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

body {
  font-family: Inter, sans-serif;
  background: #fff;
  color: #000;
  max-width: 430px;
  margin: 0 auto;
}

h1, h2, h3 {
  font-family: Poppins, sans-serif;
}

/* =====================
   TOP NAV
===================== */
.nav {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #EFEFEF;
  height: 64px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}

.back {
  font-size: 20px;
  cursor: pointer;
}

.logo {
  font-family: Poppins;
  font-weight: 600;
  color: #702E3B;
  font-size: 16px;
}

.menu {
  font-size: 22px;
}

/* =====================
   HERO PRODUCT
===================== */
.hero {
  padding: 16px 20px 24px;
}

.hero img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.title {
  font-family: Poppins;
  font-size: 24px;
  margin-top: 16px;
  font-weight: 700;
}

.subtitle {
  font-size: 14px;
  color: #666;
  margin-top: 6px;
  line-height: 1.4;
}

/* =====================
   CTA ROW (TOP)
===================== */
.cta-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.btn {
  flex: 1;
  height: 52px;
  border-radius: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.primary {
  background: #702E3B;
  color: #fff;
}

.secondary {
  background: #fff;
  border: 1px solid #000;
}

/* =====================
   OVERVIEW
===================== */
.section {
  padding: 0 20px;
  margin-top: 24px;
}

.section h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.section p {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
}

/* =====================
   FEATURES
===================== */
.features {
  margin-top: 16px;
}

.feature-card {
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}

.feature-title {
  font-weight: 600;
  font-family: Poppins;
  font-size: 14px;
  margin-bottom: 4px;
}

.feature-desc {
  font-size: 12px;
  color: #666;
}

/* =====================
   SCREENSHOTS
===================== */
.gallery {
  display: flex;
  overflow-x: auto;
  gap: 12px;
  padding: 10px 20px;
  scroll-snap-type: x mandatory;
}

.gallery img {
  width: 260px;
  height: 180px;
  border-radius: 16px;
  object-fit: cover;
  flex-shrink: 0;
  scroll-snap-align: start;
}

/* =====================
   AUDIENCE
===================== */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.chip {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(112,46,59,0.1);
  color: #702E3B;
}

/* =====================
   PRICING
===================== */
.pricing {
  border: 1px solid #eee;
  border-radius: 18px;
  padding: 16px;
  margin-top: 10px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.05);
}

.price {
  font-size: 22px;
  font-weight: 700;
  font-family: Poppins;
  margin-bottom: 4px;
}

.price-sub {
  font-size: 12px;
  color: #666;
}

/* =====================
   BANNER CTA
===================== */
.banner {
  margin: 30px 20px;
  background: #702E3B;
  color: #fff;
  padding: 18px;
  border-radius: 18px;
  text-align: center;
}

.banner h2 {
  font-size: 16px;
  margin-bottom: 10px;
}

.banner .btn {
  background: #fff;
  color: #702E3B;
}

/* =====================
   FAQ
===================== */
.faq {
  margin-top: 16px;
}

.faq-item {
  border-bottom: 1px solid #eee;
  padding: 12px 0;
}

.faq-q {
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.faq-a {
  font-size: 12px;
  color: #666;
  margin-top: 6px;
  display: none;
}

/* =====================
   STICKY CTA
===================== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  background: #fff;
  border-top: 1px solid #eee;
  padding: 10px 16px;
  display: flex;
  gap: 10px;
}

.sticky-cta .btn {
  height: 54px;
}

/* =====================
   TABLET (768px+)
===================== */
@media (min-width: 768px) {
  body {
    max-width: 768px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .btn-row {
    flex-direction: row;
  }

  .btn {
    flex: 1;
  }

  .product img {
    height: 260px;
  }

  .section-title h2 {
    font-size: 26px;
  }
}

/* =====================
   DESKTOP (1024px+)
===================== */
@media (min-width: 1024px) {
  body {
    max-width: 1100px;
  }

  .hero {
    padding: 50px 40px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero p {
    font-size: 16px;
  }

  .btn-row {
    max-width: 520px;
    margin: 0 auto;
  }

  .strip {
    margin: 30px 40px;
  }

  .section-title {
    padding: 0 40px;
  }

  /* 2-column product layout on desktop */
  .product {
    width: calc(50% - 40px);
    display: inline-block;
    vertical-align: top;
    margin: 20px;
  }

  .product img {
    height: 240px;
  }

  .cta {
    padding: 60px 40px;
  }

  footer {
    font-size: 13px;
  }
}