:root {
  --primary: #6c38eb;
  --primary-hover: #5826d4;
  --primary-light: #f4f0ff;
  --primary-border: #ded2f9;
  --tag-bg: #ece6ff;
  --text: #111827;
  --text-muted: #4b5563;
  --text-dim: #6b7280;
  --bg: #ffffff;
  --border: #e5e7eb;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 24px;
}

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

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  object-fit: cover;
}

.brand span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 15px;
}

.nav-links a:hover {
  color: var(--primary);
}

/* Hero */
.hero {
  padding: 48px 0 24px;
  background: #fff;
}

.hero-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 36px;
}

@media (max-width: 860px) {
  .hero-layout {
    flex-direction: column-reverse;
    text-align: center;
  }
}

.hero-text {
  flex: 1;
}

.hero-title {
  font-size: 60px;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -1px;
  color: #111827;
  margin-bottom: 16px;
}

.hero-title .accent {
  color: var(--primary);
  display: block;
}

.hero-tagline {
  font-size: 19px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}

.hero-subtagline {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 14px;
}

@media (max-width: 860px) {
  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  padding: 13px 26px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(108, 56, 235, 0.35);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline {
  background: #fff;
  color: var(--primary);
  font-weight: 600;
  font-size: 16px;
  padding: 13px 26px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--primary-border);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.btn-outline:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.hero-icon {
  width: 240px;
  height: 240px;
  flex-shrink: 0;
  border-radius: 40px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
  object-fit: cover;
}

@media (max-width: 600px) {
  .hero-icon {
    width: 180px;
    height: 180px;
    border-radius: 30px;
  }
  .hero-title {
    font-size: 44px;
  }
}

/* Stats Bar */
.stats-bar {
  background: #0d1117;
  color: #fff;
  border-radius: 14px;
  padding: 18px 28px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  align-items: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    padding: 16px;
  }
}

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

.stat-icon {
  color: #a78bfa;
  font-size: 20px;
  display: flex;
  align-items: center;
}

.stat-info h4 {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.stat-info p {
  font-size: 12px;
  color: #9ca3af;
  margin-top: 2px;
}

.seo-line {
  margin-top: 24px;
  padding: 0 6px;
}

.seo-line h2 {
  font-size: 15px;
  font-weight: 800;
  color: #111827;
  margin-bottom: 4px;
}

.seo-line p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Content Columns */
.content-section {
  padding: 48px 0;
  background: #fff;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

.section-h2 {
  font-size: 26px;
  font-weight: 800;
  color: #111827;
  margin-bottom: 18px;
}

.section-p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 18px;
}

.accordions {
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.acc-card {
  border: 1.5px solid var(--primary-border);
  background: #fbf9ff;
  border-radius: 10px;
  overflow: hidden;
}

.acc-btn {
  width: 100%;
  padding: 14px 18px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
  font-size: 15px;
  font-weight: 700;
  color: #1f2937;
}

.acc-label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #1f2937;
}

.acc-label svg {
  color: var(--primary);
  width: 18px;
  height: 18px;
}

.acc-arrow {
  color: var(--primary);
  font-size: 12px;
  transition: transform 0.2s ease;
}

.acc-card.active .acc-arrow {
  transform: rotate(180deg);
}

.acc-panel {
  display: none;
  padding: 0 18px 14px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.acc-card.active .acc-panel {
  display: block;
}

/* Specs Table */
.specs-block {
  margin-top: 24px;
}

.specs-block h3 {
  font-size: 21px;
  font-weight: 800;
  color: #111827;
  margin-bottom: 14px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  background: #fcfbfe;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #f0ecfc;
}

.specs-table tr {
  border-bottom: 1px solid #ede8fa;
}

.specs-table tr:last-child {
  border-bottom: none;
}

.specs-table td {
  padding: 14px 18px;
  font-size: 15px;
}

.specs-table td:first-child {
  font-weight: 700;
  color: #111827;
}

.specs-table td:last-child {
  text-align: right;
  font-weight: 600;
  color: #374151;
}

/* Lists */
.step-list {
  list-style: none;
  margin-bottom: 28px;
}

.step-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
}

.step-list li::before {
  content: "•";
  position: absolute;
  left: 4px;
  color: #6b7280;
  font-size: 18px;
  line-height: 1;
  top: 1px;
}

/* FAQ */
.faq-section {
  padding: 50px 0;
  background: #fff;
}

.faq-wrapper {
  max-width: 840px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #f0ecfc;
  box-shadow: 0 10px 35px rgba(108, 56, 235, 0.06);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: center;
}

.pill {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 5px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.faq-title {
  font-size: 34px;
  font-weight: 900;
  color: #111827;
  margin-bottom: 8px;
}

.faq-subtitle {
  color: var(--text-muted);
  font-size: 15.5px;
  margin-bottom: 36px;
}

.faq-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.faq-item {
  background: #fff;
  border: 1.5px solid var(--primary-border);
  border-radius: 12px;
  overflow: hidden;
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-trigger {
  width: 100%;
  padding: 16px 20px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: #111827;
}

.faq-trigger-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq-trigger-left svg {
  color: var(--primary);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.faq-panel {
  display: none;
  padding: 0 20px 18px 52px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

.faq-item.active .faq-panel {
  display: block;
}

.faq-item.active .acc-arrow {
  transform: rotate(180deg);
}

/* Alerts */
.alerts-wrap {
  max-width: 900px;
  margin: 0 auto 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.alert-red {
  background: #fffafa;
  border: 1px solid #fed7d7;
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 14px;
  color: #4a5568;
  line-height: 1.6;
}

.alert-red h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: #c53030;
  margin-bottom: 4px;
}

.alert-blue {
  background: #fbfaff;
  border: 1px solid #e2d9f3;
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 14px;
  color: #4a5568;
  line-height: 1.6;
}

.alert-blue h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

/* Reviews */
.reviews-section {
  padding: 48px 0;
  background: #f7f4ff;
  border-radius: var(--radius-lg);
  margin-bottom: 50px;
}

.reviews-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 36px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 860px) {
  .reviews-grid {
    grid-template-columns: 1fr;
  }
}

.review-card {
  background: #fff;
  border-radius: 16px;
  padding: 26px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars {
  color: #f59e0b;
  font-size: 18px;
  margin-bottom: 14px;
}

.review-text {
  font-size: 14.5px;
  color: #374151;
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 22px;
}

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

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar.purple { background: #7c3aed; }
.avatar.pink { background: #ec4899; }
.avatar.cyan { background: #06b6d4; }

.reviewer-meta h5 {
  font-size: 15px;
  font-weight: 800;
  color: #111827;
  margin-bottom: 2px;
}

.badge-verified {
  display: inline-block;
  background: #e6fcf5;
  color: #0ca678;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

/* Footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 36px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-muted);
  font-weight: 500;
}

.footer-nav a:hover {
  color: var(--primary);
}

/* Guides & Articles */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 32px 0 48px;
}

@media (max-width: 768px) {
  .guide-grid {
    grid-template-columns: 1fr;
  }
}

.guide-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.guide-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 10px 25px rgba(108, 56, 235, 0.08);
}

.guide-badge {
  display: inline-block;
  align-self: flex-start;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.guide-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 10px;
}

.guide-title a {
  color: inherit;
}

.guide-title a:hover {
  color: var(--primary);
}

.guide-desc {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.guide-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  font-weight: 600;
  border-top: 1px solid #f3f4f6;
  padding-top: 14px;
  margin-top: auto;
}

.guide-meta .read-more {
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-dim);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-muted);
}

.breadcrumbs a:hover {
  color: var(--primary);
}

.breadcrumbs span.separator {
  color: #cbd5e1;
}

/* In-article CTA Box */
.article-cta {
  background: linear-gradient(135deg, #fbfaff 0%, #f4f0ff 100%);
  border: 1.5px solid var(--primary-border);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  margin: 36px 0;
}

.article-cta h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.article-cta p {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 600px;
  margin: 0 auto 20px;
}