:root {
  --ground: #FDF7F9; --card: #FFFFFF; --ink: #3A3340; --muted: #8A7D87;
  --pink: #E8447C; --pink-soft: #F6E3EA; --teal: #2BB3A3; --teal-soft: #E4F5F2;
  --sun: #F5B940; --shadow: 0 14px 34px -18px rgba(58, 51, 64, .35);
  --hair: #F0E4EA;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #1C1520; --card: #2A2130; --ink: #F2E8F0; --muted: #A99CA8;
    --pink: #F0568C; --pink-soft: #402437; --teal: #35C9B8; --teal-soft: #1F3A36;
    --sun: #FFC94D; --shadow: 0 14px 34px -18px rgba(0, 0, 0, .6);
    --hair: #352A3C;
  }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--ground); color: var(--ink); line-height: 1.65;
}
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.25rem; }

/* header */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--hair);
}
header.site .wrap { display: flex; align-items: center; gap: 1.5rem; padding-top: .7rem; padding-bottom: .7rem; }
.logo { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.15rem; color: var(--ink); }
.logo img { width: 34px; height: 34px; border-radius: 8px; }
nav.main { margin-left: auto; display: flex; gap: 1.2rem; align-items: center; font-size: .92rem; font-weight: 600; }
nav.main a { color: var(--muted); }
.btn {
  display: inline-block; background: var(--pink); color: #fff !important;
  font-weight: 700; padding: .55rem 1.2rem; border-radius: 999px; text-decoration: none !important;
}
.btn.big { padding: .8rem 1.8rem; font-size: 1.05rem; }
.btn.ghost { background: var(--teal-soft); color: var(--teal) !important; }

/* hero */
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; padding: 4.5rem 0 3.5rem; }
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.2rem); line-height: 1.12; letter-spacing: -.02em; font-weight: 850; }
.hero h1 em { font-style: normal; color: var(--pink); }
.hero p.lead { font-size: 1.15rem; color: var(--muted); margin: 1.2rem 0 1.8rem; max-width: 34rem; }
.hero .cta-row { display: flex; gap: .9rem; align-items: center; flex-wrap: wrap; }
.hero .note { font-size: .85rem; color: var(--muted); margin-top: .8rem; }
.phone {
  border-radius: 2.4rem; box-shadow: var(--shadow); border: 6px solid #14101a;
  overflow: hidden; max-width: 300px; margin: 0 auto; background: #14101a;
}
.phone img { display: block; border-radius: 1.9rem; }

/* sections */
section { padding: 3.5rem 0; }
section.alt { background: var(--card); border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
h2.sec { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; letter-spacing: -.01em; margin-bottom: .6rem; }
p.sub { color: var(--muted); max-width: 40rem; margin-bottom: 2rem; }
.center { text-align: center; }
.center p.sub { margin-left: auto; margin-right: auto; }

/* calculator */
.calc {
  background: var(--card); border-radius: 24px; box-shadow: var(--shadow);
  padding: 2rem; max-width: 34rem; margin: 0 auto;
}
.calc label { font-weight: 700; display: block; margin-bottom: .5rem; }
.calc input[type="date"] {
  font-size: 1.1rem; padding: .6rem .9rem; border-radius: 12px;
  border: 2px solid var(--pink-soft); background: var(--ground); color: var(--ink); width: 100%;
}
.calc .result { margin-top: 1.5rem; display: none; }
.calc .result.show { display: block; }
.calc .big-number {
  font-size: clamp(2.4rem, 7vw, 3.6rem); font-weight: 900; color: var(--pink);
  font-variant-numeric: tabular-nums; line-height: 1.1; text-align: center;
}
.calc .unit { text-align: center; color: var(--teal); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: .8rem; margin-bottom: 1rem; }
.calc .facts { font-size: .95rem; color: var(--muted); text-align: center; }
.calc .next {
  margin-top: 1.2rem; background: var(--teal-soft); color: var(--teal);
  border-radius: 14px; padding: .9rem 1.1rem; font-weight: 700; text-align: center;
}

/* milestone table */
table.milestones { border-collapse: collapse; width: 100%; max-width: 40rem; margin: 0 auto; }
table.milestones th, table.milestones td { padding: .65rem .9rem; text-align: start; border-bottom: 1px solid var(--hair); }
table.milestones th { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
table.milestones td.n { font-weight: 800; color: var(--pink); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* stories */
.stories { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.story { background: var(--card); border-radius: 20px; box-shadow: var(--shadow); padding: 1.6rem; }
.story .who { display: flex; align-items: center; gap: .8rem; margin-bottom: .9rem; }
.story .avatar {
  width: 46px; height: 46px; border-radius: 50%; color: #fff; font-weight: 800;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex: none;
}
.story .who b { display: block; }
.story .who span { font-size: .8rem; color: var(--muted); }
.story p { font-size: .95rem; }
.story .milestone-tag { display: inline-block; margin-top: .9rem; background: var(--pink-soft); color: var(--pink); font-weight: 800; font-size: .8rem; padding: .25rem .7rem; border-radius: 999px; }

/* features */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.2rem; }
.feature { background: var(--card); border-radius: 18px; padding: 1.3rem 1.4rem; box-shadow: var(--shadow); }
.feature .emoji { font-size: 1.6rem; }
.feature b { display: block; margin: .5rem 0 .2rem; }
.feature p { font-size: .88rem; color: var(--muted); }

/* screenshots row */
.shots { display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap; }
.shots figure { max-width: 260px; }
.shots figcaption { text-align: center; font-size: .85rem; color: var(--muted); margin-top: .7rem; }

/* article/doc pages */
article.doc { max-width: 44rem; margin: 0 auto; padding: 3rem 0 4rem; }
article.doc h1 { font-size: 2rem; font-weight: 850; margin-bottom: .4rem; }
article.doc .updated { color: var(--muted); font-size: .85rem; margin-bottom: 2rem; }
article.doc h2 { font-size: 1.25rem; font-weight: 750; margin: 2rem 0 .6rem; }
article.doc ul { padding-left: 1.2rem; margin: .6rem 0; }
article.doc li { margin: .35rem 0; }
.tldr {
  background: var(--teal-soft); color: var(--ink); border-radius: 16px;
  padding: 1.1rem 1.3rem; font-weight: 600; margin: 1.2rem 0 1.8rem;
}
details.faq { border-bottom: 1px solid var(--hair); padding: .9rem 0; }
details.faq summary { font-weight: 700; cursor: pointer; }
details.faq p { margin-top: .6rem; color: var(--muted); }

/* footer */
footer.site { border-top: 1px solid var(--hair); padding: 2.5rem 0 3rem; margin-top: 2rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; justify-content: space-between; font-size: .88rem; color: var(--muted); }
footer.site nav { display: flex; gap: 1.2rem; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 2.5rem; }
  .phone { max-width: 240px; }
  nav.main a.hide-sm { display: none; }
}