:root {
  --bg: #f6f1e9;
  --surface: rgba(255, 255, 255, 0.68);
  --surface-strong: rgba(255, 255, 255, 0.84);
  --ink: #1d2a2f;
  --muted: #455a63;
  --primary: #176f9c;
  --secondary: #d06b37;
  --accent: #c4b36d;
  --issue: #d06b37;
  --issue-soft: rgba(208, 107, 55, 0.16);
  --solution: #176f9c;
  --solution-soft: rgba(23, 111, 156, 0.14);
  --border: rgba(29, 42, 47, 0.12);
  --shadow: 0 14px 40px rgba(13, 44, 51, 0.14);
  --radius: 18px;
  --max-width: 1120px;
  --ease: 420ms cubic-bezier(0.2, 0.7, 0.1, 1);
  --mouse-x: 50vw;
  --mouse-y: 16vh;
  --cursor-x: 50vw;
  --cursor-y: 16vh;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 8%, rgba(208, 107, 55, 0.18) 0%, transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(23, 111, 156, 0.16) 0%, transparent 35%),
    radial-gradient(circle at 50% 110%, rgba(196, 179, 109, 0.16) 0%, transparent 40%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.55;
  position: relative;
}

body.mousefx-enhanced {
  cursor: none;
}

body.mousefx-enhanced a,
body.mousefx-enhanced button,
body.mousefx-enhanced summary,
body.mousefx-enhanced .issue-side,
body.mousefx-enhanced .map-jump {
  cursor: none;
}

body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  opacity: 0;
  transition: opacity 220ms ease;
  z-index: 0;
}

body::before {
  width: 520px;
  height: 520px;
  left: calc(var(--mouse-x) - 260px);
  top: calc(var(--mouse-y) - 260px);
  border-radius: 999px;
  background: radial-gradient(circle, rgba(23, 111, 156, 0.16) 0%, rgba(208, 107, 55, 0.08) 38%, transparent 72%);
}

body::after {
  width: 140px;
  height: 140px;
  left: calc(var(--mouse-x) - 70px);
  top: calc(var(--mouse-y) - 70px);
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.38) 0%, transparent 72%);
}

body.mousefx::before,
body.mousefx::after {
  opacity: 1;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 90;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(208, 107, 55, 0.15), rgba(23, 111, 156, 0.15));
}

.scroll-progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform-origin: left center;
  transform: scaleX(0);
  background:
    linear-gradient(
      90deg,
      rgba(208, 107, 55, 0.95) 0%,
      rgba(244, 174, 130, 0.95) 30%,
      rgba(118, 188, 223, 0.95) 68%,
      rgba(23, 111, 156, 0.95) 100%
    );
  box-shadow: 0 0 14px rgba(23, 111, 156, 0.32);
}

.ambient-noise {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.12;
  mix-blend-mode: soft-light;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.35) 0.6px, transparent 0.8px),
    radial-gradient(rgba(29, 42, 47, 0.2) 0.6px, transparent 0.8px);
  background-size: 3px 3px, 5px 5px;
  background-position: 0 0, 1px 2px;
}

.ambient-noise::before,
.ambient-noise::after {
  content: "";
  position: absolute;
  inset: -18%;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.34;
}

.ambient-noise::before {
  background:
    radial-gradient(circle at 20% 30%, rgba(208, 107, 55, 0.18), transparent 45%),
    radial-gradient(circle at 75% 72%, rgba(23, 111, 156, 0.18), transparent 45%);
  animation: aurora-sweep 24s linear infinite;
}

.ambient-noise::after {
  background:
    conic-gradient(
      from 170deg at 50% 50%,
      rgba(208, 107, 55, 0.09),
      rgba(23, 111, 156, 0.09),
      rgba(208, 107, 55, 0.09)
    );
  filter: blur(26px);
  animation: aurora-spin 32s linear infinite;
}

.tech-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.08;
  mix-blend-mode: soft-light;
  background-image:
    linear-gradient(rgba(23, 111, 156, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 111, 156, 0.12) 1px, transparent 1px);
  background-size: 128px 128px;
  mask-image: radial-gradient(circle at 50% 40%, black 24%, transparent 78%);
  animation: grid-drift 24s linear infinite;
}

.cursor-ring,
.cursor-dot {
  position: fixed;
  left: 0;
  top: 0;
  pointer-events: none;
  z-index: 95;
  opacity: 0;
  transform: translate3d(-100px, -100px, 0) translate(-50%, -50%);
  will-change: transform, opacity;
  transition: opacity 90ms linear;
}

.cursor-ring {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(29, 42, 47, 0.3);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.74) 0%, rgba(255, 255, 255, 0.16) 48%, transparent 72%),
    conic-gradient(
      from 192deg at 50% 50%,
      rgba(208, 107, 55, 0.15),
      rgba(255, 255, 255, 0.14),
      rgba(23, 111, 156, 0.16),
      rgba(208, 107, 55, 0.15)
    );
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.42) inset,
    0 10px 24px rgba(29, 42, 47, 0.14),
    0 0 16px rgba(23, 111, 156, 0.1);
  backdrop-filter: blur(3px) saturate(118%);
  mix-blend-mode: multiply;
  transition: border-color 130ms ease, box-shadow 140ms ease;
}

.cursor-ring::before {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.56);
  opacity: 0.8;
}

.cursor-ring::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  top: 4px;
  right: 5px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.34) 42%, transparent 72%),
    linear-gradient(145deg, rgba(208, 107, 55, 0.95), rgba(23, 111, 156, 0.95));
  box-shadow: 0 0 10px rgba(208, 107, 55, 0.22);
  animation: cursor-glimmer 2.8s ease-in-out infinite;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(24, 34, 39, 0.9);
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.82),
    0 0 14px rgba(23, 111, 156, 0.22);
  transition: background 120ms ease, box-shadow 120ms ease;
}

body.mousefx-enhanced .cursor-ring,
body.mousefx-enhanced .cursor-dot {
  opacity: 1;
}

.cursor-ring.active {
  border-color: rgba(23, 111, 156, 0.68);
  box-shadow:
    0 0 0 1px rgba(23, 111, 156, 0.24) inset,
    0 0 26px rgba(23, 111, 156, 0.22),
    0 10px 26px rgba(29, 42, 47, 0.16);
}

.cursor-ring.clicking {
  border-color: rgba(208, 107, 55, 0.72);
  box-shadow:
    0 0 0 1px rgba(208, 107, 55, 0.24) inset,
    0 0 24px rgba(208, 107, 55, 0.24),
    0 9px 22px rgba(29, 42, 47, 0.14);
}

.cursor-dot.clicking {
  background: rgba(208, 107, 55, 0.9);
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.82),
    0 0 14px rgba(208, 107, 55, 0.32);
}

main {
  width: min(var(--max-width), calc(100% - 2.2rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

a {
  color: inherit;
  text-decoration: none;
}

.orb {
  --ox: 0px;
  --oy: 0px;
  position: fixed;
  border-radius: 999px;
  filter: blur(8px);
  pointer-events: none;
  z-index: 0;
  transition: transform 220ms ease-out;
  animation: orb-float 14s ease-in-out infinite;
}

.orb-a {
  width: 320px;
  height: 320px;
  background: rgba(208, 101, 53, 0.16);
  top: -110px;
  left: -80px;
  animation-delay: -1s;
}

.orb-b {
  width: 360px;
  height: 360px;
  background: rgba(23, 111, 156, 0.14);
  right: -120px;
  top: 180px;
  animation-delay: -5s;
}

.orb-c {
  width: 380px;
  height: 380px;
  background: rgba(196, 179, 109, 0.14);
  left: 28%;
  bottom: -170px;
  animation-delay: -9s;
}

.topbar {
  width: min(var(--max-width), calc(100% - 2.2rem));
  margin: 1rem auto 0;
  padding: 0.72rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.58);
  position: sticky;
  top: 0.8rem;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 1.03rem;
  letter-spacing: 0.012em;
}

.brand-mark {
  color: var(--secondary);
  font-size: 0.74rem;
  transform: translateY(-1px);
}

.topbar-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.style-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.18rem;
  flex-wrap: nowrap;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.18rem;
}

.style-label {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--muted);
  padding: 0 0.38rem;
  white-space: nowrap;
}

.style-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.74rem;
  padding: 0.34rem 0.5rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
  white-space: nowrap;
}

.style-btn:hover {
  color: var(--ink);
}

.style-btn.active {
  color: #fff;
  background: linear-gradient(145deg, rgba(29, 42, 47, 0.9), rgba(29, 42, 47, 0.72));
  box-shadow: 0 7px 14px rgba(29, 42, 47, 0.26);
}

.lang-switch {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem;
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.38rem 0.68rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 160ms ease;
}

.lang-btn:hover {
  color: var(--ink);
}

.lang-btn.active {
  background: linear-gradient(145deg, var(--primary), #115f83);
  color: #fff;
  box-shadow: 0 8px 18px rgba(15, 106, 115, 0.34);
}

.section {
  margin-top: 2.7rem;
}

.hero {
  margin-top: 2.1rem;
  border-radius: calc(var(--radius) + 2px);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.93), rgba(255, 255, 255, 0.75)),
    linear-gradient(125deg, rgba(15, 106, 115, 0.08), rgba(208, 101, 53, 0.08));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: clamp(1.55rem, 1rem + 2vw, 2.5rem);
}

.kicker {
  margin: 0;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  font-size: 0.77rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
}

h1,
h2 {
  font-family: "Fraunces", Georgia, serif;
  letter-spacing: 0.01em;
}

h1 {
  margin-top: 0.7rem;
  font-size: clamp(2rem, 3vw, 3.35rem);
  max-width: 14ch;
  letter-spacing: 0.008em;
}

.lead {
  margin: 1rem 0 0;
  max-width: 70ch;
  color: var(--muted);
  font-size: clamp(1rem, 0.7rem + 0.6vw, 1.18rem);
}

.thesis-brief {
  margin-top: 0.82rem;
  padding: 0.66rem 0.76rem;
  border-radius: 12px;
  border: 1px solid rgba(29, 42, 47, 0.12);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.58)),
    linear-gradient(90deg, rgba(23, 111, 156, 0.08), rgba(208, 107, 55, 0.08));
  max-width: 78ch;
}

.brief-tag {
  margin: 0;
  font-size: 0.71rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 800;
  color: var(--primary);
}

.brief-title {
  margin: 0.3rem 0 0;
  color: var(--ink);
  font-size: 0.93rem;
  line-height: 1.45;
}

.brief-supervisor {
  margin: 0.5rem 0 0;
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.36rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.brief-supervisor-label {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.44rem;
  border-radius: 999px;
  border: 1px solid rgba(23, 111, 156, 0.24);
  background: rgba(23, 111, 156, 0.08);
  color: var(--primary);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 800;
}

.brief-supervisor-value {
  color: var(--ink);
  font-weight: 600;
}

.lead-compact {
  margin: 0.2rem 0 0;
  max-width: 82ch;
  color: var(--muted);
}

.hero-actions {
  margin-top: 1.45rem;
  display: flex;
  gap: 0.76rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.55rem 0.95rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.93rem;
  transition: transform 140ms ease, box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  color: #fff;
  background: linear-gradient(145deg, #1d7eaa, #17699f);
  box-shadow: 0 10px 22px rgba(23, 111, 156, 0.34);
}

.btn.ghost {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.btn.primary:hover {
  box-shadow: 0 14px 28px rgba(23, 111, 156, 0.4);
}

.btn.ghost:hover {
  border-color: rgba(208, 107, 55, 0.42);
  box-shadow: 0 10px 24px rgba(208, 107, 55, 0.18);
}

.metrics {
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.78rem;
}

.metrics li {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem 0.82rem;
  display: flex;
  flex-direction: column;
  gap: 0.16rem;
}

.value {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.45rem;
  font-weight: 500;
}

.label {
  color: var(--muted);
  font-size: 0.88rem;
}

.section-head {
  display: grid;
  gap: 0.34rem;
  margin-bottom: 0.98rem;
}

.section-tag {
  margin: 0;
  color: var(--secondary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(1.55rem, 2.3vw, 2.2rem);
  max-width: 26ch;
}

.card-grid {
  display: grid;
  gap: 0.88rem;
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.panel,
.path-item,
.download-link,
.source-status,
.faq-list details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hover-react {
  --rx: 0deg;
  --ry: 0deg;
  --lift: 0px;
  --gloss-x: 50%;
  --gloss-y: 30%;
  position: relative;
  transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(var(--lift));
  transform-style: preserve-3d;
  transition: transform 240ms cubic-bezier(0.2, 0.7, 0.1, 1), box-shadow 240ms ease, border-color 220ms ease;
  will-change: transform;
}

.hover-react::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 220ms ease;
  background: radial-gradient(circle at var(--gloss-x) var(--gloss-y), rgba(255, 255, 255, 0.38), transparent 45%);
}

.hover-react.is-tilting::after {
  opacity: 1;
}

.card,
.panel,
.path-item,
.download-link,
.source-status {
  padding: 1rem 1.05rem;
}

.card h3,
.panel h3,
.path-item h3 {
  font-size: 1.06rem;
  margin-bottom: 0.38rem;
}

.card p,
.panel p,
.path-item p,
.faq-list p {
  margin: 0;
  color: var(--muted);
}

.challenge-card {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
}

.challenge-level {
  margin: 0;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(15, 106, 115, 0.09);
  border: 1px solid rgba(15, 106, 115, 0.2);
  font-weight: 800;
}

.framework-canvas {
  --spot-x: 50%;
  --spot-y: 12%;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at var(--spot-x) var(--spot-y), rgba(208, 107, 55, 0.18), transparent 30%),
    radial-gradient(circle at 16% 6%, rgba(208, 107, 55, 0.14), transparent 28%),
    radial-gradient(circle at 82% 8%, rgba(23, 111, 156, 0.13), transparent 31%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(252, 250, 247, 0.68));
  transition: background 180ms ease;
}

.framework-canvas.spot-active {
  background:
    radial-gradient(circle at var(--spot-x) var(--spot-y), rgba(208, 107, 55, 0.25), transparent 26%),
    radial-gradient(circle at 16% 6%, rgba(208, 107, 55, 0.14), transparent 28%),
    radial-gradient(circle at 82% 8%, rgba(23, 111, 156, 0.13), transparent 31%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(252, 250, 247, 0.74));
}

.framework-canvas::before,
.framework-canvas::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 999px;
}

.framework-canvas::before {
  width: 240px;
  height: 240px;
  background: rgba(208, 107, 55, 0.08);
  top: -110px;
  left: -95px;
}

.framework-canvas::after {
  width: 280px;
  height: 280px;
  background: rgba(23, 111, 156, 0.08);
  right: -120px;
  bottom: -145px;
}

.framework-headline {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  position: relative;
  z-index: 1;
}

.mini-pill {
  margin: 0;
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.56rem;
  border-radius: 999px;
  font-size: 0.74rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--issue);
  border: 1px solid rgba(208, 107, 55, 0.24);
  background: rgba(208, 107, 55, 0.1);
  font-weight: 800;
}

.mini-pill.alt {
  color: var(--solution);
  border-color: rgba(23, 111, 156, 0.3);
  background: rgba(23, 111, 156, 0.1);
}

.framework-map {
  margin-top: 0.92rem;
  display: grid;
  gap: 0.72rem;
  position: relative;
  z-index: 1;
}

.map-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 126px minmax(0, 1fr);
  gap: 0.58rem;
  align-items: stretch;
  opacity: 0;
  transform: translateY(8px);
  animation: map-row-in 420ms cubic-bezier(0.2, 0.7, 0.1, 1) forwards;
  animation-delay: var(--row-delay, 0ms);
}

.map-node {
  position: relative;
  padding: 0.78rem 0.84rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.85);
  transition: transform 220ms cubic-bezier(0.2, 0.7, 0.1, 1), box-shadow 220ms ease, border-color 220ms ease, opacity 200ms ease;
}

.map-node::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  border-radius: 14px 14px 0 0;
}

.issue-side::before {
  background: linear-gradient(90deg, rgba(208, 107, 55, 0.82), rgba(208, 107, 55, 0.22));
}

.comp-side::before {
  background: linear-gradient(90deg, rgba(23, 111, 156, 0.82), rgba(23, 111, 156, 0.22));
}

.issue-side {
  cursor: pointer;
  transform-origin: center;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78)),
    linear-gradient(95deg, var(--issue-soft), transparent 56%);
}

.comp-side {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78)),
    linear-gradient(95deg, var(--solution-soft), transparent 56%);
}

.node-index {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
}

.map-node h3 {
  margin: 0.28rem 0 0.28rem;
  font-size: 0.95rem;
}

.map-node p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.map-link {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100%;
}

.map-link::before {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  top: 22%;
  bottom: 22%;
  border-radius: 999px;
  border: 1px solid rgba(29, 42, 47, 0.1);
  background:
    radial-gradient(circle at 14% 50%, rgba(208, 107, 55, 0.26), transparent 44%),
    radial-gradient(circle at 86% 50%, rgba(23, 111, 156, 0.26), transparent 44%);
  opacity: 0.35;
  transform: scaleX(0.94);
  transition: opacity 200ms ease, transform 200ms ease;
}

.link-beam {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  border-radius: 999px;
  background:
    repeating-linear-gradient(
      90deg,
      rgba(208, 107, 55, 0.33) 0 8px,
      rgba(23, 111, 156, 0.33) 8px 16px
    );
  opacity: 0.45;
  animation: beam-flow 2.6s linear infinite;
}

.link-core {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(29, 42, 47, 0.18);
  background: rgba(255, 255, 255, 0.88);
  display: grid;
  place-items: center;
  color: var(--solution);
  font-size: 1rem;
  font-weight: 800;
  box-shadow: 0 10px 18px rgba(29, 42, 47, 0.12);
}

.link-core::before {
  content: "→";
}

.map-row:hover .map-node,
.map-row:focus-within .map-node,
.map-row.active .map-node {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(13, 44, 51, 0.14);
}

.framework-map.focus-mode .map-row .issue-side {
  opacity: 0.54;
  transform: scale(0.95);
}

.framework-map.focus-mode .map-row .comp-side {
  opacity: 0.66;
}

.framework-map.focus-mode .map-row.active .issue-side,
.framework-map.focus-mode .map-row.locked .issue-side {
  opacity: 1;
  transform: scale(1.09);
  box-shadow: 0 18px 30px rgba(208, 107, 55, 0.24);
}

.framework-map.focus-mode .map-row.active .comp-side,
.framework-map.focus-mode .map-row.locked .comp-side {
  opacity: 1;
  transform: scale(1.03);
}

.map-row:hover .issue-side,
.map-row:focus-within .issue-side,
.map-row.active .issue-side {
  border-color: rgba(208, 107, 55, 0.54);
}

.map-row:hover .comp-side,
.map-row:focus-within .comp-side,
.map-row.active .comp-side {
  border-color: rgba(23, 111, 156, 0.52);
}

.map-row:hover .link-beam,
.map-row:focus-within .link-beam,
.map-row.active .link-beam {
  opacity: 0.9;
}

.map-row:hover .map-link::before,
.map-row:focus-within .map-link::before,
.map-row.active .map-link::before {
  opacity: 0.74;
  transform: scaleX(1);
}

.map-row:hover .link-core,
.map-row:focus-within .link-core,
.map-row.active .link-core {
  border-color: rgba(23, 111, 156, 0.44);
  transform: scale(1.05);
}

.map-row.locked .link-core {
  border-color: rgba(208, 107, 55, 0.56);
  box-shadow: 0 10px 20px rgba(208, 107, 55, 0.26);
}

.framework-canvas.touch-mode .map-row.active .issue-side {
  transform: scale(1.04);
  box-shadow: 0 16px 28px rgba(208, 107, 55, 0.2);
  border-color: rgba(208, 107, 55, 0.44);
}

.framework-canvas.touch-mode .map-row.active .comp-side {
  border-color: rgba(23, 111, 156, 0.44);
}

.map-detail {
  margin-top: 0.86rem;
  padding: 0.74rem 0.84rem;
  border-radius: 12px;
  border: 1px solid rgba(29, 42, 47, 0.16);
  background: rgba(255, 255, 255, 0.76);
  position: relative;
  z-index: 1;
}

.detail-kicker {
  margin: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--primary);
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
}

.detail-index {
  color: var(--secondary);
}

.detail-title {
  margin: 0.38rem 0 0.26rem;
  font-size: 1rem;
}

.detail-body {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.detail-body strong {
  color: var(--ink);
}

.detail-body strong:first-of-type {
  color: var(--issue);
}

.detail-body strong:last-of-type {
  color: var(--solution);
}

.detail-separator {
  margin: 0 0.5rem;
  color: rgba(29, 42, 47, 0.35);
}

.mapping-panel h3 {
  margin-bottom: 0.58rem;
}

.mapping-panel {
  margin-top: 0.88rem;
}

.mapping-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.mapping-list li {
  margin: 0;
}

.map-jump {
  width: 100%;
  text-align: left;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.87rem;
  padding: 0.46rem 0.58rem;
  border-radius: 10px;
  border: 1px dashed rgba(29, 42, 47, 0.2);
  background: rgba(255, 255, 255, 0.68);
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 140ms ease;
}

.map-jump:hover {
  transform: translateY(-1px);
  border-color: rgba(23, 111, 156, 0.42);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.8)),
    linear-gradient(90deg, rgba(208, 107, 55, 0.1), rgba(23, 111, 156, 0.08));
}

.map-jump:focus-visible,
.framework-canvas:focus-visible {
  outline: 2px solid rgba(23, 111, 156, 0.55);
  outline-offset: 2px;
}

.map-jump.active {
  border-style: solid;
  border-color: rgba(23, 111, 156, 0.45);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.78)),
    linear-gradient(90deg, rgba(208, 107, 55, 0.12), rgba(23, 111, 156, 0.12));
}

.mapping-note {
  margin: 0.68rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

@keyframes map-row-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cursor-glimmer {
  0%,
  100% {
    opacity: 0.95;
    transform: scale(1);
  }
  50% {
    opacity: 0.58;
    transform: scale(0.82);
  }
}

@keyframes grid-drift {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(-14px, -12px, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes beam-flow {
  to {
    background-position: 48px 0;
  }
}

@keyframes orb-float {
  0% {
    transform: translate3d(var(--ox), var(--oy), 0) scale(1);
  }
  50% {
    transform: translate3d(calc(var(--ox) + 12px), calc(var(--oy) - 10px), 0) scale(1.03);
  }
  100% {
    transform: translate3d(var(--ox), var(--oy), 0) scale(1);
  }
}

@keyframes aurora-sweep {
  0% {
    transform: translate3d(-4%, -3%, 0) rotate(0deg);
  }
  50% {
    transform: translate3d(5%, 4%, 0) rotate(2.2deg);
  }
  100% {
    transform: translate3d(-4%, -3%, 0) rotate(0deg);
  }
}

@keyframes aurora-spin {
  0% {
    transform: rotate(0deg) scale(1);
  }
  50% {
    transform: rotate(180deg) scale(1.08);
  }
  100% {
    transform: rotate(360deg) scale(1);
  }
}

.tone-a {
  border-top: 4px solid rgba(15, 106, 115, 0.55);
}

.tone-b {
  border-top: 4px solid rgba(208, 101, 53, 0.62);
}

.tone-c {
  border-top: 4px solid rgba(125, 98, 46, 0.65);
}

.path {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.88rem;
}

.path-step {
  margin: 0 0 0.3rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.15rem;
  color: var(--primary);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.88rem;
}

.faq-list {
  display: grid;
  gap: 0.65rem;
}

.faq-list details {
  padding: 0.85rem 0.95rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  margin-top: 0.6rem;
}

.author-layout {
  display: grid;
  grid-template-columns: 1.22fr 1fr;
  gap: 0.88rem;
}

.author-intro {
  display: flex;
  flex-direction: column;
  gap: 0.72rem;
}

.author-profile {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 0.88rem;
  align-items: center;
}

.author-photo-wrap {
  margin: 0;
  width: 132px;
  height: 164px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(29, 42, 47, 0.16);
  box-shadow:
    0 12px 22px rgba(13, 44, 51, 0.16),
    0 0 0 1px rgba(255, 255, 255, 0.36) inset;
  background:
    linear-gradient(150deg, rgba(23, 111, 156, 0.15), rgba(208, 107, 55, 0.14));
}

.author-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 24%;
  display: block;
}

.author-copy {
  display: grid;
  gap: 0.34rem;
}

.author-photo-note {
  margin: 0;
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  font-weight: 600;
}

.author-role {
  margin: 0;
  color: var(--primary);
  font-weight: 700;
}

.author-brief {
  margin: 0;
  padding: 0.6rem 0.72rem;
  border-radius: 11px;
  border: 1px solid rgba(29, 42, 47, 0.12);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.74)),
    linear-gradient(90deg, rgba(23, 111, 156, 0.08), rgba(208, 107, 55, 0.08));
  color: var(--muted);
}

.author-actions {
  margin-top: 0.1rem;
}

.author-cards {
  grid-template-columns: 1fr 1fr;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.download-link {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: transform 130ms ease, border-color 170ms ease;
}

.download-link:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 106, 115, 0.35);
}

.download-link span {
  font-weight: 700;
}

.download-link small {
  color: var(--muted);
}

.links-grid {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 820px;
}

.source-status {
  max-width: 820px;
}

.source-pill {
  margin: 0;
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.52rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(145deg, #9b5f27, #b8742a);
}

.source-status h3 {
  margin: 0.66rem 0 0.36rem;
}

.source-status p {
  margin: 0;
  color: var(--muted);
}

.source-date {
  margin-top: 0.62rem !important;
}

.source-date strong {
  color: var(--ink);
}

.source-contact {
  margin-top: 0.62rem !important;
}

.source-contact a {
  color: var(--primary);
  font-weight: 700;
}

.footer {
  width: min(var(--max-width), calc(100% - 2.2rem));
  margin: 2.8rem auto 2rem;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer p {
  margin: 0;
}

.footer-small {
  text-align: right;
}

body[data-visual="refined"] {
  background:
    radial-gradient(circle at 16% 8%, rgba(208, 107, 55, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 84% 16%, rgba(23, 111, 156, 0.12) 0%, transparent 38%),
    radial-gradient(circle at 48% 118%, rgba(196, 179, 109, 0.12) 0%, transparent 46%),
    #f4f2ec;
}

body[data-visual="refined"] .ambient-noise {
  opacity: 0.08;
}

body[data-visual="refined"] .ambient-noise::after {
  opacity: 0.24;
  filter: blur(24px);
}

body[data-visual="refined"] .tech-grid {
  opacity: 0.06;
  background-size: 140px 140px;
}

body[data-visual="refined"] .orb-a,
body[data-visual="refined"] .orb-b,
body[data-visual="refined"] .orb-c {
  opacity: 0.74;
}

body[data-visual="refined"] .card,
body[data-visual="refined"] .panel,
body[data-visual="refined"] .path-item,
body[data-visual="refined"] .download-link,
body[data-visual="refined"] .source-status,
body[data-visual="refined"] .faq-list details {
  border-color: rgba(29, 42, 47, 0.1);
  box-shadow: 0 10px 24px rgba(13, 44, 51, 0.1);
}

body[data-visual="refined"] .framework-canvas {
  background:
    radial-gradient(circle at var(--spot-x) var(--spot-y), rgba(208, 107, 55, 0.12), transparent 34%),
    radial-gradient(circle at 82% 8%, rgba(23, 111, 156, 0.1), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(252, 250, 247, 0.78));
}

body[data-visual="refined"] .link-beam {
  opacity: 0.34;
}

body[data-visual="refined"] .cursor-ring {
  mix-blend-mode: normal;
  border-color: rgba(29, 42, 47, 0.28);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.38) inset,
    0 9px 20px rgba(29, 42, 47, 0.12);
}

body[data-visual="editorial"] {
  background:
    linear-gradient(180deg, #f2f0ea 0%, #f5f4ef 58%, #f1eee8 100%);
}

body[data-visual="editorial"] .ambient-noise {
  opacity: 0.05;
  mix-blend-mode: multiply;
}

body[data-visual="editorial"] .ambient-noise::before,
body[data-visual="editorial"] .ambient-noise::after {
  opacity: 0.16;
}

body[data-visual="editorial"] .tech-grid {
  opacity: 0.11;
  background-image:
    linear-gradient(rgba(29, 42, 47, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 42, 47, 0.06) 1px, transparent 1px);
  background-size: 88px 88px;
}

body[data-visual="editorial"] .topbar,
body[data-visual="editorial"] .hero,
body[data-visual="editorial"] .card,
body[data-visual="editorial"] .panel,
body[data-visual="editorial"] .path-item,
body[data-visual="editorial"] .download-link,
body[data-visual="editorial"] .source-status,
body[data-visual="editorial"] .faq-list details {
  border-radius: 12px;
}

body[data-visual="editorial"] .scroll-progress-bar {
  background: linear-gradient(90deg, rgba(29, 42, 47, 0.86), rgba(23, 111, 156, 0.8));
  box-shadow: 0 0 10px rgba(23, 111, 156, 0.22);
}

body[data-visual="pulse"] {
  background:
    radial-gradient(circle at 8% 6%, rgba(208, 107, 55, 0.2) 0%, transparent 42%),
    radial-gradient(circle at 88% 14%, rgba(23, 111, 156, 0.22) 0%, transparent 39%),
    radial-gradient(circle at 50% 106%, rgba(196, 179, 109, 0.18) 0%, transparent 46%),
    #efede7;
}

body[data-visual="pulse"] .ambient-noise {
  opacity: 0.14;
}

body[data-visual="pulse"] .ambient-noise::before,
body[data-visual="pulse"] .ambient-noise::after {
  opacity: 0.44;
}

body[data-visual="pulse"] .tech-grid {
  opacity: 0.13;
  background-size: 110px 110px;
}

body[data-visual="pulse"] .card,
body[data-visual="pulse"] .panel,
body[data-visual="pulse"] .path-item,
body[data-visual="pulse"] .download-link,
body[data-visual="pulse"] .source-status,
body[data-visual="pulse"] .faq-list details {
  box-shadow: 0 14px 34px rgba(13, 44, 51, 0.16);
}

.style-switch .style-btn[data-style="refined"].active {
  background: linear-gradient(145deg, rgba(29, 42, 47, 0.9), rgba(29, 42, 47, 0.72));
}

.style-switch .style-btn[data-style="editorial"].active {
  background: linear-gradient(145deg, rgba(29, 42, 47, 0.86), rgba(94, 106, 112, 0.86));
}

.style-switch .style-btn[data-style="pulse"].active {
  background: linear-gradient(145deg, rgba(23, 111, 156, 0.92), rgba(208, 107, 55, 0.92));
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--ease), transform var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .metrics {
    grid-template-columns: 1fr;
  }

  .card-grid.three,
  .path,
  .impact-grid,
  .author-layout,
  .author-cards,
  .download-grid {
    grid-template-columns: 1fr 1fr;
  }

  .map-row {
    grid-template-columns: minmax(0, 1fr) 92px minmax(0, 1fr);
  }

  .mapping-list {
    grid-template-columns: 1fr;
  }

  .author-profile {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 0.72rem;
  }

  .author-photo-wrap {
    width: 112px;
    height: 140px;
  }

  .topbar {
    flex-wrap: wrap;
  }

  .topbar-controls {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

@media (max-width: 700px) {
  main,
  .topbar,
  .footer {
    width: min(var(--max-width), calc(100% - 1.2rem));
  }

  .topbar {
    padding: 0.62rem 0.68rem;
    flex-direction: column;
    align-items: stretch;
  }

  .brand {
    font-size: 0.88rem;
  }

  .topbar-controls {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.34rem;
  }

  .style-switch,
  .lang-switch {
    width: 100%;
    justify-content: center;
  }

  .style-switch {
    flex-wrap: wrap;
  }

  .style-label {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .card-grid.three,
  .path,
  .impact-grid,
  .author-layout,
  .author-cards,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .author-profile {
    grid-template-columns: 1fr;
    gap: 0.62rem;
  }

  .author-photo-wrap {
    width: 118px;
    height: 148px;
  }

  .framework-headline {
    flex-direction: column;
    align-items: flex-start;
  }

  .map-row {
    grid-template-columns: 1fr;
    gap: 0.48rem;
  }

  .map-link {
    min-height: 30px;
  }

  .map-link::before {
    left: calc(50% - 8px);
    right: calc(50% - 8px);
    top: 6px;
    bottom: 6px;
    border-radius: 999px;
    transform: none;
    opacity: 0.5;
  }

  .link-beam {
    width: 2px;
    left: 50%;
    right: auto;
    top: 2px;
    bottom: 2px;
    height: auto;
    transform: translateX(-50%);
    background:
      repeating-linear-gradient(
        180deg,
        rgba(15, 106, 115, 0.26) 0 8px,
        rgba(208, 101, 53, 0.26) 8px 16px
      );
  }

  .link-core::before {
    content: "↓";
  }

  .detail-title {
    font-size: 0.94rem;
  }

  .detail-body {
    display: grid;
    gap: 0.16rem;
  }

  .detail-separator {
    display: none;
  }

  .mapping-list {
    display: flex;
    overflow-x: auto;
    gap: 0.38rem;
    padding-bottom: 0.2rem;
    scroll-snap-type: x proximity;
  }

  .map-jump {
    min-width: max-content;
    white-space: nowrap;
    border-radius: 999px;
    padding: 0.44rem 0.66rem;
    scroll-snap-align: start;
  }

  .framework-map.focus-mode .map-row .issue-side,
  .framework-map.focus-mode .map-row .comp-side {
    opacity: 1;
    transform: none;
  }

  .framework-map.focus-mode .map-row.active .issue-side,
  .framework-map.focus-mode .map-row.locked .issue-side {
    transform: scale(1.03);
  }

  .footer {
    flex-direction: column;
    gap: 0.4rem;
  }

  .footer-small {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media (hover: none), (pointer: coarse) {
  body::before,
  body::after {
    display: none;
  }

  .cursor-ring,
  .cursor-dot {
    display: none;
  }

  .ambient-noise {
    opacity: 0.08;
  }

  .tech-grid {
    opacity: 0.05;
  }

  .hover-react {
    transform: none !important;
  }

  .hover-react::after {
    display: none;
  }
}