/*
 * Safe-Desk public pages (front page, security). SOPHIA XT navy and cyan,
 * cut corners and hairlines instead of round pills, a bold sans display against
 * mono labels. Mobile first; no horizontal scroll at 360px.
 *
 * @author Thomas G. and Sophia, SOPHIA XT LLC (sophiaxt.com)
 */

/* Palette and type. */
:root {
  --bg: #060d18; --bg-2: #081223; --panel: #0b1626; --line: rgba(255,255,255,0.09);
  --text: #e3eaf2; --muted: #93a3b6; --cyan: #00d4ff; --cyan-soft: #8fe9ff; --ember: #ff6b35; --mint: #66ffe0;
  --display: "IBM Plex Sans", ui-sans-serif, "Segoe UI", system-ui, sans-serif;
  --sans: "IBM Plex Sans", ui-sans-serif, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --cut: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.site { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.65 var(--sans); position: relative; }
/* The security grid: fine blueprint lines, a coarser lattice with node marks,
   a vignette so text stays readable, and one slow scan line. CSS only. */
body.site::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(ellipse at 30% 0%, rgba(0,212,255,0.10), transparent 55%),
    radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(6,13,24,0.85) 100%),
    radial-gradient(circle, rgba(0,212,255,0.35) 1.2px, transparent 1.6px) 0 0 / 96px 96px,
    linear-gradient(rgba(0,212,255,0.07) 1px, transparent 1px) 0 0 / 96px 96px,
    linear-gradient(90deg, rgba(0,212,255,0.07) 1px, transparent 1px) 0 0 / 96px 96px,
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 24px 24px,
    var(--bg);
}
body.site::after {
  content: ""; position: fixed; left: 0; right: 0; top: -20vh; height: 20vh; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(0,212,255,0.035) 85%, rgba(0,212,255,0.12) 100%);
  animation: scan 9s linear infinite;
}
@keyframes scan { to { transform: translateY(140vh); } }
a { color: var(--cyan); }
h1, h2, h3 { margin: 0; font-weight: 400; }
h2 { font: 600 clamp(1.7rem, 3.6vw, 2.4rem)/1.15 var(--display); letter-spacing: -0.02em; max-width: 24ch; margin-top: 10px; }
h3 { font: 600 18px/1.3 var(--sans); }
p { margin: 12px 0 0; }
.kicker { margin: 0; font: 500 12px var(--mono); letter-spacing: .24em; text-transform: uppercase; color: var(--cyan); display: flex; align-items: center; gap: 10px; }
.kicker::before { content: ""; width: 9px; height: 9px; border: 1px solid var(--cyan); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 88px 24px; }
.band { background: rgba(8,18,35,0.82); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sub { color: var(--muted); max-width: 70ch; }
.two-col { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 48px; align-items: start; }

/* Buttons: cut corners, no pills. */
.btn { display: inline-block; background: var(--cyan); color: #03121c; font: 600 15px var(--sans); padding: 13px 22px; text-decoration: none; clip-path: var(--cut); }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: none; color: var(--text); border: 1px solid rgba(255,255,255,0.18); clip-path: none; }
.btn.ghost:hover { border-color: var(--cyan); }

/* Top bar. */
.top { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 24px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(6,13,24,0.94); z-index: 5; }
.lockup { display: flex; align-items: baseline; gap: 12px; text-decoration: none; color: var(--text); white-space: nowrap; }
.mark { font: 600 11px var(--mono); letter-spacing: .28em; color: var(--cyan); }
.name { font: 600 19px var(--display); letter-spacing: -0.01em; }
.top nav { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.top nav a:hover { color: var(--text); }
.top nav a.cta { color: #03121c; background: var(--cyan); padding: 8px 14px; clip-path: var(--cut); font-weight: 600; }

/* Hero. */
.hero { max-width: 1120px; margin: 0 auto; padding: 88px 24px 72px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 56px; align-items: center; }
.hero h1 { font: 600 clamp(2.2rem, 5vw, 3.6rem)/1.08 var(--display); letter-spacing: -0.03em; margin-top: 16px; max-width: 17ch; }
.hero h1 em { font-style: normal; color: var(--cyan); }
.rule { height: 1px; width: min(280px, 50%); margin-top: 26px; background: linear-gradient(90deg, var(--cyan), transparent); transform-origin: left; animation: draw 900ms cubic-bezier(.22,.61,.36,1) 200ms both; }
@keyframes draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.lead { font-size: 18.5px; color: #c9d5e2; max-width: 56ch; margin-top: 24px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.fine { color: var(--muted); font: 13px var(--mono); margin-top: 16px; }

/* The worked example. */
.example { margin: 0; border-left: 1px solid rgba(0,212,255,0.3); padding-left: 22px; display: grid; gap: 14px; }
.ex-label { font: 11px var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.ex-step { background: rgba(11,22,38,0.78); backdrop-filter: blur(1.5px); border: 1px solid var(--line); padding: 14px 16px; clip-path: var(--cut); }
.ex-step p { margin: 6px 0 0; font-size: 15px; }
.ex-step b { font: 500 14px var(--mono); color: var(--text); }
.ex-step.ai { border-color: rgba(0,212,255,0.35); }
.ex-step.ai b { color: var(--cyan-soft); }
.ex-step.owner p { font: 13px var(--mono); color: var(--muted); }
.ex-tag { font: 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); }

/* Panels and grids. */
.panel { background: rgba(11,22,38,0.92); border: 1px solid var(--line); padding: 24px; clip-path: var(--cut); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 36px; }
.steps .num { font: 600 13px var(--mono); color: var(--cyan); }
.steps h3 { margin-top: 12px; }
.steps p, .grid p { color: var(--muted); font-size: 15.5px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 32px; }
.ref { display: block; margin-top: 14px; font: 11.5px var(--mono); color: var(--cyan-soft); border-left: 1px solid rgba(0,212,255,0.4); padding-left: 8px; }
.ticks { list-style: none; padding: 0; margin: 8px 0 0; }
.ticks li { padding: 10px 0 10px 22px; border-bottom: 1px solid var(--line); position: relative; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 19px; width: 8px; height: 8px; background: var(--cyan); }

/* How-it-works flow diagram: figure frame and caption. The tall drawing is the
   default; the wide one takes over once there is room for 13px labels. */
.hw { margin: 36px 0 0; padding: 24px; border: 1px solid var(--line); background: rgba(6,13,24,0.72); clip-path: var(--cut); }
.hw svg { display: block; width: 100%; height: auto; overflow: visible; }
.hw .hw-wide { display: none; }
.hw .hw-tall { max-width: 420px; }
.hw figcaption { margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; max-width: 72ch; }

/* Diagram boxes: panels, the gate, the owner branch, the stop branch, the extension lane. */
.hw-box { fill: rgba(11,22,38,0.95); stroke: rgba(255,255,255,0.16); stroke-width: 1; }
.hw-box.gate { fill: rgba(0,212,255,0.06); stroke: var(--cyan); }
.hw-box.owner { stroke: rgba(143,233,255,0.45); }
.hw-box.stop { stroke: rgba(255,107,53,0.65); }
.hw-box.lane { fill: rgba(11,22,38,0.6); stroke: rgba(0,212,255,0.45); stroke-dasharray: 3 5; }
.hw-hair { stroke: rgba(0,212,255,0.3); stroke-width: 1; }
.hw-x { stroke: var(--ember); stroke-width: 2; fill: none; }

/* Diagram lines: dashed flow in the direction of travel. Mint carries real
   values, cyan carries placeholders, ember goes nowhere. */
.hw-line { fill: none; stroke: var(--cyan); stroke-width: 1.5; stroke-dasharray: 6 6; animation: hw-flow 1.1s linear infinite; }
.hw-line.real { stroke: var(--mint); }
.hw-line.side { stroke: var(--cyan-soft); stroke-dasharray: 2 5; opacity: 0.8; }
.hw-line.stop { stroke: var(--ember); stroke-dasharray: 2 5; }
@keyframes hw-flow { to { stroke-dashoffset: -12; } }

/* Diagram text: mono labels and values, Plex for the gate's steps. */
.hw-k { font-family: var(--mono); font-size: 13px; font-weight: 500; letter-spacing: .14em; fill: var(--cyan); }
.hw-k.stop { fill: var(--ember); }
.hw-m { font-family: var(--mono); font-size: 13px; fill: var(--muted); }
.hw-v { font-family: var(--mono); font-size: 13px; font-weight: 500; fill: var(--text); }
.hw-v.real { fill: var(--mint); }
.hw-v.ph { fill: var(--cyan-soft); }
.hw-t { font-family: var(--mono); font-size: 13px; fill: var(--muted); letter-spacing: .08em; }
.hw-s { font-family: var(--sans); font-size: 15px; fill: var(--text); }
.hw-n { font-family: var(--mono); font-size: 13px; font-weight: 600; fill: var(--cyan); }

/* Travelling packets: hidden until they are on a leg. Real values ride the
   staff legs, placeholders ride the AI legs. Transform and opacity only. */
.hw-dot { opacity: 0; animation: 8s linear infinite; }
.hw-dot.real { fill: var(--mint); }
.hw-dot.ph { fill: var(--cyan); }
.hw-dot.real.w { animation-name: hw-real-w; }
.hw-dot.ph.w { animation-name: hw-ph-w; }
.hw-dot.real.t { animation-name: hw-real-t; }
.hw-dot.ph.t { animation-name: hw-ph-t; }
@keyframes hw-real-w {
  0% { transform: translate(204px,130px); opacity: 0; } 2% { transform: translate(210px,130px); opacity: 1; }
  14% { transform: translate(386px,130px); opacity: 1; } 16% { transform: translate(392px,130px); opacity: 0; }
  78% { transform: translate(392px,210px); opacity: 0; } 80% { transform: translate(386px,210px); opacity: 1; }
  92% { transform: translate(210px,210px); opacity: 1; } 94%, 100% { transform: translate(204px,210px); opacity: 0; }
}
@keyframes hw-ph-w {
  0%, 28% { transform: translate(724px,130px); opacity: 0; } 30% { transform: translate(730px,130px); opacity: 1; }
  42% { transform: translate(906px,130px); opacity: 1; } 44% { transform: translate(912px,130px); opacity: 0; }
  52% { transform: translate(912px,210px); opacity: 0; } 54% { transform: translate(906px,210px); opacity: 1; }
  66% { transform: translate(730px,210px); opacity: 1; } 68%, 100% { transform: translate(724px,210px); opacity: 0; }
}
@keyframes hw-real-t {
  0% { transform: translate(40px,62px); opacity: 0; } 2% { transform: translate(40px,66px); opacity: 1; }
  14% { transform: translate(40px,100px); opacity: 1; } 16% { transform: translate(40px,104px); opacity: 0; }
  78% { transform: translate(40px,490px); opacity: 0; } 80% { transform: translate(40px,494px); opacity: 1; }
  92% { transform: translate(40px,528px); opacity: 1; } 94%, 100% { transform: translate(40px,532px); opacity: 0; }
}
@keyframes hw-ph-t {
  0%, 28% { transform: translate(40px,266px); opacity: 0; } 30% { transform: translate(40px,270px); opacity: 1; }
  42% { transform: translate(40px,304px); opacity: 1; } 44% { transform: translate(40px,308px); opacity: 0; }
  52% { transform: translate(40px,378px); opacity: 0; } 54% { transform: translate(40px,382px); opacity: 1; }
  66% { transform: translate(40px,416px); opacity: 1; } 68%, 100% { transform: translate(40px,420px); opacity: 0; }
}

/* Wide diagram once the column is broad enough to keep its text at 11px or more. */
@media (min-width: 1080px) {
  .hw .hw-wide { display: block; }
  .hw .hw-tall { display: none; }
}
/* Phones: thinner frame padding. */
@media (max-width: 480px) { .hw { padding: 12px 8px; } .hw figcaption { margin-top: 14px; padding: 12px 6px 0; } }

/* Pricing. */
.price-card { max-width: 520px; margin-top: 32px; }
.amount .big { font: 600 52px/1 var(--display); letter-spacing: -0.03em; }
.amount span:last-child { color: var(--muted); }
.price-card .btn { margin-top: 22px; }

/* FAQ. */
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; max-width: 820px; }
.faq details:first-of-type { margin-top: 28px; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; }
.faq summary::before { content: "+"; font-family: var(--mono); color: var(--cyan); margin-right: 12px; }
.faq details[open] summary::before { content: "−"; }
.faq p { color: #c9d5e2; }

/* Close and footer. */
.close { text-align: left; max-width: 1120px; margin: 0 auto; padding: 72px 24px 96px; border-top: 1px solid var(--line); }
.close h2 { max-width: 24ch; }
.close .btn { margin-top: 26px; }
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 26px 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

/* Security page. */
.doc { max-width: 860px; margin: 0 auto; padding: 72px 24px 96px; }
.doc h1 { font: 600 clamp(2rem, 4.6vw, 3rem)/1.1 var(--display); letter-spacing: -0.03em; margin-top: 14px; }
.doc h2 { margin-top: 52px; font-size: clamp(1.6rem, 3.4vw, 2.1rem); max-width: none; }
.doc table { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 15px; }
.doc th { text-align: left; font: 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); padding: 8px 10px 8px 0; }
.doc td { border-bottom: 1px solid var(--line); padding: 10px 10px 10px 0; vertical-align: top; }
.status { font: 12px var(--mono); padding: 2px 8px; border: 1px solid var(--line); white-space: nowrap; }
.status.done { color: var(--mint); border-color: rgba(102,255,224,0.35); }
.status.next { color: #ffc857; border-color: rgba(255,200,87,0.4); }

@media (prefers-reduced-motion: reduce) { .rule { animation: none; } html { scroll-behavior: auto; } body.site::after { animation: none; display: none; } .hw-line { animation: none; } .hw-dot { animation: none; display: none; } }
@media (max-width: 880px) {
  .hero, .two-col { grid-template-columns: 1fr; gap: 36px; }
  .steps, .grid { grid-template-columns: 1fr; }
  .wrap { padding: 64px 20px; }
  .hero { padding: 56px 20px; }
  .top { padding: 12px 16px; }
  .top nav { gap: 14px; flex-wrap: nowrap; }
  .top nav a:not(.cta) { display: none; }
  .mark { display: none; }
  .top nav a[href="/app"] { display: inline; }
  .doc table, .doc tbody, .doc tr, .doc td { display: block; }
  .doc tr:first-child { display: none; }
  .doc td { border: 0; padding: 4px 0; }
  .doc tr { border-bottom: 1px solid var(--line); padding: 10px 0; }
}
.close h2 em { font-style: normal; color: var(--cyan); }