:root {
  color-scheme: dark;
  --bg-0: #08111b;
  --bg-1: #0e1724;
  --bg-2: #132235;
  --panel: rgba(14, 25, 40, 0.88);
  --panel-strong: rgba(18, 31, 47, 0.96);
  --panel-soft: rgba(17, 28, 44, 0.72);
  --line: #28405c;
  --line-strong: #416489;
  --text: #f4f8fc;
  --muted: #b4c4d8;
  --accent: #8dc5ff;
  --accent-2: #8fe0c2;
  --accent-3: #ffd98b;
  --accent-rgb: 141, 197, 255;
  --accent-2-rgb: 143, 224, 194;
  --accent-3-rgb: 255, 217, 139;
  --focus: #ffe082;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
  --glow-soft: 0 0 0 1px rgba(var(--accent-rgb), 0.18), 0 18px 48px rgba(0, 0, 0, 0.28);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --content-max: 1280px;
}

body[data-theme="mobility"] {
  --accent: #89c7ff;
  --accent-2: #78e0cf;
  --accent-3: #ffd992;
  --accent-rgb: 137, 199, 255;
  --accent-2-rgb: 120, 224, 207;
  --accent-3-rgb: 255, 217, 146;
}

body[data-theme="fraud"] {
  --accent: #8dd6b5;
  --accent-2: #ffd87f;
  --accent-3: #f8a6a6;
  --accent-rgb: 141, 214, 181;
  --accent-2-rgb: 255, 216, 127;
  --accent-3-rgb: 248, 166, 166;
}

body[data-theme="crisis"] {
  --accent: #9db0ff;
  --accent-2: #9fe0ff;
  --accent-3: #ffce89;
  --accent-rgb: 157, 176, 255;
  --accent-2-rgb: 159, 224, 255;
  --accent-3-rgb: 255, 206, 137;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background: var(--bg-0);
  color: var(--text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  overflow-x: hidden;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(60rem 40rem at 5% -10%, rgba(91, 153, 255, 0.16), transparent 64%),
    radial-gradient(48rem 34rem at 100% 0%, rgba(121, 228, 193, 0.13), transparent 60%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
  animation: bgDrift 28s ease-in-out infinite alternate;
}

.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.9), transparent 88%);
  opacity: 0.28;
}

@keyframes bgDrift {
  from {
    transform: scale(1) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.04) translate3d(1.2rem, -0.8rem, 0);
  }
}

a, button {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  backdrop-filter: blur(16px);
  background: rgba(8, 14, 22, 0.72);
  border-bottom: 1px solid rgba(113, 154, 201, 0.16);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.14);
}

.brand {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.brand-kicker {
  font-size: 0.71rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: rgba(180, 196, 216, 0.82);
  margin-bottom: 0.05rem;
}

.brand-title {
  position: relative;
  display: inline-block;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
  color: #f7fbff;
  isolation: isolate;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.18),
    0 10px 24px rgba(0, 0, 0, 0.38),
    -2px 0 0 rgba(0, 238, 255, 0.34),
    2px 0 0 rgba(255, 73, 128, 0.3);
}

.brand-title::before,
.brand-title::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.brand-title::before {
  color: rgba(0, 234, 255, 0.44);
  transform: translate3d(-3px, -1px, 0);
  filter: blur(0.3px);
}

.brand-title::after {
  color: rgba(255, 77, 132, 0.4);
  transform: translate3d(3px, 1px, 0);
  filter: blur(0.45px);
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.ghost-btn {
  border: 1px solid rgba(143, 197, 255, 0.25);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  padding: 0.72rem 1rem;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.ghost-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(143, 197, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.page {
  position: relative;
  z-index: 1;
  width: min(var(--content-max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 6rem;
}

.hero-shell {
  display: block;
  align-items: stretch;
}

.hero-copy,
.specialization-card,
.path-sticky,
.step-card,
.choice-band,
.final-card {
  border: 1px solid rgba(117, 151, 188, 0.18);
  background: var(--panel);
  box-shadow: var(--glow-soft);
}

.hero-copy,
.specialization-card,
.path-sticky,
.step-card,
.choice-band,
.final-card {
  padding: 2rem;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.hero-copy::before,
.step-card::before,
.choice-band::before,
.final-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top right, rgba(var(--accent-rgb), 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 24%);
}

.hero-status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.44rem 0.78rem;
  color: var(--text);
  font-size: 0.82rem;
  letter-spacing: 0.01em;
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 0 5px rgba(var(--accent-2-rgb), 0.1);
}

.hero-kicker,
.section-kicker,
.choice-kicker,
.step-eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-2);
}

.hero-copy h1,
.step-card h2,
.final-card h2 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0.45rem 0 0.9rem;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 5vw, 4.9rem);
  max-width: 18ch;
}

.hero-copy p,
.specialization-card p,
.step-card p,
.step-card li,
.choice-band p,
.final-card p,
.final-card li,
.path-breadcrumb {
  color: var(--muted);
  line-height: 1.65;
}

.specialization-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
  perspective: 1000px;
}

.specialization-card {
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  text-align: left;
  position: relative;
  overflow: hidden;
  min-height: 18rem;
  display: grid;
  align-content: start;
  gap: 0.15rem;
  transition: transform 220ms ease, border-color 220ms ease, background-color 220ms ease, opacity 220ms ease, box-shadow 220ms ease;
  transform-style: preserve-3d;
}

.specialization-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -30% auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.22), transparent 68%);
  pointer-events: none;
}

.specialization-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.16), transparent 35%),
    radial-gradient(circle at 80% 18%, rgba(var(--accent-2-rgb), 0.14), transparent 22%);
}

.specialization-card:hover {
  transform: translateY(-6px) rotateX(2deg);
  border-color: rgba(var(--accent-rgb), 0.52);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.34), 0 0 0 1px rgba(var(--accent-rgb), 0.22);
}

.specialization-card.is-dimmed {
  opacity: 0.38;
}

.specialization-card.is-active {
  border-color: rgba(var(--accent-rgb), 0.76);
  background: rgba(18, 32, 49, 0.98);
  box-shadow: 0 24px 52px rgba(0, 0, 0, 0.36), 0 0 0 1px rgba(var(--accent-rgb), 0.28);
}

.specialization-card h3 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 1.42rem;
  margin: 0.45rem 0 0.35rem;
}

.specialization-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.35rem;
}

.specialization-index {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.specialization-arrow {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.specialization-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.meta-pill {
  border-radius: 999px;
  padding: 0.36rem 0.7rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: var(--text);
}

.specialization-subline {
  margin-top: auto;
  padding-top: 1rem;
  color: rgba(244, 248, 252, 0.88);
  font-size: 0.92rem;
}

.path-shell {
  margin-top: 2rem;
}

.hidden {
  display: none !important;
}

.path-sticky {
  position: sticky;
  top: 4.4rem;
  z-index: 12;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  border-radius: var(--radius-lg);
  padding: 0.95rem 1rem;
  margin-bottom: 1.2rem;
  background: rgba(12, 20, 31, 0.86);
}

.path-context {
  display: grid;
  gap: 0.18rem;
}

.path-context-label {
  color: var(--muted);
  font-size: 0.78rem;
}

.path-breadcrumb {
  min-height: 1.4rem;
}

.path-layout {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: 1.2rem;
  align-items: start;
}

.path-rail {
  position: sticky;
  top: 9.8rem;
  min-height: clamp(24rem, 62vh, 38rem);
  padding: 0;
}

.rail-shell {
  position: relative;
  min-height: clamp(24rem, 62vh, 38rem);
  padding: 1.25rem 1rem 1.35rem;
  border: 1px solid rgba(117, 151, 188, 0.14);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    rgba(10, 17, 26, 0.52);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
  overflow: hidden;
  isolation: isolate;
}

.rail-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 12%, rgba(var(--accent-rgb), 0.18), transparent 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 24%);
}

.rail-shell::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 2.2rem;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(9, 16, 24, 0), rgba(9, 16, 24, 0.18) 72%, rgba(9, 16, 24, 0.28));
}

.rail-line {
  position: absolute;
  left: 50%;
  top: 1.1rem;
  bottom: 0.95rem;
  width: 4px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.98), rgba(var(--accent-rgb), 0.08));
  border-radius: 999px;
  box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.18), 0 0 48px rgba(var(--accent-rgb), 0.12);
}

.rail-nodes {
  position: relative;
  display: grid;
  gap: 0.95rem;
  z-index: 2;
}

.rail-node {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr);
  align-items: center;
  min-height: 4.9rem;
}

.rail-dot {
  grid-column: 2;
  justify-self: center;
  position: relative;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 2px solid rgba(var(--accent-rgb), 0.55);
  background: rgb(8, 17, 27);
  overflow: hidden;
  transition: transform 220ms ease, background-color 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
  box-shadow:
    inset 0 -4px 8px rgba(0, 0, 0, 0.28),
    0 0 0 8px rgba(var(--accent-rgb), 0.08),
    0 8px 18px rgba(0, 0, 0, 0.3);
}

.rail-dot::before {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: inherit;
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.14) 34%, rgba(var(--accent-rgb), 0.96) 62%, rgba(var(--accent-rgb), 0.36) 100%);
}

.rail-node.is-selected .rail-dot {
  transform: scale(1.08);
  border-color: var(--accent);
  box-shadow: 0 0 0 10px rgba(var(--accent-rgb), 0.1), 0 0 20px rgba(var(--accent-rgb), 0.24);
}

.rail-node.is-proof .rail-dot {
  border-color: var(--accent-3);
}

.rail-node.is-proof .rail-dot::before {
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.12) 34%, rgba(var(--accent-3-rgb), 0.94) 62%, rgba(var(--accent-3-rgb), 0.3) 100%);
}

.rail-node .rail-copy strong {
  color: var(--text);
}

.rail-copy {
  position: relative;
  width: 100%;
  max-width: 100%;
  padding: 0.85rem 0.95rem 0.82rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02)),
    rgba(10, 18, 28, 0.985);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
}

.rail-copy::before {
  content: "";
  position: absolute;
  top: 50%;
  width: 1rem;
  height: 1px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.82), rgba(var(--accent-rgb), 0.18));
}

.rail-node.is-selected .rail-copy,
.rail-node.is-proof .rail-copy,
.rail-node.is-branch-right .rail-copy {
  grid-column: 3;
  margin-left: 0.9rem;
}

.rail-node.is-selected .rail-copy::before,
.rail-node.is-proof .rail-copy::before,
.rail-node.is-branch-right .rail-copy::before {
  left: -1rem;
}

.rail-node.is-branch-left .rail-copy {
  grid-column: 1;
  margin-right: 0.9rem;
  text-align: right;
}

.rail-node.is-branch-left .rail-copy::before {
  right: -1rem;
  background: linear-gradient(270deg, rgba(var(--accent-rgb), 0.82), rgba(var(--accent-rgb), 0.18));
}

.rail-node.is-selected .rail-copy {
  border-color: rgba(var(--accent-rgb), 0.44);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(var(--accent-rgb), 0.14);
}

.rail-node.is-branch .rail-copy {
  border-color: rgba(var(--accent-rgb), 0.22);
  background:
    linear-gradient(180deg, rgba(var(--accent-rgb), 0.09), rgba(255, 255, 255, 0.02)),
    rgba(10, 18, 28, 0.94);
  filter: saturate(0.62);
}

.rail-node.is-branch .rail-dot,
.rail-node.is-branch .rail-copy {
  opacity: 0.72;
}

.rail-node.is-branch .rail-copy::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(11, 18, 28, 0.18), rgba(11, 18, 28, 0.62)),
    radial-gradient(circle at 50% 115%, rgba(255, 255, 255, 0.03), transparent 34%);
  backdrop-filter: blur(11px);
}

.rail-node.is-branch .rail-copy strong,
.rail-node.is-branch .rail-copy span {
  color: rgba(230, 239, 248, 0.56);
  filter: blur(1.6px);
}

.rail-node.is-branch .rail-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 140%, rgba(8, 14, 22, 0.82), rgba(8, 14, 22, 0.08) 60%, transparent 76%);
}

.rail-node.is-proof .rail-copy {
  border-color: rgba(var(--accent-3-rgb), 0.32);
}

.rail-copy strong {
  display: block;
  margin-bottom: 0.22rem;
}

.rail-copy span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.path-main {
  display: grid;
  gap: 1rem;
}

.revealed-steps {
  display: grid;
  gap: 1rem;
}

.step-card,
.choice-band,
.final-card {
  border-radius: var(--radius-xl);
  padding: 1.45rem 1.5rem;
}

.step-card {
  display: grid;
  gap: 1rem;
  backdrop-filter: blur(10px);
}

.step-card h2 {
  font-size: clamp(1.65rem, 2vw, 2.3rem);
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.step-block {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

.step-block::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.08), transparent 42%);
}

.step-block h3 {
  margin: 0 0 0.55rem;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.choice-band {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 0.95rem;
  padding-bottom: 1.2rem;
  backdrop-filter: blur(10px);
}

.choice-band .choice-copy {
  position: relative;
  z-index: 2;
  max-width: 44rem;
}

.choice-band h3 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 1.48rem;
  margin: 0.45rem 0 0.35rem;
}

.choice-grid {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 0;
}

.choice-node {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: left;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.choice-node::after {
  content: "";
  position: absolute;
  inset: auto auto 0 -10%;
  width: 130%;
  height: 3px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0), rgba(var(--accent-rgb), 0.88), rgba(var(--accent-2-rgb), 0));
  transform: translateY(100%);
  transition: transform 180ms ease;
}

.choice-node:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--accent-rgb), 0.52);
  background: rgba(255, 255, 255, 0.08);
}

.choice-node:hover::after {
  transform: translateY(0);
}

.choice-node strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.choice-node span {
  display: block;
  color: var(--muted);
  line-height: 1.55;
}

.choice-stage {
  position: relative;
  min-height: 0;
}

.pending-stage {
  position: relative;
  margin-top: 0.35rem;
  min-height: clamp(13.5rem, 24vh, 17.5rem);
}

.pending-stage__shell {
  position: relative;
  min-height: inherit;
  border-radius: calc(var(--radius-xl) - 4px);
  border: 1px dashed rgba(var(--accent-rgb), 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0.012)),
    rgba(7, 14, 22, 0.38);
  overflow: hidden;
}

.pending-stage__core {
  position: absolute;
  inset: 0.9rem;
  border-radius: calc(var(--radius-lg) - 2px);
  border: 1px solid rgba(255, 255, 255, 0.04);
  background:
    radial-gradient(circle at 50% 0%, rgba(var(--accent-rgb), 0.08), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.014), rgba(255, 255, 255, 0.004));
}

.pending-stage__glow {
  position: absolute;
  inset: auto 20% 2.35rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0), rgba(var(--accent-rgb), 0.32), rgba(var(--accent-rgb), 0));
  opacity: 0.4;
}

.pending-fog {
  position: sticky;
  bottom: 0;
  margin-top: auto;
  min-height: clamp(9.5rem, 18vh, 12.5rem);
  display: grid;
  align-items: end;
  justify-items: center;
  padding: 1rem 0.9rem 0.9rem;
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.pending-fog.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.pending-fog__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 18, 28, 0) 0%, rgba(8, 15, 24, 0.58) 28%, rgba(8, 15, 24, 0.92) 100%);
  backdrop-filter: blur(18px);
}

.pending-fog__copy {
  position: relative;
  z-index: 2;
  font-size: 0.92rem;
  color: rgba(244, 248, 252, 0.9);
  background: rgba(8, 14, 22, 0.44);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.62rem 0.96rem;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(8px);
}

.choice-fog-sentinel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.fog-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  z-index: 40;
  transition: opacity 220ms ease, visibility 0s linear 220ms;
}

.fog-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.fog-overlay__effects,
.fog-overlay__veil {
  position: absolute;
  inset: 0;
}

.fog-overlay__effects {
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 112%, rgba(255, 118, 54, 0.12), transparent 24%),
    radial-gradient(circle at 18% 82%, rgba(255, 221, 140, 0.08), transparent 18%),
    radial-gradient(circle at 80% 76%, rgba(114, 205, 255, 0.08), transparent 18%),
    linear-gradient(180deg, rgba(4, 8, 14, 0.3), rgba(4, 8, 14, 0.86));
}

.fog-overlay__veil {
  background:
    linear-gradient(180deg, rgba(11, 20, 34, 0.12) 0%, rgba(9, 16, 24, 0.72) 36%, rgba(9, 16, 24, 0.95) 100%);
  backdrop-filter: blur(26px) saturate(1.08);
}

.fog-overlay__copy {
  position: absolute;
  left: 50%;
  bottom: clamp(1.1rem, 3vh, 2rem);
  transform: translateX(-50%);
  z-index: 3;
  font-size: 0.94rem;
  color: rgba(244, 248, 252, 0.92);
  background: rgba(8, 14, 22, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.68rem 1rem;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(10px);
}

.fog-effect {
  position: absolute;
  left: var(--x);
  top: var(--y);
  opacity: var(--opacity, 0.6);
  transform: translate(-50%, -50%);
}

.fog-effect--flash {
  width: calc(2.8rem * var(--scale, 1));
  height: calc(2.8rem * var(--scale, 1));
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 244, 211, 0.98) 0%, rgba(255, 194, 87, 0.88) 32%, rgba(255, 116, 43, 0.28) 68%, transparent 100%);
  filter: blur(1.2px);
  box-shadow: 0 0 var(--glow, 28px) rgba(255, 166, 82, 0.52);
  animation: fogFlash var(--duration, 2.2s) ease-in-out var(--delay, 0s) infinite;
}

.fog-effect--flare {
  width: calc(4.5rem * var(--scale, 1));
  height: 2px;
  transform: translate(-50%, -50%) rotate(var(--twist, 12deg));
  background: linear-gradient(90deg, rgba(255, 244, 211, 0), rgba(255, 244, 211, 0.94) 32%, rgba(255, 182, 88, 0.94) 56%, rgba(255, 128, 51, 0));
  box-shadow: 0 0 var(--glow, 34px) rgba(255, 180, 98, 0.46);
  animation: fogFlare var(--duration, 2.8s) ease-in-out var(--delay, 0s) infinite;
}

.fog-effect--trace {
  width: var(--travel, 14rem);
  height: 2px;
  transform: translate(-50%, -50%) rotate(var(--twist, -18deg));
  transform-origin: left center;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(198, 232, 255, 0.98) 24%, rgba(255, 218, 129, 0.92) 54%, rgba(255, 120, 64, 0));
  filter: drop-shadow(0 0 8px rgba(255, 213, 117, 0.42));
  animation: fogTrace var(--duration, 1.8s) linear var(--delay, 0s) infinite;
}

.fog-effect--trace::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 236, 171, 0.98);
  transform: translate(50%, -50%);
  box-shadow: 0 0 16px rgba(255, 215, 116, 0.74);
}

@keyframes fogFlash {
  0%, 72%, 100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.72);
  }
  8% {
    opacity: var(--opacity, 0.8);
    transform: translate(-50%, -50%) scale(1.08);
  }
  18% {
    opacity: calc(var(--opacity, 0.8) * 0.22);
    transform: translate(-50%, -50%) scale(1.38);
  }
}

@keyframes fogFlare {
  0%, 100% {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(var(--twist, 12deg)) scaleX(0.2);
  }
  18% {
    opacity: var(--opacity, 0.72);
    transform: translate(-50%, -50%) rotate(var(--twist, 12deg)) scaleX(1);
  }
  52% {
    opacity: calc(var(--opacity, 0.72) * 0.42);
  }
}

@keyframes fogTrace {
  0% {
    opacity: 0;
    transform: translate(calc(-50% - 2rem), calc(-50% - 0.3rem)) rotate(var(--twist, -18deg));
  }
  12% {
    opacity: var(--opacity, 0.76);
  }
  88% {
    opacity: calc(var(--opacity, 0.76) * 0.18);
    transform: translate(calc(-50% + 1.5rem), calc(-50% + 0.3rem)) rotate(var(--twist, -18deg));
  }
  100% {
    opacity: 0;
    transform: translate(calc(-50% + 2.2rem), calc(-50% + 0.4rem)) rotate(var(--twist, -18deg));
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg,
  .step-card,
  .choice-band,
  .final-card,
  .specialization-card,
  .fog-effect {
    animation: none !important;
  }

  .fog-overlay,
  .choice-node,
  .ghost-btn,
  .primary-btn,
  .rail-dot {
    transition: none !important;
  }
}

.final-card {
  display: grid;
  gap: 1rem;
  backdrop-filter: blur(10px);
}

.final-card h2 {
  font-size: clamp(1.75rem, 2.2vw, 2.45rem);
}

.final-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.final-block {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

.final-block::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(var(--accent-rgb), 0.16), transparent 45%);
  pointer-events: none;
}

.final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.primary-btn {
  border: 1px solid rgba(141, 197, 255, 0.65);
  background: linear-gradient(180deg, rgba(141, 197, 255, 0.18), rgba(141, 197, 255, 0.08));
  color: var(--text);
  border-radius: 999px;
  padding: 0.86rem 1.1rem;
}

.step-card,
.choice-band,
.final-card,
.specialization-card {
  animation: cardEnter 320ms ease both;
}

@keyframes cardEnter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hero-shell,
  .path-layout,
  .step-grid,
  .final-grid,
  .choice-grid {
    grid-template-columns: 1fr;
  }

  .path-rail {
    position: relative;
    top: 0;
    min-height: auto;
    padding: 0;
  }

  .path-sticky {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .rail-shell {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.78rem 0.9rem;
  }

  .brand-title {
    font-size: clamp(1.25rem, 6vw, 1.6rem);
  }

  .topbar-actions .ghost-btn {
    padding: 0.66rem 0.82rem;
    white-space: nowrap;
  }

  .page {
    width: min(100% - 1rem, var(--content-max));
    padding-top: 1rem;
  }

  .hero-copy,
  .choice-band,
  .step-card,
  .final-card,
  .specialization-card {
    padding: 1.15rem;
  }

  .specialization-grid {
    grid-template-columns: 1fr;
  }

  .path-sticky {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "context controls"
      "breadcrumb controls";
    align-items: start;
    gap: 0.35rem 0.75rem;
    padding: 0.82rem 0.92rem;
  }

  .path-context {
    grid-area: context;
  }

  .path-breadcrumb {
    grid-area: breadcrumb;
    min-height: auto;
    font-size: 0.92rem;
    padding-right: 0.25rem;
  }

  .path-controls {
    grid-area: controls;
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }

  .path-controls .ghost-btn {
    white-space: nowrap;
    padding: 0.68rem 0.82rem;
  }

  .choice-band {
    padding-bottom: 1rem;
  }

  .pending-stage {
    min-height: clamp(11.5rem, 22vh, 14rem);
  }

  .rail-node {
    grid-template-columns: 28px 1fr;
    gap: 0.75rem;
    min-height: auto;
  }

  .rail-line {
    left: 14px;
    transform: none;
  }

  .rail-dot {
    grid-column: 1;
  }

  .rail-copy,
  .rail-node.is-selected .rail-copy,
  .rail-node.is-proof .rail-copy,
  .rail-node.is-branch-right .rail-copy,
  .rail-node.is-branch-left .rail-copy {
    grid-column: 2;
    margin: 0;
    text-align: left;
  }

  .rail-copy::before,
  .rail-node.is-selected .rail-copy::before,
  .rail-node.is-proof .rail-copy::before,
  .rail-node.is-branch-right .rail-copy::before,
  .rail-node.is-branch-left .rail-copy::before {
    left: -0.75rem;
    right: auto;
    background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.82), rgba(var(--accent-rgb), 0.18));
  }

  .fog-overlay__copy {
    max-width: calc(100vw - 1.6rem);
    text-align: center;
  }

  .pending-fog__copy {
    text-align: center;
    max-width: min(26rem, calc(100vw - 2rem));
  }
}