:root {
  --paper: #f2f6f4;
  --surface: #ffffff;
  --ink: #0a2e22;
  --ink-soft: #3d5a4f;
  --ink-faint: #6f8a7f;
  --green: #0e9f6e;
  --green-strong: #0b7f57;
  --green-ink: #0a6e4b;
  --track: #cfeadf;
  --rule: #d9e6df;
  --l0: #e4ece8;
  --l1: #cfeadf;
  --l2: #7fcdaa;
  --l3: #0e9f6e;
  --l4: #0b7f57;
  --radius-widget: 22px;
  --measure: 34rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #000000;
    --surface: #131417;
    --ink: #eef4f1;
    --ink-soft: #b5c7bf;
    --ink-faint: #7f948b;
    --green: #2fd39a;
    --green-strong: #5be8b5;
    --green-ink: #5be8b5;
    --track: #1e4437;
    --rule: #1f2a26;
    --l0: #16201c;
    --l1: #1e4437;
    --l2: #1f7a58;
    --l3: #2fd39a;
    --l4: #5be8b5;
  }
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Figtree", system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--green-ink); text-underline-offset: 0.18em; }
a:hover { color: var(--green-strong); }
:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3 {
  font-family: "Bricolage Grotesque", "Figtree", sans-serif;
  font-optical-sizing: auto;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}

h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); font-weight: 800; }
h2 { font-size: clamp(1.9rem, 4vw, 2.75rem); font-weight: 750; }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; }

p { margin: 0; }

.wrap { width: min(72rem, 100% - 2.5rem); margin-inline: auto; }

/* ---------- header ---------- */

.site-header { padding-block: 1.25rem; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 750;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }

.site-nav { display: flex; gap: 1.4rem; font-weight: 500; }
.site-nav a { color: var(--ink-soft); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }

/* ---------- hero ---------- */

.hero { padding-block: clamp(2.5rem, 7vw, 5.5rem) clamp(3rem, 8vw, 6rem); }
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-copy { max-width: 32rem; }
.hero-copy p { margin-top: 1.4rem; font-size: 1.2rem; color: var(--ink-soft); }

.store-badge { margin-top: 2rem; }
.store-badge a { display: inline-block; }
.store-badge img { display: block; height: 64px; width: auto; }
.store-badge small { display: block; margin-top: 0.6rem; color: var(--ink-soft); font-size: 0.85rem; }

/* The hero's one moment: a month of day squares filling in, the widget on top. */
.month {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: clamp(6px, 1.1vw, 10px);
  padding-bottom: 18%;
}
.month span {
  aspect-ratio: 1;
  border-radius: 22%;
  background: var(--l0);
  animation: fill 0.5s cubic-bezier(.2,.7,.3,1) both;
  animation-delay: calc(var(--i) * 28ms + 150ms);
}
.month span[data-l="1"] { --to: var(--l1); }
.month span[data-l="2"] { --to: var(--l2); }
.month span[data-l="3"] { --to: var(--l3); }
.month span[data-l="4"] { --to: var(--l4); }
.month span[data-l] { background: var(--to); }
.month span.future { background: transparent; box-shadow: inset 0 0 0 1.5px var(--rule); animation: none; }

@keyframes fill {
  from { background: var(--l0); transform: scale(0.82); }
  to { transform: scale(1); }
}

.month .widget-float {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 92%;
  transform: translateX(-50%);
}

.widget-img { border-radius: var(--radius-widget); }
.widget-float .widget-img,
.lift { box-shadow: 0 1px 2px rgba(10, 46, 34, 0.08), 0 18px 40px -12px rgba(10, 46, 34, 0.28); }
@media (prefers-color-scheme: dark) {
  .widget-float .widget-img, .lift { box-shadow: 0 0 0 1px #24302b, 0 18px 40px -12px rgba(0, 0, 0, 0.8); }
}

/* ---------- feature rows ---------- */

.feature { padding-block: clamp(3.5rem, 8vw, 6.5rem); border-top: 1px solid var(--rule); }
.feature .wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.feature.flip .wrap { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
.feature.flip .feature-copy { order: 2; }

.feature-copy { max-width: var(--measure); }
.feature-copy p { margin-top: 1.1rem; color: var(--ink-soft); }
.feature-copy ul { margin: 1.4rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.7rem; }
.feature-copy li { padding-left: 1.6rem; position: relative; color: var(--ink-soft); }
.feature-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 3px;
  background: var(--green);
}

.trackers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(12px, 2vw, 20px); }
.trackers .wide { grid-column: span 2; }

.sizes { display: grid; grid-template-columns: minmax(0, 0.47fr) minmax(0, 1fr); gap: clamp(12px, 2vw, 20px); align-items: end; }
.sizes .stack { display: grid; gap: clamp(12px, 2vw, 20px); }

.pair { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(12px, 2vw, 20px); }
.pair .offset { width: 82%; justify-self: end; margin-top: -14%; }

.calendar-img { border-radius: 26px; }

/* ---------- privacy band ---------- */

.band { background: var(--surface); }
@media (prefers-color-scheme: dark) { .band { background: #0c0f0e; } }
.band .wrap { padding-block: clamp(3.5rem, 8vw, 6rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); }
.band p { margin-top: 1.1rem; color: var(--ink-soft); max-width: var(--measure); }

/* ---------- pricing ---------- */

.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 2.2rem; }
.plan { padding: 1.6rem 1.6rem 1.8rem; border-radius: 20px; background: var(--surface); border: 1px solid var(--rule); }
.plan.pro { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.plan .price { font-family: "Bricolage Grotesque", sans-serif; font-size: 2rem; font-weight: 800; margin-top: 0.4rem; letter-spacing: -0.02em; }
.plan .price small { font-family: "Figtree", sans-serif; font-size: 0.95rem; font-weight: 500; letter-spacing: 0; opacity: 0.75; }
.plan ul { margin: 1.2rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.55rem; }
.plan li { padding-left: 1.5rem; position: relative; }
.plan li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 0.6rem; height: 0.6rem; border-radius: 2.5px; background: var(--green); }
.plan.pro li::before { background: var(--l2); }
@media (prefers-color-scheme: dark) { .plan.pro li::before { background: #0b7f57; } }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--rule); padding-block: 2rem 3rem; color: var(--ink-faint); font-size: 0.95rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; gap: 1.4rem; }
.site-footer a { color: var(--ink-soft); }

/* ---------- document pages (privacy, support) ---------- */

.doc { padding-block: clamp(2rem, 6vw, 4rem) clamp(3rem, 8vw, 6rem); }
.doc .wrap { max-width: 44rem; }
.doc h1 { font-size: clamp(2.3rem, 5vw, 3.4rem); }
.doc .lede { margin-top: 1.1rem; font-size: 1.15rem; color: var(--ink-soft); }
.doc .updated { margin-top: 0.8rem; color: var(--ink-faint); font-size: 0.95rem; }
.doc h2 { font-size: 1.55rem; margin-top: 2.8rem; }
.doc h3 { margin-top: 1.8rem; }
.doc p, .doc ul, .doc ol { margin-top: 0.9rem; color: var(--ink-soft); }
.doc ul, .doc ol { padding-left: 1.3rem; }
.doc li + li { margin-top: 0.45rem; }
.doc strong { color: var(--ink); font-weight: 650; }
.doc table { width: 100%; border-collapse: collapse; margin-top: 1rem; font-size: 0.98rem; }
.doc th, .doc td { text-align: left; padding: 0.7rem 0.6rem 0.7rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; color: var(--ink-soft); }
.doc th { color: var(--ink); font-weight: 650; }
.doc details { border-bottom: 1px solid var(--rule); padding-block: 1rem; }
.doc details:first-of-type { border-top: 1px solid var(--rule); margin-top: 1.4rem; }
.doc summary { cursor: pointer; font-weight: 650; color: var(--ink); list-style-position: outside; }
.doc details p { margin-top: 0.7rem; }
.summary-box { margin-top: 1.8rem; padding: 1.3rem 1.4rem; border-radius: 18px; background: var(--surface); border: 1px solid var(--rule); }
.summary-box p:first-child { margin-top: 0; }

/* ---------- responsive ---------- */

@media (max-width: 820px) {
  .hero .wrap, .feature .wrap, .feature.flip .wrap, .band .wrap { grid-template-columns: minmax(0, 1fr); }
  .feature.flip .feature-copy { order: 0; }
  .hero-copy { max-width: none; }
  .site-nav { gap: 1rem; }
}

@media (max-width: 520px) {
  .plans { grid-template-columns: minmax(0, 1fr); }
  .sizes { grid-template-columns: minmax(0, 1fr); }
  .sizes .stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-nav a.hide-sm { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .month span { animation: none; }
}