:root {
  --bg: #f4f5f7;
  --bg2: #e9ecf1;
  --paper: #ffffff;
  --ink: #1b2330;
  --ink2: #4a5568;
  --ink3: #6b778a;
  --line: #d5dae2;
  --blue: #2f6fd6;
  --blue-d: #1f55b0;
  --side: #d3dae6;
  --lcd: #d9e0b4;
  --lcd-d: #c4cd99;
  --lcd-ink: #2b3320;
  --navy: #14233a;
  --metal-top: #fbfbfc;
  --metal-bot: #d6d9de;
  --shadow: 0 30px 60px -20px rgba(20, 35, 58, .45), 0 8px 20px -8px rgba(20, 35, 58, .25);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d;
    --bg2: #181e28;
    --paper: #1c2330;
    --ink: #eef1f6;
    --ink2: #b4bdcc;
    --ink3: #8b96a9;
    --line: #2b3444;
    --blue: #5b95f0;
    --blue-d: #7aaaf5;
    --side: #26303f;
    --metal-top: #2a3140;
    --metal-bot: #1d2330;
    --shadow: 0 30px 60px -20px rgba(0, 0, 0, .7), 0 8px 20px -8px rgba(0, 0, 0, .5);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
a:hover { color: var(--blue-d); }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--paper); padding: 8px 12px; z-index: 99; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 6px; }

/* header */
header.site { position: sticky; top: 0; z-index: 20; background: linear-gradient(var(--metal-top), var(--metal-bot)); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.nav { display: flex; align-items: center; gap: 24px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.nav-links { display: flex; gap: 18px; margin-left: auto; }
.nav-links a { color: var(--ink2); text-decoration: none; font-size: 15px; font-weight: 500; white-space: nowrap; }
.nav .btn { white-space: nowrap; }
@media (max-width: 1100px) { .nav-links { display: none; } .nav .btn { margin-left: auto; } }
.nav-links a:hover { color: var(--ink); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; border: 1px solid transparent; cursor: pointer; }
.btn-blue { background: linear-gradient(#4a86ec, var(--blue-d)); color: #fff; box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 6px 16px -6px rgba(31,85,176,.7); }
.btn-blue:hover { color: #fff; filter: brightness(1.07); }
.btn-metal { background: linear-gradient(var(--metal-top), var(--metal-bot)); color: var(--ink); border-color: var(--line); }
.btn-metal:hover { color: var(--ink); filter: brightness(.97); }
.btn-sm { padding: 8px 16px; font-size: 14px; }

/* hero */
.hero { padding: 72px 0 40px; background: radial-gradient(1000px 420px at 70% -10%, color-mix(in srgb, var(--blue) 14%, transparent), transparent), var(--bg); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: center; }
.kicker { font-family: var(--mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink3); margin-bottom: 14px; }
h1 { font-size: clamp(38px, 5.2vw, 62px); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 20px; }
h1 em { font-style: normal; color: var(--blue); }
.lede { font-size: 19px; color: var(--ink2); margin: 0 0 28px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 14px; color: var(--ink2); }
.badge::before { content: "✓"; color: #2e9b5a; font-weight: 800; margin-right: 6px; }
.shot { border-radius: 12px; box-shadow: var(--shadow); }
.shot-wrap { position: relative; }
.shot-cap { text-align: center; font-family: var(--mono); font-size: 12px; color: var(--ink3); margin-top: 16px; letter-spacing: .06em; }

/* LCD strip */
.lcd-strip { background: linear-gradient(var(--metal-top), var(--metal-bot)); border-block: 1px solid var(--line); padding: 14px 0; overflow: hidden; }
.lcd { max-width: 760px; margin: 0 auto; background: linear-gradient(var(--lcd), var(--lcd-d)); border: 1px solid #9ea77a; border-radius: 6px; box-shadow: inset 0 2px 5px rgba(0,0,0,.2); color: var(--lcd-ink); font-family: var(--mono); text-align: center; padding: 10px 18px; font-size: 14px; }
.lcd b { display: block; font-family: var(--sans); font-size: 16px; }
.lcd small { display: block; opacity: .75; }

/* sections */
section { padding: 84px 0; }
section.alt { background: var(--bg2); border-block: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-kicker { font-family: var(--mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); margin-bottom: 10px; }
h2 { font-size: clamp(30px, 3.6vw, 44px); line-height: 1.1; letter-spacing: -.025em; margin: 0 0 14px; }
h3 { font-size: 20px; line-height: 1.25; margin: 0 0 8px; letter-spacing: -.01em; }
.section-head p { color: var(--ink2); font-size: 19px; margin: 0; }
p { margin: 0 0 14px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split.rev > :first-child { order: 2; }
.split p { color: var(--ink2); }
.checks { list-style: none; padding: 0; margin: 18px 0 0; }
.checks li { padding-left: 28px; position: relative; margin-bottom: 10px; color: var(--ink2); }
.checks li::before { content: ""; position: absolute; left: 0; top: 8px; width: 14px; height: 14px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 20%, transparent); }

.grid { display: grid; gap: 20px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.card p { color: var(--ink2); font-size: 16px; margin: 0; }
.ico { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: color-mix(in srgb, var(--blue) 14%, transparent); color: var(--blue); margin-bottom: 14px; }
.ico svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.lcd-shot { border-radius: 10px; box-shadow: var(--shadow); margin-bottom: 18px; }
.sidebar-shot { max-width: 300px; margin: 0 auto; }

.steps { counter-reset: s; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.step::before { counter-increment: s; content: "0" counter(s); font-family: var(--mono); color: var(--blue); font-weight: 700; display: block; margin-bottom: 10px; }
.step p { margin: 0; color: var(--ink2); font-size: 16px; }

table { width: 100%; border-collapse: collapse; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
th, td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--line); font-size: 16px; }
th { background: var(--bg2); font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink3); }
tr:last-child td { border-bottom: 0; }
kbd { font-family: var(--mono); background: linear-gradient(var(--metal-top), var(--metal-bot)); border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; font-size: 14px; white-space: nowrap; }

.faq details { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 4px 22px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 18px; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; color: var(--blue); font-size: 24px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { color: var(--ink2); padding-bottom: 8px; }

.coffee { background: linear-gradient(135deg, #14233a, #1f3a5f); color: #fff; border-radius: 24px; padding: 56px; text-align: center; }
.coffee h2 { color: #fff; }
.coffee p { color: #c7d3e6; max-width: 640px; margin: 0 auto 26px; font-size: 18px; }
.coffee .btn-metal { color: #14233a; }

.req { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

footer.site { background: var(--navy); color: #b8c4d8; padding: 56px 0 40px; font-size: 15px; }
footer.site a { color: #dbe5f5; }
.foot-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-bottom: 28px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.foot-note { font-size: 13px; opacity: .8; max-width: 760px; }
footer .brand { color: #fff; }

.prose { max-width: 760px; padding: 64px 0; }
.prose h1 { font-size: 44px; }
.prose h2 { font-size: 26px; margin-top: 36px; }
.prose p, .prose li { color: var(--ink2); }

@media (max-width: 920px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .split.rev > :first-child { order: 0; }
  .g3, .g4, .steps, .req { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav .btn { margin-left: auto; }
  section { padding: 60px 0; }
  .coffee { padding: 36px 22px; }
}
@media (max-width: 580px) {
  .g3, .g4, .steps, .req { grid-template-columns: 1fr; }
  body { font-size: 16px; }
  th, td { padding: 10px 12px; font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }