@font-face {
    font-family: 'ElmsSans';
    src: url('../fonts/ElmsSans-Bold.ttf') format('truetype'),
         url('../fonts/ElmsSans-SemiBold.ttf') format('truetype'),
         url('../fonts/ElmsSans-VariableFont_wght.ttf') format('truetype');
    font-weight: 100 900;
    font-display: swap;
}

body {
    font-family: 'ElmsSans', sans-serif;
    background-color: #0a0a0a;
    color: #bbb;
    overflow-x: hidden;
}

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 80px;
    background: rgba(10, 10, 10, 0.85);
    border-bottom: 1px solid rgba(200, 200, 200, 0.12);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    gap: 24px;
}

#logo {
    display: inline-block;
    width: 44px;
    height: 44px;
    position: relative;
    z-index: 1002;
    transition: transform 0.3s ease, filter 0.3s ease;
}

#logo:hover {transform: scale(1.08);}

.hamburger {
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    z-index: 1002;
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.hamburger .line {
    display: block;
    width: 28px;
    height: 2px;
    background: #c8c8c8;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger:hover .line {background: #02afff;}
.hamburger.isactive .line:nth-child(2) {opacity: 0; transform: scaleX(0);}
.hamburger.isactive .line:first-child {transform: translateY(7px) rotate(45deg); background: #02afff;}
.hamburger.isactive .line:last-child {transform: translateY(-7px) rotate(-45deg); background: #02afff;}

header nav {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.479);
    z-index: 998;
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    border-right: 1px solid rgba(200, 200, 200, 0.12);
    min-height: 100vh;
    padding-top: 100px;
    padding-bottom: 40px;
}

header nav.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

header nav ul {
    display: flex;
    flex-direction: column;
    gap: 0;
    list-style: none;
    padding: 0;
}

header nav ul li {border-bottom: 1px solid rgba(200, 200, 200, 0.12);}

header nav ul li a {
    display: block;
    padding: 20px 40px;
    text-decoration: none;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    transition: color 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding-left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

header nav ul li a::before {
    content: "";
    position: absolute;
    inset: 0;
    width: 2px;
    background: #02afff;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

header nav ul li a:hover {color: #02afff; padding-left: 52px;}
header nav ul li a:hover::before {transform: scaleY(1);}
#active {color: #02afff;}
#active::before {transform: scaleY(1);}

.social-links {display: flex; gap: 24px; flex-shrink: 0;}

.social-links a {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-links img {
    width: 28px;
    height: 28px;
    filter: brightness(0.7);
    transition: filter 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-links span {
    position: absolute;
    top: -22px;
    opacity: 0;
    transform: translateY(6px);
    font-size: 11px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #02afff;
    white-space: nowrap;
    transition: all 0.4s ease;
}

.social-links a:hover {transform: translateY(6px);}
.social-links a:hover span {opacity: 1; transform: translateY(0);}

.page-hero {
    position: relative;
    width: 100%;
    height: 92vh;
    min-height: 600px;
    overflow: hidden;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0 80px 100px;
    gap: 20px;
}

.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(to top, rgba(10, 10, 10, 1) 0%, rgba(10, 10, 10, 0.6) 40%, rgba(10, 10, 10, 0.1) 80%, transparent 100%);
}

.page-hero img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    transform: scale(1.03);
    transition: transform 8s ease;
    filter: brightness(0.75) saturate(0.9);
}

.page-hero:hover img {transform: scale(1);}
.page-hero h1, .page-hero p, .page-hero a, .hero-buttons {position: relative; z-index: 2;}

.page-hero h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.05;
    color: #fff;
}

.page-hero > p {
    font-size: 17px;
    max-width: 560px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75);
    font-weight: 300;
}

.hist p:first-child {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .3em;
    text-transform: uppercase;
    color: #02afff;
    position: relative;
    z-index: 2;
    padding-left: 28px;
}

.hist p:first-child::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 18px;
    height: 1px;
    background: #02afff;
}

.page-hero .btn-outline {align-self: flex-start;}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    z-index: 2;
}

.btn-outline {
    display: inline-block;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 2px;
    color: #fff;
    font-weight: 600;
    font-size: 11px;
    letter-spacing: .18em;
    text-transform: uppercase;
    padding: 14px 28px;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.btn-outline::before {
    content: "";
    position: absolute;
    inset: 0;
    background: #02afff4b;
    transform: translateX(-105%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.btn-outline span, .btn-outline {position: relative;}
.btn-outline > * {position: relative; z-index: 1;}
.btn-outline:hover {border-color: #02afff4b; color: #fff;}
.btn-outline:hover::before {transform: translateX(0);}
.btn-outline:active {transform: scale(0.97);}

.content-section {
    display: flex;
    align-items: flex-start;
    gap: 80px;
    max-width: 1200px;
    margin: 100px auto;
    padding: 0 80px;
}

.reverse {flex-direction: row-reverse;}

.section-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section-text h2 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: #02afff;
    padding-left: 24px;
    position: relative;
}

.section-text h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 14px;
    height: 1px;
    background: #02afff;
}

.section-text p {
    font-size: 16px;
    line-height: 1.85;
    color: #bbb;
    font-weight: 300;
}

.section-text strong {color: #fff; font-weight: 600;}
.section-text em {color: #c8c8c8; font-style: italic;}

.section-figure {
    flex: 1;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.section-figure img {
    width: 100%;
    height: 440px;
    object-fit: cover;
    border-radius: 2px;
    filter: brightness(0.9) contrast(1.05);
    transition: filter 0.35s cubic-bezier(0.4, 0, 0.2, 1), transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-figure img:hover {filter: brightness(1) contrast(1); transform: scale(1.01);}

.section-figure figcaption {
    font-size: 11px;
    color: #555;
    text-align: right;
    letter-spacing: .08em;
    font-style: italic;
    padding-right: 4px;
    border-right: 2px solid #02afff;
}

.carousel-section {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 100px 120px 80px;
}

.carousel-section h2 {
    position: absolute;
    top: 40px;
    left: 120px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: #02afff;
    padding-left: 24px;
}

.carousel-section h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 14px;
    height: 1px;
    background: #02afff;
}

.card {
    display: none;
    position: relative;
    width: 700px;
    height: 480px;
    overflow: hidden;
    cursor: pointer;
    border-radius: 2px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.card.active {display: block;}

.card::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px solid transparent;
    border-radius: 2px;
    z-index: 3;
    transition: border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.card:hover {transform: translateY(-6px); box-shadow: 0 32px 64px rgba(0, 0, 0, 0.6);}
.card:hover::after {border-color: #02afff;}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    filter: brightness(0.85);
}

.card:hover img {transform: scale(1.04); filter: brightness(1);}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 28px 24px;
    z-index: 5;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.5) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -.01em;
}

.card p {color: rgba(255, 255, 255, 0.55); font-size: 13px; letter-spacing: .04em;}

.card-content .btn-outline {
    align-self: flex-start;
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 10px;
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    color: #fff;
    border: 1px solid rgba(200, 200, 200, 0.12);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1), transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-button:hover {background: #02afff; border-color: #02afff; transform: translateY(-50%) scale(1.1);}
.carousel-button.prev {left: 40px;}
.carousel-button.next {right: 40px;}

.modeles-carousel {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 0;
    gap: 0;
}

.modeles-carousel .card {width: 100%; height: 520px; margin-top: 40px;}
.modeles-carousel .carousel-button.prev {left: -56px;}
.modeles-carousel .carousel-button.next {right: -56px;}

.btn-retour {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: #02afff;
    font-size: 11px;
    cursor: pointer;
    padding: 0;
    letter-spacing: .15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-family: 'ElmsSans', sans-serif;
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-retour:hover {opacity: 0.65;}
.car-specs {margin-top: 8px;}

.tech-divers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1px;
    background: rgba(200, 200, 200, 0.12);
    border: 1px solid rgba(200, 200, 200, 0.12);
    width: 90%;
    max-width: 1200px;
    margin: 60px auto;
    overflow: hidden;
}

.tech-divers-header {
    grid-column: 1 / -1;
    background: #111;
    padding: 60px 60px 40px;
    border-bottom: 1px solid rgba(200, 200, 200, 0.12);
}

.tech-divers h2 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: #02afff;
    padding-left: 24px;
    position: relative;
    margin-bottom: 10px;
}

.tech-divers h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 14px;
    height: 1px;
    background: #02afff;
}

.tech-divers-header > p {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.02em;
    line-height: 1.1;
}

.card-tech {
    background: #111;
    padding: 40px 36px;
    position: relative;
    overflow: hidden;
    transition: background 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
}

.card-tech::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: transparent;
    transition: background 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-tech:hover {background: #1a1a1a;}
.card-tech:hover::before {background: #02afff;}

.card-tech h3 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.01em;
    margin-bottom: 14px;
}

.card-tech p {
    font-size: 15px;
    color: #bbb;
    line-height: 1.75;
    font-weight: 300;
}

.mentions-legales {
    width: 90%;
    max-width: 800px;
    margin: 60px auto;
    line-height: 1.7;
}

.mentions-legales section {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(200, 200, 200, 0.12);
}

.mentions-legales h1 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: #02afff;
    margin-bottom: 40px;
    padding-left: 24px;
    position: relative;
}

.mentions-legales h1::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 14px;
    height: 1px;
    background: #02afff;
}

.mentions-legales h2 {color: #fff; margin-bottom: 10px; font-size: 18px;}
.mentions-legales h4 {margin: 20px 0 6px; color: #c8c8c8;}
.mentions-legales p {margin-bottom: 10px; color: #bbb;}

.formulaire-contact {width: 90%; max-width: 600px; margin: 30px auto;}
.formulaire-contact h1 {
    text-align: center;
    margin-bottom: 10px;
    font-size: 22px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: #02afff;
}
.formulaire-contact > p {
    margin-bottom: 15px;
    font-size: 18px;
    line-height: 1.75;
    color: #aaa;
    text-align: center;
}

.formulaire-contact form {background-color: rgb(31, 31, 31); padding: 40px; border-radius: 10px;}
.formulaire-contact label {display: block; margin-bottom: 3px; font-weight: bold; color: #fff; font-size: 16px;}
.formulaire-contact p {margin: 0 0 6px 0; font-size: 13px; color: #888; line-height: 1.4;}
.formulaire-contact input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]), .formulaire-contact select, .formulaire-contact textarea {
    width: 100%;
    padding: 8px 10px;
    margin-bottom: 18px;
    border: 1px solid #555;
    border-radius: 5px;
    background-color: #2a2a2a;
    color: #fff;
    font-size: 15px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}
.formulaire-contact input:focus, .formulaire-contact textarea:focus {outline: none; border-color: var(--blue);}
.formulaire-contact fieldset {border: 1px solid #555; padding: 12px 16px; margin-bottom: 18px; border-radius: 5px;}
.formulaire-contact legend {font-weight: bold; color: #fff; font-size: 15px; padding: 0 6px;}
.formulaire-contact fieldset > div {display: flex; align-items: center; gap: 10px; margin: 8px 0;}
.formulaire-contact input[type="radio"] {width: 16px; height: 16px; margin: 0; accent-color: var(--blue); flex-shrink: 0; cursor: pointer;}
.formulaire-contact fieldset > div label {display: inline; font-weight: normal; font-size: 15px; color: #ddd; cursor: pointer; margin: 0;}
.formulaire-contact div:has(input[type="checkbox"]) {display: flex; align-items: center; gap: 10px; margin-top: 20px;}
.formulaire-contact input[type="checkbox"] {width: 16px; height: 16px; margin: 0; accent-color: var(--blue); flex-shrink: 0; cursor: pointer;}
.formulaire-contact div:has(input[type="checkbox"]) label {display: inline; font-weight: normal; font-size: 14px; color: #ddd; cursor: pointer; margin: 0;}
.formulaire-contact a {color: var(--blue); text-decoration: underline;}
.formulaire-contact a:hover {color: #02afffa4;}
.formulaire-contact input[type="submit"] {
    background-color: #02afff;
    color: white;
    border: none;
    cursor: pointer;
    padding: 12px;
    font-weight: bold;
    font-size: 16px;
    border-radius: 5px;
    width: 100%;
    margin-top: 20px;
    transition: background-color 0.3s ease;
    letter-spacing: .05em;
}
.formulaire-contact input[type="submit"]:hover {background-color: #02afffa4;}

.presentation {
    max-width: 900px;
    margin: 80px auto 0;
    padding: 0 40px;
    display: flex;
    gap: 48px;
    align-items: flex-start;
}

.presentation img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(2, 175, 255, 0.4);
    flex-shrink: 0;
}

.presentation-text h1 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: #02afff;
    margin-bottom: 16px;
}

.presentation-text p {
    font-size: 20px;
    font-weight: 300;
    color: #fff;
    line-height: 1.6;
}

.timeline {max-width: 900px; margin: 80px auto; padding: 0 40px;}

.timeline > h2 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: #02afff;
    margin-bottom: 48px;
}

.timeline-list {padding-left: 32px; border-left: 1px solid rgba(200, 200, 200, 0.15);}
.timeline-item {position: relative; padding: 0 0 40px 32px;}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 6px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #02afff;
    box-shadow: 0 0 0 3px #0a0a0a, 0 0 0 5px rgba(2, 175, 255, 0.25);
}

.timeline-item .year {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: #02afff;
    margin-bottom: 6px;
}

.timeline-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.timeline-item p {font-size: 14px; color: #888; line-height: 1.65;}

.skills-section {max-width: 900px; margin: 0 auto 80px; padding: 0 40px;}

.skills-section > h2 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: #02afff;
    margin-bottom: 32px;
}

.skills-grid {display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px;}

.skill-card {
    background: #111;
    border: 1px solid rgba(200, 200, 200, 0.1);
    border-radius: 4px;
    padding: 24px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
    cursor: default;
}

.skill-card:hover {background: #1a1a1a; border-color: #02afff; transform: translateY(-3px);}

.skill-card img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    filter: grayscale(0.3);
    transition: filter 0.25s ease, transform 0.25s ease;
}

.skill-card:hover img {filter: grayscale(0); transform: scale(1.08);}

.skill-card span {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #ccc;
}

footer {
    padding: 40px 80px;
    background: #111;
    border-top: 1px solid rgba(200, 200, 200, 0.12);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

footer nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
    list-style: none;
}

footer nav ul li {padding: 0 20px; border-right: 1px solid rgba(200, 200, 200, 0.12);}
footer nav ul li:last-child {border: none;}
footer a {
    text-decoration: none;
    color: #555;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .12em;
    text-transform: uppercase;
    transition: color 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

footer a:hover {color: #02afff;}
footer > p {color: #555; font-size: 11px; letter-spacing: .1em;}

@media (max-width: 819px) {
    header {padding: 0 20px; height: 70px;}
    .social-links {gap: 16px;}
    .social-links img {width: 24px; height: 24px;}
    .page-hero {height: 80vh; padding: 0 28px 60px;}
    .page-hero h1 {font-size: 32px;}
    .page-hero > p {font-size: 15px;}
    .content-section {flex-direction: column; gap: 40px; margin: 60px auto; padding: 0 28px;}
    .section-figure img {height: 280px;}
    .carousel-section {padding: 70px 20px 80px;}
    .carousel-section h2 {left: 20px;}
    .carousel-section:not(.modeles-carousel) .card {width: 100%; height: 360px;}
    .carousel-button.prev {left: 12px;}
    .carousel-button.next {right: 12px;}
    .modeles-carousel .card {height: 380px; margin-top: 28px;}
    .modeles-carousel .carousel-button.prev {left: 8px;}
    .modeles-carousel .carousel-button.next {right: 8px;}
    .tech-divers {width: 100%; margin: 40px 0; grid-template-columns: 1fr;}
    .tech-divers-header {padding: 40px 28px 28px;}
    .tech-divers-header > p {font-size: 22px;}
    .card-tech {padding: 28px 28px;}
    .timeline {padding: 0 20px;margin-top: 40px;}
    .timeline::before {left: calc(20px + 56px);}
    .timeline article {grid-template-columns: 56px 1fr; gap: 0 24px;}
    .timeline article::before {left: calc(20px + 56px);}
    .presentation {grid-template-columns: 1fr; gap: 20px; padding: 40px 20px 0;}
    .skills-carousel {padding: 0 20px 80px;}
    .skills-carousel.carousel-section {padding: 40px 20px 80px;}
    .skills-carousel .carousel-button.prev {left: 20px;}
    .skills-carousel .carousel-button.next {left: 80px;}
    footer {padding: 32px 20px;}
    footer nav ul li {padding: 0 12px;}
    .formulaire-contact form > label,
    .formulaire-contact form > p,
    .formulaire-contact form > input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]),
    .formulaire-contact form > textarea {padding-left: 20px; padding-right: 20px;}
    .formulaire-contact fieldset {padding: 16px 20px 20px;}
    .formulaire-contact div:has(input[type="checkbox"]) {padding: 16px 20px;}
    .formulaire-contact input[type="submit"] {padding: 18px 20px;}
    .formulaire-contact > p {font-size: 20px;}
    header nav.active {width: min(320px, 100%); padding: 88px 0 24px;}
}

@media (min-width: 600px) and (max-width: 819px) {
    .page-hero {height: 70vh; padding: 0 48px 80px;}
    .page-hero h1 {font-size: 40px;}
    .content-section {padding: 0 40px;}
    .section-figure img {height: 320px;}
    .carousel-section {padding: 80px 60px 60px;}
    .timeline::before {left: calc(40px + 80px);}
    .timeline {padding: 0 40px;}
    .timeline article {grid-template-columns: 80px 1fr;}
    .timeline article::before {left: calc(40px + 80px);}
    .presentation {padding: 60px 40px 0;}
    .skills-carousel {padding: 0 40px 80px;}
}

@media (max-width: 480px) {
    header {height: 60px; padding: 0 16px;}
    #logo {width: 36px; height: 36px;}
    .page-hero {height: 75vh; padding: 0 20px 48px;}
    .page-hero h1 {font-size: 26px;}
    .page-hero > p {font-size: 13px;}
    .btn-outline {font-size: 10px; padding: 12px 20px;}
    .section-figure img {height: 220px;}
    .carousel-section:not(.modeles-carousel) .card {height: 280px;}
    .modeles-carousel .card {height: 320px; margin-top: 20px;}
    .carousel-button {width: 38px; height: 38px; top: 55%;}
    .formulaire-contact {width: 100%;}
    header nav.active {width: 100%; border-radius: 0; padding: 76px 0 20px;}
}

@media (min-width: 820px) {
    .hamburger {display: none;}
    header nav {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        inset: auto;
        width: auto;
        height: auto;
        padding: 0;
        background: transparent;
        backdrop-filter: none;
        border: none;
        display: block;
        min-height: auto;
    }
    header nav ul {flex-direction: row; gap: 0; border: none;}
    header nav ul li {border: none;}
    header nav ul li a {padding: 8px 16px; font-size: 12px; letter-spacing: .14em;}
    header nav ul li a::before {
        top: auto;
        bottom: 0;
        right: 0;
        width: 100%;
        height: 1px;
        transform: scaleX(0);
        transform-origin: right;
    }
    header nav ul li a:hover {padding-left: 16px; color: white;}
    header nav ul li a:hover::before {transform: scaleX(1); transform-origin: left;}
    #active::before {transform: scaleX(1) !important;}
}

@media (max-height: 500px) and (orientation: landscape) {
    header {height: 54px;}
    .page-hero {height: 260px; padding: 0 48px 32px;}
    .page-hero h1 {font-size: 22px;}
    .page-hero > p {font-size: 12px; max-width: 50%;}
    header nav.active {width: 260px; padding: 66px 0 16px;}
    header nav ul {gap: 0;}
    header nav ul li a {padding: 14px 32px;}
}

@media (max-width: 600px) {
    .presentation { flex-direction: column; gap: 24px; padding: 0 20px; }
    .timeline { padding: 0 20px; margin: 60px auto; }
    .skills-section { padding: 0 20px; }
}

@media (min-width: 1400px) {
    .content-section {padding: 0 100px; gap: 100px;}
    .page-hero {padding: 0 120px 120px;}
    .presentation {padding: 100px 100px 0;}
    .timeline {padding: 0 100px;}
    .skills-carousel.carousel-section {padding: 40px 100px 100px;}
}

@media (min-width: 1900px) {
    header {padding: 0 100px;}
    .content-section {max-width: 1400px;}
    .tech-divers {max-width: 1600px;}
}