/* ======  RESET  ====== */
*{box-sizing:border-box;margin:0;padding:0;
  font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-weight:300;
  letter-spacing:.5px;
}
a{color:inherit;text-decoration:none;}

/* ======  VARIABLES  ====== */
:root{
  --white:#ffffff;
  --black:#000000;
  --dark-gray:#333333;
  --medium-gray:#cccccc;
  --light-gray:#f5f5f5;
  --text-gray:#777777;
  --sunset-gradient: linear-gradient(180deg, #1a2a4a 0%, #3d5a7a 20%, #d0d5dd 40%, #e5e5e8 50%, #e0d5cc 60%, #d89a78 80%, #c88060 100%);
}

/* ======  BODY  ====== */
body{
  padding-top:80px;
  background:#fff;
  line-height:1;
}

/* ======  NAVBAR BLANC FIXE  ====== */
header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:1000;
  background:var(--white);
  border-bottom:1px solid var(--medium-gray);
}

.navbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:15px 40px;
  max-width:1600px;
  margin:0 auto;
  height:80px;
}

.navbar-left{
  flex:0 0 auto;
}

.navbar-left .logo{
  height:300px;
  width:auto;
  display:block;
  object-fit:contain;
}

/* ======  BARRE DE RECHERCHE  ====== */
.navbar-center{
  flex:0 0 auto;
  width:450px;
}

.search-form{
  display:flex;
  align-items:stretch;
  border:1px solid var(--medium-gray);
  background:var(--white);
  height:45px;
}

.search-form input{
  flex:1;
  padding:0 20px;
  border:none;
  background:transparent;
  font-size:.95rem;
  outline:none;
  color:var(--black);
}

.search-form input::placeholder{
  color:var(--text-gray);
}

.search-form button{
  flex:0 0 auto;
  width:50px;
  background:transparent;
  border:none;
  border-left:1px solid var(--medium-gray);
  cursor:pointer;
  color:var(--black);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .3s ease;
}

.search-form button:hover{
  background:var(--light-gray);
}

.search-form:focus-within{
  border-color:var(--dark-gray);
}

.navbar-right{
  display:flex;
  gap:30px;
  align-items:center;
}

.icon-link{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--black);
  font-size:.9rem;
  transition:color .3s ease;
}

.icon-link:hover{
  color:var(--dark-gray);
}

.icon-link i{
  font-size:1.3rem;
}

.icon-label{
  font-size:.85rem;
  letter-spacing:.5px;
}

.mobile-menu-toggle{
  display:none;
}

/* ======  CHECKOUT PAGE  ====== */
.container{
  max-width:1400px;
  margin:0 auto;
  padding:0 2rem;
}

.page-title{
  font-size:2.5rem;
  font-weight:200;
  letter-spacing:3px;
  text-align:center;
  margin:3rem 0;
  color:#111;
  text-transform:capitalize;
}

.checkout-content{
  display:grid;
  grid-template-columns:1fr 400px;
  gap:4rem;
  padding:2rem 0 4rem;
}

/* ======  CHECKOUT FORM  ====== */
.checkout-form-section{
  background:var(--white);
}

.checkout-form h2{
  font-size:1.3rem;
  font-weight:300;
  letter-spacing:1.5px;
  color:var(--black);
  margin-bottom:2rem;
  padding-bottom:1rem;
  border-bottom:1px solid var(--light-gray);
}

.form-group{
  margin-bottom:1.5rem;
}

.form-group label{
  display:block;
  font-size:.9rem;
  color:var(--dark-gray);
  margin-bottom:.5rem;
  letter-spacing:.5px;
  font-weight:400;
}

.required{
  color:#d32f2f;
  font-weight:400;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea{
  width:100%;
  padding:12px 15px;
  border:1px solid var(--medium-gray);
  background:var(--white);
  font-size:.95rem;
  color:var(--black);
  transition:all .3s ease;
  font-family:inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline:none;
  border-color:var(--dark-gray);
}

.form-group input::placeholder,
.form-group textarea::placeholder{
  color:var(--text-gray);
}

.form-group select{
  cursor:pointer;
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 15px center;
  padding-right:40px;
}

.form-group textarea{
  resize:vertical;
  min-height:100px;
  line-height:1.6;
}

/* ======  CHECKBOX  ====== */
.checkbox-group{
  margin:2rem 0;
  padding:1.5rem;
  background:var(--light-gray);
  border:1px solid var(--medium-gray);
}

.checkbox-label{
  display:flex;
  align-items:center;
  gap:1rem;
  cursor:pointer;
}

.checkbox-label input[type="checkbox"]{
  width:20px;
  height:20px;
  cursor:pointer;
}

.checkbox-text{
  font-size:.95rem;
  color:var(--black);
  letter-spacing:.3px;
  font-weight:400;
}

/* ======  ORDER SUMMARY  ====== */
.order-summary{
  background:var(--light-gray);
  padding:2rem;
  height:fit-content;
  position:sticky;
  top:100px;
  border:1px solid var(--medium-gray);
}

.order-summary h2{
  font-size:1.3rem;
  font-weight:300;
  letter-spacing:1.5px;
  color:var(--black);
  margin-bottom:1.5rem;
  padding-bottom:1rem;
  border-bottom:1px solid var(--medium-gray);
}

/* ======  SUMMARY ITEMS  ====== */
.summary-items{
  display:flex;
  flex-direction:column;
  gap:1rem;
  margin-bottom:2rem;
}

.summary-item{
  display:flex;
  gap:1rem;
  padding-bottom:1rem;
  border-bottom:1px solid var(--medium-gray);
}

.summary-item img{
  width:80px;
  height:80px;
  object-fit:contain;
  border:1px solid var(--medium-gray);
  background:#ffffff !important;
  padding:5px;
  box-sizing:border-box;
}

.summary-item-info{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:.3rem;
}

.summary-item-info h4{
  font-size:.95rem;
  font-weight:400;
  letter-spacing:.5px;
  color:var(--black);
}

.summary-item-info p{
  font-size:.85rem;
  color:var(--text-gray);
  letter-spacing:.3px;
}

.item-price{
  font-size:.95rem;
  font-weight:400;
  color:var(--black);
  margin-top:.3rem;
}

/* ======  SUMMARY TOTALS  ====== */
.summary-totals{
  display:flex;
  flex-direction:column;
  gap:.8rem;
  padding-top:1rem;
  border-top:1px solid var(--medium-gray);
}

.summary-line{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:.95rem;
  color:var(--text-gray);
  letter-spacing:.3px;
}

.summary-line span:last-child{
  font-weight:400;
  color:var(--black);
}

.summary-total{
  font-size:1.2rem;
  font-weight:400;
  color:var(--black);
  padding-top:1rem;
  margin-top:1rem;
  border-top:1px solid var(--medium-gray);
}

.summary-total span{
  font-weight:400;
}

.summary-total span:last-child{
  font-size:1.3rem;
}

/* ======  BUTTONS  ====== */
.btn-primary{
  background:var(--black);
  color:var(--white);
  border:1px solid var(--black);
  padding:14px 24px;
  font-size:.95rem;
  font-weight:300;
  letter-spacing:1px;
  text-transform:capitalize;
  cursor:pointer;
  transition:all .3s ease;
  text-align:center;
}

.btn-primary:hover{
  background:var(--white);
  color:var(--black);
}

.btn-large{
  padding:16px 28px;
  font-size:1rem;
}

.btn-full{
  width:100%;
  margin-top:1rem;
}

/* ======  FOOTER  ====== */
footer{
  background-color:var(--white);
  border-top:1px solid var(--medium-gray);
  padding:40px 20px;
  margin-top:auto;
}

.footer-nav{
  display:flex;
  justify-content:space-evenly;
  align-items:center;
  flex-wrap:wrap;
  gap:20px;
  max-width:1400px;
  margin:0 auto;
  text-transform:lowercase;
}

.footer-nav a{
  color:var(--black);
  font-size:0.85rem;
  font-weight:400;
  letter-spacing:1px;
  transition:all 0.3s ease;
  white-space:nowrap;
}

.footer-nav a:hover{
  color:var(--dark-gray);
  text-decoration:underline;
}

.footer-bottom{
  text-align:right;
  padding:20px 40px;
  background-color:transparent;
}

.footer-bottom p{
  margin:0;
  font-size:0.65rem;
  color:#000000;
  letter-spacing:0.5px;
}

/* ======  RESPONSIVE  ====== */

/* Tablettes (768px - 1024px) */
@media (max-width: 1024px){
  body{
    padding-top:70px;
  }
  
  .navbar{
    padding:15px 30px;
    height:70px;
  }
  
  .navbar-left .logo{
    height:250px;
  }
  
  .navbar-center{
    width:350px;
  }
  
  .navbar-right{
    gap:20px;
  }
  
  .icon-label{
    display:none;
  }
  
  .container{
    padding:0 1.5rem;
  }
  
  .checkout-content{
    grid-template-columns:1fr 350px;
    gap:3rem;
  }
  
  .order-summary{
    padding:1.5rem;
  }
  
  .summary-item img{
    width:70px;
    height:70px;
    padding:4px;
  }
}

/* Tablettes petites et grandes mobiles (481px - 768px) */
@media (max-width: 768px){
  body{
    padding-top:60px;
  }
  
  .navbar{
    padding:12px 20px;
    height:60px;
  }
  
  .navbar-left .logo{
    height:200px;
  }
  
  .navbar-center{
    max-width:auto;
    width:auto;
    margin:0 10px;
  }
  
  .search-form{
    border:none;
    background:transparent;
    min-width:auto;
    height:auto;
  }
  
  .search-form input{
    display:none;
  }
  
  .search-form button{
    border:none;
    width:auto;
    padding:8px 12px;
    background:transparent;
    display:flex;
    align-items:center;
    gap:6px;
    font-size:.65rem;
    letter-spacing:.3px;
  }
  
  .search-form button::after{
    content:"recherche";
    font-size:.65rem;
    text-transform:lowercase;
  }
  
  .navbar-right{
    gap:15px;
  }
  
  .icon-link i{
    font-size:1.2rem;
  }
  
  .footer-nav{
    flex-direction:column;
    gap:15px;
  }
  
  .footer-bottom{
    text-align:center;
    padding:15px 20px;
  }
  
  .page-title{
    font-size:2rem;
    letter-spacing:2px;
    margin:2rem 0;
  }
  
  .checkout-content{
    grid-template-columns:1fr;
    gap:2rem;
    padding:1.5rem 0 3rem;
  }
  
  .order-summary{
    position:static;
    order:-1;
    margin-bottom:2rem;
  }
  
  .checkout-form h2{
    font-size:1.1rem;
    margin-bottom:1.5rem;
  }
  
  .form-group{
    margin-bottom:1.2rem;
  }
  
  .form-group label{
    font-size:.85rem;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea{
    padding:10px 12px;
    font-size:.9rem;
  }
  
  .checkbox-group{
    padding:1.2rem;
    margin:1.5rem 0;
  }
  
  .checkbox-text{
    font-size:.9rem;
  }
  
  .summary-items{
    gap:.8rem;
  }
  
  .summary-item{
    gap:.8rem;
  }
  
  .summary-item img{
    width:60px;
    height:60px;
    padding:4px;
  }
  
  .summary-item-info h4{
    font-size:.9rem;
  }
  
  .summary-item-info p{
    font-size:.8rem;
  }
}

/* Petits mobiles (320px - 480px) */
@media (max-width: 480px){
  body{
    padding-top:55px;
  }
  
  .navbar{
    padding:10px 15px;
    height:55px;
  }
  
  .navbar-left .logo{
    height:150px;
  }
  
  .search-form button{
    padding:6px 10px;
    gap:5px;
    font-size:.6rem;
  }
  
  .search-form button::after{
    font-size:.6rem;
  }
  
  .search-form button i{
    font-size:1rem;
  }
  
  .navbar-right{
    gap:10px;
  }
  
  .icon-link i{
    font-size:1.1rem;
  }
  
  .footer-nav a{
    font-size:.8rem;
  }
  
  .footer-bottom p{
    font-size:.6rem;
  }
  
  .container{
    padding:0 1rem;
  }
  
  .page-title{
    font-size:1.6rem;
    letter-spacing:1.5px;
    margin:1.5rem 0;
  }
  
  .checkout-content{
    padding:1rem 0 2.5rem;
  }
  
  .order-summary{
    padding:1.2rem;
  }
  
  .order-summary h2{
    font-size:1rem;
    margin-bottom:1rem;
  }
  
  .summary-items{
    gap:.6rem;
    margin-bottom:1.5rem;
  }
  
  .summary-item{
    flex-direction:column;
    gap:.6rem;
  }
  
  .summary-item img{
    width:100%;
    height:150px;
    padding:3px;
  }
  
  .summary-item-info h4{
    font-size:.85rem;
  }
  
  .summary-item-info p{
    font-size:.75rem;
  }
  
  .item-price{
    font-size:.88rem;
  }
  
  .summary-totals{
    gap:.6rem;
  }
  
  .summary-line{
    font-size:.88rem;
  }
  
  .summary-total{
    font-size:1.1rem;
  }
  
  .summary-total span:last-child{
    font-size:1.2rem;
  }
  
  .checkout-form h2{
    font-size:1rem;
    margin-bottom:1.2rem;
  }
  
  .form-group{
    margin-bottom:1rem;
  }
  
  .form-group label{
    font-size:.82rem;
    margin-bottom:.4rem;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea{
    padding:10px;
    font-size:.85rem;
  }
  
  .checkbox-group{
    padding:1rem;
    margin:1.2rem 0;
  }
  
  .checkbox-label{
    gap:.8rem;
  }
  
  .checkbox-label input[type="checkbox"]{
    width:18px;
    height:18px;
  }
  
  .checkbox-text{
    font-size:.85rem;
  }
  
  .btn-large{
    padding:14px 24px;
    font-size:.9rem;
  }
}

/* Très petits écrans (< 360px) */
@media (max-width: 360px){
  body{
    padding-top:50px;
  }
  
  .navbar{
    height:50px;
  }
  
  .navbar-left .logo{
    height:120px;
  }
  
  .search-form button::after{
    font-size:.55rem;
  }
  
  .page-title{
    font-size:1.4rem;
  }
  
  .order-summary h2{
    font-size:.95rem;
  }
  
  .summary-item img{
    height:130px;
    padding:2px;
  }
  
  .summary-item-info h4{
    font-size:.8rem;
  }
  
  .summary-line{
    font-size:.82rem;
  }
  
  .checkout-form h2{
    font-size:.95rem;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea{
    font-size:.82rem;
  }
}

.page-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin: 120px auto 0;
    max-width: 1200px;
    padding: 0 20px;
}

.back-button {
    width: auto;
    height: auto;
    border: none;
    background: transparent;
    color: #000;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
    padding: 0;
}

.back-button:hover {
    color: #555;
    transform: translateX(-5px);
}

.back-button:active {
    transform: translateX(-8px);
}

.page-title-section {
    flex: 1;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin: 0;
    text-align: left;
    color: #000;
}

.page-subtitle {
    font-size: 1rem;
    color: #777;
    margin: 0.5rem 0 0 0;
    text-align: left;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .page-header {
        gap: 1rem;
        margin: 90px auto 0;
        padding: 0 15px;
    }
    
    .back-button {
        font-size: 1.5rem;
    }
    
    .page-title {
        font-size: 1.8rem;
        letter-spacing: 1.5px;
    }
    
    .page-subtitle {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        gap: 0.8rem;
        margin: 80px auto 0;
    }
    
    .back-button {
        font-size: 1.3rem;
    }
    
    .back-button:hover {
        transform: translateX(-3px);
    }
    
    .page-title {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }
    
    .page-subtitle {
        font-size: 0.85rem;
    }
}

@media (max-width: 360px) {
    .back-button {
        font-size: 1.2rem;
    }
    
    .page-title {
        font-size: 1.3rem;
    }
    
    .page-subtitle {
        font-size: 0.8rem;
    }
}