/* ---------------------------------------------------------------
   Essai « Herbier » : un carnet de naturaliste.
   Papier quadrillé, étiquettes de spécimens, photos scotchées,
   tampons et notes à la main.
   --------------------------------------------------------------- */

@import url("https://fonts.googleapis.com/css2?family=Caveat:wght@500;700&family=IBM+Plex+Mono:wght@400;600&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap");

:root {
    --papier: #f3ecd9;
    --carton: #fbf7ea;
    --quadrillage: rgba(70, 110, 140, .10);
    --encre: #2b2a26;
    --sepia: #7a5c3a;
    --herbe: #4f6b3a;
    --tampon: #b23a2b;
    --scotch: rgba(250, 236, 170, .65);
    --livre: "Libre Baskerville", Georgia, serif;
    --machine: "IBM Plex Mono", Consolas, monospace;
    --main: "Caveat", "Segoe Print", cursive;
    --largeur: 1100px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: var(--papier);
    background-image:
        linear-gradient(var(--quadrillage) 1px, transparent 1px),
        linear-gradient(90deg, var(--quadrillage) 1px, transparent 1px);
    background-size: 24px 24px;
    color: var(--encre);
    font: 16px/1.7 var(--livre);
}

a {
    color: var(--herbe);
}

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

.saut {
    position: absolute;
    left: -9999px;
}

.saut:focus {
    left: 16px;
    top: 16px;
    z-index: 10;
    padding: 8px 12px;
    background: var(--encre);
    color: var(--papier);
}

.bloc,
.site-entete {
    scroll-margin-top: 16px;
}

/* --- Navigation : l'en-tête du carnet --- */

.site-nav {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 8px 28px;
    max-width: var(--largeur);
    margin: 0 auto;
    padding: 24px 16px 14px;
    border-bottom: 2px solid var(--encre);
}

.marque {
    color: var(--encre);
    font: 700 2.2rem/1 var(--main);
    text-decoration: none;
}

.nav-liens {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 20px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-liens a,
.nav-action {
    color: var(--encre);
    font: .8rem var(--machine);
    letter-spacing: .08em;
    text-decoration: none;
    text-transform: uppercase;
    border-bottom: 1px dotted var(--sepia);
}

.nav-liens a:hover,
.nav-action:hover {
    color: var(--tampon);
    border-bottom-style: solid;
}

.nav-action {
    margin-left: auto;
    color: var(--tampon);
}

/* --- Hero : la première page du carnet --- */

.hero {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: center;
    max-width: var(--largeur);
    margin: 0 auto;
    padding: 64px 16px 80px;
}

.hero-surtitre {
    display: inline-block;
    margin: 0 0 18px;
    padding: 6px 12px;
    border: 1px dashed var(--sepia);
    background: var(--carton);
    color: var(--sepia);
    font: .8rem var(--machine);
    letter-spacing: .08em;
    text-transform: uppercase;
}

.hero-surtitre::before {
    content: "Spécimen n° 001 · ";
}

.hero-titre {
    margin: 0;
    font: italic 400 clamp(3rem, 8vw, 5.5rem)/1.05 var(--livre);
}

.hero-intro {
    max-width: 40ch;
    margin: 20px 0 30px;
    font-size: 1.05rem;
}

.hero-intro::after {
    content: "← à compléter un jour";
    display: block;
    margin-top: 6px;
    color: var(--sepia);
    font: 1.35rem var(--main);
    transform: rotate(-2deg);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* La photo scotchée */
.hero-visuel {
    position: relative;
    margin: 0;
    padding: 14px 14px 56px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .08), 0 18px 30px -12px rgba(60, 40, 10, .35);
    transform: rotate(2.5deg);
}

.hero-visuel::before {
    content: "";
    position: absolute;
    top: -14px;
    left: 50%;
    width: 120px;
    height: 32px;
    background: var(--scotch);
    transform: translateX(-50%) rotate(-4deg);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .08);
}

.hero-visuel img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    filter: sepia(.25) saturate(.9);
}

.hero-visuel figcaption {
    position: absolute;
    right: 0;
    bottom: 10px;
    left: 0;
    color: var(--encre);
    font: 1.6rem var(--main);
    text-align: center;
}

/* --- Boutons : des coups de tampon --- */

.page-contenu .btn,
.bouton {
    display: inline-block;
    padding: 10px 18px;
    border: 2px solid var(--tampon);
    border-radius: 4px;
    background: transparent;
    color: var(--tampon);
    font: 600 .85rem var(--machine);
    letter-spacing: .1em;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
    transform: rotate(-1deg);
    transition: background .15s, color .15s;
}

.page-contenu .btn:hover,
.bouton:hover {
    background: var(--tampon);
    color: var(--carton);
}

.bouton-discret {
    border-color: var(--herbe);
    color: var(--herbe);
    transform: rotate(1deg);
}

.bouton-discret:hover {
    background: var(--herbe);
}

/* --- Blocs : des planches --- */

.bloc {
    max-width: var(--largeur);
    margin: 0 auto;
    padding: 56px 16px;
}

.bloc-entete {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 18px;
    margin-bottom: 32px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--encre);
}

.bloc-numero {
    color: var(--sepia);
    font: .8rem var(--machine);
    letter-spacing: .1em;
    text-transform: uppercase;
}

.bloc-numero::before {
    content: "Planche ";
}

.bloc-entete h2 {
    margin: 0;
    font: 700 clamp(1.8rem, 4vw, 2.4rem) var(--livre);
}

.bloc-chapo {
    flex-basis: 100%;
    margin: 0;
    color: var(--sepia);
    font: 1.45rem/1.2 var(--main);
}

/* Articles : des étiquettes de spécimens */
.page-contenu .grid,
.grille-articles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr));
    gap: 28px;
}

.page-contenu .item,
.carte-article {
    position: relative;
    padding: 22px 22px 18px 44px;
    background: var(--carton);
    border: 1px solid var(--sepia);
    border-radius: 3px 14px 14px 3px;
    box-shadow: 0 6px 14px -8px rgba(60, 40, 10, .45);
    transform: rotate(-.6deg);
    transition: transform .2s;
}

.page-contenu .item:nth-child(even),
.carte-article:nth-child(even) {
    transform: rotate(.8deg);
}

.page-contenu .item:hover,
.carte-article:hover {
    transform: rotate(0) translateY(-3px);
}

/* L'œillet de l'étiquette */
.page-contenu .item::before,
.carte-article::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 14px;
    width: 14px;
    height: 14px;
    margin-top: -7px;
    border: 2px solid var(--sepia);
    border-radius: 50%;
    background: var(--papier);
}

.carte-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    font: .75rem var(--machine);
    color: var(--sepia);
}

.carte-lieu {
    padding: 1px 6px;
    border: 1.5px solid var(--tampon);
    border-radius: 3px;
    color: var(--tampon);
    letter-spacing: .06em;
    text-transform: uppercase;
    transform: rotate(-3deg);
}

.carte-article h3 {
    margin: 10px 0 6px;
    font: italic 400 1.25rem/1.3 var(--livre);
}

.carte-article h3 a {
    color: var(--encre);
    text-decoration: none;
}

.carte-article h3 a:hover {
    text-decoration: underline wavy var(--herbe);
}

.carte-article p {
    margin: 0 0 8px;
    font-size: .95rem;
}

.carte-lien {
    font: 1.3rem var(--main);
    text-decoration: none;
}

/* Pages : des fiches bristol */
.grille-pages {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: 24px;
}

.tuile-page {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 16px 18px 18px 44px;
    background-color: #fff;
    background-image:
        linear-gradient(90deg, transparent 32px, rgba(178, 58, 43, .45) 32px, rgba(178, 58, 43, .45) 33px, transparent 33px),
        repeating-linear-gradient(transparent, transparent 27px, rgba(70, 110, 140, .25) 27px, rgba(70, 110, 140, .25) 28px);
    background-position: 0 0, 0 10px;
    box-shadow: 0 6px 14px -8px rgba(60, 40, 10, .45);
    color: var(--encre);
    line-height: 28px;
    text-decoration: none;
    transition: transform .2s;
}

.tuile-page:hover {
    transform: translateY(-3px) rotate(-.5deg);
}

.tuile-icone {
    font-size: 1.4rem;
}

.tuile-page strong {
    font: 700 1.7rem/28px var(--main);
}

.tuile-texte {
    font-size: .9rem;
}

/* À propos */
.colonnes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: 40px;
    margin-bottom: 28px;
}

.colonne h3 {
    display: inline-block;
    margin: 0 0 8px;
    font: 700 1.2rem var(--livre);
    text-decoration: underline wavy var(--herbe);
    text-underline-offset: 6px;
}

.colonne p {
    margin: 0;
}

/* Contact : une fiche à remplir */
.formulaire {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px 32px;
    max-width: 760px;
    padding: 28px;
    background: var(--carton);
    border: 1px solid var(--sepia);
    box-shadow: 0 6px 14px -8px rgba(60, 40, 10, .45);
}

.champ-large,
.formulaire-note {
    grid-column: 1 / -1;
}

.page-contenu .form-label,
.champ label {
    display: block;
    color: var(--sepia);
    font: .75rem var(--machine);
    letter-spacing: .1em;
    text-transform: uppercase;
}

.page-contenu .form-control,
.champ input,
.champ textarea {
    width: 100%;
    padding: 4px 0;
    border: 0;
    border-bottom: 1px dotted var(--encre);
    background: transparent;
    color: var(--encre);
    font: 1.5rem var(--main);
}

.champ textarea {
    background-image: repeating-linear-gradient(transparent, transparent 35px, rgba(43, 42, 38, .3) 35px, rgba(43, 42, 38, .3) 36px);
    line-height: 36px;
    border-bottom: 0;
}

.page-contenu .form-control:focus,
.champ input:focus,
.champ textarea:focus {
    outline: 2px solid rgba(79, 107, 58, .3);
    outline-offset: 4px;
}

.formulaire .bouton {
    justify-self: start;
}

.formulaire-note,
.vide {
    margin: 0;
    color: var(--sepia);
    font: 1.4rem var(--main);
}

/* --- Pied de page : la couverture du carnet --- */

.site-pied {
    margin-top: 48px;
    padding: 48px max(16px, calc((100% - var(--largeur)) / 2)) 24px;
    background: #5a4632;
    color: #f3ecd9;
    box-shadow: inset 0 12px 18px -12px rgba(0, 0, 0, .5);
}

.site-pied a {
    color: inherit;
}

.pied-colonnes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 28px;
}

.pied-colonnes h4 {
    margin: 0 0 6px;
    font: 700 1.7rem var(--main);
}

.pied-colonnes p {
    margin: 0;
}

.reseaux {
    display: flex;
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 1.5rem;
}

.pied-copyright {
    margin: 32px 0 0;
    font: .75rem var(--machine);
    letter-spacing: .08em;
    opacity: .75;
}

/* --- Les vraies pages du site, vues à travers le labo ---
   (list.php, article.php, newArticle.php...) Leur HTML n'est pas fait
   pour le labo : on habille leurs balises et les quelques classes
   Bootstrap qu'elles utilisent. Les boutons, champs et cartes
   partagent les règles plus haut (.page-contenu .btn, .form-control,
   .item...). */

.page-contenu {
    max-width: var(--largeur);
    margin: 0 auto;
    padding: 56px 16px 96px;
}

.page-contenu h1 {
    margin: 0 0 36px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--encre);
    font: italic 400 clamp(2rem, 5vw, 3.2rem)/1.15 var(--livre);
}

.page-contenu h1 i {
    margin-right: .4em;
    color: var(--tampon);
    font-size: .55em;
    vertical-align: middle;
}

.page-contenu > h2 {
    margin: 0 0 20px;
    font: italic 400 clamp(1.8rem, 5vw, 2.8rem)/1.15 var(--livre);
}

.page-contenu > p {
    max-width: 65ch;
    margin: 0 0 1.2em;
}

.page-contenu .item .image {
    display: none;
}

.page-contenu .item h2 {
    margin: 0 0 6px;
    font: italic 400 1.25rem/1.3 var(--livre);
}

.page-contenu .item p {
    margin: 0 0 8px;
    font-size: .95rem;
}

.page-contenu .item a {
    font: 1.3rem var(--main);
    text-decoration: none;
}

.page-contenu .item a i {
    margin-right: 6px;
    font-size: .8em;
}

.page-contenu form {
    max-width: 700px;
    padding: 28px;
    background: var(--carton);
    border: 1px solid var(--sepia);
    box-shadow: 0 6px 14px -8px rgba(60, 40, 10, .45);
}

.page-contenu .mb-3 {
    margin-bottom: 22px;
}

.page-contenu textarea.form-control {
    min-height: 108px;
    background-image: repeating-linear-gradient(transparent, transparent 35px, rgba(43, 42, 38, .3) 35px, rgba(43, 42, 38, .3) 36px);
    line-height: 36px;
    border-bottom: 0;
    resize: vertical;
}

.page-contenu .alert {
    display: inline-block;
    margin: 0 0 28px;
    padding: 8px 16px;
    border: 2px solid var(--herbe);
    border-radius: 4px;
    color: var(--herbe);
    font: 1.4rem var(--main);
    transform: rotate(-1deg);
}

.page-contenu .alert-danger {
    border-color: var(--tampon);
    color: var(--tampon);
}

/* --- Petits écrans --- */

@media (max-width: 800px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 48px;
        padding-top: 40px;
    }

    .hero-visuel {
        transform: rotate(1.5deg);
    }

    .formulaire {
        grid-template-columns: 1fr;
        padding: 20px;
    }
}