/* ==========================================
   nav.css — Navigation Bar
   ========================================== */

   nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 48px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-border);
    box-shadow: none;
    transition: box-shadow 0.3s;
}

nav.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.nav-logo {
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav-logo span {
    color: var(--green-accent);
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    opacity: 0.7;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 1;
}

.nav-cta-btn {
    font-family: 'DM Sans', sans-serif;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: var(--dark);
    background: var(--mint);
    padding: 10px 24px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.nav-cta-btn:hover {
    background: var(--green-accent);
    color: var(--white);
}

/* ====== HAMBURGER (hidden on desktop) ====== */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-direction: column;
    gap: 5px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

/* Animate to X when open */
nav.nav-open .nav-hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

nav.nav-open .nav-hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}