/* Lightning website. Palette mirrors the app (Source/LightningColours.h). */
:root {
  --bg: #1C1C1B;
  --panel: #242422;
  --elevated: #2E2E2B;
  --border: #38372F;
  --text: #EDEBE6;
  --muted: #8C8A80;
  --dim: #6B6960;
  --accent: #3A8FC7;
  --accent-hi: #5FB0E6;
  --red: #E24B4A;
  --lcd-bg: #141310;
  --lcd: #F0A93B;
  --wave-muted: #3D3C38;
  --radius: 10px;
  --max: 1160px;
  --font: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-hi); text-decoration: none; }
a:hover { color: var(--text); }
h1, h2, h3, h4 { line-height: 1.12; margin: 0 0 .5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 7vw, 5.4rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 4.2vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
h4 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
kbd {
  font-family: var(--mono); font-size: .85em;
  background: var(--elevated); border: 1px solid var(--border); border-bottom-width: 3px;
  border-radius: 5px; padding: .05em .45em; color: var(--text);
}
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }
.center { text-align: center; }
.small { font-size: .85rem; }
.muted { color: var(--muted); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 680px; }
.center .lead, .center.lead { margin-left: auto; margin-right: auto; }
.eyebrow {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent-hi); margin-bottom: 1em; display: inline-flex; align-items: center; gap: .6em;
}
.grad {
  background: linear-gradient(90deg, var(--accent-hi), #9ad4ff 45%, var(--lcd));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot--rec { background: var(--red); box-shadow: 0 0 0 0 rgba(226,75,74,.7); animation: pulse 1.6s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(226,75,74,0); } 100% { box-shadow: 0 0 0 0 rgba(226,75,74,0); } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--font); font-weight: 700; font-size: 1rem;
  padding: .8em 1.4em; border-radius: 8px; border: 1px solid var(--border);
  color: var(--text); background: var(--panel); cursor: pointer;
  transition: transform .15s, background .15s, border-color .15s, box-shadow .15s;
}
.btn:hover { color: var(--text); transform: translateY(-2px); border-color: var(--dim); }
.btn svg { width: 1.2em; height: 1.2em; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.btn--accent { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 10px 30px -10px rgba(58,143,199,.8); }
.btn--accent:hover { background: var(--accent-hi); border-color: var(--accent-hi); box-shadow: 0 14px 34px -10px rgba(95,176,230,.9); }
.btn--ghost { background: transparent; }
.btn--big { font-size: 1.08rem; padding: 1em 1.7em; }
.btn--small { font-size: .9rem; padding: .5em 1em; }
.btn--block { width: 100%; justify-content: center; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 40px);
  transition: background .25s, border-color .25s, padding .25s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled { background: rgba(28,28,27,.82); backdrop-filter: blur(12px); border-color: var(--border); padding-top: 10px; padding-bottom: 10px; }
.nav__brand { display: flex; align-items: center; gap: .5em; color: var(--text); font-weight: 700; letter-spacing: .25em; font-size: .95rem; }
.nav__links { display: flex; align-items: center; gap: clamp(12px, 2.4vw, 28px); }
.nav__links a:not(.btn) { color: var(--muted); font-size: .95rem; }
.nav__links a:not(.btn):hover, .nav__links a.is-active { color: var(--text); }
.bolt { width: 22px; height: 22px; fill: var(--lcd); }
@media (max-width: 640px) {
  .nav { padding-left: 16px; padding-right: 16px; }
  .nav__brand { letter-spacing: .15em; font-size: .85rem; }
  .nav__links { gap: 12px; }
  .nav__links a:not(.btn) { display: none; }
  .nav__links a[href="manual.php"] { display: inline; font-size: .85rem; }
  .nav__links .btn--small { font-size: .8rem; padding: .45em .8em; }
  .layer--lcd { display: none; }
  .hero { padding: 120px 16px 60px; }
  .hero__facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 32px; }
  .container { padding: 0 16px; }
}
@media (max-width: 380px) {
  .nav__links a[href="manual.php"] { display: none; }
}

/* ---------- Parallax layers ---------- */
[data-speed] { will-change: transform; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; padding: 140px 24px 80px;
  display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; align-content: start;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(58,143,199,.22), transparent 60%),
    radial-gradient(800px 500px at 10% 30%, rgba(240,169,59,.08), transparent 60%),
    var(--bg);
}
.hero__layers { position: absolute; inset: 0; pointer-events: none; }
.layer { position: absolute; inset: 0; }
.layer--strings span {
  position: absolute; left: -5%; right: -5%; height: calc(1px + var(--i) * .35px);
  top: calc(22% + var(--i) * 9%);
  background: linear-gradient(90deg, transparent, rgba(237,235,230,.08) 20%, rgba(237,235,230,.14) 50%, rgba(237,235,230,.08) 80%, transparent);
  transform: rotate(-4deg);
}
.wave { position: absolute; width: 140%; left: -20%; height: 90px; fill: none; stroke-width: 2; }
.wave--a { top: 58%; stroke: rgba(58,143,199,.35); animation: drift 14s linear infinite; }
.wave--b { top: 66%; stroke: rgba(226,75,74,.22); animation: drift 9s linear infinite reverse; }
@keyframes drift { from { transform: translateX(0); } to { transform: translateX(-8%); } }
.layer--lcd .lcd--float { position: absolute; top: 24%; right: 8%; transform: rotate(6deg); font-size: 2.2rem; opacity: .75; }
.layer--lcd .lcd--two { top: 64%; right: auto; left: 6%; transform: rotate(-7deg); font-size: 1.6rem; opacity: .5; }
.layer--bolt .bolt--giant { position: absolute; width: 520px; height: 520px; right: -120px; top: 40px; fill: rgba(240,169,59,.05); }
.hero__content { position: relative; z-index: 2; max-width: 900px; text-align: center; }
.hero__content .lead { margin: 0 auto 2em; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__facts { list-style: none; display: flex; justify-content: center; gap: clamp(16px, 4vw, 48px); padding: 0; margin: 2.4em 0 0; flex-wrap: wrap; color: var(--muted); font-size: .95rem; }
.hero__facts b { display: block; font-family: var(--mono); color: var(--lcd); font-size: 1.6rem; }
.hero__shot { position: relative; z-index: 3; width: min(1100px, 100%); margin-top: 70px; }

/* ---------- Screenshot placeholders ---------- */
.shot { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: 0 40px 80px -30px rgba(0,0,0,.8); object-fit: cover; }
.shot--placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .4em; padding: 24px; text-align: center;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.018) 0 12px, transparent 12px 24px),
    linear-gradient(180deg, var(--panel), #1f1f1d);
}
.shot__label { color: var(--muted); font-weight: 500; max-width: 480px; }
.shot__file { font-family: var(--mono); font-size: .75rem; color: var(--dim); }
.shot--hero { box-shadow: 0 60px 120px -40px rgba(58,143,199,.45), 0 0 0 1px var(--border); }

/* ---------- LCD ---------- */
.lcd {
  font-family: var(--mono); font-weight: 700; color: var(--lcd); background: var(--lcd-bg);
  border: 1px solid #000; border-radius: 6px; padding: .2em .6em;
  box-shadow: inset 0 2px 0 rgba(0,0,0,.6), 0 0 0 1px var(--border);
  text-shadow: 0 0 12px rgba(240,169,59,.45);
  display: inline-flex; align-items: baseline; gap: .5em; letter-spacing: .04em;
}
.lcd small { font-size: .5em; color: rgba(240,169,59,.6); letter-spacing: .15em; }
.lcd--big { font-size: clamp(1.8rem, 4vw, 2.8rem); padding: .25em .7em; }

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--border); background: var(--panel); overflow: hidden; padding: 16px 0; }
.marquee__track { display: flex; gap: 32px; width: max-content; animation: marquee 30s linear infinite; font-weight: 700; font-size: 1.1rem; white-space: nowrap; }
.marquee__track i { color: var(--lcd); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: clamp(80px, 12vw, 150px) 0; position: relative; }
.section-head { margin-bottom: clamp(40px, 6vw, 72px); }
.problem { background: linear-gradient(180deg, var(--bg), #191918); }
.stopwatch { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: var(--max); margin: 64px auto 0; padding: 0 24px; text-align: center; }
.stopwatch p { color: var(--muted); margin-top: 1em; }
@media (max-width: 760px) { .stopwatch { grid-template-columns: 1fr; } }

/* ---------- Features ---------- */
.feature { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(32px, 6vw, 80px); align-items: center; margin-bottom: clamp(80px, 12vw, 150px); }
.feature > * { min-width: 0; }
.feature__media--narrow { max-width: 420px; width: 100%; justify-self: center; }
.feature--flip .feature__text { order: 2; }
.feature__num { font-family: var(--mono); color: var(--accent-hi); font-size: .9rem; display: block; margin-bottom: .8em; }
.feature__text p { color: var(--muted); }
.ticks { list-style: none; padding: 0; margin: 1.2em 0 0; }
.ticks li { padding-left: 1.7em; position: relative; margin-bottom: .45em; }
.ticks li::before { content: ''; position: absolute; left: 0; top: .5em; width: .75em; height: .4em; border-left: 2px solid var(--accent-hi); border-bottom: 2px solid var(--accent-hi); transform: rotate(-45deg); }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .feature--flip .feature__text { order: 0; }
}

/* Pattern mini-demo */
.pattern-demo, .layer-stack, .dropzone, .keys, .session {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.8);
}
.pill {
  font-family: var(--font); font-size: .85rem; font-weight: 500; color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: .35em .9em; background: transparent; cursor: pointer;
  transition: background .2s, border-color .2s;
}
.pill.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
.pill.is-queued { border-style: dashed; border-color: var(--accent-hi); }
.pill--new { color: var(--muted); }
.pattern-demo__pills { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.pd-row { display: grid; grid-template-columns: 22px 100px 1fr; align-items: center; gap: 10px; height: 38px; border-top: 1px solid var(--border); font-size: .85rem; }
.pd-row b { color: var(--dim); font-family: var(--mono); font-weight: 500; }
.pd-row i {
  height: 22px; border-radius: 3px; transition: opacity .4s, filter .4s;
  background: repeating-linear-gradient(90deg, var(--accent) 0 2px, transparent 2px 4px);
  -webkit-mask-image: repeating-linear-gradient(90deg, #000 0 3px, rgba(0,0,0,.35) 3px 9px, #000 9px 11px, rgba(0,0,0,.6) 11px 17px);
  mask-image: repeating-linear-gradient(90deg, #000 0 3px, rgba(0,0,0,.35) 3px 9px, #000 9px 11px, rgba(0,0,0,.6) 11px 17px);
}
.pd-row.is-muted i { filter: grayscale(1) brightness(.45); }
.pd-row.is-muted span { color: var(--dim); }

/* Layer stack */
.layer-stack { display: grid; gap: 10px; }
.layer-stack__bar { height: 40px; border-radius: 4px; background: #1f1f1d; overflow: hidden; position: relative; }
.layer-stack__bar span {
  position: absolute; inset: 0; transform-origin: left; transform: scaleX(0);
  background: repeating-linear-gradient(90deg, var(--accent) 0 2px, rgba(58,143,199,.35) 2px 5px);
  animation: stack 7.5s calc(var(--i) * 1.5s) infinite;
}
.layer-stack__bar:nth-child(1) span { background: repeating-linear-gradient(90deg, var(--red) 0 2px, rgba(226,75,74,.35) 2px 5px); }
@keyframes stack {
  0% { transform: scaleX(0); }
  20%, 85% { transform: scaleX(1); }
  100% { transform: scaleX(1); opacity: 0; }
}

/* Drop zone */
.dropzone { position: relative; height: 260px; overflow: hidden; }
.dropzone__target {
  position: absolute; left: 22px; right: 22px; bottom: 30px; height: 70px;
  border: 1.5px dashed var(--dim); border-radius: 6px; display: grid; place-items: center; color: var(--muted);
  animation: dropTarget 4s infinite;
}
.dropzone__file {
  position: absolute; top: 24px; left: 24px; display: flex; align-items: center; gap: 10px;
  background: var(--elevated); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; font-family: var(--mono); font-size: .85rem;
  animation: dragFile 4s infinite; box-shadow: 0 10px 30px rgba(0,0,0,.5);
}
.dropzone__file svg { width: 22px; height: 22px; fill: none; stroke: var(--lcd); stroke-width: 1.6; }
@keyframes dragFile {
  0%, 10% { transform: translate(0, 0) rotate(0); opacity: 1; }
  45% { transform: translate(28%, 140px) rotate(-3deg); opacity: 1; }
  55%, 100% { transform: translate(28%, 150px) rotate(0); opacity: 0; }
}
@keyframes dropTarget {
  0%, 40% { background: transparent; border-color: var(--dim); }
  50%, 92% { background: repeating-linear-gradient(90deg, var(--accent) 0 2px, rgba(58,143,199,.25) 2px 5px); border-color: var(--accent); color: transparent; }
  100% { background: transparent; }
}

/* Keyboard */
.keys { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.key {
  display: flex; flex-direction: column; align-items: center; justify-content: center; height: 64px;
  font-size: 1.15rem; font-weight: 700; border-bottom-width: 4px; animation: keyPress 6s calc(var(--i) * .35s) infinite;
}
.key small { font-size: .6rem; color: var(--muted); font-weight: 500; }
.key--space { grid-column: 1 / -1; height: 56px; animation: none; }
@keyframes keyPress {
  0%, 6%, 100% { background: var(--elevated); transform: none; }
  3% { background: var(--accent); transform: translateY(2px); }
}

/* Session view mock */
.session { font-size: .8rem; overflow-x: auto; }
.session__head, .session__row { display: grid; grid-template-columns: 90px repeat(5, minmax(48px, 1fr)); gap: 6px; align-items: center; min-width: 380px; }
.session__head { margin-bottom: 8px; color: var(--muted); }
.session__head b { font-weight: 500; text-align: center; background: var(--elevated); border-radius: 3px; padding: 3px 0; }
.session__row { height: 34px; margin-bottom: 6px; }
.session__scene { color: var(--muted); font-family: var(--mono); font-size: .75rem; }
.slot { height: 26px; border-radius: 3px; border: 1px solid var(--border); }
.clip { height: 26px; border-radius: 3px; animation: clipIn .6s calc(var(--r) * .15s) both; }
.clip--c0 { background: #E8A13A; } .clip--c1 { background: #3A8FC7; } .clip--c2 { background: #7BC96F; }
.clip--c3 { background: #E24B4A; } .clip--c4 { background: #B07FE0; }
@keyframes clipIn { from { opacity: 0; transform: scale(.6); } }

/* ---------- Try it ---------- */
.try { overflow: hidden; background: #181817; border-block: 1px solid var(--border); }
.try__bg {
  position: absolute; inset: -30% 0; pointer-events: none;
  background:
    radial-gradient(600px 300px at 20% 30%, rgba(58,143,199,.18), transparent 70%),
    radial-gradient(500px 300px at 80% 70%, rgba(226,75,74,.10), transparent 70%);
}
.demo {
  position: relative; max-width: 900px; margin: 0 auto 18px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden; outline: none;
  box-shadow: 0 50px 100px -40px rgba(0,0,0,.9);
}
.demo:focus-visible { box-shadow: 0 0 0 2px var(--accent), 0 50px 100px -40px rgba(0,0,0,.9); }
.demo__top { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); gap: 12px; flex-wrap: wrap; }
.demo__pills { display: flex; gap: 8px; flex-wrap: wrap; }
.demo__hint { font-family: var(--mono); font-size: .72rem; color: var(--dim); letter-spacing: .1em; text-transform: uppercase; }
.demo__tracks { position: relative; }
.dt {
  display: grid; grid-template-columns: 110px 1fr; height: 58px; border-bottom: 1px solid var(--border);
  background: var(--panel); cursor: pointer; user-select: none;
}
.dt__head { padding: 8px 12px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--border); }
.dt__head small { color: var(--dim); font-family: var(--mono); font-size: .7rem; }
.dt__head span { font-size: .85rem; }
.dt__wave { position: relative; overflow: hidden; }
.dt__wave canvas { width: 100%; height: 100%; display: block; }
.dt.is-muted .dt__head span { color: var(--dim); }
.dt:hover .dt__wave { background: rgba(255,255,255,.015); }
.demo__playhead { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--accent-hi); left: 110px; pointer-events: none; opacity: 0; box-shadow: 0 0 10px var(--accent); }
.demo.is-playing .demo__playhead { opacity: 1; }
.demo__transport { display: flex; align-items: center; gap: 14px; padding: 10px 16px; background: var(--panel); }
.tbtn { width: 40px; height: 34px; border-radius: 6px; border: 1px solid var(--border); background: var(--elevated); display: grid; place-items: center; cursor: pointer; }
.tbtn svg { width: 16px; height: 16px; fill: var(--text); }
.tbtn .i-stop, .demo.is-playing .tbtn .i-play { display: none; }
.demo.is-playing .tbtn .i-stop { display: block; }
.demo__progress { flex: 1; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.demo__progress span { display: block; height: 100%; width: 0; background: var(--accent); }

/* ---------- Flow ---------- */
.flow__steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; position: relative; }
.flow__steps::before { content: ''; position: absolute; top: 26px; left: 8%; right: 8%; height: 1px; background: linear-gradient(90deg, var(--accent), var(--red), var(--lcd)); opacity: .5; }
.flow__steps li { position: relative; text-align: center; padding: 0 8px; }
.flow__n { display: grid; place-items: center; width: 52px; height: 52px; margin: 0 auto 18px; border-radius: 50%; background: var(--bg); border: 1px solid var(--accent); font-family: var(--mono); font-weight: 700; color: var(--accent-hi); position: relative; }
.flow__steps li p { color: var(--muted); font-size: .95rem; }
@media (max-width: 860px) { .flow__steps { grid-template-columns: 1fr 1fr; row-gap: 40px; } .flow__steps::before { display: none; } }
@media (max-width: 480px) { .flow__steps { grid-template-columns: 1fr; } }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; transition: transform .2s, border-color .2s; }
.card:hover { transform: translateY(-4px); border-color: var(--dim); }
.card svg { width: 30px; height: 30px; fill: none; stroke: var(--accent-hi); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 14px; }
.card p { color: var(--muted); font-size: .95rem; margin: 0; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
details { border-bottom: 1px solid var(--border); padding: 4px 0; }
summary { cursor: pointer; list-style: none; padding: 18px 36px 18px 0; font-weight: 700; font-size: 1.08rem; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-family: var(--mono); color: var(--accent-hi); font-size: 1.3rem; transition: transform .2s; }
details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
details p { color: var(--muted); padding-bottom: 12px; }

/* ---------- Final CTA ---------- */
.final { position: relative; overflow: hidden; padding: clamp(110px, 16vw, 200px) 0; background: radial-gradient(800px 400px at 50% 100%, rgba(58,143,199,.25), transparent 70%), var(--bg); border-top: 1px solid var(--border); }
.final__bolt { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.final__bolt .bolt { width: 640px; height: 640px; fill: rgba(240,169,59,.06); }
.final .container { position: relative; }
.final .lead { margin-bottom: 2em; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 48px 0 40px; background: #181817; }
.footer__inner { max-width: var(--max); margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1fr auto; gap: 24px; }
.footer__brand { display: flex; flex-wrap: wrap; align-items: center; gap: .5em; font-weight: 700; letter-spacing: .25em; }
.footer__brand p { flex-basis: 100%; letter-spacing: 0; font-weight: 400; color: var(--muted); margin: 6px 0 0; }
.footer__links { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
.footer__links a { color: var(--muted); }
.footer__small { grid-column: 1 / -1; color: var(--dim); font-size: .8rem; margin: 12px 0 0; }
@media (max-width: 640px) { .footer__inner { grid-template-columns: 1fr; } }

/* ---------- Subpages (download, manual) ---------- */
.subhero { padding: 150px 0 60px; position: relative; overflow: hidden; background: radial-gradient(900px 400px at 80% -20%, rgba(58,143,199,.2), transparent 60%), var(--bg); }
.subhero .bolt--bg { position: absolute; right: -80px; top: 40px; width: 380px; height: 380px; fill: rgba(240,169,59,.05); }

.signup { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: start; padding-bottom: 120px; }
@media (max-width: 860px) { .signup { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: clamp(24px, 4vw, 36px); box-shadow: 0 40px 80px -30px rgba(0,0,0,.8); }
.form label { display: block; font-weight: 500; margin-bottom: .4em; font-size: .95rem; }
.form input[type=email], .form input[type=text], .form select {
  width: 100%; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: .8em 1em; margin-bottom: 1.1em; transition: border-color .15s, box-shadow .15s;
}
.form input:focus, .form select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(58,143,199,.25); }
.form .check { display: flex; gap: .6em; align-items: flex-start; font-weight: 400; color: var(--muted); font-size: .9rem; margin-bottom: 1.4em; }
.form .check input { margin-top: .35em; accent-color: var(--accent); }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .error { background: rgba(226,75,74,.12); border: 1px solid rgba(226,75,74,.5); color: #ffb3b2; padding: .8em 1em; border-radius: 8px; margin-bottom: 1.2em; font-size: .95rem; }
.fine { color: var(--dim); font-size: .82rem; margin: 1em 0 0; }
.perks { list-style: none; padding: 0; margin: 1.6em 0; }
.perks li { display: flex; gap: .8em; margin-bottom: 1em; color: var(--muted); }
.perks li b { color: var(--text); display: block; }
.perks svg { flex: 0 0 22px; width: 22px; height: 22px; fill: none; stroke: var(--accent-hi); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; margin-top: 3px; }
.specs { display: grid; grid-template-columns: auto 1fr; gap: .5em 1.4em; font-size: .92rem; margin: 0; }
.specs dt { color: var(--dim); font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; padding-top: .2em; }
.specs dd { margin: 0; color: var(--muted); }

.success { text-align: center; }
.success__icon { width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center; background: rgba(58,143,199,.15); border: 1px solid var(--accent); }
.success__icon .bolt { width: 34px; height: 34px; }
.next-steps { text-align: left; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--border); }
.next-steps ol { padding-left: 1.2em; color: var(--muted); }

/* Manual */
.manual { padding-bottom: 120px; }
.mstep { display: grid; grid-template-columns: 76px 1fr; gap: 0 28px; position: relative; padding-bottom: 56px; }
.mstep::before { content: ''; position: absolute; left: 37px; top: 76px; bottom: 0; width: 1px; background: var(--border); }
.mstep:last-child::before { display: none; }
.mstep__n { width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; font-family: var(--mono); font-size: 1.6rem; font-weight: 700; background: var(--panel); border: 1px solid var(--accent); color: var(--accent-hi); }
.mstep--rec .mstep__n { border-color: var(--red); color: var(--red); }
.mstep__body p { color: var(--muted); }
.mstep__body .shot { margin-top: 18px; max-width: 760px; }
.tip { border-left: 3px solid var(--lcd); background: rgba(240,169,59,.06); padding: .8em 1.1em; border-radius: 0 8px 8px 0; color: var(--muted); font-size: .95rem; margin: 1em 0; }
.tip b { color: var(--lcd); }
.shortcut-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.shortcut-table th { text-align: left; font-family: var(--mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); padding: 10px 12px; border-bottom: 1px solid var(--border); }
.shortcut-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--muted); }
.shortcut-table td:first-child { white-space: nowrap; }
.help-strip { display: block; margin-top: 1.2em; border: 1px solid var(--border); border-radius: 8px; max-width: 100%; height: auto; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.6em; }
@media (max-width: 560px) {
  .mstep { grid-template-columns: 52px 1fr; gap: 0 16px; }
  .mstep__n { width: 52px; height: 52px; font-size: 1.2rem; }
  .mstep::before { left: 25px; top: 52px; }
  .shortcut-table td:first-child { white-space: normal; }
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .layer-stack__bar span { transform: scaleX(1); }
}