/* =====================================================
   TechCoin.ai — MTD LP v2 (Neon Cyan)
   Uses ONLY: --bg, --text, --muted, --edge, --accent-1/2/3, --scrollbar-*
   ===================================================== */
:root{
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Cinzel', 'Spectral', serif;
  --font-mono-accent: 'Audiowide', monospace;
}

/* Theme */
body[data-theme="neon-cyan"]{
  --bg:#03070a;
  --text:#e8f6ff;
  --muted:#b7d3e2;
  --edge:#061018;
  font-family: var(--font-sans);
  --accent-1:#38c0ff;
  --accent-2:#a5e4ff;
  --accent-3:#4b6b80;

  --scrollbar-track:var(--edge);
  --scrollbar-thumb:var(--accent-1);
}

/* Base helpers */
.techcoin-page{
  background: var(--bg);
  color: var(--text);
}

.wrap{ max-width: 1160px; margin: 0 auto; padding: 0 18px; }
.section{ padding: clamp(64px, 8vw, 92px) 0; border-top: 1px solid rgba(255,255,255,.08); }
.section-alt{
  background:
    radial-gradient(circle at 20% 10%, rgba(56,192,255,.12), transparent 55%),
    radial-gradient(circle at 90% 80%, rgba(56,192,255,.08), transparent 60%);
}

section{ scroll-margin-top: 96px; }

.glass{
  background: rgba(6, 16, 24, 0.62);
  border: 1px solid rgba(255,255,255,.10);
  backdrop-filter: blur(10px) saturate(140%);
}

/* Scroll progress */
#scroll-progress{
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  z-index: 99999;
}

/* Nav */
.nav-pin{ position: sticky; top: 0; z-index: 9999; }
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 14px;
}
.brand{ display:flex; align-items:center; gap: .75rem; text-decoration:none; color: var(--text); }
.brand-mark{
  width: 42px; height: 42px; border-radius: 999px;
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.10);
  display:grid; place-items:center;
  box-shadow: 0 0 0 1px rgba(56,192,255,.18);
}
.brand-mark img{ width: 42px; height: 42px; border-radius: 50%; }
.brand-name{
  font-family: var(--font-serif); /* Cinzel */
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.05rem;
}

.nav-list{
  list-style:none; margin:0; padding:0;
  display:flex; align-items:center; gap: 16px;
}
.nav a{ color: var(--muted); text-decoration:none; font-weight: 600; }
.nav a:hover, .nav a.active{ color: var(--accent-2); text-shadow: 0 0 12px rgba(56,192,255,.25); }

.nav-cta{ margin-left: 4px; }

/* Mobile nav toggle */
.nav-toggle{
  display:none;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
}
.nav-toggle span{
  display:block; height: 2px; margin: 7px 10px;
  background: var(--accent-2);
  border-radius: 2px;
}

/* Hero */
.hero{
  position: relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(56,192,255,.18), transparent 55%),
    radial-gradient(circle at 86% 80%, rgba(165,228,255,.12), transparent 58%),
    var(--bg);
  border-bottom: 1px solid rgba(255,255,255,.08);
    min-height: min(100vh, 860px);
  display: flex;
  align-items: center;
}

.hero-split{
  display:grid;
  grid-template-columns: minmax(0,1.15fr) minmax(0,1fr);
  gap: clamp(18px, 4vw, 44px);
  padding: clamp(38px, 3vw, 88px) 0;
  align-items:center;
}

.kicker{ display:flex; gap: 10px; flex-wrap:wrap; margin-bottom: 14px; }
.pill{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  color: var(--accent-2);
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.pill.ghost{ color: var(--muted); }

.headline{
  font-family: 'Cinzel', serif;
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1.06;
  font-size: clamp(2.3rem, 4.2vw, 3.4rem);
  margin: 0 0 14px;
  max-width: 18ch;
}
.headline-line{
  white-space: nowrap;
}
.grad{
  background: linear-gradient(90deg, var(--accent-2), var(--accent-1));
  -webkit-background-clip:text;
  -webkit-text-fill-color: transparent;
}
.subhead{ color: var(--muted); font-size: 1.05rem; max-width: 52ch; }

.cta-row{ display:flex; gap: 12px; flex-wrap:wrap; margin-top: 18px; }

.micro-proof{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 22px;
}
.stat{
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
}
.stat-top{ font-size: .8rem; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; }
.stat-big{ font-weight: 700; color: var(--accent-2); }

.hero-media .media-frame{
  position: relative;
  border-radius: 18px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  box-shadow: 0 18px 40px rgba(0,0,0,.55);
}
.media-frame img{ width:100%; height:auto; display:block; }
.media-glow{
  position:absolute; inset: -30%;
  background: radial-gradient(circle at 50% 50%, rgba(56,192,255,.22), transparent 55%);
  pointer-events:none;
  mix-blend-mode: screen;
}

.hero-badges{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
}
.badge{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
}
.badge-k{ font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; }
.badge-v{ font-weight: 800; color: var(--accent-2); }

/* Cards / grids */
.section-head{ text-align:center; margin-bottom: 26px; }
.section-title{
  font-family: 'Cinzel', serif;
  letter-spacing: .02em;
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
}
.section-title.left, .section-sub.left{ text-align:left; }
.section-sub{ color: var(--muted); max-width: 70ch; margin: 0 auto; }

.grid3{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}

.card{
  padding: 18px 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(circle at 25% 15%, rgba(56,192,255,.10), transparent 55%),
    rgba(0,0,0,.18);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card:hover{
  transform: translateY(-4px);
  border-color: rgba(56,192,255,.35);
  box-shadow: 0 18px 44px rgba(0,0,0,.55);
}
.card-top{ display:flex; align-items:center; gap: 10px; margin-bottom: 8px; }
.dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: var(--accent-1);
  box-shadow: 0 0 16px rgba(56,192,255,.35);
}
.card h3{ margin: 0; color: var(--accent-2); }
.card p{ margin: 10px 0 12px; color: var(--muted); }

.mini{ margin: 0; padding-left: 18px; color: var(--muted); }
.mini li{ margin: 6px 0; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 4vw, 44px);
  align-items:start;
}

/* Problem list */
.stack{ display:grid; gap: 12px; margin-top: 14px; }
.line-item{
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.16);
}
.tag{
  display:inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  color: var(--accent-2);
  margin-bottom: 8px;
  font-weight: 700;
  font-size: .86rem;
}
.line-item p{ margin: 0; color: var(--muted); }

/* Panel */
.panel{
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(circle at 80% 20%, rgba(56,192,255,.10), transparent 55%),
    rgba(0,0,0,.18);
}
.panel-head{ display:flex; gap: 10px; flex-wrap:wrap; margin-bottom: 10px; }
.panel-title{ margin: 0 0 8px; color: var(--accent-2); }
.panel-sub{ color: var(--muted); margin: 0 0 14px; }
.panel-grid{ display:grid; gap: 10px; margin-bottom: 14px; }
.pill.wide{ width: 100%; justify-content:flex-start; }

/* Rail */
.rail{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 14px;
}
.rail-card{
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(circle at 20% 15%, rgba(56,192,255,.10), transparent 60%),
    rgba(0,0,0,.18);
  transition: transform .22s ease, border-color .22s ease;
}
.rail-card:hover{ transform: translateY(-4px); border-color: rgba(56,192,255,.35); }
.rail-top{ display:flex; justify-content:space-between; gap: 8px; margin-bottom: 10px; }
.chip{
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  color: var(--accent-2);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  background: rgba(0,0,0,.18);
}
.chip.ghost{ color: var(--muted); }
.rail-card h3{ margin: 0 0 8px; color: var(--accent-2); }
.rail-card p{ margin: 0 0 12px; color: var(--muted); }

.kv{ display:grid; gap: 8px; }
.kv > div{ display:flex; align-items:baseline; justify-content:space-between; gap: 10px; }
.kv span{ color: var(--muted); }
.kv strong{ color: var(--text); }

/* Feature list */
.feature-list{ display:grid; gap: 14px; margin-top: 16px; }
.feat{
  display:flex; gap: 12px; align-items:flex-start;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.16);
}
.feat-ic{
  width: 34px; height: 34px;
  border-radius: 12px;
  display:grid; place-items:center;
  border: 1px solid rgba(255,255,255,.10);
  color: var(--accent-2);
  background: rgba(0,0,0,.18);
}
.feat h3{ margin: 0 0 6px; color: var(--accent-2); }
.feat p{ margin: 0; color: var(--muted); }

/* Stamp + imagery */
.stamp{
  display:flex; align-items:center; gap: 12px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
}
.stamp img{ width: 54px; height: 54px; border-radius: 50%; }
.stamp-title{ font-weight: 800; color: var(--accent-2); }
.stamp-sub{ color: var(--muted); font-size: .95rem; }

.img-card{
  margin-top: 14px;
  border-radius: 18px;
  overflow:visible;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  max-height: none;
}
.img-card img{
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
}

/* Pricing */
.price-card{
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
}
.price-card.featured{
  border-color: rgba(56,192,255,.45);
  box-shadow: 0 18px 44px rgba(0,0,0,.55);
}
.price-top h3{ margin: 0 0 6px; color: var(--accent-2); }
.price{ margin: 0; color: var(--muted); font-weight: 700; }
.price span{ color: var(--text); font-size: 1.6rem; font-weight: 900; margin-left: 6px; }
.price-sub{ margin: 8px 0 0; color: var(--muted); }

/* CTA strip */
.cta-strip{
  margin-top: 18px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(circle at 30% 20%, rgba(56,192,255,.12), transparent 60%),
    rgba(0,0,0,.18);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}
.cta-strip h3{ margin: 0 0 6px; color: var(--accent-2); }
.cta-strip p{ margin: 0; color: var(--muted); }

/* FAQ */
.faq{ max-width: 860px; margin: 0 auto; display:grid; gap: 10px; }
.faq-item{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  overflow:hidden;
}
.faq-item summary{
  cursor:pointer;
  padding: 14px 16px;
  color: var(--accent-2);
  font-weight: 800;
}
.faq-body{ padding: 0 16px 14px; color: var(--muted); }

/* Buttons (token-aware) */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  letter-spacing: .02em;
  text-decoration:none;
  transition: transform .18s ease, filter .18s ease, box-shadow .18s ease, background .18s ease;
  box-sizing: border-box;
}
.btn-mini{ padding: 10px 14px; font-size: .92rem; }
.btn-primary{
  background: var(--accent-1);
  color: #000;
  box-shadow: 0 0 20px rgba(56,192,255,.28);
}
.btn-primary:hover{ filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 0 28px rgba(56,192,255,.42); }
.btn-secondary{
  background: rgba(0,0,0,.18);
  border-color: rgba(255,255,255,.16);
  color: var(--accent-2);
}
.btn-secondary:hover{ background: rgba(255,255,255,.04); transform: translateY(-1px); }
.btn-block{ width: 100%; box-sizing: border-box; }
.price-card .btn-block{
  padding: 10px 14px;
  font-size: .95rem;
  margin-top: 12px;
}

/* Footer */
footer{
  padding: 46px 0;
  background:#040404;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-row{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 10px;
  text-align:center;
  padding: 0 18px;
}
.footer-logo{
  max-height: 80px;
  width: auto;
  height: auto;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 0 8px rgba(255,255,255,.06));
}
.footer-attribution{ font-size: .85rem; color: rgba(255,255,255,0.55); }
.footer-attribution a{ color: var(--accent-2); font-weight: 800; text-decoration: none; }
.footer-attribution a:hover{ color: var(--accent-1); text-decoration: none; }
.footer-copy{ font-size:.9rem; color: rgba(255,255,255,0.70); }
.muted{ color: var(--muted); }

/* Reveal */
.reveal{ opacity: 1; transform: none; }
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal:not(.is-visible){ opacity: 0; transform: translateY(12px); }

/* Back to top */
.back-to-top{
  position: fixed;
  right: 18px; bottom: 18px;
  width: 46px; height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(56,192,255,.45);
  background: rgba(0,0,0,.28);
  color: var(--accent-2);
  display:grid; place-items:center;
  cursor:pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events:none;
  transition: opacity .2s ease, transform .2s ease, box-shadow .2s ease;
}
.back-to-top.show{
  opacity: 1;
  transform: translateY(0);
  pointer-events:auto;
}
.back-to-top:hover{ box-shadow: 0 0 20px rgba(56,192,255,.25); }

/* Responsive */
@media (max-width: 980px){
  .hero-split{ grid-template-columns: 1fr; }
  .micro-proof{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .rail{ grid-template-columns: 1fr 1fr; }
  .grid3{ grid-template-columns: 1fr; }
  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .nav-list{
    position: absolute;
    right: 14px;
    top: calc(100% + 10px);
    width: min(320px, calc(100vw - 28px));
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-radius: 18px;
    background: rgba(6, 16, 24, 0.86);
    border: 1px solid rgba(255,255,255,.12);
    backdrop-filter: blur(10px) saturate(140%);
    display: none;
  }
  .nav-list.open{ display: flex; }
  .nav a{ padding: 10px 10px; border-radius: 12px; }
  .cta-strip{ flex-direction: column; text-align:center; }
}

@media (max-width: 560px){
  .rail{ grid-template-columns: 1fr; }
  .hero-badges{ grid-template-columns: 1fr; }
}
.section-cinematic{
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 12vh, 10rem) 0;
}

.cinematic-bg{
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 60% 50%,
      rgba(56,192,255,.25),
      rgba(0,0,0,.85) 65%
    ),
    url("images/techcoin-aialley.png") center / cover no-repeat;
  opacity: .4;
  filter: blur(1.5px) saturate(1.15);
  transform: scale(1.05);
  z-index: 0;
  background-attachment: fixed;
}

.section-cinematic .wrap{
  position: relative;
  z-index: 1;
}
.card .btn-block { margin-top: 12px; }
@media (max-width: 560px){
  .hero{
    min-height: auto;
    padding-top: 96px;
    padding-bottom: 64px;
  }
}
.hero-media img{
  max-height: 520px;
  object-fit: contain;
}
.nav-cta .btn-primary{
  box-shadow: 0 0 16px rgba(56,192,255,.35);
}
section[id]{
  scroll-margin-top: 96px;
}
.footer-disclaimer{
  font-size: .8rem;
  color: rgba(255,255,255,0.45);
  max-width: 860px;
  margin-top: 8px;
  text-align: center;
}