/* ==============================================
   HEADER.CSS - Header e Navigation
   Botanica Veneta - Tuttifiori
   ============================================== */

/* ==============================================
   1. HEADER BASE
   ============================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--crema);
    backdrop-filter: blur(10px);
    background: rgba(255, 254, 249, 0.92);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

/* Linea decorativa sotto header */
.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    height: 0.5px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--perla) 20%, 
        var(--perla) 80%, 
        transparent
    );
}

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

/* ==============================================
   2. LOGO
   ============================================== */

.logo-wrapper {
    height: 60px;
    display: flex;
    align-items: center;
}

.logo-wrapper img {
    height: 100%;
    width: auto;
    transition: var(--transition);
}

.logo-wrapper:hover img {
    transform: scale(1.02);
}

/* ==============================================
   3. NAVIGATION DESKTOP
   ============================================== */

.nav {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--text-quiet);
    position: relative;
    padding: var(--space-sm) 0;
    letter-spacing: 0.01em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--oro-caldo);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--verde-botanico);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    color: var(--verde-botanico);
}

.nav-link.active::after {
    width: 100%;
    background: var(--verde-botanico);
}

/* ==============================================
   4. MOBILE MENU TOGGLE
   ============================================== */

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--verde-botanico);
    transition: var(--transition);
}

/* Animazione hamburger → X */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==============================================
   5. MOBILE NAVIGATION OVERLAY - VERSIONE ELEGANTE
   ============================================== */

.nav-mobile {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--crema);
    z-index: 999;
    padding: 0; /* Rimosso padding generale */
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    height: calc(100vh - 80px);
}

.nav-mobile.active {
    transform: translateX(0);
    box-shadow: 2px 0 20px rgba(45, 74, 59, 0.1);
}

/* Container interno per padding consistente */
.nav-mobile-inner {
    padding: var(--space-xl) var(--space-lg);
}

/* Link nel menu mobile */
.nav-mobile .nav-link {
    display: block;
    padding: var(--space-lg) var(--space-lg);
    margin: 0 var(--space-md);
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 0.02em;
    color: var(--text-dark);
    border-bottom: 0.5px solid var(--perla);
    position: relative;
    transition: all 0.3s ease;
}

/* Primo link senza margine top */
.nav-mobile .nav-link:first-child {
    margin-top: var(--space-md);
}

/* Ultimo link con border diverso */
.nav-mobile .nav-link:last-child {
    border-bottom: none;
}

/* Effetto hover/active più elegante */
.nav-mobile .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--oro-caldo);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-mobile .nav-link:active,
.nav-mobile .nav-link:focus {
    background: var(--sabbia-chiara);
    padding-left: calc(var(--space-lg) + 8px);
}

.nav-mobile .nav-link:active::before {
    transform: scaleY(1);
}

/* Link attivo nella pagina corrente */
.nav-mobile .nav-link.active {
    color: var(--verde-botanico);
    font-weight: 400;
}

.nav-mobile .nav-link.active::after {
    content: '•';
    position: absolute;
    right: var(--space-lg);
    color: var(--oro-caldo);
    font-size: 24px;
    line-height: 1;
    top: 50%;
    transform: translateY(-50%);
}

/* Animazione staggered per i link */
.nav-mobile.active .nav-link {
    animation: slideInFromLeft 0.4s ease forwards;
    opacity: 0;
}

.nav-mobile.active .nav-link:nth-child(1) { animation-delay: 0.1s; }
.nav-mobile.active .nav-link:nth-child(2) { animation-delay: 0.15s; }
.nav-mobile.active .nav-link:nth-child(3) { animation-delay: 0.2s; }
.nav-mobile.active .nav-link:nth-child(4) { animation-delay: 0.25s; }
.nav-mobile.active .nav-link:nth-child(5) { animation-delay: 0.3s; }

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Decorazione sottile in alto */
.nav-mobile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--oro-caldo) 50%, 
        transparent
    );
}

/* Ottimizzazione touch */
@media (pointer: coarse) {
    .nav-mobile .nav-link {
        min-height: 56px; /* Area touch più grande */
        display: flex;
        align-items: center;
    }
}