* {
    box-sizing: border-box;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    padding: 0 2rem;
    margin: 0 auto;
}

header h1 {
    font-family: 'Nabla', cursive;
    font-size: 1.6rem;
    color: #f0eeff;
    margin: 0;
}

#header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#header-favicon {
    height: 36px;
    width: auto;
}

#hero-logo {
    max-height: 320px;
    width: auto;
    max-width: 80%;
    margin: 0;
    filter: drop-shadow(0 0 32px rgba(135, 206, 235, 0.2));
}

#TNTM-Ban {
    width: 100%;
    margin: 1rem 0 2rem;
}

nav {
    display: flex;
    gap: 1.5rem;
 }

nav a {
    font-family: 'Orbitron', sans-serif;
    display: block;
    padding: 0.5rem 1.2rem;
    background: #1a1a2e;
    border: 1px solid rgba(135, 206, 235, 0.7);
    border-radius: 8px;
    color: wheat;
    text-decoration: none;
    transition: all 0.2s;
}

nav a:hover,
nav a.active {
    transform: scale(1.05);
    box-shadow: 0 0 16px rgba(135, 206, 235, 0.6), 0 0 6px rgba(135, 206, 235, 0.3);
    border-color: #87CEEB;
    color: #87CEEB;
}

#menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: wheat;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    #menu-toggle {
        display: block;
    }

    header{
        flex-wrap: wrap;
        position: relative;
    }

    h1 {
        flex: 1;
    }

    nav {
        display: flex;
        flex-direction: column;
        width: 100%;
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.3s ease-out;
        order: 3;
    }

    nav.open{
        display: flex;
        max-height: 300px;
    }

    nav a {
        font-family: 'Orbitron', sans-serif;
        display: block;
        padding: 0.75rem 1.5rem;
        background: #1a1a2e;
        border: 1px solid rgba(217, 79, 189, 0.3);
        border-radius: 8px;
        color: wheat;
        text-decoration: none;
        transition: all 0.2s;
    }

    nav a:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 20px rgba(135, 206, 235, 0.7), 0 0 12px rgba(135, 206, 235, 0.4);
        border-color: #87CEEB;
        color: #87CEEB;
    }
}

body {
    background:
        radial-gradient(ellipse at 20% 10%, rgba(217, 79, 189, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 90%, rgba(135, 206, 235, 0.15) 0%, transparent 50%),
        #0f0f14;
    color: wheat;
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

h1 {
    color: purple;
    font-family: 'Nabla', cursive;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

h2 {
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 1rem;
}

main {
    max-width: 1100px;
    padding: 0 2rem 3rem;
    margin: 0 auto;
}

@keyframes fadeIn {
    from { opacity: 0;}
    to {opacity: 1;}
}

#hero {
    font-family: 'Orbitron', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    text-align: center;
    min-height: calc(100vh - 36px);
    padding-top: 8vh;
    padding-bottom: 4vh;
    margin-bottom: 0;
    border-bottom: 1px solid transparent;
    border-image: linear-gradient(90deg, rgba(217,79,189,0.3), rgba(135,206,235,0.3)) 1;
    animation: fadeIn 0.8s ease-in;
}

#hero-tagline {
    font-size: clamp(1.1rem, 3vw, 1.6rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(245, 222, 179, 0.75);
    margin-bottom: 0;
    line-height: 1.5;
}

.hero-line1 {
    color: rgba(217, 79, 189, 0.9);
    text-shadow: 0 0 24px rgba(217, 79, 189, 0.4);
}

#hero-tagline strong {
    color: #87CEEB;
    font-size: 1.3em;
    display: inline-block;
    text-shadow: 0 0 24px rgba(135, 206, 235, 0.5);
}

#hero-cta {
    margin-top: 0;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: wheat;
    text-decoration: none;
    padding: 0.6rem 1.8rem;
    border: 1px solid rgba(217, 79, 189, 0.5);
    border-radius: 8px;
    transition: all 0.2s;
}

#hero-cta:hover {
    border-color: #d94fbd;
    color: #d94fbd;
    box-shadow: 0 0 16px rgba(217, 79, 189, 0.4);
}

p {
    margin-bottom: 1rem;
}

#projets-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding-bottom: 1rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(217, 79, 189, 0.2);
}

#projets-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: wheat;
    margin: 0;
}

#projets-sub {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    color: rgba(217, 79, 189, 0.6);
    text-transform: uppercase;
}

#galerie {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.projet-card {
    font-family: 'Orbitron', sans-serif;
    transition: all 0.3s;
    padding: 1rem;
    text-align: center;
    border-radius: 8px;
    background-color: #1a1a2e;
    border: 1px solid rgba(217, 79,189, 0.3);
    box-shadow: 0 0 12px rgba(217, 79, 189, 0.3);
}

.projet-card:hover {
    transform: translateY(-6px);
    background-color: #1a1a3e;
    border-color: #ff2d78;
    box-shadow: 0 0 18px rgba(255, 45, 120, 0.5);
}

.projet-card a {
    color: inherit;
    text-decoration: none;
}

#contact-section {
    max-width: 600px;
    margin: 2rem auto;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #87CEEB;
}

.form-group input,
.form-group textarea {
    background: #1a1a2e;
    border: 1px solid rgba(135, 206, 235, 0.3);
    border-radius: 8px;
    color: wheat;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    padding: 0.75rem 1rem;
    transition: all 0.2s;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #87CEEB;
    box-shadow: 0 0 12px rgba(135, 206, 235, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(245, 222, 179, 0.3);
}

.btn-submit {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    padding: 0.75rem 2rem;
    background: transparent;
    border: 1px solid rgba(135, 206, 235, 0.7);
    border-radius: 8px;
    color: wheat;
    cursor: pointer;
    transition: all 0.2s;
    align-self: flex-start;
}

.btn-submit:hover {
    box-shadow: 0 0 16px rgba(135, 206, 235, 0.6);
    border-color: #87CEEB;
    color: #87CEEB;
}

.projet-card.vert {
    border-color: rgba(62, 207, 142, 0.3);
    box-shadow: 0 0 12px rgba(62, 207, 142, 0.3);
}

.projet-card.vert:hover {
    border-color: #3ecf8e;
    box-shadow: 0 0 18px rgba(62, 207, 142, 0.5);
}

/* Carte sans lien — projet en cours */
.projet-card--wip {
    cursor: default;
}

.wip-badge {
    display: inline-block;
    margin-bottom: 0.4rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(217, 79, 189, 0.7);
    border: 1px solid rgba(217, 79, 189, 0.3);
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
}

/* Carte "À venir" */
.projet-card:last-child:not(:first-child) {
    border: 1px dashed rgba(217, 79, 189, 0.25);
    box-shadow: none;
    opacity: 0.45;
    background-color: transparent;
}

.projet-card:last-child:not(:first-child):hover {
    transform: none;
    background-image: none;
    background-color: transparent;
    border: 1px dashed rgba(217, 79, 189, 0.4);
    box-shadow: none;
    opacity: 0.6;
}

footer {
    max-width: 1100px;
    margin: 3rem auto 0;
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(135, 206, 235, 0.12);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

#footer-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: rgba(245, 222, 179, 0.5);
    text-transform: uppercase;
}

#footer-favicon {
    height: 22px;
    width: auto;
    opacity: 0.6;
}

#footer-copy {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    color: rgba(245, 222, 179, 0.3);
    text-transform: uppercase;
}

/* Hero version page intérieure (projets.html etc.) */
#hero.page-hero {
    min-height: 55vh;
    padding-top: 5vh;
    padding-bottom: 3vh;
    border-bottom: none;
    border-image: none;
}

#hero.contact-hero {
    min-height: 30vh;
    justify-content: center;
    gap: 0.75rem;
}

#contact-sub {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(245, 222, 179, 0.45);
    margin: 0;
}

#hero-sub {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(245, 222, 179, 0.35);
    margin: 0;
}

#about-hero {
    position: relative;
    width: 100%;
    height: 65vh;
    overflow: hidden;
    margin: 2.5rem 0 3rem;
    border-radius: 12px;
}

#about-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    display: block;
}

#about-hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom, rgba(15,15,20,0.82) 0%, transparent 30%, transparent 55%, rgba(15,15,20,0.92) 100%),
        linear-gradient(to right, rgba(217,79,189,0.08) 0%, transparent 50%, rgba(135,206,235,0.06) 100%);
}

#about-hero-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    text-align: center;
}

#about-hero-bottom {
    position: absolute;
    bottom: 1.75rem;
    left: 0;
    right: 0;
    text-align: center;
}

#about-caption {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(245, 222, 179, 0.6);
    text-shadow: 0 0 12px rgba(15, 15, 20, 0.8);
    margin: 0;
}

.about-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(135, 206, 235, 0.08);
}

.about-timeline {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.about-timeline li {
    font-family: 'Open Sans', sans-serif;
    color: rgba(245, 222, 179, 0.75);
    padding-left: 0.5rem;
}

.timeline-year {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    color: #87CEEB;
    letter-spacing: 0.1em;
    margin-right: 1rem;
}

.about-skills {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.about-skills li {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    padding: 0.4rem 1rem;
    border: 1px solid rgba(217, 79, 189, 0.4);
    border-radius: 6px;
    color: rgba(245, 222, 179, 0.8);
}

.about-intro {
    font-family: 'Open Sans', sans-serif;
    font-size: 0.97rem;
    color: rgba(245, 222, 179, 0.8);
    line-height: 1.8;
    max-width: 680px;
    margin-bottom: 1rem;
}

/* Services */
.about-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.service-card {
    background: #1a1a2e;
    border: 1px solid rgba(135, 206, 235, 0.15);
    border-radius: 8px;
    padding: 1.2rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.service-card:hover {
    border-color: rgba(135, 206, 235, 0.5);
    box-shadow: 0 0 14px rgba(135, 206, 235, 0.1);
}

.service-icon {
    color: rgba(217, 79, 189, 0.7);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.service-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: #87CEEB;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.service-desc {
    font-family: 'Open Sans', sans-serif;
    font-size: 0.82rem;
    color: rgba(245, 222, 179, 0.6);
    line-height: 1.6;
}

/* Compétences groupées */
.about-skills-group {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-top: 0.5rem;
}

.skills-category {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.skills-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(245, 222, 179, 0.35);
    min-width: 72px;
}

/* CTA section */
.about-cta {
    text-align: center;
    padding: 3rem 0 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
}

.about-cta-text {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(245, 222, 179, 0.6);
}