:root {
  --bg-color: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --accent: #0070f3; 
  --border: #eaeaea;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Évite que le titre de la section soit caché sous le header fixe */
}
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-color);
  scroll-behavior: smooth;
}
/* --- LAYOUT GLOBAL --- */
section { padding: 4rem 1.5rem; }
.container { max-width: 1100px; margin: 0 auto; }
h2 { text-align: center; font-size: 2rem; margin-bottom: 2.5rem; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img, svg { vertical-align: middle; }
span{
  color:var(--accent)
}

/*--- NAVIGATION --- */
header {
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: #fff; z-index: 100;
}



.logo { 
  font-weight: 800; 
  font-size: 1.2rem;
}

.burger {
  display: flex;
  flex-direction: column;
  justify-content: center; 
  gap: 6px;                
  width: 30px;
  height: 30px;            
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}

.burger span {
  display: block;
  width: 30px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: all 0.3s ease;
  transform-origin: center; 
}


.burger.open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}


.burger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0); 
}


.burger.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

nav {
  display: flex;
  flex-wrap: wrap; 
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

nav ul {
  display: none; 
  width: 100%;   
  order: 3;      
  text-align: center;
  padding: 2rem 0;
}


nav ul.active {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.btn-main {
  background: var(--text-primary); 
  color: #fff; 
  padding: 1rem 2rem; 
  border: none; 
  border-radius: 6px;
  font-weight: 700; 
  cursor: pointer; 
  width: 100%; 
  display: inline-block; 
  text-align: center;
}

#hero { 
  background-image: url('assets/background-hero\ \(1500\ x\ 700\ px\)\ \(1\).webp');
  background-size: cover;      
  background-position: center; 
  background-repeat: no-repeat;
  text-align: center; 
  padding: 8rem 1.5rem;
  background-blend-mode: soft-light;
  height: 700px;
  h1 { 
    font-size: 2.5rem; 
    line-height: 1.1; 
    margin-bottom: 1.5rem; 
  }
  p { 
    font-size: 1.2rem; 
    max-width: 600px; 
    margin: 0 auto 2rem; 
  }
}

#accompagnement {
  background-color: #f9f9f9; 
  text-align: center;
  h2{
    font-size: 2.5rem;
  } 
}

.container p{
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin: 0 auto 1.5rem;
}
.grid-cards {
  display: grid; 
  grid-template-columns: 1fr; 
  gap: 1.5rem;
}
.grid-cards .card:nth-child(2) { transition-delay: 0.3s; }
.grid-cards .card:nth-child(3) { transition-delay: 0.6s; }

.card {
  background: #ffffff; 
  padding: 2rem; 
  border-radius: 12px;
  border: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0;
  height: 100%;
  box-shadow: 0px 0px 10px #ffffff inset;
  transform: translateY(20px);
  transition: 
    transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1), 
    box-shadow 1.5s ease, 
    opacity 1.2s ease,
    background 1.5s ease;

  will-change: transform, box-shadow;
h3 {
  display: flex;
  justify-content: space-between; 
  align-items: center;           
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
}
  p { 
    color: var(--text-secondary); 
    font-size: 0.95rem; 
    text-align: start;
  }
}

.card.reveal {
  opacity: 1;
  background: #ffffff;
  box-shadow: 15px 15px 30px #bebebe, 
              0px 0px 30px #ffffff;
  transform: translateY(-8px);
}

.card-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 1.5rem;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.card:hover .card-icon {
  transform: scale(1.1);
}

#approche{
  background-color: #f9f9f9;  
}

#pour-qui .container p {
  text-align: center;
}

#seo { 
    color: black; 
    padding: 4rem 1.5rem;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem 1rem; 
    max-width: 500px;
    margin: 3rem auto 0;
}

.seo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.seo-item span {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-align: center;
    }

.score-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid #00cc66;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: #00cc66;
    background: rgba(0, 204, 102, 0.1);
    margin-bottom: 1rem;
}



.calc-row span {
    color: var(--text-secondary); 
    font-size: 0.95rem; 
    text-align: start;
  }

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-item {
    padding: 0 ; 
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.portfolio-image {
    position: relative;
    height: 220px;
    background: #f0f0f0;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.portfolio-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.tags {
    display: flex;
    gap: 0.5rem;
}

.tags span {
    font-size: 0.7rem;
    background: #f0f0f0;
    padding: 4px 10px;
    border-radius: 4px;
    color: var(--text-primary);
    font-weight: 600;
}


.conversion-area { 
  background: #f9f9f9; 
}

.grid-conversion { 
  display: grid; 
  grid-template-columns: 1fr; 
  gap: 3rem; 
}

.form-card {
  background: #fff; 
  padding: 2rem; 
  border-radius: 12px; 
  border: 1px solid var(--border);
}

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

.form-group label { 
  display: block; 
  font-weight: 600; 
  margin-bottom: 0.5rem; 
  font-size: 0.9rem; 
}

.form-group input, .form-group textarea {
  width: 100%; 
  padding: 0.8rem; 
  border: 1px solid var(--border); 
  border-radius: 6px; 
  font-family: inherit;
}

#quoteForm label {
  display: block; 
  padding: 1rem; 
  border: 1px solid var(--border); 
  border-radius: 8px; 
  margin-bottom: 1rem; 
  cursor: pointer;
}

.total-display { 
  text-align: center; 
  padding-top: 1.5rem; 
  border-top: 1px solid var(--border); 
  margin-top: 1.5rem; 
}

#totalPrice { 
  font-size: 2.5rem; 
  font-weight: 800; 
  color: var(--accent); 
}


.visio-calendar {
    background: #fcfcfc;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    border-top: 1px solid var(--border);
}

.calendar-header {
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    text-align: center;
}

.day { font-size: 0.7rem; color: var(--text-secondary); text-transform: uppercase; }

.date {
    padding: 8px;
    border-radius: 6px;
    background: #fff;
    border: 1px solid var(--border);
    font-size: 0.9rem;
    cursor: pointer;
}

.date.active {
    border-color: var(--accent);
    color: var(--accent);
    font-weight: bold;
}

.date.disabled { opacity: 0.3; cursor: not-allowed; }

.time-slots {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.slot {
    padding: 10px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-align: center;
    font-size: 0.85rem;
    cursor: pointer;
}

.slot.selected {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.calendar-btn { margin-top: 1rem; }

.footer-legal-btn {
    background: none;
    border: none;
    padding: 0;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
    display: inline-block;
}
.footer-legal-btn:hover { color: var(--accent); }

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    color: var(--text-primary);
}
.calendar-header button {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    width: 28px;
    height: 28px;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.calendar-header button:hover:not(:disabled) {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.calendar-header button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    text-align: center;
    margin-top: 0.5rem;
}

.date.disabled {
    opacity: 0.25;
    cursor: not-allowed;
    background: #f5f5f5;
}

.date.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-weight: 700;
}

.date {
    padding: 8px 4px;
    border-radius: 6px;
    background: #fff;
    border: 1px solid var(--border);
    font-size: 0.9rem;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
    color: var(--text-primary);
}
.date:not(.disabled):not(.active):hover {
    border-color: var(--accent);
    color: var(--accent);
}

.slot {
    padding: 10px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-align: center;
    font-size: 0.85rem;
    cursor: pointer;
    font-family: inherit;
    color: var(--text-primary);
    transition: all 0.2s ease;
}
.slot:hover { border-color: var(--accent); color: var(--accent); }
.slot.selected {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.cal-slots-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.cal-summary {
    background: #f0f7ff;
    border: 1px solid var(--accent);
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-top: 0.5rem;
}

.visio-content {
    padding: 2rem;
}
.visio-content h2
{
  text-align: left;
}

.legal-links { 
  display: flex; 
  justify-content: center; 
  gap: 1rem; 
  font-size: 0.8rem; 
  color: var(--text-secondary); 
}

.modal {
  display: none; 
  position: fixed; 
  inset: 0; 
  background: rgba(0,0,0,0.8); 
  backdrop-filter: blur(5px);
  z-index: 1000; 
  align-items: center; 
  justify-content: center; 
  padding: 1rem;
}

.modal.active { 
  display: flex; 
}

.modal-content { 
  background: #fff; 
  padding: 2rem; 
  border-radius: 12px; 
  max-width: 600px; 
  width: 100%; 
  position: relative; 
}

.close-modal { 
  position: absolute; 
  top: 1rem; 
  right: 1rem; 
  font-size: 2rem; 
  border: none; 
  background: none; 
  cursor: pointer; 
}

footer {
    background: #ffffff;
    padding: 3rem 1.5rem 1.5rem;
    border-top: 1px solid var(--border);
}

footer .container {
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 3rem;
    text-align: left;
}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    width: 100%;
}

footer .logo {
    font-size: 1.3rem;
    font-weight: 800;
}

.footer-contact {
    font-style: normal;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    text-align: center;
}

.footer-contact strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
}

.footer-contact a {
    display: block;
    transition: color 0.3s ease;
}

.footer-contact a:hover {
    color: var(--accent);
}


.footer-socials {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.icon-svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary);
    transition: all 0.3s ease;
}

.footer-socials a {
  display: inline-block;
  transition: color 0.3s ease;
}

.footer-socials a:hover .icon-svg {
  stroke: var(--accent);
  animation: bounce-3 0.8s ease-in-out; 
}
.icon-svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-secondary);
  transition: stroke 0.3s ease;
  will-change: transform;
}


.footer-column{
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}
.footer-column h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
}

.footer-nav a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color 0.3s ease;
    display: inline-block;   
}

.footer-nav a:hover {
    color: var(--accent);
}


.copyright-text {
    grid-column: 1 / -1;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: #999;
    text-align: center;
}

footer .container p{
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0 auto;
}

@media (min-width: 768px) {
    footer .container {
        grid-template-columns: 1.5fr 1fr;
        align-items: start;
    }

    .footer-column {
        justify-self: end;
        text-align: right;
    }

    .footer-nav {
        align-items: flex-end;
    }

    .footer-socials {
        justify-content: flex-start;
    }
}

@media (min-width: 800px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
  nav ul { display: flex; position: static; width: auto; padding: 0; border: none; flex-direction: row; gap: 2rem; }
  .burger { display: none; }
  #hero h1 { font-size: 4rem; }
  .grid-cards { grid-template-columns: repeat(3, 1fr); }
  .seo-grid { grid-template-columns: repeat(4, 1fr); }
  .grid-conversion { grid-template-columns: 1fr 1fr; align-items: start; }
  .btn-main { width: auto; }
  .form-card .btn-main { width: 100%; }
}
@media (min-width: 768px) {
    .seo-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 900px;
    }
}
@media (min-width: 900px) {
    .unified-card {
        display: grid;
        grid-template-columns: 1fr 1fr; 
        flex-direction: row;
    }

    .visio-image-side {
        height: auto;
        order: 2;     
    }

    .visio-content {
        padding: 4rem;
        order: 1;      
    } 
    
    .visio-calendar {
        border-top: none;
        border-left: 1px solid var(--border); 
    }
}

@keyframes bounce-3 {
  0%, 100% { transform: translateY(0); }
  30% { transform: translateY(-8px); }
  50% { transform: translateY(0); }
  70% { transform: translateY(-4px); }
  90% { transform: translateY(0); }
}