@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&family=Kanit:wght@300;400;600&display=swap');

:root{
  --bg0:#050816;
  --bg1:#07102a;
  --card: rgba(10, 20, 52, .62);
  --stroke: rgba(90, 200, 255, .20);
  --text:#eaf7ff;
  --muted: rgba(234,247,255,.72);
  --cyan:#00f0ff;
  --blue:#49a7ff;
  --shadow: 0 18px 80px rgba(0,0,0,.55);
  --glow: 0 0 24px rgba(0,240,255,.20);
  --r: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: 'Kanit', system-ui, -apple-system, "Segoe UI", sans-serif;
  color:var(--text);
  background: var(--bg0);
  overflow-x:hidden;
}

.no-scroll{ overflow: hidden; }

/* ===== background: gradient + cyber grid + scanning glow ===== */
body::before{
  content:"";
  position:fixed;
  inset:-80px;
  background:
    radial-gradient(900px 520px at 15% 10%, rgba(73,167,255,.18), transparent 60%),
    radial-gradient(820px 480px at 85% 18%, rgba(0,240,255,.15), transparent 60%),
    radial-gradient(1000px 700px at 50% 90%, rgba(120,120,255,.10), transparent 65%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  z-index:-4;
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(0,240,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,.06) 1px, transparent 1px);
  background-size: 44px 44px;
  animation:gridMove 6s linear infinite;
  z-index:-3;
  mask-image: radial-gradient(circle at 50% 20%, rgba(0,0,0,1), rgba(0,0,0,.6) 55%, rgba(0,0,0,.1));
}

@keyframes gridMove{
  0%{background-position: 0 0, 0 0}
  100%{background-position: 0 44px, 44px 0}
}

/* ===== Cursor glow ===== */
.cursor-glow{
  position: fixed;
  width: 360px;
  height: 360px;
  border-radius: 999px;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(0,240,255,.14), transparent 60%),
    radial-gradient(circle at 50% 50%, rgba(73,167,255,.10), transparent 66%);
  filter: blur(0px);
  mix-blend-mode: screen;
}

/* ===== LOADER ===== */
.loader{
  position:fixed;
  inset:0;
  display:grid;
  place-items:center;
  z-index:9999;
}
.loader__bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 520px at 20% 20%, rgba(0,240,255,.14), transparent 60%),
    radial-gradient(900px 520px at 80% 30%, rgba(73,167,255,.14), transparent 60%),
    linear-gradient(180deg, rgba(2,4,12,.96), rgba(5,8,22,.98));
}
.loader__wrap{
  position:relative;
  width:min(560px, calc(100vw - 44px));
  padding:30px 28px 22px;
  border-radius:24px;
  background: rgba(10, 20, 52, .55);
  border:1px solid rgba(90, 200, 255, .25);
  box-shadow: var(--shadow), 0 0 0 1px rgba(0,240,255,.08) inset;
  backdrop-filter: blur(14px);
  z-index:1;
}
.loader__logo{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}
.loader__dot{
  width:12px;height:12px;border-radius:999px;
  background: var(--cyan);
  box-shadow: 0 0 14px rgba(0,240,255,.65);
  animation:pulse 1.2s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{transform:scale(1); opacity:.9}
  50%{transform:scale(1.55); opacity:1}
}
.loader__text{
  font-family:'Orbitron', sans-serif;
  letter-spacing:1.2px;
  font-weight:800;
  font-size:18px;
  color:var(--text);
  text-shadow: 0 0 16px rgba(0,240,255,.25);
}
.loader__hintRow{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  color: var(--muted);
  font-size:14px;
  margin-top:6px;
}
.loader__percent{
  font-family:'Orbitron', sans-serif;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0,240,255,.25);
}
.loader__bar{
  height:12px;
  border-radius:999px;
  overflow:hidden;
  border:1px solid rgba(90,200,255,.25);
  background: rgba(0,0,0,.28);
  box-shadow: 0 0 0 1px rgba(0,240,255,.06) inset;
  margin-top:12px;
}
.loader__barFill{
  display:block;
  height:100%;
  width:100%;
  transform-origin: left center;
  transform: scaleX(0);
  background: linear-gradient(90deg, rgba(0,240,255,.18), rgba(73,167,255,.70), rgba(0,240,255,.18));
  background-size: 220% 100%;
  animation: shimmer 1.4s linear infinite;
  filter: drop-shadow(0 0 10px rgba(0,240,255,.35));
}
@keyframes shimmer{
  0%{background-position: 0% 0}
  100%{background-position: 220% 0}
}

.loader__start{
  width:100%;
  margin-top:14px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(0,240,255,.28);
  background: rgba(0,0,0,.18);
  color: rgba(234,247,255,.85);
  cursor: not-allowed;
  transition: .25s;
  box-shadow: 0 0 0 1px rgba(0,240,255,.06) inset;
}
.loader__start.is-ready{
  cursor: pointer;
  color: var(--cyan);
  border-color: rgba(0,240,255,.45);
  background: linear-gradient(135deg, rgba(0,240,255,.14), rgba(73,167,255,.16));
}
.loader__start.is-ready:hover{
  transform: translateY(-2px);
  box-shadow: var(--glow);
}
.loader__start:disabled{ opacity:.55; }

.loader__tiny{
  margin-top:10px;
  font-size:12px;
  color: rgba(234,247,255,.62);
}

/* ซ่อน loader แล้วต้องคลิกทะลุได้ */
.loader--hide{
  opacity:0;
  transform: translateY(10px);
  pointer-events:none;
  transition: .6s ease;
}

/* ===== Nav ===== */
.nav{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 56px;
  background: rgba(6, 10, 26, .55);
  border-bottom: 1px solid rgba(90,200,255,.22);
  backdrop-filter: blur(12px);
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand__mark{
  width:14px;height:14px;border-radius:6px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 18px rgba(0,240,255,.35);
}
.brand__name{
  font-family:'Orbitron',sans-serif;
  font-weight:900;
  letter-spacing:1px;
  color:var(--text);
}
.brand__tag{
  font-size:12px;
  padding:5px 10px;
  border-radius:999px;
  border:1px solid rgba(0,240,255,.25);
  background: rgba(0,240,255,.08);
  color: var(--cyan);
}
.nav__links{display:flex; gap:22px; align-items:center}
.nav__links a{
  color: var(--muted);
  text-decoration:none;
  font-weight:500;
  transition:.25s;
}
.nav__links a:hover{
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0,240,255,.25);
}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height: calc(100vh - 72px);
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:34px;
  padding: 72px 56px 36px;
  align-items:center;
  z-index:1;
}
.hero__glow{
  position:absolute;
  inset:-60px -60px -60px -60px;
  background:
    radial-gradient(900px 520px at 18% 20%, rgba(0,240,255,.12), transparent 60%),
    radial-gradient(900px 520px at 78% 30%, rgba(73,167,255,.12), transparent 60%);
  z-index:-1;
}
.scanline{
  position:absolute;
  inset:0;
  pointer-events:none;
  background: linear-gradient(to bottom, transparent, rgba(0,240,255,.10), transparent);
  opacity:.22;
  animation: scan 6.5s linear infinite;
  z-index:-1;
}
@keyframes scan{
  0%{ transform: translateY(-60%); }
  100%{ transform: translateY(120%); }
}

.hero__title{
  margin:0;
  font-family:'Orbitron', sans-serif;
  font-size: clamp(44px, 5.2vw, 76px);
  letter-spacing: 1px;
  color: var(--cyan);
  text-shadow: 0 0 24px rgba(0,240,255,.22), 0 0 44px rgba(73,167,255,.18);
}
.hero__desc{
  margin:14px 0 0;
  max-width: 680px;
  color: var(--muted);
  font-size: 16.5px;
  line-height:1.6;
}
.hero__cta{display:flex; gap:14px; margin-top:22px; flex-wrap:wrap}

/* ===== Buttons ===== */
.btn{
  border:1px solid rgba(0,240,255,.28);
  background: rgba(0,0,0,.15);
  color: var(--text);
  padding: 12px 18px;
  border-radius: 999px;
  cursor:pointer;
  transition: .25s;
  box-shadow: 0 0 0 1px rgba(0,240,255,.06) inset;
}
.btn:hover{
  transform: translateY(-2px);
  box-shadow: var(--glow);
  border-color: rgba(0,240,255,.45);
}
.btn--primary{
  background: linear-gradient(135deg, rgba(0,240,255,.20), rgba(73,167,255,.22));
  color: var(--cyan);
}
.btn--ghost{ color: var(--muted); }

/* ===== Stats ===== */
.stats{
  margin-top:22px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.stat{
  min-width: 140px;
  padding:12px 14px;
  border-radius: 16px;
  background: rgba(10, 20, 52, .45);
  border:1px solid rgba(90,200,255,.18);
  backdrop-filter: blur(10px);
}
.stat__k{
  font-family:'Orbitron', sans-serif;
  color: var(--cyan);
  letter-spacing:.6px;
}
.stat__l{
  color: var(--muted);
  margin-top:4px;
  font-size:13px;
}

/* ===== Panel ===== */
.hero__panel{display:flex; justify-content:flex-end}
.panel{
  width:min(460px, 100%);
  padding:18px;
  border-radius: 22px;
  background: rgba(10, 20, 52, .58);
  border:1px solid rgba(90,200,255,.22);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  position:relative;
  overflow:hidden;
}
.panel::before{
  content:"";
  position:absolute;
  inset:-2px;
  background: radial-gradient(520px 220px at 30% 0%, rgba(0,240,255,.10), transparent 60%);
  pointer-events:none;
}
.panel__top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  position:relative;
}
.pill{
  font-family:'Orbitron', sans-serif;
  font-size:11px;
  letter-spacing:.8px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(90,200,255,.22);
  background: rgba(0,240,255,.07);
  color: var(--muted);
}
.pill--ok{color: var(--cyan)}
.panel__grid{
  margin-top:14px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
  position:relative;
}
.mini{
  padding:12px 12px 14px;
  border-radius:16px;
  background: rgba(0,0,0,.16);
  border:1px solid rgba(90,200,255,.16);
}
.mini__t{color: var(--muted); font-size:13px}
.mini__v{margin-top:6px; font-family:'Orbitron',sans-serif; color: var(--text)}
.mini__bar{
  height:9px;
  border-radius:999px;
  margin-top:10px;
  background: rgba(255,255,255,.06);
  overflow:hidden;
  border:1px solid rgba(90,200,255,.12);
}
.mini__bar span{
  display:block;
  height:100%;
  border-radius:999px;
  background: linear-gradient(90deg, rgba(0,240,255,.2), rgba(73,167,255,.7));
  box-shadow: 0 0 14px rgba(0,240,255,.18);
}
.panel__log{
  margin-top:14px;
  padding:12px;
  border-radius:16px;
  background: rgba(0,0,0,.14);
  border:1px solid rgba(90,200,255,.14);
  color: var(--muted);
  font-size:13px;
  line-height:1.75;
}
.dot{
  width:8px;height:8px;border-radius:999px; display:inline-block; margin-right:8px;
}
.dot.ok{background: rgba(0,240,255,.9); box-shadow:0 0 12px rgba(0,240,255,.35)}
.dot.warn{background: rgba(73,167,255,.9); box-shadow:0 0 12px rgba(73,167,255,.35)}

/* ===== Sections ===== */
.section{ padding: 68px 56px; position:relative; z-index:1; }
.section__head h2{
  margin:0;
  font-family:'Orbitron', sans-serif;
  color: var(--cyan);
  letter-spacing:.7px;
}
.section__head p{
  margin:10px 0 0;
  color: var(--muted);
  max-width: 820px;
  line-height:1.6;
}

.grid2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
  margin-top:18px;
}
.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top:18px;
}

.card{
  background: var(--card);
  border: 1px solid rgba(90,200,255,.20);
  border-radius: 22px;
  padding: 18px 18px 16px;
  box-shadow: 0 0 0 1px rgba(0,240,255,.06) inset;
  backdrop-filter: blur(12px);
}
.card h3{margin:0 0 8px; color: var(--text); font-weight:650}
.card p{margin:0; color: var(--muted); line-height:1.6}
.card--hover{transition:.25s}
.card--hover:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow), var(--glow);
  border-color: rgba(0,240,255,.35);
}
.icon{
  font-size:22px;
  margin-bottom:10px;
  filter: drop-shadow(0 0 12px rgba(0,240,255,.12));
}

/* ===== Terminal ===== */
.terminal{ padding: 0; overflow:hidden; }
.terminal__top{
  padding: 12px 14px;
  display:flex;
  align-items:center;
  gap:8px;
  border-bottom: 1px solid rgba(90,200,255,.16);
  background: rgba(0,0,0,.16);
}
.tbtn{
  width:10px; height:10px; border-radius:999px;
  background: rgba(0,240,255,.22);
  border:1px solid rgba(0,240,255,.18);
}
.terminal__title{
  margin-left:8px;
  color: var(--muted);
  font-size:12px;
  font-family:'Orbitron', sans-serif;
}
.terminal__body{
  margin:0;
  padding: 16px 14px 18px;
  color: rgba(234,247,255,.8);
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
}

/* ===== Footer ===== */
.footer{
  padding: 26px 56px;
  border-top: 1px solid rgba(90,200,255,.18);
  display:flex;
  justify-content:space-between;
  gap:12px;
  color: var(--muted);
}

/* ===== Music floating ===== */
.music{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
}
.music__btn{
  border: 1px solid rgba(0,240,255,.30);
  background: rgba(0,0,0,.30);
  color: var(--cyan);
  padding: 12px 16px;
  border-radius: 16px;
  cursor:pointer;
  transition:.25s;
  backdrop-filter: blur(10px);
}
.music__btn:hover{
  transform: translateY(-2px);
  box-shadow: var(--glow);
}

.muted{color: var(--muted)}

/* ===== Reveal ===== */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: 700ms ease;
}
.reveal.is-in{
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 980px){
  .hero{grid-template-columns: 1fr; padding: 54px 18px 26px}
  .hero__panel{justify-content:flex-start}
  .nav{padding: 16px 18px}
  .section{padding: 54px 18px}
  .grid3{grid-template-columns: 1fr}
  .grid2{grid-template-columns: 1fr}
  .footer{padding: 22px 18px; flex-direction:column}
  .nav__links{gap:14px}
}

.music__status{
  margin-left: 10px;
  font-size: 12px;
  color: rgba(234,247,255,.70);
}