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

body{
  font-family: Arial, sans-serif;
  background:#f5f6f9;
  color:#333;
  line-height:1.6;
}

/* =========================
   CONTAINER
========================= */
.container{
  max-width:1100px;
  margin:auto;
  padding:0 15px;
}

/* =========================
   HEADER
========================= */
.header{
  position:sticky;
  top:0;
  background:#fff;
  z-index:1000;
  transition:0.3s;
  border-bottom:1px solid #eee;
}

.header.scrolled{
  box-shadow:0 4px 15px rgba(0,0,0,0.1);
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  height:60px;
}

/* LOGO */
.logo img{
  height:42px;
  transition:0.3s;
}

.logo img:hover{
  transform:scale(1.08) rotate(-2deg);
}

/* MENU */
.menu{
  display:flex;
  align-items:center;
}

.menu a{
  margin-left:15px;
  text-decoration:none;
  color:#333;
  font-weight:500;
  transition:0.3s;
}

.menu a:hover{
  color:#0b7a55;
}

/* HAMBURGER */
.hamburger{
  display:none;
  font-size:26px;
  cursor:pointer;
}

/* =========================
   HERO SECTION
========================= */
.hero{
  padding:60px 0;
  text-align:center;
  background:#f4fdf6;
}

.hero h1{
  font-size:32px;
  margin-bottom:10px;
}

.hero p{
  color:#555;
  margin-bottom:15px;
  font-size:16px;
}

/* =========================
   SECTIONS
========================= */
.section{
  padding:45px 0;
}

.section h2{
  text-align:center;
  margin-bottom:25px;
  font-size:26px;
  color:#0b3d2e;
}

/* =========================
   FEATURES GRID
========================= */
.features{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:15px;
}

.card{
  background:#fff;
  padding:15px;
  border-radius:10px;
  text-align:center;
  box-shadow:0 3px 10px rgba(0,0,0,0.05);
  transition:0.3s;
}

.card:hover{
  transform:translateY(-5px);
}

/* =========================
   PRICING
========================= */
.pricing{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:15px;
}

.plan{
  background:#fff;
  padding:20px;
  text-align:center;
  border-radius:10px;
  box-shadow:0 3px 10px rgba(0,0,0,0.05);
  transition:0.3s;
}

.plan:hover{
  transform:translateY(-5px);
}

.plan.highlight{
  border:2px solid #0b7a55;
}

.price{
  font-size:22px;
  color:#0b7a55;
  margin-top:10px;
}

/* =========================
   BUTTON
========================= */
.btn{
  display:inline-block;
  padding:10px 18px;
  background:#0b7a55;
  color:#fff;
  text-decoration:none;
  border-radius:6px;
  transition:0.3s;
}

.btn:hover{
  background:#095c40;
}

/* =========================
   FOOTER
========================= */
.footer{
  background:#222;
  color:#fff;
  text-align:center;
  padding:15px 0;
  margin-top:20px;
}

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

  .hamburger{
    display:block;
  }

  .menu{
    display:none;
    position:absolute;
    top:60px;
    left:0;
    width:100%;
    background:#fff;
    flex-direction:column;
    border-top:1px solid #eee;
  }

  .menu.active{
    display:flex;
  }

  .menu a{
    padding:12px 20px;
    margin:0;
    border-bottom:1px solid #f2f2f2;
  }

  .hero h1{
    font-size:24px;
  }
}

<style>
:root{
  --primary: <?= themeColor() ?>;
}

.btn, .plan.highlight{
  background: var(--primary);
  border-color: var(--primary);
}
</style>