/* Kesmia — feuille de style unique */

@font-face {
  font-family: "Geist";
  src: url("/assets/fonts/geist-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Geist";
  src: url("/assets/fonts/geist-latin-ext-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #fbfbfc;
  --ink: #1a1c21;
  --muted: #5b6270;
  --line: #e3e6ec;
  --tint: #f0f2f7;
  --accent: #2d49f5;
  --accent-soft: #e8ecff;
  --wrap: 70rem;
  --gutter: clamp(1.25rem, 4vw, 2rem);
  --space-band: clamp(4.5rem, 10vw, 8rem);
  color-scheme: light;
}

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

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }

body {
  margin: 0;
  font-family: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: -4rem;
  background: var(--ink);
  color: #fff;
  padding: .6rem 1rem;
  border-radius: 8px;
  z-index: 100;
}
.skip:focus { inset-block-start: 1rem; }

.wrap {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin-inline: auto;
}

/* ---------- Typographie ---------- */

h1, h2, h3 {
  font-weight: 620;
  letter-spacing: -0.032em;
  line-height: 1.04;
  text-wrap: balance;
}
h1 { font-size: clamp(2.5rem, 5.2vw, 4.1rem); }
h2 { font-size: clamp(2rem, 4.2vw, 3.2rem); line-height: 1.08; }
h3 { font-size: 1.25rem; letter-spacing: -0.02em; line-height: 1.25; }

.lede {
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  line-height: 1.45;
  color: var(--muted);
  max-width: 34rem;
  text-wrap: pretty;
}
.muted { color: var(--muted); }
.fine { font-size: .875rem; color: var(--muted); line-height: 1.5; }

/* ---------- Boutons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: .75rem 1.5rem;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 560;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s ease;
}
.btn:hover { background: #2239d8; }
.btn-dark { background: var(--ink); }
.btn-dark:hover { background: #000; }
.btn-small { min-height: 2.5rem; padding: .5rem 1.1rem; font-size: .95rem; }

.link {
  font-weight: 540;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: .25em;
  text-decoration-color: var(--line);
  transition: text-decoration-color .15s ease;
}
.link:hover { text-decoration-color: currentColor; }

/* ---------- Navigation ---------- */

.nav {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: rgba(251, 251, 252, .82);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-block-end: 1px solid transparent;
}
.nav-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4rem;
}
.logo {
  font-weight: 650;
  font-size: 1.3rem;
  letter-spacing: -0.035em;
  text-decoration: none;
}
.nav-links { display: none; gap: 2rem; font-size: .95rem; color: var(--muted); }
.nav-links a { text-decoration: none; transition: color .15s ease; }
.nav-links a:hover { color: var(--ink); }
@media (min-width: 760px) { .nav-links { display: flex; } }

/* ---------- Bandes ---------- */

.band { padding-block: var(--space-band); }
.band.flush { padding-block-start: 0; }
.foot-tag { margin-block-start: .5rem; }
.band-tight { padding-block: clamp(3rem, 6vw, 5rem); }

/* ---------- Hero ---------- */

.hero { padding-block: clamp(2.5rem, 7vw, 5.5rem) var(--space-band); }
.hero-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  align-items: center;
}
@media (min-width: 920px) {
  .hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
}
.hero h1 .soft { color: var(--muted); }
.hero .lede { margin-block-start: 1.75rem; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
  margin-block-start: 2.25rem;
}
.hero-price { margin-block-start: 1.5rem; }

/* Démo de conversation */

.demo { display: grid; gap: 1rem; justify-items: center; }
.chat {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  box-shadow: 0 30px 60px -36px rgba(26, 28, 33, .28);
}
.chat-q { display: flex; justify-content: flex-end; }
.chat-q p {
  max-width: 88%;
  padding: .7rem 1rem;
  border-radius: 18px 18px 6px 18px;
  background: var(--ink);
  color: #fff;
  font-size: 1rem;
  line-height: 1.4;
}
.chat-a { margin-block-start: 1.4rem; min-height: 18.5rem; }
.a-intro { font-size: 1rem; color: var(--muted); }
.a-list { margin-block-start: .9rem; display: grid; gap: .35rem; }
.a-list li {
  display: grid;
  gap: .1rem;
  padding: .7rem .9rem;
  border-radius: 12px;
}
.a-list strong { font-weight: 600; letter-spacing: -0.01em; }
.a-list span { font-size: .93rem; color: var(--muted); line-height: 1.4; }
.a-list li.you { background: var(--accent-soft); }
.a-list li.you strong { color: var(--accent); }
.a-note {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-block-start: 1rem;
  padding: .5rem .85rem;
  border-radius: 999px;
  font-size: .93rem;
  font-weight: 560;
}
.a-note svg { width: 1.1rem; height: 1.1rem; flex: none; }
.a-note.absent { background: var(--tint); color: var(--ink); }
.a-note.present { background: var(--accent); color: #fff; }

.thinking { display: inline-flex; gap: .3rem; padding-block: .4rem; }
.thinking i {
  width: .45rem; height: .45rem; border-radius: 50%;
  background: var(--muted); opacity: .35;
  animation: pulse 1s ease-in-out infinite;
}
.thinking i:nth-child(2) { animation-delay: .15s; }
.thinking i:nth-child(3) { animation-delay: .3s; }
@keyframes pulse { 50% { opacity: 1; } }

.typing::after {
  content: "";
  display: inline-block;
  width: 2px; height: 1em;
  margin-inline-start: 2px;
  vertical-align: -.12em;
  background: currentColor;
  animation: blink 1s steps(2, start) infinite;
}
@keyframes blink { to { visibility: hidden; } }

.js .chat-q p,
.js .chat-a { visibility: hidden; }
.js.demo-ready .chat-q p,
.js.demo-ready .chat-a { visibility: visible; }

.reveal { opacity: 0; transform: translateY(6px); transition: opacity .35s ease, transform .35s ease; }
.reveal.in { opacity: 1; transform: none; }

.switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  padding: .3rem;
  border-radius: 999px;
  background: var(--tint);
}
.switch button {
  min-height: 2.6rem;
  padding: .4rem 1.3rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-weight: 560;
  font-size: .95rem;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease;
}
.switch button[aria-pressed="true"] {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(26, 28, 33, .14);
}
.switch button[data-mode="avec"][aria-pressed="true"] { color: var(--accent); }

/* ---------- Constat ---------- */

.statement {
  font-size: clamp(1.7rem, 3.6vw, 2.9rem);
  line-height: 1.18;
  letter-spacing: -0.028em;
  font-weight: 560;
  color: var(--muted);
  max-width: 28ch;
  text-wrap: balance;
}
.statement b { color: var(--ink); font-weight: 620; }
.source { margin-block-start: 2rem; max-width: 46rem; }

/* ---------- Étapes ---------- */

.section-head { max-width: 40rem; }
.steps {
  display: grid;
  gap: 2.5rem;
  margin-block-start: clamp(2.5rem, 5vw, 4rem);
}
@media (min-width: 820px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; } }
.step { border-block-start: 2px solid var(--ink); padding-block-start: 1.25rem; }
.step-n {
  font-size: .95rem;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.step h3 { margin-block: .5rem .65rem; }
.step p { color: var(--muted); text-wrap: pretty; }

/* ---------- Offre ---------- */

.offer-grid { display: grid; gap: clamp(2.5rem, 6vw, 4.5rem); align-items: start; }
@media (min-width: 920px) { .offer-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); } }
.included { margin-block-start: 2.25rem; border-block-start: 1px solid var(--line); }
.included li {
  display: grid;
  gap: .15rem;
  padding-block: 1.1rem;
  border-block-end: 1px solid var(--line);
}
.included strong { font-weight: 600; letter-spacing: -0.012em; }
.included span { color: var(--muted); }

.price-card {
  border: 1px solid var(--ink);
  border-radius: 24px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: #fff;
}
.price {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  font-weight: 620;
  letter-spacing: -0.04em;
}
.price-amount { font-size: clamp(3.4rem, 7vw, 4.8rem); line-height: 1; font-variant-numeric: tabular-nums; }
.price-unit { font-size: 1.25rem; color: var(--muted); letter-spacing: -0.01em; font-weight: 500; }
.price-terms { margin-block: 1.5rem 2rem; display: grid; gap: .55rem; }
.price-terms li { display: flex; gap: .65rem; align-items: baseline; }
.price-terms svg { width: 1rem; height: 1rem; flex: none; color: var(--accent); transform: translateY(.15rem); }
.price-card .btn { width: 100%; }
.price-card .fine { margin-block-start: 1rem; }

/* ---------- FAQ ---------- */

.faq-grid { display: grid; gap: 2.5rem; }
@media (min-width: 920px) { .faq-grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 4rem; } }
.faq { border-block-start: 1px solid var(--line); }
.faq details { border-block-end: 1px solid var(--line); }
.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding-block: 1.3rem;
  font-weight: 580;
  font-size: 1.12rem;
  letter-spacing: -0.015em;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 1.1rem; height: 1.1rem;
  background:
    linear-gradient(var(--ink), var(--ink)) center / 100% 2px no-repeat,
    linear-gradient(var(--ink), var(--ink)) center / 2px 100% no-repeat;
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-block-end: 1.4rem; color: var(--muted); max-width: 40rem; text-wrap: pretty; }

/* ---------- Formulaire ---------- */

.cta { background: var(--accent); color: #fff; }
.cta-grid { display: grid; gap: clamp(2.5rem, 6vw, 4.5rem); align-items: start; }
@media (min-width: 920px) { .cta-grid { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); } }
.cta .lede { color: rgba(255, 255, 255, .86); margin-block-start: 1.25rem; }

.form { display: grid; gap: 1.1rem; }
.form-row { display: grid; gap: 1.1rem; }
@media (min-width: 620px) { .form-row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: .4rem; }
.field label { font-weight: 560; font-size: .95rem; }
.field .opt { font-weight: 400; opacity: .8; }
.field input {
  width: 100%;
  min-height: 3.25rem;
  padding: .7rem 1rem;
  border: 2px solid transparent;
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  font-size: 1rem;
}
.field input::placeholder { color: #8b92a0; }
.field input:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }
.field input[aria-invalid="true"] { border-color: var(--ink); }
.err {
  display: none;
  align-items: center;
  gap: .45rem;
  width: fit-content;
  padding: .25rem .65rem;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: .9rem;
  font-weight: 540;
}
.err.on { display: inline-flex; }
.hp { position: absolute; inset-inline-start: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { justify-self: start; min-height: 3.25rem; padding-inline: 2rem; }
.form .btn[disabled] { opacity: .65; cursor: progress; }
.consent { font-size: .85rem; color: rgba(255, 255, 255, .86); max-width: 36rem; }
.consent a { color: #fff; }
.form-status { font-weight: 560; }
.form-status:empty { display: none; }
.form-status a { color: #fff; }

/* ---------- Pied de page ---------- */

.foot { padding-block: 2.75rem 3rem; border-block-start: 1px solid var(--line); }
.foot-in { display: grid; gap: 1.75rem; }
@media (min-width: 760px) { .foot-in { grid-template-columns: 1fr auto; align-items: start; } }
.foot nav { display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; font-size: .95rem; }
.foot nav a { color: var(--muted); text-decoration: none; }
.foot nav a:hover { color: var(--ink); }
.cta + .foot { border-block-start: 0; }

/* ---------- Pages simples ---------- */

.doc { padding-block: clamp(3rem, 7vw, 5.5rem) var(--space-band); }
.doc .wrap { max-width: 46rem; }
.doc h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-block-end: .75rem; }
.doc h2 { font-size: 1.35rem; letter-spacing: -0.02em; line-height: 1.25; margin-block: 2.5rem .6rem; }
.doc p, .doc li { color: var(--ink); text-wrap: pretty; }
.doc p + p { margin-block-start: .85rem; }
.doc ul { list-style: disc; padding-inline-start: 1.25rem; margin-block-start: .6rem; display: grid; gap: .35rem; }
.doc a { text-underline-offset: .2em; }
.todo { background: #fff3b8; padding: 0 .3em; border-radius: 4px; }
.doc .updated { color: var(--muted); font-size: .95rem; }

.center-page { min-height: 62vh; display: grid; align-content: center; padding-block: 4rem; }
.center-page h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.center-page p { margin-block-start: 1.1rem; }
.center-page .btn { margin-block-start: 2rem; }

.visually-hidden {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}