/* SmartNETWORK One — smartnetwork.one
   Design matched to smartnetwork.cc: Orbitron display + Inter body,
   cyber palette (#0a0a1a / #00f0ff cyan / #ff00e4 magenta), scanlines,
   neon-glow accents. Logo: brand mark (blue->cyan gradient).            */

:root {
  --bg: #0a0a1a;
  --bg-2: #0f0f28;
  --panel: rgba(15, 15, 40, 0.72);
  --panel-solid: #0f0f28;
  --line: #2e2f49;
  --cyan: #00f0ff;
  --magenta: #ff00e4;
  --violet: #7b2ff7;
  --green: #00ff88;
  --orange: #ff8800;
  --text: #a9b0c8;
  --muted: #8888bb;
  --white: #ffffff;
  --grad-neon: linear-gradient(135deg, var(--cyan), var(--magenta));
  --glow-cyan: 0 0 24px rgba(0, 240, 255, 0.32);
  --glow-mag: 0 0 24px rgba(255, 0, 228, 0.28);
  --radius: 14px;
}

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

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(900px 500px at 85% -5%, rgba(123, 47, 247, 0.12), transparent 60%),
    radial-gradient(700px 420px at 8% 105%, rgba(0, 240, 255, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

/* scanlines — smartnetwork.cc signature */
.scanlines { position: fixed; inset: 0; z-index: 98; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 240, 255, 0.015) 3px); }
.grid-bg { position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(75% 62% at 50% 28%, #000 25%, transparent 100%); }

::selection { background: rgba(0, 240, 255, 0.35); color: #fff; }

/* ---------- nav ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 10, 26, 0.82); border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.nav-inner { max-width: 1120px; margin: 0 auto; padding: 13px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none;
  font-family: "Orbitron", sans-serif; font-weight: 700; font-size: 0.98rem;
  letter-spacing: 0.06em; color: var(--white); }
.brand em { font-style: normal; color: var(--cyan); text-shadow: 0 0 14px rgba(0, 240, 255, 0.65); }
.brand-logo { width: 32px; height: 32px; filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.55)); }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.88rem;
  font-weight: 500; letter-spacing: 0.03em; transition: all 0.2s; }
.nav-links a:hover { color: var(--cyan); text-shadow: 0 0 10px rgba(0, 240, 255, 0.5); }
.nav-gh { display: inline-flex; align-items: center; gap: 7px; padding: 7px 15px;
  border: 1px solid var(--line); border-radius: 8px; transition: all 0.2s; }
.nav-gh:hover { border-color: var(--cyan); color: var(--white); box-shadow: var(--glow-cyan); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--cyan); border-radius: 2px; transition: all 0.25s; }

/* ---------- hero ---------- */
.hero { min-height: 90vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 140px 24px 70px; position: relative; }
.hero-inner { max-width: 880px; }
.hero-logo { width: 128px; height: 128px; margin-bottom: 26px;
  filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.5)); animation: bob 5s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
.hero-eyebrow { font-family: "Orbitron", sans-serif; text-transform: uppercase;
  letter-spacing: 0.42em; font-size: 0.72rem; color: var(--magenta);
  text-shadow: 0 0 12px rgba(255, 0, 228, 0.45); margin-bottom: 18px; }
.hero-title { font-family: "Orbitron", sans-serif; font-size: clamp(2.6rem, 7.5vw, 4.8rem);
  font-weight: 800; letter-spacing: 0.02em; color: var(--white); line-height: 1.08;
  text-shadow: 0 0 40px rgba(0, 240, 255, 0.25); }
.hero-title em { font-style: normal; color: var(--cyan); text-shadow: 0 0 26px rgba(0, 240, 255, 0.8); }
.hero-slogan { font-family: "Orbitron", sans-serif; font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  font-weight: 600; margin-top: 16px; color: var(--white); }
.hero-slogan .grad-text { color: transparent; background: var(--grad-neon);
  -webkit-background-clip: text; background-clip: text; }
.hero-sub { max-width: 660px; margin: 22px auto 0; color: var(--muted); font-size: 1rem; }
.hero-sub strong { color: var(--text); }
.hero-cta { display: flex; gap: 15px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 30px; border-radius: 10px; font-family: "Orbitron", sans-serif;
  font-weight: 600; font-size: 0.86rem; letter-spacing: 0.06em; text-decoration: none;
  cursor: pointer; border: 1px solid transparent; transition: all 0.22s; }
.btn-primary { background: var(--grad-neon); color: #0a0a1a; box-shadow: var(--glow-cyan); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 34px rgba(0, 240, 255, 0.55); }
.btn-ghost { border-color: var(--line); color: var(--text); background: rgba(15, 15, 40, 0.6); }
.btn-ghost:hover { border-color: var(--cyan); box-shadow: var(--glow-cyan); transform: translateY(-2px); }
.hero-stats { display: flex; justify-content: center; gap: clamp(26px, 6vw, 68px); margin-top: 56px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-num { display: block; font-family: "Orbitron", sans-serif;
  font-size: clamp(1.4rem, 3.2vw, 2.1rem); font-weight: 800; color: var(--cyan);
  text-shadow: 0 0 18px rgba(0, 240, 255, 0.6); }
.stat-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--muted); }

/* ---------- sections ---------- */
.section { max-width: 1120px; margin: 0 auto; padding: 92px 24px; }
.section-head { text-align: center; max-width: 740px; margin: 0 auto 52px; }
.kicker { font-family: "Orbitron", sans-serif; text-transform: uppercase;
  letter-spacing: 0.34em; font-size: 0.7rem; color: var(--magenta); margin-bottom: 12px; }
.section-head h2 { font-family: "Orbitron", sans-serif;
  font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 800; color: var(--white);
  letter-spacing: 0.02em; }
.section-sub { margin-top: 14px; color: var(--muted); font-size: 0.98rem; }
.grad-text { color: transparent; background: var(--grad-neon);
  -webkit-background-clip: text; background-clip: text; }

/* value + mod cards share the cc aesthetic */
.value-grid, .mod-grid { display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card { background: var(--panel-solid); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px; transition: all 0.25s;
  position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-neon); opacity: 0; transition: opacity 0.3s; }
.card:hover { transform: translateY(-4px); border-color: rgba(0, 240, 255, 0.5); box-shadow: var(--glow-cyan); }
.card:hover::before { opacity: 1; }
.card-glyph { font-size: 1.5rem; width: 48px; height: 48px; display: grid; place-items: center;
  border-radius: 10px; margin-bottom: 15px;
  background: rgba(0, 240, 255, 0.07); border: 1px solid var(--line); }
.card h3 { font-family: "Orbitron", sans-serif; color: var(--white);
  font-size: 0.98rem; letter-spacing: 0.03em; margin-bottom: 9px; }
.card p { color: var(--muted); font-size: 0.88rem; }
.card code { display: block; font-family: "JetBrains Mono", monospace; font-size: 0.72rem;
  color: var(--cyan); background: rgba(0, 240, 255, 0.06); border: 1px solid var(--line);
  padding: 8px 10px; border-radius: 8px; margin-top: 13px; overflow-x: auto; white-space: nowrap; }

/* architecture */
.arch-panel { background: var(--panel-solid); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(26px, 5vw, 50px); }
.arch-row { display: flex; gap: 22px; align-items: flex-start; }
.arch-num { font-family: "Orbitron", sans-serif; font-weight: 700; font-size: 0.85rem;
  color: var(--magenta); border: 1px solid var(--line); border-radius: 10px;
  min-width: 46px; height: 46px; display: grid; place-items: center; flex-shrink: 0;
  text-shadow: 0 0 10px rgba(255, 0, 228, 0.5); }
.arch-stage h4 { font-family: "Orbitron", sans-serif; color: var(--white);
  font-size: 0.96rem; letter-spacing: 0.03em; margin-bottom: 7px; }
.arch-stage p { color: var(--muted); font-size: 0.9rem; max-width: 620px; }
.arch-row-line { height: 24px; width: 1px; margin-left: 23px;
  background: linear-gradient(var(--violet), var(--cyan)); opacity: 0.55; }
.arch-pipeline { margin-top: 36px; display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; justify-content: center; }
.pipe-node { font-family: "JetBrains Mono", monospace; font-size: 0.75rem; color: var(--text);
  border: 1px solid var(--line); background: rgba(10, 10, 26, 0.8);
  padding: 10px 16px; border-radius: 10px; }
.pipe-core { color: #0a0a1a; font-weight: 700; border: none;
  background: var(--grad-neon); box-shadow: var(--glow-cyan); }
.pipe-arrow { color: var(--cyan); opacity: 0.85; }

/* quickstart */
.qs-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; align-items: start; }
.qs-card { background: var(--panel-solid); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; position: relative; }
.qs-tabs { display: flex; gap: 8px; margin-bottom: 15px; }
.qs-tab { background: none; border: 1px solid var(--line); color: var(--muted);
  font-family: "Orbitron", sans-serif; font-size: 0.72rem; letter-spacing: 0.05em;
  padding: 7px 16px; border-radius: 8px; cursor: pointer; transition: all 0.2s; }
.qs-tab.active { color: #0a0a1a; font-weight: 700; border: none;
  background: var(--grad-neon); box-shadow: var(--glow-cyan); }
.qs-code { font-family: "JetBrains Mono", monospace; font-size: 0.78rem; line-height: 1.65;
  color: var(--text); background: #080814; border: 1px solid var(--line); border-radius: 10px;
  padding: 20px; overflow-x: auto; white-space: pre; }
.qs-code.hidden { display: none; }
.btn-copy { margin-top: 13px; background: rgba(15, 15, 40, 0.7); border: 1px solid var(--line);
  color: var(--muted); font-family: "Orbitron", sans-serif; font-size: 0.72rem;
  letter-spacing: 0.05em; padding: 8px 18px; border-radius: 8px; transition: all 0.2s; }
.btn-copy:hover { color: var(--cyan); border-color: var(--cyan); box-shadow: var(--glow-cyan); }
.qs-side { display: flex; flex-direction: column; gap: 16px; }
.qs-note { background: var(--panel-solid); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; }
.qs-note h4 { font-family: "Orbitron", sans-serif; color: var(--white);
  font-size: 0.92rem; letter-spacing: 0.03em; margin-bottom: 8px; }
.qs-note p { color: var(--muted); font-size: 0.86rem; }

/* cta */
.cta { text-align: center; background: var(--panel-solid); border: 1px solid var(--line);
  border-radius: 20px; padding: clamp(38px, 7vw, 72px) 24px; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-neon); }
.cta-logo { margin-bottom: 18px; filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.5)); }
.cta h2 { font-family: "Orbitron", sans-serif; font-size: clamp(1.6rem, 4vw, 2.3rem);
  color: var(--white); font-weight: 800; letter-spacing: 0.02em; }
.cta p { color: var(--muted); margin: 12px 0 28px; }

/* footer */
.footer { border-top: 1px solid var(--line); background: rgba(8, 8, 20, 0.85); }
.footer-inner { max-width: 1120px; margin: 0 auto; padding: 32px 24px; text-align: center; }
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 10px;
  font-family: "Orbitron", sans-serif; color: var(--white); font-weight: 700;
  letter-spacing: 0.06em; margin-bottom: 12px; }
.footer-brand em { font-style: normal; color: var(--cyan); text-shadow: 0 0 10px rgba(0, 240, 255, 0.6); }
.footer-line { color: var(--muted); font-size: 0.85rem; }
.footer-line a { color: var(--cyan); text-decoration: none; }
.footer-line a:hover { text-shadow: 0 0 8px rgba(0, 240, 255, 0.6); }
.footer-line.small { font-size: 0.75rem; margin-top: 6px; opacity: 0.75; }

/* reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .qs-grid { grid-template-columns: 1fr; }
  .nav-links { position: fixed; top: 60px; right: 0; flex-direction: column;
    background: rgba(10, 10, 26, 0.97); width: min(300px, 84vw); padding: 26px;
    gap: 20px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line);
    border-radius: 0 0 0 14px; transform: translateX(110%); transition: transform 0.3s; }
  .nav-links.open { transform: none; }
  .nav-toggle { display: flex; }
  .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); }
  .arch-row { flex-direction: column; gap: 8px; }
  .arch-row-line { margin-left: 23px; height: 18px; }
}