* {
  box-sizing: border-box;
}


.kasi-header {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  padding: 18px 0;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.kasi-logo {
  color: #ff7a00;
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

.kasi-logo span {
  display: block;
  font-size: 13px;
  letter-spacing: 2px;
  color: #6f2d12;
}

.kasi-nav a {
  text-decoration: none;
  color: #333333;
  margin-left: 24px;
  font-weight: 600;
  transition: 0.3s;
}

.kasi-nav a:hover,
.kasi-nav .active {
  color: #ff7a00;
}

.kasi-btn {
  background: linear-gradient(135deg, #ff7a00, #ff9f43);
  color: #ffffff;
  border: none;
  padding: 12px 26px;
  border-radius: 40px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.3s;
  box-shadow: 0 10px 25px rgba(255,122,0,0.25);
}

.kasi-btn:hover {
  transform: translateY(-3px);
  color: #ffffff;
}

.kasi-hero {
  padding: 100px 0 70px;
  position: relative;
}

.kasi-hero::before {
  content: "";
  width: 500px;
  height: 500px;
  background: rgba(255,122,0,0.08);
  border-radius: 50%;
  position: absolute;
  top: -150px;
  right: -120px;
}

.kasi-tag {
  display: inline-block;
  background: rgba(255,122,0,0.1);
  color: #ff7a00;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 700;
  margin-bottom: 20px;
}

.kasi-hero-title {
  font-size: 62px;
  line-height: 1.1;
  font-weight: 900;
  color: #ff7a00;
  margin-bottom: 22px;
}

.kasi-hero-desc {
  font-size: 18px;
  color: #666666;
  line-height: 1.9;
  margin-bottom: 32px;
  max-width: 650px;
}

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

.kasi-hero-image img {
  width: 100%;
  border-radius: 36px;
  box-shadow: 0 18px 45px rgba(255,122,0,0.12);
}

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

.kasi-section-title {
  text-align: center;
  font-size: 40px;
  font-weight: 900;
  color: #6f2d12;
  margin-bottom: 14px;
}

.kasi-section-line {
  width: 80px;
  height: 4px;
  border-radius: 10px;
  background: #ff7a00;
  margin: auto auto 55px;
}

.kasi-card {
  background: #ffffff;
  border-radius: 30px;
  padding: 40px;
  height: 100%;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,122,0,0.1);
  box-shadow: 0 18px 45px rgba(255,122,0,0.12);
  transition: 0.4s;
}

.kasi-card:hover {
  transform: translateY(-10px);
}

.kasi-card::before {
  content: "";
  width: 120px;
  height: 120px;
  background: rgba(255,122,0,0.07);
  border-radius: 50%;
  position: absolute;
  top: -40px;
  right: -40px;
}

.kasi-icon {
  width: 70px;
  height: 70px;
  border-radius: 22px;
  background: linear-gradient(135deg, #ff7a00, #ffb347);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 32px;
  margin-bottom: 25px;
}

.kasi-card h3 {
  font-size: 28px;
  font-weight: 900;
  color: #6f2d12;
  margin-bottom: 16px;
}

.kasi-card p {
  line-height: 1.9;
  color: #666666;
  margin: 0;
}

.kasi-highlight {
  margin-top: 55px;
  background: linear-gradient(135deg, #fff7ef, #ffffff);
  border-radius: 34px;
  padding: 50px;
  box-shadow: 0 18px 45px rgba(255,122,0,0.12);
  position: relative;
  overflow: hidden;
}

.kasi-highlight::after {
  content: "KASI";
  position: absolute;
  bottom: -25px;
  right: 30px;
  font-size: 120px;
  font-weight: 900;
  color: rgba(255,122,0,0.06);
}

.kasi-highlight h3 {
  color: #ff7a00;
  font-size: 34px;
  font-weight: 900;
  margin-bottom: 18px;
}

.kasi-highlight p {
  line-height: 1.9;
  color: #666666;
  max-width: 850px;
}

.kasi-values-wrap {
  background: #ffffff;
  border-radius: 40px;
  padding: 50px;
  box-shadow: 0 18px 45px rgba(255,122,0,0.12);
}

.kasi-value-item {
  background: #fffaf6;
  border-radius: 26px;
  padding: 30px;
  height: 100%;
  transition: 0.35s;
  border: 1px solid rgba(255,122,0,0.08);
}

.kasi-value-item:hover {
  transform: translateY(-8px);
  background: #fff4e7;
}

.kasi-value-letter {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  background: #ff7a00;
  color: #ffffff;
  font-size: 30px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.kasi-value-item h4 {
  font-size: 24px;
  font-weight: 900;
  color: #6f2d12;
  margin-bottom: 12px;
}

.kasi-value-item p {
  margin: 0;
  color: #666666;
  line-height: 1.8;
}

.kasi-cta {
  margin-top: 80px;
  background: linear-gradient(135deg, #ff7a00, #d95f00);
  border-radius: 40px;
  padding: 60px;
  text-align: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(255,122,0,0.28);
}

.kasi-cta::before {
  content: "";
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  position: absolute;
  top: -100px;
  right: -70px;
}

.kasi-cta h2 {
  font-size: 42px;
  font-weight: 900;
  margin-bottom: 20px;
  position: relative;
}

.kasi-cta p {
  max-width: 760px;
  margin: auto auto 30px;
  line-height: 1.9;
  position: relative;
}

.kasi-btn-light {
  background: #ffffff;
  color: #ff7a00;
  text-decoration: none;
  padding: 14px 30px;
  border-radius: 35px;
  font-weight: 800;
  display: inline-block;
  position: relative;
}

.kasi-footer {
  background: #b94800;
  color: #ffffff;
  text-align: center;
  padding: 35px 0;
  margin-top: 80px;
}

@media(max-width:991px) {
  .kasi-hero-title {
    font-size: 44px;
  }

  .kasi-nav {
    margin-top: 20px;
  }

  .kasi-nav a {
    margin-left: 0;
    margin-right: 18px;
    display: inline-block;
    margin-bottom: 10px;
  }
}

@media(max-width:576px) {
  .kasi-hero {
    padding: 70px 0 50px;
  }

  .kasi-hero-title {
    font-size: 36px;
  }

  .kasi-section-title {
    font-size: 30px;
  }

  .kasi-card,
  .kasi-values-wrap,
  .kasi-highlight,
  .kasi-cta {
    padding: 28px;
  }

  .kasi-cta h2 {
    font-size: 30px;
  }
}