/* Form & Matter — Neon / aurora, matte surfaces, and selective glass. Shared foundation. */
:root {
  --paper:#f0f2eb; --surface:#fafcf5; --ink:#161c14; --muted:#5d6657;
  --line:#d5dacd; --signal:#c5ff3d; --green:#46650e; --sage:#e2ebd2;
  --dark-muted:#bdc6b3; --light-muted:#bdc6b3; --dark-line:#35402b;
  --white:#fafcf5; --black:#070a06; --olive:#48513b; --danger:#a12b32;
  --night:#090d08; --on-night:#f1f6e9; --neon:#c5ff3d; --acid:#a6d832;
  --aurora-lime:#b9ef45; --aurora-fern:#8fa875; --aurora-silver:#d5ddca; --aurora-moss:#bfce9a;
  --glass:rgba(250,252,245,.78); --glass-edge:rgba(250,252,245,.85);
  --smoked-glass:rgba(18,26,13,.73); --smoked-edge:rgba(213,240,169,.22);
  --flutes:repeating-linear-gradient(90deg,rgba(250,255,233,.18) 0,rgba(250,255,233,.025) 2px,rgba(7,10,6,.045) 7px,rgba(250,255,233,.13) 13px,rgba(7,10,6,.10) 16px,rgba(250,255,233,.22) 18px);
  --surface-dots:radial-gradient(circle,rgba(197,255,61,.13) .7px,transparent 1px);
  --aurora-invitation:radial-gradient(ellipse at 100% 120%,#a6d83280,transparent 58%),radial-gradient(ellipse at 85% 15%,#46650e80,transparent 55%),var(--night);
  --aurora-dark:radial-gradient(ellipse at 95% 110%,#78a62399,transparent 58%),radial-gradient(ellipse at 65% -30%,#3e542166,transparent 60%),var(--night);
  --font:'Manrope',Arial,sans-serif; --mono:'Courier New',monospace;
  --gutter:clamp(22px,5vw,80px); --section:clamp(76px,8vw,124px);
  --radius:28px; --control-radius:12px; --radius-small:16px; --radius-hero:40px; --pill:100px;
  --title:clamp(38px,4.6vw,66px); --ease:cubic-bezier(.2,.7,.2,1);
  --motion-enter:820ms; --motion-ease:cubic-bezier(.16,1,.3,1); --motion-press:130ms; --motion-light:16s;
  --motion-spring:cubic-bezier(.2,1.45,.35,1); --motion-assemble:1050ms;
  --motion-stagger:75ms; --motion-fan:650ms; --motion-hover-scale:1.035;
  --motion-drift:4px; --motion-assembly-x:54px; --motion-assembly-y:32px;
  --motion-parallax:30px; --motion-stack-inset:32px; --motion-mark-turn:90deg;
  --deck-gap:clamp(160px,30vh,320px); --deck-lip:18px; --deck-height:clamp(500px,65vh,580px); --deck-width:1120px; --deck-tail:180px;
  --neon-yellow:#edff36; --emerald:#168653; --ink-black:#080c0c;
  --deck-ink:radial-gradient(ellipse at 100% 100%,#1c623c,transparent 68%),linear-gradient(120deg,var(--ink-black),var(--ink));
  --deck-forest:radial-gradient(ellipse at 90% 15%,#76cd66,transparent 64%),linear-gradient(135deg,#062e22,var(--emerald));
  --deck-lime:radial-gradient(ellipse at 95% 75%,var(--signal),transparent 65%),linear-gradient(135deg,#125a39,#9fea57);
  --deck-yellow:radial-gradient(ellipse at 15% 100%,var(--ink),transparent 75%),linear-gradient(120deg,#b8ee67,var(--neon-yellow));
  --deck-silver:radial-gradient(ellipse at 100% 100%,#c8ff65,transparent 70%),radial-gradient(ellipse at 0% 100%,var(--ink-black),transparent 65%),var(--surface);
  --studio-mint:#dcefcf; --studio-pale:#f1f7da; --forest-deep:#10372b;
  --closing-pad:clamp(28px,5vw,72px); --closing-gap:clamp(24px,4vw,56px);
  --closing-light-time:20s; --closing-orbit-time:30s;
  --studio-wash:radial-gradient(ellipse at 95% 20%,var(--signal),transparent 52%),radial-gradient(ellipse at 15% 100%,var(--studio-mint),transparent 65%),var(--studio-pale);
  --faq-wash:radial-gradient(ellipse at 0% 100%,var(--forest-deep),transparent 70%),var(--ink-black);
  --footer-wash:radial-gradient(ellipse at 66% 48%,var(--neon-yellow) 0%,transparent 28%),radial-gradient(ellipse at 92% 14%,var(--signal) 0%,transparent 40%),radial-gradient(ellipse at 46% 85%,var(--emerald),transparent 55%),var(--forest-deep);
  --footer-flutes:repeating-linear-gradient(90deg,rgba(250,252,245,.2) 0px,rgba(250,252,245,.035) 3px,rgba(8,12,12,.22) 11px,rgba(250,252,245,.1) 17px,rgba(8,12,12,.34) 23px,rgba(250,252,245,.24) 26px);
  --footer-light-time:24s;
  --preview-cycle:8s;
  --nav-selected-fill:color-mix(in srgb,var(--signal) 16%,var(--night)); --nav-hover-fill:color-mix(in srgb,var(--signal) 8%,var(--night));
  --glass-blur-rest:14px; --glass-blur-active:24px;
  --glow-lime:#c5ff3d38; --glow-fog:#d5ddca29; --glow-edge:#c5ff3d66;
  --shadow-interactive:0 12px 30px -12px #a6d83266,inset 0 1px 0 #fafcf566;
  --fast:180ms; --slow:650ms;
  --shadow-low:0 2px 5px #15200906,0 8px 20px #15200905;
  --shadow:0 2px 3px #15200905,0 14px 35px -16px #20301029,inset 0 1px 0 var(--glass-edge);
  --shadow-float:0 4px 9px #15200912,0 30px 65px -25px #18280a55,inset 0 1px 0 var(--glass-edge);
  --headline-lime:#c5ff3d; --headline-citrus:#e7ffa2; --headline-fern:#99c75d;
  --process-black:#090d08; --process-fern:#283b18; --process-moss:#3d5223; --footer-moss:#344519;
  --aurora:radial-gradient(ellipse at 10% 85%,var(--aurora-fern),transparent 54%),radial-gradient(ellipse at 85% 85%,var(--aurora-silver),transparent 56%),radial-gradient(ellipse at 50% 100%,var(--aurora-lime),transparent 58%);
}

/* Sampled damped spring: mass 1, stiffness 180, damping 18, 700ms settling window. */
@supports (animation-timing-function:linear(0,1)){
  :root{--motion-spring:linear(0,0.0377,0.1311,0.2555,0.3921,0.5272,0.6517,0.7604,0.8506,0.922,0.9757,1.0136,1.0382,1.0521,1.0578,1.0576,1.0533,1.0467,1.0389,1.0309,1.0234,1.0166,1.0109,1.0062,1.0027,1.0001,0.9983,0.9972,0.9967,0.9966,0.9968,0.9971,1)}
}