/* Self-hosted latin subsets (Instrument Serif + Inter), from Google Fonts. */
@font-face { font-family: 'Instrument Serif'; font-style: italic; font-weight: 400; font-display: swap; src: url(/assets/fonts/InstrumentSerif-italic.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Instrument Serif'; font-style: normal; font-weight: 400; font-display: swap; src: url(/assets/fonts/InstrumentSerif-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400 700; font-display: swap; src: url(/assets/fonts/Inter-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

/* Bishop VSL. Tokens mirror ~/bishopautomation-next/app/globals.css (dark theme). */
:root {
  --background: oklch(0.148 0.006 68);
  --foreground: oklch(0.958 0.008 82);
  --card: oklch(0.215 0.009 66);
  --card-2: oklch(0.185 0.008 66);
  --muted-foreground: oklch(0.722 0.014 74);
  --border: oklch(0.86 0.028 70 / 13%);
  --border-strong: oklch(0.86 0.028 70 / 24%);
  --signal: oklch(0.742 0.148 158);
  --primary-foreground: oklch(0.16 0.02 60);
  --brand: #E8802A;
  --brand-deep: #B75C15;
  --brand-ember: #FFB347;
  --destructive: oklch(0.648 0.196 26);

  --font-display: "Instrument Serif", ui-serif, Georgia, serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --text-hero: clamp(2.6rem, 1.4rem + 5.6vw, 5.6rem);
  --text-h2: clamp(2rem, 1.3rem + 3vw, 3.6rem);
  --text-lead: clamp(1.05rem, 0.98rem + 0.4vw, 1.25rem);
  --space-section: clamp(4.5rem, 3rem + 6vw, 9rem);
  --gutter: clamp(1rem, 0.5rem + 2.5vw, 2.5rem);
  --radius: 0.75rem;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 160ms;
  --duration-normal: 320ms;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font: 400 1rem/1.65 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video, iframe { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 400; line-height: 1.02; letter-spacing: -0.02em; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--brand-ember); outline-offset: 3px; border-radius: 4px; }

.skip { position: absolute; left: -9999px; top: 1rem; z-index: 100; background: var(--brand); color: var(--primary-foreground); padding: .6rem 1rem; border-radius: 8px; font-weight: 700; }
.skip:focus { left: 1rem; }

/* Atmosphere: gradient field, soft copper glow, grain. Fixed layers, never animated in layout. */
.atmos { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.atmos::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 90vh;
  background:
    radial-gradient(60% 55% at 72% 18%, rgb(232 128 42 / 22%), transparent 70%),
    radial-gradient(45% 40% at 12% 8%, rgb(183 92 21 / 16%), transparent 70%);
  animation: drift 18s var(--ease-out-expo) infinite alternate;
}
.atmos::after {
  content: ""; position: absolute; inset: 0; opacity: .09; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@keyframes drift { to { transform: translate3d(-4%, 3%, 0) scale(1.06); } }

.wrap { width: min(72rem, 100% - 2 * var(--gutter)); margin-inline: auto; }

/* Header */
.top { position: sticky; top: 0; z-index: 30; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); background: oklch(0.148 0.006 68 / 72%); border-bottom: 1px solid var(--border); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; font-weight: 700; letter-spacing: -.01em; }
.brand-mark { width: 1.75rem; height: 1.75rem; border-radius: .45rem; background: linear-gradient(140deg, var(--brand-ember), var(--brand) 45%, var(--brand-deep)); display: grid; place-items: center; color: var(--primary-foreground); font: 400 1.15rem/1 var(--font-display); }
.top nav { display: flex; align-items: center; gap: 1.25rem; font-size: .92rem; }
.top nav a:not(.btn) { text-decoration: none; color: var(--muted-foreground); transition: color var(--duration-fast); }
.top nav a:not(.btn):hover { color: var(--foreground); }
@media (max-width: 640px) { .top nav .hide-sm { display: none; } }

/* Buttons */
.btn {
  --b: var(--brand);
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 3rem; padding: .8rem 1.4rem; border-radius: 999px; border: 1px solid transparent;
  font: 600 .98rem/1 var(--font-sans); text-decoration: none; cursor: pointer;
  background: var(--b); color: var(--primary-foreground);
  box-shadow: 0 0 0 0 rgb(232 128 42 / 0), inset 0 1px 0 rgb(255 255 255 / 25%);
  transition: transform var(--duration-fast) var(--ease-out-expo), box-shadow var(--duration-normal), background var(--duration-fast);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -10px rgb(232 128 42 / 65%), inset 0 1px 0 rgb(255 255 255 / 25%); }
.btn:active { transform: translateY(0) scale(.98); background: var(--brand-deep); }
.btn-ghost { background: transparent; color: var(--foreground); border-color: var(--border-strong); box-shadow: none; }
.btn-ghost:hover { border-color: var(--brand); box-shadow: none; }
.btn-sm { min-height: 2.5rem; padding: .55rem 1rem; font-size: .88rem; }
.btn .arrow { transition: transform var(--duration-normal) var(--ease-out-expo); }
.btn:hover .arrow { transform: translateX(4px); }

/* Type helpers */
.eyebrow { font: 500 .78rem/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--brand-ember); display: inline-flex; align-items: center; gap: .6rem; }
.eyebrow::before { content: ""; width: 1.6rem; height: 1px; background: currentColor; }
.display { font-family: var(--font-display); }
.display em, h1 em, h2 em { font-style: italic; color: var(--brand); }
.lead { font-size: var(--text-lead); color: var(--muted-foreground); max-width: 40rem; }
.muted { color: var(--muted-foreground); }

/* Hero */
.hero { padding-block: clamp(3rem, 2rem + 5vw, 6.5rem) clamp(2.5rem, 2rem + 3vw, 4.5rem); }
.hero h1 { font-family: var(--font-display); font-size: var(--text-hero); margin-block: 1.2rem 1.4rem; }
.hero .lead { margin-bottom: 2rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }

/* Masked line reveal */
.line { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.line > span { display: block; transform: translateY(105%); animation: rise .95s var(--ease-out-expo) forwards; }
.line:nth-child(2) > span { animation-delay: .09s; }
.line:nth-child(3) > span { animation-delay: .18s; }
@keyframes rise { to { transform: translateY(0); } }

/* Player */
.player {
  position: relative; margin-top: clamp(2.5rem, 2rem + 3vw, 4rem); border-radius: calc(var(--radius) * 1.8);
  border: 1px solid var(--border-strong); background: linear-gradient(160deg, var(--card), var(--card-2));
  box-shadow: 0 40px 80px -40px rgb(0 0 0 / 80%), 0 0 0 1px rgb(255 179 71 / 4%) inset; overflow: hidden;
}
.player::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: linear-gradient(130deg, rgb(255 179 71 / 55%), transparent 35%, transparent 70%, rgb(183 92 21 / 45%)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.player-chrome { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 1.2rem; border-bottom: 1px solid var(--border); font: 500 .75rem/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted-foreground); }
.rec { display: inline-flex; align-items: center; gap: .5rem; }
.rec::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: var(--brand); box-shadow: 0 0 12px var(--brand); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.video-frame { position: relative; aspect-ratio: 16 / 9; background: #000; }
.video-frame iframe, .video-frame video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.facade { position: absolute; inset: 0; width: 100%; border: 0; padding: 0; cursor: pointer; background: #0b0908 center / cover no-repeat; display: grid; place-items: center; }
.facade .play { width: 5rem; height: 5rem; border-radius: 50%; background: var(--brand); display: grid; place-items: center; box-shadow: 0 0 0 10px rgb(232 128 42 / 22%); transition: transform var(--duration-normal) var(--ease-out-expo); }
.facade:hover .play, .facade:focus-visible .play { transform: scale(1.08); }
.facade .play svg { margin-left: 4px; }
.written { padding: clamp(1.4rem, 1rem + 2.5vw, 3rem); display: grid; gap: 1.1rem; }
.written h2 { font-family: var(--font-display); font-size: clamp(1.7rem, 1.2rem + 2vw, 2.6rem); }
.written p { color: var(--muted-foreground); max-width: 46rem; font-size: 1.04rem; }
.written p strong { color: var(--foreground); font-weight: 600; }
.written .sig { font: 400 1.5rem/1 var(--font-display); font-style: italic; color: var(--brand-ember); }

/* Sections */
section.block { padding-block: var(--space-section); border-top: 1px solid var(--border); }
.head { display: grid; gap: 1rem; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
.head h2 { font-family: var(--font-display); font-size: var(--text-h2); max-width: 18ch; }

/* Two doors */
.doors { display: grid; gap: 1rem; }
@media (min-width: 820px) { .doors { grid-template-columns: 1fr 1fr; gap: 1.25rem; } .doors .door:last-child { transform: translateY(2.5rem); } }
.door { position: relative; padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); border-radius: calc(var(--radius) * 1.6); background: var(--card); border: 1px solid var(--border); overflow: hidden; transition: border-color var(--duration-normal), transform var(--duration-normal) var(--ease-out-expo); }
.door:hover { border-color: rgb(232 128 42 / 45%); }
.door .num { font: 400 5.5rem/1 var(--font-display); color: rgb(232 128 42 / 14%); position: absolute; right: 1.2rem; top: .6rem; }
.door h3 { font: 600 1.4rem/1.2 var(--font-sans); margin: .9rem 0 .7rem; letter-spacing: -.01em; }
.door ul { list-style: none; padding: 0; margin: 1.3rem 0 1.6rem; display: grid; gap: .6rem; }
.door li { padding-left: 1.5rem; position: relative; }
.door li::before { content: ""; position: absolute; left: 0; top: .62em; width: .7rem; height: 2px; background: var(--brand); }
.door .who { font: 500 .78rem/1.4 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted-foreground); }

/* Bento: what we build */
.bento { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 760px) {
  .bento { grid-template-columns: repeat(6, 1fr); }
  .bento .t1 { grid-column: span 4; grid-row: span 2; }
  .bento .t2, .bento .t3 { grid-column: span 2; }
  .bento .t4 { grid-column: span 3; }
  .bento .t5 { grid-column: span 3; }
}
.tile { position: relative; padding: 1.6rem; border-radius: calc(var(--radius) * 1.4); background: linear-gradient(170deg, var(--card), var(--card-2)); border: 1px solid var(--border); display: flex; flex-direction: column; gap: .7rem; transition: transform var(--duration-normal) var(--ease-out-expo), border-color var(--duration-normal); }
.tile:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.tile h3 { font: 600 1.15rem/1.25 var(--font-sans); }
.tile p { color: var(--muted-foreground); font-size: .96rem; }
.tile .tag { font: 500 .72rem/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--brand-ember); }
.t1 h3 { font: 400 clamp(1.8rem, 1.3rem + 2vw, 2.8rem)/1.05 var(--font-display); }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: auto; padding-top: 1rem; }
.chip { font-size: .84rem; padding: .45rem .8rem; border-radius: 999px; border: 1px solid var(--border-strong); background: rgb(255 255 255 / 2%); }
.chip.on { border-color: rgb(79 209 139 / 45%); color: var(--signal); }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: s; }
.step { display: grid; grid-template-columns: auto 1fr; gap: 1rem 1.5rem; padding-block: 2rem; border-top: 1px solid var(--border); }
.step:last-child { border-bottom: 1px solid var(--border); }
.step .n { font: 400 clamp(3rem, 2rem + 4vw, 5.5rem)/0.85 var(--font-display); color: var(--brand); min-width: 2ch; }
.step h3 { font: 600 clamp(1.25rem, 1.1rem + .6vw, 1.6rem)/1.2 var(--font-sans); margin-bottom: .5rem; }
.step p { color: var(--muted-foreground); max-width: 40rem; }
.step .meta { margin-top: .9rem; display: flex; flex-wrap: wrap; gap: .5rem; }
@media (min-width: 820px) { .step { grid-template-columns: 9rem 1fr 16rem; align-items: start; } .step .meta { margin: 0; justify-content: flex-end; } }

/* FAQ */
.faq { display: grid; gap: .6rem; max-width: 52rem; }
.faq details { border: 1px solid var(--border); border-radius: var(--radius); background: var(--card-2); transition: border-color var(--duration-normal); }
.faq details[open] { border-color: rgb(232 128 42 / 40%); }
.faq summary { cursor: pointer; list-style: none; padding: 1.1rem 1.3rem; font-weight: 600; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 1.3rem; line-height: 1; transition: transform var(--duration-normal) var(--ease-out-expo); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 1.3rem 1.2rem; color: var(--muted-foreground); }

/* Form */
.form-shell { display: grid; gap: 2rem; }
@media (min-width: 900px) { .form-shell { grid-template-columns: 1fr 1.25fr; gap: 3.5rem; align-items: start; } }
.form { display: grid; gap: 1rem; padding: clamp(1.25rem, 1rem + 2vw, 2.25rem); border-radius: calc(var(--radius) * 1.6); background: var(--card); border: 1px solid var(--border-strong); box-shadow: 0 30px 80px -50px rgb(232 128 42 / 50%); }
.row2 { display: grid; gap: 1rem; }
@media (min-width: 560px) { .row2 { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: .4rem; }
.field label, .field legend { font-size: .86rem; font-weight: 600; }
.field input, .field textarea {
  width: 100%; font: inherit; color: var(--foreground); background: var(--background);
  border: 1px solid var(--border-strong); border-radius: .6rem; padding: .8rem .9rem; min-height: 3rem;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.field textarea { min-height: 7rem; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgb(232 128 42 / 25%); }
fieldset.field { border: 0; padding: 0; margin: 0; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: .4rem; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg label { display: grid; gap: .15rem; padding: .8rem .9rem; border-radius: .6rem; border: 1px solid var(--border-strong); cursor: pointer; font-weight: 600; transition: border-color var(--duration-fast), background var(--duration-fast); }
.seg label small { font-weight: 400; color: var(--muted-foreground); font-size: .8rem; }
.seg input:checked + label { border-color: var(--brand); background: rgb(232 128 42 / 10%); }
.seg input:focus-visible + label { outline: 2px solid var(--brand-ember); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.4em; font-size: .92rem; }
.form-status.err { color: oklch(0.78 0.14 40); }
.fine { font-size: .8rem; color: var(--muted-foreground); }
.form .btn { width: 100%; }
.form .btn[disabled] { opacity: .6; cursor: progress; transform: none; }

/* Course specifics */
.pill-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.8rem; }
.guarantee { display: grid; gap: 1rem; padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); border-radius: calc(var(--radius) * 1.6); border: 1px dashed rgb(79 209 139 / 40%); background: rgb(79 209 139 / 4%); }
.guarantee h3 { font: 400 clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem)/1.1 var(--font-display); }
.not-for { display: grid; gap: 1rem; }
@media (min-width: 760px) { .not-for { grid-template-columns: 1fr 1fr; } }

/* Thanks */
.center { min-height: 70vh; display: grid; align-content: center; gap: 1.4rem; padding-block: 4rem; }
.center h1 { font-family: var(--font-display); font-size: var(--text-hero); max-width: 14ch; }

/* Footer */
footer { border-top: 1px solid var(--border); padding-block: 2.5rem 7rem; color: var(--muted-foreground); font-size: .88rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
footer a { text-decoration: none; } footer a:hover { color: var(--foreground); }
@media (min-width: 768px) { footer { padding-bottom: 2.5rem; } }

/* Sticky mobile CTA */
.dock { position: fixed; left: .75rem; right: .75rem; bottom: .75rem; z-index: 40; display: grid; grid-template-columns: auto 1fr; gap: .5rem; padding: .5rem; border-radius: 999px; background: oklch(0.215 0.009 66 / 88%); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--border-strong); transition: transform var(--duration-normal) var(--ease-out-expo), opacity var(--duration-normal); }
.dock.away { transform: translateY(140%); opacity: 0; pointer-events: none; }
@media (min-width: 768px) { .dock { display: none; } }

/* Scroll reveals (only when JS is on) */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease-out-expo), transform .8s var(--ease-out-expo); }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
  .line > span { transform: none; }
  .js .reveal { opacity: 1; transform: none; }
}