/* =========================================================
   20'EXPRESS - Feuille de style
   Palette : vert (couleur principale) + bleu marine (neutre fonce)
   ========================================================= */

:root {
    --c-navy: #1C2230;
    --c-navy-light: #2A3245;
    --c-primary: #1E9E5A;
    --c-primary-dark: #167644;
    --c-primary-light: #E7F6EE;
    --c-cream: #F7F7F5;
    --c-gray: #6C7280;
    --header-height: 76px;
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #2b2f38;
    padding-top: var(--header-height);
}

a {
    color: var(--c-primary);
}
a:hover {
    color: var(--c-primary-dark);
}

.skip-link {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--c-navy);
    color: #fff;
    padding: .5rem 1rem;
    z-index: 2000;
}

/* --- Boutons --- */
.btn-accent {
    background-color: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}
.btn-accent:hover, .btn-accent:focus {
    background-color: var(--c-primary-dark);
    border-color: var(--c-primary-dark);
    color: #fff;
}
.btn-outline-accent {
    color: var(--c-primary);
    border-color: var(--c-primary);
}
.btn-outline-accent:hover {
    background-color: var(--c-primary);
    color: #fff;
}
.btn-navy {
    background-color: var(--c-navy);
    border-color: var(--c-navy);
    color: #fff;
}
.btn-navy:hover {
    background-color: var(--c-navy-light);
    border-color: var(--c-navy-light);
    color: #fff;
}

/* --- Header --- */
.site-header {
    height: var(--header-height);
}
.main-nav {
    background-color: #fff;
    box-shadow: 0 .25rem .75rem rgba(28, 34, 48, .08);
    min-height: var(--header-height);
    display: flex;
    align-items: center;
}
.main-nav .nav-link {
    color: var(--c-navy);
    font-weight: 500;
}
.main-nav .nav-link:hover,
.main-nav .nav-link.active {
    color: var(--c-primary);
}
.main-nav .nav-link.active {
    border-bottom: 2px solid var(--c-primary);
}

/* --- Hero --- */
.hero {
    position: relative;
    color: #fff;
    min-height: 560px;
    display: flex;
    align-items: center;
    background: linear-gradient(120deg, rgba(12,28,20,.92) 0%, rgba(12,28,20,.75) 45%, rgba(12,28,20,.35) 100%),
                url('../img/hero-courier.jpg') center right / cover no-repeat;
}
.hero h1 {
    font-weight: 800;
    font-size: clamp(2rem, 5vw, 3.2rem);
}
.hero .lead {
    font-size: 1.25rem;
    color: #e7e9ee;
}

/* --- Sections generales --- */
section {
    scroll-margin-top: calc(var(--header-height) + 20px);
}
.section-light {
    background-color: var(--c-cream);
}
.section-navy {
    background-color: var(--c-navy);
    color: #fff;
}
.section-title {
    font-weight: 800;
    color: var(--c-navy);
}
.section-navy .section-title {
    color: #fff;
}
.section-eyebrow {
    color: var(--c-primary);
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 700;
    font-size: .85rem;
}

/* --- Cartes de services --- */
.service-card {
    border: none;
    border-radius: .75rem;
    box-shadow: 0 .25rem 1rem rgba(28, 34, 48, .08);
    height: 100%;
    transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 .75rem 1.5rem rgba(28, 34, 48, .12);
}
.service-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    box-shadow: 0 .5rem 1.25rem rgba(30, 158, 90, .35);
}

/* --- Engagements --- */
.engagement-item i {
    color: var(--c-primary);
    font-size: 1.5rem;
}

/* --- Chiffres cles --- */
.stat-item .stat-icon {
    font-size: 2rem;
    color: var(--c-primary);
}
.stat-item h3 {
    font-weight: 800;
    color: var(--c-navy);
}
.section-navy .stat-item h3 {
    color: #fff;
}

/* --- FAQ --- */
.accordion-button:not(.collapsed) {
    background-color: var(--c-primary-light);
    color: var(--c-primary-dark);
}
.accordion-button:focus {
    box-shadow: 0 0 0 .2rem rgba(30, 158, 90, .2);
}

/* --- Formulaires --- */
.form-card {
    border-radius: 1rem;
    box-shadow: 0 1rem 2rem rgba(28, 34, 48, .12);
}
.form-label {
    font-weight: 600;
    color: var(--c-navy);
}
.form-control:focus, .form-select:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 .2rem rgba(30, 158, 90, .15);
}

/* --- Footer --- */
.site-footer {
    background-color: var(--c-navy);
    color: #c7cbd4;
}
.site-footer a {
    color: #c7cbd4;
    text-decoration: none;
}
.site-footer a:hover {
    color: #fff;
}
.footer-title {
    color: #fff;
    font-weight: 700;
    margin-bottom: 1rem;
}
.footer-links li {
    margin-bottom: .5rem;
}
.logo-footer {
    filter: brightness(0) invert(1);
}

/* --- Bouton retour en haut --- */
.btn-back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    box-shadow: 0 .25rem .75rem rgba(0,0,0,.25);
}
.btn-back-to-top.show {
    display: flex;
}

/* --- Bandeau cookies --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--c-navy);
    color: #fff;
    z-index: 1080;
    box-shadow: 0 -.25rem 1rem rgba(0,0,0,.2);
}

/* --- Pages legales --- */
.legal-content h2 {
    color: var(--c-navy);
    font-weight: 700;
    margin-top: 2rem;
}
.legal-content h2:first-child {
    margin-top: 0;
}

/* --- Alerte de confirmation formulaire --- */
.alert-form-feedback {
    scroll-margin-top: calc(var(--header-height) + 40px);
}

/* --- Images de section --- */
.img-rounded {
    border-radius: 1rem;
    box-shadow: 0 1rem 2rem rgba(28, 34, 48, .12);
}