/* =========================
   RESET & BASE
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: #1f2937;
  background: #ffffff;
  line-height: 1.6;
}

/* =========================
   CONTAINER
========================= */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

/* =========================
   HEADER
========================= */
.header {
  border-bottom: 1px solid #e5e7eb;
  background: #ffffff;
}

.header .brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header .logo {
  width: 38px;
  height: 38px;
  background: #137333;
  color: #ffffff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.header .brand-name {
  font-size: 20px;
  font-weight: 600;
}

/* =========================
   HERO SECTION
========================= */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}

.hero-text h1 {
  font-size: 36px;
  line-height: 1.2;
  margin-bottom: 14px;
}

.hero-text p {
  color: #4b5563;
  margin-bottom: 20px;
}

.hero-image img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: 16px;
}

/* CTA */
.cta-btn {
  display: inline-block;
  padding: 12px 26px;
  background: #137333;
  color: #ffffff;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

/* =========================
   FEATURES / TRUST
========================= */
.features {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: #f9faf9;
  border-radius: 14px;
  padding: 20px;
}

.feature-card h3 {
  margin-top: 10px;
  font-size: 16px;
}

/* =========================
   BUY / PACKS
========================= */
.buy-section {
  margin-top: 70px;
  text-align: center;
}

.buy-section h2 {
  font-size: 28px;
}

.buy-subtitle {
  color: #6b7280;
  margin: 10px 0 30px;
}

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

.pack-card {
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 24px;
  background: #ffffff;
}

.pack-card h3 {
  font-size: 22px;
}

.price {
  font-size: 26px;
  font-weight: 700;
  color: #137333;
  margin: 10px 0;
}

.pack-card button {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  border: none;
  background: #137333;
  color: #ffffff;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}

/* Highlighted pack */
.pack-card.highlight {
  border: 2px solid #137333;
  position: relative;
}

.pack-card .popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #137333;
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
}

/* =========================
   FOOTER
========================= */
.footer {
  margin-top: 80px;
  border-top: 1px solid #e5e7eb;
  padding: 30px 0;
  background: #fafafa;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  font-size: 14px;
}

.footer strong {
  display: block;
  margin-bottom: 6px;
}

/* =========================
   MOBILE
========================= */
@media (max-width: 768px) {

  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .features {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero-text h1 {
    font-size: 28px;
  }
}