/* =====================================================================
   Visual Impact Lab — v3: one world, seven chapters
   ===================================================================== */
:root {
  --bg: #030614;
  --ink: #dfe4ff;
  --ink-2: #9aa3cc;
  --muted: #5f668c;
  --line: rgba(213, 224, 255, .12);
  --line-2: rgba(213, 224, 255, .24);
  --glass: rgba(213, 224, 255, .045);
  --lime: #d7fe03;
  --purple: #8478f0;
  --edge: clamp(20px, 3vw, 44px);
  --display: "Urbanist", "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body { margin: 0; font-family: var(--display); color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 16px; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 700; line-height: 1; letter-spacing: -.02em; text-transform: uppercase; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.mono { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; font-weight: 500; }
.skip { position: absolute; left: -999px; top: 0; z-index: 400; background: var(--lime); color: #000; padding: .5rem 1rem; }
.skip:focus { left: 1rem; top: 1rem; }

/* ===== world ===== */
#world { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; }
html.no-world #world { display: none; }
.world-fallback { position: fixed; inset: 0; z-index: 0; display: none; background: radial-gradient(1200px 700px at 50% 35%, rgba(132,120,240,.35), transparent 60%), radial-gradient(900px 400px at 50% 100%, rgba(215,254,3,.08), transparent 60%), var(--bg); }
html.no-world .world-fallback { display: block; }
.world-veil { position: fixed; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(180deg, rgba(3,6,20,.35), transparent 30%, transparent 55%, rgba(3,6,20,.75)); }

/* ===== chrome ===== */
.top { position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; padding: 26px var(--edge); transition: background .3s, padding .3s; }
.top.is-scrolled { background: linear-gradient(180deg, rgba(3,6,20,.85), transparent); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 26px; height: 26px; }
.brand span { font-family: var(--mono); font-size: 12px; letter-spacing: .3em; text-transform: uppercase; font-weight: 700; }
.top-links { display: flex; gap: 30px; }
.top-links a { color: var(--ink-2); transition: color .25s; position: relative; }
.top-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--lime); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.top-links a:hover { color: var(--ink); }
.top-links a:hover::after { transform: scaleX(1); }
.top-right { display: flex; align-items: center; gap: 22px; }
.lang { display: flex; gap: 12px; }
.lang a { color: var(--muted); transition: color .25s; }
.lang a:hover { color: var(--ink); }
.lang a[aria-current="page"] { color: var(--lime); }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 12px 18px; border: 1px solid var(--line-2); border-radius: 3px; color: var(--ink); background: rgba(3,6,20,.35); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: border-color .25s, color .25s, background .25s, transform .15s; cursor: pointer; font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; font-weight: 500; }
.pill:hover { border-color: var(--lime); color: var(--lime); }
.pill:active { transform: translateY(1px); }
.pill-solid { background: var(--lime); color: #05071a; border-color: var(--lime); font-weight: 700; }
.pill-solid:hover { background: #e9ff5a; color: #05071a; }
.pill-solid:disabled { opacity: .6; cursor: wait; }
.menu-btn { display: none; }

/* left rail */
.rail { position: fixed; left: var(--edge); top: 50%; transform: translateY(-50%); z-index: 50; display: grid; gap: 14px; }
.rail a { display: flex; align-items: center; gap: 12px; color: var(--muted); transition: color .3s; }
.rail a i { width: 10px; height: 1px; background: currentColor; transition: width .3s, background .3s; }
.rail a:hover { color: var(--ink-2); }
.rail a.active { color: var(--ink); }
.rail a.active i { width: 26px; background: var(--lime); }

/* bottom bar */
.bottombar { position: fixed; left: var(--edge); right: var(--edge); bottom: 24px; z-index: 50; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; color: var(--ink-2); }
.scroll-cue { display: inline-flex; align-items: center; gap: 14px; }
.scroll-cue span { position: relative; width: 120px; height: 1px; background: var(--line-2); display: block; }
.scroll-cue i { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: var(--lime); transition: width .2s; }
.counter { justify-self: center; color: var(--muted); }
.counter b { color: var(--ink); font-weight: 700; }
.chat { justify-self: end; transition: color .25s; }
.chat:hover { color: var(--lime); }

/* ===== chapters ===== */
main { position: relative; z-index: 2; }
.chapter { position: relative; min-height: 100vh; min-height: 100svh; display: grid; align-content: end; justify-items: center; padding: 120px var(--edge) 110px; scroll-snap-align: start; }
.chapter-copy { text-align: center; max-width: 820px; padding-top: 38vh; }
#vision .chapter-copy { padding-top: 48vh; max-width: 720px; }
#vision .kicker { margin-bottom: 14px; }
#vision .text { margin-top: 18px; }
#vision .actions { margin-top: 22px; }
.kicker { color: var(--lime); margin-bottom: 22px; display: inline-flex; align-items: center; gap: 12px; }
.kicker::before { content: ""; width: 6px; height: 6px; background: var(--lime); transform: rotate(45deg); }
.chapter h1, .chapter h2 { font-size: clamp(34px, 5.4vw, 74px); text-shadow: 0 0 40px rgba(132,120,240,.35), 0 10px 40px rgba(0,0,0,.6); }
.chapter h1 { font-size: clamp(28px, 3.6vw, 50px); letter-spacing: -.01em; }
.chapter h1 .hl, .chapter h2 .hl { color: var(--lime); }
.text { color: var(--ink-2); font-size: 17px; max-width: 620px; margin: 24px auto 0; }
.actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }
.facts { display: flex; justify-content: center; gap: 12px 34px; flex-wrap: wrap; margin-top: 30px; color: var(--ink-2); }
.facts li { display: inline-flex; align-items: center; gap: 10px; }
.facts li::before { content: ""; width: 5px; height: 5px; background: var(--lime); transform: rotate(45deg); }
.note { margin-top: 22px; color: var(--muted); font-size: 13px; max-width: 620px; margin-left: auto; margin-right: auto; }

/* chapter entrance */
html.js .chapter-copy, html.js .chapter-wide-inner { opacity: 0; transform: translateY(34px); transition: opacity 1s cubic-bezier(.22,1,.36,1), transform 1s cubic-bezier(.22,1,.36,1); }
html.js .chapter.is-active .chapter-copy, html.js .chapter.is-active .chapter-wide-inner { opacity: 1; transform: none; }
.split .w { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: .12em; margin-bottom: -.12em; }
.split .w > span { display: inline-block; transform: translateY(110%); transition: transform 1s cubic-bezier(.22,1,.36,1); transition-delay: calc(.15s + var(--i, 0) * 55ms); }
.is-active .split .w > span { transform: none; }

/* proof screen */
.screen { margin: 30px auto 0; max-width: 520px; perspective: 1200px; }
.screen img { border-radius: 8px; border: 1px solid var(--line-2); box-shadow: 0 50px 100px rgba(0,0,0,.6), 0 0 80px rgba(132,120,240,.25); transform: rotateX(8deg); transform-origin: 50% 100%; }

/* wide chapters (packages, process, contact) */
.chapter-wide { align-content: center; justify-items: stretch; }
.chapter-wide-inner { width: 100%; max-width: 1280px; margin: 0 auto; }
.wide-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px; margin-bottom: 30px; }
.wide-head h2 { font-size: clamp(34px, 5.4vw, 74px); max-width: 14ch; }
.wide-head .text { margin: 12px 0 0; }
.wide-head .mono { color: var(--muted); }

.glass { background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-radius: 6px; }

/* packages */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tiers { position: relative; isolation: isolate; }
.tiers::before { content: ""; position: absolute; inset: -90px -60px; z-index: -1; pointer-events: none; background: radial-gradient(60% 70% at 50% 50%, rgba(150,135,255,.7), rgba(132,120,240,.28) 50%, transparent 78%); filter: blur(38px); animation: tiersGlow 7s ease-in-out infinite alternate; }
@keyframes tiersGlow { from { transform: scale(1) translateX(-2%); opacity: .85; } to { transform: scale(1.08) translateX(2%); opacity: 1; } }
.tier { position: relative; padding: 30px 28px; display: flex; flex-direction: column; background: rgba(6,8,24,.82); transition: border-color .4s, transform .4s cubic-bezier(.22,1,.36,1), box-shadow .4s, background .4s; }
.tier::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .4s; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 40%), rgba(132,120,240,.22), transparent 55%); }
.tier:hover { border-color: rgba(167,159,241,.6); transform: translateY(-10px); box-shadow: 0 30px 70px rgba(0,0,0,.45), 0 0 60px rgba(132,120,240,.25); }
.tier:hover::before { opacity: 1; }
.tier > * { position: relative; }
.tier .mono { color: var(--lime); }
.tier h3 { font-size: 22px; margin-top: 14px; }
.tier p { color: var(--ink-2); margin-top: 8px; font-size: 15px; }
.tier ul { margin: 22px 0; display: grid; gap: 10px; flex: 1; align-content: start; }
.tier li { position: relative; padding-left: 20px; font-size: 14px; color: var(--ink-2); }
.tier li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; background: var(--lime); transform: rotate(45deg); }
.tier .meta { color: var(--ink-2); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; font-family: var(--mono); margin-bottom: 18px; }
.tier li, .tier > p:not(.mono):not(.meta) { color: #c9cfe6; }
.tier .pill { align-self: flex-start; }
.tier-featured { border-color: rgba(215,254,3,.4); background: linear-gradient(180deg, rgba(215,254,3,.07), rgba(6,8,24,.86)); }
.tier-featured:hover { border-color: var(--lime); box-shadow: 0 30px 70px rgba(0,0,0,.45), 0 0 60px rgba(215,254,3,.18); }
.tier-featured::before { background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 40%), rgba(215,254,3,.14), transparent 55%); }
.tiers-note { color: var(--ink-2); font-size: 14px; max-width: 280px; text-align: right; line-height: 1.5; margin: 0; }

/* process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.steps-track { position: relative; height: 2px; background: var(--line); margin: 0 6px 16px; border-radius: 2px; overflow: hidden; }
.steps-track i { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: linear-gradient(90deg, var(--purple), var(--lime)); transition: width .9s cubic-bezier(.22,1,.36,1); }
.step { padding: 26px 24px 28px; transition: border-color .5s, box-shadow .5s, transform .5s, background .5s; }
.step .mono { color: var(--muted); transition: color .4s; }
.step h3 { color: var(--ink-2); transition: color .4s; }
.step.is-done .mono { color: var(--ink-2); }
.step.is-on { border-color: rgba(215,254,3,.55); box-shadow: 0 0 50px rgba(215,254,3,.12); transform: translateY(-6px); background: linear-gradient(180deg, rgba(215,254,3,.07), var(--glass)); }
.step.is-on .mono { color: var(--lime); }
.step.is-on h3 { color: var(--ink); }
.step h3 { font-size: 18px; margin: 14px 0 10px; }
.step p { color: var(--ink-2); font-size: 14px; }

/* contact */
.contact { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: start; }
.contact-side h2 { font-size: clamp(30px, 4.4vw, 60px); }
.contact-list { margin-top: 26px; display: grid; }
.contact-list a { display: block; padding: 14px 0; border-top: 1px solid var(--line); font-size: 17px; transition: color .25s; }
.contact-list li:last-child a { border-bottom: 1px solid var(--line); }
.contact-list a:hover { color: var(--lime); }
.social { display: flex; gap: 22px; margin-top: 22px; color: var(--ink-2); }
.social a:hover { color: var(--lime); }
.form { padding: 30px; display: grid; gap: 16px; position: relative; }
.field { display: grid; gap: 8px; }
.field label { font-family: var(--mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; font: inherit; color: var(--ink); background: rgba(3,6,20,.5); border: 1px solid var(--line); border-radius: 3px; padding: 13px 14px; outline: none; transition: border-color .2s; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--lime); }
.field textarea { resize: vertical; min-height: 120px; }
.field select option { background: #0a0d24; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { font-size: 14px; color: var(--ink-2); min-height: 1.4em; }
.form-status.ok { color: var(--lime); }
.form-status.err { color: #ff8a8a; }
.colophon { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; color: var(--muted); }
#contact { padding-bottom: 150px; }

/* ===== menu overlay ===== */
.menu { position: fixed; inset: 0; z-index: 80; background: rgba(3,6,20,.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); display: grid; align-content: center; padding: 0 var(--edge); opacity: 0; visibility: hidden; transition: opacity .5s, visibility 0s .5s; }
.menu.open { opacity: 1; visibility: visible; transition: opacity .5s; }
.menu-links { display: grid; gap: 6px; }
.menu-links a { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: clamp(34px, 7vw, 92px); line-height: 1; letter-spacing: -.02em; color: var(--ink-2); display: flex; align-items: baseline; gap: 22px; transform: translateY(20px); opacity: 0; transition: color .25s, transform .6s cubic-bezier(.22,1,.36,1), opacity .6s; }
.menu-links a .mono { color: var(--muted); }
.menu.open .menu-links a { transform: none; opacity: 1; }
.menu.open .menu-links a:nth-child(2) { transition-delay: .06s; } .menu.open .menu-links a:nth-child(3) { transition-delay: .12s; } .menu.open .menu-links a:nth-child(4) { transition-delay: .18s; } .menu.open .menu-links a:nth-child(5) { transition-delay: .24s; }
.menu-links a:hover { color: var(--lime); }
.menu-foot { margin-top: 40px; display: flex; gap: 30px; flex-wrap: wrap; color: var(--ink-2); }

/* ===== loader ===== */
.loader { position: fixed; inset: 0; z-index: 200; background: var(--bg); display: grid; place-items: center; transition: opacity .8s ease, visibility 0s .8s; }
.loader.done { opacity: 0; visibility: hidden; }
html.no-loader .loader { display: none; }
.loader-inner { display: grid; justify-items: center; gap: 16px; }
.loader-dots { display: flex; gap: 10px; }
.loader-dots i { width: 4px; height: 4px; border-radius: 50%; background: var(--line-2); transition: background .2s, transform .2s; }
.loader-dots i.on { background: var(--ink); transform: scale(1.4); }
.loader-pct { color: var(--ink-2); }

/* ===== keep wide chapters clear of the rail ===== */
@media (min-width: 1101px) {
  .chapter-wide { padding-left: calc(var(--edge) + 150px); }
}

/* ===== snap on large screens ===== */
@media (min-width: 900px) and (min-height: 640px) {
  html { scroll-snap-type: y proximity; }
}

/* ===== responsive ===== */
@media (max-width: 1100px) {
  .top-links { display: none; }
  .menu-btn { display: inline-flex; }
  .rail { display: none; }
}
@media (max-width: 900px) {
  .tiers, .steps { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; }
  .bottombar { grid-template-columns: 1fr auto; }
  .chat { display: none; }
}
@media (max-width: 720px) {
  .top { padding: 18px 20px; }
  .top-right .pill:not(.menu-btn) { display: none; }
  .menu-btn { display: inline-flex; padding: 10px 14px; }
  .top-right { gap: 14px; }
  .brand span { display: none; }
  .chapter { padding: 100px 20px 100px; align-content: end; }
  .chapter-copy { padding-top: 40vh; }
  #proof .chapter-copy { padding-top: 30vh; }
  .chapter h1, .chapter h2 { font-size: 32px; }
  .text { font-size: 15px; }
  .bottombar { display: none; }
  .menu-foot { flex-direction: column; gap: 12px; }
  .scroll-cue { font-size: 0; gap: 0; }
  .scroll-cue span { width: 90px; }
  .wide-head { grid-template-columns: 1fr; }
  .tiers-note { text-align: left; max-width: none; }
  .screen img { transform: none; }
  .form { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
  html.js .chapter-copy, html.js .chapter-wide-inner { opacity: 1; transform: none; transition: none; }
  .split .w > span { transform: none; transition: none; }
  .loader { display: none; }
}