/* ============ Tokens ============ */
:root {
  --paper: #F2F4EE;
  --ink: #1B211D;
  --ink-soft: #55605A;
  --green-deep: #14432F;
  --green-money: #2E7D5B;
  --kola: #E8621C;
  --line: #D6DAD2;
  --white: #FFFFFF;

  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --pad-x: clamp(1.25rem, 5vw, 4.5rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
}
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.08; margin: 0; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--kola); outline-offset: 3px; }

/* ============ Boutons ============ */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  padding: .7rem 1.3rem;
  border: 1.5px solid var(--green-deep);
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease;
}
.btn-lg { padding: .9rem 1.7rem; font-size: 1.02rem; }
.btn-solid { background: var(--green-deep); color: var(--white); }
.btn-solid:hover { background: var(--kola); border-color: var(--kola); }
.btn-ghost { background: transparent; color: var(--green-deep); }
.btn-ghost:hover { background: var(--green-deep); color: var(--white); }
.btn-light { background: var(--paper); color: var(--green-deep); border-color: var(--paper); }
.btn-light:hover { background: var(--kola); border-color: var(--kola); color: var(--white); }

/* ============ Topbar ============ */
.topbar {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 1.1rem var(--pad-x);
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -.02em;
  text-decoration: none;
  color: var(--green-deep);
}
.wordmark .tld { color: var(--kola); }
.topnav { display: flex; gap: 1.8rem; margin-left: auto; }
.topnav a {
  text-decoration: none;
  font-weight: 500;
  font-size: .95rem;
  color: var(--ink-soft);
}
.topnav a:hover { color: var(--green-deep); }
@media (max-width: 720px) {
  .topnav { display: none; }
  .topbar { justify-content: space-between; }
}

/* ============ Hero ============ */
.hero {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(3rem, 7vh, 5.5rem) var(--pad-x) clamp(3.5rem, 8vh, 6rem);
}
.kicker {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green-money);
  margin-bottom: 1.1rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4.1rem);
  font-weight: 700;
  letter-spacing: -.025em;
}
.hero h1 em {
  font-style: normal;
  color: var(--kola);
}
.lede {
  max-width: 34rem;
  margin-top: 1.4rem;
  font-size: 1.12rem;
  color: var(--ink-soft);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.9rem; }
.hero-proof {
  list-style: none;
  padding: 0;
  margin: 2.2rem 0 0;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.hero-proof li {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-size: .95rem;
  color: var(--ink-soft);
}
.hero-proof svg {
  width: 19px; height: 19px; flex: none;
  fill: none; stroke: var(--green-money); stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}

/* --- Signature : schéma séquestre --- */
.escrow {
  margin: 0;
  background: var(--green-deep);
  color: #E9EFE9;
  padding: 1.5rem 1.6rem 1.3rem;
  border-top: 4px solid var(--kola);
}
.escrow-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(233, 239, 233, .18);
}
.escrow-title { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: #A9C0AF; }
.escrow-amount { font-family: var(--font-mono); font-weight: 600; font-size: 1.05rem; }
.escrow-stage {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  align-items: center;
  gap: .4rem;
  padding: 1.6rem 0 1.2rem;
}
.escrow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .45rem;
  font-size: .78rem;
  line-height: 1.25;
  text-align: center;
  color: #C4D3C7;
}
.escrow-node svg {
  width: 30px; height: 30px;
  fill: none; stroke: currentColor; stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
}
.escrow-vault { color: var(--white); }
.escrow-vault svg { width: 40px; height: 40px; stroke: var(--kola); }
.escrow-track {
  position: relative;
  height: 1px;
  background: rgba(233, 239, 233, .3);
  min-width: 3rem;
}
.chip {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(-8%, -50%);
  font-family: var(--font-mono);
  font-size: .66rem;
  font-weight: 600;
  white-space: nowrap;
  background: var(--kola);
  color: var(--white);
  padding: .18rem .45rem;
  opacity: 0;
}
.escrow-steps {
  list-style: none;
  margin: 0;
  padding: .9rem 0 0;
  border-top: 1px solid rgba(233, 239, 233, .18);
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.escrow-steps li {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  font-size: .84rem;
  color: #A9C0AF;
}
.escrow-steps li::before {
  content: attr(data-step);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  color: var(--kola);
  flex: none;
}
.escrow-steps li.active { color: var(--white); }

/* Animation orchestrée du séquestre */
@media (prefers-reduced-motion: no-preference) {
  .chip-1 { animation: chip-to-vault 9s ease-in-out infinite; }
  .chip-2 { animation: chip-to-talent 9s ease-in-out infinite; }
  .escrow-vault svg { animation: vault-pulse 9s ease-in-out infinite; }
}
@media (prefers-reduced-motion: reduce) {
  .chip-2 { opacity: 1; left: 100%; transform: translate(-92%, -50%); }
  .escrow-steps li { color: var(--white); }
}
@keyframes chip-to-vault {
  0%   { opacity: 0; left: 0; }
  5%   { opacity: 1; }
  22%  { opacity: 1; left: 100%; transform: translate(-92%, -50%); }
  27%  { opacity: 0; left: 100%; transform: translate(-92%, -50%); }
  100% { opacity: 0; }
}
@keyframes chip-to-talent {
  0%, 55% { opacity: 0; left: 0; }
  60%  { opacity: 1; left: 0; }
  78%  { opacity: 1; left: 100%; transform: translate(-92%, -50%); }
  86%  { opacity: 0; left: 100%; transform: translate(-92%, -50%); }
  100% { opacity: 0; }
}
@keyframes vault-pulse {
  0%, 20%, 60%, 100% { transform: none; }
  26%, 30% { transform: scale(1.12); }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .escrow { max-width: 34rem; }
}
@media (max-width: 480px) {
  /* Les <br> du h1 forcent des lignes trop larges sous ~400px */
  .hero h1 br { display: none; }
  .hero h1 { font-size: 2.1rem; }
}

/* ============ Sections communes ============ */
.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -.02em;
}

/* ============ Comment ça marche ============ */
.how {
  padding: clamp(3rem, 7vh, 5rem) var(--pad-x);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(14rem, 4fr) 8fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.how-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2.5rem;
}
.how-steps li { border-left: 2px solid var(--green-money); padding-left: 1.1rem; }
.how-n {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  color: var(--green-money);
}
.how-steps h3 { font-size: 1.13rem; font-weight: 600; margin: .3rem 0 .45rem; }
.how-steps p { font-size: .95rem; color: var(--ink-soft); }
@media (max-width: 900px) {
  .how { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .how-steps { grid-template-columns: 1fr; }
}

/* ============ Offres ============ */
.offers {
  padding: clamp(3rem, 7vh, 5rem) var(--pad-x);
  border-top: 1px solid var(--line);
}
.offers-intro {
  display: grid;
  grid-template-columns: minmax(14rem, 4fr) 8fr;
  gap: clamp(2rem, 5vw, 5rem);
  margin-bottom: 2.8rem;
}
.offers-intro p { max-width: 33rem; color: var(--ink-soft); align-self: end; }
@media (max-width: 900px) { .offers-intro { grid-template-columns: 1fr; gap: 1rem; } }

.offer-group { margin-bottom: 2.6rem; }
.offer-cat {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green-money);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.1rem;
}
.offer-cat::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.offer {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.4rem 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: border-color .18s ease;
}
.offer:hover { border-color: var(--green-money); }
.offer-featured { border-left: 4px solid var(--kola); }
.offer h4 { font-size: 1.16rem; font-weight: 600; }
.offer p { font-size: .93rem; color: var(--ink-soft); flex: 1; }
.offer-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-top: .7rem;
  border-top: 1px solid var(--line);
}
.price {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--green-deep);
  font-variant-numeric: tabular-nums;
}
.price .per { font-size: .78rem; color: var(--ink-soft); font-weight: 500; }
.delay { font-size: .82rem; color: var(--ink-soft); }
.offer-cta {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  color: var(--kola);
}
.offer-cta:hover { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 900px) { .offer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .offer-grid { grid-template-columns: 1fr; } }

.offers-note { margin-top: 1rem; font-size: .95rem; color: var(--ink-soft); }
.offers-note a { color: var(--kola); }

/* ============ Garantie ============ */
.guarantee {
  background: var(--green-deep);
  color: #E9EFE9;
  padding: clamp(3rem, 8vh, 5.5rem) var(--pad-x);
}
.guarantee .section-title { color: var(--white); }
.guarantee-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 2.5rem;
}
.guarantee-cols h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: .6rem;
  padding-top: .8rem;
  border-top: 2px solid var(--kola);
}
.guarantee-cols p { font-size: .95rem; color: #B9CBBE; }
@media (max-width: 800px) { .guarantee-cols { grid-template-columns: 1fr; gap: 1.6rem; } }

/* ============ Brief ============ */
.brief {
  padding: clamp(3rem, 8vh, 5.5rem) var(--pad-x);
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.brief-copy p { margin-top: 1.1rem; color: var(--ink-soft); max-width: 26rem; }
.brief-alt a { color: var(--kola); }
.brief-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--green-deep);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.field { display: flex; flex-direction: column; gap: .35rem; }
.field label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .88rem;
}
.field input, .field select, .field textarea {
  width: 100%;
  min-width: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: .65rem .8rem;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--green-money);
  outline-offset: 0;
  border-color: var(--green-money);
}
.brief-form .btn { border: none; align-self: flex-start; }
.form-note { font-size: .84rem; color: var(--ink-soft); }
@media (max-width: 900px) { .brief { grid-template-columns: 1fr; } }

/* ============ Talents ============ */
.talents {
  background: var(--ink);
  color: #DFE5DF;
  padding: clamp(3rem, 8vh, 5.5rem) var(--pad-x);
}
.talents-inner { max-width: 40rem; }
.kicker-light { color: var(--kola); }
.talents .section-title { color: var(--white); }
.talents p { margin: 1.2rem 0 1.8rem; color: #AEB8AF; }

/* ============ Footer ============ */
.foot {
  border-top: 1px solid var(--line);
  padding: 2rem var(--pad-x) 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
}
.wordmark-sm { font-size: 1.1rem; }
.foot-left p { max-width: 24rem; margin-top: .5rem; font-size: .88rem; color: var(--ink-soft); }
.foot-right { display: flex; align-items: baseline; gap: 1.5rem; font-size: .92rem; }
.foot-right a { color: var(--ink-soft); }
.foot-right a:hover { color: var(--green-deep); }
#foot-year { font-family: var(--font-mono); font-size: .8rem; color: var(--ink-soft); }