/* =========================================================================
   FULLDOT — Homepage Specific Styles
   ========================================================================= */

/* ── Top Nav ──────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  background: rgba(var(--paper-rgb), 0.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(var(--paper-rgb), 0.92);
  border-bottom-color: rgba(var(--ink-rgb), 0.08);
  box-shadow: 0 1px 0 rgba(var(--teal-rgb), 0.12),
              0 8px 24px -16px rgba(var(--ink-rgb), 0.16);
}

/* Scroll progress bar — teal → coral → bronze (1.5px under nav) */
.nav__progress {
  position: absolute;
  inset: auto 0 -1px 0;
  height: 1.5px;
  pointer-events: none;
  background: linear-gradient(90deg,
    var(--teal) 0%,
    var(--teal-light) 30%,
    var(--coral) 60%,
    var(--bronze) 100%);
  transform-origin: left center;
  transform: scaleX(var(--progress, 0));
  transition: transform 80ms linear;
  opacity: 0.85;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 8px rgba(var(--teal-rgb), 0.32);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--outer-m);
}
@media (min-width: 768px) {
  .nav__inner { padding-inline: var(--outer-d); }
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: var(--tracking-display);
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 0.4em;
}
.nav__brand-dot {
  color: var(--bronze);
  font-weight: 500;
  display: inline-block;
  transition: color var(--dur-base) var(--ease-out),
              text-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-spring);
}
.nav__brand:hover .nav__brand-dot {
  color: var(--teal);
  text-shadow: 0 0 8px rgba(var(--teal-rgb), 0.4);
  transform: translateY(-2px) scale(1.2);
}
.nav__brand:hover {
  color: var(--ink-glow);
}
.nav__brand-sub {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-left: 0.6em;
  opacity: 0.7;
  transition: opacity var(--dur-base) var(--ease-out);
}
.nav__brand:hover .nav__brand-sub { opacity: 1; }

.nav__menu {
  display: none;
  align-items: center;
  gap: var(--space-4);
}
@media (min-width: 1024px) {
  .nav__menu { display: flex; }
}

.nav__menu a {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-90);
  position: relative;
  padding: 0.5em 0.2em;
  transition: color var(--dur-base) var(--ease-out);
}
.nav__menu a:hover {
  color: var(--teal-deep);
}
.nav__menu a:hover { text-shadow: 0 0 12px rgba(var(--teal-rgb), 0.18); }
.nav__menu a::after {
  content:"";
  position:absolute;
  left:0; right:0; bottom:0;
  height: 2px;
  background: var(--grad-bronze);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-base) var(--ease-glide);
}
.nav__menu a:hover::after,
.nav__menu a.is-active::after,
.nav__menu a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav__menu a.is-active,
.nav__menu a[aria-current="page"] { color: var(--bronze); }

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: transparent;
  position: relative;
  z-index: var(--z-modal);
  transition: background var(--dur-base) var(--ease-out);
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  margin: 0 auto;
  transition: transform var(--dur-base) var(--ease-glide),
              opacity var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
  transform-origin: center;
}
.nav__burger[aria-expanded="true"] { background: rgba(var(--paper-rgb), 0.08); }
.nav__burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
  background: var(--paper);
}
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
  background: var(--paper);
}
@media (min-width: 1024px) {
  .nav__burger { display: none; }
}

/* ── Mobile nav overlay ──────────────────────────────────────────────── */
@media (max-width: 1023px) {
  .nav__menu {
    display: flex;
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-modal) - 1);
    background:
      radial-gradient(ellipse 70% 55% at 20% 25%, rgba(var(--copper-rgb), 0.20), transparent 60%),
      radial-gradient(ellipse 50% 60% at 80% 80%, rgba(var(--teal-rgb), 0.15), transparent 60%),
      var(--ink);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-6) var(--outer-m);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-2%);
    transition: opacity 380ms var(--ease-glide),
                transform 480ms var(--ease-glide);
  }
  .nav__menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }
  .nav__menu a {
    font-family: var(--font-display);
    font-size: clamp(2rem, 7vw, 3.5rem);
    font-weight: 400;
    color: var(--paper);
    padding: 0.2em 0;
    opacity: 0;
    transform: translateX(-16px);
    transition: opacity 480ms var(--ease-glide),
                transform 480ms var(--ease-glide),
                color 200ms var(--ease-out);
  }
  .nav__menu.is-open a { opacity: 1; transform: none; }
  .nav__menu.is-open a:nth-child(1) { transition-delay: 120ms; }
  .nav__menu.is-open a:nth-child(2) { transition-delay: 180ms; }
  .nav__menu.is-open a:nth-child(3) { transition-delay: 240ms; }
  .nav__menu.is-open a:nth-child(4) { transition-delay: 300ms; }
  .nav__menu.is-open a:nth-child(5) { transition-delay: 360ms; }
  .nav__menu.is-open a:nth-child(6) { transition-delay: 420ms; }
  .nav__menu.is-open a:nth-child(7) { transition-delay: 480ms; }
  .nav__menu a:hover { color: var(--copper-bright); }
  .nav__menu a::after { display: none; }
}

/* Lock body scroll when overlay open */
html.nav-open,
html.nav-open body { overflow: hidden; }

/* ── Hero ─────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding-top: 72px;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* Hero particle constellation (knowledge-graph metaphor) */
.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0;
  animation: hero-particles-fade-in 2400ms var(--ease-glide) 800ms forwards;
}
@keyframes hero-particles-fade-in {
  to { opacity: 1; }
}

/* Hero cursor companion (Copper Glow dot) */
.hero-cursor {
  position: absolute;
  top: 0; left: 0;
  width: 12px; height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--copper-bright) 0%, transparent 70%);
  pointer-events: none;
  z-index: 4;
  opacity: 0;
  filter: blur(0.5px);
  transition: opacity 380ms var(--ease-glide), width 220ms var(--ease-spring), height 220ms var(--ease-spring);
  mix-blend-mode: screen;
}
.hero-cursor.is-active {
  opacity: 0.85;
  width: 28px; height: 28px;
  margin: -14px 0 0 -14px;
}
.hero-cursor::after {
  content: "";
  position: absolute;
  inset: -22px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--copper-rgb), 0.32) 0%, transparent 60%);
  filter: blur(8px);
}
@media (prefers-reduced-motion: reduce) { .hero-cursor { display: none; } }
/* Fallback gradient if WebGL fails — richer multi-stop */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-hero);
  z-index: 0;
}

.hero__grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.08;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 220px 220px;
}

.hero__inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--outer-m);
  padding-block: var(--space-7);
}
@media (min-width: 768px) {
  .hero__inner { padding-inline: var(--outer-d); }
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--copper-bright);
  display: inline-flex;
  align-items: center;
  gap: 0.9em;
  opacity: 0;
  transform: translateY(8px);
  animation: hero-rise 900ms var(--ease-glide) 200ms forwards;
}
.hero__eyebrow::before {
  content:"";
  display: inline-block;
  width: 40px; height: 1px;
  background: linear-gradient(to right, transparent, var(--copper-bright));
}

@keyframes hero-rise {
  to { opacity: 1; transform: translateY(0); }
}

.hero__h1 {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-display-1);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: var(--tracking-display);
  color: var(--paper);
  max-width: 18ch;
  opacity: 0;
  transform: translateY(16px);
  animation: hero-rise 1100ms var(--ease-glide) 350ms forwards;
  padding-bottom: 0.06em;
}
.hero__h1 .em {
  background: linear-gradient(135deg, var(--copper-bright) 0%, var(--copper-glow) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  display: inline-block;
  padding: 0.06em 0.1em 0.14em 0.05em;
  margin: -0.06em -0.1em -0.14em -0.05em;
  line-height: 1.12;
}

.hero__sub {
  margin-top: var(--space-4);
  font-family: var(--font-serif);
  font-size: var(--fs-body-lg);
  line-height: var(--lh-snug);
  color: rgba(var(--paper-rgb), 0.82);
  max-width: 52ch;
  opacity: 0;
  transform: translateY(12px);
  animation: hero-rise 1100ms var(--ease-glide) 500ms forwards;
}

.hero__cta {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  opacity: 0;
  transform: translateY(12px);
  animation: hero-rise 1100ms var(--ease-glide) 650ms forwards;
}

.hero__trust {
  position: relative;
  z-index: 3;
  margin-top: var(--space-6);
  padding-block: var(--space-3);
  border-top: 1px solid rgba(var(--paper-rgb), 0.16);
  border-bottom: 1px solid rgba(var(--paper-rgb), 0.16);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  opacity: 0;
  transform: translateY(12px);
  animation: hero-rise 1100ms var(--ease-glide) 800ms forwards;
}
.hero__trust-item:hover strong { color: var(--copper-bright); }
.hero__trust-item strong { transition: color var(--dur-base) var(--ease-out); }
@media (min-width: 768px) {
  .hero__trust { grid-template-columns: repeat(5, 1fr); }
}
.hero__trust-item {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: rgba(var(--paper-rgb), 0.6);
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.hero__trust-item strong {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--bronze-light);
}
.hero__trust .hero__trust-item:nth-child(1) strong { color: var(--copper-bright); }
.hero__trust .hero__trust-item:nth-child(2) strong { color: var(--teal-light); }
.hero__trust .hero__trust-item:nth-child(3) strong { color: var(--coral-light); }
.hero__trust .hero__trust-item:nth-child(4) strong { color: var(--copper-bright); }
.hero__trust .hero__trust-item:nth-child(5) strong { color: var(--teal-light); }

.hero__scroll {
  position: absolute;
  z-index: 3;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: rgba(var(--paper-rgb), 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6em;
}
.hero__scroll::after {
  content:"";
  display: block;
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--bronze-light), transparent);
  animation: scroll-pulse 2.4s var(--ease-in-out) infinite;
}
@keyframes scroll-pulse {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  50.1%{ transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── Section Header ───────────────────────────────────────────────────── */
.section-head {
  margin-bottom: var(--space-5);
  display: grid;
  gap: var(--space-2);
}
@media (min-width: 768px) {
  .section-head {
    grid-template-columns: 1fr 2fr;
    align-items: end;
    column-gap: var(--space-5);
  }
}
.section-head__caption { color: var(--bronze); }
.section-head__title { max-width: 22ch; }
.section-head__lead { color: var(--color-text-muted); max-width: 56ch; }

/* ── Pain Points ──────────────────────────────────────────────────────── */
.pain-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .pain-grid { grid-template-columns: repeat(3, 1fr); }
}
.pain-item {
  background: var(--paper);
  background-image: var(--grad-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  position: relative;
  transition: transform var(--dur-base) var(--ease-glide),
              border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-glide);
  overflow: hidden;
}
.pain-item::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-bronze);
  opacity: 0;                              /* hidden by default — only on hover */
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-glide),
              opacity var(--dur-base) var(--ease-out);
}
.pain-item:hover::before { opacity: 1; }
.pain-item:hover {
  border-color: var(--bronze);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.pain-item:hover::before { transform: scaleX(1); }
.pain-item:hover .pain-item__num {
  background: var(--grad-bronze);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pain-item__num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--bronze);
  line-height: 1;
  transition: all var(--dur-base) var(--ease-out);
}
/* Vary pain item numbers with the new accent palette */
.pain-grid .pain-item:nth-child(1) .pain-item__num { color: var(--coral); }
.pain-grid .pain-item:nth-child(1)::before { background: var(--grad-coral); }
.pain-grid .pain-item:nth-child(2) .pain-item__num { color: var(--teal); }
.pain-grid .pain-item:nth-child(2)::before { background: var(--grad-teal); }
.pain-grid .pain-item:nth-child(3) .pain-item__num { color: var(--bronze); }
.pain-grid .pain-item:nth-child(3)::before { background: var(--grad-bronze); }
.pain-item__title {
  margin-top: var(--space-2);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.25rem;
}
.pain-item__body {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ── Personas Triptych ────────────────────────────────────────────────── */
.persona-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .persona-grid { grid-template-columns: repeat(3, 1fr); }
}
.persona {
  background: var(--paper);
  background-image: var(--grad-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-base) var(--ease-glide),
              background-color var(--dur-base) var(--ease-out),
              background-image var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-glide);
  position: relative;
  overflow: hidden;
}
.persona::after {
  content: "";
  position: absolute;
  bottom: 0; right: 0;
  width: 140px; height: 140px;
  background: radial-gradient(circle, rgba(var(--copper-rgb), 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(50%, 50%);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-glide);
  pointer-events: none;
}
.persona:hover::after { opacity: 1; }
.persona:hover {
  background: var(--ink);
  background-image: none;
  color: var(--paper);
  border-color: var(--ink-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.persona:hover .persona__role,
.persona:hover .persona__copy { color: rgba(var(--paper-rgb), 0.7); }
.persona:hover .persona__title { color: var(--paper); }
.persona:hover .persona__cta { color: var(--bronze-light); }

.persona__role {
  color: var(--bronze);
  margin-bottom: var(--space-2);
  transition: color var(--dur-base);
}
/* Each persona card gets a distinct accent — bronze / teal / coral */
.persona-grid .persona:nth-child(1) .persona__role { color: var(--coral-deep); }
.persona-grid .persona:nth-child(1) .persona__cta { color: var(--coral-deep); }
.persona-grid .persona:nth-child(1)::after {
  background: radial-gradient(circle, rgba(var(--coral-rgb), 0.32) 0%, transparent 70%);
}
.persona-grid .persona:nth-child(2) .persona__role { color: var(--teal-deep); }
.persona-grid .persona:nth-child(2) .persona__cta { color: var(--teal-deep); }
.persona-grid .persona:nth-child(2)::after {
  background: radial-gradient(circle, rgba(var(--teal-rgb), 0.30) 0%, transparent 70%);
}
.persona-grid .persona:nth-child(3) .persona__role { color: var(--bronze-deep); }
.persona-grid .persona:nth-child(3) .persona__cta { color: var(--bronze-deep); }
.persona-grid .persona:nth-child(3)::after {
  background: radial-gradient(circle, rgba(var(--copper-rgb), 0.32) 0%, transparent 70%);
}
.persona__title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  line-height: 1.15;
  margin-bottom: var(--space-2);
  transition: color var(--dur-base);
}
.persona__copy {
  color: var(--color-text-muted);
  flex: 1;
  margin-bottom: var(--space-3);
  transition: color var(--dur-base);
}
.persona__cta {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--bronze);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  transition: color var(--dur-base);
}

/* ── Services ─────────────────────────────────────────────────────────── */
.services {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .services { grid-template-columns: repeat(3, 1fr); }
}
.service {
  border-top: 1px solid var(--color-border-strong);
  padding-top: var(--space-3);
}
.service__num {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  color: var(--bronze);
  display: inline-block;
}
.services > .service { position: relative; }
.services > .service::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 48px; height: 2px;
  background: var(--grad-bronze);
  border-radius: 2px;
  transition: width var(--dur-base) var(--ease-glide);
}
.services > .service:nth-child(1)::before { background: var(--grad-sunset); }
.services > .service:nth-child(2)::before { background: var(--grad-aurora); }
.services > .service:nth-child(3)::before { background: var(--grad-bronze); }
.services > .service:hover::before { width: 96px; }
.services > .service:nth-child(1) .service__num { color: var(--coral-deep); }
.services > .service:nth-child(2) .service__num { color: var(--teal-deep); }
.services > .service:nth-child(3) .service__num { color: var(--bronze-deep); }
.services > .service:nth-child(1) .service__link { color: var(--coral-deep); }
.services > .service:nth-child(2) .service__link { color: var(--teal-deep); }
.services > .service:nth-child(3) .service__link { color: var(--bronze-deep); }
.service__title {
  margin-top: var(--space-1);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  line-height: 1.15;
}
.service__body {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
}
.service__link {
  margin-top: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  color: var(--bronze);
  font-weight: 500;
  transition: gap var(--dur-base) var(--ease-out);
}
.service__link:hover { gap: 0.9em; }

/* ── Course Modules Timeline ──────────────────────────────────────────── */
.modules {
  display: grid;
  gap: var(--space-1);
}
.module {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-3);
  align-items: baseline;
  padding: var(--space-2) var(--space-2);
  border-bottom: 1px dashed var(--color-border);
  transition: background var(--dur-base) var(--ease-out),
              padding var(--dur-base) var(--ease-glide);
  border-radius: var(--radius);
  position: relative;
}
.module::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 3px; height: 0;
  background: var(--grad-bronze);
  transform: translateY(-50%);
  transition: height var(--dur-base) var(--ease-glide);
  border-radius: 2px;
}
.module:hover {
  background: linear-gradient(to right, rgba(var(--copper-rgb), 0.08), transparent 60%);
  padding-left: calc(var(--space-2) + 8px);
}
.module:hover::before { height: 70%; }
.module:hover .module__num { color: var(--copper-glow); }
.module__num { transition: color var(--dur-base) var(--ease-out); }
.module__num {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  color: var(--bronze);
  min-width: 4ch;
}
/* Module timeline numbers — alternate between three accents for rhythm */
.modules > .module:nth-child(3n+1) .module__num { color: var(--coral-deep); }
.modules > .module:nth-child(3n+2) .module__num { color: var(--teal-deep); }
.modules > .module:nth-child(3n+3) .module__num { color: var(--bronze); }
.module__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
}
.module__time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-soft);
}

/* ── Video Frame（YouTube 嵌入） ────────────────────────────────────── */
.video-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 56px -16px rgba(var(--ink-rgb), 0.22),
              0 8px 16px -8px rgba(var(--copper-rgb), 0.14);
  transition: transform var(--dur-base) var(--ease-glide),
              box-shadow var(--dur-base) var(--ease-glide);
  background: var(--ink);
}
.video-frame:hover {
  transform: translateY(-3px);
  box-shadow: 0 32px 64px -16px rgba(var(--ink-rgb), 0.28),
              0 8px 24px -8px rgba(var(--copper-rgb), 0.32);
}
.video-frame__inner {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.video-frame__inner iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-frame.is-placeholder .video-frame__inner,
.video-frame__inner:has(iframe[src*="YOUR_VIDEO_ID"]) {
  background:
    repeating-linear-gradient(45deg,
      transparent 0, transparent 28px,
      rgba(var(--copper-rgb), 0.06) 28px,
      rgba(var(--copper-rgb), 0.06) 56px),
    linear-gradient(135deg, var(--ink) 0%, var(--ink-glow) 60%, var(--ink) 100%);
}
.video-frame__inner:has(iframe[src*="YOUR_VIDEO_ID"])::before {
  content: "▶  影片待嵌入";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(var(--paper-rgb), 0.55);
  pointer-events: none;
}
.video-frame__inner:has(iframe[src*="YOUR_VIDEO_ID"]) iframe { display: none; }

.video-frame__cap {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  right: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  color: var(--paper);
  z-index: 2;
  font-size: 0.95rem;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.6);
}
.video-frame__cap .caption {
  color: var(--copper-bright);
}
@media (max-width: 640px) {
  .video-frame__cap { flex-direction: column; gap: 4px; }
}

/* ── Scene Gallery（授課實景）────────────────────────────────────────
   Asymmetric 2-column grid: wide/narrow/narrow/wide for elegance.
─────────────────────────────────────────────────────────────────────── */
.scene-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 768px) {
  .scene-gallery {
    grid-template-columns: 2fr 1.2fr;
    grid-auto-flow: dense;
    gap: var(--space-3);
  }
  .scene-gallery__item--wide { grid-column: span 2; }
}

.scene-gallery__item {
  position: relative;
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink);
  aspect-ratio: 4 / 5;
  transition: transform var(--dur-base) var(--ease-glide),
              box-shadow var(--dur-base) var(--ease-glide);
}
.scene-gallery__item--wide { aspect-ratio: 16 / 10; }
.scene-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1000ms var(--ease-glide), filter var(--dur-base);
}
.scene-gallery__svg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  transition: transform 1000ms var(--ease-glide);
}
.scene-gallery__svg svg {
  width: 100%;
  height: 100%;
  display: block;
}
.scene-gallery__item:hover .scene-gallery__svg { transform: scale(1.04); }
.scene-gallery__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(var(--ink-rgb), 0.78) 100%);
  pointer-events: none;
  transition: opacity var(--dur-base);
}
.scene-gallery__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px -16px rgba(var(--ink-rgb), 0.28),
              0 8px 24px -8px rgba(var(--copper-rgb), 0.28);
}
.scene-gallery__item:hover img { transform: scale(1.05); }

.scene-gallery__cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-3) var(--space-4);
  z-index: 2;
  color: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.scene-gallery__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--copper-bright);
}
.scene-gallery__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  font-variation-settings: "opsz" 96, "SOFT" 50;
}

/* Placeholder state: when image fails (404), show elegant blank with label */
.scene-gallery__item.is-placeholder {
  background:
    repeating-linear-gradient(45deg,
      transparent 0,
      transparent 22px,
      rgba(var(--copper-rgb), 0.05) 22px,
      rgba(var(--copper-rgb), 0.05) 44px),
    linear-gradient(135deg, var(--ink) 0%, var(--ink-glow) 100%);
}
.scene-gallery__item.is-placeholder img { display: none; }
.scene-gallery__item.is-placeholder::before {
  content: "📷  待上傳";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(var(--paper-rgb), 0.45);
  z-index: 1;
}

.scene-gallery__note {
  text-align: center;
  margin-top: var(--space-4);
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

/* ── Story / Instructor ───────────────────────────────────────────────── */
.story {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 768px) {
  .story {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-7);
  }
}
.story__pull {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
}
.story__pull .em {
  background: var(--grad-bronze);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
}
.story__body p { color: var(--color-text-muted); }
.story__body p + p { margin-top: var(--space-2); }

/* ── Story WITH PHOTO variant ──────────────────────────────────────────
   Layout: portrait (left) + pull-quote + body + badges + CTA (right)
─────────────────────────────────────────────────────────────────────── */
.story--with-photo {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}
@media (min-width: 768px) {
  .story--with-photo {
    grid-template-columns: minmax(260px, 0.85fr) 1.15fr;
    gap: var(--space-6);
  }
}
@media (min-width: 1024px) {
  .story--with-photo { gap: var(--space-7); }
}

.story__media { display: flex; flex-direction: column; gap: var(--space-3); }

/* Portrait card — elegant frame with copper accent line */
.story__portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink);
  margin: 0;
  box-shadow: 0 1px 0 rgba(255,255,255,0.5) inset,
              0 24px 56px -16px rgba(var(--ink-rgb), 0.22),
              0 8px 16px -8px rgba(var(--bronze-rgb), 0.18);
  transition: transform var(--dur-base) var(--ease-glide),
              box-shadow var(--dur-base) var(--ease-glide);
}
.story__portrait::before {
  /* Decorative frame outline visible on hover — refined "presence" */
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(218, 179, 130, 0);
  border-radius: calc(var(--radius-md) - 4px);
  pointer-events: none;
  transition: inset var(--dur-base) var(--ease-glide),
              border-color var(--dur-base) var(--ease-out);
  z-index: 2;
}
.story__portrait::after {
  /* Bottom gradient to anchor the caption */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    transparent 50%,
    rgba(var(--ink-rgb), 0.10) 75%,
    rgba(var(--ink-rgb), 0.55) 100%);
  pointer-events: none;
  z-index: 1;
}
.story__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.02) saturate(0.95);
  transition: transform 1200ms var(--ease-glide), filter var(--dur-base);
}
.story__portrait:hover img {
  transform: scale(1.04);
  filter: contrast(1.05) saturate(1);
}
.story__portrait:hover {
  transform: translateY(-4px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset,
              0 32px 64px -16px rgba(var(--ink-rgb), 0.28),
              0 8px 24px -8px rgba(var(--copper-rgb), 0.30);
}
.story__portrait:hover::before {
  inset: 14px;
  border-color: rgba(218, 179, 130, 0.55);
}
.story__portrait-cap {
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--font-display);
  color: var(--paper);
  font-size: 1.1rem;
  font-weight: 500;
}
.story__portrait-cap em {
  background: linear-gradient(135deg, var(--copper-bright) 0%, var(--copper-glow) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  margin-left: 0.2em;
}
.story__portrait-role {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: rgba(var(--paper-rgb), 0.7);
}

.story__text { margin-top: var(--space-3); }
.story__text p { color: var(--color-text-muted); max-width: none; }
.story__text p + p { margin-top: var(--space-2); }
.story__text strong { color: var(--ink); font-weight: 600; }

/* Credential badge grid */
.story__badges {
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-1);
}
@media (min-width: 540px) {
  .story__badges { grid-template-columns: repeat(4, 1fr); }
}
.story__badge {
  padding: var(--space-2) var(--space-2);
  background: var(--paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform var(--dur-base) var(--ease-glide),
              border-color var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.story__badge::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-bronze);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-glide);
}
.story__badge:hover {
  transform: translateY(-2px);
  border-color: var(--bronze);
  background: var(--paper-cream);
}
.story__badge:hover::before { transform: scaleX(1); }
.story__badge:nth-child(1)::before { background: var(--grad-sunset); }
.story__badge:nth-child(2)::before { background: var(--grad-bronze); }
.story__badge:nth-child(3)::before { background: var(--grad-aurora); }
.story__badge:nth-child(4)::before { background: var(--grad-teal); }

.story__badge-num {
  font-family: var(--font-num);
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--ink);
  font-variation-settings: "opsz" 144, "SOFT" 30;
  font-feature-settings: "tnum", "lnum";
  letter-spacing: -0.01em;
  line-height: 1;
}
.story__badge-num small {
  font-size: 0.6em;
  color: var(--color-text-soft);
  font-weight: 400;
  margin-left: 1px;
}
.story__badge-label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-text-soft);
  line-height: 1.2;
}

.story__cta {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ── Case Cards ───────────────────────────────────────────────────────── */
.cases {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .cases { grid-template-columns: repeat(3, 1fr); }
}
.case-card {
  background: var(--paper);
  background-image: var(--grad-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-base) var(--ease-glide),
              border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-glide);
  position: relative;
  overflow: hidden;
}
.case-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-bronze);
  opacity: 0;                              /* hidden by default — only on hover */
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-glide),
              opacity var(--dur-base) var(--ease-out);
}
.case-card:hover::before { opacity: 1; }
.case-card:hover {
  border-color: var(--bronze);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card), 0 16px 32px -16px rgba(var(--copper-rgb), 0.25);
}
.case-card:hover::before { transform: scaleX(1); }
.case-card:hover .case-card__metric-num {
  background: var(--grad-bronze);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.case-card__metric-num { transition: all var(--dur-base) var(--ease-out); }
.case-card__industry {
  color: var(--sage);
  margin-bottom: var(--space-2);
}
.cases > .case-card:nth-child(1) .case-card__industry { color: var(--coral-deep); }
.cases > .case-card:nth-child(2) .case-card__industry { color: var(--teal-deep); }
.cases > .case-card:nth-child(3) .case-card__industry { color: var(--bronze-deep); }
.cases > .case-card:nth-child(1)::before { background: var(--grad-sunset); }
.cases > .case-card:nth-child(2)::before { background: var(--grad-aurora); }
.cases > .case-card:nth-child(3)::before { background: var(--grad-bronze); }
.cases > .case-card:nth-child(1):hover .case-card__metric-num { background: var(--grad-sunset); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cases > .case-card:nth-child(2):hover .case-card__metric-num { background: var(--grad-aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cases > .case-card:nth-child(3):hover .case-card__metric-num { background: var(--grad-bronze); -webkit-background-clip: text; background-clip: text; color: transparent; }
.case-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: var(--space-2);
}
.case-card__body {
  color: var(--color-text-muted);
  flex: 1;
  font-size: 0.95rem;
}
.case-card__metric {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.case-card__metric-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--bronze);
  line-height: 1;
}
.case-card__metric-label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-text-soft);
}

/* ── Testimonials ─────────────────────────────────────────────────────── */
.testimonials {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .testimonials { grid-template-columns: repeat(3, 1fr); }
}
.testimonials > .testimonial:nth-child(1) { border-image: var(--grad-coral) 1; }
.testimonials > .testimonial:nth-child(1) .testimonial__cite { color: var(--coral-deep); }
.testimonials > .testimonial:nth-child(1)::before { color: var(--coral); }
.testimonials > .testimonial:nth-child(2) { border-image: var(--grad-teal) 1; }
.testimonials > .testimonial:nth-child(2) .testimonial__cite { color: var(--teal-deep); }
.testimonials > .testimonial:nth-child(2)::before { color: var(--teal); }
.testimonials > .testimonial:nth-child(3) { border-image: var(--grad-bronze) 1; }
.testimonials > .testimonial:nth-child(3) .testimonial__cite { color: var(--bronze-deep); }
.testimonials > .testimonial:nth-child(3)::before { color: var(--copper-glow); }
.testimonial {
  padding: var(--space-4);
  border-left: 2px solid transparent;
  border-image: var(--grad-bronze) 1;
  position: relative;
  transition: transform var(--dur-base) var(--ease-glide);
}

/* Draft state: visible "TODO" badge for un-authorized testimonials */
.testimonial--draft {
  border-image: none;
  border-left: 2px dashed rgba(var(--ink-rgb), 0.18);
  opacity: 0.92;
}
.testimonial--draft .testimonial__quote {
  color: var(--ink-90);
  font-style: italic;
}
.testimonial__badge {
  position: absolute;
  top: var(--space-1);
  right: var(--space-1);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--coral-deep);
  padding: 4px 10px;
  background: rgba(var(--coral-rgb), 0.08);
  border: 1px solid rgba(var(--coral-rgb), 0.25);
  border-radius: var(--radius-pill);
}

.testimonial__cite {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: var(--space-2);
}
.testimonial__cite strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  font-style: normal;
}
.testimonial__cite span {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--bronze);
}

.testimonial__note {
  margin-top: var(--space-4);
  text-align: center;
  color: var(--color-text-soft);
  font-size: 0.85rem;
  line-height: 1.6;
}
.testimonial__note code {
  font-size: 0.85em;
  background: var(--paper-warm);
  padding: 0.1em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--bronze-deep);
}
.testimonial::before {
  content: "「";
  position: absolute;
  top: -10px; left: var(--space-3);
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: var(--copper-glow);
  opacity: 0.25;
  pointer-events: none;
}
.testimonial:hover { transform: translateY(-3px); }
.testimonial__quote {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.45;
  font-style: italic;
  color: var(--ink-90);
}
.testimonial__cite {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--bronze);
}

/* ── FAQ ──────────────────────────────────────────────────────────────── */
.faq {
  display: grid;
  gap: var(--space-1);
  max-width: 880px;
  margin: 0 auto;
}
.faq__item {
  border-bottom: 1px solid var(--color-border);
}
.faq__q {
  width: 100%;
  text-align: left;
  padding: var(--space-3) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
  transition: color var(--dur-base) var(--ease-out),
              padding-left var(--dur-base) var(--ease-glide);
  position: relative;
}
.faq__q::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 0;
  background: var(--grad-bronze);
  transition: height var(--dur-base) var(--ease-glide);
  border-radius: 2px;
}
.faq__q:hover {
  color: var(--bronze);
  padding-left: 8px;
}
.faq__q:hover::before { height: 60%; }
.faq__item.is-open .faq__q { color: var(--bronze); }
.faq__item.is-open .faq__q::before { height: 70%; }
.faq__q-icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--bronze);
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-spring),
              color var(--dur-base) var(--ease-out);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(var(--copper-rgb), 0.08);
}
.faq__item.is-open .faq__q-icon {
  transform: rotate(45deg);
  background: var(--grad-bronze);
  color: var(--paper);
}
.faq__a {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-emph) var(--ease-out);
}
.faq__item.is-open .faq__a { max-height: 600px; }
.faq__a-inner {
  padding: 0 0 var(--space-3) 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: var(--lh-normal);
  max-width: 70ch;
}

/* ── Final CTA ────────────────────────────────────────────────────────── */
.final-cta {
  text-align: center;
  padding-block: var(--space-9);
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(var(--copper-rgb), 0.26), transparent 60%),
    radial-gradient(ellipse 50% 70% at 20% 100%, rgba(var(--teal-rgb), 0.22), transparent 60%),
    radial-gradient(ellipse 45% 65% at 80% 100%, rgba(var(--coral-rgb), 0.20), transparent 60%),
    radial-gradient(circle at 50% 50%, rgba(var(--bronze-rgb), 0.10), transparent 50%);
  pointer-events: none;
  animation: cta-pulse 8s ease-in-out infinite alternate;
}
@keyframes cta-pulse {
  from { transform: scale(1); opacity: 0.85; }
  to   { transform: scale(1.08); opacity: 1; }
}
.final-cta__inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding-inline: var(--outer-m);
}
.final-cta h2 {
  color: var(--paper);
  font-family: var(--font-display);
  font-size: var(--fs-display-2);
  font-weight: 400;
  letter-spacing: var(--tracking-display);
}
.final-cta h2 .em { color: var(--bronze-light); font-style: italic; }
.final-cta__sub {
  margin-top: var(--space-3);
  color: rgba(var(--paper-rgb), 0.75);
  font-size: var(--fs-body-lg);
}
.final-cta__list {
  margin: var(--space-4) auto;
  max-width: 480px;
  text-align: left;
  display: grid;
  gap: var(--space-2);
}
.final-cta__list li {
  padding-left: 1.5em;
  position: relative;
  color: rgba(var(--paper-rgb), 0.85);
}
.final-cta__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--bronze-light);
}
.final-cta__buttons {
  margin-top: var(--space-5);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Footer ───────────────────────────────────────────────────────────── */
.footer {
  background: var(--ink);
  color: var(--paper);
  padding-block: var(--space-6) var(--space-4);
  position: relative;
  overflow: hidden;
}
/* Top edge: 1px multi-stop gradient — teal anchors the cool side */
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--teal) 18%,
    var(--bronze) 55%,
    var(--coral) 82%,
    transparent 100%);
  opacity: 0.5;
}
/* Ambient corner glow — slow breathing */
.footer::after {
  content: "";
  position: absolute;
  pointer-events: none;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 0% 0%, rgba(var(--teal-rgb), 0.16), transparent 55%),
    radial-gradient(ellipse 40% 50% at 100% 100%, rgba(var(--coral-rgb), 0.10), transparent 55%);
  animation: footer-breathe 14s ease-in-out infinite alternate;
}
@keyframes footer-breathe {
  from { opacity: 0.7; transform: translateY(0); }
  to   { opacity: 1;   transform: translateY(-4px); }
}
.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--outer-m);
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .footer__inner { padding-inline: var(--outer-d); }
}
.footer__grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; }
}
.footer__brand-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: var(--tracking-display);
}
.footer__brand-name .em {
  color: var(--teal-light);
  display: inline-block;
  position: relative;
  transition: color var(--dur-base) var(--ease-out),
              text-shadow var(--dur-base) var(--ease-out);
  text-shadow: 0 0 0 rgba(var(--teal-rgb), 0);
  animation: footer-dot-glow 4s ease-in-out infinite;
}
@keyframes footer-dot-glow {
  0%, 100% { text-shadow: 0 0 0  rgba(var(--teal-rgb), 0); }
  50%      { text-shadow: 0 0 14px rgba(var(--teal-rgb), 0.55); }
}
.footer__brand-name:hover .em {
  color: var(--coral-light);
  text-shadow: 0 0 16px rgba(var(--coral-rgb), 0.6);
}
.footer__brand-tag {
  margin-top: var(--space-2);
  color: rgba(var(--paper-rgb), 0.78);
  font-size: 0.95rem;
  max-width: 32ch;
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--teal-light);
  margin-bottom: var(--space-2);
  font-weight: 500;
  position: relative;
  padding-bottom: 0.5em;
}
.footer h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 24px; height: 1px;
  background: linear-gradient(to right, var(--teal-light), transparent);
  transition: width var(--dur-base) var(--ease-glide);
}
.footer h4:hover::after { width: 56px; }

.footer__list { display: grid; gap: var(--space-1); }
.footer__list a {
  color: rgba(var(--paper-rgb), 0.72);
  font-size: 0.95rem;
  transition: color var(--dur-base) var(--ease-out),
              padding-left var(--dur-base) var(--ease-glide);
  position: relative;
  display: inline-block;
}
.footer__list a::before {
  content: "→";
  position: absolute;
  left: -1.2em;
  opacity: 0;
  color: var(--teal-light);
  transform: translateX(-4px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-spring);
}
.footer__list a:hover {
  color: var(--teal-light);
  padding-left: 8px;
}
.footer__list a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer__meta {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: 1px solid transparent;
  background-image: linear-gradient(90deg,
    rgba(var(--teal-rgb), 0.32) 0%,
    rgba(var(--paper-rgb), 0.12) 50%,
    rgba(var(--coral-rgb), 0.24) 100%);
  background-position: 0 0;
  background-size: 100% 1px;
  background-repeat: no-repeat;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: rgba(var(--paper-rgb), 0.55);
}
.footer__meta a {
  color: rgba(var(--paper-rgb), 0.65);
  transition: color var(--dur-base) var(--ease-out);
}
.footer__meta a:hover { color: var(--teal-light); }

/* ── Newsletter ──────────────────────────────────────────────────────── */
.newsletter {
  background: var(--ink);
  color: var(--paper);
  padding-block: var(--space-7);
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(var(--paper-rgb), 0.05);
}
.newsletter::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 0% 50%, rgba(var(--copper-rgb), 0.16), transparent 60%),
    radial-gradient(ellipse 45% 70% at 100% 50%, rgba(var(--teal-rgb), 0.14), transparent 60%);
  pointer-events: none;
}
.newsletter__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--outer-m);
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 768px) {
  .newsletter__inner {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-7);
    padding-inline: var(--outer-d);
  }
}
.newsletter__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: var(--tracking-display);
  color: var(--paper);
  margin-top: var(--space-2);
  max-width: 24ch;
}
.newsletter__title em {
  background: linear-gradient(135deg, var(--copper-bright) 0%, var(--copper-glow) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  display: inline-block;
  padding-bottom: 0.12em;
  margin-bottom: -0.12em;
}
.newsletter__lead {
  margin-top: var(--space-2);
  color: rgba(var(--paper-rgb), 0.7);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 42ch;
}
.newsletter__form {
  display: grid;
  gap: var(--space-2);
}
.newsletter__form input[type="email"] {
  width: 100%;
  padding: 1em 1.2em;
  background: rgba(var(--paper-rgb), 0.06);
  border: 1px solid rgba(var(--paper-rgb), 0.2);
  border-radius: var(--radius);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 1rem;
  transition: all var(--dur-base) var(--ease-out);
}
.newsletter__form input[type="email"]::placeholder {
  color: rgba(var(--paper-rgb), 0.4);
}
.newsletter__form input[type="email"]:focus {
  outline: none;
  background: rgba(var(--paper-rgb), 0.10);
  border-color: var(--copper-glow);
  box-shadow: 0 0 0 3px rgba(var(--copper-rgb), 0.15);
}
.newsletter__form .btn { justify-content: center; }
.newsletter__hint {
  font-size: 0.85rem;
  color: rgba(var(--paper-rgb), 0.45);
  margin-top: var(--space-1);
}

/* ── Back-to-top button ────────────────────────────────────────────────
   Fixed bottom-right, fade in after 600px scroll
─────────────────────────────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  z-index: var(--z-overlay);
  right: var(--space-3);
  bottom: var(--space-3);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--color-border-strong);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px) scale(0.85);
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-glide),
              transform var(--dur-base) var(--ease-spring),
              background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
  box-shadow: var(--shadow-md);
}
.back-to-top svg { transition: transform var(--dur-base) var(--ease-spring); }
.back-to-top.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--ink);
  color: var(--copper-bright);
  border-color: var(--ink);
  box-shadow: var(--shadow-md), 0 0 16px rgba(var(--copper-rgb), 0.32);
}
.back-to-top:hover svg { transform: translateY(-2px); }
.back-to-top:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
}
/* On mobile, position above floating CTA stack */
@media (max-width: 1023px) {
  .back-to-top {
    right: var(--space-2);
    bottom: calc(var(--space-2) + 200px); /* above 3 stacked float-cta__btn */
  }
}
/* When mobile nav is open, hide back-to-top to avoid layered confusion */
html.nav-open .back-to-top { opacity: 0 !important; pointer-events: none !important; }

/* ── Floating mobile CTA ──────────────────────────────────────────────── */
.float-cta {
  position: fixed;
  z-index: var(--z-overlay);
  right: var(--space-2);
  bottom: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.float-cta__btn {
  width: 48px; height: 48px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(var(--teal-rgb), 0.45);
  transition: transform var(--dur-base) var(--ease-spring),
              background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  animation: float-pulse 3.2s ease-out infinite;
}
@keyframes float-pulse {
  0%   { box-shadow: var(--shadow-md), 0 0 0 0   rgba(var(--teal-rgb), 0.45); }
  60%  { box-shadow: var(--shadow-md), 0 0 0 14px rgba(var(--teal-rgb), 0); }
  100% { box-shadow: var(--shadow-md), 0 0 0 0   rgba(var(--teal-rgb), 0); }
}
.float-cta__btn:nth-child(2) {
  animation-delay: 0.8s;
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(var(--coral-rgb), 0.45);
}
.float-cta__btn:nth-child(2) { animation-name: float-pulse-coral; }
.float-cta__btn:nth-child(3) {
  animation-delay: 1.6s;
  background: var(--bronze);
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(var(--copper-rgb), 0.45);
  animation-name: float-pulse-copper;
}
@keyframes float-pulse-coral {
  0%   { box-shadow: var(--shadow-md), 0 0 0 0   rgba(var(--coral-rgb), 0.45); }
  60%  { box-shadow: var(--shadow-md), 0 0 0 14px rgba(var(--coral-rgb), 0); }
  100% { box-shadow: var(--shadow-md), 0 0 0 0   rgba(var(--coral-rgb), 0); }
}
@keyframes float-pulse-copper {
  0%   { box-shadow: var(--shadow-md), 0 0 0 0   rgba(var(--copper-rgb), 0.45); }
  60%  { box-shadow: var(--shadow-md), 0 0 0 14px rgba(var(--copper-rgb), 0); }
  100% { box-shadow: var(--shadow-md), 0 0 0 0   rgba(var(--copper-rgb), 0); }
}
.float-cta__btn:hover {
  background: var(--teal-deep);
  transform: scale(1.12) translateY(-2px);
  animation: none;
  box-shadow: var(--shadow-md), 0 8px 24px rgba(var(--teal-rgb), 0.35);
}
@media (min-width: 1024px) {
  .float-cta { display: none; }
}