/* Layout concept: a dive. The page starts at the sunlit surface and darkens
   section by section to the midnight zone, with a depth gauge on the right edge. */
:root {
  --abyss: #070b12;       /* deepest water, page ground */
  --deep: #0b1828;        /* raised surfaces */
  --glass: rgba(6, 14, 24, 0.66);
  --glass-strong: rgba(6, 12, 20, 0.82);
  --line: rgba(0, 240, 255, 0.16);
  --ink: #eaf5f8;         /* main text */
  --mist: #a9bfcb;        /* secondary text */
  --cyan: #00f0ff;        /* buttons and accents on dark only */
  --cyan-deep: #00b8c8;
  --gold: #f4c86a;        /* logo gold: Most Popular + intro offer */
  --font-display: "Saira Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --radius: 14px;
  --dark: 0.25;           /* set by script as you scroll: how deep we are */
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--abyss);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: var(--cyan); }
a:hover { color: #7ff8ff; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--gold); color: #111; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }

.wrap {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-left: max(18px, env(safe-area-inset-left, 0px));
  padding-right: max(18px, env(safe-area-inset-right, 0px));
}

/* ---------- The ocean behind everything ---------- */
.ocean { position: fixed; inset: 0; z-index: -2; background: var(--abyss) url("../media/wallpaper-day-to-deep.webp") center top / cover no-repeat; }
@media (max-aspect-ratio: 4/5) { .ocean { background-image: url("../media/wallpaper-day-to-deep-mobile.webp"); } }
.ocean::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,11,18, calc(var(--dark) * 0.7)) 0%, rgba(7,11,18, var(--dark)) 55%, rgba(7,11,18, calc(0.2 + var(--dark))) 100%);
  transition: background .2s linear;
}

/* ---------- Type ---------- */
h1, h2, h3 { overflow-wrap: break-word; hyphens: auto; font-family: var(--font-display); font-weight: 700; line-height: 1.05; letter-spacing: 0.005em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.1rem); font-weight: 800; text-transform: uppercase; }
h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); text-transform: uppercase; }
h3 { font-size: 1.45rem; letter-spacing: 0.01em; }
p { margin: 0; }
.zone {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--cyan); display: inline-flex; gap: 10px; align-items: center;
}
.zone::before { content: ""; width: 26px; height: 1px; background: currentColor; }
.lede { color: var(--mist); font-size: 1.15rem; max-width: 62ch; }
.section-head { display: grid; gap: 14px; margin-bottom: 36px; max-width: 780px; width: fit-content; padding: 22px 26px; background: var(--glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid var(--line); border-radius: var(--radius); }
.colab-wrap .section-head { padding: 0; background: none; border: 0; backdrop-filter: none; -webkit-backdrop-filter: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: 0.03em; text-transform: uppercase;
  text-decoration: none; line-height: 1.15; text-align: center;
  padding: 16px 26px; border-radius: 999px; border: 0; cursor: pointer;
  color: #04121a; background: var(--cyan);
  box-shadow: 0 0 0 1px rgba(0,240,255,.5), 0 8px 30px rgba(0,240,255,.28);
  transition: transform .15s ease, box-shadow .15s ease, background .15s;
}
.btn:hover { color: #04121a; background: #6ff7ff; transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(0,240,255,.7), 0 12px 40px rgba(0,240,255,.45); }
.btn-big { font-size: clamp(1.15rem, 2.4vw, 1.5rem); padding: 18px 30px; }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px rgba(234,245,248,.5); }
.btn-ghost:hover { background: rgba(234,245,248,.08); color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn[aria-disabled="true"] { background: rgba(255,255,255,.08); color: var(--mist); box-shadow: inset 0 0 0 1.5px rgba(169,191,203,.35); cursor: not-allowed; transform: none; }
.cta-note { font-size: 0.92rem; color: var(--mist); }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: rgba(5, 10, 18, 0.72); backdrop-filter: blur(14px) saturate(1.2); -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; gap: 20px; min-height: 66px; }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { height: 48px; width: auto; border-radius: 8px; }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 0.98rem; padding: 8px 12px; border-radius: 8px; }
.nav a:hover { background: rgba(0,240,255,.1); color: var(--ink); }
.nav .btn { font-size: 1.05rem; padding: 10px 18px; margin-left: 8px; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1.5px solid rgba(234,245,248,.4); color: var(--ink); border-radius: 10px; padding: 8px 12px; font: 700 0.95rem var(--font-body); cursor: pointer; }
@media (max-width: 1020px) {
  .menu-btn { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 2px;
         background: rgba(5,10,18,.96); border-bottom: 1px solid var(--line);
         padding: 10px max(18px, env(safe-area-inset-right, 0px)) 18px max(18px, env(safe-area-inset-left, 0px)); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; font-size: 1.1rem; }
  .nav .btn { margin: 8px 0 0; }
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: #8bb1da; }
.hero-media { position: absolute; inset: 0; }
.hero-media video, .hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 40%; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,10,18,.55) 0%, rgba(5,10,18,.15) 55%, rgba(5,10,18,0) 100%), linear-gradient(0deg, rgba(7,11,18,.85) 0%, rgba(7,11,18,0) 30%); }
.hero .wrap { position: relative; padding-block: clamp(48px, 9vw, 110px) clamp(40px, 6vw, 72px); }
.hero-panel {
  max-width: 600px; display: grid; gap: 20px; padding: clamp(22px, 3.4vw, 36px);
  background: var(--glass-strong); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line); border-radius: 20px;
}
.hero-panel .lede { color: #c9dbe4; }
.hero-actions { display: grid; gap: 10px; justify-items: start; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.facts li { font-size: 0.9rem; font-weight: 700; padding: 6px 12px; border-radius: 999px; background: rgba(0,240,255,.08); border: 1px solid var(--line); }
@media (max-width: 700px) {
  .hero { background: var(--abyss); }
  .hero-media { position: relative; aspect-ratio: 16 / 9; }
  .hero-media::after { background: linear-gradient(0deg, rgba(7,11,18,1) 0%, rgba(7,11,18,0) 35%); }
  .hero .wrap { padding-block: 0 36px; margin-top: -28px; }
  .hero-panel { background: var(--glass-strong); }
  .btn-big { width: 100%; }
  .hero-actions { justify-items: stretch; }
}

/* Intro offer strip */
.offer {
  display: flex; gap: 14px; align-items: flex-start; text-decoration: none;
  color: #1a1204; background: linear-gradient(100deg, #ffd98a, var(--gold));
  border-radius: 14px; padding: 14px 18px; font-weight: 700; line-height: 1.45;
  box-shadow: 0 6px 24px rgba(244,200,106,.25);
}
.offer:hover { color: #1a1204; filter: brightness(1.05); }
.offer .tag { flex-shrink: 0; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .05em; background: #1a1204; color: var(--gold); border-radius: 8px; padding: 2px 9px; font-size: 1rem; margin-top: 2px; }
.offer .go { text-decoration: underline; }
@media (max-width: 520px) { .offer { flex-direction: column; gap: 8px; } }

/* ---------- Sections ---------- */
.band { padding-block: clamp(64px, 9vw, 120px); position: relative; }
.glass { background: var(--glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid var(--line); border-radius: var(--radius); }

/* Brand strip */
.brandstrip { padding-block: 0; }
.brandstrip img { width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--line); }
@media (max-width: 760px) { .brandstrip { display: none; } }

/* Examples */
.examples { display: grid; grid-template-columns: 1.6fr 1fr; gap: 22px; align-items: start; }
.yt { position: relative; display: block; width: 100%; border: 0; padding: 0; cursor: pointer; border-radius: var(--radius); overflow: hidden; background: #000; border: 1px solid var(--line); color: var(--ink); }
.yt.wide { aspect-ratio: 16 / 9; }
.yt.tall { aspect-ratio: 9 / 16; max-height: 560px; }
.yt img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.yt .play { position: absolute; inset: 0; display: grid; place-items: center; }
.yt .play span { width: 74px; height: 74px; border-radius: 50%; background: rgba(0,240,255,.92); display: grid; place-items: center; box-shadow: 0 0 40px rgba(0,240,255,.5); transition: transform .15s; }
.yt:hover .play span { transform: scale(1.08); }
.yt .play svg { width: 30px; height: 30px; fill: #04121a; margin-left: 4px; }
.yt iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.example-cap { display: grid; gap: 4px; margin-top: 12px; }
.example-cap strong { font-family: var(--font-display); font-size: 1.3rem; text-transform: uppercase; letter-spacing: .02em; }
.example-cap span { color: var(--mist); font-size: .95rem; }
.example-tall { max-width: 330px; justify-self: center; width: 100%; }
@media (max-width: 760px) { .examples { grid-template-columns: 1fr; } }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { padding: 22px 22px 24px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.feature h3 { font-size: 1.35rem; text-transform: uppercase; }
.feature p { color: #c6d6de; font-size: 1rem; }
.feature code, .mono { font-family: var(--font-mono); font-size: .9em; color: var(--cyan); }
.tier { justify-self: start; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold); border: 1px solid rgba(244,200,106,.45); padding: 2px 8px; border-radius: 6px; }
@media (max-width: 980px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .features { grid-template-columns: 1fr; } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: step; padding: 0; margin: 0; list-style: none; }
.step { padding: 26px; display: grid; gap: 10px; align-content: start; counter-increment: step; }
.step::before { content: counter(step); font-family: var(--font-display); font-weight: 800; font-size: 3.2rem; line-height: 1; color: var(--cyan); }
.step p { color: #c6d6de; }
.timing { margin-top: 18px; padding: 18px 22px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.timing p { flex: 1 1 380px; min-width: 0; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* Colab */
.colab { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 40px; padding: 0; margin: 0; list-style: none; }
.colab li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; }
.colab li::before { content: ""; width: 22px; height: 22px; margin-top: 3px; border-radius: 50%; border: 2px solid var(--cyan); background: radial-gradient(circle, var(--cyan) 0 4px, transparent 5px); }
.colab b { color: var(--ink); }
.colab span { color: #c6d6de; }
.colab-wrap { padding: clamp(22px, 4vw, 40px); }
.limit { margin-top: 26px; padding: 16px 20px; border-left: 3px solid var(--gold); background: rgba(244,200,106,.08); border-radius: 0 10px 10px 0; }
@media (max-width: 760px) { .colab { grid-template-columns: 1fr; } }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; margin-top: 22px; }
.plan { padding: 28px 24px; display: grid; gap: 16px; position: relative; min-width: 0; }
.plan.popular { border: 1.5px solid var(--gold); box-shadow: 0 0 0 4px rgba(244,200,106,.08), 0 20px 60px rgba(0,0,0,.35); }
.plan .badge { position: absolute; top: -14px; left: 22px; background: var(--gold); color: #1a1204; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: 3px 12px; border-radius: 999px; font-size: 1rem; }
.plan h3 { font-size: 1.6rem; text-transform: uppercase; }
.plan .who { color: var(--mist); font-size: .98rem; }
.price { font-family: var(--font-display); font-weight: 800; font-size: 3.4rem; line-height: 1; font-variant-numeric: tabular-nums; }
.price small { font-size: 1.2rem; font-weight: 600; color: var(--mist); }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.plan li { display: grid; grid-template-columns: 20px 1fr; gap: 8px; font-size: .98rem; color: #d3e1e8; }
.plan li::before { content: "✓"; color: var(--cyan); font-weight: 700; }
.plan .plus { font-weight: 700; color: var(--ink); }
.plan .btn { width: 100%; font-size: 1.15rem; }
.costline { margin-top: 22px; padding: 18px 22px; font-size: 1.02rem; }
.webed { margin-top: 18px; padding: 20px 22px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; }
.webed p { flex: 1 1 380px; color: var(--mist); min-width: 0; }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

/* Closing video */
.deepvideo { position: relative; overflow: hidden; }
.deepvideo .media { position: relative; aspect-ratio: 16 / 9; max-height: 82vh; width: 100%; }
.deepvideo video, .deepvideo .media img { width: 100%; height: 100%; object-fit: cover; }
.deepvideo .media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(7,11,18,1) 0%, rgba(7,11,18,.35) 35%, rgba(7,11,18,.1) 60%, rgba(7,11,18,.85) 100%); }
.deepvideo .over { position: absolute; left: 0; right: 0; bottom: 0; }
.deepvideo .over .wrap { display: grid; gap: 16px; justify-items: center; text-align: center; padding-block: 0 clamp(22px, 5vw, 60px); }
@media (max-width: 700px) {
  .deepvideo .over { position: static; }
  .deepvideo .over .wrap { padding-top: 8px; }
}

/* FAQ */
.faq { display: grid; gap: 10px; max-width: 900px; }
.faq details { padding: 0; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 54px 18px 22px; font-weight: 700; font-size: 1.08rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-family: var(--font-display); font-size: 1.8rem; color: var(--cyan); }
.faq details[open] summary::after { content: "–"; }
.faq .a { padding: 0 22px 20px; color: #c6d6de; display: grid; gap: 10px; }

/* Starter kit teaser */
.kit { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; align-items: center; padding: clamp(24px, 4vw, 44px); }
.kit-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.kit .prompt-peek { font-family: var(--font-mono); font-size: .82rem; color: #9fdde4; background: rgba(0,0,0,.35); border: 1px solid var(--line); border-radius: 10px; padding: 16px; white-space: pre-wrap; max-height: 220px; overflow: hidden; mask-image: linear-gradient(180deg, #000 60%, transparent); -webkit-mask-image: linear-gradient(180deg, #000 60%, transparent); }
.kit > * { min-width: 0; }
@media (max-width: 820px) { .kit { grid-template-columns: minmax(0, 1fr); } }

/* Final + footer */
.final { text-align: center; display: grid; justify-items: center; gap: 18px; }
footer { border-top: 1px solid var(--line); padding-block: 40px 110px; background: rgba(4,7,12,.85); }
footer .wrap { display: grid; grid-template-columns: auto 1fr auto; gap: 24px 40px; align-items: start; }
footer img { height: 64px; width: auto; border-radius: 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.foot-links a { color: var(--ink); text-decoration: none; font-weight: 700; }
.foot-links a:hover { color: var(--cyan); }
.fine { color: var(--mist); font-size: .88rem; max-width: 60ch; }
.email { font-family: var(--font-mono); color: var(--cyan); user-select: all; }
@media (max-width: 760px) { footer .wrap { grid-template-columns: 1fr; } }

/* Depth gauge (desktop only) */
.gauge { position: fixed; right: max(14px, env(safe-area-inset-right, 0px)); top: 50%; transform: translateY(-50%); z-index: 40; display: grid; justify-items: end; gap: 10px; pointer-events: none; }
.gauge .rail { width: 2px; height: 220px; background: linear-gradient(180deg, rgba(139,177,218,.6), rgba(0,240,255,.35), rgba(0,240,255,.08)); position: relative; border-radius: 2px; }
.gauge .dot { position: absolute; left: 50%; width: 12px; height: 12px; border-radius: 50%; background: var(--cyan); transform: translate(-50%, -50%); box-shadow: 0 0 14px var(--cyan); top: 0; }
.gauge .read { font-family: var(--font-mono); font-size: .74rem; text-align: right; color: var(--ink); background: rgba(5,10,18,.7); border: 1px solid var(--line); padding: 6px 9px; border-radius: 8px; line-height: 1.35; font-variant-numeric: tabular-nums; }
.gauge .read b { display: block; color: var(--cyan); font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }
@media (max-width: 1240px) { .gauge { display: none; } }

/* Simple pages (Starter Kit, Privacy, Terms) */
.page { padding-block: clamp(40px, 7vw, 90px); }
.doc { max-width: 760px; display: grid; gap: 18px; padding: clamp(24px, 4vw, 44px); }
.doc h2 { font-size: 1.7rem; margin-top: 10px; }
.doc p, .doc li { color: #d0dee5; }
.doc ul { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; }
.promptbox { font-family: var(--font-mono); font-size: .86rem; line-height: 1.55; white-space: pre-wrap; color: #cfeef2; background: rgba(0,0,0,.4); border: 1px solid var(--line); border-radius: 12px; padding: 18px; max-height: 460px; overflow: auto; }
.copyrow { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.copied { color: var(--gold); font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
#kit-title { font-size: clamp(1.6rem, 7.4vw, 3.2rem); overflow-wrap: anywhere; }
.doc > * { min-width: 0; }
.doc h1 { overflow-wrap: anywhere; }

/* Split-screen help */
.split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 32px; align-items: center; }
.split > * { min-width: 0; }
.split-mock { display: grid; grid-template-columns: 1.6fr 1fr; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: #f3f6f9; color: #1f2a33; font-size: .82rem; box-shadow: 0 20px 60px rgba(0,0,0,.35); min-height: 260px; }
.mock-nb { position: relative; padding: 0 0 14px; display: grid; gap: 8px; align-content: start; }
.mock-bar { display: flex; gap: 6px; align-items: center; padding: 8px 10px; background: #e2e8ee; }
.mock-bar span { width: 9px; height: 9px; border-radius: 50%; background: #c3ccd5; }
.mock-bar b { margin-left: 8px; font-weight: 700; color: #34424f; }
.mock-cell { margin: 0 10px; padding: 8px 10px; background: #fff; border: 1px solid #d6dee6; border-radius: 6px; font-family: var(--font-mono); font-size: .72rem; display: flex; justify-content: space-between; }
.mock-cell.ok i { color: #1a8f3c; font-style: normal; font-weight: 700; }
.mock-panel { margin: 0 10px; padding: 18px 10px; border-radius: 8px; background: #0b1828; color: #9fe9ef; font-weight: 700; text-align: center; }
.mock-star { position: absolute; left: 50%; bottom: -2px; transform: translate(-50%, 0); width: 30px; height: 30px; border-radius: 50%; background: #1a73e8; color: #fff; display: grid; place-items: center; font-size: 1rem; box-shadow: 0 0 0 4px rgba(26,115,232,.25); }
.mock-gem { background: #fff; border-left: 1px solid #d6dee6; padding: 10px; display: grid; gap: 8px; align-content: start; }
.mock-gem-head { font-weight: 700; color: #1a73e8; }
.mock-msg { padding: 7px 9px; border-radius: 10px; background: #eef3f8; line-height: 1.35; }
.mock-msg.me { background: #d9e8fc; justify-self: end; }
.split-steps { margin: 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 12px; }
.split-steps li { counter-increment: s; display: grid; grid-template-columns: 34px 1fr; gap: 12px; color: #c6d6de; }
.split-steps li::before { content: counter(s); width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: rgba(0,240,255,.12); border: 1px solid var(--cyan); color: var(--cyan); font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.split-steps b { color: var(--ink); }
.prompts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.prompt-card { padding: 22px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.prompt-card h3 { text-transform: uppercase; }
.pc-use { color: var(--mist); font-size: .95rem; }
.pc-text { font-family: var(--font-mono); font-size: .76rem; line-height: 1.5; color: #cfeef2; background: rgba(0,0,0,.4); border: 1px solid var(--line); border-radius: 10px; padding: 12px; max-height: 150px; overflow: auto; }
.btn-sm { font-size: 1rem; padding: 10px 18px; }
.help-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.help-note { padding: 20px 22px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.help-note h3 { font-size: 1.25rem; text-transform: uppercase; }
.help-note p { color: #c6d6de; font-size: .98rem; }
@media (max-width: 960px) { .split, .prompts, .help-notes { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 460px) { .split-mock { grid-template-columns: 1fr; } .mock-gem { border-left: 0; border-top: 1px solid #d6dee6; } }