:root {
  --primary: #FF6F00;
  --accent: #00BFA6;
  --text: #333;
  --light: #666;
  --bg: #fff;
  --shadow: 0 8px 24px rgba(0,0,0,.08);
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background: var(--bg);
}

/* HEADER */
header {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  background: #fff;
  border-bottom: 1px solid #eee;
  box-shadow: var(--shadow);
  z-index: 100;
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  line-height: 1.1;
}
.logo .k { color: var(--primary); }
.logo .j { color: var(--accent); }
.logo .m { color: #E53935; }
.logo .sukses { color: var(--text); font-weight: 700; }
.logo .sub { font-size: 0.7rem; color: var(--light); letter-spacing: 1px; }

/* NAV */
nav a {
  text-decoration: none;
  color: var(--text);
  margin-left: 20px;
  font-weight: 500;
  transition: .2s;
}
nav a:hover { color: var(--accent); }

/* HERO */
.hero {
  text-align: center;
  padding: 100px 20px 60px;
  background: linear-gradient(135deg, rgba(0,191,166,0.1), rgba(255,111,0,0.05));
}
.hero h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 3vw + 1rem, 3rem);
  color: var(--primary);
}
.hero h2 { color: var(--accent); margin-bottom: 10px; }
.hero p { color: var(--light); max-width: 600px; margin: 0 auto 25px; }
.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: all .3s ease;
}
.btn:hover { background: var(--accent); }

/* ABOUT */
.about { padding: 60px 20px; max-width: 900px; margin: auto; text-align: center; }
.about h2 { color: var(--primary); }

/* FEATURES */
.features {
  background: #fafafa;
  padding: 80px 20px;
  text-align: center;
}
.features h2 { color: var(--accent); margin-bottom: 40px; }
.features .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: auto;
}
.card {
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: .3s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,.12); }
.card h3 { color: var(--primary); margin-bottom: 8px; }

/* CONTACT */
.contact {
  padding: 80px 20px;
  text-align: center;
}
.contact h2 { color: var(--accent); margin-bottom: 20px; }
.contact a { color: var(--primary); text-decoration: none; }
.wa-btn {
  display: inline-block;
  background: #25D366;
  color: #fff;
  padding: 12px 24px;
  border-radius: 999px;
  margin-top: 15px;
  font-weight: 600;
  text-decoration: none;
}
.wa-btn:hover { background: #1ebe57; }

/* FOOTER */
footer {
  text-align: center;
  padding: 40px 20px;
  background: #f2f2f2;
  color: var(--light);
  border-top: 1px solid #e5e5e5;
}
footer a { color: var(--accent); text-decoration: none; }