/*
 * Design system — maquette "DevFreelance Site" (claude.ai/design).
 * Les valeurs (couleurs, typo, rayons) sont reprises telles quelles de la maquette.
 */

:root {
    --ink: #0d1b2a;
    --ink-soft: #40505f;
    --muted: #5b6b7a;
    --muted-light: #93a2b1;
    --muted-lighter: #8a99a8;
    --accent: #10b6c4;
    --accent-deep: #0e97a3;
    --accent-pale: #e2f6f8;
    --bg: #f6f8fa;
    --surface: #fff;
    --line: #e5eaef;
    --line-soft: #eef2f5;

    --font-display: 'Sora', system-ui, sans-serif;
    --font-body: 'Manrope', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;

    --wrap: 1200px;
    --wrap-narrow: 1000px;
}

* {
    box-sizing: border-box;
}

/* Sans cette regle, un `display` explicite (ex. .card { display:flex }) l'emporte
   sur le display:none implicite de [hidden] : l'element reste visible alors que
   l'attribut est bien pose. C'est ce qui cassait le filtrage des articles. */
[hidden] {
    display: none !important;
}

body {
    margin: 0;
    background: var(--bg);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    color: var(--ink);
}

a {
    color: var(--accent-deep);
    text-decoration: none;
}

a:hover {
    color: var(--ink);
}

button {
    font-family: inherit;
}

.layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding-left: 32px;
    padding-right: 32px;
}

.wrap--narrow {
    max-width: var(--wrap-narrow);
}

.eyebrow {
    font: 600 11px var(--font-mono);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--accent-deep);
}

/* ---------- En-tete ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    padding-bottom: 18px;
}

.brand {
    font: 800 21px var(--font-display);
    color: var(--ink);
    letter-spacing: -.02em;
}

.brand__dot {
    color: var(--accent);
}

.site-header__right {
    display: flex;
    align-items: center;
    gap: 30px;
}

.site-nav {
    display: flex;
    gap: 26px;
    font: 600 14.5px var(--font-body);
}

.site-nav a {
    color: var(--muted);
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
    color: var(--ink);
}

.socials {
    display: flex;
    gap: 9px;
}

.social {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.social:hover {
    color: #fff;
    opacity: .85;
}

.social svg {
    display: block;
}

.social--gh {
    background: var(--ink);
}

.social--in {
    background: var(--accent);
}

/* ---------- Bandeau de titre ---------- */

.page-head {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}

.page-head__inner {
    padding-top: 52px;
    padding-bottom: 40px;
}

.page-head h1 {
    margin: 10px 0 0;
    font: 800 38px/1.12 var(--font-display);
    color: var(--ink);
    letter-spacing: -.025em;
    max-width: 640px;
    text-wrap: pretty;
}

.page-head__lead {
    margin: 16px 0 0;
    font: 400 17px/1.6 var(--font-body);
    color: var(--muted);
    max-width: 560px;
}

/* ---------- Grille du blog ---------- */

.blog-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
    padding-top: 40px;
    padding-bottom: 64px;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-self: start;
    position: sticky;
    top: 96px;
}

.search {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 12px 15px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 11px;
}

.search input {
    border: none;
    outline: none;
    background: none;
    font: 400 13.5px var(--font-body);
    color: var(--ink);
    width: 100%;
}

.sidebar__title {
    font: 600 11px var(--font-mono);
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--muted-light);
    margin-bottom: 12px;
}

.filters {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.filter {
    text-align: left;
    border: none;
    cursor: pointer;
    padding: 10px 13px;
    border-radius: 9px;
    font: 600 13.5px var(--font-body);
    background: transparent;
    color: var(--muted);
}

.filter:hover {
    background: var(--line-soft);
}

.filter[aria-pressed='true'] {
    background: var(--ink);
    color: #fff;
}

.author-card {
    background: var(--ink);
    border-radius: 15px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.author-card__avatar {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: repeating-linear-gradient(135deg, #20304a 0 8px, #182740 8px 16px);
    display: flex;
    align-items: center;
    justify-content: center;
    font: 500 9px var(--font-mono);
    color: #6b7d94;
}

.author-card__name {
    font: 700 15px var(--font-display);
    color: #fff;
}

.author-card__role {
    font: 400 12.5px var(--font-body);
    color: var(--muted-lighter);
}

.author-card p {
    margin: 0;
    font: 400 12.5px/1.55 var(--font-body);
    color: #a9b6c6;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    border: none;
    cursor: pointer;
    background: var(--accent);
    color: #fff;
    padding: 9px 15px;
    border-radius: 9px;
    font: 600 12.5px var(--font-body);
}

.btn:hover {
    color: #fff;
    opacity: .9;
}

.btn--lg {
    padding: 15px 26px;
    border-radius: 12px;
    font: 700 15px var(--font-body);
}

.btn--dark {
    background: var(--ink);
}

.article-feed {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.feed-count {
    font: 500 13px var(--font-body);
    color: var(--muted-light);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 15px;
    padding: 24px;
    gap: 13px;
    transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

.card:hover {
    border-color: var(--accent);
    box-shadow: 0 16px 32px -20px rgba(13, 27, 42, .32);
    transform: translateY(-2px);
}

.card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.tag {
    font: 600 10px var(--font-mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--accent-deep);
    background: var(--accent-pale);
    padding: 5px 9px;
    border-radius: 5px;
}

.card__read {
    font: 500 11.5px var(--font-body);
    color: var(--muted-light);
    white-space: nowrap;
}

.card h3 {
    margin: 0;
    font: 700 18px/1.28 var(--font-display);
    color: var(--ink);
    text-wrap: pretty;
}

.card h3 a {
    color: inherit;
}

.card__excerpt {
    margin: 0;
    font: 400 13.5px/1.55 var(--font-body);
    color: var(--muted);
    flex: 1;
    /* Extraits de longueur variable : borner a 3 lignes garde les cartes alignees. */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card__date {
    font: 500 12px var(--font-body);
    color: var(--muted-light);
    padding-top: 11px;
    border-top: 1px solid var(--line-soft);
}

.feed-empty {
    font: 400 14px var(--font-body);
    color: var(--muted);
    background: var(--surface);
    border: 1px dashed var(--line);
    border-radius: 15px;
    padding: 28px;
    text-align: center;
}

/* ---------- Page article ---------- */

.post {
    max-width: 760px;
    margin: 0 auto;
    padding-top: 48px;
    padding-bottom: 72px;
}

.post__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.post h1 {
    margin: 0;
    font: 800 34px/1.16 var(--font-display);
    color: var(--ink);
    letter-spacing: -.02em;
    text-wrap: pretty;
}

.post__lead {
    margin: 16px 0 0;
    font: 400 17px/1.65 var(--font-body);
    color: var(--muted);
}

.post__cover {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 15px;
    margin: 32px 0 0;
    border: 1px solid var(--line);
}

.prose {
    margin-top: 32px;
    font: 400 16.5px/1.75 var(--font-body);
    color: var(--ink-soft);
}

.prose h2 {
    margin: 40px 0 12px;
    font: 700 24px/1.25 var(--font-display);
    color: var(--ink);
    letter-spacing: -.01em;
}

.prose h3 {
    margin: 32px 0 10px;
    font: 700 19px/1.3 var(--font-display);
    color: var(--ink);
}

.prose p {
    margin: 0 0 18px;
}

.prose img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--line);
}

.prose ul,
.prose ol {
    margin: 0 0 18px;
    padding-left: 22px;
}

.prose li {
    margin-bottom: 8px;
}

.prose blockquote {
    margin: 24px 0;
    padding: 4px 0 4px 20px;
    border-left: 3px solid var(--accent);
    color: var(--muted);
}

.prose code {
    font: 500 13.5px var(--font-mono);
    background: var(--accent-pale);
    color: var(--accent-deep);
    padding: 2px 6px;
    border-radius: 5px;
}

.prose pre {
    background: var(--ink);
    color: #e8eef5;
    border-radius: 12px;
    padding: 20px 22px;
    overflow-x: auto;
    margin: 0 0 22px;
}

.prose pre code {
    font: 400 13.5px/1.6 var(--font-mono);
    background: none;
    color: inherit;
    padding: 0;
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 22px;
    font-size: 15px;
}

.prose th,
.prose td {
    border: 1px solid var(--line);
    padding: 10px 12px;
    text-align: left;
}

.post__back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    font: 600 14px var(--font-body);
}

/* ---------- Plan du site ---------- */

.sitemap {
    display: flex;
    flex-direction: column;
    gap: 44px;
}

.sitemap__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sitemap__list li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 11px 4px;
    border-bottom: 1px solid var(--line-soft);
}

.sitemap__list a {
    font: 600 15px var(--font-body);
    color: var(--ink);
}

.sitemap__list a:hover {
    color: var(--accent-deep);
}

.sitemap__list time {
    font: 500 12.5px var(--font-body);
    color: var(--muted-light);
    white-space: nowrap;
}

/* ---------- Pages de contenu ---------- */

.page-body {
    padding-top: 48px;
    padding-bottom: 72px;
}

.page-body .prose {
    margin-top: 0;
    max-width: 760px;
}

/* ---------- Page À propos ---------- */

.profile {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}

.profile__inner {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 36px;
    align-items: center;
    padding-top: 56px;
    padding-bottom: 56px;
}

.profile__photo {
    width: 150px;
    height: 150px;
    flex: none;
    border-radius: 22px;
    background: repeating-linear-gradient(135deg, #eaeff3 0 12px, #e2e8ee 12px 24px);
    display: flex;
    align-items: center;
    justify-content: center;
    font: 500 11px var(--font-mono);
    color: var(--muted-light);
    object-fit: cover;
}

.profile h1 {
    margin: 10px 0 0;
    font: 800 36px/1.12 var(--font-display);
    color: var(--ink);
    letter-spacing: -.025em;
}

.profile__role {
    margin: 8px 0 0;
    font: 500 16px var(--font-body);
    color: var(--muted);
}

.profile__links {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.profile__links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 10px;
    font: 600 13.5px var(--font-body);
    color: #fff;
}

.about {
    padding-top: 48px;
    padding-bottom: 64px;
    display: flex;
    flex-direction: column;
    gap: 52px;
}

.about-section {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
}

.about-section h2 {
    margin: 0;
    font: 700 22px var(--font-display);
    color: var(--ink);
    letter-spacing: -.01em;
}

.about-section__hint {
    margin: 8px 0 0;
    font: 400 13.5px var(--font-body);
    color: var(--muted-light);
}

.about-section__body {
    max-width: 620px;
}

.about-section__body p {
    margin: 0 0 16px;
    font: 400 16.5px/1.7 var(--font-body);
    color: var(--ink-soft);
}

.about-section__body p:last-child {
    margin-bottom: 0;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-content: flex-start;
}

.chip {
    font: 600 13.5px var(--font-body);
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--ink);
}

.values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.value {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 22px;
}

.value__num {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--accent-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    font: 700 15px var(--font-display);
    color: var(--accent-deep);
    margin-bottom: 14px;
}

.value h3 {
    margin: 0 0 6px;
    font: 700 16px var(--font-display);
    color: var(--ink);
}

.value p {
    margin: 0;
    font: 400 13.5px/1.55 var(--font-body);
    color: var(--muted);
}

.services {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.service {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 4px;
    border-bottom: 1px solid var(--line-soft);
}

.service__num {
    font: 500 12px var(--font-mono);
    color: var(--accent);
    width: 28px;
}

.service__title {
    font: 600 15.5px var(--font-display);
    color: var(--ink);
    flex: 1;
}

.service__detail {
    font: 400 13.5px var(--font-body);
    color: var(--muted-light);
}

.cta {
    background: var(--ink);
    border-radius: 20px;
    padding: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cta h2 {
    margin: 0;
    font: 800 26px/1.2 var(--font-display);
    color: #fff;
    letter-spacing: -.01em;
}

.cta p {
    margin: 10px 0 0;
    font: 400 15px var(--font-body);
    color: #a9b6c6;
    max-width: 420px;
}

/* ---------- Pied de page ---------- */

.site-footer {
    background: var(--ink);
    padding: 40px 0;
}

.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.site-footer__brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.site-footer__brand .brand {
    font-size: 19px;
    color: #fff;
}

.site-footer__tagline {
    font: 400 13px var(--font-body);
    color: var(--muted-lighter);
}

.site-footer .social {
    width: 36px;
    height: 36px;
}

.site-footer .social--gh {
    background: rgba(255, 255, 255, .1);
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .about-section {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .profile__inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 720px) {
    .wrap {
        padding-left: 20px;
        padding-right: 20px;
    }

    .card-grid,
    .values {
        grid-template-columns: 1fr;
    }

    .page-head h1 {
        font-size: 30px;
    }

    .post h1 {
        font-size: 27px;
    }

    .site-header__right {
        gap: 16px;
    }

    .cta {
        padding: 28px;
    }
}

/* ---------- Formulaire de contact ---------- */

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

.contact__form {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 15px;
    padding: 32px;
}

.form-row {
    margin-bottom: 20px;
}

/* Pot de miel : invisible pour un humain, present dans le DOM pour les robots. */
.form-row--trap {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-label {
    display: block;
    margin-bottom: 7px;
    font: 600 13.5px var(--font-body);
    color: var(--ink);
}

.form-label__required {
    color: var(--accent-deep);
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: var(--bg);
    font: 400 14.5px var(--font-body);
    color: var(--ink);
    outline: none;
    transition: border-color .14s ease, background .14s ease;
}

.form-input:focus {
    border-color: var(--accent);
    background: var(--surface);
}

textarea.form-input {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

.form-row--checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    flex-wrap: wrap;
}

.form-row--checkbox .form-label {
    margin: 0;
    font-weight: 400;
    font-size: 13.5px;
    color: var(--muted);
    flex: 1;
    min-width: 220px;
}

.form-row--checkbox input[type='checkbox'] {
    margin-top: 2px;
    width: 17px;
    height: 17px;
    accent-color: var(--accent);
}

.form-errors {
    list-style: none;
    margin: 7px 0 0;
    padding: 0;
    font: 500 12.5px var(--font-body);
    color: #c0392b;
}

.alert {
    margin: 0 0 24px;
    padding: 15px 20px;
    border-radius: 11px;
    font: 500 14.5px var(--font-body);
}

.alert--success {
    background: var(--accent-pale);
    color: var(--accent-deep);
    border: 1px solid var(--accent);
}

.alert--error {
    background: #fdecea;
    color: #c0392b;
    border: 1px solid #f5b7b1;
}

.contact__aside .socials {
    margin-top: 4px;
}

@media (max-width: 980px) {
    .contact__grid {
        grid-template-columns: 1fr;
    }
}