/* ============================================================
   SomaStem — Landing Page (LIGHT)
   Built on the New U Life token base (colors_and_type.css).
   Warm bone surfaces · black headlines · SomaStem oxblood crimson.
   USANA-style: bright, airy, photography-forward, calm.
   ============================================================ */

:root {
  /* SomaStem crimson scale (sampled from the product box: #751618) */
  --soma-deep:     #751618;   /* deep oxblood */
  --soma-crimson:  #9e1b22;   /* primary crimson — brand accent */
  --soma-bright:   #c41e2a;   /* signal red — active states */
  --soma-ember:    #e23b3f;   /* hottest highlight */
  --soma-wine:     #5c1216;   /* darkest */

  /* live theme vars */
  --c-accent:      var(--soma-crimson);
  --c-deep:        var(--soma-deep);
  --c-bright:      var(--soma-bright);
  --c-glow:        rgba(158, 27, 34, .18);
  --c-glow-soft:   rgba(158, 27, 34, .08);

  /* light surfaces */
  --page:    var(--nul-bone);     /* #fbf8f5 warm bone */
  --page-2:  #f3ece6;             /* deeper warm relief */
  --surface: var(--nul-white);
  --tint:    #f6ede9;             /* soft crimson-tinted cream */
  --sky:     var(--nul-sky);      /* #d9edfa */

  /* ink */
  --ink:      var(--nul-black);   /* #0f100f headlines */
  --body:     #3a3b3c;            /* body text */
  --muted:    var(--nul-graphite);/* #656667 secondary */
  --faint:    #9a9698;            /* tertiary / meta */
  --hair:     rgba(15, 16, 15, .10);
  --hair-2:   rgba(15, 16, 15, .06);

  --motion-scale: 1;
  --reveal-dist:  30px;

  --display: "Nunito Sans", "Avenir Next", system-ui, sans-serif;

  /* shadows tinted warm */
  --sh-1: 0 2px 10px -4px rgba(60, 30, 20, .14);
  --sh-2: 0 16px 40px -22px rgba(60, 30, 20, .30);
  --sh-3: 0 34px 70px -30px rgba(60, 30, 20, .34);
  --focus-ring: 0 0 0 3px rgba(117, 22, 24, .18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--page); }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--page);
  color: var(--body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--display);
  color: var(--ink);
  letter-spacing: -0.022em;
  line-height: 1.04;
  margin: 0;
  text-wrap: balance;
}

p { text-wrap: pretty; }

::selection { background: var(--c-accent); color: #fff; }

/* ---------- shared layout ---------- */
.wrap { width: min(1240px, 92vw); margin-inline: auto; }
.narrow { width: min(900px, 92vw); margin-inline: auto; }
.section { position: relative; padding: clamp(80px, 11vh, 150px) 0; }
.section--tight { padding: clamp(56px, 8vh, 96px) 0; }
.section.bone   { background: var(--page); }
.section.white  { background: var(--surface); }
.section.relief { background: var(--page-2); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
}
.eyebrow::before {
  content: "";
  width: 24px; height: 2px;
  background: var(--c-accent);
  display: inline-block;
}
.eyebrow.center { justify-content: center; }

.h-display { font-size: clamp(2.6rem, 6vw, 5.2rem); font-weight: 900; letter-spacing: -0.035em; }
.h-xl   { font-size: clamp(2.1rem, 4.4vw, 3.7rem); font-weight: 900; letter-spacing: -0.03em; color: var(--ink); }
.h-lg   { font-size: clamp(1.7rem, 3vw, 2.7rem);   font-weight: 800; }
.h-md   { font-size: clamp(1.3rem, 2vw, 1.8rem);   font-weight: 800; }

.lede {
  font-size: clamp(1.05rem, 1.35vw, 1.28rem);
  line-height: 1.62;
  color: var(--muted);
  font-weight: 400;
  max-width: 58ch;
}
.muted { color: var(--muted); }
.tm { font-size: .52em; vertical-align: super; font-weight: 700; }
.crimson { color: var(--c-accent); }

/* wordmark */
.wordmark { font-family: var(--display); font-weight: 900; letter-spacing: .01em; white-space: nowrap; }
.wordmark .soma { font-weight: 600; }
.wordmark .stem { font-weight: 900; }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 16px 28px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  outline: none;
  transition: transform .18s ease, box-shadow .25s ease, background .2s ease, color .2s ease, border-color .2s ease;
  line-height: 1;
}
.btn:focus-visible { box-shadow: var(--focus-ring); }
.btn-primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: var(--sh-2);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  background: var(--soma-deep);
  color: #fff;
  box-shadow: var(--sh-3);
}
.btn-primary:focus-visible { box-shadow: var(--sh-3), var(--focus-ring); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--hair);
}
.btn-ghost:hover { border-color: var(--ink); }
.btn-ghost:focus-visible { box-shadow: var(--focus-ring); }
.btn-outline-red {
  background: #fff;
  color: var(--c-accent);
  border: 2px solid var(--c-accent);
}
.btn-outline-red:hover { color: var(--ink); border-color: var(--ink); }
.btn-outline-red:focus-visible { box-shadow: var(--focus-ring); }
.btn-lg { padding: 19px 36px; font-size: 16px; }
.btn-icon {
  width: 36px; height: 36px; padding: 0; border-radius: 50%;
  justify-content: center; font-size: 15px; line-height: 0;
}
.btn-icon i { line-height: 1; }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- nav (crimson gradient header) ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(20px, 4vw, 48px);
  background: linear-gradient(100deg, var(--soma-wine) 0%, var(--soma-deep) 32%, var(--soma-crimson) 78%, var(--soma-bright) 120%);
  box-shadow: 0 1px 0 rgba(255,255,255,.12) inset, 0 8px 30px -16px rgba(80,12,18,.7);
  transition: padding .3s ease, box-shadow .3s ease;
}
.nav.scrolled { padding-top: 11px; padding-bottom: 11px; box-shadow: 0 1px 0 rgba(255,255,255,.12) inset, 0 12px 34px -14px rgba(80,12,18,.8); }
.nav-brand { display: flex; align-items: center; gap: 14px; }
.nav-brand .nul-mark { height: 25px; }
.nav-brand .divider { width: 1px; height: 22px; background: rgba(255,255,255,.32); }
.nav-brand .ss { font-family: var(--display); font-weight: 900; letter-spacing: .04em; color:#fff; font-size: 19px; }
.nav-brand .ss .soma { font-weight: 600; color: rgba(255,255,255,.82); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  color: rgba(255,255,255,.86); text-decoration: none; font-weight: 600; font-size: 14px;
  transition: color .18s;
}
.nav-links a:hover { color: #fff; }
.nav-links a.nav-cta {
  padding: 11px 20px; font-size: 14px; background: #fff; color: var(--soma-deep);
  border-radius: var(--radius-pill); font-weight: 800;
  box-shadow: 0 6px 18px -8px rgba(0,0,0,.4); transition: transform .18s ease, box-shadow .2s ease;
}
.nav-links a.nav-cta:hover { transform: translateY(-1px); color: var(--soma-deep); box-shadow: 0 10px 22px -8px rgba(0,0,0,.45); }
@media (max-width: 900px) { .nav-links .nav-link { display: none; } }

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(var(--reveal-dist));
  transition: opacity .85s cubic-bezier(.2,.7,.2,1), transform .85s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--d, 0s);
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}
.no-motion .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }

/* arch image masks (NUL signature) */
.arch-tr { border-radius: 22px 220px 22px 22px; }
.arch-br { border-radius: 22px 22px 220px 22px; }
.arch-tl { border-radius: 220px 22px 22px 22px; }
.arch-bl { border-radius: 22px 22px 22px 220px; }
.arch-top { border-radius: 220px 220px 26px 26px; }

/* ============================================================
   HERO  (three directions toggled via body[data-hero])
   ============================================================ */
.hero { position: relative; padding: clamp(120px, 16vh, 180px) 0 clamp(60px, 9vh, 110px); overflow: hidden; }
.hero-soft {
  position: absolute; width: 60vw; height: 60vw; right: -16vw; top: -10vw; z-index: 0;
  background: radial-gradient(circle, var(--c-glow) 0%, transparent 62%); pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }

.pill-kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-accent); background: var(--tint);
  border: 1px solid var(--c-glow); border-radius: var(--radius-pill);
  padding: 8px 16px; margin-bottom: 24px;
}
.pill-kicker .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c-accent); }

.hero-title { font-weight: 900; letter-spacing: -.035em; line-height: .98; color: var(--ink); }
.hero-title .brandline { display: block; }
.hero-title .brandline .soma { font-weight: 600; color: var(--soma-deep); }
.hero-title .brandline .stem { color: var(--c-accent); }
.hero-sub-h { display: block; font-weight: 900; color: var(--ink); margin-top: 14px; line-height: 1.12; letter-spacing: -.02em; text-wrap: balance; }
.hero-sub-h .crimson { color: var(--c-accent); }
.hero-lede { margin: 22px 0 30px; }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-note { display: flex; align-items: center; gap: 9px; margin-top: 22px; color: var(--muted); font-size: 13.5px; }
.hero-note .season { color: var(--ink); font-weight: 700; }

.trust-row { display: flex; gap: 18px; flex-wrap: nowrap; align-items: center; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--hair); }
.trust-row .ti { display: inline-flex; align-items: center; gap: 8px; }
.trust-row .ti b { font-family: var(--display); font-weight: 800; font-size: .94rem; color: var(--ink); white-space: nowrap; }
.trust-row .ti span { display: none; }
.trust-row .ti::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .72rem; color: var(--c-accent); }
@media (max-width: 560px){ .trust-row { flex-wrap: wrap; gap: 12px 18px; } }
/* product / photo stage */
.hero-stage { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-photo { width: 100%; object-fit: cover; box-shadow: var(--sh-3); }
.hero-product-img {
  position: relative; z-index: 2; width: 100%; max-width: 540px;
  filter: drop-shadow(0 40px 60px rgba(60,30,20,.28));
  animation: floaty 7s ease-in-out infinite;
}
.hero-glow-disc {
  position: absolute; width: 86%; aspect-ratio: 1; left: 50%; top: 52%; transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--tint) 0%, transparent 66%); z-index: 0;
}
.float-badge {
  position: absolute; z-index: 4; background: #fff; border-radius: 16px; padding: 13px 17px;
  box-shadow: var(--sh-2); display: flex; align-items: center; gap: 11px;
}
.float-badge .fb-ic { width: 34px; height: 34px; border-radius: 10px; background: var(--tint); color: var(--c-accent);
  display: flex; align-items: center; justify-content: center; font-size: 16px; }
.float-badge b { font-family: var(--display); font-size: 14px; color: var(--ink); display: block; line-height: 1.15; }
.float-badge span { font-size: 11.5px; color: var(--muted); }

/* direction A — split */
body[data-hero="split"] .hero-inner { display: grid; grid-template-columns: 1.04fr .96fr; gap: clamp(30px, 5vw, 76px); align-items: center; }
body[data-hero="split"] .hero-title { font-size: clamp(2.6rem, 5.6vw, 5.1rem); }
body[data-hero="split"] .hero-sub-h { font-size: clamp(1.3rem, 2.4vw, 2.2rem); }
body[data-hero="split"] .hero-product-img { max-width: 460px; }
body[data-hero="split"] .hero-photo { display: none; }

/* direction B — product spotlight (centered) */
body[data-hero="spotlight"] .hero { text-align: center; padding-bottom: clamp(40px,6vh,80px); }
body[data-hero="spotlight"] .hero-inner { display: flex; flex-direction: column; align-items: center; }
body[data-hero="spotlight"] .hero-title { font-size: clamp(2.6rem, 6.6vw, 5.6rem); }
body[data-hero="spotlight"] .hero-sub-h { font-size: clamp(1.3rem, 2.6vw, 2.3rem); }
body[data-hero="spotlight"] .hero-lede { margin-inline: auto; max-width: 56ch; }
body[data-hero="spotlight"] .hero-actions { justify-content: center; }
body[data-hero="spotlight"] .hero-note { justify-content: center; }
body[data-hero="spotlight"] .trust-row { justify-content: center; }
body[data-hero="spotlight"] .hero-stage { margin-top: 40px; width: 100%; }
body[data-hero="spotlight"] .hero-product-img { max-width: 620px; }
body[data-hero="spotlight"] .hero-copy-side { display: none; }
body[data-hero="spotlight"] .hero-photo { display: none; }
body[data-hero="spotlight"] .float-badge { display: flex; }

/* direction C — full-bleed lifestyle with copy card */
body[data-hero="immersive"] .hero { padding: 0; min-height: clamp(640px, 94vh, 960px); display: flex; align-items: stretch; }
body[data-hero="immersive"] .hero-soft { display: none; }
body[data-hero="immersive"] .hero-inner { width: 100%; display: grid; grid-template-columns: 1fr; }
body[data-hero="immersive"] .hero-stage { position: absolute; inset: 0; }
body[data-hero="immersive"] .hero-photo {
  display: block; position: absolute; inset: 0; width: 100%; height: 100%; border-radius: 0; box-shadow: none;
  object-fit: cover; object-position: 82% center;
}
body[data-hero="immersive"] .hero-scrim {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(255,253,250,.94) 0%, rgba(255,253,250,.82) 30%, rgba(255,253,250,.32) 50%, transparent 64%);
}
body[data-hero="immersive"] .hero-copy {
  position: relative; z-index: 3; align-self: center;
  width: min(1240px, 92vw); margin-inline: auto; padding: 158px 0 78px;
}
body[data-hero="immersive"] .hero-copy-inner { max-width: 560px; }
body[data-hero="immersive"] .hero-title { font-size: clamp(2.6rem, 5.6vw, 5rem); }
body[data-hero="immersive"] .hero-sub-h { font-size: clamp(1.3rem, 2.4vw, 2.1rem); }
body[data-hero="immersive"] .hero-product-img { display: none; }
body[data-hero="immersive"] .hero-glow-disc { display: none; }
body[data-hero="immersive"] .float-badge { display: none; }
/* hide the scrim+photo when not immersive */
.hero-scrim { display: none; }
body[data-hero="immersive"] .hero-scrim { display: block; }

@keyframes floaty { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }

@media (max-width: 920px) {
  body[data-hero="split"] .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  body[data-hero="split"] .hero-stage { order: -1; max-width: 420px; }
  body[data-hero="immersive"] .hero-scrim { background: linear-gradient(180deg, rgba(255,250,247,.92), rgba(255,250,247,.7)); }
}

/* ============================================================
   STATEMENT band
   ============================================================ */
.statement { text-align: center; }
.statement h2 { font-size: clamp(1.9rem, 3.6vw, 3.2rem); font-weight: 800; letter-spacing: -.02em; max-width: 20ch; margin-inline: auto; }
.statement h2 .crimson { color: var(--c-accent); }
.statement p { margin: 22px auto 0; color: var(--muted); font-size: clamp(1.05rem,1.4vw,1.25rem); max-width: 56ch; }

/* ============================================================
   RECOVERY TIMELINE (interactive #1) — light
   ============================================================ */
.timeline { position: relative; }
.tl-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; flex-wrap: wrap; margin-bottom: 48px; }
.tl-stage { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(28px, 4vw, 60px); align-items: center; }
.tl-viz {
  position: relative; aspect-ratio: 1/1; border-radius: var(--radius-xl);
  background: radial-gradient(circle at 50% 45%, #fff, var(--tint));
  border: 1px solid var(--hair); overflow: hidden; box-shadow: var(--sh-1);
}
.tl-viz svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.tl-readout { display: flex; flex-direction: column; gap: 22px; }
.tl-age { font-family: var(--display); font-weight: 900; font-size: clamp(3rem, 6.5vw, 5.2rem); line-height: .9; color: var(--ink); letter-spacing: -.04em; }
.tl-age small { display: block; font-family: var(--font-body); font-size: 12px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--c-accent); margin-top: 10px; }
.metric-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.metric-top .lab { font-weight: 600; color: var(--body); font-size: 14.5px; }
.metric-top .val { font-family: var(--display); font-weight: 900; color: var(--ink); font-size: 15px; font-variant-numeric: tabular-nums; }
.bar { height: 9px; border-radius: 99px; background: var(--hair-2); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--soma-deep), var(--c-accent)); transition: width .6s cubic-bezier(.3,.8,.3,1); }

.tl-track { margin-top: 46px; }
.tl-rail { position: relative; height: 3px; background: var(--hair); border-radius: 2px; }
.tl-fill { position: absolute; left: 0; top: 0; height: 100%; background: var(--c-accent); border-radius: 2px; transition: width .35s ease; }
.tl-stops { display: flex; justify-content: space-between; margin-top: -8px; position: relative; }
.tl-stop { background: none; border: 0; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 13px; padding: 0; }
.tl-dot { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 2px solid var(--faint); transition: all .25s ease; }
.tl-stop[aria-selected="true"] .tl-dot { background: var(--c-accent); border-color: var(--c-accent); box-shadow: 0 0 0 5px var(--c-glow-soft); transform: scale(1.12); }
.tl-stop .tl-lab { font-weight: 700; font-size: 13px; color: var(--muted); transition: color .2s; }
.tl-stop[aria-selected="true"] .tl-lab { color: var(--ink); }
input.tl-range { position: absolute; inset: 0; width: 100%; height: 34px; top: -16px; opacity: 0; cursor: pointer; margin: 0; }
@media (max-width: 820px){ .tl-stage{ grid-template-columns: 1fr; } }

/* ============================================================
   HEALTHY vs UNHEALTHY CELL (interactive #2)
   ============================================================ */
.cell-sec { position: relative; }
.cell-head { text-align: center; margin-bottom: 14px; }
.cell-toggle { display: inline-flex; gap: 6px; background: var(--surface); border: 1px solid var(--hair); border-radius: var(--radius-pill); padding: 5px; margin: 22px auto 0; box-shadow: var(--sh-1); }
.cell-toggle button {
  border: 0; background: transparent; cursor: pointer; font-family: var(--font-body); font-weight: 800;
  font-size: 13.5px; letter-spacing: .02em; color: var(--muted); padding: 11px 24px; border-radius: var(--radius-pill);
  transition: background .22s, color .22s;
}
.cell-toggle button.active { color: #fff; }
.cell-sec[data-state="healthy"] .cell-toggle button.healthy.active { background: var(--c-accent); }
.cell-sec[data-state="unhealthy"] .cell-toggle button.unhealthy.active { background: var(--faint); }

.cell-stage {
  position: relative; margin: 50px auto 0; width: min(1080px, 94vw);
  display: grid; grid-template-columns: 1fr clamp(280px, 34vw, 420px) 1fr; gap: clamp(18px, 2.4vw, 40px);
  align-items: center;
}
.cell-core { position: relative; aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; }
.cell-svg { width: 100%; height: 100%; overflow: visible; transition: filter .5s ease; }
.cell-state-label {
  position: absolute; left: 50%; bottom: -6px; transform: translateX(-50%);
  font-family: var(--display); font-weight: 900; font-size: 14px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-accent); transition: color .4s;
}
.cell-sec[data-state="unhealthy"] .cell-state-label { color: var(--faint); }

.cell-callouts { display: flex; flex-direction: column; gap: 14px; }
.cell-callouts.right { align-items: flex-start; }
.cell-callouts.left { align-items: flex-end; text-align: right; }
.callout {
  background: var(--surface); border: 1px solid var(--hair); border-radius: var(--radius-md);
  padding: 16px 18px; width: 100%; max-width: 320px; box-shadow: var(--sh-1);
  transition: transform .3s ease, box-shadow .3s ease, opacity .3s ease, border-color .3s;
}
.callout .co-top { display: flex; align-items: center; gap: 10px; margin-bottom: 5px; }
.cell-callouts.left .callout .co-top { flex-direction: row-reverse; }
.callout .co-ic { width: 34px; height: 34px; border-radius: 9px; background: var(--tint); color: var(--c-accent);
  display: flex; align-items: center; justify-content: center; font-size: 15px; flex: none; transition: background .3s, color .3s; }
.callout h4 { font-size: 1.02rem; color: var(--ink); }
.callout p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.45; }
.cell-sec[data-state="healthy"] .callout { border-color: var(--c-glow); }
.cell-sec[data-state="healthy"] .callout .co-ic { background: var(--c-accent); color: #fff; }
.cell-sec[data-state="unhealthy"] .callout { border-color: var(--hair); }
.cell-sec[data-state="unhealthy"] .callout .co-ic { background: #e7e4e1; color: #4a4a4a; }
.cell-foot { text-align: center; margin-top: 44px; color: var(--muted); font-size: 14.5px; max-width: 60ch; margin-inline: auto; }
@media (max-width: 880px){
  .cell-stage{ grid-template-columns: 1fr; }
  .cell-callouts.left{ align-items: stretch; text-align: left; order: 3; }
  .cell-callouts.left .callout .co-top { flex-direction: row; }
  .cell-callouts.right{ align-items: stretch; }
  .cell-core{ max-width: 360px; margin-inline: auto; order: 1; }
}

/* ============================================================
   PATHWAY (static 3-up)
   ============================================================ */
.path-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 46px; }
.path-card {
  position: relative; background: var(--surface); border: 1px solid var(--hair); border-radius: var(--radius-lg);
  padding: 34px 30px 30px; box-shadow: var(--sh-1); overflow: hidden;
}
.path-card .pc-step { font-family: var(--display); font-weight: 900; font-size: 13px; letter-spacing: .12em; color: var(--c-accent); }
.path-card .pc-orb {
  width: 64px; height: 64px; border-radius: 50%; margin: 16px 0 20px;
  background: radial-gradient(circle at 50% 38%, var(--c-accent), var(--soma-deep));
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 24px;
  box-shadow: 0 14px 30px -12px var(--c-glow);
}
.path-card h3 { font-size: 1.5rem; margin-bottom: 9px; }
.path-card p { color: var(--muted); font-size: 14.5px; margin: 0 0 16px; }
.path-card .pc-tag { font-family: var(--display); font-weight: 800; font-size: 12px; letter-spacing: .04em; color: var(--soma-deep); }
.path-card .pc-num { position: absolute; right: 18px; top: 14px; font-family: var(--display); font-weight: 900; font-size: 3.4rem; color: var(--tint); line-height: 1; z-index: 0; }
.path-card > * { position: relative; z-index: 1; }
@media (max-width: 820px){ .path-grid{ grid-template-columns: 1fr; } }

/* ============================================================
   MECHANISMS (static — image + callouts row)
   ============================================================ */
.mech-stage { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.mech-list { display: flex; flex-direction: column; gap: 6px; }
.mech-row { display: flex; gap: 18px; padding: 20px 6px; border-bottom: 1px solid var(--hair); }
.mech-row:last-child { border-bottom: 0; }
.mech-row .mr-ic { width: 46px; height: 46px; flex: none; border-radius: 12px; background: var(--tint); color: var(--c-accent);
  display: flex; align-items: center; justify-content: center; font-size: 19px; }
.mech-row h4 { font-size: 1.18rem; margin-bottom: 4px; }
.mech-row p { color: var(--muted); font-size: 14px; margin: 0; }
.mech-photo { position: relative; }
.mech-photo img { width: 100%; aspect-ratio: 4/5; object-fit: cover; box-shadow: var(--sh-2); }
.mech-photo .mp-badge {
  position: absolute; left: -18px; bottom: 28px; background: var(--surface); border-radius: 16px; padding: 16px 20px;
  box-shadow: var(--sh-2); max-width: 220px;
}
.mech-photo .mp-badge b { font-family: var(--display); font-weight: 900; color: var(--ink); display: block; font-size: 1.3rem; }
.mech-photo .mp-badge span { font-size: 12.5px; color: var(--muted); }
@media (max-width: 860px){ .mech-stage{ grid-template-columns: 1fr; } .mech-photo{ order: -1; } .mech-photo .mp-badge{ left: 14px; } }

/* ============================================================
   INGREDIENTS (static synergy — two cards + core)
   ============================================================ */
.ing-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(16px, 2.4vw, 34px); align-items: center; margin-top: 46px; }
.ing-grid.three { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.ing-card { background: var(--surface); border: 1px solid var(--hair); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--sh-1); }
.ing-card .etag { font-size: 11px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--c-accent); margin-bottom: 8px; display: block; }
.ing-card h4 { font-size: 1.5rem; margin-bottom: 10px; }
.ing-card p { font-size: 14px; color: var(--muted); margin: 0; }
.ing-card .chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.ing-card .chip { font-size: 11.5px; font-weight: 700; color: var(--soma-deep); background: var(--tint); border-radius: 99px; padding: 6px 12px; }
.ing-core {
  width: clamp(96px, 12vw, 132px); aspect-ratio: 1; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 50% 38%, var(--c-accent), var(--soma-deep));
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: #fff;
  box-shadow: 0 20px 44px -16px var(--c-glow);
}
.ing-core .wordmark { font-size: clamp(.85rem,1.3vw,1.05rem); }
.ing-core small { font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase; opacity: .85; margin-top: 4px; }
@media (max-width: 860px){ .ing-grid{ grid-template-columns: 1fr; } .ing-core{ margin-inline: auto; } }

/* ============================================================
   LIFESTYLE grid
   ============================================================ */
.feel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.feel-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 3/3.7; box-shadow: var(--sh-1); background: var(--tint); }
.feel-card image-slot { position: absolute; inset: 0; width: 100%; height: 100%; }
.feel-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.feel-card .scrim { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 42%, rgba(40,18,14,.12) 60%, rgba(40,18,14,.78) 100%); z-index: 2; }
.feel-card .fc-body { position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; padding: 24px; }
.feel-card .fc-num { font-family: var(--display); font-weight: 900; font-size: 12px; letter-spacing: .14em; color: #fff; opacity: .8; margin-bottom: 6px; }
.feel-card .fc-title { font-family: var(--display); font-weight: 900; font-size: clamp(1.2rem, 1.6vw, 1.5rem); color: #fff; }
@media (max-width: 900px){ .feel-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .feel-grid{ grid-template-columns: 1fr; } }

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta { background: linear-gradient(135deg, var(--soma-wine) 0%, var(--soma-deep) 45%, var(--soma-crimson) 110%); position: relative; overflow: hidden; }
.cta .cta-soft { position: absolute; width: 50vw; height: 50vw; right: -12vw; bottom: -20vw; background: radial-gradient(circle, rgba(255,255,255,.12), transparent 62%); }
.cta-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,5vw,70px); align-items: center; }
.cta-copy h2 { color: #fff; font-size: clamp(2.2rem, 4.4vw, 3.6rem); font-weight: 900; letter-spacing: -.03em; line-height: 1; }
.cta-copy h2 span { display: block; }
.cta-copy h2 .em { color: #fff; opacity: .55; }
.cta-copy .wordmark { display: inline-block; margin-top: 18px; font-size: 1.5rem; color: #fff; }
.cta-copy .wordmark .soma { color: rgba(255,255,255,.78); }
.cta-copy .cc-sub { color: rgba(255,255,255,.78); margin: 8px 0 0; letter-spacing: .04em; font-size: 14px; }
.reserve-card {
  background: #fff; border-radius: var(--radius-lg); padding: 32px 34px; box-shadow: var(--sh-3);
  display: flex; flex-direction: column; gap: 16px;
}
.reserve-card .rc-eyebrow { font-size: 11.5px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--c-accent); }
.reserve-card .price { display: flex; align-items: baseline; gap: 10px; }
.reserve-card .price .amt { font-family: var(--display); font-weight: 900; font-size: 3rem; color: var(--ink); line-height: 1; }
.reserve-card .price .lbl { color: var(--muted); font-size: 14px; }
.reserve-card .sub { color: var(--body); font-size: 14.5px; margin: 0; }
.reserve-card .btn-primary { width: 100%; justify-content: center; }
.reserve-fine { color: var(--faint); font-size: 12px; }
.cta-product { width: min(320px, 64vw); margin: 4px auto 0; filter: drop-shadow(0 30px 50px rgba(0,0,0,.4)); }
@media (max-width: 860px){ .cta-inner{ grid-template-columns: 1fr; } }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--ink); color: rgba(255,255,255,.7); padding: 56px 0 38px; }
.footer-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; align-items: flex-start; }
.footer .nul-mark { height: 30px; margin-bottom: 14px; }
.footer p { color: rgba(255,255,255,.55); font-size: 14px; max-width: 38ch; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col h5 { font-family: var(--font-body); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.45); margin: 0 0 14px; }
.footer-col a { display: block; color: rgba(255,255,255,.78); text-decoration: none; font-size: 14px; margin-bottom: 10px; transition: color .18s; }
.footer-col a:hover { color: #fff; }
.footer-fine { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.45); font-size: 12px; }
.footer-fine .disc { font-style: italic; font-weight: 300; margin-bottom: 10px; }

/* ============================================================
   STEM CELLS 101  (what they are + how SomaStem supports them)
   ============================================================ */
.stem-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(30px, 5vw, 72px); align-items: center; }
.stem-copy .lede { margin-bottom: 22px; }
.stem-points { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.stem-point { display: flex; gap: 14px; align-items: flex-start; }
.stem-point .sp-ic { width: 38px; height: 38px; flex: none; border-radius: 10px; background: var(--tint); color: var(--c-accent);
  display: flex; align-items: center; justify-content: center; font-size: 15px; }
.stem-point b { font-family: var(--display); font-weight: 800; color: var(--ink); display: block; font-size: 1.02rem; margin-bottom: 1px; }
.stem-point span { font-size: 14px; color: var(--muted); }

/* "one cell, many possibilities" — radial differentiation diagram (no card) */
.stem-diagram {
  background: none; border: 0; box-shadow: none; padding: 0; text-align: center;
}
.rc { position: relative; width: 100%; max-width: 480px; aspect-ratio: 1; margin: 0 auto; }
.rc-lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.rc-lines .spoke { stroke: var(--c-accent); stroke-width: 1.6; opacity: .3; stroke-dasharray: 4 6; }
.rc-pulse { fill: none; stroke: var(--c-accent); opacity: 0; }
@media (prefers-reduced-motion: no-preference) {
  .rc-pulse { animation: rcPulse 4.8s ease-out infinite; }
  .rc-pulse.p2 { animation-delay: 2.4s; }
}
.no-motion .rc-pulse { animation: none !important; }
@keyframes rcPulse { 0%{ r:52px; opacity:.3; stroke-width:2; } 100%{ r:172px; opacity:0; stroke-width:.5; } }

.rc-center {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 116px; height: 116px; border-radius: 50%; z-index: 3;
  background: radial-gradient(circle at 50% 36%, var(--c-accent), var(--soma-deep));
  display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 18px 40px -14px var(--c-glow), 0 0 0 8px var(--c-glow-soft);
}
.rc-center b { font-family: var(--display); font-weight: 900; font-size: 1.12rem; line-height: .95; }
.rc-center small { font-size: 9px; letter-spacing: .18em; text-transform: uppercase; opacity: .85; margin-top: 5px; }
@media (prefers-reduced-motion: no-preference) { .rc-center { animation: rcBreathe 7s ease-in-out infinite; } }
.no-motion .rc-center { animation: none !important; }
@keyframes rcBreathe { 0%,100%{ transform: translate(-50%,-50%) scale(1); } 50%{ transform: translate(-50%,-50%) scale(1.05); } }

.rc-node {
  position: absolute; transform: translate(-50%,-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 6px; width: 84px;
}
.rc-node .rc-dot {
  width: 62px; height: 62px; border-radius: 50%; background: var(--surface); border: 1px solid var(--c-glow);
  display: flex; align-items: center; justify-content: center; color: var(--c-accent); font-size: 18px;
  box-shadow: var(--sh-1); transition: transform .25s ease, box-shadow .25s ease;
}
.rc-node:hover .rc-dot { transform: translateY(-3px) scale(1.06); box-shadow: var(--sh-2); }
.rc-node .rc-lab { font-family: var(--display); font-weight: 800; font-size: 11.5px; letter-spacing: .04em; color: var(--ink); }
.rc-travel { fill: var(--c-accent); }
.stem-cap { margin: 24px auto 0; font-size: 13px; color: var(--muted); max-width: 36ch; }
@media (max-width: 420px){ .rc-node { width: 66px; } .rc-node .rc-dot { width: 46px; height: 46px; font-size: 15px; } }

/* video embed (placeholder) */
.video-embed {
  position: relative; width: min(880px, 100%); margin: 40px auto 56px; aspect-ratio: 16/9;
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--sh-3);
  background: #000; border: 1px solid var(--hair);
}
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* "how SomaStem supports" 3-up */
.support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 56px; }
.support-card { background: var(--surface); border: 1px solid var(--hair); border-radius: var(--radius-lg); padding: 28px 26px; box-shadow: var(--sh-1); }
.support-card .sc-ic { width: 52px; height: 52px; border-radius: 14px; margin-bottom: 18px;
  background: radial-gradient(circle at 50% 38%, var(--c-accent), var(--soma-deep)); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 20px; box-shadow: 0 12px 26px -12px var(--c-glow); }
.support-card .sc-step { font-family: var(--display); font-weight: 900; font-size: 12px; letter-spacing: .14em; color: var(--c-accent); display: block; margin-bottom: 4px; }
.support-card h4 { font-size: 1.4rem; margin-bottom: 8px; }
.support-card p { font-size: 14px; color: var(--muted); margin: 0; }
@media (max-width: 880px){
  .stem-grid{ grid-template-columns: 1fr; }
  .stem-diagram{ order: -1; }
  .support-grid{ grid-template-columns: 1fr; }
}

/* ============================================================
   FAQ (accordion)
   ============================================================ */
.faq-wrap { width: min(840px, 92vw); margin: 46px auto 0; }
.faq-item { border-bottom: 1px solid var(--hair); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 26px 4px; font-family: var(--display); font-weight: 800; font-size: clamp(1.05rem, 1.6vw, 1.32rem);
  color: var(--ink); transition: color .18s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--c-accent); }
.faq-item .faq-ic { flex: none; width: 32px; height: 32px; border-radius: 50%; border: 1.5px solid var(--hair);
  display: flex; align-items: center; justify-content: center; color: var(--c-accent); transition: transform .3s ease, background .25s, border-color .25s, color .25s; }
.faq-item[open] .faq-ic { transform: rotate(45deg); background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.faq-item .faq-body { overflow: hidden; }
.faq-item .faq-body p { margin: 0 0 26px; padding-right: 52px; color: var(--muted); font-size: 15.5px; line-height: 1.6; }
.faq-item .faq-body p a { color: var(--c-accent); font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--c-glow); }
.faq-item[open] summary { color: var(--c-accent); }
.faq-foot { text-align: center; margin-top: 40px; color: var(--muted); font-size: 14.5px; }
.faq-foot a { color: var(--c-accent); font-weight: 700; text-decoration: none; }
@media (prefers-reduced-motion: no-preference){
  .faq-item[open] .faq-body p { animation: faqIn .4s ease; }
}
@keyframes faqIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }