:root {
  --bg-main: #0a0d14;
  --bg-card: #121824;
  --bg-card-hover: #1a2234;
  --border-color: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(56, 189, 248, 0.3);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --primary: #38bdf8;
  --primary-glow: rgba(56, 189, 248, 0.15);
  --accent-purple: #a855f7;
  --accent-green: #10b981;
  
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  overflow-x: hidden;
}

body {
  background: var(--bg-main);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--text-main);
}

.mono { font-family: 'JetBrains Mono', monospace; }
.page { padding: 0; }

.kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-glow);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border-accent);
  margin-bottom: 24px;
}
.kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #0284c7 100%);
  color: #000;
  border: none;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.5);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sm { padding: 8px 16px; font-size: 13px; }

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 20, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { width: 32px; height: 32px; filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.4)); }
.brand .word { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 17px; color: var(--text-main); }
.brand .word em { font-style: normal; color: var(--primary); }
.brand .tag { font-size: 10px; color: var(--text-dim); border-left: 1px solid var(--border-color); padding-left: 10px; margin-left: 4px; }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--text-muted); transition: color 0.2s ease; }
.nav-links a:hover { color: var(--primary); }

.menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 20px;
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  cursor: pointer;
}

/* HERO SECTION 2-COLUMN GRID */
.hero { padding: 60px 0 30px; }

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 40px;
}

.hero-left {
  flex: 1;
  max-width: 580px;
  text-align: left;
}

.hero h1 {
  font-size: clamp(32px, 4.5vw, 50px);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 u {
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* RIGHT SIDE GRAPHIC WRAPPER */
.hero-right-effect {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.graphic-container {
  width: 100%;
  max-width: 540px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-accent);
  box-shadow: 0 0 50px rgba(56, 189, 248, 0.22);
}

.hero-3d-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* DIAGRAM BLOCK */
.diagram-block {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 16px 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  overflow-x: auto;
}

.diagram-block svg { min-width: 600px; width: 100%; height: auto; }
.diagram-block svg rect[fill="#F5F6F1"] { fill: #1a2234 !important; stroke: var(--primary) !important; }
.diagram-block svg text { fill: var(--text-main) !important; }

.diagram-cap {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

.spec-table { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }

.spec-cell {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
}

.spec-cell .val {
  font-size: 28px;
  color: var(--primary);
  text-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
  font-weight: 700;
}

.spec-cell .lbl { color: var(--text-dim); font-size: 11px; margin-top: 4px; }

.legend-row { display: flex; flex-wrap: wrap; gap: 10px; padding: 20px 0; }

.legend-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12px;
  color: var(--text-muted);
}

.legend-chip .sw { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }

section { padding: 60px 0; }
.section-head { margin-bottom: 32px; }
.section-head h2 { font-size: clamp(24px, 3.5vw, 38px); margin-bottom: 10px; }
.section-head p { color: var(--text-muted); }

.service-row {
  display: grid;
  grid-template-columns: 50px 1fr 36px;
  gap: 16px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 12px;
  transition: all 0.2s ease;
}

.service-row:hover {
  border-color: var(--primary);
  transform: translateX(4px);
  background: var(--bg-card-hover);
}

.service-row .num { color: var(--primary); font-weight: 700; font-family: 'JetBrains Mono', monospace; }
.service-row h3 { font-size: 18px; margin-bottom: 4px; }
.service-row p { color: var(--text-muted); font-size: 13.5px; }
.service-row .icon { color: var(--primary); }

.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.step {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 18px;
}

.step .n {
  background: var(--primary-glow);
  color: var(--primary);
  border: 1px solid var(--border-accent);
  border-radius: 4px;
  padding: 2px 8px;
  font-family: 'JetBrains Mono', monospace;
}

.step h4 { font-size: 17px; margin: 14px 0 6px; }
.step p { color: var(--text-muted); font-size: 13px; }

.titleblock-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tb-copy { padding: 32px; }
.tb-copy p { color: var(--text-muted); margin-bottom: 14px; font-size: 14.5px; }
.tb-copy .founder-links { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }

.tb-block {
  background: rgba(0, 0, 0, 0.4);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.tb-row { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--border-color); flex: 1; }
.tb-row:last-child { border-bottom: none; }

.tb-cell { padding: 16px; }
.tb-cell .k { color: var(--text-dim); font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
.tb-cell .v { color: var(--primary); font-weight: 600; font-size: 14px; }

.cta-block {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(56, 189, 248, 0.08) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.cta-block h2 { font-size: clamp(24px, 3.5vw, 36px); margin-bottom: 12px; }
.cta-block p { color: var(--text-muted); margin-bottom: 28px; max-width: 520px; margin-left: auto; margin-right: auto; font-size: 14.5px; }

.stamp {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 84px;
  height: 84px;
  border: 1.5px dashed var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-12deg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 8.5px;
  letter-spacing: 0.05em;
  color: var(--primary);
  text-align: center;
  line-height: 1.3;
  padding: 6px;
  background: rgba(56, 189, 248, 0.05);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.15);
}

footer { border-top: 1px solid var(--border-color); padding: 48px 0 28px; background: #06080e; }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px; margin-bottom: 36px; }
.footer-brand p { color: var(--text-muted); font-size: 13px; max-width: 280px; margin-top: 12px; }
.footer-col h5 { font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--primary); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 13.5px; color: var(--text-muted); margin-bottom: 8px; transition: color 0.15s ease; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--border-color); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--text-dim); }

/* MOBILE RESPONSIVE FIXES */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .brand .tag { display: none; }
  .hero-top { flex-direction: column; text-align: left; }
  .hero-left { max-width: 100%; }
  .hero-right-effect { width: 100%; }
}

@media (max-width: 820px) {
  .wrap { padding: 0 16px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .spec-table { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: 1fr; }
  .titleblock-wrap { grid-template-columns: 1fr; }
  .tb-copy { padding: 24px 20px; }
  .tb-block { border-left: none; border-top: 1px solid var(--border-color); }
  .service-row { grid-template-columns: 36px 1fr; }
  .service-row .icon { display: none; }
  .stamp { position: relative; top: 0; right: 0; margin: 0 auto 20px; }
  .footer-grid { flex-direction: column; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}