:root {
  color-scheme: dark;
  --bg: #05040a;
  --panel: rgba(12, 10, 22, .86);
  --panel-2: rgba(18, 13, 26, .82);
  --text: #fff7d6;
  --muted: #bdb2c8;
  --line: rgba(255, 232, 64, .22);
  --yellow: #fcee0a;
  --cyan: #00f5ff;
  --magenta: #ff2bd6;
  --red: #ff364e;
  --green: #35ff9d;
  --purple: #8f5cff;
  --black: #05040a;
  --shadow: 0 28px 90px rgba(0,0,0,.68), 0 0 36px rgba(0,245,255,.12);
  --panel-edge: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 16% 8%, rgba(255, 43, 214, .28), transparent 30rem),
    radial-gradient(circle at 86% 18%, rgba(0, 245, 255, .18), transparent 34rem),
    radial-gradient(circle at 48% 82%, rgba(252, 238, 10, .11), transparent 32rem),
    linear-gradient(135deg, #05040a 0%, #0b0711 40%, #020915 100%);
  color: var(--text);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

body::before {
  opacity: .16;
  background:
    linear-gradient(transparent 0 92%, rgba(0,245,255,.38) 93% 94%, transparent 95%) 0 0 / 100% 14px,
    linear-gradient(90deg, transparent 0 96%, rgba(252,238,10,.18) 97% 98%, transparent 99%) 0 0 / 22px 100%;
  mix-blend-mode: screen;
}

body::after {
  opacity: .62;
  background:
    linear-gradient(120deg, transparent 0 58%, rgba(252,238,10,.05) 58.2% 59%, transparent 59.2%),
    radial-gradient(circle at 50% 115%, rgba(0,245,255,.12), transparent 44rem);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .22;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, black 0%, transparent 86%);
}

.site-header,
main,
.site-footer { position: relative; z-index: 2; }
a { color: inherit; text-decoration: none; }
p { color: var(--muted); line-height: 1.7; }
h1, h2, h3 { margin: 0; letter-spacing: -.055em; }
h1 {
  font-size: clamp(3.25rem, 8.8vw, 8rem);
  line-height: .84;
  max-width: 10ch;
  text-shadow: 4px 0 0 rgba(255,43,214,.38), -3px 0 0 rgba(0,245,255,.32), 0 0 34px rgba(252,238,10,.12);
}
h2 { font-size: clamp(2rem, 4.5vw, 4.25rem); line-height: .96; }
h3 { font-size: 1.28rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .88rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(252,238,10,.26);
  background: rgba(5, 4, 10, .82);
  backdrop-filter: blur(18px) saturate(1.35);
  box-shadow: 0 0 0 1px rgba(0,245,255,.04), 0 12px 38px rgba(0,0,0,.42);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--yellow), var(--magenta), transparent);
  opacity: .75;
}

.brand {
  display: flex;
  align-items: center;
  gap: .85rem;
}

.brand-mark {
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(252,238,10,.74);
  border-radius: .2rem;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  background: linear-gradient(135deg, rgba(252,238,10,.95), rgba(0,245,255,.28) 54%, rgba(255,43,214,.18));
  color: #08070c;
  box-shadow: 0 0 34px rgba(252,238,10,.32), inset 0 0 18px rgba(255,255,255,.22);
  font-weight: 1000;
}

.brand strong, .brand small { display: block; }
.brand strong { text-transform: uppercase; letter-spacing: .02em; }
.brand small { color: var(--cyan); font-size: .72rem; margin-top: .1rem; text-transform: lowercase; }

nav {
  display: flex;
  align-items: center;
  gap: .35rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  padding: .72rem .9rem;
  border-radius: .2rem;
  font-size: .9rem;
  border: 1px solid transparent;
  text-transform: uppercase;
  letter-spacing: .06em;
}

nav a:hover, .nav-cta {
  color: var(--yellow);
  background: rgba(252,238,10,.075);
  border-color: rgba(252,238,10,.22);
  box-shadow: 0 0 20px rgba(252,238,10,.12);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, .95fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: center;
  padding: clamp(4rem, 9vw, 9rem) clamp(1rem, 4vw, 4rem) clamp(3rem, 7vw, 6rem);
  max-width: 1420px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: .24em;
  font-size: .76rem;
  font-weight: 1000;
  text-shadow: 0 0 14px rgba(0,245,255,.68);
}

.lede {
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  max-width: 43rem;
  color: #d9d0e4;
}

.hero-actions, .pill-row {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: .85rem 1.25rem;
  border-radius: .15rem;
  border: 1px solid var(--line);
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: .035em;
  clip-path: var(--panel-edge);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.button:hover { transform: translateY(-2px); }

.button.primary {
  color: #09080d;
  background: linear-gradient(135deg, var(--yellow), #ff9f1c 48%, var(--magenta));
  border-color: rgba(252,238,10,.68);
  box-shadow: 0 18px 44px rgba(252,238,10,.18), 0 0 28px rgba(255,43,214,.18);
}

.button.ghost {
  background: rgba(0,245,255,.06);
  color: var(--cyan);
  border-color: rgba(0,245,255,.34);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin: 2.25rem 0 0;
  max-width: 38rem;
}

.hero-stats div, .card, .terminal-card, .timeline li, .panel, .cta {
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(252,238,10,.055), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.035), transparent),
    var(--panel);
  box-shadow: var(--shadow);
  clip-path: var(--panel-edge);
}

.hero-stats div {
  padding: 1rem;
  min-height: 5.2rem;
}

.hero-stats div::before,
.card::before,
.timeline li::before,
.panel::before,
.cta::before {
  content: "";
  display: block;
  width: 2.6rem;
  height: 3px;
  margin: -.35rem 0 .7rem;
  background: linear-gradient(90deg, var(--yellow), var(--cyan));
  box-shadow: 0 0 16px rgba(0,245,255,.36);
}

dt { color: var(--cyan); font-size: .73rem; text-transform: uppercase; letter-spacing: .09em; }
dd { margin: .18rem 0 0; font-weight: 1000; color: var(--yellow); }

.terminal-card {
  border-radius: 0;
  overflow: hidden;
  transform: perspective(1000px) rotateY(-5deg) rotateX(3deg);
  position: relative;
}

.terminal-card::after {
  content: "SECURE LOOP // LOCAL ONLY";
  position: absolute;
  right: 1rem;
  bottom: .8rem;
  color: rgba(252,238,10,.45);
  font: 800 .68rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .12em;
}

.terminal-top {
  display: flex;
  align-items: center;
  gap: .4rem;
  min-height: 3rem;
  padding: 0 1rem;
  border-bottom: 1px solid rgba(0,245,255,.22);
  background: linear-gradient(90deg, rgba(252,238,10,.13), rgba(0,0,0,.5));
}

.terminal-top span {
  width: .7rem;
  height: .7rem;
  border-radius: 999px;
  background: var(--yellow);
  box-shadow: 0 0 14px rgba(252,238,10,.55);
}
.terminal-top span:nth-child(2) { background: var(--cyan); box-shadow: 0 0 14px rgba(0,245,255,.55); }
.terminal-top span:nth-child(3) { background: var(--magenta); box-shadow: 0 0 14px rgba(255,43,214,.55); }

.terminal-top p {
  margin-left: auto;
  font-size: .8rem;
  color: var(--yellow);
}

.terminal-body {
  padding: 1.4rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .95rem;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 100% 1.7rem,
    rgba(4,4,8,.48);
}

.terminal-body p { margin: .55rem 0; }
.terminal-body b { color: var(--yellow); }
.terminal-body i { color: var(--cyan); font-style: normal; }
.terminal-body .green, .green i { color: var(--green); text-shadow: 0 0 16px rgba(53,255,157,.45); }

.proof-chip {
  margin-top: 1.1rem;
  padding: .8rem;
  border: 1px solid rgba(53,255,157,.35);
  background: rgba(53,255,157,.09);
  color: var(--green);
  white-space: normal;
  clip-path: var(--panel-edge);
}

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 4rem);
}

.section-heading { max-width: 760px; margin-bottom: 2rem; }
.grid { display: grid; gap: 1rem; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { padding: 1.35rem; position: relative; }
.card h3, .timeline b { color: #fff9da; }
.card p { color: #c5bad0; }

.icon {
  display: inline-flex;
  color: var(--yellow);
  font-weight: 1000;
  margin-bottom: 1.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-shadow: 0 0 14px rgba(252,238,10,.5);
}

.split {
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  gap: 2rem;
  align-items: start;
}

.timeline {
  display: grid;
  gap: .9rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.timeline li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .25rem 1rem;
  padding: 1rem;
  position: relative;
}

.timeline span {
  grid-row: span 2;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: .1rem;
  background: rgba(252,238,10,.15);
  border: 1px solid rgba(252,238,10,.35);
  color: var(--yellow);
  font-weight: 1000;
}

.timeline b { padding-top: .2rem; }
.timeline p { margin: 0; }

.panel {
  background:
    radial-gradient(circle at 15% 20%, rgba(255,43,214,.24), transparent 23rem),
    radial-gradient(circle at 90% 15%, rgba(0,245,255,.18), transparent 18rem),
    var(--panel-2);
}

.pill-row span {
  border: 1px solid rgba(0,245,255,.24);
  border-radius: .1rem;
  padding: .72rem .95rem;
  background: rgba(0,245,255,.055);
  color: var(--cyan);
  text-transform: uppercase;
  font-size: .86rem;
  letter-spacing: .04em;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}

.cta {
  text-align: center;
}

.cta p {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.fineprint { font-size: .86rem; opacity: .76; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid rgba(252,238,10,.24);
  color: var(--muted);
  background: rgba(5,4,10,.7);
}

.site-footer p { margin: 0; }
.site-footer a { color: var(--cyan); }

@media (max-width: 880px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  nav { width: 100%; }
  .hero, .split, .grid.three { grid-template-columns: 1fr; }
  h1 { max-width: 12ch; }
  .terminal-card { transform: none; }
  .hero-stats { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: no-preference) {
  .terminal-card { animation: floaty 6s ease-in-out infinite; }
  .brand-mark { animation: sigilPulse 3.8s ease-in-out infinite; }
  .button.primary { animation: neonBreathe 4.8s ease-in-out infinite; }
  @keyframes floaty {
    0%, 100% { translate: 0 0; }
    50% { translate: 0 -10px; }
  }
  @keyframes sigilPulse {
    0%, 100% { filter: saturate(1); }
    50% { filter: saturate(1.6) brightness(1.12); }
  }
  @keyframes neonBreathe {
    0%, 100% { box-shadow: 0 18px 44px rgba(252,238,10,.18), 0 0 28px rgba(255,43,214,.18); }
    50% { box-shadow: 0 20px 54px rgba(252,238,10,.32), 0 0 42px rgba(0,245,255,.2); }
  }
}