/* ==========================================
   HEADER I NAVEGACIÓ
========================================== */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.90);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(135, 169, 107, 0.2);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-medium);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    gap: 1.5rem;
}

.nav-container > :first-child {
    margin-right: auto;
}

/* Logo */
.logo-svg {
    height: 80px;
    width: auto;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.logo-svg:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(52, 152, 219, 0.3));
}

/* Menú navegació */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--color-secundari);
    font-weight: 500;
    font-family: 'Comfortaa', sans-serif !important;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(135, 169, 107, 0.3), transparent);
    transition: var(--transition-smooth);
    z-index: -1;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.nav-link.highlight {
    background: linear-gradient(135deg, var(--color-tech), var(--color-accent));
    color: var(--color-white);
    font-weight: 600;
}

.nav-link.highlight:hover {
    background: linear-gradient(135deg, var(--color-principal), var(--color-tech));
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.nav-link.cta {
    background: var(--color-cta);
    color: var(--color-white);
    font-weight: 600;
}

.nav-link.cta:hover {
    background: var(--color-principal);
    box-shadow: var(--shadow-heavy);
}

/* Dropdown Menu */
.dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-white);
    min-width: 440px;
    border-radius: 20px;
    box-shadow: var(--shadow-heavy);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-15px);
    transition: var(--transition-smooth);
    padding: 1rem 0;
    border: 1px solid rgba(135, 169, 107, 0.2);
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--color-secundari);
    text-decoration: none;
    transition: var(--transition-smooth);
    gap: 1rem;
    border-bottom: 1px solid rgba(135, 169, 107, 0.1);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: var(--color-neutre);
    color: var(--color-principal);
    padding-left: 2rem;
}

.dropdown-item i {
    color: var(--color-accent);
    width: 20px;
    text-align: center;
}

.dropdown-item:hover i {
    color: var(--color-tech);
    transform: scale(1.2);
}

/* Botó Temperatura */
.temp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-tech), var(--color-accent));
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.temp-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-medium);
    background: linear-gradient(135deg, var(--color-accent), var(--color-principal));
    color: var(--color-white);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    position: relative;
    z-index: 1002;
}

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-principal);
    margin: 4px 0;
    transition: var(--transition-smooth);
    border-radius: 3px;
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
    background: var(--color-cta);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
    background: var(--color-cta);
}