/* ─────────────────────────────────────────────────────────
   RunmAi App Store — install + login (light theme, VisionOne pop)

   Design language:
   - Light, paper-white background
   - VisionOne curve-and-glow accents: thin blue rules,
     measurement marks, hatch fills around key surfaces
   - Tight, RunmAi-style radii (6–10px)
   - Accent color = VisionOne navy (#1f5fb8). App-Store gradient
     reserved for primary CTAs and the App-Store logo only.
   ───────────────────────────────────────────────────────── */

:root {
  --mrg-blue:        #1f5fb8;
  --mrg-blue-deep:   #154a92;
  --mrg-blue-line:   #c6d8ee;
  --mrg-blue-soft:   #eaf2fb;
  --mrg-ink:         #004b7c;
  --mrg-ink-2:       #3b485a;
  --mrg-muted:       #6b7a8e;
  --mrg-line:        #e3e8ef;
  --mrg-bg:          #fafbfd;
  --mrg-bg-paper:    #ffffff;

  --as-cyan:         #22b8ff;
  --as-blue:         #1c84ff;
  --as-purple:       #8a3df1;

  --mk-r:            6px;
  --mk-r-md:         10px;
  --mk-r-lg:         14px;

  --mk-shadow-sm:    0 1px 2px rgba(15,23,42,.04), 0 2px 6px rgba(15,23,42,.05);
  --mk-shadow:       0 6px 24px -10px rgba(15,23,42,.18), 0 2px 8px -2px rgba(15,23,42,.08);
  --mk-shadow-lg:    0 24px 64px -20px rgba(15,23,42,.25), 0 8px 16px -4px rgba(15,23,42,.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body.page-install.light,
body.page-login.light {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--mrg-ink);
  background: var(--mrg-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ─────────────────────────────────────────────────────────
   Top nav
   ───────────────────────────────────────────────────────── */
.mk-nav {
  position: sticky; top: 0; z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 36px;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--mrg-line);
}
.mk-nav .mk-brand { margin-right: auto; }
.mk-nav-thin { padding: 14px 28px; }
@media (max-width: 640px) {
  .mk-nav { padding: 14px 18px; }
}
.mk-brand { display: flex; align-items: center; }
.mk-brand-mrg { height: 76px; width: auto; display: block; }
@media (max-width: 540px) { .mk-brand-mrg { height: 54px; } }

.mk-nav-links { display: flex; align-items: center; gap: 4px; }
.mk-nav-links a {
  padding: 8px 14px;
  font-size: 14px; font-weight: 500;
  color: var(--mrg-ink-2);
  border-radius: var(--mk-r);
  transition: background 140ms ease, color 140ms ease;
}
.mk-nav-links a:hover { background: var(--mrg-blue-soft); color: var(--mrg-blue); }
.mk-nav-links a.mk-cta {
  background: var(--mrg-blue);
  color: #fff;
  padding: 9px 18px;
  font-weight: 700;
  margin-left: 8px;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background 140ms ease, transform 140ms ease;
}
.mk-nav-links a.mk-cta:hover { background: var(--mrg-blue-deep); transform: translateY(-1px); }
.mk-nav-help {
  font-size: 13px; color: var(--mrg-muted);
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: var(--mk-r);
  transition: background 140ms ease, color 140ms ease;
}
.mk-nav-help:hover { background: var(--mrg-blue-soft); color: var(--mrg-blue); }
@media (max-width: 640px) { .mk-nav-links a:not(.mk-cta) { display: none; } }

/* ─────────────────────────────────────────────────────────
   Hero (centered + animated)
   ───────────────────────────────────────────────────────── */
.mk-hero {
  position: relative;
  padding: 80px 24px 90px;
  overflow: hidden;
}
.mk-hero-inner {
  position: relative; z-index: 2;
  max-width: 1180px; margin: 0 auto;
}
.mk-hero-inner-center {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  max-width: 880px;
}
.mk-hero-centered .mk-hero-title,
.mk-hero-centered .mk-hero-sub { text-align: center; }
@media (max-width: 700px) { .mk-hero { padding: 56px 16px 70px; } }

/* Blueprint backdrop — thin blue grid + accent crosshair lines */
.mk-blueprint {
  position: absolute; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(31,95,184,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,95,184,.07) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 45%, rgba(0,0,0,.7), transparent 80%);
  z-index: 1;
  animation: bp-shift 60s linear infinite;
}
@keyframes bp-shift {
  0%   { background-position: 0 0, 0 0; }
  100% { background-position: 64px 64px, 64px 64px; }
}
.mk-blueprint::before,
.mk-blueprint::after {
  content: "";
  position: absolute;
  background: var(--mrg-blue);
  opacity: .22;
}
.mk-blueprint::before { top: 12%; left: 0; right: 0; height: 1px; }
.mk-blueprint::after  { bottom: 16%; left: 0; right: 0; height: 1px; }

/* Drifting accent orbs (live movement) */
.mk-orbs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.mk-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .55;
  animation: mk-orb-drift 26s ease-in-out infinite alternate;
  will-change: transform;
}
.mk-orb-1 { top: -10%; left: 50%; width: 40vmax; height: 40vmax;
  background: radial-gradient(circle, rgba(8,145,178,.45), transparent 70%);
  transform: translate(-50%, 0);
}
.mk-orb-2 { bottom: -20%; right: -10%; width: 38vmax; height: 38vmax;
  background: radial-gradient(circle, rgba(11,99,166,.38), transparent 70%);
  animation-delay: -8s;
}
.mk-orb-3 { top: 35%; left: -10%; width: 30vmax; height: 30vmax;
  background: radial-gradient(circle, rgba(0,75,124,.40), transparent 70%);
  animation-delay: -16s;
}
@keyframes mk-orb-drift {
  0%   { transform: translate3d(0,0,0)     scale(1); }
  100% { transform: translate3d(3vmax,-2vmax,0) scale(1.1); }
}
.mk-orb-1 { animation: mk-orb-1-drift 26s ease-in-out infinite alternate; }
@keyframes mk-orb-1-drift {
  0%   { transform: translate(-50%, 0)        scale(1); }
  100% { transform: translate(-46%, -3vmax)   scale(1.08); }
}

/* Reveal animations (assigned/observed in JS) */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 600ms cubic-bezier(.2,.8,.2,1), transform 600ms cubic-bezier(.2,.8,.2,1);
}
.reveal-on { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Floating logo */
.mk-hero-logo {
  position: relative;
  width: 240px; height: 240px;
  margin: 12px auto 28px;
}
.mk-hero-logo-xl {
  width: 340px; height: 340px;
  margin: 18px auto 36px;
}
@media (max-width: 700px) {
  .mk-hero-logo-xl { width: 260px; height: 260px; margin: 12px auto 28px; }
}
.mk-hero-logo img {
  position: relative;
  z-index: 2;
  width: 100%; height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 26px 44px rgba(11,99,166,.38));
  animation: mk-float 6s ease-in-out infinite;
  transition: transform 400ms cubic-bezier(.2,.8,.2,1);
  will-change: transform;
}
.mk-hero-logo-glow {
  position: absolute; inset: -28%;
  background:
    radial-gradient(60% 60% at 50% 50%, rgba(8,145,178,.45), transparent 70%),
    radial-gradient(60% 60% at 50% 50%, rgba(11,99,166,.36), transparent 70%);
  filter: blur(38px);
  animation: mk-glow-pulse 4.5s ease-in-out infinite;
  z-index: 0;
}
/* Rotating concentric rings behind the mark */
.mk-hero-ring {
  position: absolute;
  top: 50%; left: 50%;
  border-radius: 50%;
  border: 1.5px solid rgba(11,99,166,.20);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 1;
}
.mk-hero-ring-1 {
  width: 108%; height: 108%;
  border-color: rgba(8,145,178,.30);
  border-style: dashed;
  animation: mk-ring-spin 24s linear infinite;
}
.mk-hero-ring-2 {
  width: 136%; height: 136%;
  border-color: rgba(11,99,166,.22);
  animation: mk-ring-spin-rev 38s linear infinite;
}
.mk-hero-ring-3 {
  width: 168%; height: 168%;
  border-color: rgba(0,75,124,.14);
  border-style: dotted;
  animation: mk-ring-spin 60s linear infinite;
}
@keyframes mk-ring-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes mk-ring-spin-rev {
  from { transform: translate(-50%, -50%) rotate(360deg); }
  to   { transform: translate(-50%, -50%) rotate(0deg); }
}
@keyframes mk-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
@keyframes mk-glow-pulse {
  0%, 100% { opacity: .7; transform: scale(1); }
  50%      { opacity: 1;  transform: scale(1.10); }
}
@media (prefers-reduced-motion: reduce) {
  .mk-hero-logo img,
  .mk-hero-ring,
  .mk-hero-logo-glow { animation: none; }
}

.mk-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px 6px 6px;
  background: #fff;
  border: 1px solid var(--mrg-blue-line);
  border-radius: 999px;
  font-size: 12px; font-weight: 600;
  color: var(--mrg-blue);
  letter-spacing: .04em;
  box-shadow: var(--mk-shadow-sm);
  margin-bottom: 22px;
}
.mk-eyebrow-mark {
  display: inline-grid; place-items: center;
  width: 22px; height: 22px;
}
.mk-eyebrow-mark img { width: 22px; height: 22px; object-fit: contain; }
/* Pulsing live-status dot used in place of the icon */
.mk-eyebrow-dot {
  position: relative;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 3px rgba(22,163,74,.18);
  flex-shrink: 0;
  margin-left: 4px;
}
.mk-eyebrow-dot::after {
  content: '';
  position: absolute; inset: -4px;
  border-radius: 50%;
  background: rgba(22,163,74,.45);
  animation: mk-dot-pulse 1.8s ease-out infinite;
  z-index: -1;
}
@keyframes mk-dot-pulse {
  0%   { transform: scale(.6); opacity: .9; }
  100% { transform: scale(2.4); opacity: 0; }
}

.mk-hero-title {
  font-size: clamp(40px, 6.2vw, 68px);
  line-height: 1.02;
  letter-spacing: -.028em;
  margin: 0 0 18px;
  font-weight: 800;
  color: var(--mrg-ink);
  max-width: 14ch;
}
.mk-accent {
  display: block;
  background: linear-gradient(110deg, #004b7c 0%, #0b63a6 45%, #0891b2 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.mk-hero-sub {
  font-size: 17px;
  color: var(--mrg-ink-2);
  max-width: 540px;
  margin: 0 0 28px;
  line-height: 1.6;
}

.mk-hero-actions {
  display: flex; gap: 12px; flex-wrap: wrap;
  justify-content: center;
  margin: 8px 0 14px;
}
.mk-btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 24px;
  font-size: 14.5px; font-weight: 700;
  border-radius: var(--mk-r-md);
  border: 1px solid transparent;
  transition: transform 140ms ease, box-shadow 220ms ease, background 140ms ease, color 140ms ease, filter 140ms ease;
}
.mk-btn-primary {
  background: linear-gradient(135deg, #004b7c 0%, #0b63a6 55%, #0891b2 100%);
  color: #fff;
  box-shadow: 0 12px 28px -10px rgba(11,99,166,.55), inset 0 1px 0 rgba(255,255,255,.22);
}
.mk-btn-primary:hover { transform: translateY(-2px); filter: brightness(1.06); box-shadow: 0 18px 36px -10px rgba(11,99,166,.7); }
.mk-btn-primary:active { transform: translateY(0); }
/* Extra-large CTA — for the hero install button */
.mk-btn-xl {
  padding: 17px 32px;
  font-size: 16.5px;
  border-radius: 14px;
  letter-spacing: -.005em;
}
.mk-btn-xl i { font-size: 17px; }
.mk-btn-secondary {
  background: #fff;
  color: var(--mrg-blue);
  border-color: var(--mrg-blue-line);
  box-shadow: var(--mk-shadow-sm);
}
.mk-btn-secondary:hover { background: var(--mrg-blue-soft); border-color: var(--mrg-blue); transform: translateY(-1px); }

.mk-hint { font-size: 13px; color: var(--mrg-muted); margin: 0 0 0; text-align: center; }
.mk-hint strong { color: var(--mrg-blue); font-weight: 600; }

/* Post-download "Continue to sign in" nudge */
.mk-done {
  margin: 22px auto 0;
  max-width: 600px;
  width: 100%;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 360ms cubic-bezier(.2,.8,.2,1), transform 360ms cubic-bezier(.2,.8,.2,1);
}
.mk-done.mk-done-on { opacity: 1; transform: translateY(0); }
.mk-done-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  text-align: left;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--mrg-blue-line);
  border-radius: var(--mk-r-md);
  box-shadow: var(--mk-shadow);
}
.mk-done-icon {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: #ecfdf5;
  color: #047857;
  border-radius: 999px;
  font-size: 18px;
  border: 1px solid #a7f3d0;
}
.mk-done-title { font-weight: 700; font-size: 14.5px; color: var(--mrg-ink); }
.mk-done-sub { font-size: 12.5px; color: var(--mrg-ink-2); margin-top: 2px; }
.mk-done-cta { padding: 10px 18px !important; font-size: 13.5px !important; }
@media (max-width: 540px) {
  .mk-done-card { grid-template-columns: auto 1fr; }
  .mk-done-cta { grid-column: 1 / -1; justify-content: center; }
}

/* Bottom stats plate with die-frame corners */
.mk-hero-plate {
  position: relative;
  margin: 44px auto 0;
  padding: 22px 44px;
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--mrg-blue-line);
  border-radius: var(--mk-r-md);
  box-shadow: var(--mk-shadow);
  max-width: 560px;
  width: 100%;
}
.mk-plate-stats {
  display: flex; align-items: center; justify-content: center; gap: 28px;
}
.mk-plate-stats > div:not(.mk-plate-divider) {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.mk-plate-divider {
  width: 1px; height: 36px;
  background: var(--mrg-blue-line);
}
.mk-stat-num {
  font-size: 22px; font-weight: 800; letter-spacing: -.01em;
  background: linear-gradient(135deg, var(--mrg-ink), #0891b2);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.mk-stat-lbl {
  font-size: 11px; color: var(--mrg-muted);
  text-transform: uppercase; letter-spacing: .1em; font-weight: 600;
}
@media (max-width: 540px) {
  .mk-hero-plate { padding: 18px 16px; }
  .mk-plate-stats { gap: 16px; }
  .mk-stat-num { font-size: 18px; }
}

/* ── Hero art: die-plate frame holding the App Store logo ── */
.mk-hero-art {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 460px;
  margin-left: auto;
}
.mk-die-plate {
  position: absolute; inset: 0;
  background: #fff;
  border: 1px solid var(--mrg-blue-line);
  border-radius: var(--mk-r-md);
  box-shadow: var(--mk-shadow-lg);
  display: grid; place-items: center;
  overflow: hidden;
}
/* Top and bottom rules like a die drawing */
.mk-die-rule {
  position: absolute; left: 60px; right: 60px;
  height: 0; border-top: 1.5px solid var(--mrg-blue);
  opacity: .6;
}
.mk-die-rule-top { top: -8px; }
.mk-die-rule-bot { bottom: -8px; }
.mk-die-rule::before, .mk-die-rule::after {
  content: ""; position: absolute; top: -4px;
  width: 8px; height: 8px;
  border: 1.5px solid var(--mrg-blue);
  border-right: 0; border-bottom: 0;
  transform: rotate(-45deg);
}
.mk-die-rule::before { left: -4px; }
.mk-die-rule::after  { right: -4px; transform: rotate(135deg); }

/* Corner crosshair marks */
.mk-die-corner {
  position: absolute; width: 14px; height: 14px;
  border: 1.5px solid var(--mrg-blue);
  opacity: .75;
}
.mk-die-corner-tl { top: -1px; left: -1px;   border-right: 0; border-bottom: 0; }
.mk-die-corner-tr { top: -1px; right: -1px;  border-left: 0;  border-bottom: 0; }
.mk-die-corner-bl { bottom: -1px; left: -1px;  border-right: 0; border-top: 0; }
.mk-die-corner-br { bottom: -1px; right: -1px; border-left: 0;  border-top: 0; }

/* Centered App Store logo card */
.mk-die-card {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  padding: 26px 36px;
  background: linear-gradient(180deg, #fff, #f6f9fd);
  border: 1px solid var(--mrg-line);
  border-radius: var(--mk-r-md);
  box-shadow: var(--mk-shadow);
}
.mk-die-card img {
  width: clamp(120px, 22vw, 168px);
  height: auto;
  filter: drop-shadow(0 16px 32px rgba(31,76,224,.32));
  animation: mk-float 6s ease-in-out infinite;
}
.mk-die-card-label {
  font-family: "Arial Black", Arial, sans-serif;
  font-size: 11px; font-weight: 900;
  letter-spacing: .3em;
  color: var(--mrg-blue);
}
@keyframes mk-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* ─────────────────────────────────────────────────────────
   Section headings
   ───────────────────────────────────────────────────────── */
.mk-section-head { max-width: 1180px; margin: 0 auto 28px; padding: 0 28px; }
.mk-section-tag {
  display: inline-block;
  font-size: 11.5px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--mrg-blue);
  padding: 4px 10px;
  border: 1px solid var(--mrg-blue-line);
  background: var(--mrg-blue-soft);
  border-radius: 999px;
  margin-bottom: 10px;
}
.mk-section-head h2 {
  font-size: clamp(26px, 4vw, 38px);
  margin: 0;
  letter-spacing: -.02em;
}

/* ─────────────────────────────────────────────────────────
   Inside rail
   ───────────────────────────────────────────────────────── */
.mk-inside { padding: 50px 0 30px; background: #fff; border-top: 1px solid var(--mrg-line); border-bottom: 1px solid var(--mrg-line); }
.mk-app-rail {
  display: flex;
  gap: 12px;
  padding: 0 28px 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  max-width: 1180px;
  margin: 0 auto;
}
.mk-app-rail::-webkit-scrollbar { height: 6px; }
.mk-app-rail::-webkit-scrollbar-thumb { background: var(--mrg-line); border-radius: 999px; }
.mk-app-chip {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--mrg-line);
  border-radius: var(--mk-r-md);
  box-shadow: var(--mk-shadow-sm);
  scroll-snap-align: start;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}
.mk-app-chip:hover {
  transform: translateY(-3px);
  border-color: var(--mrg-blue-line);
  box-shadow: var(--mk-shadow);
}
.mk-app-chip-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--mrg-blue-soft);
  color: var(--mrg-blue);
  border-radius: 10px;
  font-size: 16px;
  overflow: hidden;
  flex-shrink: 0;
}
.mk-app-chip-icon img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 10px;
}
.mk-app-chip-name { font-weight: 700; font-size: 14px; color: var(--mrg-ink); }
.mk-app-chip-sub  { font-size: 10.5px; color: var(--mrg-muted); letter-spacing: .08em; text-transform: uppercase; font-weight: 600; margin-top: 2px; }

/* ─────────────────────────────────────────────────────────
   Features (numbered cards)
   ───────────────────────────────────────────────────────── */
.mk-features { padding: 60px 0 40px; max-width: 1180px; margin: 0 auto; }
.mk-feature-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  padding: 0 28px;
}
.mk-feature {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--mrg-line);
  border-radius: var(--mk-r-md);
  box-shadow: var(--mk-shadow-sm);
  transition: transform 200ms ease, box-shadow 220ms ease, border-color 200ms ease;
}
.mk-feature:hover {
  transform: translateY(-3px);
  border-color: var(--mrg-blue-line);
  box-shadow: var(--mk-shadow);
}
.mk-feature-num {
  flex: 0 0 auto;
  font-family: "Arial Black", Arial, sans-serif;
  font-size: 18px; font-weight: 900;
  color: var(--mrg-blue);
  padding: 4px 0 0;
  letter-spacing: .04em;
  background: var(--mrg-blue-soft);
  border-radius: var(--mk-r);
  padding: 6px 10px;
}
.mk-feature h3 { margin: 0 0 6px; font-size: 16px; font-weight: 700; }
.mk-feature p  { margin: 0; color: var(--mrg-ink-2); font-size: 13.5px; line-height: 1.55; }
.mk-feature kbd {
  background: #fff;
  border: 1px solid var(--mrg-line);
  border-bottom-width: 2px;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--mrg-ink);
}

/* ─────────────────────────────────────────────────────────
   Steps
   ───────────────────────────────────────────────────────── */
.mk-how { padding: 40px 0 70px; max-width: 900px; margin: 0 auto; }
.mk-steps {
  list-style: none; padding: 0 28px; margin: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.mk-steps li {
  display: flex; align-items: flex-start; gap: 18px;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--mrg-line);
  border-radius: var(--mk-r-md);
  box-shadow: var(--mk-shadow-sm);
}
.mk-step-num {
  flex: 0 0 auto;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 15px;
  color: #fff;
  background: var(--mrg-blue);
  border-radius: var(--mk-r);
  box-shadow: 0 6px 16px -8px rgba(31,95,184,.6);
}
.mk-step-body h3 { margin: 0 0 4px; font-size: 16px; font-weight: 700; }
.mk-step-body p  { margin: 0; color: var(--mrg-ink-2); font-size: 13.5px; line-height: 1.55; }
.mk-step-body em { font-style: normal; color: var(--mrg-blue); font-weight: 600; }
.mk-step-body code {
  background: var(--mrg-blue-soft); color: var(--mrg-blue);
  padding: 1px 6px; border-radius: 4px;
  font-size: 12.5px;
}
.mk-how-cta { text-align: center; margin-top: 28px; padding: 0 28px; }

/* ─────────────────────────────────────────────────────────
   Footer
   ───────────────────────────────────────────────────────── */
.mk-footer {
  background: #fff;
  border-top: 1px solid var(--mrg-line);
  padding: 28px 28px;
}
.mk-footer-inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
}
.mk-footer-brand { display: flex; align-items: center; gap: 14px; }
.mk-footer-brand img { height: 48px; width: auto; opacity: .92; }
.mk-footer-addr {
  font-size: 11.5px; color: var(--mrg-muted);
  line-height: 1.6;
  letter-spacing: .02em;
}
.mk-footer-links { display: flex; gap: 14px; }
.mk-footer-links a {
  font-size: 13px; color: var(--mrg-ink-2);
  padding: 6px 10px; border-radius: var(--mk-r);
  transition: background 140ms ease, color 140ms ease;
}
.mk-footer-links a:hover { background: var(--mrg-blue-soft); color: var(--mrg-blue); }

/* ─────────────────────────────────────────────────────────
   Login page (light theme, VisionOne branded)
   ───────────────────────────────────────────────────────── */
.login-shell {
  position: relative;
  min-height: 100vh;
  display: grid; place-items: center;
  padding: 32px 16px;
}
/* Login orbs — same vibe as install hero */
.login-orbs { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.login-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .5;
  will-change: transform;
}
.login-orb-1 {
  top: -15vmax; left: -10vmax; width: 50vmax; height: 50vmax;
  background: radial-gradient(circle, rgba(34,184,255,.55), transparent 70%);
  animation: login-orb-1 28s ease-in-out infinite alternate;
}
.login-orb-2 {
  bottom: -20vmax; right: -10vmax; width: 45vmax; height: 45vmax;
  background: radial-gradient(circle, rgba(138,61,241,.40), transparent 70%);
  animation: login-orb-2 32s ease-in-out infinite alternate;
}
.login-orb-3 {
  top: 30%; left: 40%; width: 30vmax; height: 30vmax;
  background: radial-gradient(circle, rgba(28,132,255,.42), transparent 70%);
  animation: login-orb-3 36s ease-in-out infinite alternate;
}
@keyframes login-orb-1 {
  0%   { transform: translate3d(0,0,0)        scale(1); }
  100% { transform: translate3d(3vmax,2vmax,0) scale(1.1); }
}
@keyframes login-orb-2 {
  0%   { transform: translate3d(0,0,0)         scale(1); }
  100% { transform: translate3d(-4vmax,-3vmax,0) scale(1.12); }
}
@keyframes login-orb-3 {
  0%   { transform: translate3d(0,0,0)        scale(1);   opacity: .35; }
  100% { transform: translate3d(2vmax,4vmax,0) scale(1.08); opacity: .55; }
}
.login-shell > * { position: relative; z-index: 1; }
.login-card {
  width: 100%; max-width: 920px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid var(--mrg-line);
  border-radius: var(--mk-r-lg);
  box-shadow: var(--mk-shadow-lg);
  overflow: hidden;
}
.login-card-anim { animation: login-card-in 520ms cubic-bezier(.2,.8,.2,1); }
@keyframes login-card-in {
  from { opacity: 0; transform: translateY(14px) scale(.985); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}
.login-card-main > *,
.login-card-side > * {
  animation: login-fade-up 600ms cubic-bezier(.2,.8,.2,1) both;
}
.login-card-main > *:nth-child(1) { animation-delay: 120ms; }
.login-card-main > *:nth-child(2) { animation-delay: 180ms; }
.login-card-main > *:nth-child(3) { animation-delay: 240ms; }
.login-card-main > *:nth-child(4) { animation-delay: 300ms; }
.login-card-main > *:nth-child(5) { animation-delay: 360ms; }
.login-card-main > *:nth-child(6) { animation-delay: 420ms; }
.login-card-main > *:nth-child(7) { animation-delay: 480ms; }
.login-card-side > *:nth-child(1) { animation-delay: 80ms; }
.login-card-side > *:nth-child(2) { animation-delay: 140ms; }
.login-card-side > *:nth-child(3) { animation-delay: 200ms; }
.login-card-side > *:nth-child(4) { animation-delay: 260ms; }
@keyframes login-fade-up {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (max-width: 760px) {
  .login-card { grid-template-columns: 1fr; }
  .login-card-side { padding: 26px 28px !important; }
}

/* Left side: branded panel — light surface so the colored RunmAi
   wordmark + molecular mark show in their natural palette (cyan/navy). */
.login-card-side {
  position: relative;
  padding: 44px 40px 32px;
  background:
    radial-gradient(70% 60% at 15% 0%, rgba(34,211,238,.18), transparent 65%),
    radial-gradient(70% 60% at 100% 100%, rgba(11,99,166,.10), transparent 65%),
    linear-gradient(160deg, #ffffff 0%, #f1f7fc 50%, #e6f0fa 100%);
  color: #0f172a;
  border-right: 1px solid #e2e8f0;
}
.login-card-side::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(11,99,166,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,99,166,.06) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,.7), transparent 75%);
  pointer-events: none;
}
.login-card-side > * { position: relative; z-index: 1; }
.login-mark {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
  background: none;
  border: none;
  width: auto; height: auto;
  padding: 0;
}
.login-mark img {
  width: auto;
  height: 120px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 6px 18px rgba(11,99,166,.18));
  margin-left: -6px;
}
@media (max-width: 760px) {
  .login-mark img { height: 92px; }
}
.login-side-title {
  font-size: 30px; line-height: 1.05;
  margin: 0 0 12px;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--mrg-ink, #004b7c);
}
.login-side-sub {
  font-size: 14px; color: #475569;
  margin: 0 0 24px;
  line-height: 1.55;
}
.login-side-foot {
  display: flex; align-items: center; gap: 10px;
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid #d1dbe6;
  font-size: 12px; color: #64748b;
  line-height: 1.4;
  white-space: nowrap;
}
.login-side-foot img {
  height: 28px; width: auto;
  flex-shrink: 0;
  filter: none;
  opacity: .9;
}
.login-side-foot > div {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0 6px;
  white-space: normal;
}

/* Smooth expand for the 'First-time admin setup' details element */
.login-admin-note { transition: background .2s ease, border-color .2s ease; }
.login-admin-note > :not(summary) {
  animation: loginDetailsIn .25s cubic-bezier(.2,.8,.2,1);
}
@keyframes loginDetailsIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.login-admin-note summary {
  transition: color .15s ease;
  list-style: none;
  cursor: pointer;
}
.login-admin-note summary::-webkit-details-marker { display: none; }
.login-admin-note summary::before {
  content: '▸';
  display: inline-block;
  margin-right: 6px;
  font-size: 10px;
  transition: transform .2s cubic-bezier(.2,.8,.2,1);
}
.login-admin-note[open] summary::before { transform: rotate(90deg); }

/* Right side: form */
.login-card-main {
  padding: 38px 40px 32px;
  display: flex; flex-direction: column;
}
.login-eyebrow {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--mrg-blue);
  background: var(--mrg-blue-soft);
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--mrg-blue-line);
  align-self: flex-start;
  margin-bottom: 18px;
}
.login-title {
  font-size: 30px; margin: 0 0 8px;
  letter-spacing: -.02em; font-weight: 800;
  color: var(--mrg-ink);
}
.login-sub {
  font-size: 14.5px; color: var(--mrg-ink-2);
  margin: 0 0 24px;
  line-height: 1.55;
}
.login-sub strong { color: var(--mrg-blue); font-weight: 700; }

.login-alert {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 10px 14px;
  border-radius: var(--mk-r);
  font-size: 13px;
  margin-bottom: 14px;
}

/* Microsoft sign-in — the only auth path */
.login-ms-btn {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px;
  background: var(--mrg-ink);
  color: #fff;
  border-radius: var(--mk-r-md);
  font-size: 15px; font-weight: 600;
  transition: background 160ms ease, transform 140ms ease, box-shadow 240ms ease;
  box-shadow: 0 10px 24px -10px rgba(15,23,42,.45);
}
.login-ms-btn:hover {
  background: #050a14;
  transform: translateY(-1px);
  box-shadow: 0 16px 32px -10px rgba(15,23,42,.55);
}
.login-ms-btn svg { width: 22px; height: 22px; flex: 0 0 auto; }
.login-ms-btn > span { flex: 1; }
.login-ms-btn > i { color: rgba(255,255,255,.6); transition: transform 140ms ease, color 140ms ease; }
.login-ms-btn:hover > i { transform: translateX(2px); color: #fff; }

.login-bullets {
  list-style: none; padding: 0;
  margin: 26px 0 0;
  display: flex; flex-direction: column; gap: 10px;
}
.login-bullets li {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--mrg-ink-2);
}
.login-bullets i {
  width: 16px; text-align: center;
  color: var(--mrg-blue);
  font-size: 12px;
}

.login-foot-line {
  margin-top: auto;
  padding-top: 28px;
  font-size: 12.5px;
  color: var(--mrg-muted);
}
.login-foot-line a { color: var(--mrg-blue); font-weight: 600; }
.login-foot-line a:hover { text-decoration: underline; }

.login-admin-note {
  margin-top: 18px;
  padding: 12px 14px;
  background: var(--mrg-blue-soft);
  border: 1px solid var(--mrg-blue-line);
  border-radius: var(--mk-r);
  font-size: 12.5px;
  color: var(--mrg-ink-2);
}
.login-admin-note summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--mrg-blue);
  list-style: none;
  display: flex; align-items: center; gap: 6px;
}
.login-admin-note summary::before {
  content: "▸";
  font-size: 11px;
  transition: transform 160ms ease;
}
.login-admin-note[open] summary::before { transform: rotate(90deg); }
.login-admin-note summary::-webkit-details-marker { display: none; }
.login-admin-note p { margin: 10px 0; line-height: 1.55; }
.login-admin-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  background: var(--mrg-blue);
  color: #fff;
  border-radius: var(--mk-r);
  font-size: 13px; font-weight: 600;
  transition: background 140ms ease, transform 140ms ease;
}
.login-admin-link:hover { background: var(--mrg-blue-deep); transform: translateY(-1px); }