/**
 * Vouchers Cloud — Styles globaux
 *
 * Variables CSS, reset, typographie, layout, composants communs.
 * Basé sur le BrandBook 2025 (Agence La Quincaillerie).
 */

/* =============================================================================
   Font faces — Outfit (corps) + Lexend Exa (titres principaux)
   ============================================================================= */
@font-face {
    font-family: 'Outfit';
    src: url('/assets/fonts/Outfit-Variable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Lexend Exa';
    src: url('/assets/fonts/Lexend-Variable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* =============================================================================
   CSS Variables (Design Tokens)
   ============================================================================= */
:root {
    /* Couleurs — BrandBook Vouchers Cloud */
    --color-bleu: #4635FF;
    --color-corail: #E78974;
    --color-noir: #000000;
    --color-blanc: #FFFFFF;
    --color-gris-clair: #F9F9F9;
    --color-gris-teinte: #EDFAEB;
    --color-anthracite: #212621;

    /* Alias sémantiques */
    --color-primary: var(--color-bleu);
    --color-secondary: var(--color-corail);
    --color-text: var(--color-noir);
    --color-bg: var(--color-blanc);

    /* Typographie */
    --font-family: 'Outfit', sans-serif;
    --font-family-accent: 'Lexend Exa', sans-serif;
    --font-size-small: 14px;
    --font-size-base: clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.125), 16px);
    --font-size-large: clamp(1.9rem, 1.9rem + ((1vw - 0.2rem) * 1.495), 44px);
    --font-size-xlarge: clamp(1.5rem, 1.5rem + ((1vw - 0.2rem) * 0.77), 31px);
    --font-size-massive: clamp(1.9rem, 1.9rem + ((1vw - 0.2rem) * 2.704), 55px);

    /* Espacements */
    --space-xs: 0.44rem;
    --space-sm: 0.67rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.25rem;
    --space-2xl: 3.38rem;
    --space-3xl: 5.06rem;

    /* Ombres */
    --shadow-natural: 6px 6px 9px rgba(0, 0, 0, 0.2);
    --shadow-light: 0 4px 11px 2px rgba(0, 0, 0, 0.1);

    /* Layout */
    --container-width: 1230px;
    --container-narrow: 860px;

    /* Boutons */
    --btn-radius: 0px;
    --btn-font-size: clamp(12px, 0.75rem + ((1vw - 3.2px) * 0.208), 14px);
    --btn-padding: 12px 20px;
    --btn-font-weight: 600;
}

/* =============================================================================
   Background color utilities
   ============================================================================= */
.bg-white       { background-color: var(--color-blanc); }
.bg-beige       { background-color: var(--color-gris-clair); }
.bg-gris-clair  { background-color: var(--color-gris-clair); }
.bg-gris-teinte { background-color: var(--color-gris-teinte); }
.bg-bleu        { background-color: var(--color-bleu); }
.bg-corail      { background-color: var(--color-corail); }
.bg-anthracite  { background-color: var(--color-anthracite); }
.bg-noir        { background-color: var(--color-noir); }

/* Texte clair automatique sur fonds sombres */
.bg-bleu, .bg-anthracite, .bg-noir {
    color: var(--color-blanc);
}
.bg-bleu h1, .bg-bleu h2, .bg-bleu h3, .bg-bleu h4,
.bg-anthracite h1, .bg-anthracite h2, .bg-anthracite h3, .bg-anthracite h4,
.bg-noir h1, .bg-noir h2, .bg-noir h3, .bg-noir h4 {
    color: var(--color-blanc);
}
.bg-bleu a, .bg-anthracite a, .bg-noir a {
    color: var(--color-blanc);
}

/* =============================================================================
   Reset
   ============================================================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* =============================================================================
   Typography
   ============================================================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    line-height: 1.1;
    font-weight: 700;
}

h1 { font-size: var(--font-size-large); }
h2 { font-size: var(--font-size-xlarge); }
h3 { font-size: clamp(20px, 1.25rem + 0.5vw, 26px); }
h4 { font-size: clamp(18px, 1.125rem + 0.3vw, 22px); }

p + p { margin-top: var(--space-md); }

/* =============================================================================
   Layout
   ============================================================================= */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

main {
    min-height: 50vh;
}

/* =============================================================================
   Buttons
   ============================================================================= */
.btn {
    display: inline-block;
    padding: var(--btn-padding);
    border-radius: var(--btn-radius);
    font-size: var(--btn-font-size);
    font-weight: var(--btn-font-weight);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    border: 2px solid transparent;
}

.btn--primary {
    background: var(--color-bleu);
    color: var(--color-blanc);
    border-color: var(--color-bleu);
}
.btn--primary:hover {
    background: #3628cc;
    border-color: #3628cc;
}

.btn--secondary {
    background: var(--color-corail);
    color: var(--color-blanc);
    border-color: var(--color-corail);
}
.btn--secondary:hover {
    background: #d4725e;
    border-color: #d4725e;
}

.btn--outline-bleu {
    background: transparent;
    color: var(--color-bleu);
    border-color: var(--color-bleu);
}
.btn--outline-bleu:hover {
    background: var(--color-bleu);
    color: var(--color-blanc);
}

.btn--outline-white {
    background: transparent;
    color: var(--color-blanc);
    border-color: var(--color-blanc);
}
.btn--outline-white:hover {
    background: var(--color-blanc);
    color: var(--color-bleu);
}

.btn--sm {
    padding: 6px 12px;
    font-size: var(--font-size-small);
}

/* Legacy aliases for starter kit compatibility */
.btn--outline-green {
    background: transparent;
    color: var(--color-bleu);
    border-color: var(--color-bleu);
}
.btn--outline-green:hover {
    background: var(--color-bleu);
    color: var(--color-blanc);
}

/* =============================================================================
   Header
   ============================================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bleu);
    color: var(--color-blanc);
    transition: background-color 0.3s;
}

/* Transparent header — le header se superpose au hero */
.has-transparent-header .site-header {
    position: absolute;
    left: 0;
    right: 0;
    background: transparent;
}

.has-transparent-header .site-header.is-scrolled {
    position: fixed;
    background: var(--color-bleu);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0.75rem var(--space-lg);
    gap: var(--space-lg);
}

.header-logo img {
    width: 180px;
    height: auto;
}

/* Main navigation */
.main-nav { flex: 1; }

.nav-list {
    display: flex;
    gap: var(--space-xs);
    justify-content: center;
}

.nav-item { position: relative; }

.nav-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-blanc);
    font-size: 15px;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
}

.nav-item.has-submenu .nav-link::after {
    display: none;
}

/* =============================================================================
   Minimenu — full-width banner dropdowns
   ============================================================================= */
.nav-item.has-minimenu { position: static; }

.minimenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-blanc);
    color: var(--color-anthracite);
    box-shadow: 0 8px 30px rgba(0, 0, 0, .12);
    z-index: 110;
}
.minimenu.is-open { display: block; }

.minimenu__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    max-width: 1060px;
    margin: 0 auto;
    padding: var(--space-xl);
}

/* Ressources — 2 items → 2 columns centered */
#minimenu-ressources .minimenu__grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 640px;
}

/* Keyboard accessibility */
.nav-item.has-minimenu:focus-within .minimenu { display: block; }

/* =============================================================================
   Megamenu — Solutions/Enjeux dropdown
   ============================================================================= */
.nav-item.has-megamenu {
    position: static;
}

.megamenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-blanc);
    color: var(--color-anthracite);
    box-shadow: 0 8px 30px rgba(0, 0, 0, .12);
    border-top: 2px solid var(--color-bleu);
    z-index: 110;
}

.megamenu.is-open {
    display: block;
}

.megamenu__inner {
    display: flex;
    max-width: 1060px;
    margin: 0 auto;
    min-height: 280px;
}

/* Left column — category list */
.megamenu__categories {
    width: 280px;
    flex-shrink: 0;
    border-right: 1px solid #eee;
    padding: var(--space-lg) 0;
}

.megamenu__cat {
    position: relative;
}

.megamenu__cat a {
    display: block;
    padding: 0.875rem var(--space-xl);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-anthracite);
    transition: color 0.15s, background 0.15s;
}

.megamenu__cat:hover a,
.megamenu__cat.is-active a {
    color: var(--color-bleu);
}

.megamenu__cat.is-active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--color-bleu);
    border-radius: 0 3px 3px 0;
}

.megamenu__section-title {
    padding: 0.5rem var(--space-xl) 0.25rem;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #999;
    pointer-events: none;
}
.megamenu__section-title:not(:first-child) {
    margin-top: 0.5rem;
    border-top: 1px solid #eee;
    padding-top: 0.75rem;
}

/* Right column — card panels */
.megamenu__panels {
    flex: 1;
    padding: var(--space-xl);
    position: relative;
}

.megamenu__panel {
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    align-content: start;
}

.megamenu__panel.is-active {
    display: grid;
}

/* Card */
.megamenu-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: 10px;
    transition: background 0.15s;
    text-decoration: none;
    color: inherit;
}

.megamenu-card:hover {
    background: var(--color-gris-clair);
}

.megamenu-card__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
}

.megamenu-card__text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.megamenu-card__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-anthracite);
    line-height: 1.3;
}

.megamenu-card__desc {
    font-size: 12px;
    line-height: 1.5;
    color: #777;
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.lang-switch {
    font-size: 13px;
    font-weight: 700;
    opacity: 0.8;
    padding: 4px 8px;
}
.lang-switch:hover { opacity: 1; }

.header-cta {
    font-size: 13px;
}

/* Burger menu (mobile) */
.burger-menu {
    display: none;
    width: 28px;
    height: 20px;
    position: relative;
}
.burger-menu span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-blanc);
    position: absolute;
    left: 0;
    transition: transform 0.3s, opacity 0.3s;
}
.burger-menu span:nth-child(1) { top: 0; }
.burger-menu span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.burger-menu span:nth-child(3) { bottom: 0; }

.burger-menu[aria-expanded="true"] span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.burger-menu[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger-menu[aria-expanded="true"] span:nth-child(3) { top: 50%; bottom: auto; transform: translateY(-50%) rotate(-45deg); }

/* =============================================================================
   Footer
   ============================================================================= */
.footer-main {
    padding: var(--space-2xl) 0;
}
.footer-main__top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-2xl);
}

.footer-brand img { width: 200px; height: auto; margin-bottom: var(--space-md); }
.footer-social {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}
.footer-social a {
    color: var(--color-anthracite);
    transition: color 0.2s;
}
.footer-social a:hover { color: var(--color-bleu); }
.footer-tagline {
    font-size: var(--font-size-small);
    color: #666;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}
.footer-nav h3 {
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: var(--space-sm);
    color: var(--color-bleu);
}
.footer-nav a {
    display: block;
    font-size: var(--font-size-small);
    padding: 0.25rem 0;
    color: #555;
    transition: color 0.2s;
}
.footer-nav a:hover { color: var(--color-bleu); }

.footer-legal {
    background: var(--color-bleu);
    color: var(--color-blanc);
    padding: var(--space-sm) 0;
    font-size: 11px;
}
.footer-legal .container {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}
.footer-legal a, .footer-legal button {
    color: rgba(255,255,255,0.7);
    font-size: 11px;
    transition: color 0.2s;
}
.footer-legal a:hover, .footer-legal button:hover { color: var(--color-blanc); }

/* =============================================================================
   Blocks — Common
   ============================================================================= */
.block {
    padding: var(--space-3xl) 0;
}

/* =============================================================================
   Breadcrumb
   ============================================================================= */
.breadcrumb {
    padding: var(--space-md) 0;
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
}
.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    list-style: none;
    font-size: var(--font-size-small);
}
.breadcrumb li:not(:last-child)::after {
    content: '>';
    margin-left: 0.25rem;
    color: #999;
}
.breadcrumb a { color: var(--color-bleu); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span[aria-current] { color: #666; }

/* =============================================================================
   Preview banner
   ============================================================================= */
.preview-banner {
    background: #fef3c7;
    color: #92400e;
    text-align: center;
    padding: 0.5rem;
    font-size: 14px;
    font-weight: 600;
}

/* =============================================================================
   Responsive
   ============================================================================= */
@media (max-width: 1024px) {
    .footer-main__top {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .burger-menu { display: block; }
    .header-cta { display: none; }

    /* Mobile nav open */
    body.nav-open .header-logo,
    body.nav-open .header-actions {
        position: relative;
        z-index: 103;
    }
    body.nav-open .main-nav {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bleu);
        padding: 70px var(--space-lg) var(--space-lg);
        overflow-y: auto;
        z-index: 101;
    }
    body.nav-open .nav-list {
        flex-direction: column;
        gap: 0;
    }
    body.nav-open .megamenu {
        position: static;
        box-shadow: none;
        background: rgba(255,255,255,0.1);
        border-radius: 0;
    }

    /* Minimenu mobile */
    body.nav-open .minimenu {
        position: static;
        box-shadow: none;
        background: rgba(255,255,255,0.1);
        border-radius: 0;
        padding: var(--space-md);
        width: 100%;
        display: none;
    }
    body.nav-open .has-minimenu > .nav-link[aria-expanded="true"] + .minimenu {
        display: block;
    }
    body.nav-open .minimenu__grid {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
    }
    body.nav-open .minimenu .megamenu-card { padding: var(--space-sm) 0; }
    body.nav-open .minimenu .megamenu-card__icon { display: none; }
    body.nav-open .minimenu .megamenu-card__title { color: var(--color-blanc); }
    body.nav-open .minimenu .megamenu-card__desc { color: rgba(255,255,255,0.7); }
    body.nav-open .minimenu .megamenu-card:hover { background: rgba(255,255,255,0.1); }

    /* Megamenu mobile — vertical layout */
    body.nav-open .megamenu {
        display: none;
    }
    body.nav-open .has-megamenu > .nav-link[aria-expanded="true"] + .megamenu {
        display: block;
    }
    body.nav-open .megamenu__inner {
        flex-direction: column;
        min-height: auto;
    }
    body.nav-open .megamenu__categories {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.15);
        padding: var(--space-sm) 0;
    }
    body.nav-open .megamenu__cat a {
        color: var(--color-blanc);
        padding: 0.5rem 2rem;
        font-size: 14px;
    }
    body.nav-open .megamenu__cat.is-active a { color: var(--color-blanc); opacity: 1; }
    body.nav-open .megamenu__cat:not(.is-active) a { opacity: 0.7; }
    body.nav-open .megamenu__cat.is-active::before { background: var(--color-blanc); }
    body.nav-open .megamenu__section-title {
        color: rgba(255,255,255,0.5);
        padding: 0.25rem 2rem;
        font-size: 10px;
    }
    body.nav-open .megamenu__panels { padding: var(--space-md); }
    body.nav-open .megamenu__panel.is-active { display: flex; flex-direction: column; gap: var(--space-sm); }
    body.nav-open .megamenu-card { padding: var(--space-sm) 0; }
    body.nav-open .megamenu-card__icon { display: none; }
    body.nav-open .megamenu-card__title { color: var(--color-blanc); }
    body.nav-open .megamenu-card__desc { color: rgba(255,255,255,0.7); }
    body.nav-open .megamenu-card:hover { background: rgba(255,255,255,0.1); }

    .footer-nav {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}