:root {
  --primary: #1877F2;
  --primary-dark: #0f5fc7;
  --primary-soft: rgba(24, 119, 242, 0.10);

  --success: #0aa15a;
  --success-soft: #effcf4;

  --danger: #b42318;
  --danger-soft: #fff2f0;

  --warning: #f59e0b;
  --warning-soft: #fffbeb;

  --dark: #061b16;
  --muted: #60736c;
  --bg: #f5f9ff;
  --white: #ffffff;
  --line: #dbe7f5;

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 22px;

  --shadow: 0 18px 50px rgba(24, 119, 242, 0.10);
}

/* Reset */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  background: linear-gradient(180deg, #f8fbff, #f3f8ff);
  color: var(--dark);
}

a {
  text-decoration: none;
  color: inherit;
}

/* Header */
.topbar {
  height: 76px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(22px, calc((100vw - 1080px) / 2));
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 900;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

nav {
  display: flex;
  gap: 22px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
}

.nav-btn {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--dark);
}

/* Layout */
main {
  max-width: 780px;
  margin: auto;
}

.hero {
  text-align: center;
  padding: 58px 16px 34px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 999px;
  padding: 8px 13px;
  font-size: 13px;
  color: var(--muted);
}

.pill span,
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}

h1 {
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.05;
  margin: 28px 0 16px;
  letter-spacing: -2px;
}

h1 span {
  color: var(--primary);
}

.sub {
  max-width: 620px;
  margin: 0 auto 34px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

/* Cards */
.checker-card,
.panel,
.disclaimer,
.seo-section {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.checker-card {
  text-align: left;
  padding: 24px;
  max-width: 690px;
  margin: 0 auto;
}

.checker-card label,
.lead-form label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 10px;
}

/* Form */
.search-row {
  display: grid;
  grid-template-columns: 1fr 170px;
  gap: 14px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fbfdff;
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 16px;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}

button {
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--white);
  font-weight: 900;
  font-size: 15px;
  cursor: pointer;
  padding: 15px 18px;
}

button:hover {
  background: var(--primary-dark);
}

.checker-card small {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 14px;
  color: var(--muted);
}

/* Disclaimer */
.disclaimer {
  margin: 26px auto 16px;
  text-align: left;
  max-width: 690px;
  padding: 20px;
  color: #536861;
  line-height: 1.65;
}

/* Result */
.result-card {
  max-width: 690px;
  margin: 16px auto;
  display: flex;
  gap: 18px;
  text-align: left;
  border: 2px solid;
  border-radius: 20px;
  padding: 22px;
  background: var(--white);
}

.result-card .icon {
  min-width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--white);
  font-weight: 900;
  font-size: 22px;
}

.safe {
  border-color: var(--success);
  background: var(--success-soft);
}

.safe .icon {
  background: var(--success);
}

.danger {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.danger .icon,
.warning .icon {
  background: var(--danger);
}

.warning {
  border-color: var(--warning);
  background: var(--warning-soft);
}

.result-card h2 {
  margin: 0 0 8px;
  font-size: 24px;
}

.result-card p {
  margin: 0;
  color: #52645e;
  line-height: 1.6;
}

.mini-table {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 8px 14px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.mini-table span {
  color: var(--muted);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 690px;
  margin: 30px auto;
}

.stats div {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px;
}

.stats strong {
  display: block;
  color: var(--primary);
  font-size: 30px;
}

.stats span {
  font-size: 13px;
  color: var(--muted);
}

/* Content */
.content-grid {
  padding: 20px 16px 42px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
}

.panel {
  text-align: left;
  padding: 28px;
}

.kicker {
  color: var(--primary);
  font-weight: 900;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.panel h2 {
  font-size: 30px;
  line-height: 1.15;
  margin: 12px 0;
}

.panel p,
.panel li,
.seo-section p {
  color: var(--muted);
  line-height: 1.7;
}

/* Lead Form */
.lead-form h3 {
  margin-top: 0;
  font-size: 24px;
}

.lead-form label {
  margin-top: 13px;
}

.lead-form textarea {
  min-height: 95px;
  resize: vertical;
}

.lead-form button {
  width: 100%;
  margin-top: 16px;
}

/* Alert */
.alert {
  max-width: 690px;
  margin: 16px auto;
  padding: 14px 18px;
  border-radius: 14px;
}

.success {
  background: #ecfdf3;
  border: 1px solid #b7ebc6;
  color: #067647;
}

/* SEO Section */
.seo-section {
  margin: 10px 16px 54px;
  padding: 30px;
  text-align: left;
}

.seo-section h2 {
  font-size: 30px;
  margin: 0 0 12px;
}

.faq {
  background: #f6faff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  margin-top: 18px;
}

/* Footer */
footer {
  text-align: center;
  border-top: 1px solid var(--line);
  padding: 30px 16px;
  color: var(--muted);
  font-size: 13px;
}

/* Mobile */
@media (max-width: 720px) {
  .topbar {
    height: auto;
    padding: 14px 16px;
    align-items: flex-start;
  }

  .topbar nav {
    display: none;
  }

  main {
    max-width: 100%;
  }

  .hero {
    padding-top: 38px;
  }

  h1 {
    letter-spacing: -1px;
  }

  .search-row,
  .stats,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .checker-card,
  .disclaimer,
  .result-card {
    border-radius: var(--radius-md);
  }

  .result-card {
    padding: 18px;
  }

  .mini-table {
    grid-template-columns: 1fr;
  }

  .panel h2,
  .seo-section h2 {
    font-size: 25px;
  }
}

.audit-selected {
  border-color: #ff0000;
  background: #fffbfa;
}

.audit-selected .icon {
  background: #ff0000;
}

.audit-selected h2 {
  color: #2b1500;
}

.result-body {
  width: 100%;
}

.source-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 12px 0 18px;
  padding: 8px 12px;
  background: #fffaf2;
  border: 1px solid #ffd49a;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #2b1500;
}

.source-pill span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff8a00;
}

.audit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 8px;
}

.audit-grid div {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid #ffe0b3;
  border-radius: 12px;
  padding: 14px 16px;
}

.audit-grid small {
  display: block;
  font-size: 12px;
  color: #6d5a40;
  margin-bottom: 7px;
  letter-spacing: .03em;
}

.audit-grid strong {
  display: block;
  color: #000;
  font-size: 15px;
}

@media (max-width: 720px) {
  .audit-grid {
    grid-template-columns: 1fr;
  }
}