/* ============================================================
   PT ETHER DATA NETWORK — Design System
   Palette: deep signal-navy background, electric cyan→blue
   gradient accent, amber for "live" indicators only.
   Type: Space Grotesk (display) / Inter (body) / JetBrains Mono (data)
   ============================================================ */

:root{
  --bg:            #0A0E17;
  --bg-soft:       #0D1220;
  --surface:       #131A29;
  --surface-hi:    #1A2336;
  --border:        rgba(255,255,255,0.08);
  --border-hi:     rgba(255,255,255,0.16);

  --text-1:        #EDF2F9;
  --text-2:        #9AA8BD;
  --text-3:        #5C697E;

  --cyan:          #2DD9F0;
  --blue:          #3B7DF6;
  --amber:         #FFB020;
  --grad:          linear-gradient(135deg, var(--cyan), var(--blue));

  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     22px;

  --container:     1180px;

  --shadow-glow:   0 0 0 1px rgba(45,217,240,0.15), 0 20px 60px -20px rgba(45,217,240,0.25);
  --ease:          cubic-bezier(.19,1,.22,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html,body{ margin:0; padding:0; }

body{
  background: var(--bg);
  color: var(--text-1);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* faint ambient signal-grid backdrop across the whole site */
body::before{
  content:"";
  position: fixed; inset:0;
  background-image:
    radial-gradient(circle at 15% 8%, rgba(45,217,240,0.08), transparent 40%),
    radial-gradient(circle at 85% 92%, rgba(59,125,246,0.10), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

h1,h2,h3,h4{
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  color: var(--text-1);
}
h1{ font-size: clamp(2.4rem, 5vw, 4.2rem); line-height: 1.05; letter-spacing: -0.03em; }
h2{ font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.15; }
h3{ font-size: 1.25rem; }
p{ margin: 0 0 1em; color: var(--text-2); }
a{ color: inherit; text-decoration: none; }

.mono{ font-family: 'JetBrains Mono', monospace; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'JetBrains Mono', monospace;
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.eyebrow::before{
  content:""; width:6px; height:6px; border-radius:50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(45,217,240,0.18);
}

section{ position: relative; z-index: 1; padding: 96px 0; }
@media (max-width: 720px){ section{ padding: 64px 0; } }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600; font-size: .95rem;
  cursor: pointer; border: 1px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--grad);
  color: #05131A;
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn-ghost{
  background: transparent;
  border-color: var(--border-hi);
  color: var(--text-1);
}
.btn-ghost:hover{ border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn-wa{
  background: var(--surface-hi);
  color: var(--text-1);
  border-color: var(--border-hi);
}
.btn-wa:hover{ border-color: #25D366; color:#25D366; transform: translateY(-2px); }
.btn-block{ width: 100%; }

/* ---------- Navbar ---------- */
.navbar{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  backdrop-filter: blur(14px) saturate(140%);
  background: rgba(10,14,23,0.72);
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}
.nav-inner{
  display:flex; align-items:center; justify-content: space-between;
  padding: 16px 24px; max-width: var(--container); margin:0 auto;
}
.logo{
  display:flex; align-items:baseline; gap:6px;
  font-family:'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.28rem;
  color: var(--text-1);
}
.logo span{ color: var(--cyan); }
.logo small{
  font-family:'JetBrains Mono', monospace; font-weight:400;
  font-size: .55rem; letter-spacing:.18em; color: var(--text-3);
  text-transform: uppercase; margin-left:2px; align-self:center;
}
.nav-links{ display:flex; align-items:center; gap: 34px; list-style:none; margin:0; padding:0; }
.nav-links a{
  font-size: .92rem; color: var(--text-2); font-weight:500;
  position: relative; padding: 4px 0;
  transition: color .25s;
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:-2px; height:2px; width:0;
  background: var(--grad); transition: width .3s var(--ease);
}
.nav-links a:hover, .nav-links a.active{ color: var(--text-1); }
.nav-links a:hover::after, .nav-links a.active::after{ width:100%; }
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; }

@media (max-width: 860px){
  .nav-links{
    position: fixed; top:64px; left:0; right:0; bottom:0;
    background: var(--bg-soft);
    flex-direction: column; align-items: flex-start; gap: 6px;
    padding: 24px; border-top: 1px solid var(--border);
    transform: translateX(100%); transition: transform .4s var(--ease);
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-links a{ width:100%; padding: 14px 6px; font-size: 1.05rem; border-bottom:1px solid var(--border); }
  .nav-cta .btn-ghost{ display:none; }
  .nav-toggle{
    display:flex; flex-direction:column; justify-content:center; gap:5px;
    width: 36px; height: 32px; background:none; border:none; cursor:pointer; z-index: 101;
  }
  .nav-toggle span{ width:100%; height:2px; background: var(--text-1); transition: all .3s; }
  .nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity:0; }
  .nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: 168px 0 100px;
  overflow: hidden;
  min-height: 92vh;
  display:flex; align-items:center;
}
#ether-canvas{
  position:absolute; inset:0; width:100%; height:100%; z-index:0;
  opacity: .55;
}
.hero-inner{ position:relative; z-index:2; max-width: 720px; }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; margin-top: 34px; }
.hero-stats{
  display:flex; gap: 40px; margin-top: 64px; flex-wrap: wrap;
}
.hero-stats .stat b{
  display:block; font-family:'Space Grotesk', sans-serif; font-size: 1.9rem; color: var(--text-1);
}
.hero-stats .stat span{ font-size: .8rem; color: var(--text-3); text-transform:uppercase; letter-spacing:.06em; }

/* small page hero (non-home pages) */
.page-hero{
  padding: 152px 0 64px;
  text-align: left;
}
.page-hero p{ max-width: 620px; }

/* ---------- Cards / Grid ---------- */
.grid{ display:grid; gap: 24px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.grid-2{ grid-template-columns: 1fr 1fr; }
@media (max-width: 960px){ .grid-3, .grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px){ .grid-3, .grid-4, .grid-2{ grid-template-columns: 1fr; } }

.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform .4s var(--ease), border-color .4s, background .4s;
}
.card:hover{ transform: translateY(-4px); border-color: var(--border-hi); background: var(--surface-hi); }
.card .icon-wrap{
  width:48px; height:48px; border-radius: var(--radius-sm);
  background: rgba(45,217,240,0.10); border:1px solid rgba(45,217,240,0.25);
  display:flex; align-items:center; justify-content:center; margin-bottom: 20px;
  color: var(--cyan);
}
.card h3{ margin-bottom:8px; }
.card p{ margin-bottom:0; font-size:.94rem; }

/* ---------- Package cards ---------- */
.pkg-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  display:flex; flex-direction:column;
  position: relative;
  transition: transform .4s var(--ease), border-color .3s;
}
.pkg-card:hover{ transform: translateY(-6px); }
.pkg-card.featured{
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(45,217,240,0.07), var(--surface) 40%);
  box-shadow: var(--shadow-glow);
}
.pkg-badge{
  position:absolute; top:-13px; right:24px;
  background: var(--grad); color:#05131A;
  font-size:.68rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  padding: 5px 14px; border-radius: 999px;
}
.pkg-speed{
  font-family:'JetBrains Mono', monospace; font-weight:600;
  font-size: 2.6rem; color: var(--text-1); line-height:1;
  display:flex; align-items:baseline; gap:6px; margin: 10px 0 4px;
}
.pkg-speed span{ font-size:1rem; color: var(--text-3); font-weight:400; }
.pkg-name{ color: var(--text-3); font-size:.8rem; letter-spacing:.1em; text-transform:uppercase; }
.pkg-price{
  font-family:'Space Grotesk', sans-serif; font-size: 1.7rem; font-weight:700;
  margin: 18px 0 4px; color: var(--cyan);
}
.pkg-price span{ font-size: .85rem; color: var(--text-3); font-weight: 400; }
.pkg-features{ list-style:none; padding:0; margin: 22px 0 28px; flex:1; }
.pkg-features li{
  display:flex; align-items:flex-start; gap:10px;
  font-size: .9rem; color: var(--text-2); padding: 7px 0;
  border-top: 1px solid var(--border);
}
.pkg-features li:first-child{ border-top:none; }
.pkg-features li svg{ flex-shrink:0; margin-top:3px; color: var(--cyan); }

/* ---------- Misc sections ---------- */
.section-head{ max-width: 640px; margin-bottom: 52px; }
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:center; }
@media (max-width: 860px){ .split{ grid-template-columns:1fr; gap:36px; } }

.badge-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:20px; }
.badge{
  font-family:'JetBrains Mono', monospace; font-size:.72rem; letter-spacing:.04em;
  border: 1px solid var(--border-hi); border-radius:999px; padding: 6px 14px; color: var(--text-2);
}

.divider{ height:1px; background: var(--border); border:none; margin: 0; }

.cta-band{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
  position:relative; overflow:hidden;
}
.cta-band::after{
  content:""; position:absolute; right:-80px; top:-80px; width:260px; height:260px; border-radius:50%;
  background: radial-gradient(circle, rgba(45,217,240,0.16), transparent 70%);
}
.cta-band h2{ margin-bottom: 6px; }
.cta-band p{ margin-bottom:0; }

/* ---------- Timeline (Tentang Kami) ---------- */
.timeline{ position:relative; padding-left: 32px; border-left: 1px solid var(--border); }
.tl-item{ position:relative; padding-bottom: 44px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{
  content:""; position:absolute; left:-37px; top:2px; width:12px; height:12px; border-radius:50%;
  background: var(--bg); border: 2px solid var(--cyan); box-shadow: 0 0 0 4px rgba(45,217,240,0.12);
}
.tl-year{ font-family:'JetBrains Mono', monospace; color: var(--cyan); font-size:.82rem; margin-bottom:4px; display:block; }

/* ---------- Table (Kontak / Package FAQ) ---------- */
.faq-item{
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.faq-item summary{
  cursor:pointer; font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:1.02rem;
  color: var(--text-1); list-style:none; display:flex; justify-content:space-between; align-items:center;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; font-size:1.4rem; color: var(--cyan); transition: transform .3s; }
.faq-item[open] summary::after{ transform: rotate(45deg); }
.faq-item p{ margin-top:14px; margin-bottom:0; font-size:.94rem; }

/* ---------- Contact page ---------- */
.contact-grid{ display:grid; grid-template-columns: .9fr 1.1fr; gap: 48px; }
@media (max-width: 900px){ .contact-grid{ grid-template-columns: 1fr; } }
.info-row{ display:flex; gap:16px; padding: 18px 0; border-top:1px solid var(--border); }
.info-row:first-child{ border-top:none; }
.info-row .icon-wrap{ width:40px; height:40px; margin-bottom:0; flex-shrink:0; }
.info-row h4{ margin:0 0 4px; font-size:.95rem; }
.info-row p{ margin:0; font-size:.9rem; }

.form-field{ margin-bottom: 18px; }
.form-field label{ display:block; font-size:.82rem; color: var(--text-2); margin-bottom:7px; }
.form-field input, .form-field select, .form-field textarea{
  width:100%; background: var(--bg-soft); border:1px solid var(--border-hi); border-radius: var(--radius-sm);
  padding: 13px 14px; color: var(--text-1); font-family:'Inter',sans-serif; font-size:.94rem;
  transition: border-color .25s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none; border-color: var(--cyan);
}
.form-field textarea{ resize: vertical; min-height: 110px; }

.map-frame{
  border-radius: var(--radius-lg); overflow:hidden; border:1px solid var(--border);
  height: 340px; margin-top: 28px;
}
.map-frame iframe{ width:100%; height:100%; border:0; filter: grayscale(0.4) invert(0.92) contrast(0.9); }

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid var(--border);
  padding: 64px 0 28px;
  position: relative; z-index:1;
  background: var(--bg-soft);
}
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 48px; }
@media (max-width: 780px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-grid h4{ font-size:.8rem; text-transform:uppercase; letter-spacing:.1em; color: var(--text-3); margin-bottom:18px; }
.footer-grid ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:11px; }
.footer-grid a{ color: var(--text-2); font-size:.9rem; transition: color .2s; }
.footer-grid a:hover{ color: var(--cyan); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;
  padding-top: 28px; border-top: 1px solid var(--border);
  font-size:.82rem; color: var(--text-3);
}
.social-row{ display:flex; gap:12px; }
.social-row a{
  width:36px; height:36px; border-radius:50%; border:1px solid var(--border-hi);
  display:flex; align-items:center; justify-content:center; color: var(--text-2);
  transition: all .25s;
}
.social-row a:hover{ border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 58px; height: 58px; border-radius:50%;
  background: #25D366; color:#05130A;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 30px -8px rgba(37,211,102,0.6);
  animation: float-pulse 2.6s ease-in-out infinite;
}
@keyframes float-pulse{
  0%,100%{ transform: translateY(0); box-shadow: 0 10px 30px -8px rgba(37,211,102,0.6); }
  50%{ transform: translateY(-5px); box-shadow: 0 16px 38px -8px rgba(37,211,102,0.75); }
}

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform: translateY(0); }

/* ---------- Utilities ---------- */
.text-center{ text-align:center; margin-left:auto; margin-right:auto; }
.mt-0{ margin-top:0 !important; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}