/* =========================================================
   心路地图 LifeMap · Landing
   Apple-style minimal system · 硅基Life工作室
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Surfaces — Apple monochrome base */
  --bg:        #fbfbfd;
  --bg-2:      #f5f5f7;
  --bg-3:      #efeff3;
  --surface:   #ffffff;

  /* Ink */
  --ink:       #1d1d1f;
  --ink-2:     #515154;
  --ink-3:     #6e6e73;
  --ink-4:     #86868b;
  --line:      #d2d2d7;
  --line-soft: #e6e6eb;

  /* Brand accents */
  --coral:     #e8836b;
  --teal:      #5bb5a2;
  --amber:     #f2a45a;
  --violet:    #b59fd8;

  /* Dark */
  --dark:      #0b0b0f;
  --dark-2:    #14141a;
  --dark-ink:  #f5f5f7;
  --dark-ink-2:#a1a1aa;

  /* Gradients */
  --grad-warm: linear-gradient(120deg, #e8836b 0%, #f2a45a 100%);
  --grad-cool: linear-gradient(120deg, #5bb5a2 0%, #7cc4b4 60%, #b59fd8 100%);
  --grad-map:  linear-gradient(120deg, #e8836b 0%, #b59fd8 48%, #5bb5a2 100%);

  /* Radii */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-pill: 980px;

  /* Shadows */
  --sh-sm: 0 1px 2px rgba(17,17,26,.04), 0 4px 14px rgba(17,17,26,.04);
  --sh-md: 0 2px 8px rgba(17,17,26,.05), 0 16px 40px rgba(17,17,26,.08);
  --sh-lg: 0 8px 28px rgba(17,17,26,.08), 0 40px 80px rgba(17,17,26,.10);

  /* Layout */
  --container: 1120px;
  --nav-h: 60px;

  /* Type */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Segoe UI", Inter, system-ui, sans-serif;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}
@media (min-width: 981px) and (prefers-reduced-motion: no-preference) {
  html { scroll-snap-type: y proximity; }
  .hero, .section, .finale { scroll-snap-align: start; scroll-snap-stop: normal; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; padding: 0; }
:focus-visible { outline: 2.5px solid var(--coral); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 18px;
  border-radius: 10px; font-size: 14px; transition: top .2s var(--ease);
}
.skip-link:focus { top: 16px; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(72px, 11vw, 140px) 0; position: relative; }
.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--coral); margin-bottom: 18px;
}
.hide-sm { display: inline; }
.strong { font-weight: 600; color: var(--ink); }

.section__head { max-width: 720px; margin: 0 auto 64px; text-align: center; }
.section__title {
  font-size: clamp(32px, 5.2vw, 56px);
  font-weight: 700; letter-spacing: -.02em; line-height: 1.08;
  color: var(--ink);
}
.section__lead {
  margin-top: 20px; font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.6; color: var(--ink-3); max-width: 60ch;
}
.section__head .section__lead { margin-left: auto; margin-right: auto; }
.section__lead--nowrap { white-space: nowrap; max-width: none; }

/* Gradient text */
.text-grad-warm { background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; color: transparent; }
.text-grad-cool { background: var(--grad-cool); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 16px; font-weight: 500; padding: 13px 26px;
  border-radius: var(--r-pill); cursor: pointer;
  transition: transform .2s var(--ease), background .2s var(--ease),
              box-shadow .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--ink); color: #fff;
  box-shadow: 0 6px 18px rgba(17,17,26,.18);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(17,17,26,.24); }
.btn--ghost { background: rgba(0,0,0,0); color: var(--ink); padding-left: 14px; }
.btn--ghost:hover { color: var(--coral); }
.btn--ghost .arrow { transition: transform .2s var(--ease); }
.btn--ghost:hover .arrow { transform: translateX(3px); }
.btn--sm { font-size: 14px; padding: 9px 18px; }
.btn--lg { font-size: 18px; padding: 16px 38px; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h); display: flex; align-items: center;
  transition: background .3s var(--ease), backdrop-filter .3s var(--ease),
              box-shadow .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(251,251,253,.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line-soft);
}
.nav__inner {
  width: 100%; max-width: var(--container); margin: 0 auto;
  padding: 0 24px; display: flex; align-items: center; gap: 20px;
}
.nav__brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.nav__logo { width: 32px; height: 32px; border-radius: 8px; }
.nav__name { font-size: 17px; font-weight: 600; letter-spacing: -.01em; color: var(--ink); }
.nav__name-en { color: var(--ink-4); font-weight: 500; margin-left: 6px; font-size: 15px; }

.nav__links { display: flex; gap: 6px; }
.nav__links a {
  font-size: 14px; color: var(--ink-2); font-weight: 400;
  padding: 8px 14px; border-radius: var(--r-pill);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__links a:hover { color: var(--ink); background: var(--bg-2); }
.nav__links a.is-active { color: var(--coral); }

.nav__actions { display: flex; align-items: center; gap: 10px; }

.nav__toggle { display: none; width: 40px; height: 40px; flex-direction: column;
  gap: 5px; align-items: center; justify-content: center; border-radius: 10px; }
.nav__toggle span { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s var(--ease), opacity .25s var(--ease); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: rgba(251,251,253,.96); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 24px 22px; gap: 6px;
  border-bottom: 1px solid var(--line-soft);
}
.nav__mobile:not([hidden]) { display: flex; flex-direction: column; }
.nav__mobile a { padding: 14px 12px; font-size: 17px; color: var(--ink); border-radius: 12px; }
.nav__mobile a:not(.btn):hover { background: var(--bg-2); }
.nav__mobile .btn { margin-top: 8px; }
.nav__mobile .btn--primary { color: #fff; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--nav-h) + 70px) 0 110px; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__glow { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; }
.hero__glow--coral { width: 520px; height: 520px; background: radial-gradient(circle, #f7a98f 0%, transparent 70%); top: -160px; right: -120px; }
.hero__glow--teal { width: 460px; height: 460px; background: radial-gradient(circle, #8fd6c6 0%, transparent 70%); bottom: -180px; left: -120px; }
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px),
                    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px; -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
  opacity: .5;
}
.hero__inner { position: relative; z-index: 1; text-align: center; }
.hero__title {
  font-size: clamp(40px, 7.4vw, 84px); font-weight: 700;
  letter-spacing: -.025em; line-height: 1.04; color: var(--ink);
  margin-top: 6px;
}
.hero__sub {
  margin: 26px auto 0; max-width: 58ch; font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.6; color: var(--ink-3);
}
.hero__cta { margin-top: 36px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero__verse { margin: 60px auto 0; display: flex; flex-direction: column; align-items: center; }
.hero__heart { display: inline-flex; margin-bottom: 24px; filter: drop-shadow(0 10px 22px rgba(232,131,107,.32)); }
.hero__verse-text { font-size: clamp(22px, 2.8vw, 30px); line-height: 1.5; letter-spacing: -.01em; }
.vline { display: block; font-weight: 300; color: var(--ink-2); }
.vline--em { font-weight: 500; color: var(--ink); }
.vem { background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero__scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-4);
}
.hero__scroll-line { width: 1px; height: 34px; background: linear-gradient(var(--ink-4), transparent);
  opacity: .7; }

/* ---------- Stats ---------- */
.stats { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
  background: var(--bg); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 44px 24px; }
.stat { text-align: center; position: relative; }
.stat:not(:last-child)::after { content:""; position:absolute; right:0; top:14%; height:72%; width:1px; background: var(--line-soft); }
.stat__num { font-size: clamp(34px, 4.4vw, 52px); font-weight: 700; letter-spacing: -.03em;
  background: var(--grad-map); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat__unit { font-size: 18px; color: var(--ink-3); margin-left: 2px; }
.stat__label { display: block; margin-top: 8px; font-size: 14px; color: var(--ink-3); }

/* ---------- Product ---------- */
.product { text-align: center; }
.product__inner { max-width: 920px; margin: 0 auto; }
.product__inner .section__lead { margin-left: auto; margin-right: auto; max-width: none; }
.product__cards { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; text-align: left; }
.pcard { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: 32px 28px; box-shadow: var(--sh-sm); }
.pcard__icon { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  color: #fff; margin-bottom: 22px; }
.pcard__icon svg { width: 26px; height: 26px; }
.pcard__icon--coral { background: var(--grad-warm); }
.pcard__icon--teal { background: var(--grad-cool); }
.pcard__icon--amber { background: linear-gradient(120deg, #f2a45a, #f6c98a); }
.pcard h3 { font-size: 21px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 10px; }
.pcard p { font-size: 15.5px; line-height: 1.62; color: var(--ink-3); }

/* ---------- Bento ---------- */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 1fr; gap: 18px; }
.bento__card {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: 28px; box-shadow: var(--sh-sm); position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 14px; min-height: 200px;
}
.bento__card--lg { grid-column: span 2; grid-row: span 2; min-height: 360px; display: grid; grid-template-rows: minmax(0,1fr) minmax(0,1fr); }
.bento__card--wide { grid-column: span 2; }
.bento__top { display: flex; align-items: center; justify-content: space-between; }
.bento__chip { font-size: 12px; font-weight: 600; letter-spacing: .04em; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, #fff); padding: 5px 11px; border-radius: var(--r-pill); }
.bento__icon { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  color: #fff; background: var(--accent); box-shadow: 0 6px 16px color-mix(in srgb, var(--accent) 35%, transparent); }
.bento__icon svg { width: 24px; height: 24px; }
.bento__card h3 { font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.bento__card--lg h3 { font-size: 28px; }
.bento__card p { font-size: 15px; line-height: 1.6; color: var(--ink-3); }
.bento__card--lg p { font-size: 16.5px; max-width: 46ch; }

/* ---- 生命地图全景 · 四维素材拼图（复用小程序 report figures） ---- */
.bento__copy { display: flex; flex-direction: column; gap: 14px; }
.bento__pano {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.bento__pano-tile {
  position: relative;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  margin: 0;
  border-radius: var(--r-md);
  border: 1px solid color-mix(in srgb, var(--accent-tile) 14%, var(--line-soft));
  background: color-mix(in srgb, var(--accent-tile) 9%, #fff);
}
.bento__pano-tile img {
  width: 72%; height: 72%;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(17,17,26,.10));
  transform: translateY(-6px);
}
.bento__pano-tile figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 5px 0 6px;
  font-size: 12px; font-weight: 600; letter-spacing: .06em;
  text-align: center;
  color: var(--accent-tile);
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--accent-tile) 12%, #fff));
}
.bento__pano-tile--coral  { --accent-tile: var(--coral); }
.bento__pano-tile--amber  { --accent-tile: var(--amber); }
.bento__pano-tile--teal   { --accent-tile: var(--teal); }
.bento__pano-tile--violet { --accent-tile: var(--violet); }

/* ---------- Experience / Steps ---------- */
.experience { background: var(--bg-2); }
.steps { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: start; gap: 18px; margin-top: 24px; }
.step { text-align: center; padding: 0 8px; }
.step__num { font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--coral); }
.step__icon { width: 64px; height: 64px; margin: 16px auto 20px; border-radius: 18px;
  background: var(--surface); border: 1px solid var(--line-soft); color: var(--ink);
  display: grid; place-items: center; box-shadow: var(--sh-sm); }
.step__icon svg { width: 30px; height: 30px; }
.step h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; letter-spacing: -.01em; }
.step p { font-size: 15px; color: var(--ink-3); line-height: 1.6; }
.step__line { height: 2px; background: linear-gradient(90deg, var(--line), var(--coral), var(--line));
  margin-top: 78px; border-radius: 2px; width: 60px; align-self: center; }

/* ---------- MBTI · 人格探索 (light, Apple-consistent) ---------- */
.healing {
  position: relative;
  background:
    radial-gradient(ellipse 65% 55% at 50% 0%, color-mix(in srgb, var(--violet) 14%, transparent), transparent 70%),
    radial-gradient(ellipse 60% 50% at 50% 100%, color-mix(in srgb, var(--teal) 13%, transparent), transparent 70%),
    var(--bg);
  color: var(--ink);
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.healing__inner { position: relative; text-align: center; max-width: 820px; margin: 0 auto; z-index: 1; }
.healing__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.healing__orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.healing__orb--violet { width: 480px; height: 480px; background: radial-gradient(circle, #d9caf2 0%, transparent 70%); top: -160px; left: -80px; }
.healing__orb--teal { width: 440px; height: 440px; background: radial-gradient(circle, #bce4d9 0%, transparent 70%); bottom: -180px; right: -60px; }
.healing .eyebrow { color: color-mix(in srgb, var(--violet) 58%, var(--ink)); }
.healing__features { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; margin-top: 52px; }
.hfeat { display: flex; flex-direction: column; align-items: center; gap: 6px; max-width: 200px; }
.hfeat__dot { width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(135deg, var(--violet), var(--teal)); margin-bottom: 6px; box-shadow: 0 0 16px color-mix(in srgb, var(--violet) 55%, transparent); }
.hfeat strong { font-size: 17px; font-weight: 600; color: var(--ink); }
.hfeat span { font-size: 14px; color: var(--ink-3); }

/* ---------- Suite (作品矩阵 + 扫码) ---------- */
.download { background: var(--bg-2); }
.suite .section__head { margin-bottom: 56px; }
.suite__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.suite-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-xl);
  padding: 36px 24px 30px;
  text-align: center;
  box-shadow: var(--sh-sm);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.suite-card--feature { border-color: color-mix(in srgb, var(--coral) 42%, var(--line-soft)); box-shadow: var(--sh-md); }
.suite-card__badge {
  position: absolute; top: 14px; right: 14px;
  font-size: 11px; font-weight: 600; letter-spacing: .04em;
  color: #fff; background: var(--grad-warm);
  padding: 4px 11px; border-radius: var(--r-pill);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--coral) 35%, transparent);
}
.suite-card__qr { display: grid; place-items: center; margin: 4px 0 2px; }
.suite-card__qr img { width: 150px; height: 150px; border-radius: var(--r-md); object-fit: cover;
  box-shadow: 0 8px 24px rgba(17,17,26,.12); }
.suite-card--feature .suite-card__qr img { width: 178px; height: 178px; }
.suite-card__tag { font-size: 12px; font-weight: 600; letter-spacing: .04em; color: var(--teal);
  background: color-mix(in srgb, var(--teal) 12%, #fff); padding: 5px 11px; border-radius: var(--r-pill); }
.suite-card--feature .suite-card__tag { color: var(--coral); background: color-mix(in srgb, var(--coral) 12%, #fff); }
.suite-card h3 { font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.suite-card--feature h3 { font-size: 22px; }
.suite-card p { font-size: 14px; line-height: 1.6; color: var(--ink-3); max-width: 26ch; }

.suite__notes { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px 28px; margin-top: 40px; }
.suite__notes li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--ink-2); }
.check { width: 22px; height: 22px; border-radius: 50%; background: var(--teal); color: #fff;
  display: inline-grid; place-items: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }

/* ---------- Finale ---------- */
.finale { background: var(--bg); padding: clamp(80px, 12vw, 140px) 0; text-align: center; position: relative; overflow: hidden; }
.finale::before { content:""; position:absolute; inset:0;
  background: radial-gradient(ellipse 60% 60% at 50% 30%, color-mix(in srgb, var(--coral) 10%, transparent), transparent 70%); }
.finale__inner { position: relative; z-index: 1; }
.finale__title { font-size: clamp(30px, 5vw, 54px); font-weight: 700; letter-spacing: -.02em;
  background: var(--grad-map); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.15; }
.finale__sub { margin-top: 16px; font-size: clamp(17px, 1.6vw, 21px); color: var(--ink-3); }
.finale__qr { margin: 30px auto 0; padding: 14px; width: 188px; background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg); box-shadow: var(--sh-md); }
.finale__qr img { width: 160px; height: 160px; border-radius: var(--r-md); object-fit: cover; display: block; margin: 0 auto; }
.finale .btn { margin-top: 30px; }

/* ---------- Footer ---------- */
.footer { background: var(--bg-2); border-top: 1px solid var(--line-soft); padding: 56px 0 40px; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer__brand { display: flex; align-items: center; gap: 12px; }
.footer__logo { width: 28px; height: 28px; border-radius: 7px; }
.footer__name { font-size: 16px; font-weight: 600; color: var(--ink); }
.footer__studio { font-size: 13px; color: var(--ink-4); }
.footer__meta { text-align: left; }
.footer__meta p { font-size: 13px; color: var(--ink-4); line-height: 1.6; }
.footer__disclaimer { margin-top: 8px; white-space: nowrap; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); will-change: opacity, transform; }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Back to top ---------- */
.back-top {
  position: fixed; right: 24px; bottom: 28px; z-index: 90;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--surface); color: var(--ink);
  border: 1px solid var(--line-soft);
  box-shadow: var(--sh-md);
  display: grid; place-items: center;
  cursor: pointer;
  opacity: 0; transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), background .2s var(--ease);
  pointer-events: none;
}
.back-top.is-visible {
  opacity: 1; transform: none; pointer-events: auto;
}
.back-top:hover { background: var(--bg-2); }
.back-top:focus-visible { outline-offset: 2px; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .product__cards { grid-template-columns: 1fr; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento__card--lg, .bento__card--wide { grid-column: span 2; }
  .bento__card--lg { grid-row: auto; min-height: 240px; }
  .suite__grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .steps { grid-template-columns: 1fr; gap: 8px; }
  .step__line { display: none; }
}

@media (max-width: 760px) {
  .nav__links, .nav__actions .btn { display: none; }
  .nav__toggle { display: flex; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .stat:nth-child(2)::after { display: none; }
  .hide-sm { display: none; }
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .healing__features { gap: 28px; }
  .section__lead--nowrap { white-space: normal; max-width: 60ch; }
  .footer__inner { flex-direction: column; align-items: center; gap: 20px; text-align: center; }
  .footer__meta { text-align: center; }
  .footer__disclaimer { white-space: normal; max-width: 52ch; margin-left: auto; margin-right: auto; }
}

@media (max-width: 480px) {
  .bento { grid-template-columns: 1fr; }
  .bento__card--lg, .bento__card--wide { grid-column: auto; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  * { scroll-behavior: auto !important; }
}