:root {
  color-scheme: dark;
  color: #0f172a;
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 26%), radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.14), transparent 22%), #eff6ff;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  line-height: 1.75;
  background: #eff6ff;
}

.container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.hero {
  position: relative;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 45%, #8b5cf6 100%);
  color: white;
  padding: 100px 0 90px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -70px;
  right: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.45), transparent 60%);
  filter: blur(22px);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -30px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
}

.logo {
  margin-bottom: 28px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 26px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.18);
  border: 1px solid rgba(255,255,255,0.28);
}

.logo-main {
  display: block;
  font-size: 1.5rem;
  letter-spacing: 0.24em;
  font-weight: 900;
  text-transform: uppercase;
}

.logo-sub {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.92);
  text-transform: uppercase;
  opacity: 0.95;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(3rem, 5vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  max-width: 900px;
  margin-inline: auto;
}

.hero p {
  max-width: 760px;
  margin: 0 auto 30px;
  font-size: 1.18rem;
  color: rgba(255,255,255,0.95);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
  border: none;
  cursor: pointer;
  min-width: 170px;
}

.button:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 52px rgba(15, 23, 42, 0.2);
}

.primary {
  background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
  color: #ffffff;
}

.secondary {
  background: rgba(255,255,255,0.22);
  color: white;
  backdrop-filter: blur(10px);
}

.whatsapp {
  background: #22c55e;
  color: #111;
}

.trust-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  margin: 50px 0;
}

.trust-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 28px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
}

.trust-card h3 {
  margin-top: 0;
  color: #0f172a;
}

.trust-card p {
  color: #475569;
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 999px;
  background: #22c55e;
  color: #111;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 20px 40px rgba(37, 211, 102, 0.28);
}

.whatsapp-float:hover {
  transform: translateY(-2px);
}

.intro,
.product,
.list-section,
.testimonial-section {
  margin: 40px 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.testimonial-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 28px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.08);
}

.testimonial-card p {
  margin: 0 0 18px;
  color: #334155;
  line-height: 1.8;
}

.testimonial-card span {
  display: block;
  font-weight: 700;
  color: #0f172a;
}

.intro h2,
.product h2,
.list-section h2 {
  margin-top: 0;
  font-size: 2rem;
}

.intro p,
.product p,
.note {
  max-width: 780px;
  color: #334155;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  margin-top: 28px;
}

.feature-card {
  background: white;
  border-radius: 24px;
  padding: 28px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 90px rgba(15, 23, 42, 0.1);
}

.feature-card h3 {
  margin: 0 0 12px;
}

.product-card {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid rgba(96, 165, 250, 0.18);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.price {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 14px;
  color: #0f172a;
}

.upload-section {
  margin: 40px 0;
}

.upload-card {
  background: white;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
  display: grid;
  gap: 18px;
}

.file-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed rgba(17, 24, 39, 0.3);
  border-radius: 16px;
  padding: 18px;
  cursor: pointer;
  color: #334155;
  background: #f8fafc;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.product-card .file-label {
  display: block;
  margin: 18px 0 12px;
  width: 100%;
}

.file-label:hover {
  background: #eef2ff;
  border-color: #c7d2fe;
}

.upload-input {
  display: none;
}

.pdf-access-section {
  margin: 40px 0;
}

.pdf-access-card {
  background: white;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
  display: grid;
  gap: 18px;
}

.pdf-password-input {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 1rem;
}

.pdf-message {
  min-height: 24px;
  font-weight: 700;
}

.pdf-link-container.hidden {
  display: none;
}

.file-list {
  min-height: 48px;
  background: #f8fafc;
  border-radius: 16px;
  padding: 16px;
  color: #475569;
  font-size: 0.95rem;
}

.strategy-list {
  columns: 2;
  gap: 28px;
  padding-left: 0;
  margin: 24px 0 0;
}

.strategy-list li {
  margin-bottom: 14px;
  line-height: 1.55;
}

.footer {
  text-align: center;
  padding: 24px 0;
  border-top: 1px solid #e2e8f0;
  color: #475569;
}

@media (max-width: 768px) {
  .strategy-list {
    columns: 1;
  }
  .product-card {
    flex-direction: column;
    text-align: center;
  }
}