/* ======================================== */
/* HEADER / NAVIGATION */
/* ======================================== */

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem; /* Leaves space between the image and any future text */
}

/* Constrain the logo image size so it doesn't overflow */
.logo img {
    height: 45px;       /* Forces a consistent navbar height */
    width: auto;         /* Maintains natural aspect ratio without distortion */
    object-fit: contain; /* Ensures the image fits cleanly inside its bounds */
}

/*
.logo .highlight {
    color: var(--irie-green);
}*/

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    color: var(--irie-text);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--irie-green), var(--irie-yellow));
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--irie-green);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--irie-black);
    border-radius: 5px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* ================================== */
/* mobile responsiveness */ 

@media (max-width: 1024px) {
.nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-md);
        transform: translateX(-100%);
        transition: var(--transition);
        opacity: 0;
    }
.hamburger {
        display: flex;
    }

.nav-links.active {
        transform: translateX(0);
        opacity: 1;
    }

.nav-actions .btn-primary {
        display: flex;
    }
}

@media (max-width: 768px) {
.nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-md);
        transform: translateX(-100%);
        transition: var(--transition);
        opacity: 0;
    }

.nav-links.active {
        transform: translateX(0);
        opacity: 1;
    }

.hamburger {
        display: flex;
    }

.nav-actions .btn-primary {
        display: flex;
    }
}

@media (max-width: 380px) {
    .nav-actions .btn-primary {
        display: flex;
        white-space: nowrap;
  margin-left: 2rem;
    }
}