/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --secondary: #14b8a6;
  --bg: #f0fdfa;
  --surface: #ffffff;
  --text: #134e4a;
  --text-muted: #5eead4;
  --border: #99f6e4;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --radius-sm: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  background: var(--surface);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.5rem;
}

.logo svg {
  width: 42px;
  height: 42px;
  color: var(--primary);
}

.nav {
  display: flex;
  gap: 36px;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
  position: relative;
}

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

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s;
}

.nav a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.mobile-menu-btn:hover {
  background: var(--bg);
}

.mobile-menu-btn svg {
  width: 28px;
  height: 28px;
  color: var(--text);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  background: var(--surface);
  padding: 20px;
  box-shadow: var(--shadow-lg);
  z-index: 99;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 14px 0;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  font-size: 1rem;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

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

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 120px 0 140px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 40px;
  opacity: 0.95;
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  background: white;
  color: var(--primary);
  border: none;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-lg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.cta-btn:active {
  transform: translateY(0);
}

/* Secondary button for non-affiliate actions */
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  background: white;
  color: var(--primary);
  border: none;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-lg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
}

.secondary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.secondary-btn:active {
  transform: translateY(0);
}

/* Sections */
.section-alt {
  background: var(--surface);
  padding: 100px 0;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--text);
  max-width: 700px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

/* Features Grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.feature-card {
  background: var(--bg);
  padding: 40px 32px;
  border-radius: var(--radius);
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--border);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.feature-icon svg {
  width: 100%;
  height: 100%;
  color: white;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-card p {
  color: var(--text);
  line-height: 1.7;
  font-size: 1rem;
}

/* How It Works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

.step {
  text-align: center;
}

.step-number {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.step p {
  color: var(--text);
  line-height: 1.7;
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.blog-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card-content {
  padding: 28px;
}

.blog-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
  line-height: 1.4;
}

.blog-card p {
  color: var(--text);
  line-height: 1.7;
  font-size: 0.95rem;
}

.read-more {
  display: inline-block;
  margin-top: 16px;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.read-more:hover {
  text-decoration: underline;
}

/* Article */
.article-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
  font-size: 1.05rem;
}

.article-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 48px 0 20px;
  color: var(--text);
}

.article-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 36px 0 16px;
  color: var(--text);
}

.article-content p {
  margin-bottom: 24px;
  color: var(--text);
}

.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
  color: var(--text);
}

.article-content li {
  margin-bottom: 12px;
}

.article-content strong {
  color: var(--text);
  font-weight: 600;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 32px;
}

.back-link:hover {
  text-decoration: underline;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}

.faq-question:hover {
  background: var(--bg);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary);
  transition: transform 0.2s;
}

.faq-question.active::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text);
  line-height: 1.7;
}

.faq-answer.active {
  padding: 0 24px 24px;
  max-height: 500px;
}

/* Forms */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--surface);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

/* Footer */
footer {
  background: var(--text);
  color: white;
  padding: 60px 0 30px;
  margin-top: 100px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: white;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 12px;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 80px 0;
  text-align: center;
  margin-bottom: 60px;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.125rem;
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto;
}

/* Content Sections */
.content-section {
  padding: 60px 0;
}

/* Safety Tips List */
.safety-list {
  list-style: none;
  max-width: 800px;
  margin: 0 auto;
}

.safety-list li {
  background: var(--surface);
  padding: 24px;
  margin-bottom: 16px;
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow);
  line-height: 1.7;
}

.safety-list strong {
  color: var(--text);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .cta-floating {
    position: static;
    margin-top: 40px;
    display: inline-flex;
  }
}

/* Utility classes (replacing inline styles) */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-50 { margin-top: 50px; }
.mt-60 { margin-top: 60px; }
.mt-40 { margin-top: 40px; }
.my-60 { margin-top: 60px; margin-bottom: 60px; }
.my-40 { margin-top: 40px; margin-bottom: 40px; }
.mb-40 { margin-bottom: 40px; }
.mb-50 { margin-bottom: 50px; }
.mb-32 { margin-bottom: 32px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.constrain-800 { max-width: 800px; }
.constrain-700 { max-width: 700px; }
.constrain-600 { max-width: 600px; }
.fw-600 { font-weight: 600; }

.text-primary { color: var(--primary); }

.quote {
  font-style: italic;
  margin-bottom: 16px;
}
.author {
  font-weight: 600;
  color: var(--text);
}
.feature-card--left {
  text-align: left;
}
.btn-block {
  width: 100%;
}
.separator {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.related-list {
  margin-top: 12px;
}
.article-title {
  font-size: 2.25rem;
  line-height: 1.2;
  margin-bottom: 24px;
}
.article-meta {
  color: var(--text);
  margin-bottom: 32px;
}
.article-cta {
  text-align: center;
  margin: 40px 0;
}
.story-title {
  color: var(--primary);
  margin-bottom: 8px;
}

/* Fix for safety-list items using divs */
.safety-list .safety-list-item {
  background: var(--surface);
  padding: 24px;
  margin-bottom: 16px;
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow);
  line-height: 1.7;
}

footer p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  line-height: 1.6;
}

.mb-24 { margin-bottom: 24px; }