:root {
    --dark-green: #6e720f;
    --green: #C8D400;
    --y: #C8D400;
    --tl-color: #9ca400;
    --y-dim: rgba(200,212,0,0.10);
    --black: #111;
    --white: #FAFAFA;
    --gray: #F4F4F0;
    --muted: #777;
    --border: #E2E2DC;
    --nav-h: 64px;
}

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

html { 
    scroll-behavior: smooth; 
}

body { 
    font-family: 'Barlow', sans-serif; 
    background: var(--white); 
    color: var(--black); 
    line-height: 1.6; 
    overflow-x: hidden; 
}

/* Navigation */
.logos-container {
    display: flex; 
    align-items: center; 
    gap: 26px;
}

.logos-container span {
    font-size: 20px; 
    font-weight: 700; 
    color: var(--muted);
}

nav {
    position: fixed; 
    top: 0; 
    left: 0; 
    right: 0; 
    z-index: 200;
    height: var(--nav-h);
    background: rgba(250,250,250,0.97);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--y);
    display: flex; 
    align-items: center; 
    justify-content: space-between;
    padding: 0 64px;
}

.nav-logo {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 21px; 
    font-weight: 900; 
    letter-spacing: 3px;
    color: var(--black); 
    text-decoration: none;
    display: flex; 
    align-items: center; 
    gap: 10px;
}

.nav-ig2i {
    max-width: 100px;
    height: auto;
}

.nav-links { 
    display: flex; 
    gap: 36px; 
    list-style: none; 
}

.nav-links a {
    font-size: 10.5px; 
    font-weight: 700; 
    letter-spacing: 2px;
    text-transform: uppercase; 
    color: var(--muted); 
    text-decoration: none;
    transition: color .2s; 
    position: relative; 
    padding-bottom: 2px;
}

.nav-links a::after {
    content: ''; 
    position: absolute; 
    bottom: -4px; 
    left: 0;
    width: 0; 
    height: 2px; 
    background: var(--y); 
    transition: width .25s;
}

.nav-links a:hover, .nav-links a.active { 
    color: var(--black); 
}

.nav-links a.active::after, .nav-links a:hover::after { 
    width: 100%; 
}

/* Hamburger */
.hamburger {
    display: none; flex-direction: column; justify-content: center;
    gap: 5px; width: 36px; height: 36px; cursor: pointer;
    background: none; border: none; padding: 4px;
}

.hamburger span {
    display: block; 
    height: 2px; 
    background: var(--black);
    border-radius: 2px; 
    transition: transform .3s, opacity .3s;
}

.hamburger span:nth-child(1) { width: 22px; }
.hamburger span:nth-child(2) { width: 16px; }
.hamburger span:nth-child(3) { width: 22px; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); width: 22px; }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); width: 22px; }

/* Mobile menu panel */
.mobile-nav {
    display: none;
    position: fixed; 
    top: var(--nav-h); 
    left: 0; 
    right: 0; 
    z-index: 150;
    background: white;
    border-bottom: 2px solid var(--green);
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0,0,0,0.07);
    opacity: 0; transform: translateY(-6px);
    transition: opacity .22s, transform .22s;
    pointer-events: none;
}

.mobile-nav.open { 
    opacity: 1; 
    transform: translateY(0); 
    pointer-events: auto; 
}

.mobile-nav a {
    display: block; 
    padding: 15px 32px;
    font-size: 11px; 
    font-weight: 700; 
    letter-spacing: 2px;
    text-transform: uppercase; 
    color: var(--muted); 
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: border-color .2s, color .2s;
    border-bottom: 1px solid var(--border);
}

.mobile-nav a:last-child { 
    border-bottom: none; 
}

.mobile-nav a:hover { 
    color: var(--black); 
    border-color: var(--green); 
    background: var(--gray); 
}

/* Section Hero */
#altiqx {
    min-height: 100vh;
    background: var(--white);
    position: relative; 
    overflow: hidden;
    display: flex; 
    flex-direction: column; 
    justify-content: center;
    padding: calc(var(--nav-h) + 60px) 64px 80px;
}

.hero-deco {
    position: absolute; 
    right: 0; 
    top: 0; 
    bottom: 0;
    width: 52%; 
    pointer-events: none; 
    overflow: hidden;
}

.hero-deco svg { 
    width: 100%; 
    height: 100%; 
}

.hero-content { 
    position: relative; 
    z-index: 2; 
    max-width: 620px; 
}

.hero-kicker {
    display: flex; 
    align-items: center; 
    gap: 12px;
    font-size: 10.5px; 
    font-weight: 700; 
    letter-spacing: 3px;
    text-transform: uppercase; 
    color: var(--muted); 
    margin-bottom: 28px;
}

.hero-kicker-bar { 
    width: 28px; 
    height: 2px; 
    background: var(--green); 
    flex-shrink: 0; 
}

.hero-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 80px; 
    font-weight: 900; 
    text-transform: uppercase;
    line-height: 0.9; 
    letter-spacing: -2px; 
    margin-bottom: 30px;
    color: var(--black);
}

.hero-title em { 
    font-style: normal; 
    color: var(--green); 
}

.hero-lead {
    font-size: 15.5px; 
    color: #4a4a4a; 
    line-height: 1.85;
    max-width: 500px; 
    margin-bottom: 40px;
}

.hero-cta {
    display: inline-flex; 
    align-items: center; 
    gap: 12px;
    background: var(--black); 
    color: white;
    padding: 12px 26px 12px 18px;
    font-size: 11px; 
    font-weight: 700; 
    letter-spacing: 2px;
    text-transform: uppercase; 
    text-decoration: none;
    border: 2px solid var(--black);
    transition: background .2s, color .2s, border-color .2s;
}

.hero-cta:hover { 
    background: var(--green); 
    color: var(--black); 
    border-color: var(--green); 
}

.hero-stats {
    display: flex; 
    gap: 0; 
    margin-top: 60px;
    border-top: 1px solid var(--border); 
    padding-top: 36px;
}

.stat {
    padding-right: 40px; 
    margin-right: 40px;
    border-right: 1px solid var(--border);
}

.stat:last-child { 
    border-right: none; 
    padding-right: 0; 
    margin-right: 0; 
}

.stat-n {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 38px; 
    font-weight: 900; 
    color: var(--black);
    line-height: 1; 
    display: flex; 
    align-items: baseline; 
    gap: 3px;
}

.stat-n sup { 
    font-size: 16px; 
    color: var(--green); 
    font-weight: 900; 
}

.stat-l { 
    font-size: 11px; 
    color: var(--muted); 
    margin-top: 5px; 
}

/* Sections */
.section-wrap { 
    padding: 96px 64px; 
}

.extra-section {
    padding-top: 20px !important;
}

.section-wrap.alt { 
    background: var(--gray); 
}

.section-head { 
    margin-bottom: 52px; 
}

.section-kicker {
    display: flex; 
    align-items: center; 
    gap: 10px;
    font-size: 10px; 
    font-weight: 700; 
    letter-spacing: 3px;
    text-transform: uppercase; 
    color: var(--green); 
    margin-bottom: 14px;
}

.section-kicker::before { 
    content: ''; 
    width: 18px; 
    height: 2px; 
    background: var(--green); 
}

.section-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 52px; 
    font-weight: 900; 
    text-transform: uppercase;
    color: var(--black); 
    line-height: 1; 
    letter-spacing: -1px; 
    margin-bottom: 14px;
}

.section-body { 
    font-size: 15px; 
    color: #555; 
    /* max-width: 560px;  */
    line-height: 1.85; 
}

/* Présentation de l'équipe */
.team-row {
    display: flex; 
    gap: 56px; 
    flex-wrap: wrap;
    justify-content: center; 
    margin-bottom: 0;
}

.member {
    width: 230px; 
    flex-shrink: 0;
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    text-align: center;
}

/* Photo */
.photo-ring {
    position: relative; 
    width: 150px; 
    height: 150px; 
    margin-bottom: 18px;
    flex-shrink: 0;;
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    object-position: top;
    display: block;
    border-radius: 50%;
    outline: 5px solid var(--green);
    transition: transform .3s;
}

.member:hover .profile-photo {
    transform: scale(1.05);
}

/* Affichage des informations */
.member-name {
    font-size: 16px; 
    font-weight: 700; 
    color: var(--black);
    margin-bottom: 4px; 
    line-height: 1.2;
}

.member-role {
    font-size: 12px; 
    font-weight: 700; 
    text-transform: uppercase;
    letter-spacing: 1.5px; 
    color: var(--dark-green); 
    margin-bottom: 10px;
}

.member-bio {
    font-size: 13px; 
    color: #555; 
    line-height: 1.65;
}

.member-bio strong { 
    color: var(--black); 
    font-weight: 700; 
}

.member-company {
    display: inline-block; margin-top: 8px;
    font-size: 9.5px; font-weight: 700; letter-spacing: 1px;
    text-transform: uppercase; color: #999;
    border-top: 1px solid var(--border); padding-top: 6px;
    width: 100%;
}

/* Contexte */
.ctx-grid {
    display: grid; 
    grid-template-columns: 1.1fr 0.9fr; 
    gap: 72px; 
    align-items: start;
}

.ctx-text p { 
    font-size: 15px; 
    color: #444; 
    line-height: 1.9; 
    margin-bottom: 16px; 
}

.ctx-text p strong { 
    color: var(--black); 
}

.tl-label {
    font-size: 16px; 
    font-weight: 700; 
    letter-spacing: 3px;
    text-transform: uppercase; 
    color: var(--muted); 
    margin-bottom: 26px;
}

.space-top {
    margin-top: 16px;
}

.deliverables.stag {
    width: fit-content;
}

.deliverables.stag ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.deliverables.stag ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    font-size: 16px;
    color: #222;
}

.deliverables.stag ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 10px;
    height: 10px;
    background-color: var(--green); 
}

.timeline { 
    position: relative; 
    padding-left: 22px; 
}

.timeline::before {
    content: ''; 
    position: absolute; 
    left: 4px; 
    top: 12px; 
    bottom: 0;
    width: 1px; 
    background: var(--tl-color);
}

.tl-item { 
    margin-bottom: 26px; 
    position: relative; 
}

.tl-dot {
    position: absolute; 
    left: -22px; 
    top: 9px;
    width: 9px; 
    height: 9px; 
    background: var(--tl-color);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.tl-date {
    font-size: 16px; 
    font-weight: 700; 
    text-transform: uppercase;
    letter-spacing: 1.5px; 
    color: var(--tl-color); 
    margin-bottom: 5px;
}

.tl-text { 
    font-size: 15px; 
    color: #555; 
    line-height: 1.65; 
}

/* Objectifs */
#objectifs .ctx-text {
    max-width: 800px;
}

.engagement-section {
    padding: 20px;
    background: #f4f4f4;
    font-family: 'Segoe UI', sans-serif;
}

.engagement-container {
    max-width: 1100px;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.engagement-card {
    background: #ffffff;
    padding: 35px;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: 0.3s ease;
    position: relative;
    overflow: hidden;
}

.engagement-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.engagement-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #b7c800; /* vert/jaune */
    letter-spacing: 1px;
}

.engagement-card p {
    color: #333;
    line-height: 1.6;
    font-size: 15px;
}

.engagement-card strong {
    font-weight: 600;
}

.engagement-icon {
    width: 12px;
    height: 12px;
    background: #b7c800;
    border-radius: 50%;
    margin-bottom: 20px;
}

.objectifs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.obj-card {
    background: var(--gray);
    padding: 36px 32px;
    position: relative;
    overflow: hidden;
    transition: background .2s;
}

.obj-card:hover { background: white; }

.obj-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    height: 2px; width: 0;
    background: var(--green);
    transition: width .4s;
}

.obj-card:hover::after { width: 100%; }

.obj-num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 64px; font-weight: 900;
    color: #9ca400; opacity: .12;
    line-height: 1;
    position: absolute; top: 12px; right: 20px;
    pointer-events: none; user-select: none;
}

.obj-icon {
    width: 36px; height: 36px; margin-bottom: 16px;
    background: var(--y-dim);
    clip-path: polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.obj-icon svg { width: 17px; height: 17px; }

.obj-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 20px; font-weight: 900;
    text-transform: uppercase; letter-spacing: .5px;
    color: var(--black); margin-bottom: 10px;
}

.obj-body {
    font-size: 13.5px; color: #555; line-height: 1.78;
    max-width: 480px;
}

.obj-body strong { color: var(--black); }



/* L'école */ 
#ecole .ctx-text {
    max-width: 800px;
}

.ecole-text p {
    font-size: 15px;
    color: #444;
    line-height: 1.9;
    margin-bottom: 18px;
}

.ecole-image {
    position: relative;
}

.ecole-image img {
    max-height: 300px;
    display: block;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    transition: transform .4s ease;
}

.ecole-image img:hover {
    transform: scale(1.03);
}

.ecole-row {
    display: flex;
    align-items: center;
    gap: 60px;
}

.ecole-text {
    flex: 1;
}

.ecole-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    padding-right: 100px;
}

.ecole-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
}

@media (max-width: 1300px) {
    .ecole-image {
        padding-right: 0px;
    }
} 



/* Compétences  */
.skills-grid {
    display: grid; 
    grid-template-columns: repeat(4, 1fr);
    gap: 1px; 
    background: var(--border); 
    border: 1px solid var(--border);
}

.skill {
    background: var(--gray); 
    padding: 26px 20px;
    position: relative; 
    overflow: hidden;
    transition: background .2s; 
    cursor: default;
}

.skill:hover { 
    background: white; 
}

.skill::after {
    content: ''; 
    position: absolute; 
    bottom: 0; 
    left: 0;
    height: 2px; 
    width: 0; 
    background: var(--green); 
    transition: width .4s;
}

.skill:hover::after { 
    width: 100%; 
}

.skill-ico {
    width: 34px; 
    height: 34px; 
    margin-bottom: 16px;
    display: flex; 
    align-items: center; 
    justify-content: center;
    background: var(--y-dim);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.skill-ico svg { 
    width: 17px; 
    height: 17px; 
}

.skill-name {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 17px; 
    font-weight: 900; 
    text-transform: uppercase;
    color: var(--black); 
    margin-bottom: 7px;
}

.skill-desc { 
    font-size: 11.5px; 
    color: #666; 
    line-height: 1.65; 
}

.skill-bar { 
    height: 2px; 
    background: var(--border); 
    margin-top: 16px; 
}

.skill-fill { 
    height: 100%; 
    background: var(--green); 
}

/* Contacts */
#contact {
    background: var(--white);
    padding: 96px 60px 88px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--border);
    margin-top: 0;
}

.contact-col {
    padding: 40px 44px;
    position: relative;
}

.contact-col:first-child {
    border-right: 1px solid var(--border);
}

.contact-col::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--y);
}

.contact-col-label {
    font-size: 12px; 
    font-weight: 700; 
    letter-spacing: 3px;
    text-transform: uppercase; 
    color: var(--muted);
    margin-bottom: 24px;
}

.contact-entity {
    font-size: 15px; 
    font-weight: 700; 
    color: var(--ink);
    margin-bottom: 4px;
}

.contact-sub {
  font-size: 14px; color: var(--body);
  margin-bottom: 4px;
}

.contact-sub span { color: var(--y); font-weight: 600; }
.contact-address {
  font-size: 13.5px; color: var(--muted);
  margin-top: 10px; line-height: 1.6;
}

.contact-items {
  display: flex; 
  flex-direction: column; 
  gap: 6px;
}

.contact-item {
  display: flex; 
  align-items: center; 
  gap: 16px;
}
.contact-icon {
  width: 34px; height: 34px; flex-shrink: 0;
  background: var(--y-soft);
  clip-path: polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  display: flex; align-items: center; justify-content: center;
}

.contact-icon svg { 
    width: 15px; 
    height: 15px; 
}

.contact-link {
  font-size: 14px; 
  color: var(--body); 
  text-decoration: none;
  transition: color .2s;
  font-weight: 500;
}

.contact-link:hover { 
    color: var(--y); 
}

@media (max-width: 768px) {
  #contact { padding: 80px 24px 72px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-col:first-child { border-right: none; border-bottom: 1px solid var(--border); }
  .contact-col { padding: 32px 24px; }
}

/* Footer */
footer {
    background: var(--white); 
    border-top: 3px solid var(--green);
    padding: 36px 64px;
    display: flex; 
    align-items: center; 
    justify-content: space-between;
}

.footer-info { 
    font-size: 11px; 
    color: #444; 
    text-align: right; 
    line-height: 1.9; 
}

.footer-info span { 
    color: #9ca400; 
}

/* Animations */
.rv { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.rv.on { opacity: 1; transform: none; }
.rv-l { opacity: 0; transform: translateX(-20px); transition: opacity .6s ease, transform .6s ease; }
.rv-l.on { opacity: 1; transform: none; }
.stag > * { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.stag.on > * { opacity: 1; transform: none; }
.stag.on > *:nth-child(1){ transition-delay:0ms }
.stag.on > *:nth-child(2){ transition-delay:70ms }
.stag.on > *:nth-child(3){ transition-delay:140ms }
.stag.on > *:nth-child(4){ transition-delay:210ms }
.stag.on > *:nth-child(5){ transition-delay:280ms }
.stag.on > *:nth-child(6){ transition-delay:350ms }
.stag.on > *:nth-child(7){ transition-delay:420ms }
.stag.on > *:nth-child(8){ transition-delay:490ms }

/* Responsive */
@media (max-width: 950px) {
    nav { 
        padding: 0 24px; 
    }

    .nav-links { 
        display: none; 
    }
    
    .hamburger { 
        display: flex; 
    }
    
    .mobile-nav { 
        display: flex; 
    }
}

@media (max-width: 860px) {
    #altiqx { 
        padding: calc(var(--nav-h) + 36px) 24px 60px; 
    }
    
    .section-wrap { 
        padding: 72px 24px; 
    }

    .hero-title { 
        font-size: 54px; 
        letter-spacing: -1px; 
    }
    
    .hero-stats { 
        flex-wrap: wrap; 
        gap: 20px 0; 
    }

    .stat { 
        width: 50%; 
        border-right: none; 
        padding-right: 0; 
        margin-right: 0; 
        margin-bottom: 16px;
        padding-left: 20px; 
    }

    .stat:nth-child(odd) { 
        border-right: 1px solid var(--border); 
        padding-right: 20px; 
    }

    .section-title { 
        font-size: 40px; 
    }

    .team-row { 
        gap: 20px; 
    }

    .photo-ring {
        width: 96px;
        height: 96px;
    }

    .profile-photo {
        outline-width: 4px;
    }

    .member { 
        width: 155px; 
    }

    .member-photo-wrap { 
        width: 108px; 
        height: 108px; 
    }

    .member-bio { 
        font-size: 11.5px; 
    }

    .ecole-row {
        flex-direction: column;
    }

    .ctx-grid { 
        grid-template-columns: 1fr; 
        gap: 40px; 
    }

    .objectifs-grid { 
        grid-template-columns: 1fr; 
    }

    .skills-grid { 
        grid-template-columns: 1fr 1fr; 
    }

    .enc-grid { 
        grid-template-columns: 1fr 1fr; 
    }


    footer { 
        flex-direction: column; 
        gap: 16px; 
        padding: 30px 24px; 
    }

    .footer-info { 
        text-align: center; 
    }
}

@media (max-width: 520px) {
    .hero-title { 
        font-size: 44px; 
    }

    .hero-deco { 
        display: none; 
    }

    .team-row { 
        gap: 16px; 
    }

    .member { 
        width: calc(50% - 8px); 
    }

    .member-photo-wrap { 
        width: 90px; 
        height: 90px; 
    }    
    
    .skills-grid { 
        grid-template-columns: 1fr; 
    }

    .enc-grid { 
        grid-template-columns: 1fr; 
    }
}