:root {
  --ink: oklch(16% 0.028 52);
  --muted: oklch(42% 0.035 52);
  --soft: oklch(63% 0.04 52);
  --paper: oklch(95% 0.018 72);
  --paper-strong: oklch(98% 0.01 72);
  --line: oklch(58% 0.05 52);
  --acid: oklch(70% 0.22 38);
  --red: oklch(62% 0.2 29);
  --blue: oklch(48% 0.18 258);
  --yellow: oklch(86% 0.16 86);
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 10%, oklch(70% 0.22 38 / 0.28), transparent 22rem),
    radial-gradient(circle at 86% 20%, oklch(48% 0.18 258 / 0.24), transparent 24rem),
    repeating-linear-gradient(
      135deg,
      oklch(16% 0.028 52 / 0.055) 0 2px,
      transparent 2px 18px
    ),
    var(--paper);
  background-size: auto, auto, auto, auto;
  font-family: "Avenir Next Condensed", "Arial Narrow", "Roboto Condensed", Arial, sans-serif;
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: 0;
}

body::before {
  content: "01";
  position: fixed;
  right: clamp(-60px, -3vw, -20px);
  bottom: clamp(-86px, -6vw, -40px);
  z-index: 0;
  color: oklch(16% 0.028 52 / 0.045);
  font-size: clamp(18rem, 36vw, 36rem);
  font-weight: 950;
  line-height: 0.8;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.topbar,
main,
footer {
  position: relative;
  z-index: 1;
}

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;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  min-height: 72px;
  border-bottom: 2px solid var(--ink);
  background: oklch(95% 0.018 72 / 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 clamp(18px, 3vw, 34px);
  border-right: 2px solid var(--ink);
  font-weight: 900;
  letter-spacing: -0.025em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 2px solid var(--ink);
  background: var(--yellow);
  box-shadow: 5px 5px 0 var(--ink);
  font-size: 0.9rem;
  line-height: 1;
}

nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  padding: 10px clamp(14px, 2vw, 30px);
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

nav a {
  padding: 7px 10px;
  border: 1px solid transparent;
}

nav a:hover {
  border-color: var(--ink);
  background: var(--paper-strong);
  color: var(--ink);
}

main {
  overflow: hidden;
}

.hero {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(42px, 5.8vw, 82px) 0 clamp(42px, 6vw, 82px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.72fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: start;
}

.audience,
.eyebrow,
.section-label {
  width: fit-content;
  margin-bottom: 18px;
  padding: 5px 9px;
  border: 2px solid var(--ink);
  background: var(--yellow);
  box-shadow: 4px 4px 0 var(--ink);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 900;
}

h1 {
  max-width: 900px;
  margin-bottom: 24px;
  font-size: clamp(3.4rem, 7vw, 7rem);
  line-height: 0.86;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.lead {
  max-width: 820px;
  color: var(--muted);
  font-size: clamp(1.18rem, 1.9vw, 1.55rem);
  line-height: 1.42;
}

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

.primary,
.secondary,
.offer-table a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 11px 16px;
  border: 2px solid var(--ink);
  font-weight: 900;
  box-shadow: 5px 5px 0 var(--ink);
  transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.primary,
.offer-table a {
  background: var(--acid);
}

.secondary {
  background: var(--paper-strong);
}

.primary:hover,
.secondary:hover,
.offer-table a:hover {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink);
}

.rank-board {
  border: 2px solid var(--ink);
  background:
    repeating-linear-gradient(0deg, transparent 0 28px, oklch(16% 0.028 52 / 0.035) 28px 29px),
    var(--paper-strong);
  box-shadow: 12px 12px 0 var(--ink);
  transform: rotate(1.2deg);
}

.board-head {
  display: grid;
  gap: 4px;
  padding: 18px;
  border-bottom: 2px solid var(--ink);
  background: var(--blue);
  color: oklch(98% 0.008 238);
}

.board-head span {
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.board-head strong {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.05;
}

.answer-ladder {
  list-style: none;
  margin: 0;
  padding: 0;
}

.answer-ladder li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 18px;
  border-bottom: 2px solid var(--ink);
}

.answer-ladder li.active {
  background: oklch(88% 0.17 91 / 0.8);
}

.position {
  font-size: 2.5rem;
  line-height: 1;
  font-weight: 950;
  letter-spacing: -0.06em;
}

.answer-ladder b,
.answer-ladder small {
  display: block;
}

.answer-ladder small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.28;
}

.answer-ladder em {
  align-self: start;
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 900;
  color: var(--red);
  text-transform: uppercase;
}

.rank-board > p {
  margin: 0;
  padding: 18px;
  color: var(--muted);
}

.definition,
.compare,
.agency-service,
.method,
.proof,
.fit,
.offers,
.faq,
.closing {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(48px, 7vw, 98px) 0;
}

.definition {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 80px);
  border-top: 2px solid var(--ink);
}

h2 {
  max-width: 960px;
  margin-bottom: 22px;
  font-size: clamp(2.3rem, 5.2vw, 5.4rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(1.4rem, 2.2vw, 2.05rem);
  line-height: 1;
  letter-spacing: -0.035em;
}

.definition-copy p,
.method-intro p,
.fit-list p,
.deliverables p,
.faq-list p,
.closing p,
.compare-grid p {
  color: var(--muted);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 2px solid var(--ink);
  background: var(--paper-strong);
}

.compare-grid article {
  padding: clamp(20px, 3vw, 34px);
  border-bottom: 2px solid var(--ink);
}

.compare-grid article:first-child {
  border-right: 2px solid var(--ink);
}

.compare-grid .wide {
  grid-column: 1 / -1;
  background: var(--ink);
  color: var(--paper);
}

.compare-grid .wide p {
  color: oklch(86% 0.03 118);
}

.agency-service {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  border-top: 2px solid var(--ink);
}

.service-stack {
  display: grid;
  gap: 14px;
}

.service-stack p {
  max-width: none;
  margin: 0;
  padding: 22px;
  border: 2px solid var(--ink);
  background: var(--paper-strong);
  color: var(--muted);
}

.method {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 74px);
  align-items: start;
}

.method-intro {
  position: sticky;
  top: 104px;
}

.steps {
  display: grid;
  gap: 14px;
}

.steps article {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 18px;
  padding: clamp(18px, 2.4vw, 28px);
  border: 2px solid var(--ink);
  background: var(--paper-strong);
  box-shadow: 7px 7px 0 oklch(17% 0.026 118 / 0.85);
}

.steps span {
  grid-row: span 2;
  font-size: 3.6rem;
  line-height: 0.86;
  font-weight: 950;
  letter-spacing: -0.07em;
  color: var(--blue);
}

.steps p {
  margin-bottom: 0;
  color: var(--muted);
}

.proof {
  display: grid;
  grid-template-columns: 0.65fr 1fr;
  gap: clamp(28px, 5vw, 70px);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.deliverables {
  display: grid;
  gap: 0;
  border: 2px solid var(--ink);
  background: var(--paper-strong);
}

.deliverables p {
  max-width: none;
  margin: 0;
  padding: 20px;
  border-bottom: 2px solid var(--ink);
}

.deliverables p:last-child {
  border-bottom: 0;
}

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

.fit-list p {
  max-width: none;
  min-height: 260px;
  margin: 0;
  padding: 22px;
  border: 2px solid var(--ink);
  background: var(--paper-strong);
}

.offers {
  display: grid;
  grid-template-columns: 0.74fr 1fr;
  gap: clamp(30px, 5vw, 74px);
  align-items: start;
}

.offer-table {
  display: grid;
  border: 2px solid var(--ink);
  background: var(--paper-strong);
}

.offer-table article {
  padding: 24px;
  border-bottom: 2px solid var(--ink);
}

.offer-table article:last-child {
  border-bottom: 0;
}

.offer-table p {
  color: var(--muted);
}

.offer-table a {
  margin-top: 6px;
  font-size: 0.95rem;
}

.faq {
  border-top: 2px solid var(--ink);
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq-list article {
  padding: 24px;
  border: 2px solid var(--ink);
  background: oklch(99% 0.006 103 / 0.88);
}

.closing {
  margin-bottom: clamp(36px, 6vw, 84px);
  padding: clamp(32px, 5vw, 56px);
  border: 2px solid var(--ink);
  background:
    repeating-linear-gradient(135deg, oklch(16% 0.028 52 / 0.06) 0 2px, transparent 2px 15px),
    linear-gradient(135deg, oklch(70% 0.22 38 / 0.32), transparent 58%),
    var(--paper-strong);
  box-shadow: 12px 12px 0 var(--ink);
}

.closing p {
  font-size: clamp(1.14rem, 1.7vw, 1.36rem);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 3vw, 40px);
  border-top: 2px solid var(--ink);
  color: var(--muted);
  background: var(--paper-strong);
  font-size: 0.92rem;
}

footer nav {
  display: flex;
  gap: 18px;
  padding: 0;
}

footer a {
  font-weight: 900;
  color: var(--ink);
}

/* ===== Section formulaire de lead ===== */
.lead-section {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(48px, 7vw, 98px) 0;
  display: grid;
  grid-template-columns: 0.78fr 1fr;
  gap: clamp(30px, 5vw, 74px);
  align-items: start;
  border-top: 2px solid var(--ink);
}

.lead-intro p {
  color: var(--muted);
}

.lead-intro ul {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.lead-intro li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
  font-size: 0.98rem;
}

.lead-intro li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 12px;
  height: 12px;
  background: var(--acid);
  border: 2px solid var(--ink);
}

.lead-form {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: clamp(22px, 3vw, 32px);
  border: 2px solid var(--ink);
  background: var(--paper-strong);
  box-shadow: 12px 12px 0 var(--ink);
}

.field {
  display: grid;
  gap: 6px;
}

.field.grid-2 {
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.lead-form label {
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  max-width: 100%;
  padding: 12px 13px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.35;
}

.lead-form textarea {
  min-height: 110px;
  resize: vertical;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  outline: none;
  background: var(--paper-strong);
  box-shadow: 4px 4px 0 var(--ink);
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.lead-form button {
  justify-self: start;
  min-height: 48px;
  margin-top: 4px;
  padding: 12px 20px;
  border: 2px solid var(--ink);
  background: var(--acid);
  color: var(--ink);
  font-family: inherit;
  font-weight: 900;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 5px 5px 0 var(--ink);
  transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.lead-form button:hover {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink);
}

.form-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--soft);
}

.form-status {
  margin: 0;
  padding: 0;
  font-weight: 900;
}

.form-status.ok {
  padding: 14px 16px;
  border: 2px solid var(--ink);
  background: var(--yellow);
  box-shadow: 5px 5px 0 var(--ink);
}

.form-status.err {
  color: var(--red);
}

@media (max-width: 980px) {
  .topbar,
  .brand,
  nav {
    align-items: flex-start;
  }

  .topbar {
    flex-direction: column;
  }

  .brand {
    width: 100%;
    min-height: 66px;
    border-right: 0;
    border-bottom: 2px solid var(--ink);
  }

  nav {
    justify-content: flex-start;
    width: 100%;
  }

  .hero,
  .definition,
  .agency-service,
  .method,
  .proof,
  .offers,
  .lead-section {
    grid-template-columns: 1fr;
  }

  .rank-board {
    transform: none;
  }

  /* Mobile form-first : le CTA principal remonte juste sous le H1, avant le reste */
  .hero-copy {
    display: flex;
    flex-direction: column;
  }

  .hero-copy h1 { order: 1; }
  .hero-copy .hero-actions { order: 2; margin-top: 18px; }
  .hero-copy .audience { order: 0; }
  .hero-copy .lead { order: 3; margin-top: 24px; }

  .field.grid-2 {
    grid-template-columns: 1fr;
  }

  .method-intro {
    position: static;
  }

  .fit-list,
  .faq-list {
    grid-template-columns: 1fr;
  }

  .fit-list p {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 18px;
  }

  .hero,
  .definition,
  .compare,
  .agency-service,
  .method,
  .proof,
  .fit,
  .offers,
  .faq,
  .closing,
  .lead-section {
    width: min(100% - 24px, var(--max));
  }

  h1 {
    font-size: clamp(2rem, 8.6vw, 3rem);
    line-height: 0.95;
  }

  h2 {
    font-size: clamp(2.1rem, 11vw, 3.6rem);
  }

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

  .compare-grid article:first-child {
    border-right: 0;
  }

  .answer-ladder li,
  .steps article {
    grid-template-columns: 1fr;
  }

  .answer-ladder em {
    justify-self: start;
  }

  footer {
    flex-direction: column;
  }
}