/* ============================================================================
   FlowKeeper — marketing site · "Calm Glass"
   Modern, calming soft-UI with liquid glass: frosted translucent chrome,
   rounded forms, hairline borders, soft ambient shadows, a single fixed
   periwinkle accent, and quiet motion. Body: Hanken Grotesk · tiny mono
   labels: Space Mono. Light theme. Motion respects reduced-motion.
   ========================================================================== */

/* ----------------------------------------------------------------- Tokens */
:root {
  /* cool calm neutrals */
  --paper:   #F5F6FB;   /* cool canvas */
  --paper-2: #EDF0F7;   /* alt section band / inset fills */
  --panel:   #FFFFFF;
  --ink:     #1C1F2A;   /* primary text/icons */
  --ink-2:   #5B6275;   /* secondary text */
  --ink-3:   #8C92A3;   /* tertiary / captions */
  --line:    rgba(28,31,42,.10);   /* hairline divider */
  --line-2:  rgba(28,31,42,.14);

  /* glass — translucent surfaces (blur + tint) */
  --glass:        rgba(255,255,255,.62);
  --glass-strong: rgba(255,255,255,.74);
  --glass-stroke: rgba(255,255,255,.75);
  --glass-edge:   rgba(20,22,30,.06);

  /* single fixed brand accent — periwinkle */
  --accent:      #6E7BEB;
  --accent-press:#5A63CC;
  --accent-soft: #E9EBFB;
  --accent-text: #4B53B8;   /* AA on light surfaces */
  --on-accent:   #FFFFFF;

  /* legacy accent aliases → all resolve to the single periwinkle accent
     (kept so older inline rules don't break; phase hues live below) */
  --rose:#6E7BEB;  --rose-ink:#4B53B8;  --rose-soft:#E9EBFB;
  --lav:#6E7BEB;   --lav-ink:#4B53B8;   --lav-soft:#E9EBFB;
  --ocean:#6E7BEB; --ocean-ink:#4B53B8; --ocean-soft:#E9EBFB;
  --sage:#3FB07A;  --sage-ink:#2E8C5E;  --sage-soft:#DCF1E6;
  --sunset:#6E7BEB;--sunset-ink:#4B53B8;--sunset-soft:#E9EBFB;

  /* functional / cycle phase colors (calmed, distinct hues) */
  --period:#E05674;  --fertile:#B98FD6; --ovulation:#3FB6A6;
  --follicular:#86C2E0; --luteal:#E8B488;
  --success:#3FB07A; --danger:#E0584F;

  --code: #232838;   /* softened dark surface (eq panels) */

  /* shape */
  --bw: 1px;                 /* hairline border weight */
  --r:  20px;                /* default card radius */
  --r-sm: 10px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px; --r-pill: 999px;

  /* soft, blurred ambient shadows */
  --sh-1: 0 2px 8px rgba(30,34,60,.08);
  --sh-2: 0 10px 28px rgba(30,34,60,.12);
  --sh-3: 0 20px 48px rgba(30,34,60,.16);

  /* fonts */
  --font-display: "Hanken Grotesk", ui-rounded, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-sans: "Hanken Grotesk", ui-rounded, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Space Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1180px;
  --maxw-prose: 820px;
  --nav-h: 70px;
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px;
}

/* ------------------------------------------------------------------- Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0; color: var(--ink);
  background:
    radial-gradient(60vw 50vh at 12% -8%, rgba(110,123,235,.12), transparent 60%),
    radial-gradient(55vw 45vh at 100% 2%, rgba(224,86,116,.06), transparent 55%),
    radial-gradient(70vw 60vh at 50% 118%, rgba(63,182,166,.06), transparent 60%),
    linear-gradient(180deg, #FAFBFE, var(--paper) 42%, #EAEDF8);
  background-attachment: fixed;
  font-family: var(--font-sans); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.08;
  letter-spacing: -.01em; margin: 0; color: var(--ink); }
p { margin: 1em 0; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { color: var(--accent-press); text-decoration: underline; text-decoration-thickness: 2px;
  text-underline-offset: 2px; text-decoration-color: var(--accent); }
img, svg { display: block; max-width: 100%; }
strong, b { font-weight: 700; }
::selection { background: var(--accent-soft); color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ------------------------------------------------------------- Utilities */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(18px, 5vw, 44px); }
.section { padding: clamp(54px, 8vw, 104px) 0; position: relative; }
.section--tint { background: var(--paper-2); border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line); }
.section--ink { background: linear-gradient(180deg, #232838, #1A1E29); color: #ECEEF5;
  border-top: 1px solid rgba(255,255,255,.06); border-bottom: 1px solid rgba(255,255,255,.06); }
.section--ink h1, .section--ink h2, .section--ink h3 { color: #ECEEF5; }
.center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.measure { max-width: 60ch; }
.measure-narrow { max-width: 46ch; }

/* eyebrow = quiet pill chip */
.eyebrow {
  font-family: var(--font-mono); font-weight: 700; font-size: 12px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent-text); display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--line); background: var(--glass-strong);
  -webkit-backdrop-filter: blur(20px) saturate(150%); backdrop-filter: blur(20px) saturate(150%);
  padding: 7px 14px 6px; border-radius: var(--r-pill); box-shadow: var(--sh-1);
}
.eyebrow .dot { width: 9px; height: 9px; background: var(--accent); border-radius: 50%; flex: none; }
.section--ink .eyebrow { background: rgba(255,255,255,.08); color: #C8CCFF; border-color: rgba(255,255,255,.16);
  box-shadow: none; }
.section--tint .eyebrow { background: var(--glass-strong); }

.h-display { font-size: clamp(40px, 7.4vw, 74px); line-height: 1.04; letter-spacing: -.02em; font-weight: 700; }
.h-section { font-size: clamp(28px, 4.6vw, 44px); line-height: 1.06; letter-spacing: -.018em; font-weight: 700; }
.h-card    { font-size: clamp(21px, 2.6vw, 27px); }
.lead { font-size: clamp(17px, 2.1vw, 21px); color: var(--ink-2); line-height: 1.5; }
.section--ink .lead { color: #B7BDCE; }
.small { font-size: 14.5px; color: var(--ink-2); }
.eq-mono { font-family: var(--font-mono); }

/* soft highlighter for key words in headings */
.mark { background: var(--accent-soft); color: var(--accent-text); padding: .02em .14em;
  border-radius: 6px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.mark.lav { background: var(--accent-soft); color: var(--accent-text); }
.mark.sage { background: var(--sage-soft); color: var(--sage-ink); }

/* soft rounded badge (no rotation/skew) */
.sticker { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono);
  font-weight: 700; font-size: 12px; letter-spacing: .04em;
  background: var(--glass-strong); color: var(--accent-text); border: 1px solid var(--glass-stroke);
  -webkit-backdrop-filter: blur(18px) saturate(150%); backdrop-filter: blur(18px) saturate(150%);
  padding: 8px 13px; box-shadow: var(--sh-1); border-radius: var(--r-pill); }

/* ------------------------------------------------------------------ Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-sans); font-weight: 700; font-size: 15px; letter-spacing: 0;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  padding: 13px 24px; border: 1px solid transparent; background: var(--panel); color: var(--ink);
  box-shadow: var(--sh-1); border-radius: var(--r-pill);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: var(--sh-2); }
.btn:active { transform: scale(.99); box-shadow: var(--sh-1); }
.btn--primary { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.btn--primary:hover { background: var(--accent-press); color: var(--on-accent); }
.btn--ghost   { background: var(--accent-soft); color: var(--accent-text); border-color: transparent; }
.btn--light   { background: #fff; color: var(--ink); border-color: var(--line); }
.btn--lg { padding: 16px 30px; font-size: 16px; }
.btn .ic { width: 18px; height: 18px; }
.section--ink .btn--ghost { background: rgba(255,255,255,.10); color: #ECEEF5; border-color: rgba(255,255,255,.18);
  box-shadow: none; }
.section--ink .btn--ghost:hover { background: rgba(255,255,255,.16); }

.linklike { color: var(--accent-text); font-weight: 700; font-size: 15px; letter-spacing: 0;
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none; border-bottom: 2px solid var(--accent); padding-bottom: 2px; }
.linklike .ic { width: 18px; height: 18px; transition: transform .18s ease; }
.linklike:hover { color: var(--accent-press); text-decoration: none; }
.linklike:hover .ic { transform: translateX(4px); }
.section--ink .linklike { color: #C8CCFF; border-bottom-color: var(--accent); }
.section--ink .linklike:hover { color: #E1E4FF; }

/* --------------------------------------------------------- Scroll progress */
.scrollbar { position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: var(--accent); z-index: 200; border-radius: 0 var(--r-pill) var(--r-pill) 0; }

/* ----------------------------------------------------------------- Navbar */
.nav { position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  background: var(--glass);
  -webkit-backdrop-filter: blur(26px) saturate(150%); backdrop-filter: blur(26px) saturate(150%);
  border-bottom: 1px solid var(--glass-stroke);
  box-shadow: var(--sh-1); }
.nav__inner { max-width: var(--maxw); margin: 0 auto; height: 100%;
  padding: 0 clamp(18px, 5vw, 44px); display: flex; align-items: center; gap: 16px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display);
  font-weight: 700; font-size: 22px; color: var(--ink); letter-spacing: -.01em;
  text-decoration: none; }
.brand:hover { text-decoration: none; color: var(--ink); }
.brand__mark { width: 30px; height: 30px; flex: none; }

.nav__links { display: flex; align-items: center; gap: 2px; margin-left: 16px; }
.nav__spacer { flex: 1; }
.nav__link { position: relative; display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-sans); font-weight: 600; font-size: 14.5px; color: var(--ink);
  padding: 9px 14px; text-decoration: none; border-radius: var(--r-pill);
  transition: background .16s ease, color .16s ease; }
.nav__link:hover { background: var(--accent-soft); color: var(--accent-text); text-decoration: none; }
.nav__link[aria-current="page"] { background: var(--accent-soft); color: var(--accent-text); }
.nav__link .chev { width: 15px; height: 15px; transition: transform .18s ease; }

.nav__item { position: relative; }
.nav__menu { position: absolute; top: calc(100% + 10px); left: 0; min-width: 280px;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(26px) saturate(150%); backdrop-filter: blur(26px) saturate(150%);
  border: 1px solid var(--glass-stroke); box-shadow: var(--sh-2); padding: 8px; border-radius: var(--r-lg);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s; }
.nav__item:hover .nav__menu, .nav__item:focus-within .nav__menu {
  opacity: 1; visibility: visible; transform: translateY(0); }
.nav__item:hover .chev, .nav__item:focus-within .chev { transform: rotate(180deg); }
.nav__menu a { display: flex; gap: 12px; align-items: flex-start; padding: 11px 12px; color: var(--ink);
  text-decoration: none; border-radius: var(--r-md); }
.nav__menu a:hover { background: var(--accent-soft); color: var(--ink); text-decoration: none; }
.nav__menu a:hover .md { color: var(--ink-2); }
.nav__menu a[aria-current="page"] { background: var(--accent-soft); }
.nav__menu .mi { width: 36px; height: 36px; flex: none; border-radius: var(--r-md);
  display: grid; place-items: center; }
.nav__menu .mi svg { width: 18px; height: 18px; }
.nav__menu .mt { font-family: var(--font-sans); font-weight: 700; font-size: 14.5px; line-height: 1.25; }
.nav__menu .md { font-size: 12.5px; color: var(--ink-2); line-height: 1.35; margin-top: 2px; }

.nav__cta { margin-left: 6px; padding: 10px 18px; box-shadow: var(--sh-1); }
.nav__cta:hover { transform: translateY(-1px); box-shadow: var(--sh-2); }

.nav__burger { display: none; margin-left: auto; width: 46px; height: 46px;
  border: 1px solid var(--line); background: var(--glass-strong); cursor: pointer;
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
  align-items: center; justify-content: center; box-shadow: var(--sh-1); border-radius: var(--r-md); }
.nav__burger svg { width: 22px; height: 22px; }
.nav__burger .x { display: none; }
body.menu-open .nav__burger .bars { display: none; }
body.menu-open .nav__burger .x { display: block; }

.mobilenav { display: none; }
@media (max-width: 940px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: inline-flex; }
  .mobilenav { display: block; position: fixed; inset: var(--nav-h) 0 0 0; z-index: 99;
    background: var(--glass-strong);
    -webkit-backdrop-filter: blur(26px) saturate(150%); backdrop-filter: blur(26px) saturate(150%);
    padding: 8px clamp(18px,5vw,44px) 40px; overflow-y: auto;
    transform: translateX(100%); transition: transform .26s cubic-bezier(.4,0,.2,1);
    border-left: 1px solid var(--glass-stroke); }
  body.menu-open { overflow: hidden; }
  body.menu-open .mobilenav { transform: translateX(0); }
  .mobilenav a { display: block; font-family: var(--font-display); font-weight: 700; font-size: 28px;
    color: var(--ink); padding: 16px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
  .mobilenav a:hover { text-decoration: none; color: var(--accent-text); }
  .mobilenav .sub { font-family: var(--font-sans); font-weight: 600; font-size: 18px; padding-left: 18px;
    color: var(--ink-2); }
  .mobilenav .grouplabel { font-family: var(--font-mono); font-weight: 700; font-size: 12px;
    letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin: 22px 0 2px; }
  .mobilenav a.btn { width: 100%; margin-top: 26px; border-bottom: 0;
    font-family: var(--font-sans); font-size: 17px; box-shadow: var(--sh-1); border-radius: var(--r-pill); }
  .mobilenav a.btn--primary { color: var(--on-accent); }
}
@media (prefers-reduced-motion: reduce) { .mobilenav { transition: none; } }

/* --------------------------------------------------------------- Marquee */
/* Calmed: a quiet, slow, low-contrast caption strip — not a kinetic banner. */
.marquee { background: var(--paper-2); color: var(--ink-2); overflow: hidden; padding: 16px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.marquee__track { display: inline-flex; white-space: nowrap; will-change: transform;
  animation: marq 90s linear infinite; }
.marquee__track span { font-family: var(--font-sans); font-weight: 600;
  font-size: clamp(15px, 2vw, 19px); letter-spacing: .01em;
  padding: 0 20px; display: inline-flex; align-items: center; color: var(--ink-2); }
.marquee .star { color: var(--accent); padding: 0 8px; }
@keyframes marq { to { transform: translateX(-50%); } }
.marquee:hover .marquee__track { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* --------------------------------------------------------------- Sections */
.sec-head { max-width: 760px; }
.sec-head.center { margin-left: auto; margin-right: auto; }
.sec-head .eyebrow { margin-bottom: 18px; }
.sec-head .lead { margin-top: 16px; }

.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-sans);
  font-weight: 600; font-size: 13.5px; letter-spacing: 0; padding: 9px 15px; background: var(--panel);
  border: 1px solid var(--line); color: var(--ink-2); box-shadow: var(--sh-1); border-radius: var(--r-pill); }
.chip svg { width: 16px; height: 16px; flex: none; }

/* ------------------------------------------------------------ Card grids */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid--3, .grid--2, .grid--4 { grid-template-columns: 1fr; } }

.card { background: var(--panel); border: 1px solid var(--line); box-shadow: var(--sh-1);
  padding: 26px; border-radius: var(--r-lg);
  transition: transform .18s ease, box-shadow .18s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.card__icon { width: 52px; height: 52px; border-radius: var(--r-md); display: grid;
  place-items: center; margin-bottom: 18px; box-shadow: var(--sh-1); }
.card__icon svg { width: 25px; height: 25px; }
.card h3 { font-size: 22px; margin-bottom: 8px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--ink-2); font-size: 15.5px; }

/* soft tinted icon tiles — all map onto the accent-soft / phase-soft fills */
.a-rose   { background: var(--accent-soft); color: var(--accent-text); }
.a-lav    { background: var(--accent-soft); color: var(--accent-text); }
.a-ocean  { background: var(--accent-soft); color: var(--accent-text); }
.a-sage   { background: var(--sage-soft);   color: var(--sage-ink); }
.a-sunset { background: var(--accent-soft);  color: var(--accent-text); }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; border: 1px solid var(--line);
  background: var(--panel); box-shadow: var(--sh-1); border-radius: var(--r-lg); overflow: hidden; }
.stats .stat:not(:last-child) { border-right: 1px solid var(--line); }
@media (max-width: 700px){ .stats { grid-template-columns: repeat(2,1fr); }
  .stats .stat:nth-child(2){ border-right: 0; }
  .stats .stat:nth-child(-n+2){ border-bottom: 1px solid var(--line); } }
.stat { text-align: center; padding: 26px 12px; }
.stat__n { font-family: var(--font-display); font-weight: 700; font-size: clamp(34px,5vw,52px);
  line-height: 1; letter-spacing: -.02em; }
.stat__l { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--ink-2); margin-top: 10px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
@media (max-width: 820px){ .steps { grid-template-columns: 1fr; } }
.step-c { position: relative; background: var(--panel); border: 1px solid var(--line);
  box-shadow: var(--sh-1); padding: 28px 26px; border-radius: var(--r-lg);
  transition: transform .18s ease, box-shadow .18s ease; }
.step-c:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.step-c .n { font-family: var(--font-display); font-weight: 700; font-size: 20px; width: 46px; height: 46px;
  border-radius: var(--r-md); background: var(--accent-soft); color: var(--accent-text); display: grid;
  place-items: center; margin-bottom: 18px; }
.step-c h3 { font-size: 21px; margin-bottom: 8px; }
.step-c p { margin: 0; color: var(--ink-2); font-size: 15.5px; }

/* split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,5vw,64px); align-items: center; }
.split > * { min-width: 0; }
.split--reverse .split__media { order: 2; }
@media (max-width: 860px){ .split { grid-template-columns: 1fr; } .split--reverse .split__media { order: 0; } }

/* note callouts */
.note { border: 1px solid var(--line); background: var(--accent-soft); box-shadow: var(--sh-1);
  padding: 16px 18px; font-size: 15.5px; border-radius: var(--r-md);
  border-left: 4px solid var(--accent); }
.note.sage { background: var(--sage-soft); border-left-color: var(--sage); }
.note.rose { background: var(--accent-soft); border-left-color: var(--accent); }
.note .t { font-weight: 700; }

/* checklist */
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 13px; }
.checklist li { display: flex; gap: 13px; align-items: flex-start; font-size: 16px; }
.checklist .ck { width: 26px; height: 26px; flex: none; border-radius: 8px;
  background: var(--sage-soft); display: grid; place-items: center; margin-top: 1px; }
.checklist .ck svg { width: 15px; height: 15px; color: var(--sage-ink); }
.checklist .no { background: rgba(224,88,79,.16); }
.checklist .no svg { color: var(--danger); }
.section--ink .checklist .ck { background: rgba(63,176,122,.22); }
.section--ink .checklist .ck svg { color: #8FE0B4; }
.section--ink .checklist .no { background: rgba(240,131,121,.20); }
.section--ink .checklist .no svg { color: #F3A39B; }

/* ----------------------------------------------------------------- Footer */
.footer { background: linear-gradient(180deg, #1F2330, #16191F); color: #A7AEC0; padding: 64px 0 34px;
  border-top: 1px solid rgba(255,255,255,.06); }
.footer a { color: #C8CCDE; text-decoration: none; }
.footer a:hover { color: #fff; text-decoration: underline; text-decoration-color: var(--accent); }
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 760px){ .footer__top { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 460px){ .footer__top { grid-template-columns: 1fr; } }
.footer .brand { color: #ECEEF5; }
.footer__blurb { margin: 16px 0 0; max-width: 32ch; color: #8C92A3; font-size: 14.5px; }
.footer h4 { font-family: var(--font-mono); font-weight: 700; font-size: 12px; letter-spacing: .1em;
  text-transform: uppercase; color: #7A8095; margin-bottom: 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer ul a { font-size: 15px; }
.footer__bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.10);
  display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 12.5px; color: #7A8095; }
.footer__disc { max-width: 64ch; }

/* ------------------------------------------------------------- Reveal anim */
html.js .reveal { opacity: 0; transform: translateY(8px); transition: opacity .5s ease, transform .5s cubic-bezier(.2,.7,.2,1); }
html.js .reveal.in { opacity: 1; transform: none; }
html.js .reveal.d1 { transition-delay: .06s; }
html.js .reveal.d2 { transition-delay: .12s; }
html.js .reveal.d3 { transition-delay: .18s; }
html.js .reveal.d4 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .btn, .card, .step-c, .nav__menu, .nav__link { transition: none !important; }
}

/* signature ring guide — slowed to a calm drift, off under reduced motion */
@keyframes ring-rotate { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .ring-rotor { animation: none !important; } }