:root {
  --brand: #667eea;
  --brand2: #764ba2;
  --accent: #ff6b6b;
  --text: #333;
  --muted: #6b7280;
}

* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  color: var(--text);
  line-height: 1.6;
  background: #f9f9f9;
}

header {
  background: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, .08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
  padding: 14px 0;
  justify-content: center;
  margin: 0;
}

nav a {
  text-decoration: none;
  color: #111;
  font-weight: 600;
}

nav a:hover {
  color: var(--brand);
}

.breadcrumb {
  padding: 15px 0;
  margin: 0;
  background: none;
  font-size: 14px;
  display: flex;
  justify-content: center;
}

.breadcrumb ol {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb li:not(:last-child)::after {
  content: ">";
  margin: 0 8px;
  color: var(--muted);
  font-size: 16px;
}

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

.breadcrumb a:hover {
  color: var(--brand2);
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.hero {
  display: grid;
  place-items: center;
  text-align: center;
  padding: 74px 20px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #fff;
}

.hero h1 {
  font-size: 2.8rem;
  margin: .2rem 0 .6rem;
}

.hero p {
  font-size: 1.15rem;
  margin: 0 auto 1rem;
  max-width: 720px;
  opacity: .95;
}

.btn {
  background: var(--accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: 28px;
  display: inline-block;
  margin: 8px 6px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-weight: 700;
}

.btn:hover {
  background: #ff5252;
}

.btn-secondary {
  background: #111;
}

.btn-secondary:hover {
  background: #000;
}

.main-tool {
  background: #fff;
  padding: 28px;
  border-radius: 14px;
  margin: 40px auto;
  max-width: 880px;
  box-shadow: 0 8px 26px rgba(0, 0, 0, .08);
}

textarea, input, select {
  width: 100%;
  padding: 12px;
  margin-bottom: 14px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  font-size: 16px;
}

label {
  display: flex;
  gap: 8px;
  align-items: center;
  color: #111;
  font-size: .95rem;
  margin: 4px 0 8px;
}

.muted {
  color: var(--muted);
  font-size: .92rem;
}

.tool-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.results {
  display: none;
  margin-top: 18px;
  background: #f3f4f6;
  padding: 18px;
  border-radius: 10px;
}

.group-card {
  background: #fff;
  border-left: 4px solid var(--brand);
  padding: 12px 12px;
  margin: 10px 0;
  border-radius: 10px;
}

.group-card h4 {
  margin: .2rem 0 .4rem;
}

.group-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.ad-slot {
  margin: 26px 0;
  text-align: center;
  background: #eee;
  padding: 18px;
  border-radius: 10px;
}

.section {
  padding: 56px 20px;
  background: #fff;
  margin: 40px 0;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin: 0 0 28px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: #f8f8f8;
  padding: 20px;
  border-radius: 14px;
  text-align: center;
  transition: .25s;
}

.card:hover {
  transform: translateY(-4px);
}

.card a {
  display: inline-block;
  margin-top: 10px;
  color: var(--brand);
  text-decoration: none;
  font-weight: 700;
}

.faq-item {
  margin-bottom: 14px;
}

footer {
  background: #111;
  color: #fff;
  text-align: center;
  padding: 30px 20px;
}

footer a {
  color: #fff;
  margin: 0 10px;
  text-decoration: none;
}

.share-wrap {
  text-align: center;
  margin-top: 14px;
  display: none;
}

.share-wrap .btn {
  padding: 10px 14px;
}

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