/*!
 * JayShield landing page by JayHackPro
 * Released under JayHackPro® Inc. Designed by Jayden Yoon ZK.
 * https://github.com/JayHackPro/JayShield
 */

:root {
  --bg: #050807;
  --bg-2: #0a0f0c;
  --panel: #0b120e;
  --panel-2: #0f1813;
  --line: rgba(78, 240, 138, 0.14);
  --line-strong: rgba(78, 240, 138, 0.30);
  --green: #46f08a;
  --green-bright: #8effb6;
  --green-dim: #2aa863;
  --glow: rgba(70, 240, 138, 0.42);
  --ink: #cfdacf;
  --ink-soft: #9db0a2;
  --ink-dim: #66786c;
  --crit: #ff5c5c;
  --high: #ff9d3c;
  --med: #ffd23c;
  --low: #57c8ff;
  --mono: "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1120px;
}

* { margin: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background:
    radial-gradient(1200px 620px at 78% -8%, rgba(70, 240, 138, 0.10), transparent 62%),
    radial-gradient(1000px 700px at -10% 12%, rgba(40, 170, 100, 0.08), transparent 60%),
    radial-gradient(900px 900px at 50% 120%, rgba(70, 240, 138, 0.06), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Film grain, so the gradients never band. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
}

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-bright); }

/* Themed highlight: selecting text looks like a selection in a green terminal. */
::selection { background: #46f08a; color: #04140a; text-shadow: none; }
::-moz-selection { background: #46f08a; color: #04140a; text-shadow: none; }

/* A cool, on brand scrollbar: a glowing green thumb on a deep track. */
html { scrollbar-color: #46f08a #080d0a; scrollbar-width: thin; }
::-webkit-scrollbar { width: 13px; height: 13px; }
::-webkit-scrollbar-track { background: #080d0a; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #5ff39a, #2ea866);
  border-radius: 10px;
  border: 3px solid #080d0a;
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.45), 0 0 8px rgba(70, 240, 138, 0.35);
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #8effb6, #46f08a); }
::-webkit-scrollbar-corner { background: #080d0a; }

/* Back to top: a terminal chip that expands to a shell command on hover. */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; min-width: 48px; padding: 0 14px;
  background: var(--panel); color: var(--green);
  border: 1px solid var(--line-strong); border-radius: 13px;
  font-family: var(--mono); font-size: 0.9rem; font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
  opacity: 0; transform: translateY(14px) scale(0.96); pointer-events: none;
  transition: opacity 0.28s ease, transform 0.28s ease, box-shadow 0.24s ease, border-color 0.2s ease, color 0.2s ease;
}
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover {
  color: var(--green-bright); border-color: var(--green); transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 24px rgba(70, 240, 138, 0.35);
}
.to-top:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
/* Arrow sits dead-center of the collapsed square; the label grows to its
   right on hover via its own margin, so there is no stray gap when hidden. */
.to-top .tt-arrow { font-size: 0.8rem; line-height: 1; display: grid; place-items: center; text-shadow: 0 0 12px var(--glow); animation: tt-bob 2.4s ease-in-out infinite; }
.to-top .tt-label { max-width: 0; margin-left: 0; overflow: hidden; white-space: nowrap; opacity: 0; transition: max-width 0.3s ease, margin-left 0.3s ease, opacity 0.22s ease; }
.to-top:hover .tt-label { max-width: 76px; margin-left: 9px; opacity: 1; }
@keyframes tt-bob { 0%, 100% { transform: translateY(1.5px); } 50% { transform: translateY(-1.5px); } }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 200;
  transform: translateY(-250%);
  background: var(--green); color: #04140a;
  font-family: var(--mono); font-weight: 700; font-size: 0.85rem;
  padding: 10px 16px; border-radius: 8px;
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

/* Matrix rain, kept faint and masked out of the central reading column so it
   lives quietly in the margins and never competes with the text. */
.rain {
  position: fixed; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  opacity: 0.2;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.04) 22%, rgba(0, 0, 0, 0.04) 78%, #000 100%);
  mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.04) 22%, rgba(0, 0, 0, 0.04) 78%, #000 100%);
}

/* Cursor trail: the pointer drips binary code. Painted by app.js. The explicit
   width and height keep the canvas 1:1 with the viewport on high density
   screens, so the digits land right on the cursor instead of drifting away. */
.cursor-trail {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 60; pointer-events: none;
}
@media (prefers-reduced-motion: reduce), (pointer: coarse) {
  .cursor-trail { display: none; }
}

/* A slow, faint scan beam that drifts down the page. */
.scanline {
  position: fixed; left: 0; right: 0; top: 0; height: 180px; z-index: 2;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(70, 240, 138, 0.025) 60%, rgba(70, 240, 138, 0.05));
  border-bottom: 1px solid rgba(70, 240, 138, 0.07);
  animation: sweep 15s linear infinite;
}
@keyframes sweep {
  0% { transform: translateY(-180px); opacity: 0; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  100% { transform: translateY(100vh); opacity: 0; }
}

/* Everything above the rain and grain. */
.nav, .hero, main, .footer { position: relative; z-index: 4; }

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 8, 7, 0.72);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); font-family: var(--mono); }
.brand-mark { filter: drop-shadow(0 0 8px var(--glow)); flex: none; }
.brand-name { font-weight: 700; letter-spacing: -0.01em; font-size: 1.02rem; }
.brand-by { color: var(--ink-dim); font-weight: 400; }
.nav-links { display: flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 0.86rem; }
.nav-links a { color: var(--ink-soft); padding: 8px 12px; border-radius: 8px; transition: color 0.15s ease, background 0.15s ease; }
.nav-links a:hover { color: var(--green-bright); background: rgba(70, 240, 138, 0.08); }
.nav-ext { border: 1px solid var(--line); }
.nav-ext:hover { border-color: var(--line-strong); }
.nav-npm { color: var(--green); }

/* Hero */
.hero { padding: 62px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.eyebrow {
  font-family: var(--mono); font-size: 0.82rem; color: var(--ink-soft);
  letter-spacing: 0.02em; margin-bottom: 20px;
  display: inline-block;
  padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(70, 240, 138, 0.04);
}
.prompt { color: var(--green); font-weight: 700; }
.tilde { color: var(--green-dim); }
h1 {
  font-family: var(--mono); font-weight: 800; letter-spacing: -0.03em;
  font-size: clamp(2.1rem, 5.4vw, 3.5rem); line-height: 1.04;
  color: #f0fff5;
  text-shadow: 0 0 28px rgba(70, 240, 138, 0.18);
  margin-bottom: 20px;
}
.lede { font-size: 1.1rem; color: var(--ink-soft); max-width: 34em; margin-bottom: 28px; }
.lede strong { color: var(--green-bright); font-weight: 600; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 30px; }
.copy-cmd {
  display: inline-flex; align-items: center; gap: 11px;
  font-family: var(--mono); font-size: 0.92rem;
  background: var(--panel); color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: 11px;
  padding: 13px 16px; cursor: pointer;
  box-shadow: 0 0 0 rgba(70, 240, 138, 0);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.06s ease;
}
.copy-cmd:hover { border-color: var(--green); box-shadow: 0 0 22px rgba(70, 240, 138, 0.18); }
.copy-cmd:active { transform: translateY(1px); }
.copy-cmd code { color: var(--green-bright); background: none; }
.copy-prompt { color: var(--green); font-weight: 700; }
.copy-icon { color: var(--ink-dim); font-size: 1.05rem; }
.copy-cmd.copied { border-color: var(--green); }
.copy-cmd.copied .copy-icon::after { content: " copied"; color: var(--green); font-size: 0.8rem; }

.btn-ghost {
  font-family: var(--mono); font-size: 0.9rem;
  padding: 13px 18px; border: 1px solid var(--line-strong); border-radius: 11px;
  color: var(--ink); transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.btn-ghost:hover { border-color: var(--green); color: var(--green-bright); background: rgba(70, 240, 138, 0.06); }

.hero-facts {
  list-style: none; display: flex; flex-wrap: wrap; gap: 26px;
  font-family: var(--mono); font-size: 0.82rem; color: var(--ink-dim);
  padding-top: 22px; border-top: 1px solid var(--line);
}
.hero-facts b { color: var(--green); font-weight: 700; font-size: 1.15rem; margin-right: 4px; }

/* Terminal */
.terminal {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line-strong); border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 60px rgba(70, 240, 138, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.03);
  overflow: hidden;
  min-height: 400px;
  display: flex; flex-direction: column;
}
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px; border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot-r { background: #ff5f56; } .dot-y { background: #ffbd2e; } .dot-g { background: #27c93f; }
.term-title { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-dim); margin-left: 8px; }
.term-replay {
  margin-left: auto; background: none; border: 1px solid var(--line);
  color: var(--ink-soft); border-radius: 7px; width: 26px; height: 26px;
  cursor: pointer; font-size: 0.9rem; line-height: 1; transition: all 0.15s ease;
}
.term-replay:hover { color: var(--green); border-color: var(--green); }
.term-body {
  font-family: var(--mono); font-size: 0.83rem; line-height: 1.75;
  padding: 16px 18px; flex: 1;
  white-space: pre-wrap; overflow-wrap: break-word;
}
/* Keep flags and paths from breaking across a line at their hyphens or slashes. */
.nb { white-space: nowrap; }
.t-line { display: block; }
.t-cmd { color: var(--ink); }
.t-cmd .g { color: var(--green); font-weight: 700; }
.t-dim { color: var(--ink-dim); }
.t-head { color: var(--green-bright); font-weight: 700; }
.t-path { color: var(--ink); font-weight: 700; }
.t-desc { color: var(--ink-soft); }
.t-ok { color: var(--green); font-weight: 700; }
/* The JayHackPro startup banner inside the demo terminal. The block art shows
   on wider terminals; narrow ones fall back to the compact mark, exactly like
   the real CLI. */
.t-banner { display: block; }
.t-ascii {
  display: block; white-space: pre; color: var(--green-bright);
  font-size: 9px; line-height: 1.08; letter-spacing: 0;
  text-shadow: 0 0 8px rgba(70, 240, 138, 0.35); overflow: hidden;
}
.t-compact { display: none; color: var(--green-bright); font-weight: 700; text-shadow: 0 0 10px rgba(70, 240, 138, 0.4); }
.t-sub { color: var(--green-bright); font-weight: 700; }
@media (max-width: 620px) {
  .t-ascii { display: none; }
  .t-compact { display: block; }
}
.sv-crit { color: var(--crit); font-weight: 700; }
.sv-high { color: var(--high); font-weight: 700; }
.sv-med { color: var(--med); font-weight: 700; }
.sv-low { color: var(--low); font-weight: 700; }
.chip { color: #04140a; border-radius: 5px; padding: 0 7px; font-weight: 700; font-size: 0.78rem; }
.chip.c { background: var(--crit); } .chip.h { background: var(--high); }
.caret { display: inline-block; width: 8px; background: var(--green); animation: blink 1s step-end infinite; }
.caret::after { content: "\00a0"; }
@keyframes blink { 50% { opacity: 0; } }

/* At a glance strip */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(70, 240, 138, 0.025); }
.strip-row {
  display: flex; flex-wrap: wrap; gap: 14px 34px; justify-content: center;
  padding: 18px 24px; font-family: var(--mono); font-size: 0.84rem; color: var(--ink-soft);
}
.tick { color: var(--green); margin-right: 7px; }

/* Sections */
.section { padding: 84px 0; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(70, 240, 138, 0.02), transparent); }
.kicker { font-family: var(--mono); font-size: 0.8rem; color: var(--green); letter-spacing: 0.08em; margin-bottom: 14px; }
h2 {
  font-family: var(--mono); font-weight: 800; letter-spacing: -0.02em;
  font-size: clamp(1.6rem, 3.6vw, 2.3rem); line-height: 1.12; color: #eafff2; margin-bottom: 14px;
}
.section-lede { color: var(--ink-soft); font-size: 1.06rem; max-width: 56ch; margin-bottom: 40px; }

/* Detection cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 26px 24px; transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: 14px;
  background: radial-gradient(400px 120px at 50% -20%, rgba(70, 240, 138, 0.10), transparent 70%);
  opacity: 0; transition: opacity 0.25s ease;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-3px); box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4); }
.card:hover::before { opacity: 1; }
.card-ico {
  width: 46px; height: 46px; display: grid; place-items: center;
  background: rgba(70, 240, 138, 0.08); border: 1px solid var(--line); border-radius: 11px; margin-bottom: 16px;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.card-ico svg { width: 24px; height: 24px; color: var(--green); filter: drop-shadow(0 0 5px rgba(70, 240, 138, 0.28)); }
.card:hover .card-ico { background: rgba(70, 240, 138, 0.12); border-color: var(--line-strong); }
.card h3 { font-family: var(--mono); font-size: 1.06rem; color: #eafff2; margin-bottom: 8px; }
.card p { color: var(--ink-soft); font-size: 0.95rem; }

/* How it works */
.how-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.how-list { list-style: none; display: flex; flex-direction: column; gap: 18px; margin: 8px 0 22px; }
.how-list li { display: flex; gap: 16px; align-items: flex-start; }
.how-num { font-family: var(--mono); color: var(--green); font-weight: 700; font-size: 0.9rem; border: 1px solid var(--line-strong); border-radius: 8px; padding: 4px 9px; flex: none; }
.how-list b { color: #eafff2; }
.how-list div { color: var(--ink-soft); }
.how-note { font-size: 0.92rem; color: var(--ink-dim); font-family: var(--mono); }
.how-term { display: flex; }
.mini-term {
  width: 100%; background: var(--panel); border: 1px solid var(--line-strong); border-radius: 12px;
  padding: 20px; font-family: var(--mono); font-size: 0.86rem; line-height: 2.1;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 40px rgba(70, 240, 138, 0.05);
}
.mini-line { display: block; color: var(--ink); }
.mini-line.dim { color: var(--ink-dim); }
.mini-line.ok { color: var(--green); font-weight: 700; margin-top: 6px; }
.mp { color: var(--green); font-weight: 700; margin-right: 8px; }

/* Install */
.install-wrap { text-align: center; }
.install-wrap .kicker, .install-wrap .section-lede { margin-left: auto; margin-right: auto; }
.install-wrap .section-lede { text-align: center; }
.install-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 8px 0 26px; text-align: left; }
.install-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.install-label { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-dim); margin-bottom: 12px; }
.copy-cmd.wide { width: 100%; justify-content: flex-start; align-items: flex-start; font-size: 0.83rem; }
.copy-cmd.wide code { text-align: left; }
.copy-cmd.wide .copy-icon { margin-left: auto; }
.install-foot { font-size: 0.92rem; color: var(--ink-soft); }
.install-foot code { font-family: var(--mono); color: var(--green); background: rgba(70, 240, 138, 0.08); padding: 1px 6px; border-radius: 5px; }

/* Brand */
.section-brand { border-top: 1px solid var(--line); }
.brand-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }
.reg { font-size: 0.5em; vertical-align: super; color: var(--green); }
.brand-slogan { font-family: var(--mono); color: var(--green-bright); font-size: 1.15rem; margin: 22px 0; text-shadow: 0 0 20px rgba(70, 240, 138, 0.2); }
.brand-links { display: flex; flex-wrap: wrap; gap: 10px 22px; font-family: var(--mono); font-size: 0.9rem; }
.brand-card {
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: 14px; padding: 24px;
  font-family: var(--mono); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 40px rgba(70, 240, 138, 0.05);
}
.bc-prompt { color: var(--green); font-size: 0.9rem; margin-bottom: 16px; }
.cursor { color: var(--green); animation: blink 1.1s step-end infinite; }
.bc-lines { display: flex; flex-direction: column; gap: 11px; font-size: 0.92rem; color: var(--ink); }
.bc-lines .ok { color: var(--green); margin-right: 8px; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 40px 0 60px; background: rgba(4, 8, 6, 0.6); }
.foot-grid { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.foot-brand { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-weight: 700; color: var(--ink); }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; font-family: var(--mono); font-size: 0.88rem; }
.foot-links a { color: var(--ink-soft); }
.foot-links a:hover { color: var(--green-bright); }
.foot-legal { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 20px; font-size: 0.85rem; color: var(--ink-dim); }
.foot-legal a { color: var(--ink-soft); }
.foot-legal strong a, .foot-legal a strong { color: var(--green); }
.foot-design a { color: var(--green); }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .how-grid, .brand-grid { grid-template-columns: 1fr; gap: 34px; }
  .cards, .install-cards { grid-template-columns: 1fr 1fr; }
  .terminal { min-height: 340px; }
  .nav-links a:not(.nav-ext) { display: none; }
  .how-term { order: -1; }
}
@media (max-width: 560px) {
  .hero { padding: 40px 0 24px; }
  .section { padding: 60px 0; }
  .cards, .install-cards { grid-template-columns: 1fr; }
  .hero-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
  .copy-cmd { font-size: 0.8rem; padding: 12px 13px; }
  .copy-cmd code { font-size: 0.78rem; }
  .foot-grid, .foot-legal { flex-direction: column; align-items: flex-start; }
  .brand-name .brand-by { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scanline, .caret, .cursor, .to-top .tt-arrow { animation: none; }
  .scanline { display: none; }
  .card, .to-top { transition: opacity 0.2s ease; }
}