:root {
  --bg: #f8f6f3;
  --bg-card: #fff;
  --text: #1c1c1c;
  --text-muted: #5a5a5a;
  --text-muted-2: #888;
  --accent: #1a6b5c;
  --accent-hover: #145248;
  --accent-light: rgba(26, 107, 92, 0.08);
  --border: #e2dfdb;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: 0.2s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 720px; margin: 0 auto; padding: 1.25rem 1.5rem; }

.hero {
  background: linear-gradient(180deg, #f0ede8 0%, var(--bg) 100%);
  padding: 4rem 1.5rem 3.5rem;
  text-align: center;
}

.hero-inner { max-width: 560px; margin: 0 auto; }

.hero-title { font-size: 2.75rem; font-weight: 700; margin: 0 0 0.4rem; letter-spacing: -0.03em; color: var(--text); }

.hero-tagline { font-size: 1.1rem; color: var(--text-muted); margin: 0 0 1rem; font-weight: 500; }

.hero-desc { font-size: 1rem; color: var(--text-muted); line-height: 1.6; margin: 0 0 2rem; }

.scroll-hint { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--text-muted-2); }

.scroll-hint-icon { animation: bounce 2s ease-in-out infinite; }

@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }

/* Language switcher (button-style) */
.lang-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.lang-switcher a {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  color: var(--accent);
  background: var(--accent-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: 999px;
  transition: background var(--transition), color var(--transition);
}

.lang-switcher a:hover {
  background: var(--accent);
  color: #fff;
}

.lang-switcher a[aria-current="page"] {
  background: var(--accent);
  color: #fff;
}

.lang-switcher--footer {
  margin-top: 0.75rem;
  margin-bottom: 0;
}

/* Language switcher in top-right corner */
.lang-switcher--corner {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  margin: 0;
}

.intro-section { padding: 2rem 0 2.5rem; }

.intro-heading { font-size: 1.35rem; font-weight: 600; margin: 0 0 1rem; letter-spacing: -0.02em; }

.intro-list { margin: 0; padding: 0 0 0 1.25rem; color: var(--text-muted); font-size: 0.9375rem; line-height: 1.7; }

.intro-list li { margin-bottom: 0.75rem; }

.intro-list li:last-child { margin-bottom: 0; }

.intro-list strong { color: var(--text); }

.tools-section { padding-bottom: 0.5rem; }

.tools-heading { font-size: 1.35rem; font-weight: 600; margin: 0 0 1rem; letter-spacing: -0.02em; }

.lang-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.lang-nav a {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  color: var(--accent);
  background: var(--accent-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: 999px;
  transition: background var(--transition), color var(--transition);
}

.lang-nav a:hover { background: var(--accent); color: #fff; }

.main { display: block; }

.tool-card, .main section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.tool-card:hover, .main section:hover { box-shadow: var(--shadow-hover); border-color: #d5d1cc; }

.tool-card h3, .main section h2 { font-size: 1.2rem; margin: 0 0 0.5rem; font-weight: 600; letter-spacing: -0.01em; }

.tool-card p, .main section p { margin: 0 0 1rem; color: var(--text-muted); font-size: 0.9375rem; }

.tool-card .btn, .main section .btn { padding: 0.55rem 1.1rem; font-size: 0.9rem; border-radius: var(--radius-sm); transition: background var(--transition), transform 0.15s ease; }

.tool-card .btn:hover, .main section .btn:hover { transform: translateY(-1px); }

.animate-on-scroll { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }

.animate-on-scroll.in-view { opacity: 1; transform: translateY(0); }

.tool-card.animate-on-scroll:nth-child(1) { transition-delay: 0.05s; }
.tool-card.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.tool-card.animate-on-scroll:nth-child(3) { transition-delay: 0.15s; }
.tool-card.animate-on-scroll:nth-child(4) { transition-delay: 0.2s; }
.tool-card.animate-on-scroll:nth-child(5) { transition-delay: 0.25s; }
.tool-card.animate-on-scroll:nth-child(6) { transition-delay: 0.3s; }
.tool-card.animate-on-scroll:nth-child(7) { transition-delay: 0.35s; }
.tool-card.animate-on-scroll:nth-child(8) { transition-delay: 0.4s; }
.tool-card.animate-on-scroll:nth-child(9) { transition-delay: 0.45s; }

.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: background var(--transition);
}

.btn:hover { background: var(--accent-hover); }

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

.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary { background: var(--text-muted); }

.btn-secondary:hover { background: #444; }

.breadcrumb { font-size: 0.875rem; margin-bottom: 1rem; color: var(--text-muted); }

.breadcrumb a { color: var(--accent); text-decoration: none; font-weight: 500; }

.breadcrumb a:hover { text-decoration: underline; }

.page-header { padding-bottom: 1.5rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border); }

.page-header h1 { font-size: 1.75rem; font-weight: 700; margin: 0 0 0.5rem; letter-spacing: -0.02em; }

.page-header p { margin: 0; color: var(--text-muted); font-size: 0.9375rem; line-height: 1.55; }

.generator-form label { display: block; font-weight: 500; margin-bottom: 0.5rem; font-size: 0.9375rem; color: var(--text); }

.generator-form textarea {
  width: 100%;
  min-height: 100px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
  background: var(--bg-card);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.generator-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }

.generator-form textarea::placeholder { color: var(--text-muted-2); }

.generator-form select {
  width: 100%;
  max-width: 280px;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.generator-form select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }

.generator-form .field { margin-bottom: 1.25rem; }

.preview-box {
  background: #faf9f7;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  min-height: 100px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.preview-text { font-size: 2rem; line-height: 1.4; white-space: pre-wrap; word-break: break-word; max-width: 100%; }

.preview-placeholder { color: var(--text-muted-2); font-size: 0.9375rem; }

.action-buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.5rem; }

.copy-hint { font-size: 0.875rem; color: var(--text-muted); margin: 0 0 1.5rem; display: none; }

.copy-hint:not(:empty) { display: block; }

.site-footer { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); font-size: 0.875rem; color: var(--text-muted); }

.site-footer a { color: var(--accent); text-decoration: none; font-weight: 500; }

.site-footer a:hover { text-decoration: underline; }

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

@media (max-width: 600px) {
  .container { padding: 1rem; }
  .lang-switcher--corner { top: 0.75rem; right: 0.75rem; }
  .hero { padding: 3rem 1rem 2.5rem; }
  .hero-title { font-size: 2rem; }
  .hero-tagline { font-size: 1rem; }
  .hero-desc { font-size: 0.9375rem; }
  .intro-section { padding: 1.5rem 0 2rem; }
  .intro-heading, .tools-heading { font-size: 1.2rem; }
  .tool-card, .main section { padding: 1.25rem; }
  .preview-text { font-size: 1.5rem; }
  .page-header h1 { font-size: 1.5rem; }
}