/*
  GAROU SERVICES - feuille de style
  Tailwind gère l'essentiel de la mise en page directement dans le HTML.
  Ici, on garde uniquement ce que les classes utilitaires ne couvrent pas.
*/

:root {
    --brand: #1f3b68;
    --brand-light: #4f7fcb;
    --accent: #3a6bc4;
    /* bleu vif : reste visible sur fond noir comme sur fond bleu marine */
    --sky: #8fb1e8;
    --ink: #171717;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
    /* évite que le header masque les titres */
}

body {
    font-family: "Barlow", system-ui, sans-serif;
    color: var(--ink);
    background: #fff;
    overflow-x: hidden;
}

h1,
h2,
h3,
.font-display {
    font-family: "Barlow Condensed", Impact, sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 0.95;
}

:focus-visible {
    outline: 3px solid var(--brand-light);
    outline-offset: 3px;
}

/* Sur fond sombre, le bleu de la marque est trop foncé : on passe au bleu clair */
.on-dark .text-brand,
.on-dark .hover\:text-brand:hover {
    color: var(--sky);
}

.on-dark .border-brand {
    border-color: var(--sky);
}

/* ---------- Titres ---------- */
/* Le sélecteur [class] rend ces règles prioritaires sur les tailles Tailwind du HTML */

h1[class] {
    font-size: clamp(2.5rem, 6.5vw, 5.25rem);
}

h2[class] {
    font-size: clamp(2.1rem, 4.6vw, 3.75rem);
}

h3[class] {
    font-size: clamp(1.5rem, 2.4vw, 2rem);
}

#services-list h3[class] {
    font-size: clamp(1.9rem, 3.2vw, 2.6rem);
}

footer h3[class] {
    font-size: 1.125rem;
}

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

#site-header {
    transition: background 0.3s, box-shadow 0.3s;
}

#site-header.is-solid {
    background: rgba(23, 23, 23, 0.88);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: var(--sky);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}

.nav-link:hover::after,
.nav-link.is-active::after {
    transform: scaleX(1);
}

.nav-link.is-active {
    color: var(--sky);
}

/* Menu mobile : glisse depuis le haut */
#menu {
    visibility: hidden;
    transform: translateY(-100%);
    transition: transform 0.45s cubic-bezier(0.7, 0, 0.2, 1);
}

#menu.is-open {
    visibility: visible;
    transform: none;
}

/* ---------- Boutons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.95rem 1.7rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.btn-primary {
    background: var(--brand);
    color: #fff;
}

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

.btn-accent {
    background: var(--accent);
    color: #fff;
}

.btn-accent:hover {
    background: #fff;
    color: var(--brand);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: #fff;
}

.btn-outline:hover {
    background: #fff;
    border-color: #fff;
    color: var(--brand);
}

/* ---------- Images ---------- */

.img-zoom img {
    transition: transform 0.8s ease;
}

.img-zoom:hover img {
    transform: scale(1.06);
}

/* ---------- Apparition au scroll ---------- */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ---------- Galerie des réalisations ---------- */

.card {
    transition: opacity 0.35s, transform 0.35s;
}

.card.is-fading {
    opacity: 0;
    transform: scale(0.97);
}

.card.is-hidden {
    display: none;
}

/* Mosaïque : les images ont des proportions différentes */
.masonry {
    columns: 2;
    column-gap: 12px;
}

.masonry>* {
    break-inside: avoid;
    margin-bottom: 12px;
}

@media (min-width: 1024px) {
    .masonry {
        columns: 3;
        column-gap: 16px;
    }

    .masonry>* {
        margin-bottom: 16px;
    }
}

/* ---------- Formulaire ---------- */

.field {
    width: 100%;
    padding: 0.9rem 1rem;
    color: #fff;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.field:focus {
    outline: none;
    border-color: var(--sky);
}

.field.has-error {
    border-color: #ef4444;
}

/* ---------- Accessibilité ---------- */

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

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ---------- Miniatures de la galerie plein écran ---------- */

.thumb {
    flex-shrink: 0;
    width: 4.5rem;
    height: 3.25rem;
    overflow: hidden;
    border: 2px solid transparent;
    color: #fff;
    opacity: 0.55;
    transition: opacity 0.2s, border-color 0.2s;
}

.thumb:hover {
    opacity: 0.9;
}

.thumb.is-active {
    opacity: 1;
    border-color: var(--sky);
}