/* ========== NAVBAR ========== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(7, 10, 7, 0.96), rgba(7, 10, 7, 0.75), transparent);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.nav.visible {
    transform: translateY(0);
    opacity: 1;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    max-width: var(--container-width);
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
}

.brand a {
    display: flex;
    align-items: center;
}

.brand-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
    transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
    cursor: pointer;
}

.brand-logo:hover {
    transform: scale(1.05) translateY(-2px);
    filter: drop-shadow(0 4px 12px rgba(134,183,106,0.4));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    position: relative;
    padding-bottom: 4px;
    transition: color 160ms ease-out;
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-green));
    transition: width 200ms ease-out;
}

.nav-links a:hover {
    color: var(--text-light);
}

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

.nav-cta {
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid rgba(134, 183, 106, 0.5);
    background: radial-gradient(circle at top, rgba(134,183,106,0.25), transparent);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-light);
    cursor: pointer;
    box-shadow: 0 12px 26px rgba(0,0,0,0.7), 0 0 20px rgba(134,183,106,0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(134,183,106,0.5), transparent);
    opacity: 0;
    transition: opacity 400ms ease-out;
}

.nav-cta::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 999px;
    background: rgba(134,183,106,0.3);
    transform: translate(-50%, -50%);
    transition: width 600ms ease-out, height 600ms ease-out;
}

.nav-cta:hover::after {
    width: 300px;
    height: 300px;
}

.nav-cta:hover::before {
    opacity: 1;
}

.nav-cta span.arrow {
    display: inline-block;
    transform: translateX(0) translateZ(0);
    transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-cta:hover {
    transform: translateY(-4px) translateZ(25px) scale(1.05);
    box-shadow: 0 20px 40px rgba(0,0,0,0.9), 0 0 50px rgba(134,183,106,0.7), inset 0 0 30px rgba(134,183,106,0.2);
    border-color: rgba(134,183,106,0.9);
}

.nav-cta:hover span.arrow {
    transform: translateX(8px) translateZ(10px);
    animation: arrowBounce 0.6s ease-in-out infinite;
}

/* Hamburger */
.nav-toggle {
    display: none;
    width: 38px;
    height: 32px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.16);
    background: radial-gradient(circle at top, rgba(255,255,255,0.04), rgba(0,0,0,0.7));
    cursor: pointer;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    transform-style: preserve-3d;
    box-shadow: 0 10px 24px rgba(0,0,0,0.85);
}

.nav-toggle-bar {
    position: relative;
    width: 100%;
    height: 2px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-green-soft));
    transition: transform 220ms ease-out, background 220ms ease-out;
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-green-soft));
    transition: transform 220ms ease-out, opacity 200ms ease-out;
}

.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after  { top:  6px; }

.nav.nav-open .nav-toggle-bar {
    background: transparent;
}

.nav.nav-open .nav-toggle-bar::before {
    transform: translateY(6px) rotate(45deg);
}

.nav.nav-open .nav-toggle-bar::after {
    transform: translateY(-6px) rotate(-45deg);
}

/* ========== MOBILE RESPONSIVE ========== */
@media (max-width: 720px) {
    .nav-inner {
        padding-inline: 16px;
    }
    
    .nav-links {
        position: fixed;
        inset: 60px 12px auto 12px;
        padding: 18px 18px 14px;
        border-radius: 22px;
        border: 1px solid rgba(255,255,255,0.08);
        background: radial-gradient(circle at top left, rgba(39,55,36,0.96), rgba(7,10,7,0.98));
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        transform-origin: 100% 0;
        transform: translate3d(40px, 0, -80px) rotateY(-22deg);
        opacity: 0;
        pointer-events: none;
        box-shadow: 0 24px 66px rgba(0,0,0,0.95);
        transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav.nav-open .nav-links {
        opacity: 1;
        pointer-events: auto;
        transform: translate3d(0,0,0) rotateY(0);
    }

    .nav-links a,
    .nav-cta {
        width: 100%;
    }

    .nav-cta {
        justify-content: center;
        text-decoration: underline;
        text-decoration-color: rgba(134,183,106,0.5);
        text-underline-offset: 4px;
        text-decoration-thickness: 2px;
    }

    .nav-toggle {
        display: inline-flex;
    }
    
    .brand-logo {
        height: 38px;
    }
}