/* === Theme + Base == */

* { box-sizing: border-box; }

:root {
    --color-bg: #0a0a0a;
    --color-surface: #151515;
    --color-text: #ffffff;
    --color-muted: #b3b3b3;

    --color-pink: #ff3c6f;
    --color-purple: #8a2be2;
    --color-blue: #00bfff;

    --radius: 8px;
}

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.5;
    background: var(--color-bg);
    color: var(--color-text);
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(1100px, 100% - 2rem);
    margin-inline: auto;
}

/* Typography spacing */
h1, h2, h3 { margin: 0 0 0.75rem 0; }
p { margin: 0 0 1rem 0; }

/* Gradient titles */
h1, h2 {
    background: linear-gradient(90deg, var(--color-pink), var(--color-blue));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

/* Section spacing */
section { padding: 3rem 0; }

.hero { padding: 3.5rem 0; }

/* Focus visible (accessibilité clavier) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 3px;
}

/* == Header + Nav == */

.site-header {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    background: linear-gradient(135deg, var(--color-pink), var(--color-purple), var(--color-blue));
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(6px);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    text-decoration: none;
    font-weight: 700;
    color: #fff;
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;

    display: flex;
    gap: 1rem;
}

.main-nav a {
    text-decoration: none;
    color: #fff;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
}

.main-nav a:hover,
.main-nav a:focus-visible {
    outline: none;
    background: rgba(255,255,255,0.2);
}

/* == Mobile header == */
@media (max-width: 767px) {
.site-header .container {
    flex-direction: column;
    align-items: flex-start;
}

.main-nav ul {
    flex-direction: column;
    width: 100%;
    margin-top: 1rem;
}

.main-nav li { width: 100%; }

.main-nav a {
    display: block;
    width: 100%;
    padding: 0.5rem 0;
}
}

/* == Cards / Team == */

.cards,
.team {
    display: grid;
    gap: 1.5rem;
}

.cards article,
.team article {
    padding: 1rem;
    border-radius: var(--radius);
    background: var(--color-surface);
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
}

.cards article:hover,
.team article:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 34px rgba(0,0,0,0.55);
}

.team img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem auto;

    border: 3px solid var(--color-purple);

    box-shadow: 
    0 0 10px var(--color-purple),
    0 0 20px var(--color-purple),
    0 0 35px rgba(138,43,226,0.4);

    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team article:hover img {
    transform: scale(1.05);

    box-shadow:
    0 0 15px var(--color-pink),
    0 0 30px var(--color-pink),
    0 0 50px rgba(255, 60, 111, 0.5);
}

/* == Gallery / Testimonials == */

.gallery {
    display: grid;
    gap: 1rem;
}

.gallery figure { margin: 0; }

.gallery img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius);
}

.testimonials { margin-top: 2rem; }

.testimonials blockquote {
    margin: 0 0 1rem 0;
    padding: 1rem;
    border-left: 4px solid rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.06);
    border-radius: var(--radius);
}

/* == Form == */

form { margin-top: 1.25rem; }

.form-row {
    display: grid;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

input, textarea, button { font: inherit; }

input, textarea {
    padding: 0.75rem;
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.06);
    color: var(--color-text);
}

button {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;

    background: linear-gradient(90deg, var(--color-pink), var(--color-purple));
    color: #fff;
    border: none;

    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

button:hover {
    filter: brightness(0.95);
    transform: translateY(-3px);
    box-shadow: 0 0 15px var(--color-pink);
}

/* == Footer == */

.site-footer {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 2rem;
    padding: 1.5rem 0;
    color: var(--color-muted);
}

/* == Responsive grids == */

@media (min-width: 768px) {
    .cards { grid-template-columns: repeat(2, 1fr); }
    .team { grid-template-columns: repeat(2, 1fr); }
    .gallery { grid-template-columns: repeat(3, 1fr); }
}

/* == contact ==*/ 

.contact-mail {
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--color-blue);
}

.contact-mail:hover {
    color: var(--color-blue);
}