:root {
  --night: #050817;
  --night-2: #090d20;
  --surface: #10162a;
  --surface-2: #151d34;
  --ink: #f6f7fb;
  --muted: #a8b1c7;
  --dim: #76819a;
  --line: rgba(202, 215, 255, .13);
  --line-bright: rgba(202, 215, 255, .25);
  --mint: #74f0c1;
  --mint-dark: #35c890;
  --violet: #9d7cff;
  --violet-deep: #6d4cf0;
  --amber: #ffbc66;
  --rose: #ff738f;
  --cyan: #62d8ff;
  --heading-font: "Avenir Next", "Century Gothic", "Segoe UI", ui-sans-serif, sans-serif;
  --body-font: "Segoe UI", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shell: min(1180px, calc(100% - 48px));
  --px: 0;
  --py: 0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--night); }
body { margin: 0; overflow-x: hidden; background: var(--night); color: var(--ink); font-family: var(--body-font); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
p, h1, h2, h3 { text-wrap: pretty; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 200; transform: translateY(-160%); padding: 10px 15px; border-radius: 5px; background: var(--ink); color: var(--night); font-weight: 700; }
.skip-link:focus { transform: none; }
.scroll-progress { position: fixed; inset: 0 auto auto 0; z-index: 120; width: var(--scroll-progress, 0%); height: 2px; background: linear-gradient(90deg, var(--mint), var(--violet)); box-shadow: 0 0 15px var(--mint); pointer-events: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; background: linear-gradient(180deg, rgba(5,8,23,.92), rgba(5,8,23,.64) 72%, transparent); transition: background .25s ease, border-color .25s ease; }
.site-header.is-scrolled { background: rgba(5,8,23,.86); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.nav { min-height: 76px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-family: var(--heading-font); font-weight: 650; letter-spacing: -.025em; }
.brand-mark { position: relative; display: grid; place-items: center; width: 33px; height: 33px; border: 1px solid rgba(116,240,193,.38); border-radius: 9px 9px 14px 14px; background: linear-gradient(145deg, rgba(116,240,193,.19), rgba(157,124,255,.12)); box-shadow: inset 0 0 14px rgba(116,240,193,.08), 0 0 22px rgba(116,240,193,.08); }
.brand-mark::before { content: ""; width: 10px; height: 14px; border-left: 3px solid var(--mint); border-right: 3px solid var(--violet); border-radius: 4px 4px 9px 9px; transform: translateY(2px); }
.brand-mark i { position: absolute; top: 3px; width: 2px; height: 7px; border-radius: 2px; background: var(--mint); transform: rotate(-27deg); transform-origin: bottom; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 25px; }
.nav-links a { position: relative; color: #b7c0d4; font-size: .9rem; text-decoration: none; }
.nav-links a::after { content: ""; position: absolute; inset: auto 0 -8px; height: 1px; background: var(--mint); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav-links a:hover { color: white; }
.nav-links a:hover::after { transform: scaleX(1); }

.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 10px; padding: 12px 19px; border: 1px solid transparent; border-radius: 7px; color: var(--night); background: var(--mint); text-decoration: none; font-weight: 720; box-shadow: inset 0 1px rgba(255,255,255,.38), 0 12px 34px -16px rgba(116,240,193,.7); transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); background: #8af6cd; box-shadow: inset 0 1px rgba(255,255,255,.5), 0 16px 38px -14px rgba(116,240,193,.8); }
.button:active { transform: translateY(0); }
.button-small { min-height: 40px; padding: 8px 14px; font-size: .84rem; }
.button-wide { width: 100%; margin-top: 24px; }
.button-arrow { font-size: 1.08em; transition: transform .18s ease; }
.button:hover .button-arrow { transform: translateX(3px); }
.button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid rgba(116,240,193,.55); outline-offset: 4px; }
.text-link { color: #d9def0; font-weight: 650; text-decoration-color: rgba(116,240,193,.52); text-decoration-thickness: 1px; text-underline-offset: 5px; transition: color .18s ease; }
.text-link:hover { color: var(--mint); }

.hero { position: relative; isolation: isolate; min-height: 100svh; overflow: hidden; display: flex; align-items: center; padding: 108px 0 78px; background: radial-gradient(circle at 72% 46%, rgba(83,47,171,.17), transparent 30%), linear-gradient(180deg, #040615 0%, #070b1c 68%, #090d20 100%); }
.hero::before { content: ""; position: absolute; z-index: -2; inset: 0; opacity: .38; background-image: linear-gradient(rgba(255,255,255,.021) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(to bottom, black, transparent 82%); }
.hero-aurora { position: absolute; z-index: -1; width: 700px; height: 420px; right: -200px; top: 5%; border-radius: 50%; background: radial-gradient(ellipse, rgba(101,70,205,.16), transparent 66%); filter: blur(24px); transform: rotate(-18deg); }
.hero-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; align-items: center; }
.hero-copy { position: relative; z-index: 8; padding-top: 18px; }
.eyebrow { margin: 0 0 18px; color: var(--mint); font-family: var(--mono); font-size: .71rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow-pulse { display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(116,240,193,.1), 0 0 15px var(--mint); animation: soft-pulse 2.8s ease-in-out infinite; }
h1, h2, h3 { margin: 0; color: var(--ink); font-family: var(--heading-font); font-weight: 560; }
h1 { max-width: 730px; font-size: clamp(3.7rem, 5.1vw, 5.25rem); line-height: .93; letter-spacing: -.06em; }
h1 em, h2 em { color: var(--mint); font-style: normal; }
.lede { max-width: 630px; margin: 27px 0 0; color: #bdc5d8; font-size: clamp(1.08rem, 1.7vw, 1.3rem); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }
.microcopy { max-width: 680px; margin: 19px 0 0; color: #77839c; font-size: .76rem; line-height: 1.55; }
.microcopy strong { color: #9ba5bc; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 11px 21px; margin-top: 26px; color: #9ca7bd; font-size: .78rem; }
.hero-proof span { display: flex; align-items: center; gap: 8px; }
.hero-proof b { color: var(--violet); font-size: .54rem; }
.scroll-cue { position: absolute; z-index: 9; left: 50%; bottom: 24px; display: flex; flex-direction: column; align-items: center; gap: 9px; color: #737e95; font-family: var(--mono); font-size: .65rem; letter-spacing: .12em; text-decoration: none; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue span { display: block; width: 1px; height: 25px; background: linear-gradient(var(--mint), transparent); animation: scroll-cue 2.2s ease-in-out infinite; }

/* Original CSS illustration: a luminous path through the ModelGrove. */
.grove-scene { position: relative; z-index: 2; min-height: 520px; margin-right: 0; transform: perspective(1000px) rotateX(calc(var(--py) * -1deg)) rotateY(calc(var(--px) * 1deg)); transform-style: preserve-3d; transition: transform .12s linear; }
.grove-scene::before { content: ""; position: absolute; z-index: -2; inset: 12% 2% 4% 8%; border-radius: 50%; background: radial-gradient(circle at 66% 42%, rgba(92,255,211,.14), transparent 10%), radial-gradient(circle at 68% 40%, rgba(121,83,255,.25), transparent 31%), radial-gradient(ellipse at center bottom, rgba(38,164,133,.11), transparent 54%); filter: blur(4px); }
.grove-scene::after { content: ""; position: absolute; z-index: -3; inset: auto -12% 2% 0; height: 38%; background: radial-gradient(ellipse at 62% 82%, rgba(96,226,192,.12), transparent 39%), linear-gradient(175deg, transparent 10%, rgba(2,4,13,.8) 14%, #030510 75%); border-radius: 60% 20% 0 0; transform: rotate(-1deg); }
.moon { position: absolute; top: 33px; right: 162px; width: 75px; height: 75px; border-radius: 50%; background: #d8ddff; box-shadow: 0 0 28px rgba(190,197,255,.48), 0 0 100px rgba(136,114,255,.22); opacity: .73; }
.moon::after { content: ""; position: absolute; inset: 8px 0 0 15px; border-radius: 50%; background: #090d20; }
.stars i { position: absolute; width: 2px; height: 2px; border-radius: 50%; background: #cbd5ff; box-shadow: 0 0 8px #cbd5ff; animation: twinkle 3.3s ease-in-out infinite; }
.stars i:nth-child(1) { top: 12%; left: 20%; }
.stars i:nth-child(2) { top: 21%; left: 42%; animation-delay: -.8s; }
.stars i:nth-child(3) { top: 9%; right: 26%; animation-delay: -1.9s; }
.stars i:nth-child(4) { top: 30%; right: 12%; animation-delay: -2.5s; }
.stars i:nth-child(5) { top: 38%; left: 13%; animation-delay: -1.2s; }
.stars i:nth-child(6) { top: 14%; right: 44%; animation-delay: -2.8s; }
.stars i:nth-child(7) { top: 45%; right: 37%; animation-delay: -.4s; }
.tree { position: absolute; bottom: 128px; width: 100px; height: 330px; transform-origin: bottom; filter: drop-shadow(0 12px 12px rgba(0,0,0,.6)); }
.tree::before { content: ""; position: absolute; left: 43px; bottom: 0; width: 19px; height: 210px; background: linear-gradient(90deg, #070a14, #11172a 60%, #060812); border-radius: 60% 45% 8px 8px; transform: rotate(2deg); }
.tree i { position: absolute; display: block; width: 85px; height: 116px; border-radius: 50% 50% 48% 42%; background: radial-gradient(circle at 58% 35%, #13283a, #07111e 62%); }
.tree i:nth-child(1) { top: 12px; left: 8px; }
.tree i:nth-child(2) { top: 82px; left: -12px; transform: scale(.92); }
.tree i:nth-child(3) { top: 116px; left: 30px; transform: scale(.8); }
.tree-one { left: 7%; transform: scale(1.08) rotate(-5deg); opacity: .88; }
.tree-two { right: 0; bottom: 109px; transform: scale(1.28) rotate(5deg); opacity: .82; }
.tree-three { right: 20%; bottom: 151px; transform: scale(.75); opacity: .52; }
.portal { position: absolute; z-index: 2; right: 26%; bottom: 135px; width: 142px; height: 238px; border: 9px solid #25213a; border-bottom: 0; border-radius: 80px 80px 7px 7px; background: radial-gradient(circle at 52% 34%, rgba(230,255,250,.9), rgba(98,226,255,.76) 8%, rgba(121,83,255,.7) 38%, rgba(28,13,76,.75) 72%), linear-gradient(#36216c, #140c2f); box-shadow: inset 0 0 34px rgba(255,255,255,.2), 0 0 12px rgba(105,214,255,.65), 0 0 65px rgba(123,78,255,.38); overflow: hidden; }
.portal::before { content: ""; position: absolute; inset: 11px; border: 1px solid rgba(220,255,255,.42); border-radius: 70px 70px 3px 3px; }
.portal::after { content: ""; position: absolute; left: -30%; bottom: -5%; width: 160%; height: 30%; background: rgba(114,248,212,.3); filter: blur(14px); }
.portal span { position: absolute; top: 41px; left: 29px; width: 59px; height: 118px; border-radius: 50%; border-left: 2px solid rgba(255,255,255,.45); transform: rotate(26deg); filter: blur(1px); }
.stone-path { position: absolute; z-index: 1; right: 7%; bottom: 35px; width: 58%; height: 190px; clip-path: polygon(42% 0, 65% 0, 100% 100%, 0 100%); background: repeating-linear-gradient(169deg, transparent 0 21px, rgba(116,240,193,.08) 22px 24px), repeating-linear-gradient(78deg, rgba(34,40,64,.7) 0 35px, rgba(5,7,18,.88) 37px 40px); opacity: .86; transform: perspective(240px) rotateX(18deg); box-shadow: inset 0 30px 50px rgba(116,240,193,.08); }
.model-spirit { position: absolute; z-index: 5; width: 58px; height: 58px; filter: drop-shadow(0 10px 7px rgba(0,0,0,.7)); animation: spirit-float 3.6s ease-in-out infinite; }
.model-spirit::before, .model-spirit::after { content: ""; position: absolute; }
.spirit-ember { left: 29%; bottom: 134px; border-radius: 52% 48% 45% 55%; background: radial-gradient(circle at 38% 32%, #fff0b8 0 5%, #ffba5e 7% 30%, #ff6c3b 68%, #8a2232); box-shadow: 0 0 25px rgba(255,118,54,.33); }
.spirit-ember::before { left: 17px; top: -16px; width: 25px; height: 30px; border-radius: 80% 20% 62% 38%; background: #ff893e; transform: rotate(28deg); }
.spirit-ember::after { left: 15px; top: 27px; width: 6px; height: 6px; border-radius: 50%; background: #351128; box-shadow: 23px 0 #351128; }
.spirit-sprout { left: 39%; bottom: 108px; border-radius: 48% 52% 44% 56%; background: linear-gradient(145deg, #9deb7b, #39a865); animation-delay: -.9s; }
.spirit-sprout::after { left: 15px; top: 28px; width: 5px; height: 5px; border-radius: 50%; background: #10291f; box-shadow: 22px 0 #10291f; }
.spirit-sprout i, .spirit-sprout b { position: absolute; top: -17px; width: 28px; height: 16px; border-radius: 100% 10%; background: #7bea6a; }
.spirit-sprout i { left: 5px; transform: rotate(26deg); }
.spirit-sprout b { right: 3px; border-radius: 10% 100%; transform: rotate(-23deg); }
.spirit-crystal { left: 49%; bottom: 151px; clip-path: polygon(50% 0, 95% 30%, 85% 86%, 50% 100%, 12% 84%, 3% 31%); background: linear-gradient(145deg, #9cf3ff, #3ba4dd 45%, #3158aa); animation-delay: -1.7s; }
.spirit-crystal::after { left: 17px; top: 27px; width: 5px; height: 5px; border-radius: 50%; background: #10264c; box-shadow: 20px 0 #10264c; }
.spirit-cube { left: 59%; bottom: 108px; border-radius: 9px; background: linear-gradient(145deg, #bc9aff, #6e4fd9); box-shadow: inset -8px -9px rgba(28,14,78,.28); animation-delay: -2.4s; }
.spirit-cube::before { left: 14px; top: 27px; width: 5px; height: 5px; border-radius: 50%; background: #271b4e; box-shadow: 24px 0 #271b4e; }
.spirit-guide { right: 11%; bottom: 118px; width: 72px; height: 49px; border: 3px solid #1e3c50; border-radius: 25px; background: linear-gradient(145deg, #17384a, #091926); box-shadow: 0 0 21px rgba(98,216,255,.18); animation-delay: -1.2s; }
.spirit-guide::before { left: 19px; top: 18px; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 28px 0 var(--cyan), 0 0 9px var(--cyan), 28px 0 9px var(--cyan); }
.spirit-guide::after { left: -10px; bottom: -12px; width: 12px; height: 21px; border: 3px solid #1e3c50; border-radius: 5px 4px 9px 9px; box-shadow: 72px 0 0 -3px #0d2737, 72px 0 0 0 #1e3c50; }
.spirit-guide i { position: absolute; left: 33px; top: -14px; width: 3px; height: 14px; background: #1e3c50; }
.spirit-guide i::after { content: ""; position: absolute; top: -4px; left: -3px; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.fireflies i { position: absolute; z-index: 9; width: 4px; height: 4px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 11px 3px rgba(116,240,193,.48); animation: firefly 5s ease-in-out infinite; }
.fireflies i:nth-child(1) { left: 24%; top: 30%; }
.fireflies i:nth-child(2) { left: 44%; top: 39%; animation-delay: -1.7s; }
.fireflies i:nth-child(3) { right: 34%; top: 19%; animation-delay: -3.1s; }
.fireflies i:nth-child(4) { right: 12%; top: 48%; animation-delay: -2.3s; }
.fireflies i:nth-child(5) { left: 36%; top: 55%; animation-delay: -.8s; }
.fireflies i:nth-child(6) { right: 27%; top: 60%; animation-delay: -4.2s; }
.scene-caption { position: absolute; right: 23%; bottom: 41px; z-index: 8; display: flex; align-items: center; gap: 11px; color: #77859f; font-family: var(--mono); font-size: .61rem; letter-spacing: .12em; text-transform: uppercase; }
.scene-caption i { width: 38px; height: 1px; background: linear-gradient(90deg, var(--violet), var(--mint)); }

.section { position: relative; padding: 118px 0; }
.section-heading { max-width: 790px; margin-bottom: 50px; }
.section-heading.compact { max-width: 600px; }
h2 { font-size: clamp(2.65rem, 5.3vw, 5.15rem); line-height: .99; letter-spacing: -.057em; }
h3 { font-size: 1.45rem; letter-spacing: -.025em; }
.section-heading > p:last-child { max-width: 680px; margin: 20px 0 0; color: var(--muted); font-size: 1.06rem; }
.path-section { background: linear-gradient(180deg, #090d20, #0c1225); }
.path-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 10% 60%, rgba(116,240,193,.05), transparent 23%), radial-gradient(circle at 83% 25%, rgba(157,124,255,.08), transparent 27%); pointer-events: none; }
.path-picker { position: relative; display: grid; grid-template-columns: 1.18fr .91fr .91fr; gap: 14px; }
.path-card { position: relative; isolation: isolate; min-height: 315px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; padding: 27px; border: 1px solid var(--line); border-radius: 12px; background: #10162a; text-decoration: none; transition: transform .22s ease, border-color .22s ease; }
.path-card::after { content: ""; position: absolute; z-index: -1; inset: 0; opacity: .42; transition: opacity .22s ease, transform .35s ease; }
.path-compare::after { background: radial-gradient(circle at 62% 30%, rgba(116,240,193,.3), transparent 32%), linear-gradient(150deg, transparent 45%, rgba(116,240,193,.06)); }
.path-build::after { background: radial-gradient(circle at 57% 29%, rgba(157,124,255,.3), transparent 31%), linear-gradient(150deg, transparent 45%, rgba(157,124,255,.07)); }
.path-save::after { background: radial-gradient(circle at 58% 29%, rgba(255,188,102,.28), transparent 29%), linear-gradient(150deg, transparent 45%, rgba(255,188,102,.07)); }
.path-card:hover { transform: translateY(-5px); border-color: var(--line-bright); }
.path-card:hover::after { opacity: .72; transform: scale(1.05); }
.path-number { position: absolute; top: 22px; left: 24px; color: #68738a; font-family: var(--mono); font-size: .65rem; }
.path-arrow { position: absolute; top: 20px; right: 24px; color: #9aa7c0; font-size: 1.35rem; transition: transform .2s ease, color .2s ease; }
.path-card:hover .path-arrow { color: white; transform: translate(3px, 3px); }
.path-copy strong, .path-copy small { display: block; }
.path-copy strong { font-family: var(--heading-font); font-size: 1.4rem; letter-spacing: -.03em; }
.path-copy small { max-width: 280px; margin-top: 9px; color: #929db3; font-size: .85rem; line-height: 1.5; }
.path-orbit { position: absolute; top: 65px; left: 50%; width: 98px; height: 98px; border: 1px solid rgba(116,240,193,.32); border-radius: 50%; transform: translateX(-50%); animation: orbit 9s linear infinite; }
.path-orbit::before { content: ""; position: absolute; inset: 17px; border: 1px dashed rgba(116,240,193,.25); border-radius: 50%; }
.path-orbit i { position: absolute; left: 9px; top: 10px; width: 15px; height: 15px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 18px var(--mint); }
.path-code { position: absolute; top: 73px; left: 50%; color: var(--violet); font-family: var(--mono); font-size: 2.5rem; text-shadow: 0 0 24px rgba(157,124,255,.45); transform: translateX(-50%); }
.path-spark { position: absolute; top: 65px; left: 50%; color: var(--amber); font-size: 3.8rem; text-shadow: 0 0 28px rgba(255,188,102,.52); transform: translateX(-50%); animation: spark 3.3s ease-in-out infinite; }

.capability-ribbon { overflow: hidden; border-block: 1px solid var(--line); background: #070a18; }
.ribbon-track { width: max-content; display: flex; align-items: center; gap: 27px; padding: 18px 0; color: #8994aa; font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; animation: marquee 28s linear infinite; }
.ribbon-track i { color: var(--mint); font-style: normal; font-size: .56rem; }

.fit-section { background: #080c1d; }
.fit-layout { display: grid; grid-template-columns: .76fr 1.24fr; gap: 82px; align-items: start; }
.fit-intro { position: sticky; top: 125px; margin-bottom: 0; }
.fit-intro h2 { font-size: clamp(2.7rem, 4.4vw, 4.7rem); }
.fit-intro .text-link { display: inline-block; margin-top: 24px; }
.fit-cards { display: grid; gap: 16px; }
.fit-card { position: relative; overflow: hidden; min-height: 390px; padding: 36px; border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(145deg, rgba(20,29,51,.95), rgba(12,17,34,.95)); }
.fit-card::after { content: ""; position: absolute; right: -90px; bottom: -120px; width: 260px; height: 260px; border-radius: 50%; background: rgba(116,240,193,.05); }
.fit-card.caution::after { background: rgba(255,188,102,.05); }
.card-label { margin: 0 0 13px; color: var(--mint); font-family: var(--mono); font-size: .67rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.caution .card-label { color: var(--amber); }
.card-signal { display: flex; gap: 5px; position: absolute; top: 29px; right: 31px; }
.card-signal span { width: 5px; height: 17px; border-radius: 2px; background: var(--mint); opacity: .35; animation: signal 1.6s ease-in-out infinite; }
.card-signal span:nth-child(2) { height: 24px; animation-delay: -.45s; }
.card-signal span:nth-child(3) { height: 11px; animation-delay: -.9s; }
.caution-signal span { background: var(--amber); }
ul { margin: 27px 0 0; padding: 0; list-style: none; }
li { position: relative; margin: 16px 0; padding-left: 27px; color: #a6b0c6; }
li::before { content: "✦"; position: absolute; left: 0; top: .12em; color: var(--mint); font-size: .69rem; }
.caution li::before { content: "—"; color: var(--amber); font-size: 1rem; }

.calculator-section { isolation: isolate; overflow: hidden; background: linear-gradient(135deg, #0d142b 0%, #131332 53%, #091522 100%); }
.calculator-section::before { content: ""; position: absolute; z-index: -2; inset: 0; opacity: .5; background-image: radial-gradient(circle at center, rgba(255,255,255,.12) 0 1px, transparent 1.5px); background-size: 42px 42px; mask-image: radial-gradient(circle at 71% 50%, black, transparent 66%); }
.calculator-glow { position: absolute; z-index: -1; right: 5%; top: 5%; width: 510px; height: 510px; border-radius: 50%; background: radial-gradient(circle, rgba(126,82,255,.25), transparent 62%); filter: blur(24px); }
.calculator-layout { display: grid; grid-template-columns: .86fr 1.14fr; gap: 88px; align-items: center; }
.fact-stack { display: grid; gap: 10px; margin-top: 32px; }
.fact-stack span { display: flex; align-items: baseline; gap: 12px; color: #8995ac; font-size: .83rem; }
.fact-stack b { min-width: 52px; color: var(--mint); font-family: var(--mono); font-size: .92rem; }
.calculator-card { padding: 35px; border: 1px solid rgba(205,215,255,.2); border-radius: 14px; background: rgba(8,12,28,.78); box-shadow: inset 0 1px rgba(255,255,255,.05), 0 30px 80px -42px rgba(0,0,0,.8); backdrop-filter: blur(14px); }
.calculator-topline { display: flex; justify-content: space-between; margin-bottom: 31px; color: #77849d; font-family: var(--mono); font-size: .63rem; letter-spacing: .08em; text-transform: uppercase; }
.live-dot { display: flex; align-items: center; gap: 7px; color: var(--mint); }
.live-dot i { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px var(--mint); }
.calculator-card label { display: block; margin-bottom: 10px; color: #c9d0df; font-size: .84rem; font-weight: 650; }
.currency-input { display: flex; align-items: center; gap: 8px; padding: 0 18px; border: 1px solid rgba(205,215,255,.2); border-radius: 8px; background: rgba(255,255,255,.04); color: #8d99b1; font-family: var(--mono); font-size: 1.65rem; transition: border-color .18s ease, box-shadow .18s ease; }
.currency-input:focus-within { border-color: var(--mint); box-shadow: 0 0 0 4px rgba(116,240,193,.1), 0 0 28px rgba(116,240,193,.06); }
.currency-input input { width: 100%; padding: 16px 0; border: 0; outline: 0; background: transparent; color: white; font: inherit; font-size: 1.65rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 17px; }
.result-grid div { padding: 16px 13px; border: 1px solid rgba(205,215,255,.1); border-radius: 7px; background: rgba(255,255,255,.025); }
.result-grid span, .result-grid strong { display: block; }
.result-grid span { color: #78849b; font-size: .66rem; }
.result-grid strong { margin-top: 7px; color: white; font-family: var(--mono); font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.fineprint { color: #69758d; font-size: .72rem; line-height: 1.5; }
.calculator-card .fineprint { margin: 15px 0 0; text-align: center; }

.integrations-section { background: #080b19; }
.integrations-heading { max-width: none; display: grid; grid-template-columns: 1.18fr .82fr; gap: 80px; align-items: end; }
.integrations-heading > p { margin-bottom: 6px !important; }
.integration-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.integration-card { position: relative; min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; gap: 22px; padding: 25px; border: 1px solid var(--line); border-radius: 10px; background: #0d1325; text-decoration: none; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.integration-card:hover { transform: translateY(-4px); border-color: rgba(116,240,193,.3); background: #11192d; }
.integration-feature { grid-column: span 2; min-height: 260px; background: radial-gradient(circle at 80% 18%, rgba(116,240,193,.12), transparent 29%), #0d1627; }
.integration-icon { display: grid; place-items: center; width: 43px; height: 43px; border: 1px solid rgba(157,124,255,.28); border-radius: 8px; color: #c5b7ff; background: rgba(157,124,255,.08); font-family: var(--mono); font-size: .68rem; font-weight: 800; }
.integration-feature .integration-icon { border-color: rgba(116,240,193,.3); color: var(--mint); background: rgba(116,240,193,.08); }
.integration-tag { margin: 0 0 7px; color: #65728a; font-family: var(--mono); font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; }
.integration-card h3 { font-size: 1.22rem; }
.integration-card p:not(.integration-tag) { max-width: 390px; margin: 8px 0 0; color: #8793aa; font-size: .82rem; }
.integration-arrow { position: absolute; top: 24px; right: 25px; color: #67748b; font-size: 1.08rem; }
.integration-card:hover .integration-arrow { color: var(--mint); }
.centre { margin: 38px 0 0; text-align: center; }

.questions-section { background: linear-gradient(180deg, #0a0e1e, #080b18); }
.questions-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; align-items: start; }
.questions-layout .section-heading { position: sticky; top: 125px; margin: 0; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; cursor: pointer; padding: 25px 44px 25px 0; color: #dfe3ec; font-family: var(--heading-font); font-size: 1.03rem; font-weight: 600; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 5px; top: 18px; color: var(--mint); font-family: var(--body-font); font-size: 1.55rem; font-weight: 300; }
details[open] summary::after { content: "−"; }
details p { max-width: 680px; margin: -4px 45px 25px 0; color: #8e99af; }

.final-cta { position: relative; isolation: isolate; overflow: hidden; padding: 140px 0; background: radial-gradient(circle at 22% 48%, rgba(116,240,193,.13), transparent 22%), radial-gradient(circle at 80% 34%, rgba(119,76,241,.18), transparent 28%), #050817; }
.final-cta::before { content: ""; position: absolute; z-index: -1; left: 0; right: 0; bottom: 0; height: 42%; background: linear-gradient(172deg, transparent 5%, rgba(8,16,28,.82) 6%), repeating-linear-gradient(92deg, rgba(32,45,61,.22) 0 28px, rgba(5,8,18,.3) 30px 32px); }
.final-stars { position: absolute; inset: 0; opacity: .35; background-image: radial-gradient(circle, var(--mint) 0 1px, transparent 1.5px); background-size: 74px 74px; mask-image: radial-gradient(circle at 50% 50%, black, transparent 75%); }
.final-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; align-items: center; }
.final-grid h2 { max-width: 820px; }
.final-grid p:not(.eyebrow):not(.microcopy) { max-width: 640px; color: #9ca7bb; font-size: 1.05rem; }
.final-mark { position: relative; width: 250px; height: 310px; margin: auto; border: 10px solid #1d293a; border-bottom: 0; border-radius: 130px 130px 8px 8px; background: radial-gradient(circle at 52% 38%, rgba(233,255,249,.93), rgba(95,221,255,.78) 8%, rgba(116,77,238,.71) 42%, rgba(18,10,48,.85) 74%); box-shadow: 0 0 21px rgba(98,216,255,.36), 0 0 100px rgba(116,77,238,.25); }
.final-mark::after { content: ""; position: absolute; left: 50%; bottom: -56px; width: 340px; height: 90px; border-radius: 50%; background: rgba(116,240,193,.16); filter: blur(21px); transform: translateX(-50%); }
.final-mark span, .final-mark i, .final-mark b { position: absolute; border-radius: 50%; background: white; box-shadow: 0 0 15px white; animation: final-float 4s ease-in-out infinite; }
.final-mark span { width: 7px; height: 7px; left: 28%; top: 35%; }
.final-mark i { width: 4px; height: 4px; right: 26%; top: 52%; animation-delay: -1.6s; }
.final-mark b { width: 5px; height: 5px; left: 50%; top: 68%; animation-delay: -2.7s; }

.footer { padding: 70px 0 24px; border-top: 1px solid var(--line); background: #040611; }
.footer-grid { display: grid; grid-template-columns: 1.25fr .65fr .8fr 1fr; gap: 48px; }
.footer-grid p, .footer-grid a { color: #77839a; font-size: .81rem; }
.footer-grid strong { color: #c5ccdb; font-size: .78rem; }
.footer-grid strong, .footer-grid a { display: block; }
.footer-grid a { margin-top: 10px; text-decoration-color: rgba(116,240,193,.25); }
.footer-grid a:hover { color: var(--mint); }
.footer-grid .brand { display: inline-flex; color: white; font-size: .96rem; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 52px; padding-top: 21px; border-top: 1px solid var(--line); color: #566176; font-family: var(--mono); font-size: .62rem; letter-spacing: .04em; }
.mobile-cta { display: none; }

/* Article pages keep the same world while optimising for reading. */
body:not(.home) { background: #070a17; }
body:not(.home) .site-header { background: rgba(5,8,23,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.article-main { overflow: hidden; padding-top: 76px; }
.article-hero { position: relative; padding: 90px 0 66px; background: radial-gradient(circle at 78% 20%, rgba(157,124,255,.12), transparent 26%); }
.article-hero h1 { max-width: 960px; font-size: clamp(3rem, 6vw, 5.4rem); }
.article-hero .lede { max-width: 850px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 23px; margin-top: 25px; color: #8490a6; font-size: .78rem; }
.article-meta span::before { content: "✦"; margin-right: 8px; color: var(--mint); font-size: .62rem; }
.article-layout { display: grid; grid-template-columns: 220px minmax(0, 780px); gap: 72px; align-items: start; padding-bottom: 110px; }
.article-toc { position: sticky; top: 105px; display: grid; gap: 11px; padding: 21px 0; border-top: 1px solid var(--mint); }
.article-toc strong { margin-bottom: 4px; color: #dce2ec; }
.article-toc a { color: #8290a7; font-size: .82rem; text-decoration: none; }
.article-toc a:hover { color: var(--mint); }
.article-content section { padding: 48px 0; border-top: 1px solid var(--line); scroll-margin-top: 100px; }
.article-content section:first-child { border-top: 0; }
.article-content h2 { font-size: clamp(2.1rem, 4vw, 3.2rem); }
.article-content h3 { margin-top: 31px; }
.article-content p { color: #9ca8bd; }
.article-content a:not(.button) { color: var(--mint); text-underline-offset: 3px; }
.article-content code { padding: .13em .34em; border-radius: 4px; background: rgba(157,124,255,.12); color: #c9bbff; font-family: var(--mono); font-size: .9em; }
.article-content pre { overflow-x: auto; margin: 24px 0; padding: 22px; border: 1px solid var(--line-bright); border-radius: 8px; background: #03050d; color: #e9edf6; line-height: 1.65; }
.article-content pre code { padding: 0; background: none; color: inherit; font-size: .84rem; }
.callout { padding: 30px !important; border: 1px solid rgba(116,240,193,.18) !important; border-radius: 9px; background: rgba(116,240,193,.04); }
.callout.important { border-left: 3px solid var(--mint) !important; }
.callout .button { margin-top: 10px; }
.diagnostic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; margin-top: 28px; }
.diagnostic-grid div { padding: 21px; border: 1px solid var(--line); border-radius: 8px; background: #0d1222; }
.diagnostic-grid h3 { margin: 0; font-size: 1.04rem; }
.diagnostic-grid p { margin-bottom: 0; font-size: .88rem; }

.has-js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.has-js .reveal.is-visible { opacity: 1; transform: none; }
.path-picker .reveal:nth-child(2), .fit-cards .reveal:nth-child(2), .integration-grid .reveal:nth-child(2) { transition-delay: .09s; }
.path-picker .reveal:nth-child(3), .integration-grid .reveal:nth-child(3) { transition-delay: .16s; }
.integration-grid .reveal:nth-child(4) { transition-delay: .06s; }
.integration-grid .reveal:nth-child(5) { transition-delay: .12s; }
.integration-grid .reveal:nth-child(6) { transition-delay: .18s; }

@keyframes soft-pulse { 0%,100% { opacity: .6; transform: scale(.85); } 50% { opacity: 1; transform: scale(1); } }
@keyframes scroll-cue { 0%,100% { opacity: .35; transform: scaleY(.55); transform-origin: top; } 50% { opacity: 1; transform: scaleY(1); } }
@keyframes twinkle { 0%,100% { opacity: .25; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.4); } }
@keyframes spirit-float { 0%,100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-9px) rotate(1deg); } }
@keyframes firefly { 0%,100% { opacity: .15; transform: translate(0,0); } 25% { opacity: 1; transform: translate(12px,-18px); } 60% { opacity: .42; transform: translate(-10px,-7px); } }
@keyframes orbit { to { transform: translateX(-50%) rotate(360deg); } }
@keyframes spark { 0%,100% { opacity: .72; transform: translateX(-50%) scale(.9) rotate(0); } 50% { opacity: 1; transform: translateX(-50%) scale(1.08) rotate(9deg); } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes signal { 0%,100% { opacity: .22; transform: scaleY(.7); } 50% { opacity: .85; transform: scaleY(1); } }
@keyframes final-float { 0%,100% { transform: translateY(0); opacity: .55; } 50% { transform: translateY(-17px); opacity: 1; } }

@media (max-width: 1100px) {
  .nav-links { display: none; }
  .nav .button { margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .grove-scene { width: 100%; min-height: 440px; margin: 16px 0 0; opacity: .82; }
  .fit-layout, .questions-layout { grid-template-columns: 1fr; gap: 55px; }
  .fit-intro, .questions-layout .section-heading { position: static; }
  .fit-cards { grid-template-columns: 1fr 1fr; }
  .calculator-layout { grid-template-columns: 1fr; gap: 48px; }
  .calculator-card { max-width: 720px; }
  .final-grid { grid-template-columns: .6fr 1.4fr; gap: 45px; }
  .final-mark { width: 190px; height: 250px; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
  .article-layout { grid-template-columns: 1fr; gap: 20px; }
  .article-toc { position: static; grid-template-columns: repeat(2, 1fr); }
  .article-toc strong { grid-column: 1 / -1; }
}

@media (max-width: 800px) {
  :root { --shell: min(100% - 30px, 1180px); }
  .site-header { position: absolute; }
  .site-header.is-scrolled { background: transparent; border: 0; backdrop-filter: none; }
  .nav { min-height: 68px; gap: 12px; }
  .nav > .button { display: none; }
  .hero { min-height: auto; padding: 92px 0 58px; }
  .hero-grid { display: flex; flex-direction: column; gap: 0; }
  .hero-copy { order: 1; width: 100%; margin-top: 0; padding-top: 0; }
  h1 { font-size: clamp(2.65rem, 12vw, 3.7rem); line-height: .93; }
  .lede { margin-top: 20px; font-size: 1.03rem; }
  .grove-scene { order: 2; width: 100%; min-height: 320px; margin: 24px 0 0; transform: none; opacity: .78; }
  .moon { right: 24%; }
  .tree { bottom: 91px; transform: scale(.78); }
  .tree-one { left: 8%; }
  .tree-two { right: -1%; transform: scale(.94); }
  .tree-three { right: 23%; transform: scale(.6); }
  .portal { right: 25%; bottom: 99px; width: 106px; height: 178px; border-width: 7px; }
  .stone-path { right: 3%; bottom: 17px; height: 140px; }
  .model-spirit { transform: scale(.76); }
  .spirit-ember { left: 23%; bottom: 92px; }
  .spirit-sprout { left: 36%; bottom: 73px; }
  .spirit-crystal { left: 49%; bottom: 112px; }
  .spirit-cube { left: 61%; bottom: 70px; }
  .spirit-guide { right: 5%; bottom: 83px; transform: scale(.78); }
  .scene-caption, .scroll-cue { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 14px; margin-top: 24px; }
  .hero-copy .button { padding-inline: 14px; font-size: .92rem; white-space: nowrap; }
  .hero-actions .text-link { text-align: center; }
  .hero-proof { gap: 9px 15px; }
  .section { padding: 84px 0; }
  .section-heading { margin-bottom: 36px; }
  h2 { font-size: clamp(2.55rem, 12vw, 4rem); }
  .path-picker { grid-template-columns: 1fr; }
  .path-card { min-height: 260px; }
  .path-copy { position: relative; z-index: 2; }
  .path-orbit { top: 46px; width: 76px; height: 76px; }
  .path-code { top: 48px; font-size: 2rem; }
  .path-spark { top: 38px; font-size: 3rem; }
  .fit-cards { grid-template-columns: 1fr; }
  .fit-card { min-height: auto; padding: 28px; }
  .integrations-heading { grid-template-columns: 1fr; gap: 10px; }
  .integration-grid { grid-template-columns: 1fr; }
  .integration-feature { grid-column: auto; min-height: 230px; }
  .result-grid { grid-template-columns: 1fr; }
  .calculator-card { padding: 24px; }
  .final-cta { padding: 90px 0 110px; }
  .final-grid { grid-template-columns: 1fr; gap: 70px; }
  .final-mark { width: 145px; height: 190px; }
  .final-grid .hero-actions { align-items: stretch; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 7px; padding-bottom: 65px; }
  .mobile-cta { position: fixed; z-index: 110; left: 12px; right: 12px; bottom: 11px; min-height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border: 1px solid rgba(255,255,255,.23); border-radius: 9px; color: #061019; background: var(--mint); text-decoration: none; font-size: .88rem; font-weight: 750; box-shadow: 0 15px 45px rgba(0,0,0,.45), inset 0 1px rgba(255,255,255,.45); opacity: 0; pointer-events: none; transform: translateY(150%); visibility: hidden; transition: opacity .2s ease, transform .25s ease; }
  .mobile-cta.is-active { opacity: 1; pointer-events: auto; transform: none; visibility: visible; }
  .article-main { padding-top: 68px; }
  .article-hero { padding: 60px 0 42px; }
  .article-toc, .diagnostic-grid { grid-template-columns: 1fr; }
  .callout { padding: 23px !important; }
}

@media (max-width: 460px) {
  .brand { font-size: .91rem; }
  .brand-mark { width: 30px; height: 30px; }
  .grove-scene { min-height: 280px; }
  .model-spirit { transform: scale(.62); }
  .hero-proof { font-size: .7rem; }
  .path-card { min-height: 285px; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .has-js .reveal { opacity: 1; transform: none; }
  .grove-scene { transform: none !important; }
  .ribbon-track { width: 100%; flex-wrap: wrap; justify-content: center; }
  .ribbon-track [aria-hidden="true"] { display: none; }
}