/* ============================================================
   Veil — Styles
   Component-oriented: header, auth-card, inputs, buttons,
   brand-block, footer. Desktop-first, responsive down.
   ============================================================ */

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  font-size: var(--fs-base);
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; }
img, svg { display: block; }

::selection { background: var(--primary); color: var(--on-primary); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}
.container--narrow { max-width: 760px; }

/* ---------- Legal / terms content ---------- */
.legal { display: flex; flex-direction: column; gap: var(--sp-8); margin-top: var(--sp-8); }
.legal__item h2 {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-3);
}
.legal__item p {
  color: var(--text-secondary);
  font-size: var(--fs-base);
  line-height: 1.65;
}
.legal__item + .legal__item { padding-top: var(--sp-8); border-top: 1px solid var(--border-soft); }

/* Usage limits table */
.limits { margin-top: var(--sp-8); }
.limits__title {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-4);
}
.limits__scroll { overflow-x: auto; border-radius: var(--r-card); border: 1px solid var(--border); }
.limits-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  min-width: 560px;
}
.limits-table th,
.limits-table td {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  white-space: nowrap;
}
.limits-table thead th {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.limits-table tbody tr + tr td,
.limits-table tbody tr + tr th { border-top: 1px solid var(--border-soft); }
.limits-table tbody th[scope="row"] { color: var(--primary); font-weight: 600; }
.limits-table tbody td { color: var(--text-secondary); }
.limits__foot {
  margin-top: var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

/* ---------- Ambient background ---------- */
.bg-atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.bg-grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(to right, var(--border-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 78%);
  opacity: 0.6;
}
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}
.bg-glow--top {
  width: 720px; height: 520px;
  top: -260px; left: 50%; transform: translateX(-50%);
  background: radial-gradient(circle, var(--primary-glow), transparent 70%);
  opacity: 0.5;
}
.bg-glow--bottom {
  width: 520px; height: 420px;
  bottom: -220px; right: -80px;
  background: radial-gradient(circle, rgba(0,245,225,0.12), transparent 70%);
  opacity: 0.7;
}
.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Brand ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  color: var(--primary);
  background: var(--primary-tint);
  border: 1px solid var(--border);
}
.brand__name { font-size: var(--fs-md); color: var(--text); }

/* Image logo (replaces the mark + wordmark) */
.brand__logo {
  height: 48px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 14px var(--primary-glow));
}
.site-footer .brand__logo { height: 42px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-header.is-scrolled {
  background: rgba(7, 16, 18, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--border-soft);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.nav__link {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav__link:hover { color: var(--text); background: var(--primary-tint-2); }
.nav__link--login { margin-right: var(--sp-2); }

/* Nav toggle (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.nav-toggle span {
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

/* ---------- Buttons ---------- */
.btn {
  --_bg: transparent;
  --_fg: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  height: 46px;
  padding-inline: var(--sp-5);
  border: 1px solid transparent;
  border-radius: var(--r-btn);
  background: var(--_bg);
  color: var(--_fg);
  font-family: var(--font-ui);
  font-size: var(--fs-base);
  font-weight: 600;
  letter-spacing: -0.005em;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease),
              background var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn__icon { flex: none; transition: transform var(--dur) var(--ease); }

.btn--sm { height: 38px; padding-inline: var(--sp-4); font-size: var(--fs-sm); }
.btn--block { width: 100%; }

.btn--primary {
  --_bg: var(--primary);
  --_fg: var(--on-primary);
  box-shadow: var(--shadow-btn);
}
.btn--primary:hover {
  --_bg: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 12px 30px -10px var(--primary-glow);
}
.btn--primary:active { --_bg: var(--primary-active); }
.btn--primary:hover .btn__icon { transform: translateX(3px); }

.btn--ghost {
  --_bg: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--border-strong);
  background: var(--surface-3);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

/* ---------- Auth layout ---------- */
.auth {
  flex: 1;
  display: grid;
  place-items: center;
  padding: clamp(var(--sp-10), 6vw, var(--sp-20)) var(--sp-6);
}
.auth__wrap {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  animation: rise 640ms var(--ease) both;
}

/* ---------- Card ---------- */
.card {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
}
.auth-card { padding: var(--sp-8); }

.auth-card__head { text-align: center; margin-bottom: var(--sp-6); }
.auth-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-top: var(--sp-4);
}
.auth-card__subtitle {
  color: var(--text-secondary);
  font-size: var(--fs-base);
  margin-top: var(--sp-2);
}

/* Status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 5px var(--sp-3);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--primary-tint-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-secondary);
}
.status-badge--sm { font-size: 0.6875rem; padding: 4px 10px; }
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--online);
  box-shadow: 0 0 0 0 rgba(47, 245, 198, 0.6);
  animation: pulse 2.4s var(--ease) infinite;
}

/* ---------- Form ---------- */
.auth-form { display: flex; flex-direction: column; gap: var(--sp-4); }

.field { display: flex; flex-direction: column; gap: var(--sp-2); }
.field__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
}
.field__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.input {
  width: 100%;
  height: 46px;
  padding: 0 var(--sp-4);
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-input);
  font-family: var(--font-ui);
  font-size: var(--fs-base);
  transition: border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease);
}
.input::placeholder { color: var(--text-faint); }
.input:hover { border-color: var(--border-strong); }
.input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: var(--ring);
}

/* Input with affix (password reveal) */
.input-group { position: relative; }
.input-group .input { padding-right: 46px; }
.input-affix {
  position: absolute;
  top: 50%; right: 6px;
  transform: translateY(-50%);
  display: grid; place-items: center;
  width: 34px; height: 34px;
  border: none;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--text-muted);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.input-affix:hover { color: var(--text); background: var(--primary-tint-2); }
.input-affix:focus-visible { outline: none; box-shadow: var(--ring); color: var(--primary); }
.input-affix[aria-pressed="true"] { color: var(--primary); }

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  margin: var(--sp-1) 0;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Links */
.link {
  color: var(--primary);
  font-weight: 500;
  transition: color var(--dur) var(--ease);
}
.link:hover { color: var(--primary-hover); text-decoration: underline; text-underline-offset: 3px; }
.link--muted { color: var(--text-muted); font-size: var(--fs-sm); font-weight: 500; }
.link--muted:hover { color: var(--primary); text-decoration: none; }

.auth-form__foot {
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-top: var(--sp-1);
}

/* ---------- Brand block ---------- */
.brand-block {
  text-align: center;
  padding-inline: var(--sp-2);
}
.brand-block__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--sp-3);
}
.brand-block__lead {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 38ch;
  margin-inline: auto;
}
.brand-block__lead strong { color: var(--text); font-weight: 600; }

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}
.chip {
  padding: 6px var(--sp-3);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--surface);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.chip:hover { border-color: var(--border-strong); color: var(--text); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border-soft);
  background: linear-gradient(180deg, transparent, var(--surface));
  padding-top: var(--sp-16);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-12);
}
.footer__tagline {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  max-width: 34ch;
  margin: var(--sp-4) 0 var(--sp-5);
  line-height: 1.6;
}
.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
}
.footer__heading {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-4);
}
.footer__col ul { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer__col a {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  transition: color var(--dur) var(--ease);
}
.footer__col a:hover { color: var(--primary); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  border-top: 1px solid var(--border-soft);
  font-size: var(--fs-xs);
  color: var(--text-faint);
}
.footer__meta { font-family: var(--font-mono); }

/* ---------- Variant toggle ---------- */
.variant-toggle {
  position: fixed;
  right: var(--sp-5);
  bottom: var(--sp-5);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: rgba(11, 22, 25, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.variant-toggle:hover { border-color: var(--border-strong); color: var(--text); }
.variant-toggle:focus-visible { outline: none; box-shadow: var(--ring); }
.variant-toggle__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1px solid var(--primary);
  background: transparent;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.variant-toggle[aria-pressed="true"] .variant-toggle__dot {
  background: var(--primary);
  box-shadow: 0 0 10px 1px var(--primary-glow);
}

/* ============================================================
   VARIANT 2 — Glow / Glassmorphism-light (still serious)
   Activated by body.theme-glow (toggled via JS).
   ============================================================ */
body.theme-glow .bg-glow--top    { opacity: 0.8; }
body.theme-glow .bg-glow--bottom { opacity: 1; }
body.theme-glow .bg-grid         { opacity: 0.5; }

body.theme-glow .auth-card {
  background: linear-gradient(180deg, rgba(16, 33, 38, 0.62), rgba(11, 22, 25, 0.5));
  border-color: var(--border-strong);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow:
    var(--shadow-card),
    0 0 0 1px rgba(0, 245, 225, 0.06) inset,
    0 0 60px -20px var(--primary-glow);
}
body.theme-glow .auth-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, var(--primary-glow), transparent 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;
}
body.theme-glow .auth-card { position: relative; }

body.theme-glow .btn--primary {
  box-shadow: 0 10px 40px -8px var(--primary-glow), 0 0 0 1px rgba(0,245,225,0.2);
}
body.theme-glow .input {
  background: rgba(7, 16, 18, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
body.theme-glow .chip {
  background: rgba(16, 33, 38, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ---------- Auth helpers (shared across auth pages) ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--dur) var(--ease);
}
.back-link:hover { color: var(--primary); }
.back-link svg { transition: transform var(--dur) var(--ease); }
.back-link:hover svg { transform: translateX(-3px); }

.field__hint { font-size: var(--fs-xs); color: var(--text-muted); }

/* Consent / checkbox row */
.consent {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}
.consent input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 18px; height: 18px;
  margin-top: 2px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--bg);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: border-color var(--dur) var(--ease),
              background var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.consent input[type="checkbox"]:hover { border-color: var(--primary); }
.consent input[type="checkbox"]:focus-visible { outline: none; box-shadow: var(--ring); }
.consent input[type="checkbox"]:checked { background: var(--primary); border-color: var(--primary); }
.consent input[type="checkbox"]:checked::after {
  content: "";
  width: 9px; height: 5px;
  border-left: 2px solid var(--on-primary);
  border-bottom: 2px solid var(--on-primary);
  transform: rotate(-45deg) translateY(-1px);
}
.consent a { color: var(--primary); font-weight: 500; }
.consent a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Info / help note */
.auth-note {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--primary-tint-2);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.55;
}
.auth-note svg { flex: none; color: var(--primary); margin-top: 2px; }
.auth-note strong { color: var(--text); font-weight: 600; }

/* Password strength meter (sign up / reset) */
.meter { display: flex; gap: 6px; margin-top: 2px; }
.meter__bar {
  flex: 1;
  height: 4px;
  border-radius: var(--r-pill);
  background: var(--surface-3);
  transition: background var(--dur) var(--ease);
}
.meter__bar.is-on { background: var(--primary); }

/* ---------- Account / Usage-Dashboard ---------- */
.usage-plan {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  margin-bottom: var(--sp-6);
}
.usage-plan__tier { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; }
.usage-plan__model { margin-left: var(--sp-2); font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--primary); }
.usage-plan__meta { margin-top: var(--sp-1); font-size: var(--fs-sm); color: var(--text-muted); }
.usage-plan__actions { display: flex; gap: var(--sp-2); flex: none; }

.usage-h2 {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
  margin: var(--sp-8) 0 var(--sp-1);
}
.usage-hint { font-size: var(--fs-xs); color: var(--text-muted); margin-bottom: var(--sp-3); }

.usage-pool { padding: var(--sp-4) var(--sp-5); margin-bottom: var(--sp-3); }
.usage-pool__head { display: flex; justify-content: space-between; gap: var(--sp-3); margin-bottom: var(--sp-2); }
.usage-pool__label { font-weight: 600; }
.usage-pool__nums { font-size: var(--fs-sm); color: var(--text-secondary); }
.usage-pool__foot {
  display: flex; justify-content: space-between; gap: var(--sp-3);
  margin-top: var(--sp-2); font-size: var(--fs-xs); color: var(--text-muted);
}

/* Fortschrittsbalken: grün <80%, gelb 80–100%, rot = Fair-Use-Überschreitung */
.usage-bar {
  position: relative;
  display: flex;
  height: 10px;
  border-radius: var(--r-pill);
  background: var(--surface-3);
  overflow: hidden;
}
.usage-bar__fill { height: 100%; border-radius: var(--r-pill); transition: width 400ms var(--ease); }
.usage-bar--green  .usage-bar__fill { background: var(--online); }
.usage-bar--yellow .usage-bar__fill { background: #F5C842; }
.usage-bar--red    .usage-bar__fill { background: #F5C842; }
.usage-bar__over { height: 100%; background: #F2606A; border-radius: 0 var(--r-pill) var(--r-pill) 0; }

.usage-credit {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--sp-5); margin-bottom: var(--sp-2);
}
.usage-credit__n { font-family: var(--font-mono); color: var(--primary); font-weight: 500; }

.usage-note {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4); margin-bottom: var(--sp-3);
  border-radius: var(--r-md); font-size: var(--fs-sm);
  border: 1px solid rgba(245, 200, 66, 0.4); background: rgba(245, 200, 66, 0.08);
}
.usage-note--red { border-color: rgba(242, 96, 106, 0.5); background: rgba(242, 96, 106, 0.08); }
.usage-note button { background: none; border: none; color: var(--text-muted); font-size: 14px; }
.usage-note button:hover { color: var(--text); }

/* ---------- Animations ---------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(47, 245, 198, 0.5); }
  70%  { box-shadow: 0 0 0 6px rgba(47, 245, 198, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 245, 198, 0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .footer__inner { grid-template-columns: 1fr; gap: var(--sp-8); }
}

@media (max-width: 720px) {
  :root { --header-h: 60px; }

  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(7, 16, 18, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-2);
    padding: var(--sp-4) var(--sp-6) var(--sp-6);
  }
  .nav__link { padding: var(--sp-3) var(--sp-3); font-size: var(--fs-base); }
  .nav__list .btn { width: 100%; height: 46px; font-size: var(--fs-base); }

  .footer__cols { grid-template-columns: 1fr 1fr; gap: var(--sp-6); }
  .footer__bottom { flex-direction: column; gap: var(--sp-2); text-align: center; }
}

@media (max-width: 460px) {
  .auth-card { padding: var(--sp-6); }
  .footer__cols { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}