/* ── RESET & ROOT ── */
:root {
  --bg0: #05070d;
  --bg1: #080b12;
  --bg2: #0e1117;
  --bg3: #13181f;
  --card: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --green: #35ff8d;
  --green-dim: #1db85f;
  --green-glow: rgba(53,255,141,0.12);
  --cyan: #00f0ff;
  --gold: #d8b45a;
  --white: #ffffff;
  --text: #e2e8f0;
  --muted: #a4acb9;
  --dim: #4a5568;
  --red: #ff4757;
  --mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Noto Sans SC', sans-serif;
  --radius: 8px;
  --radius-lg: 16px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg0);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Grid background */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(53,255,141,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53,255,141,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; color: var(--white); overflow-wrap: anywhere; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { color: var(--muted); line-height: 1.75; overflow-wrap: anywhere; }
a { text-decoration: none; color: inherit; }

.mono { font-family: var(--mono); }
.green { color: var(--green); }
.gold { color: var(--gold); }
.cyan { color: var(--cyan); }
.muted { color: var(--muted); }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(5,7,13,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 0 2rem;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--green);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.nav-logo span { color: var(--muted); }
.nav-links {
  display: flex; align-items: center; gap: 0.25rem;
  list-style: none;
  min-width: 0;
}
.nav-links a {
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); background: var(--card); }
.nav-cta { display: flex; gap: 0.5rem; align-items: center; }
.btn-tg {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--green);
  color: var(--bg0) !important;
  padding: 0.45rem 1rem;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 700;
  transition: opacity 0.2s, transform 0.1s;
  white-space: nowrap;
}
.btn-tg:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-msg {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--card-border);
  color: var(--muted) !important;
  padding: 0.45rem 1rem;
  border-radius: var(--radius);
  font-size: 0.82rem;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn-msg:hover { border-color: var(--green); color: var(--green) !important; }

/* Hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--muted); margin: 4px 0;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav-mobile { display: none; }

/* ── LAYOUT ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; position: relative; z-index: 1; }
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }

.label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
}
.section-title { margin-bottom: 0.75rem; }
.section-sub { color: var(--muted); max-width: 600px; margin-bottom: 3rem; font-size: 1.05rem; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
  max-width: 100%;
}
.btn-primary {
  background: var(--green);
  color: var(--bg0);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 8px 24px var(--green-glow); }
.btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--card-border);
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); }
.btn-outline {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.btn-outline:hover { background: var(--green-glow); }

/* ── CARDS ── */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
  min-width: 0;
}
.card[href] { display: block; color: inherit; text-decoration: none; }
.card:hover { border-color: rgba(53,255,141,0.2); transform: translateY(-2px); }
.card-icon { font-size: 1.5rem; margin-bottom: 1rem; }
.card-title { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 0.5rem; }
.card-text { font-size: 0.875rem; color: var(--muted); line-height: 1.7; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 1.25rem; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4rem; align-items: center; }
.hero-inner > * { min-width: 0; }
.hero-label { margin-bottom: 1.25rem; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.5rem 0 2rem; }
.hero-tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--card-border);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--muted);
  background: var(--card);
  max-width: 100%;
  overflow-wrap: anywhere;
}
.hero-tag.active { border-color: var(--green); color: var(--green); background: var(--green-glow); }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Live panel */
.live-panel {
  background: var(--bg2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  min-width: 0;
}
.live-panel::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}
.panel-header {
  display: flex; align-items: center; gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--card-border);
}
.panel-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: blink 1.5s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
.panel-title { font-family: var(--mono); font-size: 0.75rem; color: var(--green); letter-spacing: 0.15em; }
.panel-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.8rem;
}
.panel-row:last-child { border-bottom: none; }
.panel-key { color: var(--muted); font-family: var(--mono); }
.panel-val { color: var(--white); font-weight: 600; }
.panel-val.green { color: var(--green); }
.panel-val.gold { color: var(--gold); }
.panel-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 1rem; }
.panel-stat {
  background: rgba(53,255,141,0.05);
  border: 1px solid rgba(53,255,141,0.1);
  border-radius: var(--radius);
  padding: 0.75rem;
  text-align: center;
}
.panel-stat-val { font-family: var(--mono); font-size: 1.1rem; color: var(--green); font-weight: 700; }
.panel-stat-lbl { font-size: 0.65rem; color: var(--muted); margin-top: 0.2rem; letter-spacing: 0.1em; }

/* ── STATS BAR ── */
.stats-bar {
  background: var(--bg2);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 2rem 0;
}
.stats-inner { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 1.5rem; }
.stat-item { text-align: center; }
.stat-val { font-family: var(--mono); font-size: 1.8rem; font-weight: 700; color: var(--green); }
.stat-lbl { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.1em; margin-top: 0.2rem; }

/* ── PLATFORM GRID ── */
.platform-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-decoration: none;
  display: flex; flex-direction: column;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
  position: relative;
  overflow: hidden;
  min-width: 0;
}
.platform-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.platform-card:hover { border-color: rgba(53,255,141,0.25); transform: translateY(-3px); background: rgba(53,255,141,0.04); }
.platform-card:hover::after { transform: scaleX(1); }
.platform-card:hover .pc-arrow { color: var(--green); }
.pc-suit { font-size: 1.8rem; margin-bottom: 0.75rem; }
.pc-name { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 0.4rem; }
.pc-desc { font-size: 0.8rem; color: var(--muted); line-height: 1.6; flex: 1; }
.pc-arrow { display: block; margin-top: 1rem; font-size: 0.75rem; color: var(--dim); transition: color 0.2s; font-family: var(--mono); }

/* ── PROCESS ── */
.process-list { display: flex; flex-direction: column; gap: 0; }
.process-item {
  display: grid; grid-template-columns: 48px 1fr;
  gap: 1.25rem; padding: 1.5rem 0;
  border-bottom: 1px solid var(--card-border);
  position: relative;
}
.process-item:last-child { border-bottom: none; }
.process-num {
  width: 48px; height: 48px;
  border: 1px solid var(--card-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 0.8rem;
  color: var(--green);
  flex-shrink: 0;
  background: var(--card);
}
.process-title { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 0.4rem; }
.process-text { font-size: 0.875rem; color: var(--muted); line-height: 1.7; }

/* ── FAQ ── */
.faq-item {
  border-bottom: 1px solid var(--card-border);
  padding: 1.25rem 0;
}
.faq-q {
  font-size: 0.95rem; font-weight: 600; color: var(--white);
  margin-bottom: 0.5rem;
  cursor: pointer;
  display: flex; align-items: flex-start; gap: 0.75rem;
}
.faq-q::before { content: '▸'; color: var(--green); font-size: 0.8rem; flex-shrink: 0; margin-top: 0.1rem; }
.faq-a { font-size: 0.875rem; color: var(--muted); line-height: 1.75; padding-left: 1.5rem; }

/* ── RESULTS GRID ── */
.results-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 1rem; }
.result-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.result-card img { width: 100%; display: block; }
.result-caption { padding: 0.75rem 1rem; font-size: 0.75rem; color: var(--muted); font-family: var(--mono); }
.result-caption span { color: var(--green); }

/* ── FORM ── */
.form-card {
  background: var(--bg2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 640px;
  width: 100%;
  min-width: 0;
}
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 0.5rem; font-weight: 500; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--white);
  font-size: 0.9rem;
  font-family: var(--sans);
  transition: border-color 0.2s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--green);
  background: rgba(53,255,141,0.04);
}
.form-select option { background: var(--bg2); color: var(--white); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-submit {
  width: 100%;
  background: var(--green);
  color: var(--bg0);
  padding: 0.875rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
}
.form-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.form-note { font-size: 0.8rem; color: var(--dim); margin-top: 1rem; text-align: center; }
.form-note a { color: var(--green); }
.form-msg { display: none; padding: 0.75rem 1rem; border-radius: var(--radius); font-size: 0.875rem; margin-top: 1rem; overflow-wrap: anywhere; }
.form-msg a { color: var(--green); text-decoration: underline; }
.form-msg.success { background: rgba(53,255,141,0.1); border: 1px solid rgba(53,255,141,0.3); color: var(--green); display: block; }
.form-msg.error { background: rgba(255,71,87,0.1); border: 1px solid rgba(255,71,87,0.3); color: var(--red); display: block; }

/* ── CTA BLOCK ── */
.cta-block {
  background: linear-gradient(135deg, rgba(53,255,141,0.08), rgba(0,240,255,0.04));
  border: 1px solid rgba(53,255,141,0.15);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(53,255,141,0.05), transparent 60%);
  pointer-events: none;
}
.cta-block h2 { margin-bottom: 0.75rem; }
.cta-block p { color: var(--muted); margin-bottom: 2rem; }
.cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── ARTICLE ── */
.article-body h2 { font-size: 1.4rem; margin: 2.5rem 0 1rem; color: var(--white); }
.article-body p { color: var(--muted); line-height: 1.8; margin-bottom: 1.25rem; }
.article-body b, .article-body strong { color: var(--white); font-weight: 600; }
.article-body ul { padding-left: 1.5rem; color: var(--muted); margin-bottom: 1.25rem; }
.article-body li { margin-bottom: 0.4rem; line-height: 1.7; }

/* ── BREADCRUMB ── */
.breadcrumb { font-size: 0.8rem; color: var(--dim); margin-bottom: 1.5rem; font-family: var(--mono); }
.breadcrumb a { color: var(--dim); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb span { color: var(--muted); }

/* ── PAGE HERO (sub pages) ── */
.page-hero {
  padding: 8rem 0 4rem;
  border-bottom: 1px solid var(--card-border);
}

/* ── FOOTER ── */
.footer {
  background: var(--bg1);
  border-top: 1px solid var(--card-border);
  padding: 3rem 0 2rem;
}
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 2rem;
}
.footer-brand p { font-size: 0.85rem; color: var(--muted); margin-top: 0.75rem; max-width: 260px; line-height: 1.7; }
.footer-col h4 { font-size: 0.82rem; color: var(--white); margin-bottom: 1rem; letter-spacing: 0.05em; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { font-size: 0.82rem; color: var(--muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--green); }
.footer-bottom {
  border-top: 1px solid var(--card-border);
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.75rem; color: var(--dim);
  font-family: var(--mono);
}
.footer-tg {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--green) !important;
  font-size: 0.82rem;
}

/* ── DIVIDER ── */
.divider { height: 1px; background: var(--card-border); margin: 3rem 0; }

/* ── INLINE TAGS ── */
.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: var(--green-glow);
  border: 1px solid rgba(53,255,141,0.2);
  border-radius: 4px;
  font-size: 0.72rem;
  color: var(--green);
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav { padding: 0 1rem; }
  .nav-links a { padding: 0.35rem 0.55rem; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav { height: 64px; padding: 0 1rem; }
  .nav-logo {
    max-width: calc(100vw - 84px);
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.86rem;
    letter-spacing: 0.03em;
  }
  .nav-toggle {
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.03);
  }
  .nav-mobile {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0;
    z-index: 998;
    background: rgba(8,11,18,0.98);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem;
    flex-direction: column; gap: 0.25rem;
    min-height: calc(100vh - 64px);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    box-shadow: 0 18px 44px rgba(0,0,0,0.45);
  }
  .nav-mobile.open { display: flex; }
  .nav-mobile a {
    display: block; padding: 0.75rem 1rem;
    font-size: 0.9rem; color: var(--muted);
    border-radius: var(--radius);
    transition: background 0.2s, color 0.2s;
  }
  .nav-mobile a:hover { background: var(--card); color: var(--white); }
  .nav-mobile .btn-tg, .nav-mobile .btn-msg {
    display: flex; justify-content: center; text-align: center; margin-top: 0.5rem;
    padding: 0.75rem;
  }
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .live-panel { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-auto, .results-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .cta-block { padding: 2rem 1.25rem; }
  .form-card { padding: 1.5rem; }
  .form-card [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }
  .section .container > div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
  .section .container > div[style*="grid-template-columns:2fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
  .hero {
    min-height: auto;
    padding: 7rem 0 4rem;
  }
  h1 { font-size: clamp(2rem, 10vw, 2.7rem); line-height: 1.08; }
  .section { padding: 3.5rem 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; max-width: 100%; }
  .label { font-size: 0.64rem; letter-spacing: 0.14em; }
  .hero-label { margin-bottom: 1rem; }
  .hero-tags {
    gap: 0.45rem;
    margin: 1.25rem 0 1.6rem;
  }
  .hero-tag {
    padding: 0.28rem 0.58rem;
    font-size: 0.72rem;
  }
  .stats-inner { gap: 1rem; }
  .stat-item { width: calc(50% - 0.5rem); }
  .stat-val { font-size: 1.35rem; }
  .stat-lbl { font-size: 0.66rem; }
  .hero-btns {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .hero-btns .btn,
  .cta-btns .btn {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1rem;
    white-space: normal;
    text-align: center;
  }
  .cta-btns { flex-direction: column; align-items: stretch; }
  .card,
  .platform-card,
  .form-card,
  .cta-block {
    border-radius: 12px;
  }
  .form-card { padding: 1.15rem; }
  .form-input, .form-select, .form-textarea { font-size: 16px; }
  .footer-bottom { font-size: 0.68rem; }
}