/* Kloro, site. Direction « Instrument » : la couleur ne porte que l'état, le bleu ne sert qu'aux actions. */

:root {
  --canvas: #F5F6F7;
  --paper: #FFFFFF;
  --ink: #17191C;
  --ink2: #5C636B;
  --ink3: #90969E;
  --line: #D9DDE2;
  --line2: #E9ECEF;
  --action: #1877D2;
  --action-tint: #E8F0FB;
  --green: #1E8E3E;
  --green-cell: #CDEBD6;
  --green-text: #14612B;
  --amber: #B86E00;
  --amber-stroke: #E39A1C;
  --amber-tint: #FFF4E0;
  --red: #D0342C;
  --deep: #0E2F3F;
  --deep2: #163F52;
  --deep-text: #BFD6E0;
  --wash: #E3F1F5;

  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;

  --max: 1120px;
  --r: 14px;
  --r-lg: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--action); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--action); outline-offset: 3px; border-radius: 6px; }
img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 { font-family: var(--display); font-weight: 800; letter-spacing: -0.02em; line-height: 1.05; margin: 0; }
h1 { font-size: clamp(38px, 6vw, 68px); }
h2 { font-size: clamp(28px, 3.6vw, 40px); }
h3 { font-size: 20px; letter-spacing: -0.01em; line-height: 1.2; }
p { margin: 0; }

.mono { font-family: var(--mono); font-size: 14px; }
.eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: 0.02em; color: var(--ink2); }
.eyebrow b { color: var(--amber); font-weight: 600; }

/* ---------- En-tête ---------- */

header.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: var(--max); margin: 0 auto; padding: 22px 24px;
}
header.top .brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 800; font-size: 22px; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; }
.mark { width: 26px; height: 26px; border-radius: 7px; }
header.top nav { display: flex; align-items: center; gap: 22px; }
header.top nav a { font-size: 15px; font-weight: 600; color: var(--ink2); text-decoration: none; }
header.top nav a:hover { color: var(--ink); }
header.top nav a.pill { color: var(--ink); background: var(--paper); border: 1px solid var(--line); padding: 9px 14px; border-radius: 999px; }

main { max-width: var(--max); margin: 0 auto; padding: 0 24px 64px; }

/* ---------- Héros ---------- */

.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 48px; align-items: center; padding: 40px 0 56px; }
.hero .copy > * + * { margin-top: 18px; }
.hero h1 { max-width: 12ch; }
.hero h1 em { font-style: normal; color: var(--amber); }
.lead { font-size: 19px; color: var(--ink2); max-width: 46ch; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
.cta { display: inline-flex; align-items: center; gap: 10px; background: var(--action); color: #fff; font-weight: 700; padding: 15px 22px; border-radius: 999px; text-decoration: none; font-size: 17px; line-height: 1; white-space: nowrap; }
.cta:hover { background: #1568B8; }
.cta.secondary { background: var(--paper); color: var(--ink); border: 1px solid var(--line); }
.cta svg { width: 18px; height: 18px; }
.fineprint { font-size: 14px; color: var(--ink2); }

/* L'instrument : la carte du mois, telle que dans l'app. */
.instrument { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 18px 18px 16px; box-shadow: 0 30px 60px -40px rgba(14, 47, 63, 0.45); }
.instrument .head { display: flex; align-items: baseline; gap: 10px; }
.instrument .head .title { font-weight: 700; font-size: 16px; }
.instrument .head .pct { margin-left: auto; font-family: var(--display); font-weight: 800; font-size: 30px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.instrument .head .pct small { font-family: var(--body); font-weight: 600; font-size: 13px; color: var(--ink2); letter-spacing: 0; margin-left: 4px; }
.bar { height: 8px; background: var(--line2); border-radius: 999px; margin: 12px 0 14px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--green); border-radius: 999px; transition: width 900ms cubic-bezier(.2,.7,.2,1); }
.days { display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px; }
.days b {
  display: grid; place-items: center; height: 38px; border-radius: 8px;
  font-family: var(--body); font-weight: 600; font-size: 14px; font-variant-numeric: tabular-nums;
  background: var(--canvas); color: #B8BDC4; box-shadow: inset 0 0 0 2px transparent;
  transform: scale(0.94); opacity: 0.9;
  transition: background-color 220ms ease, color 220ms ease, box-shadow 220ms ease, transform 260ms cubic-bezier(.2,.7,.2,1), opacity 220ms ease;
}
.days b.on { transform: none; opacity: 1; }
.days b.ok { background: var(--green-cell); color: var(--green-text); }
.days b.miss { background: var(--paper); color: var(--amber); box-shadow: inset 0 0 0 2px var(--amber-stroke); }
.days b.bad { background: var(--red); color: #fff; }
.days b.today { background: var(--paper); color: var(--action); box-shadow: inset 0 0 0 2px var(--action); }
.missing { margin-top: 14px; display: grid; gap: 6px; }
.missing div { display: flex; gap: 12px; align-items: baseline; font-size: 14px; opacity: 0; transform: translateY(4px); transition: opacity 300ms ease, transform 300ms ease; }
.missing div.on { opacity: 1; transform: none; }
.missing span { font-family: var(--mono); font-size: 13px; color: var(--amber); width: 72px; flex: none; }
.missing strong { font-weight: 600; }
.instrument .caption { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line2); font-size: 13px; color: var(--ink3); }

/* ---------- Sections ---------- */

section { padding: 56px 0; border-top: 1px solid var(--line); }
section .intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: end; margin-bottom: 32px; }
section .intro p { color: var(--ink2); font-size: 17px; max-width: 52ch; }
section .intro .eyebrow { display: block; margin-bottom: 12px; }

/* Types de bassin : quatre colonnes, une par type, les fréquences en mono. */
.types { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.type { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: grid; gap: 12px; align-content: start; }
.type .letter { font-family: var(--display); font-weight: 800; font-size: 44px; letter-spacing: -0.03em; line-height: 1; }
.type .who { font-size: 14px; color: var(--ink2); min-height: 3.2em; }
.type dl { margin: 0; display: grid; gap: 8px; border-top: 1px solid var(--line2); padding-top: 12px; }
.type dt { font-size: 12px; color: var(--ink3); text-transform: uppercase; letter-spacing: 0.06em; }
.type dd { margin: 0; font-family: var(--mono); font-size: 14px; }

/* Écrans : trois téléphones, chacun avec son relevé en mono. */
.screens { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.screen { display: grid; gap: 16px; align-content: start; }
.phone { background: var(--ink); padding: 10px; border-radius: 34px; box-shadow: 0 40px 60px -40px rgba(14, 47, 63, 0.6); }
.phone img { border-radius: 26px; }
.screen h3 { margin-top: 4px; }
.screen p { color: var(--ink2); font-size: 15px; }
.readout { font-family: var(--mono); font-size: 13px; color: var(--ink2); background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; display: flex; gap: 14px; flex-wrap: wrap; }
.readout i { font-style: normal; color: var(--green); font-weight: 600; }
.readout i.warn { color: var(--amber); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink2); font-size: 15px; }

/* ---------- Bande sombre : l'offre ---------- */

.band { background: var(--deep); color: #fff; border-radius: var(--r-lg); padding: 48px; margin: 56px 0 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 40px; align-items: center; }
.band h2 { grid-column: 1; }
.band .sub { grid-column: 1; }
.band > .cta { grid-column: 2; grid-row: 1 / span 2; margin: 0; }
.band h2 { color: #fff; }
.band .sub { color: var(--deep-text); max-width: 56ch; margin-top: 10px; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 32px; }
.plan { background: var(--deep2); border-radius: var(--r); padding: 22px; display: grid; gap: 10px; align-content: start; }
.plan .name { font-weight: 700; font-size: 15px; color: var(--deep-text); }
.plan .price { font-family: var(--display); font-weight: 800; font-size: 40px; letter-spacing: -0.03em; line-height: 1; }
.plan .price small { font-family: var(--body); font-weight: 600; font-size: 14px; letter-spacing: 0; color: var(--deep-text); margin-left: 6px; }
.plan ul { margin: 6px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: 15px; color: #fff; }
.plan li::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--green-cell); margin: 0 10px 2px 0; }
.band .fineprint { color: var(--deep-text); margin-top: 22px; }
.band .cta { margin-top: 24px; background: #fff; color: var(--deep); }
.band .cta:hover { background: var(--wash); }

/* ---------- Références et pages texte ---------- */

.refs { display: grid; gap: 10px; }
.refs a { display: grid; grid-template-columns: 150px 1fr; gap: 16px; align-items: baseline; padding: 12px 0; border-top: 1px solid var(--line2); color: var(--ink); text-decoration: none; }
.refs a:hover { color: var(--action); }
.refs a span { font-family: var(--mono); font-size: 13px; color: var(--ink2); }
.note { border-left: 3px solid var(--line); padding: 8px 14px; color: var(--ink2); font-size: 15px; }

.page { max-width: 760px; margin: 0 auto; padding: 32px 0 0; border-top: none; }
.page h1 { font-size: clamp(34px, 5vw, 52px); }
.page > .lead { margin: 16px 0 12px; }
section.text { border: none; padding: 8px 0 0; max-width: 760px; margin: 0 auto; }
section.text h2 { font-size: 24px; margin: 36px 0 12px; }
section.text p, section.text li { color: var(--ink); font-size: 17px; margin-bottom: 12px; }
section.text ul { padding-left: 22px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 12px 0 20px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line2); vertical-align: top; }
th { color: var(--ink2); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; background: var(--canvas); }
tr:last-child td { border-bottom: none; }

footer { max-width: var(--max); margin: 0 auto; padding: 28px 24px 40px; color: var(--ink3); font-size: 13px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
footer a { color: var(--ink2); text-decoration: none; }
footer .legal { flex-basis: 100%; }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 24px; }
  .types { grid-template-columns: repeat(2, 1fr); }
  .screens { grid-template-columns: 1fr; max-width: 340px; margin: 0 auto; gap: 36px; }
  .plans { grid-template-columns: 1fr; }
  .band { padding: 32px 24px; grid-template-columns: 1fr; }
  .band > .cta { grid-column: 1; grid-row: auto; justify-self: start; }
  section .intro { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 600px) {
  header.top nav { gap: 14px; }
  header.top nav a:not(.pill) { display: none; }
  .types { grid-template-columns: 1fr; }
  .refs a { grid-template-columns: 1fr; gap: 4px; }
  .instrument { padding: 14px; }
  .days b { height: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  .days b, .missing div, .bar i { transition: none; }
}