/* 1. Design tokens : une palette et une échelle cohérentes pour tout le site. */
:root {
  --ink:#171918;
  --paper:#f4f3ee;
  --muted:#b7bab5;
  --accent:#ff784f;
  --line:#393c38;
  --max:1240px;
  --font:Arial,Helvetica,sans-serif
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:30px
}
body {
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font);
  font-size:16px;
  line-height:1.6
}
a {
  color:inherit;
  text-decoration:none
}
button,input,select,textarea {
  font:inherit
}
a,button,input,select,textarea,summary {
  -webkit-tap-highlight-color:transparent
}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:6px
}
img {
  display:block;
  max-width:100%
}
.wrap {
  width:min(var(--max),calc(100% - 96px));
  margin-inline:auto
}
.skip-link {
  position:absolute;
  top:-100px;
  left:20px;
  background:var(--paper);
  color:var(--ink);
  padding:12px;
  z-index:10
}
.skip-link:focus {
  top:12px
}
.demo-banner {
  font-size:.75rem;
  text-align:center;
  letter-spacing:.08em;
  background:#222522;
  color:#c4c7c1;
  padding:7px 16px
}
.demo-banner span {
  padding:0 10px;
  color:var(--accent)
}
/* 2. En-tête et premier écran. */
.site-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:108px;
  border-bottom:1px solid var(--line)
}
.brand {
  display:inline-flex;
  align-items:center;
  font-size:1.8rem;
  letter-spacing:-.07em;
  font-weight:900;
  white-space:nowrap
}
.brand-icon {
  font-size:2.4rem;
  margin-right:9px;
  color:var(--accent);
  line-height:1
}
.brand-dot {
  color:var(--accent)
}
nav {
  display:flex;
  gap:36px;
  align-items:center;
  font-size:.875rem
}
nav>a:hover {
  color:var(--accent)
}
.nav-cta {
  border-bottom:1px solid var(--accent);
  padding:9px 0
}
.nav-cta span {
  margin-left:24px;
  color:var(--accent)
}
.hero {
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:60px;
  padding-block:70px 75px;
  align-items:center
}
.eyebrow {
  font-size:.75rem;
  letter-spacing:.13em;
  font-weight:700;
  margin:0 0 25px
}
.little-cross {
  color:var(--accent);
  margin-right:8px;
  font-size:1.2rem
}
h1 {
  font-size:clamp(3rem,4.65vw,4.45rem);
  font-weight:750;
  line-height:1.05;
  letter-spacing:-.055em;
  margin:0 0 28px
}
h1 em {
  font-style:normal;
  color:var(--accent)
}
.intro {
  max-width:400px;
  color:var(--muted);
  font-size:1.0625rem;
  line-height:1.7;
  margin:0 0 30px
}
.button {
  display:inline-flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
  background:var(--accent);
  color:var(--ink);
  padding:15px 23px;
  font-size:.9375rem;
  font-weight:700;
  border:1px solid var(--accent);
  cursor:pointer;
  transition:background .15s,transform .15s
}
.button:hover {
  background:#ff966f;
  transform:translateY(-2px)
}
.button span {
  font-size:1.5rem;
  line-height:1
}
.hero-note {
  font-size:.8125rem;
  color:var(--muted);
  margin-top:27px
}
.hero-note span {
  color:var(--accent);
  margin-right:8px
}
.hero-visual {
  position:relative;
  margin:0;
  align-self:stretch;
  min-height:500px;
  background:#222
}
.hero-visual>img {
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0
}
.hero-visual::after {
  content:"";
  position:absolute;
  inset:45% 0 0;
  background:linear-gradient(transparent,rgba(0,0,0,.82))
}
.hero-visual figcaption {
  position:absolute;
  inset:auto 30px 27px;
  z-index:1
}
.hero-visual figcaption>span:first-child {
  color:var(--accent);
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.15em
}
.hero-visual strong {
  display:block;
  font-size:1.5rem;
  line-height:1.25;
  letter-spacing:-.03em;
  margin-top:12px
}
.photo-index {
  display:block;
  font-size:.75rem;
  letter-spacing:.08em;
  color:#c5c5bf;
  margin-top:18px
}
.repair-tag {
  position:absolute;
  top:29px;
  right:-17px;
  transform:rotate(5deg);
  z-index:2;
  background:var(--accent);
  padding:17px 21px;
  color:var(--ink);
  font-size:.6875rem;
  letter-spacing:.06em;
  box-shadow:0 10px 25px #0003
}
.repair-tag b {
  display:block;
  font-size:1.9rem;
  letter-spacing:-.055em;
  line-height:1.3
}
.repair-tag>span {
  position:absolute;
  right:12px;
  bottom:1px;
  font-size:1.2rem
}
.promise-bar {
  border-block:1px solid var(--line)
}
.promise-bar>.wrap {
  display:flex;
  justify-content:space-between;
  gap:22px;
  padding-block:24px;
  font-size:.75rem;
  letter-spacing:.08em;
  color:#c9ccc6
}
.promise-bar span::before {
  content:"+";
  color:var(--accent);
  margin-right:15px
}
/* 3. Services : CSS Grid garde des colonnes de largeur égale. */
.section {
  padding-block:90px
}
.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:32px;
  margin-bottom:42px
}
.section-heading .eyebrow {
  color:var(--accent);
  margin-bottom:18px
}
h2 {
  font-size:clamp(2rem,3.4vw,3.1rem);
  font-weight:650;
  line-height:1.12;
  letter-spacing:-.045em;
  margin:0
}
.section-heading>p {
  color:var(--muted);
  margin:0;
  font-size:.9375rem
}
.service-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line)
}
.service-card {
  padding:28px 28px 22px;
  display:flex;
  flex-direction:column;
  min-width:0
}
.service-card+.service-card {
  border-left:1px solid var(--line)
}
.service-card.featured {
  background:#222621
}
.card-number {
  color:var(--muted);
  font-size:.6875rem;
  letter-spacing:.1em
}
.service-symbol {
  color:var(--accent);
  font-size:2.6rem;
  line-height:1;
  margin-block:30px 20px
}
h3 {
  font-size:1.125rem;
  letter-spacing:-.025em;
  margin:0 0 12px;
  line-height:1.4
}
.service-card>p {
  color:var(--muted);
  font-size:.9375rem;
  line-height:1.7;
  margin:0 0 28px
}
.card-bottom {
  border-top:1px solid var(--line);
  margin-top:auto;
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px
}
.card-bottom>span {
  font-size:.8125rem;
  color:var(--muted)
}
.card-bottom strong {
  font-size:1.25rem;
  color:var(--paper);
  margin-left:5px
}
.card-bottom>a {
  border:1px solid #50544d;
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  color:var(--accent);
  font-size:1.4rem
}
.card-bottom>a:hover {
  background:var(--accent);
  color:var(--ink)
}
.price-note {
  color:var(--muted);
  font-size:.75rem;
  margin:18px 0 0
}
.site-footer {
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding-block:32px
}
.site-footer p,.site-footer>a:last-child {
  font-size:.75rem;
  color:var(--muted)
}
/* 4. Présentation de l’atelier et formulaire de démonstration. */
.atelier {
  background:var(--paper);
  color:var(--ink);
  padding-block:80px
}
.atelier-grid {
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:100px
}
.atelier .eyebrow {
  color:#994224
}
h2 em {
  font-style:normal;
  color:var(--accent)
}
.atelier h2 em {
  color:#a33e20
}
.atelier-grid>div>p:not(.eyebrow) {
  max-width:480px;
  font-size:.9375rem;
  color:#555b53
}
.atelier-grid .atelier-intro {
  margin-top:28px
}
.steps {
  padding-top:5px
}
.steps article {
  display:flex;
  gap:28px;
  padding-block:27px;
  border-top:1px solid #d3d4cc
}
.steps article:last-child {
  border-bottom:1px solid #d3d4cc
}
.steps article>span {
  font-family:monospace;
  font-size:.875rem;
  color:#995035;
  padding-top:3px
}
.steps h3 {
  font-size:1.25rem;
  margin-bottom:8px
}
.steps p {
  font-size:.9375rem;
  color:#555b53;
  margin:0
}
.contact-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:100px
}
.contact-copy>.eyebrow {
  color:var(--accent)
}
.contact-copy>p:not(.eyebrow) {
  color:var(--muted);
  max-width:380px;
  margin-top:26px
}
.demo-note {
  border-left:2px solid var(--accent);
  padding-left:18px;
  margin-top:32px;
  max-width:380px
}
.demo-note strong {
  font-size:.875rem
}
.demo-note p {
  font-size:.8125rem;
  color:var(--muted);
  margin:8px 0 0
}
.contact-form {
  display:flex;
  flex-direction:column;
  align-self:start;
  gap:9px
}
.contact-form label {
  font-size:.875rem;
  margin-top:13px
}
.contact-form label:first-child {
  margin-top:0
}
.contact-form input,.contact-form select,.contact-form textarea {
  width:100%;
  background:#232622;
  color:var(--paper);
  border:1px solid #4b5048;
  padding:13px 15px;
  border-radius:0;
  min-height:50px
}
.contact-form textarea {
  resize:vertical
}
.contact-form textarea::placeholder {
  color:#a8aca5
}
.contact-form>p {
  font-size:.75rem;
  color:var(--muted);
  margin-block:0 10px
}
.contact-form .button {
  align-self:start
}
.form-result {
  border:1px solid var(--accent);
  padding:18px;
  white-space:pre-line;
  font-size:.875rem;
  margin-top:12px;
  overflow-wrap:anywhere
}
.project-info {
  padding-bottom:35px
}
.project-info details {
  border-top:1px solid var(--line);
  padding-top:22px
}
.project-info summary {
  cursor:pointer;
  font-size:.8125rem;
  color:var(--muted);
  padding-block:8px
}
.project-info summary>span {
  float:right;
  color:var(--accent)
}
.project-info p {
  font-size:.8125rem;
  color:var(--muted);
  max-width:860px
}
.project-info p a {
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:3px
}
/* 5. Petits écrans et préférences d’accessibilité. */
@media(min-width:1500px) {
  .hero {
    padding-block:80px
  }
  .hero-visual {
    min-height:550px
  }
}
@media(max-width:1000px) {
  .wrap {
    width:calc(100% - 56px)
  }
  .hero {
    gap:32px
  }
  .hero-visual {
    min-height:470px
  }
  h1 {
    font-size:3.4rem
  }
  nav {
    gap:22px
  }
  .promise-bar>.wrap {
    flex-wrap:wrap
  }
  .promise-bar span {
    flex-basis:45%
  }
  .service-card {
    padding:22px
  }
  .card-bottom>span {
    font-size:.75rem
  }
}
@media(max-width:720px) {
  .wrap {
    width:calc(100% - 40px)
  }
  .site-header {
    min-height:90px;
    gap:16px;
    flex-wrap:wrap;
    padding-block:18px
  }
  .brand {
    font-size:1.55rem
  }
  .brand-icon {
    font-size:2rem
  }
  nav {
    gap:18px;
    font-size:.8125rem;
    flex-wrap:wrap
  }
  .nav-cta {
    padding:0;
    border:0
  }
  .nav-cta span {
    margin-left:6px
  }
  .hero {
    grid-template-columns:1fr;
    padding-block:42px;
    gap:35px
  }
  h1 {
    font-size:clamp(2.7rem,10vw,4rem)
  }
  .eyebrow {
    font-size:.6875rem
  }
  .hero-copy .eyebrow {
    letter-spacing:.08em
  }
  .intro {
    max-width:100%
  }
  .hero-visual {
    min-height:380px
  }
  .repair-tag {
    right:10px;
    top:18px
  }
  .promise-bar>.wrap {
    gap:16px;
    padding-block:22px;
    font-size:.6875rem
  }
  .promise-bar span::before {
    margin-right:7px
  }
  .section {
    padding-block:56px
  }
  .section-heading {
    display:block;
    margin-bottom:30px
  }
  .section-heading>p {
    margin-top:22px
  }
  .service-grid {
    grid-template-columns:1fr
  }
  .service-card+.service-card {
    border-left:0;
    border-top:1px solid var(--line)
  }
  .service-card {
    padding:26px
  }
  .service-symbol {
    margin-block:22px 16px
  }
  .site-footer {
    flex-wrap:wrap;
    gap:12px
  }
  .site-footer p {
    flex-basis:100%;
    order:3;
    margin:0
  }
}
@media(max-width:1000px) {
  .atelier-grid,.contact-grid {
    gap:45px
  }
}
@media(max-width:720px) {
  .atelier {
    padding-block:56px
  }
  .atelier-grid,.contact-grid {
    grid-template-columns:1fr;
    gap:36px
  }
  .contact-copy>p:not(.eyebrow),.demo-note {
    max-width:100%
  }
  .steps article {
    gap:20px
  }
  .contact-form .button {
    width:100%
  }
}
@media(prefers-reduced-motion:reduce) {
  html:not([data-reduced-motion=false]) {
    scroll-behavior:auto
  }
  html:not([data-reduced-motion=false]) *,html:not([data-reduced-motion=false]) *::before,html:not([data-reduced-motion=false]) *::after {
    transition:none!important
  }
}