/* ArcComplete — components: navigation, mega menu, buttons, links, cards, device, forms, footer, veil, mobile bar */

/* ---------------------------------------------------------------- navigation */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; pointer-events: none; }
.nav__inner {
  pointer-events: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: 80px; margin-top: 0; padding-inline: var(--gutter);
  border-radius: 0; background: transparent; border: 1px solid transparent;
  transition: height var(--interface) var(--ease-soft), max-width var(--interface) var(--ease-soft), margin var(--interface) var(--ease-soft),
              background var(--interface) var(--ease-soft), border-color var(--interface) var(--ease-soft), box-shadow var(--interface) var(--ease-soft),
              border-radius var(--interface) var(--ease-soft), padding var(--interface) var(--ease-soft), backdrop-filter var(--interface) var(--ease-soft), transform var(--interface) var(--ease-soft);
}
.nav.is-compact .nav__inner {
  height: 58px; max-width: 1180px; margin-top: 12px; padding-inline: 14px 12px;
  border-radius: var(--r-nav);
  background: rgba(16, 19, 27, 0.72);
  -webkit-backdrop-filter: blur(22px) saturate(140%); backdrop-filter: blur(22px) saturate(140%);
  border-color: rgba(255, 255, 255, 0.07);
  box-shadow: var(--shadow-3);
}
.nav__progress { position: absolute; left: 18px; right: 18px; bottom: -1px; height: 1px; background: linear-gradient(90deg, var(--arc), var(--violet)); transform-origin: left; transform: scaleX(var(--read, 0)); opacity: 0; transition: opacity var(--interface) var(--ease-soft); pointer-events: none; }
.nav.is-compact .nav__progress { opacity: 0.9; }
.nav.is-compact .nav__brand span { font-size: 16px; }
.nav.is-hidden .nav__inner { transform: translateY(-120%); }
.nav.is-on-warm .nav__inner { background: rgba(244, 242, 236, 0.84); border-color: rgba(11, 12, 15, 0.08); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 2px 6px rgba(11, 12, 15, 0.06), 0 12px 40px rgba(11, 12, 15, 0.12); }
.nav.is-on-warm .nav__brand, .nav.is-on-warm .nav__link:hover, .nav.is-on-warm .nav__link[aria-current="page"], .nav.is-on-warm .nav__burger { color: var(--warm-fg); }
.nav.is-on-warm .nav__link { color: var(--warm-fg-2); }
.nav.is-on-warm .nav__brand img { filter: brightness(0); }
.nav.is-on-warm .btn--primary { background: var(--warm-fg); color: var(--warm); }

.nav__brand { display: inline-flex; align-items: center; gap: 14px; color: var(--fg); }
.nav__brand img { height: 22px; width: auto; transition: filter var(--interface) var(--ease-soft); }
.nav__brand span { font-size: 17px; font-weight: 500; letter-spacing: -0.01em; }
.nav.is-compact .nav__brand img { height: 20px; }

.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 500; color: var(--fg-2);
  transition: color var(--micro) var(--ease-out), background var(--micro) var(--ease-out);
}
.nav__link:hover, .nav__link[aria-expanded="true"] { color: var(--fg); }
.nav__link[aria-current="page"] { color: var(--fg); }
.nav__link[aria-current="page"]::after {
  content: ""; position: absolute; left: 50%; bottom: 0; width: 7px; height: 7px; margin-left: -3.5px;
  border: 1.5px solid var(--arc); border-right-color: transparent; border-radius: 50%;
}
.nav__link .chev { width: 12px; height: 12px; transition: transform var(--micro) var(--ease-out); }
.nav__link[aria-expanded="true"] .chev { transform: rotate(180deg); }
.nav__actions { display: flex; align-items: center; gap: 10px; }
.nav__burger { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: var(--r-sm); color: var(--fg); }
.nav__burger svg { width: 22px; height: 22px; }

.nav-backdrop { position: fixed; inset: 0; z-index: 90; background: rgba(7, 8, 12, 0.55); -webkit-backdrop-filter: blur(1.5px); backdrop-filter: blur(1.5px); opacity: 0; pointer-events: none; transition: opacity var(--interface) var(--ease-out); }
.nav-backdrop.is-on { opacity: 1; pointer-events: auto; }

/* mega menu */
.mega {
  position: absolute; left: 50%; top: calc(100% + 8px); z-index: 101;
  width: min(1100px, calc(100vw - 2 * var(--gutter)));
  transform: translateX(-50%) translateY(-6px);
  background: rgba(16, 19, 27, 0.92);
  -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 30px 80px rgba(0, 0, 0, 0.5);
  padding: 28px;
  display: grid; grid-template-columns: 300px 1fr; gap: 28px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--interface) var(--ease-out), transform var(--interface) var(--ease-out), visibility 0s linear var(--interface);
}
.mega.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); transition-delay: 0s; }
.mega__intro { padding: 12px 8px; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.mega__intro .mega__title { font-size: 22px; font-weight: 500; letter-spacing: -0.02em; margin-bottom: 8px; }
.mega__intro p { color: var(--fg-2); font-size: 15px; max-width: 24ch; }
.mega__intro .link-underline { margin-top: 22px; display: inline-flex; font-size: 15px; white-space: nowrap; }
.mega__preview { position: relative; margin-top: 26px; height: 156px; }
.mega__shot { position: absolute; inset: 0; display: flex; flex-direction: column; gap: 8px; padding: 14px 16px; border-radius: var(--r-md); color: var(--fg);
  background: linear-gradient(160deg, var(--accent-soft), rgba(0, 0, 0, 0.35) 70%); border: 1px solid var(--accent-soft); box-shadow: 0 0 60px var(--accent-soft), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  opacity: 0; transform: translateY(6px) scale(0.985); transition: opacity 320ms var(--ease-out), transform 420ms var(--ease-out); }
.mega[data-preview="body"] .mega__shot[data-accent="body"], .mega[data-preview="focus"] .mega__shot[data-accent="focus"], .mega[data-preview="learn"] .mega__shot[data-accent="learn"],
.mega[data-preview="life"] .mega__shot[data-accent="life"], .mega[data-preview="social"] .mega__shot[data-accent="social"], .mega[data-preview="money"] .mega__shot[data-accent="money"] { opacity: 1; transform: none; }
.mega__shot .ui-label { color: var(--accent); }
.mega__shot .ui-value { font-size: 22px; }
.mega__shot .ui-bar { margin-top: auto; }
.mega__shot .status { font-size: 12px; margin-top: 2px; }
.mega__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.mega__item {
  display: flex; flex-direction: column; gap: 14px; padding: 16px; border-radius: var(--r-md);
  color: var(--fg); transition: background var(--micro) var(--ease-out), border-color var(--micro) var(--ease-out);
  border: 1px solid transparent; opacity: 0;
}
.mega.is-open .mega__item { animation: mega-in 460ms var(--ease-out) both; animation-delay: calc(var(--i, 0) * 45ms + 60ms); }
@keyframes mega-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.mega__item:hover { background: var(--accent-soft); border-color: var(--accent-soft); }
.mega__item .app-icon { margin-bottom: -2px; }
.mega__item b { display: block; font-weight: 500; font-size: 16px; letter-spacing: -0.01em; }
.mega__item small { display: block; color: var(--fg-3); font-size: 13px; margin-top: 2px; }
.mega__item .status { margin-top: auto; font-size: 13px; }
.mega__item--current { background: rgba(0, 116, 252, 0.07); border-color: rgba(0, 116, 252, 0.2); }
.mega__mini { display: flex; flex-direction: column; gap: 6px; padding: 10px 12px; border-radius: var(--r-sm); background: rgba(0, 0, 0, 0.3); font-size: 11px; color: var(--fg-3); }
.mega__mini b { font-size: 14px; color: var(--fg); }
.mega__mini .ui-bar { margin-top: 2px; }

/* mobile full-screen menu */
.menu {
  position: fixed; inset: 0; z-index: 95; background: var(--void); color: var(--fg);
  padding: 96px var(--gutter) 40px; overflow-y: auto;
  opacity: 0; visibility: hidden; transition: opacity var(--interface) var(--ease-out), visibility 0s linear var(--interface);
}
.menu.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.menu__group + .menu__group { margin-top: 36px; }
.menu__label { font-size: var(--t-label); text-transform: uppercase; letter-spacing: var(--track-label); color: var(--fg-3); margin-bottom: 12px; }
.menu__link { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 24px; font-weight: 500; letter-spacing: -0.02em; }
.menu__link small { margin-left: auto; font-size: 13px; color: var(--fg-3); font-weight: 400; letter-spacing: 0; text-align: right; }
.menu__link--product { font-size: 20px; }
.menu__link .app-icon { margin-right: 2px; }
.menu__cta { margin-top: 40px; }

@media (max-width: 1023px) {
  .nav__links, .nav__actions .btn { display: none; }
  .nav__burger { display: inline-flex; }
  .mega { display: none; }
}

/* ---------------------------------------------------------------- buttons & links */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 50px; padding: 0 22px; border-radius: var(--r-btn); overflow: hidden;
  font-size: 15px; font-weight: 500; letter-spacing: -0.005em; white-space: nowrap;
  transition: transform var(--micro) var(--ease-out), background var(--micro) var(--ease-out), color var(--micro) var(--ease-out), border-color var(--micro) var(--ease-out), filter var(--micro) var(--ease-out), box-shadow var(--micro) var(--ease-out);
}
.btn::after { content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent); transform: skewX(-18deg); opacity: 0; }
.btn:hover::after { animation: shine 480ms var(--ease-out) both; }
@keyframes shine { 0% { left: -60%; opacity: 0; } 20% { opacity: 1; } 100% { left: 120%; opacity: 0; } }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn .arrow { width: 14px; height: 14px; transition: transform var(--micro) var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }
.btn--primary { background: var(--fg); color: var(--bg); box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.12); }
.btn--primary:hover { filter: brightness(1.06); }
.btn--ghost { color: var(--s-fg); border: 1px solid var(--s-line-strong); background: transparent; }
.btn--ghost:hover { border-color: var(--s-fg-2); background: rgba(255, 255, 255, 0.03); }
.theme-warm .btn--ghost:hover { background: rgba(0, 0, 0, 0.03); }
.btn--arc { background: var(--accent); color: #fff; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08) inset, 0 8px 30px var(--accent-glow); }
.btn--arc:hover { filter: brightness(1.08); }
.btn--pill { border-radius: var(--r-pill); height: 40px; padding: 0 16px; font-size: 14px; }
.btn--sm { height: 42px; padding: 0 16px; font-size: 14px; }
.theme-warm .btn--primary { background: var(--warm-fg); color: var(--warm); }

.link-underline {
  display: inline-flex; align-items: center; gap: 6px; padding-bottom: 2px;
  background-image: linear-gradient(var(--accent), var(--accent)); background-repeat: no-repeat;
  background-size: 0% 1px; background-position: 0 100%;
  transition: background-size var(--micro) var(--ease-out), color var(--micro) var(--ease-out);
}
.link-underline:hover, .link-underline:focus-visible { background-size: 100% 1px; }
.link-underline .arrow { width: 13px; height: 13px; transition: transform var(--micro) var(--ease-out); }
.link-underline:hover .arrow { transform: translateX(3px); }

/* ---------------------------------------------------------------- cards */
.card {
  position: relative; background: var(--s-surface); color: var(--s-fg);
  border: 1px solid var(--s-line); border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  transition: border-color var(--interface) var(--ease-out), background var(--interface) var(--ease-out), transform var(--interface) var(--ease-out);
}
.card::before, .entry::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none; z-index: 2; opacity: 0;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), var(--accent), transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude;
  transition: opacity 400ms var(--ease-out);
}
.card:hover::before, .entry:hover::before { opacity: 0.85; }
.card--tint:hover { border-color: var(--accent-soft); background: color-mix(in srgb, var(--s-surface) 88%, var(--accent) 12%); }
.card--lift:hover { transform: translateY(-3px); }
.theme-warm .card { box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 10px 40px rgba(11, 12, 15, 0.06); }
.card--pad { padding: 28px; }
.chip { display: inline-flex; align-items: center; height: 28px; padding: 0 10px; border-radius: 999px; font-size: 12px; font-weight: 500; color: var(--accent); background: var(--accent-soft); white-space: nowrap; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------------------------------------------------------------- forms */
.waitlist { display: flex; gap: 10px; width: 100%; max-width: 520px; }
.waitlist input {
  flex: 1 1 auto; min-width: 0; height: 50px; padding: 0 18px;
  color: var(--s-fg); background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--s-line-strong); border-radius: var(--r-btn); outline: none;
  transition: border-color var(--micro) var(--ease-out), background var(--micro) var(--ease-out), box-shadow var(--micro) var(--ease-out);
}
.theme-warm .waitlist input { background: #fff; }
.waitlist input::placeholder { color: var(--s-fg-3); }
.waitlist input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.waitlist__note { margin-top: 12px; font-size: 14px; color: var(--s-fg-3); }
.waitlist[data-state="done"] input, .waitlist[data-state="done"] .btn { display: none; }
.waitlist__done { display: none; align-items: center; gap: 10px; height: 50px; color: var(--s-fg); }
.waitlist[data-state="done"] .waitlist__done { display: inline-flex; }
@media (max-width: 520px) { .waitlist { flex-direction: column; } }

/* ---------------------------------------------------------------- device (ArcBody concept UI) */
.device {
  position: relative; width: 300px; aspect-ratio: 1440 / 3088; margin-inline: auto;
  border-radius: var(--r-device); background: #0C0E14;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.09), 0 0 0 6px #151922, 0 0 0 7px rgba(255, 255, 255, 0.06),
              0 2px 4px rgba(0, 0, 0, 0.5), 0 18px 40px rgba(0, 0, 0, 0.45), 0 60px 120px rgba(0, 0, 0, 0.55),
              0 40px 90px -30px var(--accent-glow);
  overflow: hidden; color: var(--fg);
  transition: transform 300ms var(--ease-out);
}
.device::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 5;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), inset 0 -1px 0 rgba(255, 255, 255, 0.03);
  background: linear-gradient(112deg, rgba(255, 255, 255, 0.075) 0%, rgba(255, 255, 255, 0.02) 26%, transparent 44%);
}
.device--sm { width: 250px; border-radius: var(--r-device-sm); }
.screen { position: absolute; inset: 0; padding: 24px 20px; display: flex; flex-direction: column; gap: 16px; font-size: 13px; transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out); }
.screen--tight { gap: 12px; }
[data-views] .screen { opacity: 0; transform: translateX(12px); pointer-events: none; }
[data-views][data-view="today"] .screen[data-screen="today"], [data-views][data-view="nutrition"] .screen[data-screen="nutrition"], [data-views][data-view="training"] .screen[data-screen="training"] { opacity: 1; transform: none; }
.device__tabs { position: absolute; left: 50%; bottom: -34px; transform: translateX(-50%); display: flex; gap: 6px; }
.device__tabs i { width: 6px; height: 6px; border-radius: 50%; background: var(--fg-4); transition: background 300ms var(--ease-out), transform 300ms var(--ease-out); }
[data-view="today"] ~ .device__tabs i:nth-child(1), [data-view="nutrition"] ~ .device__tabs i:nth-child(2), [data-view="training"] ~ .device__tabs i:nth-child(3) { background: var(--accent); transform: scale(1.3); }
.ui-top { display: flex; align-items: baseline; justify-content: space-between; padding-top: 16px; }
.ui-top b { font-size: 22px; font-weight: 500; letter-spacing: -0.02em; }
.ui-top span, .ui-label, .mega__mini > span:first-child { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.ui-sub b, .ui-row span { font-variant-numeric: tabular-nums; }
.ui-top span { color: var(--fg-3); font-size: 12px; }
.ui-card { background: var(--elevated); border: 1px solid rgba(255, 255, 255, 0.05); border-radius: var(--r-md); padding: 14px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03); }
.ui-card--row { display: flex; align-items: center; gap: 12px; }
.ui-label { font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-3); }
.ui-value { font-size: 20px; font-weight: 500; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.ui-value small { font-size: 11px; color: var(--fg-3); font-weight: 400; margin-left: 4px; letter-spacing: 0.04em; }
.ui-value--accent { color: var(--accent); }
.ui-sub { font-size: 12px; color: var(--fg-2); }
.ui-bar { height: 4px; border-radius: 2px; background: rgba(255, 255, 255, 0.07); overflow: hidden; }
.ui-bar i { display: block; height: 100%; width: var(--w, 50%); background: var(--fg-2); border-radius: 2px; transition: width 900ms var(--ease-out); }
.ui-bar--arc i { background: var(--accent); }
.ui-ring { width: 64px; height: 64px; flex: none; }
.ui-ring circle { fill: none; stroke-width: 4; }
.ui-ring .track { stroke: rgba(255, 255, 255, 0.07); }
.ui-ring .fill { stroke: var(--accent); stroke-linecap: butt; stroke-dasharray: 176; stroke-dashoffset: calc(176 * (1 - var(--p, 0.81))); transform: rotate(-90deg); transform-origin: 50% 50%; transition: stroke-dashoffset 900ms var(--ease-out); }
.ui-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-top: 1px solid rgba(255, 255, 255, 0.06); font-size: 13px; }
.ui-row:first-child { border-top: 0; }
.ui-row span { color: var(--fg-3); }
.ui-check { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid rgba(255, 255, 255, 0.18); display: inline-grid; place-items: center; }
.ui-check.is-done { border-color: var(--accent); background: var(--accent); }
.ui-check svg { width: 10px; height: 10px; }
.ui-fab { position: absolute; right: 20px; bottom: 26px; height: 40px; padding: 0 16px; border-radius: 999px; background: var(--fg); color: var(--bg); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; z-index: 4; transition: transform 160ms var(--ease-out), filter 160ms var(--ease-out); }
.ui-tabs { display: flex; gap: 6px; }
.ui-tab { padding: 6px 10px; border-radius: 999px; font-size: 12px; color: var(--fg-3); border: 1px solid rgba(255, 255, 255, 0.06); }
.ui-tab.is-on { color: var(--fg); background: rgba(255, 255, 255, 0.06); }
.ui-line { width: 100%; height: 64px; }
.ui-line path { fill: none; stroke-width: 1.5; }
.ui-line .grid { stroke: rgba(255, 255, 255, 0.06); }
.ui-line .trend { stroke: var(--accent); }
.ui-glow { position: absolute; left: 50%; bottom: -8%; width: 120%; height: 30%; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(ellipse closest-side, var(--accent-soft), transparent 100%); pointer-events: none; }

/* app row (products page hero) */
.app-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.app-row__item { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 6px; border-radius: var(--r-pill); border: 1px solid var(--line); font-size: 14px; font-weight: 500; color: var(--fg-2); transition: border-color var(--micro) var(--ease-out), color var(--micro) var(--ease-out), background var(--micro) var(--ease-out); }
.app-row__item:hover { color: var(--fg); border-color: var(--line-strong); background: rgba(255, 255, 255, 0.03); }
.app-row__item.is-live { border-color: var(--accent-soft); color: var(--fg); }

/* ---------------------------------------------------------------- misc */
.icon { width: 24px; height: 24px; }
.icon svg { width: 100%; height: 100%; }

/* ---------------------------------------------------------------- footer */
.footer { --p: 0; position: relative; background: var(--void); color: var(--fg); border-top: 1px solid var(--line); padding: 88px 0 40px; overflow: hidden; }
.footer__wm { position: absolute; left: 50%; bottom: -0.16em; font-size: clamp(120px, 21vw, 320px); font-weight: 500; letter-spacing: -0.06em; line-height: 1; white-space: nowrap; pointer-events: none; user-select: none;
  color: rgba(245, 244, 239, 0.07); transform: translate(-50%, calc((1 - var(--p)) * 18%)); transition: transform 120ms linear;
  -webkit-mask-image: linear-gradient(180deg, #000 20%, transparent 92%); mask-image: linear-gradient(180deg, #000 20%, transparent 92%); }
.footer__status { display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px 8px 12px; border-radius: var(--r-pill); border: 1px solid var(--line-strong); font-size: 13px; color: var(--fg-2); width: fit-content; max-width: none; white-space: nowrap; }
.footer__brand .footer__status { max-width: none; }
.footer__status::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--c-body); box-shadow: 0 0 0 4px var(--c-body-soft); animation: status-pulse 2.6s var(--ease-in-out) infinite; }
.footer__status b { font-weight: 500; color: var(--fg); }
@keyframes status-pulse { 0%, 100% { box-shadow: 0 0 0 3px var(--c-body-soft); } 50% { box-shadow: 0 0 0 6px var(--c-body-soft); } }
.footer__sig { font-family: var(--font-serif); font-style: italic; font-size: 16px; color: var(--fg-2); }
.footer__top { position: relative; z-index: 1; display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); gap: 40px; }
.footer__brand { display: flex; flex-direction: column; gap: 18px; }
.footer__brand img { height: 26px; width: auto; }
.footer__brand p { color: var(--fg-3); font-size: 14px; max-width: 30ch; }
.footer__col h3 { font-size: var(--t-label); text-transform: uppercase; letter-spacing: var(--track-label); color: var(--fg-3); font-weight: 500; margin-bottom: 16px; }
.footer__col li + li { margin-top: 10px; }
.footer__col a { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; color: var(--fg-2); transition: color var(--micro) var(--ease-out); }
.footer__col a:hover { color: var(--fg); }
.footer__col a .arrow { width: 12px; height: 12px; opacity: 0; transform: translateX(-4px); transition: opacity var(--micro) var(--ease-out), transform var(--micro) var(--ease-out); }
.footer__col a:hover .arrow { opacity: 1; transform: none; }
.footer__col a .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); flex: none; }
.footer__col small { display: block; font-size: 12px; color: var(--fg-3); margin-top: 2px; padding-left: 15px; }
.footer__bottom { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 13px; color: var(--fg-3); flex-wrap: wrap; }
.footer__mark { position: absolute; right: -16%; bottom: -52%; width: 40vw; max-width: 600px; opacity: 0.3; pointer-events: none; }
@media (max-width: 900px) { .footer__top { grid-template-columns: 1fr 1fr; } .footer__mark { display: none; } }
@media (max-width: 520px) { .footer__top { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- page transition veil */
.veil { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; background: var(--void); opacity: 0; pointer-events: none; transition: opacity 300ms var(--ease-out); }
.veil.is-leaving { opacity: 1; pointer-events: auto; }
.veil.is-arriving { opacity: 1; transition: none; }
.veil__pulse { position: absolute; left: var(--vx, 50%); top: var(--vy, 50%); width: 24px; height: 24px; border-radius: 50%; background: var(--accent); opacity: 0; transform: translate(-50%, -50%) scale(0); pointer-events: none; }
.veil.is-leaving .veil__pulse { animation: veil-pulse 560ms var(--ease-in-out) both; }
@keyframes veil-pulse { 0% { opacity: 0.6; transform: translate(-50%, -50%) scale(0); } 100% { opacity: 0; transform: translate(-50%, -50%) scale(130); } }
.veil__mark { position: relative; height: 26px; width: auto; opacity: 0; transition: opacity 200ms var(--ease-out) 100ms; }
.veil.is-leaving .veil__mark { opacity: 1; }
.veil__arc { position: absolute; left: 0; top: 50%; width: 100%; height: 2px; overflow: visible; }
.veil__arc path { fill: none; stroke: var(--accent); stroke-width: 1.5; vector-effect: non-scaling-stroke; stroke-dasharray: 40 100; stroke-dashoffset: 40; opacity: 0; }
.veil.is-leaving .veil__arc path { animation: veil-sweep 460ms var(--ease-in-out) 40ms both; }
@keyframes veil-sweep { 0% { stroke-dashoffset: 40; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { stroke-dashoffset: -100; opacity: 0; } }

/* ---------------------------------------------------------------- mobile sticky bar */
.mobile-bar { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 85; display: none; padding: 8px; border-radius: var(--r-md); background: rgba(16, 19, 27, 0.82); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.08); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4); transform: translateY(120%); transition: transform var(--interface) var(--ease-soft); }
.mobile-bar .btn { width: 100%; }
.mobile-bar.is-on { transform: none; }
@media (max-width: 1023px) { .mobile-bar { display: block; } }