/* ==========================================================================
   JMS Informatique & Associés – feuille de styles principale
   Couleurs issues du logo : bleu pétrole et crème.
   ========================================================================== */

:root {
    --color-primary: #00729f;
    --color-primary-dark: #00577a;
    --color-accent: #fff6c2;
    --color-ink: #10222e;
    --color-text: #364652;
    --color-muted: #66757f;
    --color-border: #dde4e9;
    --color-bg: #ffffff;
    --color-bg-alt: #f3f6f8;
    --color-dark: #0b1d28;

    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --radius: 0.75rem;
    --shadow: 0 1px 2px rgb(16 34 46 / 6%), 0 8px 24px rgb(16 34 46 / 8%);
    --container: 72rem;
    --gutter: clamp(1rem, 4vw, 2rem);
    --section-space: clamp(3.5rem, 8vw, 6rem);
}

/* --- Base ---------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { color: var(--color-ink); line-height: 1.2; margin: 0 0 0.75rem; text-wrap: balance; }

p { margin: 0 0 1rem; }

a { color: var(--color-primary); text-underline-offset: 0.2em; }
a:hover { color: var(--color-primary-dark); }

:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

address { font-style: normal; }

.container { width: min(100% - 2 * var(--gutter), var(--container)); margin-inline: auto; }
.container--narrow { --container: 46rem; }

.visually-hidden {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip-path: inset(50%); white-space: nowrap;
}

.skip-link { position: absolute; left: 1rem; top: -3rem; z-index: 100; padding: 0.5rem 1rem; background: var(--color-ink); color: #fff; border-radius: var(--radius); }
.skip-link:focus { top: 1rem; }

.icon { width: 1.25em; height: 1.25em; flex-shrink: 0; }

.eyebrow {
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}
.eyebrow--light { color: var(--color-accent); }

/* --- Boutons et liens ---------------------------------------------------- */

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.8rem 1.4rem;
    border: 2px solid transparent;
    border-radius: 999px;
    font: inherit; font-weight: 600; line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.btn--sm { padding: 0.5rem 1rem; font-size: 0.9375rem; }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn--outline { border-color: var(--color-primary); color: var(--color-primary); }
.btn--outline:hover { background: var(--color-primary); color: #fff; }
.btn--ghost { border-color: rgb(255 255 255 / 70%); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--color-ink); }
.btn--light { background: #fff; color: var(--color-primary-dark); }
.btn--light:hover { background: var(--color-accent); color: var(--color-ink); }

.link-arrow { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; text-decoration: none; }
.link-arrow .icon { transition: transform 0.2s; }
.link-arrow:hover .icon { transform: translateX(4px); }

/* --- Header -------------------------------------------------------------- */

.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgb(255 255 255 / 92%);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.5rem; }
.site-header__brand img { width: 170px; }

.main-nav ul { display: flex; align-items: center; gap: 0.25rem; margin: 0; padding: 0; list-style: none; }
.main-nav a:not(.btn) {
    display: block; padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    color: var(--color-ink); font-weight: 500; text-decoration: none;
}
.main-nav a:not(.btn):hover { background: var(--color-bg-alt); }
.main-nav a[aria-current="page"]:not(.btn) { color: var(--color-primary); box-shadow: inset 0 -2px 0 var(--color-primary); border-radius: 0; }
.main-nav li:last-child { margin-left: 0.5rem; }

.nav-toggle { display: none; }

@media (max-width: 860px) {
    .nav-toggle {
        display: grid; place-items: center;
        width: 2.75rem; height: 2.75rem;
        border: 1px solid var(--color-border); border-radius: 0.5rem;
        background: #fff; cursor: pointer;
    }
    .nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after {
        display: block; width: 1.25rem; height: 2px; background: var(--color-ink);
        transition: transform 0.2s, background-color 0.2s;
    }
    .nav-toggle__bar { position: relative; }
    .nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; position: absolute; left: 0; }
    .nav-toggle__bar::before { top: -6px; }
    .nav-toggle__bar::after { top: 6px; }
    .is-open .nav-toggle__bar { background: transparent; }
    .is-open .nav-toggle__bar::before { transform: translateY(6px) rotate(45deg); }
    .is-open .nav-toggle__bar::after { transform: translateY(-6px) rotate(-45deg); }

    .main-nav {
        display: none;
        position: absolute; inset: 100% 0 auto;
        background: #fff;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow);
    }
    .is-open .main-nav { display: block; }
    .main-nav ul { flex-direction: column; align-items: stretch; padding: 0.75rem var(--gutter) 1.25rem; }
    .main-nav a:not(.btn) { padding: 0.75rem; }
    .main-nav a[aria-current="page"]:not(.btn) { box-shadow: inset 3px 0 0 var(--color-primary); }
    .main-nav li:last-child { margin: 0.75rem 0 0; }
    .main-nav .btn { width: 100%; }
}

/* --- Hero et bandeaux de titre ------------------------------------------- */

.hero {
    position: relative;
    color: #fff;
    background:
        linear-gradient(100deg, rgb(11 29 40 / 92%) 0%, rgb(0 87 122 / 80%) 55%, rgb(0 114 159 / 35%) 100%),
        url("/images/it-homepage-haut.jpg") center / cover no-repeat,
        var(--color-dark);
}
.hero__inner { padding-block: clamp(4.5rem, 12vw, 8.5rem); max-width: var(--container); }
.hero__title { max-width: 18em; color: #fff; font-size: clamp(2.1rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
.hero__lead { max-width: 38em; font-size: clamp(1.05rem, 2vw, 1.25rem); color: rgb(255 255 255 / 88%); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.page-header {
    padding-block: clamp(3rem, 7vw, 4.5rem);
    color: rgb(255 255 255 / 88%);
    background: linear-gradient(120deg, var(--color-dark), var(--color-primary-dark) 70%, var(--color-primary));
}
.page-header__title { color: #fff; font-size: clamp(1.9rem, 4vw, 2.75rem); letter-spacing: -0.015em; }
.page-header__lead { max-width: 40em; margin: 0; font-size: 1.125rem; }

/* --- Sections ------------------------------------------------------------ */

.section { padding-block: var(--section-space); }
.section--alt { background: var(--color-bg-alt); }
.section__header { max-width: 42rem; margin-bottom: 2.5rem; }
.section__title { font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.01em; }
.section__lead { color: var(--color-muted); margin: 0; }
.section__more { margin: 2.5rem 0 0; }

.split { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.split--top { align-items: start; }
.split__media { border-radius: var(--radius); box-shadow: var(--shadow); }
.split__media--logo { max-width: 16rem; margin-inline: auto; box-shadow: none; }
@media (min-width: 860px) {
    .split { grid-template-columns: 1fr 1fr; }
}

.checklist { margin: 0 0 1.75rem; padding: 0; list-style: none; }
.checklist li { position: relative; padding-left: 2rem; margin-bottom: 0.9rem; }
.checklist li::before {
    content: ""; position: absolute; left: 0; top: 0.3em;
    width: 1.25rem; height: 1.25rem; border-radius: 50%;
    background: var(--color-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center / 70% no-repeat;
}

/* --- Services ------------------------------------------------------------ */

.feature-grid {
    display: grid; gap: 1.25rem;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
    margin: 0; padding: 0; list-style: none;
}
.feature {
    padding: 1.75rem;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color 0.2s, box-shadow 0.2s;
    scroll-margin-top: 6rem;
}
.feature:hover { border-color: transparent; box-shadow: var(--shadow); }
.feature p { margin: 0; color: var(--color-muted); }
.feature__icon {
    display: inline-grid; place-items: center;
    width: 3rem; height: 3rem; margin-bottom: 1rem;
    border-radius: 0.75rem;
    background: var(--color-accent); color: var(--color-primary-dark);
}
.feature__title { font-size: 1.2rem; }

.steps { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); margin: 0; padding: 0; list-style: none; counter-reset: step; }
.steps li { counter-increment: step; padding: 1.5rem; background: #fff; border-radius: var(--radius); border-top: 3px solid var(--color-primary); }
.steps li::before { content: "0" counter(step); display: block; margin-bottom: 0.5rem; font-weight: 800; font-size: 1.5rem; color: var(--color-primary); }
.steps h3 { font-size: 1.15rem; }
.steps p { margin: 0; color: var(--color-muted); }

/* --- Cartes -------------------------------------------------------------- */

.card-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr)); }

.card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 2px 4px rgb(16 34 46 / 6%), 0 16px 32px rgb(16 34 46 / 12%); }
.card__link { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.card__link:hover { color: inherit; }
.card__media { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.card__media--wide { aspect-ratio: 2 / 1; }
.card__body { padding: 1.25rem 1.5rem 1.5rem; }
.card__body p:last-child { margin: 0; color: var(--color-muted); font-size: 0.975rem; }
.card__title { font-size: 1.15rem; }
.card__link:hover .card__title { color: var(--color-primary); }

/* --- Contenu éditorial --------------------------------------------------- */

.prose > :last-child { margin-bottom: 0; }
.prose h2 { margin-top: 2rem; font-size: 1.5rem; }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 1.25rem; }
.prose li { margin-bottom: 0.4rem; }
.lead { font-size: 1.2rem; color: var(--color-ink); }
.article-cover { width: 100%; margin-bottom: 2rem; border-radius: var(--radius); }

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.5rem 0; padding: 0; list-style: none; }
.tags li { padding: 0.25rem 0.75rem; border-radius: 999px; background: var(--color-bg-alt); font-size: 0.875rem; color: var(--color-ink); }

/* --- Contact ------------------------------------------------------------- */

.contact { display: grid; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 860px) {
    .contact { grid-template-columns: 3fr 2fr; }
}

.form { display: grid; gap: 1.25rem; }
.form__row { display: grid; gap: 0.4rem; }
.form label { font-weight: 600; color: var(--color-ink); }
.form input, .form textarea {
    width: 100%; padding: 0.8rem 1rem;
    border: 1px solid var(--color-border); border-radius: 0.5rem;
    font: inherit; color: var(--color-ink); background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form textarea { resize: vertical; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgb(0 114 159 / 20%); }
.form .btn { justify-self: start; }
.form__hint { margin: 0; font-size: 0.9rem; color: var(--color-muted); }

.contact__info { align-self: start; padding: 2rem; border-radius: var(--radius); background: var(--color-bg-alt); }
.contact__info h2 { font-size: 1.35rem; }
.contact__list { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; }
.contact__list li { display: flex; gap: 0.75rem; align-items: flex-start; }
.contact__list .icon { margin-top: 0.2em; color: var(--color-primary); }
.contact__list a { overflow-wrap: anywhere; }

/* --- Appel à l'action ---------------------------------------------------- */

.cta { padding-block: clamp(3rem, 6vw, 4rem); background: var(--color-primary); color: rgb(255 255 255 / 90%); }
.cta__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.cta__title { color: #fff; font-size: clamp(1.5rem, 3vw, 2rem); }
.cta p { margin: 0; }

/* --- Footer -------------------------------------------------------------- */

.site-footer { background: var(--color-dark); color: rgb(255 255 255 / 72%); font-size: 0.975rem; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { color: var(--color-accent); text-decoration: underline; }
.site-footer__grid { display: grid; gap: 2.5rem; padding-block: 4rem 3rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
.site-footer__logo { width: 170px; margin-bottom: 1.25rem; }
.site-footer__title { color: #fff; font-size: 0.875rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1rem; }
.site-footer__links { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.5rem; }
.site-footer__bottom { border-top: 1px solid rgb(255 255 255 / 10%); padding-block: 1.25rem; }
.site-footer__bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1.5rem; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}