/* =====================================================================
   Lambec Trans Express — feuille de style du site public
   Une seule source pour toutes les pages : plus de CSS recopié 8 fois.
   ===================================================================== */

:root {
    --primary:       #0a2540;
    --primary-dark:  #061727;
    --primary-soft:  #143a5c;
    --accent:        #ff6b00;
    --accent-hover:  #e05e00;
    --accent-soft:   #fff4ec;

    --bg:            #ffffff;
    --bg-light:      #f6f8fa;
    --text:          #2d3748;
    --text-muted:    #64748b;
    --border:        #e2e8f0;

    --radius:        10px;
    --radius-sm:     6px;
    --shadow:        0 4px 14px rgba(10, 37, 64, .08);
    --shadow-lg:     0 12px 32px rgba(10, 37, 64, .14);

    --wrap:          1100px;
    --font: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: 20px;
}

/* Lien d'évitement pour la navigation au clavier et les lecteurs d'écran */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 2000;
    background: var(--accent);
    color: #fff;
    padding: 12px 20px;
    font-weight: 700;
}
.skip-link:focus { left: 0; }

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

/* ---------------------------------------------------------------------
   Navigation
   --------------------------------------------------------------------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--primary-dark);
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 2px 10px rgba(0, 0, 0, .3);
}

.nav__inner {
    max-width: var(--wrap);
    margin-inline: auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.nav__logo {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: .3px;
    line-height: 1.2;
}
.nav__logo span { color: var(--accent); }
.nav__logo small {
    display: block;
    font-size: .62rem;
    font-weight: 600;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: #8fa8c0;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__menu a {
    color: #fff;
    text-decoration: none;
    font-size: .95rem;
    font-weight: 500;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: color .2s, border-color .2s;
}
.nav__menu a:hover,
.nav__menu a:focus-visible { color: var(--accent); border-bottom-color: var(--accent); }

.nav__menu .nav__cta {
    background: var(--accent);
    color: #fff;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    border-bottom: none;
}
.nav__menu .nav__cta:hover { background: var(--accent-hover); color: #fff; border-bottom-color: transparent; }

/* Bouton burger — masqué au-dessus de 860 px */
.nav__toggle {
    display: none;
    background: none;
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: var(--radius-sm);
    /* 44 px de haut au total : la cible tactile minimale recommandée. */
    padding: 13px;
    cursor: pointer;
}
.nav__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform .25s, opacity .2s;
}
.nav__toggle span + span { margin-top: 5px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------------------------------------------------------------
   En-tête / accroche
   --------------------------------------------------------------------- */
.hero {
    position: relative;
    color: #fff;
    text-align: center;
    padding: 90px 20px 80px;
    background:
        linear-gradient(rgba(6, 23, 39, .93), rgba(10, 37, 64, .90)),
        url('../img/hero.svg') center / cover no-repeat,
        var(--primary);
}

.hero h1 {
    font-size: clamp(1.9rem, 4.5vw, 2.9rem);
    line-height: 1.15;
    margin: 0 0 18px;
    letter-spacing: .5px;
}
.hero h1 .accent { color: var(--accent); }

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.18rem);
    font-weight: 300;
    max-width: 780px;
    margin: 0 auto 32px;
    color: #dbe6f0;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 38px;
}

.badge-pill {
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 999px;
    padding: 7px 16px;
    font-size: .87rem;
    font-weight: 600;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

/* ---------------------------------------------------------------------
   Boutons
   --------------------------------------------------------------------- */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s, transform .1s;
}
.btn:active { transform: translateY(1px); }

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

.btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }

/* ---------------------------------------------------------------------
   Sections
   --------------------------------------------------------------------- */
section { padding: 70px 0; }
section.alt { background: var(--bg-light); }

.section-title {
    text-align: center;
    color: var(--primary);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 12px;
}
.section-title::after {
    content: '';
    display: block;
    width: 52px;
    height: 3px;
    background: var(--accent);
    margin: 14px auto 0;
}

.section-intro {
    text-align: center;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 44px;
}

/* Grille des services */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 24px;
}

.service {
    background: #fff;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 26px;
    box-shadow: var(--shadow);
    transition: transform .2s, box-shadow .2s;
}
.service:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.service__icon {
    width: 42px;
    height: 42px;
    margin-bottom: 14px;
    color: var(--accent);
}

.service h3 {
    color: var(--primary);
    margin: 0 0 10px;
    font-size: 1.15rem;
}
.service p { margin: 0; font-size: .97rem; color: var(--text-muted); }

/* Liste d'arguments */
.features { list-style: none; margin: 0; padding: 0; }

.features li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.features li:last-child { border-bottom: none; }

.features li::before {
    content: '✓';
    flex: none;
    width: 26px;
    height: 26px;
    margin-top: 2px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 800;
    font-size: .9rem;
}

.features strong { color: var(--primary); display: block; }
.features p { margin: 2px 0 0; color: var(--text-muted); font-size: .97rem; }

/* Zone d'intervention */
.zone {
    background: var(--primary);
    color: #fff;
    border-left: 6px solid var(--accent);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow-lg);
}
.zone h3 { color: var(--accent); margin: 0 0 10px; font-size: 1.3rem; }
.zone p { color: #cfdcea; }

.zone__areas {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 20px;
    padding: 0;
    list-style: none;
}
.zone__areas li {
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--radius-sm);
    padding: 7px 14px;
    font-size: .9rem;
    font-weight: 600;
}

.zone__axes {
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, .16);
    font-size: .95rem;
    color: #cfdcea;
}

/* ---------------------------------------------------------------------
   Contact
   --------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 40px;
    align-items: start;
}

.contact-card {
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius);
    padding: 34px;
    box-shadow: var(--shadow-lg);
}
.contact-card h3 { margin: 0 0 8px; color: #fff; font-size: 1.3rem; }
.contact-card > p { color: #cfdcea; margin-top: 0; }

.contact-list { list-style: none; margin: 24px 0 0; padding: 0; }
.contact-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    border-top: 1px solid rgba(255, 255, 255, .14);
}
.contact-list a { color: var(--accent); font-weight: 700; text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }
.contact-list .label { display: block; font-size: .74rem; text-transform: uppercase;
                       letter-spacing: 1px; color: #8fa8c0; }

/* Formulaire */
.form-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}

.field { margin-bottom: 18px; }

.field label {
    display: block;
    font-weight: 600;
    font-size: .9rem;
    color: var(--primary);
    margin-bottom: 6px;
}
.field .optional { font-weight: 400; color: var(--text-muted); }

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 12px 14px;
    font: inherit;
    font-size: .97rem;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color .2s, box-shadow .2s;
}
.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, .14);
}

.field textarea { min-height: 130px; resize: vertical; }

.field--error input,
.field--error textarea { border-color: #dc2626; }

.field__error {
    display: block;
    margin-top: 6px;
    font-size: .85rem;
    color: #dc2626;
    font-weight: 600;
}

.field--honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-note { font-size: .85rem; color: var(--text-muted); margin-top: 16px; }

/* Messages */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-weight: 600;
    font-size: .95rem;
    border-left: 4px solid;
}
.alert--success { background: #ecfdf5; color: #065f46; border-color: #10b981; }
.alert--error   { background: #fef2f2; color: #991b1b; border-color: #dc2626; }
.alert--info    { background: #eff6ff; color: #1e40af; border-color: #3b82f6; }

/* ---------------------------------------------------------------------
   Pages juridiques
   --------------------------------------------------------------------- */
.legal-header {
    background: var(--primary);
    color: #fff;
    padding: 56px 20px 46px;
    text-align: center;
}
.legal-header h1 { margin: 0 0 8px; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.legal-header p  { margin: 0; color: #cfdcea; }

.legal-body { max-width: 820px; margin-inline: auto; padding: 56px 20px 70px; }

.legal-article { margin-bottom: 34px; }
.legal-article h2 {
    font-size: 1.05rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: .4px;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 7px;
    margin: 0 0 12px;
}
.legal-article p { margin: 0; color: var(--text); }

.legal-updated {
    margin-top: 44px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
    font-size: .88rem;
    color: var(--text-muted);
}

/* Page 404 */
.notfound { text-align: center; padding: 100px 20px; }
.notfound h1 { font-size: 4rem; color: var(--primary); margin: 0; }
.notfound p  { color: var(--text-muted); font-size: 1.1rem; }

/* ---------------------------------------------------------------------
   Pied de page
   --------------------------------------------------------------------- */
.footer {
    background: var(--primary-dark);
    color: #94a3b8;
    font-size: .92rem;
    padding: 48px 0 22px;
    border-top: 1px solid #334155;
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 32px;
}
.footer strong { color: #e2e8f0; display: block; margin-bottom: 8px; }
.footer a { color: #7ab5f5; text-decoration: none; }
.footer a:hover { text-decoration: underline; }

.footer__bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #1e293b;
    font-size: .85rem;
}

/* ---------------------------------------------------------------------
   Adaptation mobile
   --------------------------------------------------------------------- */
@media (max-width: 860px) {
    .nav__toggle { display: block; }

    .nav__menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--primary-dark);
        border-bottom: 2px solid var(--accent);
        padding: 8px 20px 18px;
        display: none;
    }
    .nav__menu.is-open { display: flex; }

    .nav__menu li { border-top: 1px solid rgba(255, 255, 255, .08); }
    .nav__menu a { display: block; padding: 14px 0; border-bottom: none; }
    .nav__menu .nav__cta { text-align: center; margin-top: 12px; }

    .contact-grid { grid-template-columns: 1fr; gap: 28px; }
    .hero { padding: 62px 20px 56px; }
    section { padding: 52px 0; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* Impression d'une page publique (CGV envoyées à un client, par exemple) */
@media print {
    .nav, .footer, .hero__actions, .form-card { display: none; }
    body { font-size: 11pt; color: #000; }
    .legal-header { background: none; color: #000; padding: 0 0 20px; }
    .legal-header p { color: #444; }
    .legal-article { page-break-inside: avoid; }
}