/* ============================================
   LASER TOOLS — Shared Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

/* --- Tokens --- */
:root {
  --bg:          #F8F8F6;
  --bg-card:     #EEEDE9;
  --bg-dark:     #1A1A1A;
  --text:        #1A1A1A;
  --text-muted:  #6B6B6B;
  --text-light:  #F8F8F6;
  --orange:      #E8560A;
  --orange-light:#FEF0E8;
  --blue:        #2563A8;
  --blue-light:  #EBF2FB;
  --amber:       #D97706;
  --amber-light: #FFFBEB;
  --green:       #16A34A;
  --green-light: #F0FDF4;
  --red:         #DC2626;
  --red-light:   #FEF2F2;
  --border:      #DDDCD8;
  --radius:      8px;
  --radius-lg:   14px;
  --shadow:      0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.10);
  --font-head:   'Space Grotesk', sans-serif;
  --font-body:   'Inter', sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Nav --- */
.site-nav {
  background: var(--bg-dark);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-nav .nav-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-light);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-nav .nav-logo span {
  color: var(--orange);
}
.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  color: #AAAAAA;
  font-size: 0.85rem;
  font-family: var(--font-body);
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover {
  color: var(--text-light);
  background: rgba(255,255,255,0.08);
  text-decoration: none;
}
.nav-links a.active {
  color: var(--orange);
}
.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #AAAAAA;
  cursor: pointer;
  font-size: 1.4rem;
  padding: 4px;
}

/* --- Laser beam animation (homepage hero only) --- */
.laser-beam {
  height: 2px;
  background: var(--orange);
  width: 0;
  animation: beam 1s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}
@keyframes beam {
  to { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .laser-beam { animation: none; width: 100%; }
}

/* --- Hero --- */
.hero {
  padding: 64px 24px 56px;
  max-width: 820px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 8px;
}
.hero .disclaimer-small {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
  padding: 10px 14px;
  background: var(--bg-card);
  border-left: 3px solid var(--border);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* --- Tool Cards Grid --- */
.tools-grid {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
}
.tool-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
}
.tool-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
}
.tool-card-icon {
  font-size: 1.6rem;
  margin-bottom: 4px;
}
.tool-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.tool-card h2 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.3;
}
.tool-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.tool-card .card-cta {
  margin-top: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 4px;
}
.tool-card:hover .card-cta { gap: 8px; }
.tool-card.featured {
  border-color: var(--orange);
  border-width: 2px;
}

/* --- Page Layout (tool pages) --- */
.page-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.page-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 10px;
}
.page-wrap h1 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 14px;
}
.page-intro {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 32px;
  line-height: 1.65;
}

/* --- Tool Form Card --- */
.tool-form-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group.full-width {
  grid-column: 1 / -1;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}
.form-group select,
.form-group input[type="text"],
.form-group input[type="number"] {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6B6B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.form-group input[type="text"],
.form-group input[type="number"] {
  background-image: none;
  padding-right: 14px;
  cursor: text;
}
.form-group select:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 168, 0.12);
}
.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Submit Button --- */
.btn-check {
  background: var(--orange);
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: 13px 28px;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  letter-spacing: -0.01em;
}
.btn-check:hover { background: #CF4A06; }
.btn-check:active { transform: scale(0.98); }

/* --- Result Panel --- */
.result-panel {
  display: none;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.result-panel.visible { display: block; }
.result-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.result-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge-good    { background: var(--green-light);  color: var(--green); }
.badge-possible{ background: var(--blue-light);   color: var(--blue);  }
.badge-difficult{ background: var(--amber-light); color: var(--amber); }
.badge-caution { background: var(--amber-light);  color: var(--amber); }
.badge-not-recommended { background: #FEF0E8; color: var(--orange); }
.badge-unsafe  { background: var(--red-light);    color: var(--red);   }

.result-header-text h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.result-header-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.result-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.result-section h4 {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.result-section p {
  font-size: 0.92rem;
  line-height: 1.6;
}

/* --- Callout boxes --- */
.callout {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  line-height: 1.55;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.callout-icon { flex-shrink: 0; font-size: 1rem; }
.callout.warning {
  background: var(--amber-light);
  border: 1px solid #FDE68A;
  color: #92400E;
}
.callout.danger {
  background: var(--red-light);
  border: 1px solid #FECACA;
  color: #991B1B;
}
.callout.info {
  background: var(--blue-light);
  border: 1px solid #BFDBFE;
  color: #1E40AF;
}
.callout.tip {
  background: var(--green-light);
  border: 1px solid #BBF7D0;
  color: #166534;
}

/* --- Related links --- */
.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  transition: background 0.15s, border-color 0.15s;
}
.related-link:hover {
  background: var(--orange-light);
  border-color: var(--orange);
  color: var(--orange);
  text-decoration: none;
}

/* --- FAQ --- */
.faq-section {
  margin-top: 48px;
}
.faq-section h2 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-q {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  user-select: none;
}
.faq-q::after {
  content: '+';
  color: var(--text-muted);
  font-size: 1.2rem;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  display: none;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  padding-top: 10px;
}
.faq-item.open .faq-a { display: block; }

/* --- Site-wide disclaimer bar --- */
.site-disclaimer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

/* --- Footer --- */
.site-footer {
  background: var(--bg-dark);
  color: #888;
  padding: 40px 24px;
  font-size: 0.82rem;
  text-align: center;
}
.site-footer .footer-inner {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}
.site-footer .footer-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: white;
}
.site-footer .footer-logo span { color: var(--orange); }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.footer-links a { color: #888; transition: color 0.15s; }
.footer-links a:hover { color: white; text-decoration: none; }

/* --- Ad slot placeholders --- */
.ad-slot {
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 24px 0;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    padding: 12px 16px 20px;
    border-bottom: 1px solid #333;
  }
  .site-nav { position: relative; }
  .result-header { flex-direction: column; }
  .tool-form-card { padding: 20px; }
}