/* ============================================
   VIDEO STARTER KIT — Global Stylesheet
   Brand: Vista Blue #7C9ED9 | Ivory #F2EFDE | Soft Black #1A1A1A
   Font: Inter (Google Fonts)
   ============================================ */

/* --- CSS Variables --- */
:root {
  --blue: #7C9ED9;
  --blue-dark: #5a82c4;
  --ivory: #F2EFDE;
  --black: #1A1A1A;
  --yellow: #FEEDBA;
  --pink: #F4B4D4;
  --indigo: #4A59DD;
  --grey: #CFCDCC;
  --grey-light: #F5F5F4;
  --white: #FFFFFF;
  --max-width: 1140px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--indigo); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-dark); }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

p { margin-bottom: 1rem; }

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

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
}
.btn-primary {
  background: var(--blue);
  color: var(--black);
}
.btn-primary:hover {
  background: var(--blue-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-outline {
  background: transparent;
  border-color: var(--ivory);
  color: var(--ivory);
}
.btn-outline:hover {
  background: var(--ivory);
  color: var(--black);
}
.btn-dark {
  background: var(--black);
  color: var(--ivory);
}
.btn-dark:hover {
  background: #333;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-indigo {
  background: var(--indigo);
  color: var(--white);
}
.btn-indigo:hover {
  background: #3a49cc;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--black);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--ivory);
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--blue); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  color: rgba(242,239,222,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--ivory); }
.nav-links a.active { color: var(--blue); }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ivory);
  margin: 5px 0;
  transition: all var(--transition);
}

/* --- Hero Section --- */
.hero {
  background: var(--black);
  color: var(--ivory);
  padding: 140px 0 100px;
  text-align: center;
}
.hero .eyebrow {
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 {
  max-width: 800px;
  margin: 0 auto 20px;
}
.hero .subtitle {
  max-width: 640px;
  margin: 0 auto 36px;
  font-size: 1.15rem;
  color: rgba(242,239,222,0.8);
  line-height: 1.7;
}
.hero .btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero .credibility {
  font-size: 0.85rem;
  color: rgba(242,239,222,0.5);
}

/* --- Sections --- */
.section {
  padding: 80px 0;
}
.section-ivory { background: var(--ivory); }
.section-dark { background: var(--black); color: var(--ivory); }
.section-blue { background: var(--blue); color: var(--black); }
.section-white { background: var(--white); }
.section-grey { background: var(--grey-light); }

.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p {
  max-width: 640px;
  margin: 0 auto;
  color: rgba(26,26,26,0.7);
}
.section-dark .section-header p { color: rgba(242,239,222,0.7); }

/* --- Problem Section --- */
.problem-text {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.problem-text p { margin-bottom: 1.2rem; }

/* --- Before/After Comparison --- */
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}
.comparison-col {
  padding: 32px;
  border-radius: var(--radius-lg);
}
.comparison-col.before {
  background: var(--grey-light);
  border: 1px solid var(--grey);
}
.comparison-col.after {
  background: var(--black);
  color: var(--ivory);
}
.comparison-col h3 {
  margin-bottom: 20px;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}
.comparison-col.before h3 { color: #888; }
.comparison-col.after h3 { color: var(--blue); }
.comparison-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.comparison-col ul li {
  padding-left: 24px;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.5;
}
.comparison-col.before ul li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: #c44;
  font-weight: 700;
}
.comparison-col.after ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* --- Product Cards --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card h3 { margin-bottom: 8px; }
.card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--indigo);
  margin-bottom: 16px;
}
.card p { font-size: 0.95rem; color: rgba(26,26,26,0.75); }

/* --- Pricing Cards --- */
.pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}
.price-card {
  background: var(--white);
  border: 2px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.price-card.featured {
  border-color: var(--blue);
}
.price-card .badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: var(--black);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 16px;
  border-radius: 20px;
}
.price-card h3 { margin-bottom: 8px; }
.price-card .price {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--black);
}
.price-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}
.price-card ul li {
  padding: 8px 0;
  padding-left: 28px;
  position: relative;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.price-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}
.price-card .btn { width: 100%; }

/* --- Lead Magnet / CTA Section --- */
.cta-section {
  background: var(--blue);
  color: var(--black);
  padding: 80px 0;
  text-align: center;
}
.cta-section h2 { margin-bottom: 16px; }
.cta-section p {
  max-width: 600px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
}
.cta-section .form-inline {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 560px;
  margin: 0 auto 12px;
}
.cta-section .form-inline input {
  flex: 1;
  min-width: 180px;
  padding: 14px 18px;
  border: 2px solid rgba(0,0,0,0.1);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
}
.cta-section .form-inline input:focus {
  outline: none;
  border-color: var(--black);
}
.cta-section .small-text {
  font-size: 0.8rem;
  color: rgba(26,26,26,0.6);
  max-width: 480px;
  margin: 12px auto 0;
}

/* --- Testimonials --- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.testimonial {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.testimonial p {
  font-style: italic;
  font-size: 1.05rem;
  color: rgba(242,239,222,0.9);
  margin-bottom: 12px;
}
.testimonial .author {
  font-size: 0.85rem;
  color: var(--blue);
  font-style: normal;
  font-weight: 600;
}

/* --- About brief --- */
.about-brief {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}
.about-brief .about-img {
  background: var(--grey-light);
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #888;
}
.about-brief h2 { margin-bottom: 16px; }
.about-brief p { color: rgba(26,26,26,0.75); }

/* --- Blog Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.blog-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.blog-card .blog-thumb {
  background: var(--grey-light);
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-card .blog-thumb .category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--blue);
}
.blog-card .blog-body {
  padding: 24px;
}
.blog-card .blog-body h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}
.blog-card .blog-body h3 a {
  color: var(--black);
}
.blog-card .blog-body h3 a:hover {
  color: var(--indigo);
}
.blog-card .blog-body p {
  font-size: 0.9rem;
  color: rgba(26,26,26,0.65);
}
.blog-card .blog-body .read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--indigo);
}

/* --- Blog Post (single) --- */
.blog-post {
  max-width: 720px;
  margin: 0 auto;
  padding-top: 100px;
}
.blog-post .post-meta {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 8px;
}
.blog-post h1 {
  margin-bottom: 24px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}
.blog-post h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  font-size: 1.5rem;
}
.blog-post h3 {
  margin-top: 28px;
  margin-bottom: 12px;
  font-size: 1.2rem;
}
.blog-post p { font-size: 1.05rem; line-height: 1.8; }
.blog-post ul, .blog-post ol {
  margin: 16px 0 16px 24px;
  font-size: 1.05rem;
  line-height: 1.8;
}
.blog-post li { margin-bottom: 8px; }
.blog-post strong { font-weight: 600; }
.blog-post .post-cta {
  background: var(--blue);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin: 48px 0;
}
.blog-post .post-cta h3 { margin-bottom: 12px; }
.blog-post .post-cta p { margin-bottom: 20px; font-size: 1rem; }

/* --- Contact Form --- */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
}
.contact-form .form-group {
  margin-bottom: 20px;
}
.contact-form label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--grey);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue);
}
.contact-form textarea { min-height: 140px; resize: vertical; }

/* --- Footer --- */
.footer {
  background: var(--black);
  color: rgba(242,239,222,0.7);
  padding: 60px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.footer h4 {
  color: var(--ivory);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer .footer-brand p { font-size: 0.9rem; margin-bottom: 12px; }
.footer .footer-links { list-style: none; }
.footer .footer-links li { margin-bottom: 8px; }
.footer .footer-links a {
  color: rgba(242,239,222,0.6);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer .footer-links a:hover { color: var(--ivory); }
.footer-bar {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding: 20px 24px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(242,239,222,0.4);
}

/* --- Guarantee --- */
.guarantee {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: 40px;
  border: 2px dashed var(--grey);
  border-radius: var(--radius-lg);
}
.guarantee h3 { margin-bottom: 12px; }

/* --- FAQ --- */
.faq { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.08);
  padding: 20px 0;
}
.faq-item summary {
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--blue);
  transition: transform var(--transition);
}
.faq-item[open] summary::after {
  content: '−';
}
.faq-item p {
  margin-top: 12px;
  color: rgba(26,26,26,0.7);
  font-size: 0.95rem;
}

/* --- Who This Is For --- */
.personas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.persona {
  padding: 28px;
  background: var(--grey-light);
  border-radius: var(--radius-lg);
}
.persona h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--indigo); }
.persona p { font-size: 0.95rem; color: rgba(26,26,26,0.7); }

/* --- Credentials list --- */
.credentials {
  list-style: none;
  max-width: 640px;
  margin: 24px auto 0;
}
.credentials li {
  padding: 8px 0 8px 28px;
  position: relative;
  font-size: 1rem;
}
.credentials li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* --- Stats bar --- */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 20px 0;
}
.stat { text-align: center; }
.stat .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
}
.stat .label {
  font-size: 0.85rem;
  color: rgba(26,26,26,0.6);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--black);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-toggle { display: block; }

  .hero { padding: 120px 0 60px; }
  .section { padding: 60px 0; }
  .comparison { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; }
  .personas { grid-template-columns: 1fr; }
  .about-brief { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .stats-bar { gap: 24px; }
  .cta-section .form-inline { flex-direction: column; }
}