*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #1a5cff;
  --blue-dark: #1248d6;
  --blue-light: #eef2ff;
  --text: #1a1a1a;
  --text-soft: #555;
  --border: #e2e6ea;
  --bg: #ffffff;
  --bg-gray: #f7f8fa;
}

html { scroll-behavior: smooth; }
body { font-family: 'Plus Jakarta Sans', sans-serif; color: var(--text); background: #fff; }

/* NAV */
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 64px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: #fff; z-index: 99;
}
.logo { font-size: 1.25rem; font-weight: 700; color: var(--text); text-decoration: none; }
.logo b { color: var(--blue); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { font-size: .9rem; color: var(--text-soft); text-decoration: none; font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--blue); }
.nav-btn {
  background: var(--blue); color: #fff; border: none;
  padding: 9px 20px; border-radius: 7px; font-size: .88rem;
  font-weight: 600; cursor: pointer; text-decoration: none; font-family: inherit;
}
.nav-btn:hover { background: var(--blue-dark); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; border: none; background: none; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; display: block; }

#mobile-menu {
  display: none; flex-direction: column; gap: 14px;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 16px 5%;
}
#mobile-menu.open { display: flex; }
#mobile-menu a { font-size: .95rem; color: var(--text); text-decoration: none; font-weight: 500; }
#mobile-menu a:hover { color: var(--blue); }

/* BUTTONS */
.btn-blue {
  background: var(--blue); color: #fff; padding: 12px 26px;
  border-radius: 8px; font-size: .95rem; font-weight: 600;
  text-decoration: none; display: inline-block;
}
.btn-blue:hover { background: var(--blue-dark); }
.btn-outline {
  border: 1.5px solid var(--border); color: var(--text);
  padding: 12px 26px; border-radius: 8px; font-size: .95rem;
  font-weight: 600; text-decoration: none; display: inline-block;
}
.btn-outline:hover { border-color: #aaa; }

/* HERO */
.hero {
  padding: 80px 5% 72px;
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border);
}
.hero-inner { max-width: 620px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; line-height: 1.2; margin-bottom: 18px; }
.hero h1 span { color: var(--blue); }
.hero p { font-size: 1.05rem; color: var(--text-soft); line-height: 1.75; margin-bottom: 32px; max-width: 520px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-badges { margin-top: 40px; display: flex; gap: 32px; flex-wrap: wrap; }
.badge-item { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--text-soft); }
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; flex-shrink: 0; }

/* SECTION COMMON */
section { padding: 72px 5%; }
.section-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.section-sub { font-size: .95rem; color: var(--text-soft); line-height: 1.7; margin-bottom: 48px; max-width: 480px; }

/* PAGE HEADER (inner pages) */
.page-header {
  padding: 56px 5% 48px;
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 700; margin-bottom: 10px; }
.page-header p { font-size: .95rem; color: var(--text-soft); max-width: 460px; line-height: 1.7; }

/* FITUR */
.fitur-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
}
.fitur-item { padding: 28px 24px; background: #fff; }
.fitur-item:hover { background: var(--bg-gray); }
.fi-icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--blue-light); display: flex; align-items: center;
  justify-content: center; margin-bottom: 14px; font-size: 1.2rem;
}
.fitur-item h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.fitur-item p { font-size: .88rem; color: var(--text-soft); line-height: 1.65; }

/* PAKET */
.paket-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px; max-width: 900px;
}
.paket-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 12px; padding: 28px 24px;
}
.paket-card.featured { border-color: var(--blue); border-width: 2px; }
.paket-tag {
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--blue); background: var(--blue-light);
  padding: 3px 10px; border-radius: 4px; display: inline-block; margin-bottom: 16px;
}
.paket-name { font-size: .85rem; color: var(--text-soft); font-weight: 500; margin-bottom: 6px; }
.paket-speed { font-size: 2.4rem; font-weight: 700; color: var(--text); line-height: 1; }
.paket-speed span { font-size: 1rem; font-weight: 500; color: var(--text-soft); }
.paket-harga { font-size: 1.1rem; font-weight: 700; color: var(--blue); margin: 14px 0 20px; }
.paket-harga small { font-size: .8rem; font-weight: 400; color: var(--text-soft); }
.paket-list { list-style: none; margin-bottom: 24px; }
.paket-list li {
  font-size: .88rem; color: var(--text-soft); padding: 6px 0;
  border-bottom: 1px solid var(--bg-gray); display: flex; align-items: center; gap: 8px;
}
.paket-list li::before { content: "✓"; color: var(--blue); font-weight: 700; flex-shrink: 0; }
.paket-list li:last-child { border-bottom: none; }
.btn-paket {
  display: block; text-align: center; padding: 11px; border-radius: 7px;
  font-size: .9rem; font-weight: 600; text-decoration: none;
  border: 1.5px solid var(--border); color: var(--text);
}
.paket-card.featured .btn-paket { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-paket:hover { border-color: var(--blue); color: var(--blue); }
.paket-card.featured .btn-paket:hover { background: var(--blue-dark); color: #fff; }

/* CARA DAFTAR */
.daftar-steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px; counter-reset: step;
}
.daftar-step { counter-increment: step; }
.step-num {
  font-size: .78rem; font-weight: 700; color: var(--blue);
  text-transform: uppercase; letter-spacing: .5px; margin-bottom: 12px;
}
.step-num::before { content: counter(step, decimal-leading-zero) " "; }
.daftar-step h3 { font-size: .95rem; font-weight: 600; margin-bottom: 8px; }
.daftar-step p { font-size: .87rem; color: var(--text-soft); line-height: 1.65; }

/* KONTAK */
.kontak-wrap {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 56px; align-items: start; max-width: 860px;
}
.kontak-info h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 12px; }
.kontak-info p { font-size: .93rem; color: var(--text-soft); line-height: 1.7; margin-bottom: 28px; }
.info-row { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; }
.info-icon {
  width: 36px; height: 36px; border-radius: 7px;
  background: var(--blue-light); display: flex; align-items: center;
  justify-content: center; font-size: 1rem; flex-shrink: 0;
}
.info-row h5 { font-size: .78rem; color: var(--text-soft); margin-bottom: 2px; }
.info-row a, .info-row p { font-size: .9rem; color: var(--text); text-decoration: none; font-weight: 500; }
.info-row a:hover { color: var(--blue); }

/* FORM */
.kontak-form {
  background: #fff; border: 1px solid var(--border);
  border-radius: 12px; padding: 28px;
}
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: .83rem; font-weight: 600; margin-bottom: 6px; }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%; padding: 10px 13px; border: 1px solid var(--border);
  border-radius: 7px; font-size: .9rem; font-family: inherit;
  color: var(--text); background: #fff; outline: none;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus { border-color: var(--blue); }
.form-row textarea { resize: vertical; min-height: 90px; }
.form-row select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center;
}
.btn-submit {
  width: 100%; background: var(--blue); color: #fff; border: none;
  padding: 12px; border-radius: 8px; font-size: .95rem; font-weight: 700;
  cursor: pointer; font-family: inherit;
}
.btn-submit:hover { background: var(--blue-dark); }

/* ALERT */
.alert {
  padding: 14px 18px; border-radius: 8px; margin-bottom: 20px;
  font-size: .9rem; font-weight: 500;
}
.alert-success { background: #f0fdf4; border: 1px solid #86efac; color: #166534; }
.alert-error   { background: #fef2f2; border: 1px solid #fca5a5; color: #991b1b; }

/* FOOTER */
footer { background: var(--text); color: #ccc; padding: 48px 5% 28px; }
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
  border-bottom: 1px solid #333; padding-bottom: 36px; margin-bottom: 24px;
}
.footer-brand .logo { color: #fff; margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: .85rem; line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: .88rem; font-weight: 600; color: #fff; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a { font-size: .84rem; color: #aaa; text-decoration: none; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: .8rem; color: #666; }

/* WA FLOAT */
.wa-btn {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  width: 52px; height: 52px; border-radius: 50%;
  background: #25D366; display: flex; align-items: center; justify-content: center;
  text-decoration: none; box-shadow: 0 2px 12px rgba(0,0,0,.15);
}
.wa-btn:hover { background: #1ebe5d; }
.wa-btn svg { width: 26px; height: 26px; fill: #fff; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links, .nav-btn { display: none; }
  .hamburger { display: flex; }
  .kontak-wrap, .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .hero-badges { gap: 18px; }
}