/* Amatya — Wave 4 minimal styles */
:root {
  --color-primary: #1d4ed8;
  --color-primary-hover: #1e40af;
  --color-text: #111827;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-bg: #ffffff;
  --color-success-bg: #dcfce7;
  --color-success-text: #166534;
  --color-error-bg: #fee2e2;
  --color-error-text: #991b1b;
  --radius: 8px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

.container { max-width: 600px; margin: 0 auto; padding: 0 1rem; }

/* Nav */
.site-nav { border-bottom: 1px solid var(--color-border); padding: 1rem 0; }
.site-nav .container { display: flex; align-items: center; justify-content: space-between; }
.site-logo { font-weight: 700; font-size: 1.2rem; color: var(--color-primary); text-decoration: none; }

/* Hero section */
.hero { padding: 3rem 0 2rem; text-align: center; }
.hero-badge { display: inline-block; background: #eff6ff; color: var(--color-primary); font-size: 0.75rem; font-weight: 600; padding: 0.25rem 0.75rem; border-radius: 100px; margin-bottom: 1rem; letter-spacing: 0.05em; text-transform: uppercase; }
.hero h1 { font-size: clamp(1.5rem, 5vw, 2.25rem); font-weight: 700; line-height: 1.2; margin-bottom: 0.75rem; }
.hero-subtitle { color: var(--color-muted); font-size: 1rem; margin-bottom: 2rem; max-width: 480px; margin-left: auto; margin-right: auto; }

/* Article card */
.article-card { background: #f9fafb; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem; text-align: left; }
.article-card-label { font-size: 0.75rem; font-weight: 600; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.article-card h2 { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.75rem; }
.article-card p { color: var(--color-muted); font-size: 0.9rem; }
.article-skeleton { background: #e5e7eb; border-radius: var(--radius); height: 120px; animation: pulse 1.5s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Language toggle */
.lang-toggle { display: flex; gap: 0.5rem; justify-content: center; margin-bottom: 1.5rem; }
.lang-btn { padding: 0.375rem 1rem; border: 1px solid var(--color-border); border-radius: 100px; background: transparent; cursor: pointer; font-size: 0.875rem; min-height: 44px; min-width: 44px; }
.lang-btn.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }

/* CTA buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0.75rem 1.5rem; border-radius: var(--radius); font-size: 1rem; font-weight: 600; cursor: pointer; border: none; text-decoration: none; transition: background 0.15s, transform 0.1s; width: 100%; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-secondary:hover { background: #eff6ff; }
.btn + .btn { margin-top: 0.75rem; }

/* Form */
.form-card { background: #f9fafb; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; }
.form-field { margin-bottom: 1rem; }
.form-field label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.375rem; }
.form-field input[type="email"], .form-field input[type="text"] { width: 100%; padding: 0.625rem 0.75rem; border: 1px solid var(--color-border); border-radius: 6px; font-size: 1rem; min-height: 44px; }
.form-field input:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.radio-group { display: flex; gap: 1.5rem; }
.radio-label { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; min-height: 44px; }
.radio-label input[type="radio"] { width: 18px; height: 18px; cursor: pointer; accent-color: var(--color-primary); }
.checkbox-label { display: flex; align-items: flex-start; gap: 0.75rem; cursor: pointer; font-size: 0.875rem; color: var(--color-muted); }
.checkbox-label input[type="checkbox"] { width: 18px; height: 18px; min-width: 18px; margin-top: 2px; cursor: pointer; accent-color: var(--color-primary); }
.checkbox-label a { color: var(--color-primary); }

/* Status messages */
.status-success { background: var(--color-success-bg); color: var(--color-success-text); border-radius: var(--radius); padding: 1rem; text-align: center; }
.status-error { background: var(--color-error-bg); color: var(--color-error-text); border-radius: var(--radius); padding: 0.75rem 1rem; font-size: 0.875rem; margin-bottom: 0.75rem; }

/* Sections */
.section { padding: 2rem 0; }
.section-title { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.5rem; }
.section-subtitle { color: var(--color-muted); font-size: 0.875rem; margin-bottom: 1.5rem; }

footer { border-top: 1px solid var(--color-border); padding: 1.5rem 0; text-align: center; color: var(--color-muted); font-size: 0.8rem; }

@media (min-width: 480px) { .btn { width: auto; min-width: 200px; } .btn + .btn { margin-top: 0; margin-left: 0.75rem; } .cta-group { display: flex; flex-direction: row; justify-content: center; } }