/* ============================================================
   Fatty Liver — Editorial Medical Redesign
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,500;0,9..144,700;0,9..144,900;1,9..144,700&family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@500;600&display=swap');

/* ── Tokens ── */
:root {
  /* Warm crimson editorial palette */
  --crimson-950: #2a0808;
  --crimson-900: #4a0e0e;
  --crimson-800: #7a1818;
  --crimson-700: #a52020;
  --crimson-600: #c8302d;
  --crimson-500: #de4a3a;
  --crimson-400: #ea7460;
  --crimson-300: #f4a899;
  --crimson-100: #fbe2dc;
  --crimson-50:  #fdf3ef;

  /* Warm neutrals (ivory/paper) */
  --paper:       #faf6f0;
  --paper-tint:  #f3ece1;
  --paper-deep:  #ebe2d3;
  --ink-950:     #16110d;
  --ink-900:     #1f1814;
  --ink-800:     #2d231d;
  --ink-700:     #4a3d34;
  --ink-600:     #6b5b4f;
  --ink-500:     #8a7a6c;
  --ink-400:     #a89687;
  --ink-300:     #c4b5a6;
  --ink-200:     #e0d5c4;
  --ink-100:     #ede4d4;

  /* Accent gold (editorial) */
  --gold-700: #a16b1f;
  --gold-600: #c2862c;
  --gold-500: #d9a44a;
  --gold-100: #fbeccc;

  /* Sage (success/noninvasive) */
  --sage-700: #3f6b4a;
  --sage-500: #6a9b73;
  --sage-100: #d8e7d6;

  --white: #ffffff;

  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Fraunces', 'Times New Roman', Georgia, serif;
  --font-mono:    'JetBrains Mono', monospace;

  --max-w: 1180px;
  --max-w-narrow: 780px;
  --r-sm:  8px;
  --r-md:  16px;
  --r-lg:  24px;
  --r-xl:  36px;

  --ease:      0.3s cubic-bezier(.4,0,.2,1);
  --ease-slow: 0.6s cubic-bezier(.22,1,.36,1);
  --ease-spring: 0.5s cubic-bezier(.34,1.56,.64,1);

  --shadow-xs:  0 1px 2px rgba(31,24,20,.05);
  --shadow-sm:  0 2px 8px rgba(31,24,20,.06), 0 1px 2px rgba(31,24,20,.04);
  --shadow-md:  0 8px 28px rgba(31,24,20,.08), 0 2px 8px rgba(31,24,20,.05);
  --shadow-lg:  0 24px 60px rgba(31,24,20,.14), 0 6px 16px rgba(31,24,20,.06);
  --shadow-xl:  0 40px 100px rgba(31,24,20,.18);
  --shadow-crimson: 0 10px 30px -8px rgba(200,48,45,.45);
  --shadow-glow:    0 0 60px rgba(222,74,58,.25);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-800);
  background: var(--paper);
  overflow-x: hidden;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle paper grain over entire site */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .35;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .1 0 0 0 0 .07 0 0 0 0 .05 0 0 0 .12 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
}

img { max-width: 100%; height: auto; display: block; }
ul, ol { padding-left: 1.5rem; }
a { color: var(--crimson-700); text-decoration: none; transition: color var(--ease); }
a:hover { color: var(--crimson-900); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink-950);
  letter-spacing: -0.02em;
  font-optical-sizing: auto;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); font-weight: 900; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; }
h3 { font-size: 1.3rem; font-weight: 700; }
h4 { font-size: 1rem; font-family: var(--font-body); font-weight: 700; letter-spacing: -0.005em; color: var(--ink-900); }
p  { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
strong { color: var(--ink-950); font-weight: 600; }

.text-accent {
  font-style: italic;
  color: var(--crimson-700);
  font-weight: 700;
}
.text-accent--bright { color: var(--crimson-400); }

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.75rem;
  position: relative;
}
.section {
  padding: 7rem 0;
  position: relative;
  z-index: 2;
}
.section--alt { background: var(--paper-tint); }
.section--dark { background: var(--ink-950); color: var(--ink-300); }

.section__bg-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 600px 400px at 90% 10%, rgba(200,48,45,.06), transparent),
    radial-gradient(ellipse 500px 400px at 5% 90%, rgba(217,164,74,.05), transparent);
  z-index: 0;
}

/* ── Scroll progress bar ── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 300;
  background: transparent;
  pointer-events: none;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--crimson-600), var(--crimson-400), var(--gold-500));
  box-shadow: 0 0 12px rgba(222,74,58,.6);
  transition: width 0.05s linear;
}

/* ── Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--ease-slow), transform var(--ease-slow);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
.reveal-delay-4 { transition-delay: .32s; }

/* ── Section header ── */
.section__header {
  max-width: var(--max-w-narrow);
  margin: 0 auto 4rem;
  text-align: center;
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--crimson-700);
  background: var(--crimson-50);
  border: 1px solid var(--crimson-100);
  padding: .42rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.section__eyebrow-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  color: var(--crimson-600);
  font-size: .85rem;
  letter-spacing: 0;
}
.section__eyebrow--dark {
  color: var(--crimson-300);
  background: rgba(222,74,58,.1);
  border-color: rgba(222,74,58,.18);
}
.section__eyebrow--dark .section__eyebrow-num { color: var(--crimson-400); }

.section__title { margin-bottom: 1rem; }
.section--dark .section__title { color: var(--white); }

.section__lead {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--ink-700);
  max-width: 680px;
  margin: 1.5rem auto 0;
  line-height: 1.7;
}
.section__lead--dark { color: var(--ink-300); }
.section__sub {
  font-size: 1rem;
  color: var(--ink-600);
  max-width: 680px;
  margin: 1.25rem auto 0;
}

.divider {
  width: 60px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--crimson-600), var(--gold-500));
  margin: 1.25rem auto 0;
}
.divider--dark { background: linear-gradient(90deg, var(--crimson-400), var(--gold-500)); }

/* ── Grid ── */
.grid-2, .grid-3 { display: grid; gap: 1.75rem; grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ── NAV ── */
header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(250, 246, 240, .82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(31, 24, 20, .07);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 1rem 1.75rem;
  gap: 1rem;
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ink-950);
  display: flex;
  align-items: center;
  gap: .65rem;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.nav__brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--crimson-600), var(--crimson-800));
  color: var(--white);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-crimson);
}
.nav__brand-icon svg { width: 18px; height: 18px; }

.nav__links {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: .15rem;
  align-items: center;
}

.nav__link {
  position: relative;
  display: inline-block;
  color: var(--ink-700);
  text-decoration: none;
  padding: .5rem .9rem;
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: color var(--ease), background var(--ease);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  width: calc(100% - 1.8rem);
  height: 2px;
  background: var(--crimson-600);
  border-radius: 2px;
  transition: transform var(--ease);
}
.nav__link:hover, .nav__link:focus {
  color: var(--ink-950);
  outline: none;
}
.nav__link:hover::after { transform: translateX(-50%) scaleX(1); }
.nav__link--active {
  color: var(--crimson-700);
  background: var(--crimson-50);
}
.nav__link--active::after { transform: translateX(-50%) scaleX(1); }

.nav__toggle-input { display: none; }
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px; height: 18px;
  cursor: pointer;
  flex-shrink: 0;
}
.nav__hamburger span {
  display: block;
  height: 2px; width: 100%;
  background: var(--ink-900);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}

@media (max-width: 880px) {
  .nav__hamburger { display: flex; }
  .nav__links {
    display: none;
    flex-direction: column;
    width: 100%;
    padding: .75rem 0 1rem;
    gap: .15rem;
    border-top: 1px solid rgba(31,24,20,.07);
    margin-top: .75rem;
    align-items: stretch;
  }
  #nav-toggle:checked ~ .nav__links { display: flex; }
  #nav-toggle:checked ~ .nav__hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  #nav-toggle:checked ~ .nav__hamburger span:nth-child(2) { opacity: 0; }
  #nav-toggle:checked ~ .nav__hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .nav__link { padding: .75rem 1rem; border-radius: 8px; font-size: .95rem; }
  .nav__link::after { display: none; }
}

/* ── HERO ── */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  padding: 0;
  background: var(--ink-950);
  color: var(--white);
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(200,48,45,.18), transparent 60%),
    radial-gradient(ellipse 60% 60% at 100% 100%, rgba(74,14,14,.6), transparent 70%),
    linear-gradient(180deg, var(--ink-950) 0%, #0d0907 100%);
  z-index: 1;
}

.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 90%);
}

.hero__grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: .4;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .15 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  z-index: 2;
  pointer-events: none;
  animation: orbFloat 12s ease-in-out infinite alternate;
  opacity: .55;
}
.hero__orb--1 { width: 520px; height: 520px; background: radial-gradient(circle, var(--crimson-600), transparent 70%); top: -15%; left: -8%; }
.hero__orb--2 { width: 380px; height: 380px; background: radial-gradient(circle, var(--crimson-800), transparent 70%); bottom: -10%; left: 30%; animation-delay: -4s; }
.hero__orb--3 { width: 320px; height: 320px; background: radial-gradient(circle, var(--gold-700), transparent 70%); top: 20%; right: -5%; animation-delay: -8s; opacity: .35; }

@keyframes orbFloat {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(30px,20px) scale(1.1); }
}

.hero__inner {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 7rem 1.75rem 6rem;
  gap: 4rem;
}

.hero__content { min-width: 0; }

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.88);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .45rem 1.1rem;
  border-radius: 999px;
  margin-bottom: 2rem;
  backdrop-filter: blur(8px);
  animation: fadeUp .8s ease both;
}
.hero__tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--crimson-400);
  box-shadow: 0 0 10px var(--crimson-400);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .5; transform: scale(1.3); }
}

#hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 40px rgba(0,0,0,.4);
  animation: fadeUp .9s .12s ease both;
}
.hero__title-line {
  display: block;
  background: linear-gradient(180deg, #fff 30%, rgba(255,255,255,.7) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
#hero h1 em {
  display: block;
  font-style: italic;
  color: var(--crimson-300);
  font-size: .42em;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-top: .8rem;
  font-family: var(--font-display);
  text-shadow: none;
}

.hero__lead {
  color: rgba(255,255,255,.72);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
  animation: fadeUp .9s .25s ease both;
}

.hero__actions {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fadeUp .9s .38s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

/* Hero stats inline */
.hero__stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.1);
  animation: fadeUp .9s .52s ease both;
}
.hero__stat-divider {
  width: 1px;
  height: 32px;
  background: rgba(255,255,255,.1);
}
.hero__stat { text-align: left; }
.hero__stat-num {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2rem;
  font-weight: 800;
  color: var(--crimson-400);
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero__stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-top: .5rem;
}

/* Hero poster */
.hero__poster-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeUp 1s .4s ease both;
}

.hero__poster-wrap::before {
  content: '';
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse at center, rgba(200,48,45,.35) 0%, transparent 65%);
  z-index: 0;
  filter: blur(20px);
}

.hero__poster-frame {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 3 / 4.3;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 5px solid rgba(255,255,255,.12);
  box-shadow:
    0 40px 100px rgba(0,0,0,.6),
    0 0 0 1px rgba(255,255,255,.06),
    inset 0 1px 0 rgba(255,255,255,.1);
  animation: heroFloat 2s ease-in-out infinite alternate;
}

@keyframes heroFloat {
  from { transform: translateY(0) rotate(-1deg); }
  to   { transform: translateY(-12px) rotate(1deg); }
}

.hero__poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__poster-badge {
  position: absolute;
  top: 1.25rem; left: 1.25rem;
  z-index: 3;
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(10px);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .35rem .7rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
}

.hero__poster-fallback {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: rgba(255,255,255,.35);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
}
.hero__poster-fallback svg { width: 80px; height: 80px; }
.hero__poster-frame--empty .hero__poster-fallback { display: flex; }

@media (max-width: 880px) {
  .hero__inner {
    grid-template-columns: 1fr;
    padding: 6rem 1.5rem 5rem;
    gap: 3rem;
    text-align: center;
  }
  .hero__content { text-align: center; }
  .hero__lead { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__poster-wrap { order: -1; max-width: 320px; margin: 0 auto; }
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: rgba(255,255,255,.45);
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  text-decoration: none;
  animation: scrollBounce 2.5s ease-in-out infinite;
}
.hero__scroll:hover { color: var(--white); }
.hero__scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,.5));
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: .45; }
  50%      { transform: translateX(-50%) translateY(8px); opacity: .8; }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .9rem 1.8rem;
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--ease);
  cursor: pointer;
  border: none;
  letter-spacing: -0.005em;
  font-family: inherit;
}

.btn--primary {
  background: linear-gradient(135deg, var(--crimson-600), var(--crimson-800));
  color: var(--white);
  box-shadow: var(--shadow-crimson), inset 0 1px 0 rgba(255,255,255,.15);
}
.btn--primary:hover, .btn--primary:focus {
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -8px rgba(200,48,45,.6), inset 0 1px 0 rgba(255,255,255,.2);
}
.btn--primary svg { transition: transform var(--ease); }
.btn--primary:hover svg { transform: translateX(3px); }

.btn--ghost {
  background: rgba(255,255,255,.06);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover, .btn--ghost:focus {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.3);
  color: var(--white);
  transform: translateY(-2px);
}

/* ── CARDS ── */
.card {
  position: relative;
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--ink-100);
  transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease);
  overflow: hidden;
  isolation: isolate;
}

/* Cards with background image + ivory overlay (keeps dark text legible) */
.card--bg {
  background: var(--paper);
  border-color: rgba(31,24,20,.08);
}

/* Background image layer — absolute positioned to fill entire card */
.card--bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--card-bg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

/* Gradient overlay on top of image */
.card--bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(250,246,240,.94) 0%, rgba(250,246,240,.88) 55%, rgba(243,236,225,.82) 100%);
  pointer-events: none;
  z-index: 1;
  transition: background var(--ease);
}

.card--bg > * { position: relative; z-index: 2; }

.card--bg:hover::before {
  background: linear-gradient(155deg, rgba(250,246,240,.88) 0%, rgba(250,246,240,.78) 55%, rgba(243,236,225,.72) 100%);
}

/* Dark overlay variant — for cards that already use light text (e.g. featured) */
.card--bg.card--bg-dark {
  background: var(--ink-950);
}

.card--bg.card--bg-dark::before {
  background: linear-gradient(155deg, rgba(22,17,13,.86) 0%, rgba(22,17,13,.78) 55%, rgba(74,14,14,.72) 100%);
}

.card--bg.card--bg-dark:hover::before {
  background: linear-gradient(155deg, rgba(22,17,13,.78) 0%, rgba(22,17,13,.7) 55%, rgba(74,14,14,.62) 100%);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--crimson-100);
}

.card__title {
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--ink-950);
  margin-bottom: .4rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
  letter-spacing: -0.02em;
}
.card__subtitle {
  font-size: .82rem;
  color: var(--ink-500);
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-bottom: 1rem;
  font-style: italic;
  font-family: var(--font-display);
}
.card__body {
  font-size: .95rem;
  color: var(--ink-700);
  line-height: 1.7;
}

/* Editorial cards (definisi) */
.card--editorial {
  padding: 2.5rem 2rem;
}
.card--editorial .card__num {
  position: absolute;
  top: 1.25rem; right: 1.5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2rem;
  font-weight: 900;
  color: var(--paper-deep);
  line-height: 1;
  z-index: 0;
  transition: color var(--ease), transform var(--ease);
}
.card--editorial:hover .card__num {
  color: var(--crimson-100);
  transform: rotate(-6deg);
}
.card--editorial > * { position: relative; z-index: 1; }

.card--editorial .card__accent {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--crimson-600), var(--crimson-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease-slow);
}
.card--editorial:hover .card__accent { transform: scaleX(1); }

.card--featured {
  background: linear-gradient(165deg, var(--ink-950), var(--ink-900));
  color: var(--paper);
  border: none;
}
.card--featured .card__title { color: var(--white); }
.card--featured .card__subtitle { color: var(--crimson-300); }
.card--featured .card__body { color: rgba(255,255,255,.72); }
.card--featured .card__num { color: rgba(255,255,255,.07); }
.card--featured:hover .card__num { color: rgba(222,74,58,.3); }

/* Gene cards */
.card--gene .card__gene-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.card__gene-icon {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--crimson-600), var(--crimson-800));
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-crimson);
}
.card__gene-icon svg { width: 28px; height: 28px; }
.card__gene-icon--gold {
  background: linear-gradient(135deg, var(--gold-600), var(--gold-700));
  box-shadow: 0 10px 30px -8px rgba(194,134,44,.45);
}
.card--gene .card__gene-header .card__title {
  font-size: 1.5rem;
  margin-bottom: .15rem;
}
.card--gene .card__gene-header .card__subtitle { margin-bottom: 0; }

/* Treatment cards */
.card--treatment {
  padding: 2rem;
}
.card__treatment-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--crimson-50);
  color: var(--crimson-700);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  border: 1px solid var(--crimson-100);
  transition: transform var(--ease-spring), background var(--ease);
}
.card__treatment-icon svg { width: 24px; height: 24px; }
.card__treatment-icon--gold {
  background: var(--gold-100);
  color: var(--gold-700);
  border-color: rgba(194,134,44,.2);
}
.card__treatment-icon--slate {
  background: var(--ink-100);
  color: var(--ink-700);
  border-color: var(--ink-200);
}
.card--treatment:hover .card__treatment-icon {
  transform: scale(1.08) rotate(-4deg);
}

/* ── Arrow list ── */
.arrow-list {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.arrow-list li {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  font-size: .92rem;
  color: var(--ink-700);
  line-height: 1.6;
}
.arrow-list-secondary li {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  font-size: .92rem;
  color: beige;
  line-height: 1.6;
}
.arrow-list li::before {
  content: '→';
  color: var(--crimson-600);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: .1rem;
  transition: transform var(--ease);
}
.arrow-list li:hover::before { transform: translateX(3px); }

/* Check list */
.check-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .5rem; margin: .75rem 0 1.25rem; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  font-size: .92rem;
  color: var(--ink-700);
  line-height: 1.6;
}
.check-list li::before {
  content: '';
  flex-shrink: 0;
  width: 18px; height: 18px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--crimson-50) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c8302d' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'><path d='M20 6 9 17l-5-5'/></svg>") center / 12px no-repeat;
  border: 1px solid var(--crimson-100);
}

/* ── Mechanism list ── */
.mechanism-list {
  list-style: none;
  padding: 0;
  counter-reset: mech;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0 auto 2rem;
  max-width: 880px;
}
@media (min-width: 720px) {
  .mechanism-list { grid-template-columns: repeat(2, 1fr); }
}

.mechanism-list li {
  counter-increment: mech;
  position: relative;
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--r-md);
  padding: 1.5rem 1.5rem 1.5rem 4.5rem;
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease);
}
.mechanism-list li::before {
  content: counter(mech, decimal-leading-zero);
  position: absolute;
  top: 1.4rem;
  left: 1.4rem;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--crimson-600);
  line-height: 1;
}
.mechanism-list li:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--crimson-100);
}
.mechanism-list__content h4 { margin-bottom: .35rem; font-size: 1rem; }
.mechanism-list__content p { font-size: .9rem; color: var(--ink-600); margin: 0; line-height: 1.6; }

.prose {
  max-width: var(--max-w-narrow);
  margin: 2.5rem auto 0;
  font-size: 1.02rem;
  color: var(--ink-700);
  line-height: 1.8;
}
.prose p { margin-bottom: 1.25rem; }

/* ── Info box ── */
.info-box {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: linear-gradient(135deg, var(--crimson-50), var(--paper));
  border: 1px solid var(--crimson-100);
  border-radius: var(--r-md);
  padding: 1.25rem 1.5rem;
  margin: 2rem auto;
  max-width: var(--max-w-narrow);
  font-size: .95rem;
  color: var(--ink-800);
  box-shadow: var(--shadow-xs);
}
.info-box__icon {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--crimson-600);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
}
.info-box__icon svg { width: 18px; height: 18px; }
.info-box strong { display: block; font-family: var(--font-display); font-style: italic; font-size: 1.05rem; color: var(--ink-950); margin-bottom: .35rem; font-weight: 700; }
.info-box p { font-size: .92rem; color: var(--ink-700); margin: 0; line-height: 1.6; }

.info-box--feature {
  background: linear-gradient(135deg, var(--ink-950), var(--ink-900));
  color: var(--paper);
  border: none;
  max-width: 100%;
  margin-bottom: 3rem;
}
.info-box--feature strong { color: var(--white); }
.info-box--feature p { color: rgba(255,255,255,.75); }
.info-box--feature .info-box__icon {
  background: linear-gradient(135deg, var(--crimson-500), var(--crimson-700));
}

.info-box--accent { max-width: 100%; margin-top: 3rem; }
.info-box--inline { margin: 1rem 0 0; padding: .9rem 1.1rem; font-size: .88rem; max-width: 100%; }
.info-box--inline > div { color: var(--ink-700); }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .25rem .7rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.badge--red { background: var(--crimson-100); color: var(--crimson-800); }

/* ── Figure / lightbox trigger ── */
.figure-frame {
  margin: 0 auto;
  max-width: 980px;
  position: relative;
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
}
.figure-frame img {
  border-radius: var(--r-md);
  width: 100%;
  box-shadow: var(--shadow-sm);
}
.figure-frame figcaption {
  margin-top: 1rem;
  padding: 0 .5rem .25rem;
  font-size: .85rem;
  color: var(--ink-600);
  text-align: center;
  font-style: italic;
  font-family: var(--font-display);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .6rem;
  flex-wrap: wrap;
}
.figure-frame__num {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--crimson-700);
  background: var(--crimson-50);
  padding: .25rem .65rem;
  border-radius: 999px;
  border: 1px solid var(--crimson-100);
}

.figure-frame--empty {
  min-height: 280px;
  display: flex; align-items: center; justify-content: center;
}
.figure-frame--empty img { display: none; }
.figure-frame--empty::before {
  content: 'Gambar belum tersedia';
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink-400);
  font-size: 1rem;
}

.lightbox-trigger {
  cursor: zoom-in;
  transition: transform var(--ease);
}
.lightbox-trigger:hover { transform: scale(1.005); }

/* ── Diagnosis cards ── */
.diagnosis-grid { display: grid; gap: 1.75rem; grid-template-columns: 1fr; }
@media (min-width: 820px) { .diagnosis-grid { grid-template-columns: repeat(2, 1fr); } }

.diagnosis-card {
  background: var(--white);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--ink-100);
  transition: box-shadow var(--ease), transform var(--ease);
}
.diagnosis-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.diagnosis-card__header {
  padding: 1.75rem 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--ink-100);
}
.diagnosis-card__header--green {
  background: linear-gradient(135deg, var(--sage-100), #ebf5ea);
}
.diagnosis-card__header--red {
  background: linear-gradient(135deg, var(--crimson-100), var(--crimson-50));
}

.diagnosis-card__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-600);
  margin-bottom: .15rem;
}
.diagnosis-card__header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink-950);
  letter-spacing: -0.02em;
}
.diagnosis-card__icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--white);
}
.diagnosis-card__icon svg { width: 22px; height: 22px; }
.diagnosis-card__icon--green {
  background: linear-gradient(135deg, var(--sage-500), var(--sage-700));
  box-shadow: 0 8px 20px -6px rgba(63,107,74,.45);
}
.diagnosis-card__icon--red {
  background: linear-gradient(135deg, var(--crimson-500), var(--crimson-800));
  box-shadow: var(--shadow-crimson);
}

.diagnosis-card__body { padding: 2rem; }
.diagnosis-card__body > p { font-size: .95rem; color: var(--ink-700); }
.diagnosis-card__subhead {
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--crimson-700);
  margin: 1.5rem 0 .75rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--ink-100);
}
.diagnosis-card__subhead:first-child { margin-top: 0; }

/* ── Sumber dark section ── */
#sumber {
  background: var(--ink-950);
  position: relative;
  overflow: hidden;
}
#sumber::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 80% 20%, rgba(200,48,45,.12), transparent),
    radial-gradient(ellipse 500px 400px at 10% 90%, rgba(217,164,74,.08), transparent);
  pointer-events: none;
}
#sumber .container { position: relative; z-index: 1; }

.source-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: .65rem;
  grid-template-columns: 1fr;
  max-width: 920px;
  margin: 0 auto;
}
@media (min-width: 720px) {
  .source-list { grid-template-columns: repeat(2, 1fr); }
}

.source-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--r-md);
  transition: all var(--ease);
}
.source-list li:hover {
  background: rgba(255,255,255,.06);
  border-color: rgba(222,74,58,.3);
  transform: translateY(-2px);
}

.source-list__num {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--crimson-600), var(--crimson-900));
  color: var(--white);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  margin-top: .1rem;
  box-shadow: 0 4px 12px rgba(200,48,45,.35);
}

.source-list a {
  color: rgba(255,255,255,.85);
  font-size: .88rem;
  line-height: 1.5;
  display: block;
  transition: color var(--ease);
}
.source-list a:hover { color: var(--crimson-300); }
.source-list a b {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: .35rem;
  color: var(--white);
}
.source-list__url {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: rgba(255,255,255,.4);
  word-break: break-all;
  letter-spacing: -0.01em;
}

/* ── Footer ── */
footer {
  background: var(--ink-950);
  border-top: 1px solid rgba(255,255,255,.06);
  color: rgba(255,255,255,.4);
  text-align: center;
  padding: 3rem 1.75rem 2.5rem;
  position: relative;
  z-index: 2;
}
.footer__inner { max-width: var(--max-w); margin-inline: auto; }
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: rgba(255,255,255,.85);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.footer__disclaimer {
  font-size: .85rem;
  max-width: 580px;
  margin: 0 auto 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,.5);
}
.footer__copy {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: rgba(255,255,255,.3);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ── Back to top ── */
.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 200;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--crimson-600), var(--crimson-800));
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-crimson);
  transition: opacity var(--ease), transform var(--ease), box-shadow var(--ease);
  display: flex; align-items: center; justify-content: center;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top:hover, .back-to-top:focus {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -8px rgba(200,48,45,.6);
  outline: none;
}

/* ── Lightbox ── */
.lightbox {
  position: fixed; inset: 0; z-index: 500;
  display: flex; align-items: center; justify-content: center;
  transition: opacity var(--ease);
}
.lightbox__backdrop {
  position: absolute; inset: 0;
  background: rgba(10,8,6,.94);
  cursor: pointer;
  backdrop-filter: blur(12px);
}
.lightbox__content {
  position: relative; z-index: 1;
  max-width: 92vw; max-height: 92vh;
  display: flex; flex-direction: column; align-items: center;
}
.lightbox__img {
  max-width: 92vw; max-height: 82vh;
  object-fit: contain;
  border-radius: var(--r-lg);
  box-shadow: 0 32px 80px rgba(0,0,0,.7);
}
.lightbox__close {
  position: absolute; top: -3.5rem; right: 0;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  color: var(--white);
  font-size: 1.4rem; line-height: 1;
  cursor: pointer;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: background var(--ease), transform var(--ease);
}
.lightbox__close:hover, .lightbox__close:focus {
  background: var(--crimson-700);
  transform: rotate(90deg);
  outline: none;
}

/* ── Hidden ── */
.hidden { opacity: 0; pointer-events: none; transform: translateY(8px); }

/* ── Reduce motion ── */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}