/* ========================================
   Header Radis
   Based on HTML reference: html/index.html
   Variables: ucoopia-variables.css
   ======================================== */

/* ========================================
   Header Structure
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.header.scrolled {
    background: var(--white);
    border-bottom-color: rgba(60, 22, 62, 0.08);
    box-shadow: 0 2px 20px rgba(60, 22, 62, 0.1);
}

.header-inner {
    max-width: var(--wide-width, 1500px);
    margin: 0 auto;
    padding: 0 var(--section-padding, 3rem);
    height: var(--header-height, 80px);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ========================================
   Logo
   ======================================== */
.header-logo img {
    height: 50px;
    filter: brightness(0) invert(1);
    transform: scale(2.5);
    transform-origin: top left;
    transition: filter var(--transition-normal), transform var(--transition-normal);
}

/* Logo dark (aubergine) — for pages with light hero backgrounds */
.header--logo-dark .header-logo img {
    filter: none;
}

.header.scrolled .header-logo img {
    filter: none;
    transform: scale(1);
}

/* Nav dark — aubergine text for light hero backgrounds */
.header--nav-dark .header-nav > a,
.header--nav-dark .nav-dropdown > .nav-dropdown-trigger {
    color: var(--aubergine);
}

.header--nav-dark .header-nav > a:hover,
.header--nav-dark .nav-dropdown:hover > .nav-dropdown-trigger {
    color: var(--gold);
}

.header--nav-dark .header-nav > a::after {
    background: var(--gold);
}

.header--nav-dark .burger span {
    background: var(--aubergine);
}

/* After scroll, always revert to standard dark nav */
.header.scrolled.header--nav-dark .header-nav > a,
.header.scrolled.header--nav-dark .nav-dropdown > .nav-dropdown-trigger {
    color: var(--text);
}

/* ========================================
   Burger Menu (Mobile)
   ======================================== */
.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 201;
    padding: 0;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    margin: 0 auto;
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.burger span:nth-child(1) {
    margin-bottom: 6px;
}

.burger span:nth-child(3) {
    margin-top: 6px;
}

.header.scrolled .burger span {
    background: var(--aubergine);
}

/* Burger animation when active */
.burger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ========================================
   Mobile Overlay
   ======================================== */
.mobile-overlay {
    display: none;
}

/* ========================================
   Navigation
   ======================================== */
.header-nav {
    display: flex;
    gap: var(--space-lg, 2rem);
    align-items: center;
}

.header-nav > a,
.nav-dropdown > .nav-dropdown-trigger {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-normal);
    position: relative;
    cursor: pointer;
}

.header-nav > a:hover,
.nav-dropdown:hover > .nav-dropdown-trigger {
    color: var(--white);
}

/* Scrolled state - dark text */
.header.scrolled .header-nav > a,
.header.scrolled .nav-dropdown > .nav-dropdown-trigger {
    color: var(--text);
}

.header.scrolled .header-nav > a:hover,
.header.scrolled .nav-dropdown:hover > .nav-dropdown-trigger {
    color: var(--aubergine);
}

/* Gold underline on hover */
.header-nav > a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width var(--transition-normal);
}

.header-nav > a:hover::after {
    width: 100%;
}

/* ========================================
   Dropdown Menu
   ======================================== */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.nav-dropdown-trigger svg {
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-trigger svg {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--white);
    border-radius: var(--radius-small, 12px);
    box-shadow: 0 8px 30px rgba(60, 22, 62, 0.12);
    border: 1px solid rgba(60, 22, 62, 0.06);
    padding: 0.5rem;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
    z-index: 110;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-dropdown-menu a:hover {
    background: var(--cream);
    color: var(--aubergine);
}

.nav-dropdown-menu a.active {
    background: var(--cream);
    color: var(--aubergine);
    font-weight: 700;
}

.nav-dropdown-menu a svg {
    flex-shrink: 0;
    color: var(--text-light);
}

.nav-dropdown-menu a:hover svg,
.nav-dropdown-menu a.active svg {
    color: var(--aubergine);
}

/* ========================================
   Bouton Organique CTA (Nous rejoindre)
   ======================================== */
.btn-organic {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition-normal), filter var(--transition-normal);
    border: none;
    background: none;
    padding: 0;
    width: auto;
    height: auto;
    text-decoration: none;
}

.btn-organic:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
}

.btn-organic svg.organic-shape {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.btn-organic .btn-organic-label {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-accent, "smoothy", sans-serif);
    font-size: 1.15rem;
    font-weight: 400;
    font-style: italic;
    color: var(--white);
    text-transform: uppercase;
    padding: 0.6rem 1.6rem;
    pointer-events: none;
}

/* Color variants */
.btn-organic svg.organic-shape path {
    transition: fill 0.35s ease;
}

.btn-organic.color-gold .btn-organic-label {
    color: var(--aubergine-dark);
}

/* Hover gold -> orange */
.btn-organic.color-gold:hover svg.organic-shape path {
    fill: var(--orange);
}

/* Small variant */
.btn-organic.sm .btn-organic-label {
    padding: 0.5rem 1rem;
    font-size: 1rem;
}

/* Nav-specific organic button */
.btn-nav-organic {
    font-family: var(--font-accent, "smoothy", sans-serif);
    font-style: italic;
}

.btn-nav-organic::after {
    display: none;
}

/* Scrolled state for nav CTA */
.header.scrolled .btn-nav-organic svg.organic-shape path {
    fill: var(--aubergine);
}

.header.scrolled .btn-nav-organic .btn-organic-label {
    color: var(--white);
}

/* ========================================
   Responsive - Tablet
   ======================================== */
@media (max-width: 900px) {
    .burger {
        display: block;
    }

    .header-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--aubergine);
        flex-direction: column;
        align-items: flex-start;
        padding: 6rem 2rem 2rem;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 200;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
    }

    .header-nav.open {
        transform: translateX(0);
    }

    .header-nav > a,
    .nav-dropdown > .nav-dropdown-trigger {
        color: rgba(255, 255, 255, 0.85) !important;
        font-size: 1.1rem;
        padding: 0.75rem 0;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .header-nav > a:hover,
    .nav-dropdown:hover > .nav-dropdown-trigger {
        color: var(--white) !important;
    }

    /* Gold underline hidden on mobile */
    .header-nav > a::after {
        display: none;
    }

    /* Dropdown always visible on mobile */
    .nav-dropdown-menu {
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        background: transparent !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 0 0 1rem !important;
        min-width: auto;
    }

    .nav-dropdown-menu a {
        color: rgba(255, 255, 255, 0.7) !important;
        padding: 0.5rem 0 !important;
    }

    .nav-dropdown-menu a:hover {
        color: var(--white) !important;
        background: transparent !important;
    }

    .btn-nav-organic {
        margin-top: 1rem;
    }

    /* Mobile overlay */
    .mobile-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        z-index: 199;
    }

    .mobile-overlay.active {
        display: block;
    }
}

/* ========================================
   Responsive - Small Mobile
   ======================================== */
@media (max-width: 600px) {
    .header-inner {
        padding: 0 1.5rem;
    }
}