:root {
  /* Menggunakan Corporate Blue dan Red Accent */
  --primary: #2323FF; 
  --primary-dark: #1A1ACC;
  --secondary: #1e293b;
  --accent: #e63946; 
  --dark: #0f172a;
  --light-bg: #f8fafc;
  --text-main: #334155;
  --text-muted: #64748b;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --radius: 12px;
}

body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  background: var(--light-bg);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.container { max-width: 1200px; margin: auto; padding: 0 20px; }
.center { text-align: center; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 32px; color: var(--dark); margin-bottom: 10px; font-weight: 800; }

/* NAVBAR */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  z-index: 1000;
  transition: 0.3s ease;
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }
.nav-wrap { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo img { height: 45px; }
nav { display: flex; gap: 30px; align-items: center; }
nav a { text-decoration: none; color: var(--dark); font-weight: 600; font-size: 15px; transition: 0.3s; }
nav a:hover { color: var(--primary); }
.btn-nav { background: var(--primary); color: white !important; padding: 10px 24px; border-radius: 8px; }
.btn-nav:hover { background: var(--primary-dark); }
.mobile-toggle { display: none; font-size: 24px; cursor: pointer; }

/* HERO */
.hero {
  background: var(--dark);
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  color: white; padding: 180px 0 120px 0; position: relative;
}
.hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjAiIGhlaWdodD0iMjAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGNpcmNsZSBjeD0iMiIgY3k9IjIiIHI9IjEiIGZpbGw9InJnYmEoMjU1LDI1NSwyNTUsMC4wNSkiLz48L3N2Zz4=');
}
.hero-wrap { display: flex; justify-content: space-between; align-items: center; gap: 40px; position: relative; z-index: 2; }
.hero-text { flex: 1.2; }
.badge { background: rgba(255,255,255,0.1); padding: 8px 16px; border-radius: 30px; font-size: 13px; font-weight: 700; letter-spacing: 1px; color: #cbd5e1; border: 1px solid rgba(255,255,255,0.2); }
.hero-text h1 { font-size: 56px; line-height: 1.1; margin: 24px 0; font-weight: 800; letter-spacing: -1px; }
.hero-text p { font-size: 18px; color: #94a3b8; margin-bottom: 30px; max-width: 90%; }

/* HERO CARD */
.hero-card {
  background: white; color: var(--dark); padding: 40px; border-radius: 16px; width: 340px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5); position: relative;
}
.card-badge { position: absolute; top: -15px; right: -15px; background: var(--accent); color: white; padding: 8px 20px; border-radius: 30px; font-weight: 700; font-size: 14px; box-shadow: 0 4px 10px rgba(230, 57, 70, 0.4); }
.hero-card h3 { margin: 0; color: var(--text-muted); font-size: 16px; }
.speed { font-size: 54px; font-weight: 800; color: var(--primary); margin: 5px 0 10px; line-height: 1; letter-spacing: -2px;}
.speed span { font-size: 20px; color: var(--text-muted); letter-spacing: normal;}
.hero-card .price { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 20px; }
.hero-card hr { border: none; border-top: 1px dashed #cbd5e1; margin: 25px 0; }
.features-list { list-style: none; padding: 0; margin: 0 0 30px 0; font-size: 15px; font-weight: 500; }
.features-list li { margin-bottom: 12px; }

/* BUTTONS */
.btn { padding: 14px 28px; border-radius: 8px; text-decoration: none; font-weight: 600; display: inline-block; transition: 0.3s; cursor: pointer; text-align: center; border: none; }
.btn.primary { background: var(--primary); color: white; box-shadow: 0 4px 15px rgba(35, 35, 255, 0.3); }
.btn.primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(35, 35, 255, 0.4); }
.btn.outline-white { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.4); }
.btn.outline-white:hover { border-color: white; background: rgba(255,255,255,0.1); }
.btn.outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn.outline:hover { background: var(--primary); color: white; }
.btn.full { width: 100%; box-sizing: border-box; }

/* COVERAGE SECTION */
.coverage { padding: 80px 0; background: white; }
.coverage-form { display: flex; max-width: 600px; margin: 30px auto 10px; gap: 10px; }
.coverage-form input { flex: 1; padding: 16px 20px; border: 1px solid #cbd5e1; border-radius: 8px; font-size: 16px; font-family: 'Inter', sans-serif; outline: none; transition: 0.3s; }
.coverage-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(35,35,255,0.1); }
.result-text { font-weight: 600; min-height: 24px; color: var(--primary); }

/* PAKET */
.paket { padding: 100px 0; }
.grid { display: flex; gap: 30px; }
.card { flex: 1; background: white; padding: 50px 30px; border-radius: 16px; text-align: center; border: 1px solid #e2e8f0; transition: 0.4s; position: relative; }
.card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); border-color: transparent; }
.speed-title { font-size: 48px; font-weight: 800; color: var(--dark); margin: 10px 0; letter-spacing: -1px;}
.card .price { font-size: 24px; font-weight: 700; color: var(--primary); margin-bottom: 20px; }
.card .desc { font-size: 15px; color: var(--text-muted); margin-bottom: 30px; }

.highlight { background: var(--primary); border: none; transform: scale(1.05); box-shadow: var(--shadow-lg); color: white; }
.highlight:hover { transform: scale(1.05) translateY(-5px); }
.highlight h3, .highlight .speed-title, .highlight .price, .highlight .desc { color: white; }
.popular-tag { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--accent); color: white; padding: 6px 20px; border-radius: 20px; font-size: 13px; font-weight: 700; letter-spacing: 1px; }

/* FAQ ACCORDION */
.faq { padding: 40px 20px 100px; max-width: 800px; margin: auto; }
.faq-item { border-bottom: 1px solid #e2e8f0; margin-bottom: 10px; }
.faq-question { width: 100%; background: none; border: none; text-align: left; padding: 20px 0; font-size: 18px; font-weight: 600; color: var(--dark); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: 'Inter', sans-serif;}
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer p { margin: 0 0 20px 0; color: var(--text-muted); }
.faq-question.active .icon { transform: rotate(45deg); transition: 0.3s; color: var(--accent); }

/* FLOATING WA */
.floating-wa { position: fixed; bottom: 30px; right: 30px; background: #25d366; width: 60px; height: 60px; border-radius: 50%; display: flex; justify-content: center; align-items: center; box-shadow: 0 10px 20px rgba(37, 211, 102, 0.4); z-index: 9999; transition: 0.3s; }
.floating-wa:hover { transform: scale(1.1); }

/* FOOTER */
footer { background: var(--dark); color: #94a3b8; padding: 40px 0; text-align: center; }

/* RESPONSIVE */
@media (max-width: 992px) {
  .hero-wrap { flex-direction: column; text-align: center; }
  .hero-text p { margin: 0 auto 30px; }
  .grid { flex-direction: column; }
  .highlight { transform: scale(1); }
  .highlight:hover { transform: translateY(-5px); }
}
@media (max-width: 768px) {
  nav { display: none; }
  .mobile-toggle { display: block; }
  .hero-text h1 { font-size: 40px; }
  .coverage-form { flex-direction: column; }
}