;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #d7dee8;
  --color-text: #17191f;
  --color-text-muted: #5d687a;
  --color-accent: #f3c517;
  --color-accent-hover: #d4a914;
  --color-accent-readable: #785b00;
  --color-screen: #eef2f7;
  --color-shadow: rgba(15, 23, 42, 0.14);
  --font-sans: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --max-width: 720px;
  --radius: 16px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --color-bg: #0a0e1a;
  --color-surface: #1a2236;
  --color-border: #2a3550;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-accent-readable: #f3c517;
  --color-screen: #111827;
  --color-shadow: rgba(0, 0, 0, 0.3);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-accent-readable);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-readable);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Hero ===== */

.app-hero {
  text-align: center;
  padding: 32px 0 48px;
}

.product-back {
  padding-top: 24px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.product-back a {
  color: var(--color-text-muted);
}

.product-back a:hover {
  color: var(--color-accent-readable);
}

.back-links {
  margin-bottom: 32px;
}

.back-links .back-link + .back-link {
  margin-left: 16px;
}

.back-links .lang-switch {
  margin-left: 16px;
}

.product-back .lang-switch {
  margin-left: 16px;
}

.app-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 24px;
  border-radius: 28px;
  box-shadow: 0 8px 32px rgba(243, 197, 23, 0.2);
}

.app-name {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.app-tagline {
  font-size: 1.15rem;
  color: var(--color-accent-readable);
  font-weight: 600;
  margin-bottom: 20px;
}

.app-description {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

.app-description p + p {
  margin-top: 8px;
}

/* ===== Screenshots ===== */

.screenshots {
  padding: 48px 0;
}

.screenshots h2 {
  font-size: 1.1rem;
  text-align: center;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 32px;
}

.screenshot-grid {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.phone-mockup {
  width: 220px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 4px 24px var(--color-shadow);
}

.phone-notch {
  width: 80px;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  margin: 4px auto 12px;
}

.phone-screen {
  aspect-ratio: 9 / 19.5;
  background: var(--color-screen);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone-placeholder {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 16px;
}

/* ===== Store badges ===== */

.store-section {
  text-align: center;
  padding: 32px 0 48px;
}

.store-section h2 {
  font-size: 1rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 20px;
}

.store-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.store-badge {
  height: 48px;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.store-badge.active {
  opacity: 1;
}

.store-badge.active:hover {
  opacity: 0.85;
}

.store-note {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ===== Support ===== */

.support-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  margin: 0 0 48px;
  text-align: center;
}

.support-section h2 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.support-section p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.support-email {
  font-size: 1.15rem;
  font-weight: 600;
}

.support-email a {
  color: var(--color-accent-readable);
}

/* ===== Footer ===== */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  list-style: none;
  margin-bottom: 16px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-accent-readable);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ===== Privacy page ===== */

.privacy-page {
  padding: 48px 0 64px;
}

.privacy-page h1 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.privacy-updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.privacy-page h2 {
  font-size: 1.15rem;
  margin: 32px 0 12px;
}

.privacy-page p,
.privacy-page li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.privacy-page ul {
  padding-left: 1.5em;
  margin: 8px 0;
}

.privacy-page li + li {
  margin-top: 4px;
}

.back-link {
  display: inline-block;
  margin-bottom: 32px;
  font-size: 0.9rem;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 480px) {
  .app-name {
    font-size: 2rem;
  }

  .phone-mockup {
    width: 180px;
  }
}