* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}


  :root{
  --ink:#2b2b2b;
  --paper:#f7f6f3;
  --paper-edge:#e5e2da;
  --shadow:rgba(0,0,0,.18);
}


.fleche-retour {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  transition: background 0.2s, box-shadow 0.2s;
}



body{
  margin:0;
  color:var(--ink);
  font-family:"Courier New", monospace;
  background: url(textures/collagebackground.jpg);
  min-height:100vh;
  display:flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding:12vmin 3vmin 8vmin;
}
.frame{
  position:relative;
  width:min(820px, 100%);
  padding:56px 44px 40px;
  background:var(--paper);
  border:1px solid var(--paper-edge);
  box-shadow:8px 10px 18px var(--shadow);
  transform:rotate(-.6deg);
  isolation:isolate;
  margin-top: 30px;
}
.frame::before{
  content:"";
  position:absolute; inset:auto 0 auto 0;
  width:140px; height:30px; margin:auto; top:-18px;
  background:repeating-linear-gradient(135deg, rgba(160,170,180,.55) 0 10px, rgba(200,210,220,.55) 10px 20px);
  filter:drop-shadow(0 4px 3px rgba(0,0,0,.15));
  transform:rotate(-4deg);
  clip-path:polygon(2% 0, 98% 0, 95% 100%, 5% 100%);
  opacity:.95;
}
.frame::after{
  content:""; position:absolute; inset:0; pointer-events:none; z-index:-1;
  background:
    conic-gradient(from 90deg at 10px 10px, #d9d6cd 90deg, transparent 0) 0 0/12px 12px repeat,
    linear-gradient(transparent 14px, rgba(0,0,0,.04) 15px) 0 0/100% 16px no-repeat;
  mix-blend-mode:multiply; opacity:.35; transform:translate(6px,6px);
}
h1{
  font-family:'Special Elite', system-ui;
  letter-spacing:1px; text-align:center; margin:0 0 18px; font-size:clamp(24px, 3.2vw, 36px);
}
p.intro{
  font-family:'Shadows Into Light', cursive;
  font-size:clamp(20px, 3vw, 26px);
  text-align:center; 
  margin:0 0 32px;
  color: #555;
  line-height: 1.4;
}
/* Formulaire de contact amélioré */
.contact-form { 
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 100%;
}

.form-group {
  width: 100%;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label { 
  font-family: 'Shadows Into Light', cursive; 
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 4px;
}



.input-group input, 
.input-group textarea {
  border: 1px solid #c9c6be; 
  background: #fbfbfa; 
  border-radius: 6px;
  padding: 12px 14px; 
  font: inherit; 
  transition: .15s border-color, .15s background;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.6);
  width: 100%;
}

.input-group input:focus, 
.input-group textarea:focus { 
  outline: none; 
  border-color: #9a978d; 
  background: #fff;
}

.input-group textarea { 
  min-height: 140px; 
  resize: vertical;
}

.row { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 20px; 
}

@media (max-width: 600px) { 
  body {
    padding: 15vmin 2vmin 10vmin;
    min-height: 100vh;
  }
  
  .row { 
    grid-template-columns: 1fr; 
    gap: 16px;
  }
  
  .frame {
    padding: 56px 24px 30px;
    margin-top: 40px;
    width: 95%;
    max-width: 500px;
  }
  
  .frame::before {
    width: 100px;
    height: 24px;
    top: -14px;
  }
  
  h1 {
    font-size: clamp(20px, 5vw, 28px);
  }
  
  p.intro {
    font-size: clamp(16px, 4vw, 20px);
    margin-bottom: 24px;
  }
  
  .contact-form {
    gap: 20px;
  }
  
  .input-group label {
    font-size: 1rem;
  }
  
  .input-group input,
  .input-group textarea {
    padding: 11px 13px;
    font-size: 15px;
  }
  
  .input-group textarea {
    min-height: 120px;
  }
  
  .bouton-retour {
    font-size: 1.1em;
    padding: 12px 28px 16px 20px;
  }
  
  .postscript {
    font-size: 1rem;
    padding: 0 10px;
  }
}

/* Écrans moyens entre 361px et 495px */
@media (min-width: 361px) and (max-width: 495px) {
  body {
    padding: 16vmin 2vmin 10vmin;
  }
  
  .frame {
    margin-top: 45px;
  }
}

/* Très petits écrans (360px et moins) */
@media (max-width: 360px) {
  body {
    padding: 18vmin 1.5vmin 10vmin;
    min-height: 100vh;
  }
  
  .frame {
    padding: 56px 18px 28px;
    margin-top: 50px;
    width: 96%;
  }
  
  .frame::before {
    width: 85px;
    height: 20px;
    top: -12px;
  }
  
  h1 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  
  p.intro {
    font-size: 15px;
    margin-bottom: 20px;
  }
  
  .contact-form {
    gap: 18px;
  }
  
  .input-group label {
    font-size: 0.95rem;
  }
  
  .input-group input,
  .input-group textarea {
    padding: 10px 12px;
    font-size: 14px;
  }
  
  .input-group textarea {
    min-height: 110px;
  }
  
  .btn-submit {
    font-size: 1rem;
    padding: 14px 28px;
  }
  
  .bouton-retour {
    font-size: 1em;
    padding: 10px 24px 14px 18px;
  }
  
  .postscript {
    font-size: 0.9rem;
  }
}

/* Section du bouton d'envoi */
.submit-section { 
  display: flex; 
  justify-content: center;
  margin-top: 16px;
}

.btn-submit {
  font-family: 'Courier New', monospace;
  border: 0; 
  padding: 16px 32px; 
  border-radius: 8px; 
  cursor: pointer;
  background: #333; 
  color: #fff; 
  box-shadow: 2px 3px 0 rgba(0,0,0,.25);
  transform: rotate(.4deg); 
  transition: filter .15s, transform .1s;
  font-size: 1.1rem;
}

.btn-submit:hover { 
  filter: brightness(1.05); 
}

.btn-submit:active { 
  transform: translateY(1px) rotate(.4deg); 
  box-shadow: 1px 2px 0 rgba(0,0,0,.25); 
}
.postscript{
  margin-top: 24px; 
  text-align: center; 
  font-family: 'Shadows Into Light', cursive;
  font-size: 1.1rem; 
  opacity: .8;
  color: #666;
  line-height: 1.3;
}

.postscript a {
  color: #444;
  text-decoration: none;
  transition: color 0.2s ease;
  border-bottom: 1px dotted #999;
}

.postscript a:hover {
  color: #222;
  border-bottom: 1px solid #444;
}
.arrows{
  position:absolute; right:24px; top:10px; font-family:'Special Elite';
  opacity:.8; letter-spacing:4px; font-size:22px;
}

/* Bouton retour identique à la page projets */
.bouton-retour {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 14px 36px 18px 24px;
  background: #f7f3e9;
  box-shadow: 0 12px 32px -8px #aaa, 0 2px 0 #e0e0e0 inset;
  color: #444;
  letter-spacing: 1px;

  border: none;
  border-radius: 0 32px 0 32px / 0 40px 0 40px;

  font-family: "Indie Flower", "Comic Sans MS", cursive, sans-serif;
  font-size: 1.2em;

  text-align: left;
  position: relative;
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s, box-shadow 0.2s;
  outline: none;

  /* Effet de bord déchiré en bas */
  clip-path: polygon(
    0% 4%,
    3% 0%,
    7% 3%,
    12% 0%,
    18% 4%,
    23% 0%,
    28% 3%,
    33% 0%,
    38% 4%,
    43% 0%,
    48% 3%,
    53% 0%,
    58% 4%,
    63% 0%,
    68% 3%,
    73% 0%,
    78% 4%,
    83% 0%,
    88% 3%,
    93% 0%,
    97% 4%,
    100% 0%,
    100% 8%,
    97% 12%,
    100% 18%,
    97% 23%,
    100% 28%,
    97% 33%,
    100% 38%,
    97% 43%,
    100% 48%,
    97% 53%,
    100% 58%,
    97% 63%,
    100% 68%,
    97% 73%,
    100% 78%,
    97% 83%,
    100% 88%,
    97% 93%,
    100% 97%,
    96% 100%,
    92% 97%,
    88% 100%,
    84% 97%,
    80% 100%,
    76% 97%,
    72% 100%,
    68% 97%,
    64% 100%,
    60% 97%,
    56% 100%,
    52% 97%,
    48% 100%,
    44% 97%,
    40% 100%,
    36% 97%,
    32% 100%,
    28% 97%,
    24% 100%,
    20% 97%,
    16% 100%,
    12% 97%,
    8% 100%,
    4% 97%,
    0% 100%,
    0% 92%,
    3% 88%,
    0% 84%,
    3% 80%,
    0% 76%,
    3% 72%,
    0% 68%,
    3% 64%,
    0% 60%,
    3% 56%,
    0% 52%,
    3% 48%,
    0% 44%,
    3% 40%,
    0% 36%,
    3% 32%,
    0% 28%,
    3% 24%,
    0% 20%,
    3% 16%,
    0% 12%,
    3% 8%
  );
}

 html,
body {
  height: 100%;
  cursor: url(curseur-perso.png) 8 8, auto !important;
  
}

/* Pour les écrans supérieurs à 1300px : bouton en haut à gauche */
@media (min-width: 1301px) {
  body {
    overflow: hidden;
  }
  
  .bouton-retour {
    position: absolute;
    top: 8px;
    left: 32px;
    margin-top: 40px;
  }
}