:root {
  color-scheme: light;
  --ink: oklch(18% 0.04 266);
  --paper: oklch(96% 0.012 246);
  --panel: oklch(98% 0.008 246);
  --panel-2: oklch(93% 0.018 246);
  --muted: oklch(42% 0.035 266);
  --line: oklch(78% 0.022 246);
  --red: oklch(62% 0.17 24);
  --blue: oklch(61% 0.13 235);
  --mint: oklch(78% 0.12 162);
  --amber: oklch(82% 0.13 78);
  --violet: oklch(57% 0.12 292);
  --max: 1210px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 10%, oklch(61% 0.13 235 / 0.16), transparent 26rem),
    radial-gradient(circle at 90% 28%, oklch(82% 0.13 78 / 0.18), transparent 24rem),
    linear-gradient(180deg, oklch(98% 0.006 246), var(--paper) 46%, oklch(94% 0.018 250)),
    var(--paper);
  font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
  font-size: 19px;
  line-height: 1.55;
  letter-spacing: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

p {
  max-width: 72ch;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 clamp(18px, 3vw, 42px);
  border-bottom: 1px solid var(--line);
  background: oklch(98% 0.008 246 / 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 850;
}

.brand span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--panel);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 760;
}

nav a {
  padding: 8px 10px;
  border-radius: 999px;
}

nav a:hover {
  background: var(--ink);
  color: var(--panel);
}

.hero {
  position: relative;
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(370px, 0.82fr);
  grid-template-areas:
    "head form"
    "rest form"
    "wall wall";
  gap: clamp(24px, 4vw, 54px) clamp(30px, 6vw, 76px);
  align-items: start;
  padding: clamp(52px, 7vw, 96px) 0 clamp(48px, 6vw, 82px);
}

.hero-head {
  grid-area: head;
}

.hero-rest {
  grid-area: rest;
}

.hero-form {
  grid-area: form;
  align-self: center;
}

.versus-wall {
  grid-area: wall;
  margin-top: clamp(14px, 3vw, 30px);
}

.callout,
.kicker {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 16px;
  padding: 7px 11px;
  border-radius: 999px;
  background: oklch(86% 0.12 78);
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

h1 {
  max-width: 840px;
  margin-bottom: 22px;
  font-size: clamp(2.7rem, 5vw, 4.4rem);
  line-height: 0.96;
  letter-spacing: -0.045em;
}

h2 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(2.05rem, 3.8vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 8px;
  font-size: clamp(1.25rem, 1.55vw, 1.65rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.lead,
.definition p,
.benchmark-head p,
.service-copy p {
  color: var(--muted);
  font-size: clamp(1.04rem, 1.35vw, 1.24rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.primary,
.secondary {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 17px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 850;
  text-align: center;
}

.primary {
  background: var(--ink);
  color: var(--panel);
}

.secondary {
  background: var(--panel);
}

/* ---- Carte formulaire (hero + section contact) ---- */
.lead-card {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 24px 80px oklch(19% 0.05 286 / 0.16);
}

.lead-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.lead-card-head b {
  color: var(--ink);
  font-size: 1rem;
}

.lead-card-title {
  margin-bottom: 8px;
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.lead-card-sub {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.98rem;
}

.lead-form {
  display: grid;
  gap: 10px;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
}

.lead-form textarea {
  resize: vertical;
  min-height: 90px;
}

.lead-form input:focus,
.lead-form textarea:focus {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
}

.lead-submit {
  min-height: 50px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--panel);
  font-family: inherit;
  font-weight: 850;
  cursor: pointer;
}

.lead-submit:hover {
  opacity: 0.92;
}

.lead-success {
  margin: 6px 0 0;
  padding: 12px 14px;
  border-radius: 6px;
  background: oklch(88% 0.11 145);
  color: var(--ink);
  font-weight: 850;
}

.versus-wall {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 24px 80px oklch(19% 0.05 286 / 0.16);
}

.wall-title {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.wall-title b {
  color: var(--ink);
  font-size: 1rem;
}

.wall-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.lane {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 6px;
  background: var(--panel-2);
}

.lane span {
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  line-height: 1;
  font-weight: 850;
}

.lane i {
  justify-self: end;
  padding: 5px 8px;
  border-radius: 999px;
  background: oklch(100% 0 0 / 0.82);
  font-style: normal;
  font-size: 0.82rem;
  font-weight: 850;
  text-align: center;
}

.lane b {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.94rem;
}

.you {
  background: oklch(88% 0.065 235);
}

.leader {
  background: oklch(89% 0.08 75);
}

.rival {
  background: oklch(88% 0.075 162);
}

.dark {
  background: var(--ink);
  color: var(--panel);
}

.dark b {
  color: oklch(86% 0.03 318);
}

.example-note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-style: italic;
}

.definition,
.benchmark,
.matrix,
.service,
.proof,
.faq,
.contact,
.closing,
.legal {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(54px, 7vw, 98px) 0;
  border-top: 1px solid var(--line);
}

.definition {
  display: grid;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 70px);
}

.definition .kicker {
  align-self: start;
}

.definition h2,
.definition p {
  grid-column: 2;
}

.definition .kicker + h2 {
  margin-top: 0;
}

.benchmark {
  display: grid;
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: start;
}

.benchmark-head h2,
.matrix h2,
.service h2,
.proof h2,
.faq h2,
.contact h2 {
  font-size: clamp(1.9rem, 3vw, 3.2rem);
  line-height: 1;
}

.bench-list {
  display: grid;
  gap: 12px;
}

.bench-list article {
  display: grid;
  grid-template-columns: 58px minmax(160px, 0.62fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.bench-list span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--violet);
  color: var(--panel);
  font-weight: 850;
}

.bench-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.matrix {
  display: grid;
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: start;
}

.matrix-board {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.matrix-note {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-style: italic;
}

.row {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) repeat(3, minmax(112px, 0.72fr));
  gap: 8px;
  min-height: auto;
}

.row span,
.row b,
.row i {
  display: grid;
  align-items: center;
  min-height: 54px;
  padding: 10px 12px;
  border-radius: 6px;
  background: var(--paper);
  font-style: normal;
  font-weight: 760;
}

.head span,
.head b {
  min-height: 42px;
  background: var(--ink);
  color: var(--panel);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.low {
  background: oklch(88% 0.08 22) !important;
}

.mid {
  background: oklch(90% 0.07 75) !important;
}

.high {
  background: oklch(88% 0.11 145) !important;
}

.service {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 0.78fr);
  gap: clamp(28px, 6vw, 76px);
}

.process {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.process li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.process span {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--panel);
  font-weight: 850;
}

.process b {
  font-weight: 850;
}

.process p {
  grid-column: 2;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.proof-lines {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.proof-lines p {
  min-height: 190px;
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
}

.proof-lines b {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 1.18rem;
}

.faq {
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 76px);
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

summary {
  cursor: pointer;
  font-weight: 850;
  font-size: 1.06rem;
}

details p {
  margin: 14px 0 0;
  color: var(--muted);
}

/* ---- Section contact (formulaire on-page) ---- */
.contact {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 0.85fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.contact-intro p {
  color: var(--muted);
  font-size: clamp(1.04rem, 1.35vw, 1.24rem);
}

.closing {
  margin-bottom: 58px;
  padding: clamp(30px, 5vw, 52px);
  border: 0;
  border-radius: 8px;
  background: var(--ink);
  color: var(--panel);
}

.closing h2 {
  max-width: 900px;
}

.closing .kicker {
  color: var(--ink);
}

.closing .primary {
  margin-top: 10px;
  border-color: var(--panel);
  background: var(--panel);
  color: var(--ink);
}

footer {
  width: min(var(--max), calc(100% - 36px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

footer a {
  color: var(--ink);
  font-weight: 850;
}

.legal {
  width: min(820px, calc(100% - 36px));
  min-height: calc(100vh - 150px);
  margin: 0 auto;
  border-top: 0;
}

.legal h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
}

.legal h2 {
  margin-top: 38px;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.legal p,
.legal li {
  color: var(--muted);
  max-width: none;
}

.legal ul {
  margin: 0 0 16px 22px;
}

.legal a.inline {
  font-weight: 850;
  text-decoration: underline;
}

@media (max-width: 980px) {
  .hero,
  .definition,
  .benchmark,
  .matrix,
  .service,
  .faq,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    grid-template-areas:
      "head"
      "form"
      "rest"
      "wall";
  }

  .definition h2,
  .definition p {
    grid-column: auto;
  }

  .proof-lines {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 18px;
  }

  .topbar {
    position: static;
    display: grid;
    justify-content: stretch;
    padding: 12px 16px;
  }

  nav {
    justify-content: flex-start;
  }

  .hero,
  .definition,
  .benchmark,
  .matrix,
  .service,
  .proof,
  .faq,
  .contact,
  .closing,
  .legal,
  footer {
    width: min(100% - 22px, 520px);
  }

  /* Mobile form-first : H1 d'abord, formulaire juste en dessous. */
  .hero {
    grid-template-areas:
      "head"
      "form"
      "rest"
      "wall";
  }

  h1 {
    font-size: clamp(2.2rem, 11vw, 2.6rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
  }

  h2,
  .benchmark-head h2,
  .matrix h2,
  .service h2,
  .proof h2,
  .faq h2,
  .contact h2 {
    font-size: clamp(2rem, 9vw, 3.3rem);
  }

  .wall-grid {
    grid-template-columns: 1fr;
  }

  .primary,
  .secondary,
  .lead-submit {
    width: 100%;
  }

  .lane,
  .bench-list article,
  .row,
  .process li {
    grid-template-columns: 1fr;
  }

  .lane i {
    justify-self: start;
  }

  .process p {
    grid-column: auto;
  }
}