:root {
  --background: #f6f6f6;
  --foreground: #0f0f0f;
  --primary: #c22727;
  --primary-foreground: #ffffff;
  --muted: #6b7280;
  --highlight: #ffe8b3;
  --border: #e5e7eb;
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.12), 0 15px 15px -10px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --font-serif: 'Merriweather', serif;
  --font-sans: 'Inter', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  background: var(--background);
  color: var(--foreground);
  line-height: 1.8;
}

.page {
  min-height: 100vh;
  background: var(--background);
}

.announcement {
  background: #111827;
  color: #fff;
  text-align: center;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
}

.content {
  background: #fff;
  max-width: 768px;
  margin: 3rem auto;
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border-radius: 0.75rem;
}

@media (min-width: 900px) {
  .content {
    padding: 4rem;
  }
}

p {
  margin: 0 0 1rem;
}

.preheadline {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  font-weight: 700;
  font-family: var(--font-sans);
}

.headline {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.headline span {
  display: block;
  color: var(--primary);
}

.hook {
  font-size: 1.2rem;
  color: #374151;
  border-left: 4px solid var(--primary);
  padding-left: 1.5rem;
  font-style: italic;
  margin-bottom: 2rem;
}

.authors {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  overflow: hidden;
  background: #e5e7eb;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.avatar:hover {
  transform: scale(1.1);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author .name {
  margin: 0;
  font-weight: 700;
  font-size: 0.95rem;
  font-family: var(--font-sans);
}

.author .role {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.linkedin-link {
  color: #0A66C2;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: opacity 0.2s ease;
}

.linkedin-link:hover {
  opacity: 0.7;
}

.author .meta {
  margin: 0.25rem 0 0;
  color: #9ca3af;
  font-size: 0.75rem;
  font-family: var(--font-sans);
}

.calendar-block {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.calendar-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #111827;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.calendar-icon:hover {
  transform: scale(1.1);
}

.calendar-icon svg {
  width: 48px;
  height: 48px;
}

.calendar-block .name {
  font-family: var(--font-sans);
  font-weight: 700;
  margin: 0 0 0.2rem;
}

.calendar-block .role,
.calendar-block .meta {
  font-family: var(--font-sans);
  margin: 0;
  color: #6b7280;
}

.calendar-block .meta {
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.body-copy h2,
.body-copy h3 {
  font-family: var(--font-sans);
  margin: 2.5rem 0 1rem;
  font-size: 1.8rem;
}

.body-copy h3 {
  font-size: 1.2rem;
  margin-top: 1.5rem;
}

.body-copy ul {
  margin: 0 0 2rem;
  padding-left: 1.5rem;
}

.body-copy li {
  margin-bottom: 0.6rem;
}

.body-copy .bold {
  font-weight: 700;
}

.highlight {
  background: var(--highlight);
  padding: 0.1rem 0.3rem;
}

.modules {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.module {
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
  padding: 1.5rem;
  border-left: 4px solid #111827;
}

.module h4 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-family: var(--font-sans);
}

.module p {
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.module ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.module li {
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  position: relative;
  padding-left: 1.75rem;
}

.module li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 1.2rem;
  height: 1.2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23059669'%3E%3Cpath fill-rule='evenodd' d='M2.25 12c0-5.385 4.365-9.75 9.75-9.75s9.75 4.365 9.75 9.75-4.365 9.75-9.75 9.75S2.25 17.385 2.25 12zm13.36-1.814a.75.75 0 10-1.22-.872l-3.236 4.53L9.53 12.22a.75.75 0 00-1.06 1.06l2.25 2.25a.75.75 0 001.14-.094l3.75-5.25z' clip-rule='evenodd' /%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.module-accent {
  border-color: var(--primary);
}

.offer {
  border: 2px dashed var(--border);
  border-radius: 1rem;
  text-align: center;
  padding: 2.5rem 2rem;
  margin-top: 2rem;
  margin-bottom: 2.5rem;
}

.offer h3 {
  font-family: var(--font-sans);
  margin: 0 0 0.75rem;
}

.offer p {
  color: #4b5563;
  margin-bottom: 1rem;
}

.offer .price {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-sans);
  color: var(--foreground);
}

.offer .price span {
  font-size: 1.2rem;
  color: #9ca3af;
  text-decoration: line-through;
  font-weight: 400;
  margin-left: 0.5rem;
}

.offer .promotion {
  color: var(--primary);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  font-weight: 700;
  font-family: var(--font-sans);
}

.cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 320px;
  margin: 1.5rem auto 0;
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cta:hover {
  background-color: #9d1b1b;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 20px -5px rgba(194, 39, 39, 0.5);
}

.offer .guarantee {
  font-size: 0.75rem;
  color: #6b7280;
  margin-top: 1.5rem;
}

.offer .team {
  font-size: 0.9rem;
  color: #111827;
}

.offer .team a {
  color: var(--primary);
  text-decoration: none;
  font-family: var(--font-sans);
}

.offer .team a:hover {
  text-decoration: underline;
}

.not-convinced {
  text-align: center;
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
}

.not-convinced h2 {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  margin: 0 0 0.25rem;
  color: var(--foreground);
}

.not-convinced-subtitle {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.video-wrapper {
  position: relative;
  display: block;
  width: 100%;
  max-width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 0.75rem;
  box-shadow: 0 20px 45px -5px rgba(0, 0, 0, 0.25), 0 10px 25px -5px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-wrapper:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.35), 0 15px 30px -10px rgba(0, 0, 0, 0.20);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 0.75rem;
}

.video-thumbnail {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.75rem;
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  opacity: 0.85;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.video-wrapper:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.1);
}

.ps {
  margin-top: 2rem;
}

.ps .signature {
  font-family: 'Caveat', cursive;
  font-size: 2.5rem;
  margin-top: 1rem;
}

.site-footer {
  background: #f3f4f6;
  padding: 3rem 1rem;
  text-align: center;
  font-family: var(--font-sans);
}

.footer-inner {
  max-width: 768px;
  margin: 0 auto;
}

.footer-links {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  font-size: 0.9rem;
  color: #9ca3af;
}

.footer-links a {
  color: inherit;
  text-decoration: none;
  font-family: var(--font-sans);
}

.footer-links a:hover {
  color: #4b5563;
}

@media (max-width: 640px) {
  .content {
    margin: 1.5rem;
    padding: 2rem 1.5rem;
  }

  .cta {
    width: 100%;
  }
}

.trusted-us {
  padding: 1rem 0 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.trusted-us h2 {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  margin: 1rem 0 2rem;
  color: var(--foreground);
}

.trusted-us .logos-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.trusted-us .logos-container img {
  height: 69px;
  width: auto;
  opacity: 0.7;
  filter: grayscale(100%);
  transition: all 0.3s ease;
}

.trusted-us .logos-container img:hover {
  opacity: 1;
  filter: grayscale(0%);
}