/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #fdf6f0;
  --color-surface: #ffffff;
  --color-text: #2d2a26;
  --color-text-muted: #6b625a;
  --color-primary: #f59e0b;
  --color-primary-dark: #d97706;
  --color-secondary: #8b5cf6;
  --color-secondary-dark: #7c3aed;
  --color-accent: #ec4899;
  --color-border: #e8e0d5;
  --color-shadow: rgba(0, 0, 0, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 960px;
  --transition: 0.2s ease;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: radial-gradient(circle at 20% 30%, rgba(245, 158, 11, 0.06) 0%, transparent 50%),
                    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
}

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

a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HEADER ===== */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--color-primary-dark);
}

.logo-icon {
  font-size: 1.6rem;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 8px;
}

.main-nav a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}

.main-nav a.active,
.main-nav a:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

/* ===== HERO ===== */
.hero {
  padding: 60px 0 40px;
  text-align: center;
}

.hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--color-text);
}

.hero .highlight {
  color: var(--color-primary-dark);
  background: linear-gradient(120deg, rgba(245, 158, 11, 0.2) 0%, rgba(245, 158, 11, 0.05) 100%);
  padding: 0 8px;
  border-radius: 6px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 24px;
}

/* ===== SECTION TITLES ===== */
.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

/* ===== TRANSLATOR ===== */
.translator-section {
  padding: 40px 0 50px;
}

.translator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.translator-pane {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 4px 16px var(--color-shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pane-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pane-icon {
  font-size: 1.6rem;
}

.pane-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}

.translator-input {
  width: 100%;
  min-height: 120px;
  padding: 14px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
  background: #fdfaf7;
  transition: border-color var(--transition);
  line-height: 1.5;
}

.translator-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  border: none;
  border-radius: 28px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.45);
}

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.35);
}

.btn-secondary:hover {
  background: var(--color-secondary-dark);
  box-shadow: 0 6px 18px rgba(139, 92, 246, 0.45);
}

.btn-small {
  padding: 8px 18px;
  font-size: 0.9rem;
  border-radius: 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.btn-small:hover {
  background: #f9f5f0;
  border-color: var(--color-primary);
}

.result-area {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 24px;
  box-shadow: 0 4px 16px var(--color-shadow);
  flex-wrap: wrap;
}

.result-box {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.result-label {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.translation-text {
  font-size: 1.15rem;
  word-break: break-word;
  color: var(--color-text);
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 50px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-card {
  text-align: center;
  padding: 24px 16px;
  background: #fdfaf7;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-shadow);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.step-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.step-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ===== USE CASES ===== */
.use-cases {
  padding: 50px 0;
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.usecase-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 4px 12px var(--color-shadow);
  transition: transform var(--transition);
}

.usecase-card:hover {
  transform: translateY(-3px);
}

.usecase-icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 12px;
}

.usecase-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.usecase-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ===== FAQ ===== */
.faq {
  padding: 50px 0 60px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 18px 0;
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-item dt {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 6px;
  cursor: default;
  color: var(--color-text);
}

.faq-item dd {
  color: var(--color-text-muted);
  margin-left: 0;
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ===== FOOTER ===== */
.site-footer {
  margin-top: auto;
  background: #2d2a26;
  color: #c9c0b5;
  padding: 32px 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.footer-links a {
  color: #e8e0d5;
  font-weight: 500;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-copy {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ===== ABOUT PAGE ===== */
.about-page {
  padding: 50px 0 60px;
}

.about-page h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 24px;
  text-align: center;
}

.about-content {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 4px 16px var(--color-shadow);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
}

/* ===== LEGAL PAGES ===== */
.legal-page {
  padding: 50px 0 60px;
}

.legal-page h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 28px;
  text-align: center;
}

.legal-content {
  max-width: 760px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 4px 16px var(--color-shadow);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .translator-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .usecases-grid {
    grid-template-columns: 1fr;
  }

  .site-header .container {
    flex-direction: column;
    gap: 12px;
  }

  .main-nav ul {
    gap: 4px;
  }

  .result-area {
    flex-direction: column;
    align-items: stretch;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .about-content,
  .legal-content {
    padding: 24px 20px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.95rem;
  }

  .translator-pane {
    padding: 18px;
  }
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}