/* baba. — design tokens lifted from the pitch deck */
:root {
  --ink:        #1D1D1F;
  --ink-2:      #6E6E73;
  --ink-3:      #A1A1A6;
  --line:       #E1E3E8;
  --line-2:     #C9CCD3;
  --surface:    #FFFFFF;
  --surface-2:  #F7F8FA;
  --surface-3:  #ECEDF1;

  --peach:      #F8D5C2;
  --blue:       #B7D6F1;
  --blue-deep:  #DCEBF8;
  --yellow:     #F6DF9A;
  --yellow-2:   #FDEFC8;
  --pink:       #F4B9C4;
  --pink-2:     #FBDDE2;
  --lilac:      #E6DFF7;
  --lilac-2:    #C9BBEE;
  --mint:       #D9F1E4;
  --cream:      #FFF4E4;

  --sans: "Helvetica Neue", Helvetica, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;

  --wrap: 1080px;
  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 32px;
  --pad: clamp(20px, 5vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

img, svg { max-width: 100%; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- type ---------- */
h1, h2, h3 { font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; margin: 0; }
h1 { font-size: clamp(2.6rem, 7vw, 4.6rem); }
h2 { font-size: clamp(2rem, 4.6vw, 3.1rem); }
h3 { font-size: clamp(1.05rem, 1.7vw, 1.2rem); letter-spacing: -0.02em; }
p  { margin: 0; }

.lede { font-size: clamp(1.05rem, 1.9vw, 1.3rem); color: var(--ink-2); max-width: 34ch; }
.eyebrow {
  font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3); margin: 0 0 18px;
}

/* ---------- skip link ---------- */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 0 0 var(--r-sm) 0;
}
.skip:focus { left: 0; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.05em; text-decoration: none; color: var(--ink); }
.brand span { color: var(--lilac-2); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: .93rem;
  padding: 11px 22px; border-radius: 999px; border: 1px solid transparent;
  background: var(--ink); color: #fff; text-decoration: none; cursor: pointer;
  transition: transform .18s ease, opacity .18s ease;
}
.btn:hover { transform: translateY(-1px); opacity: .9; }
.btn:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-sm { padding: 9px 18px; font-size: .87rem; }

:where(a, button, input, summary):focus-visible {
  outline: 2px solid var(--lilac-2); outline-offset: 3px; border-radius: 6px;
}

/* ---------- hero ---------- */
.hero { padding: clamp(48px, 8vw, 104px) 0 clamp(40px, 6vw, 80px); overflow: hidden; }
.hero .wrap {
  display: grid; gap: clamp(32px, 6vw, 64px);
  grid-template-columns: 1fr; align-items: center;
}
@media (min-width: 900px) { .hero .wrap { grid-template-columns: 1.05fr .95fr; } }

.hero h1 { margin-bottom: 20px; }
.hero h1 em { font-style: normal; display: block; color: var(--ink-2); }
.hero .lede { margin-bottom: 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-note { font-size: .82rem; color: var(--ink-3); margin-top: 16px; }

.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.badge {
  font-size: .74rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px; background: var(--surface-3); color: var(--ink-2);
}

/* ---------- bottle demo ---------- */
.demo { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.demo-stage {
  width: 100%; max-width: 320px; aspect-ratio: 200 / 430; max-height: 560px;
  background: radial-gradient(120% 90% at 50% 12%, var(--cream) 0%, var(--surface-2) 55%, var(--surface-2) 100%);
  border-radius: var(--r-lg); border: 1px solid var(--line);
  display: grid; place-items: center; padding: 18px;
}
.demo-stage svg { height: 100%; width: auto; }

.twist-ring-group { transform-box: fill-box; transform-origin: center; transition: transform 1s cubic-bezier(.65,0,.35,1); }
.is-mixed .twist-ring-group { transform: rotate(160deg); }

.powder { transition: opacity .5s ease .25s, transform .8s cubic-bezier(.5,0,.5,1) .25s; transform-box: fill-box; }
.is-mixed .powder { opacity: 0; transform: translateY(150px); }

.water-fill { transition: fill 1s ease .5s; }
.is-mixed .water-fill { fill: #FBF6EC; }

.sparkle { opacity: 0; transition: opacity .4s ease; }
.is-mixed .sparkle { opacity: 1; }

.demo-caption { font-size: .84rem; color: var(--ink-3); text-align: center; min-height: 1.4em; }

/* ---------- sections ---------- */
section { padding: clamp(56px, 9vw, 112px) 0; }
.section-head { max-width: 46ch; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head .lede { max-width: 46ch; margin-top: 16px; }

.tint { background: var(--surface-2); }

/* ---------- problem grid ---------- */
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 26px 24px 28px;
}
.card .dot { width: 34px; height: 34px; border-radius: 10px; margin-bottom: 18px; display: block; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: .94rem; }

/* ---------- steps ---------- */
.steps { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); counter-reset: step; }
.step { padding: 28px 26px 32px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); }
.step .num {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  font-weight: 700; font-size: .95rem; margin-bottom: 20px;
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--ink-2); font-size: .94rem; }

/* ---------- anatomy ---------- */
.anatomy { display: grid; gap: clamp(28px, 5vw, 56px); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 860px) { .anatomy { grid-template-columns: .85fr 1.15fr; } }
.anatomy-art { display: grid; place-items: center; }
.anatomy-art svg { max-height: 460px; width: auto; }
.spec-list { display: grid; gap: 2px; }
.spec {
  display: grid; grid-template-columns: 44px 1fr; gap: 18px; align-items: start;
  padding: 20px 0; border-top: 1px solid var(--line);
}
.spec:last-child { border-bottom: 1px solid var(--line); }
.spec .swatch { width: 44px; height: 44px; border-radius: 12px; }
.spec h3 { margin-bottom: 5px; }
.spec p { color: var(--ink-2); font-size: .94rem; }

/* ---------- comparison ---------- */
.compare { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.compare > div { border-radius: var(--r-md); padding: 30px 28px 34px; }
.compare .old { background: var(--surface-3); }
.compare .new { background: var(--mint); }
.compare .tag {
  font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-2); display: block; margin-bottom: 14px;
}
.compare p { font-size: 1.02rem; }

/* ---------- picker ---------- */
.picker { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.pick { border: 1px solid var(--line); border-radius: var(--r-md); padding: 26px 24px 30px; background: var(--surface); }
.pick .eyebrow { margin-bottom: 14px; }
.pick ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.pick li { font-size: .94rem; color: var(--ink-2); }
.pick li b { color: var(--ink); font-weight: 600; display: block; }

/* ---------- waitlist ---------- */
.waitlist { background: var(--ink); color: #fff; border-radius: var(--r-lg); padding: clamp(40px, 6vw, 72px) var(--pad); text-align: center; }
.waitlist h2 { margin-bottom: 16px; }
.waitlist .lede { color: rgba(255,255,255,.72); margin-inline: auto; max-width: 44ch; }
.form { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 32px auto 0; max-width: 480px; }
.form input[type="email"] {
  flex: 1 1 240px; font: inherit; font-size: .98rem; padding: 13px 20px;
  border-radius: 999px; border: 1px solid rgba(255,255,255,.24);
  background: rgba(255,255,255,.08); color: #fff;
}
.form input::placeholder { color: rgba(255,255,255,.45); }
.form input:focus { outline: 2px solid var(--lilac-2); outline-offset: 2px; }
.form .btn { background: #fff; color: var(--ink); flex: 0 0 auto; }
.form-msg { margin-top: 18px; font-size: .9rem; min-height: 1.4em; color: var(--peach); }
.form-msg[data-state="ok"] { color: var(--mint); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding: 56px 0 64px; }
.foot-grid { display: flex; flex-wrap: wrap; gap: 28px; justify-content: space-between; align-items: flex-start; }
.site-foot p, .site-foot a { font-size: .9rem; color: var(--ink-2); }
.site-foot a { text-decoration: none; }
.site-foot a:hover { color: var(--ink); text-decoration: underline; }
.foot-links { display: flex; flex-wrap: wrap; gap: 18px; }
.fine { margin-top: 34px; font-size: .8rem; color: var(--ink-3); max-width: 60ch; }