.app-page {
  background:
    radial-gradient(circle at top left, rgba(34, 197, 94, 0.05), transparent 20%),
    radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.04), transparent 20%),
    #f8fafc;
  overflow: hidden;
}

.section-space {
  padding: 90px 0;
}

.section-space-sm {
  padding: 20px 0 90px;
}

/* Hero */
.app-hero {
  padding-top: 70px;
  padding-bottom: 50px;
}

.app-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
}

.app-hero-image {
  position: relative;
}

.app-image-frame {
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.08);
  padding: 12px;
}

.app-image-frame img {
  width: 100%;
  display: block;
  height: 560px;
  object-fit: cover;
  border-radius: 20px;
}

.app-mini-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  margin-bottom: 16px;
}

.app-main-title,
.app-section-title {
  font-size: clamp(1.5rem, 3.8vw, 2.6rem);
  line-height: 1.08;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -1.1px;
  margin-bottom: 16px;
}

.app-main-title span,
.app-section-title span {
  color: var(--primary-color);
}

.app-main-text,
.app-section-head p {
  font-size: 0.98rem;
  line-height: 1.9;
  color: #475569;
  margin-bottom: 16px;
}

.app-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.app-text-link {
  color: #16a34a;
  font-size: 0.95rem;
  font-weight: 700;
  transition: var(--transition);
}

.app-text-link:hover {
  color: #15803d;
  transform: translateX(4px);
}

/* Section head */
.app-section-head {
  max-width: 820px;
  margin: 0 auto 42px;
  text-align: center;
}

/* Features */
.app-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.app-feature-card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.05);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
  overflow: hidden;
}

.app-feature-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), #4ade80, #86efac);
}

.app-feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 44px rgba(15, 23, 42, 0.08);
  border-color: rgba(34, 197, 94, 0.16);
}

.app-feature-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.app-feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.14), rgba(74, 222, 128, 0.24));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.app-feature-label {
  font-size: 0.84rem;
  color: #16a34a;
  font-weight: 700;
  background: rgba(34, 197, 94, 0.08);
  padding: 8px 12px;
  border-radius: 999px;
}

.app-feature-card h3 {
  font-size: 1.2rem;
  color: #0f172a;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.35;
}

.app-feature-card p {
  font-size: 0.95rem;
  color: #64748b;
  line-height: 1.8;
  margin-bottom: 22px;
}

.app-card-btn {
  width: 100%;
  padding: 14px 20px;
  border-radius: 14px;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Reveal animation */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-up.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1200px) {
  .app-main-title,
  .app-section-title {
    font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  }

  .app-image-frame img {
    height: 500px;
  }
}

@media (max-width: 992px) {
  .app-hero-grid,
  .app-feature-grid {
    grid-template-columns: 1fr;
  }

  .app-image-frame img {
    height: 420px;
  }
}

@media (max-width: 768px) {
  .section-space {
    padding: 70px 0;
  }

  .section-space-sm {
    padding: 10px 0 70px;
  }

  .app-hero {
    padding-top: 50px;
    padding-bottom: 30px;
  }

  .app-main-title,
  .app-section-title {
    font-size: 1.8rem;
    line-height: 1.15;
  }

  .app-main-text,
  .app-section-head p,
  .app-feature-card p {
    font-size: 0.92rem;
  }

  .app-image-frame,
  .app-feature-card {
    border-radius: 20px;
    padding: 18px;
  }

  .app-image-frame img {
    height: 320px;
    border-radius: 14px;
  }

  .app-feature-card h3 {
    font-size: 1.08rem;
  }

  .app-feature-icon {
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
  }

  .app-hero-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .app-main-title,
  .app-section-title {
    font-size: 1.55rem;
  }

  .app-mini-tag {
    font-size: 0.72rem;
  }

  .app-feature-label {
    font-size: 0.76rem;
  }
}